From 2d3cc15cd474e07bfaf6fb26dad199ae07dea8c6 Mon Sep 17 00:00:00 2001
From: Nicholas Hastings <nshastings@gmail.com>
Date: Mon, 1 Sep 2014 11:12:42 -0400
Subject: [PATCH] Update protobuf source from v2.3.0 to 2.5.0.

---
 .../protobuf/compiler/java/java_enum_field.cc |  373 --
 .../compiler/java/java_message_field.cc       |  335 --
 .../compiler/java/java_primitive_field.cc     |  465 ---
 .../src/google/protobuf/compiler/parser.cc    | 1130 ------
 .../google/protobuf/testdata/golden_message   |  Bin 487 -> 0 bytes
 .../src/Makefile.am                           |  115 +-
 .../src/Makefile.in                           | 1360 ++++---
 .../protobuf/compiler/code_generator.cc       |   11 +-
 .../google/protobuf/compiler/code_generator.h |   24 +-
 .../compiler/command_line_interface.cc        |  326 +-
 .../compiler/command_line_interface.h         |   53 +-
 .../command_line_interface_unittest.cc        |  195 +-
 .../compiler/cpp/cpp_bootstrap_unittest.cc    |   32 +-
 .../google/protobuf/compiler/cpp/cpp_enum.cc  |    8 +-
 .../google/protobuf/compiler/cpp/cpp_enum.h   |    6 +-
 .../protobuf/compiler/cpp/cpp_enum_field.cc   |   25 +-
 .../protobuf/compiler/cpp/cpp_enum_field.h    |    6 +-
 .../protobuf/compiler/cpp/cpp_extension.cc    |    8 +-
 .../protobuf/compiler/cpp/cpp_extension.h     |    7 +-
 .../google/protobuf/compiler/cpp/cpp_field.cc |   31 +-
 .../google/protobuf/compiler/cpp/cpp_field.h  |   16 +-
 .../google/protobuf/compiler/cpp/cpp_file.cc  |  102 +-
 .../google/protobuf/compiler/cpp/cpp_file.h   |    5 +-
 .../protobuf/compiler/cpp/cpp_generator.cc    |   14 +-
 .../protobuf/compiler/cpp/cpp_generator.h     |    2 +-
 .../protobuf/compiler/cpp/cpp_helpers.cc      |  101 +-
 .../protobuf/compiler/cpp/cpp_helpers.h       |   40 +-
 .../protobuf/compiler/cpp/cpp_message.cc      |  416 +-
 .../protobuf/compiler/cpp/cpp_message.h       |    5 +-
 .../compiler/cpp/cpp_message_field.cc         |   50 +-
 .../protobuf/compiler/cpp/cpp_message_field.h |    6 +-
 .../protobuf/compiler/cpp/cpp_options.h}      |   43 +-
 .../compiler/cpp/cpp_plugin_unittest.cc       |   22 +-
 .../compiler/cpp/cpp_primitive_field.cc       |   21 +-
 .../compiler/cpp/cpp_primitive_field.h        |    6 +-
 .../protobuf/compiler/cpp/cpp_service.cc      |    6 +-
 .../protobuf/compiler/cpp/cpp_service.h       |    3 +-
 .../protobuf/compiler/cpp/cpp_string_field.cc |  115 +-
 .../protobuf/compiler/cpp/cpp_string_field.h  |    8 +-
 .../cpp/cpp_test_bad_identifiers.proto        |   14 +
 .../protobuf/compiler/cpp/cpp_unittest.cc     |  156 +-
 .../protobuf/compiler/cpp/cpp_unittest.h      |   51 +
 .../src/google/protobuf/compiler/importer.cc  |    7 +-
 .../src/google/protobuf/compiler/importer.h   |    5 +-
 .../protobuf/compiler/importer_unittest.cc    |    0
 .../compiler/java/java_doc_comment.cc         |  236 ++
 .../protobuf/compiler/java/java_doc_comment.h |   69 +
 .../java/java_doc_comment_unittest.cc         |   66 +
 .../protobuf/compiler/java/java_enum.cc       |   79 +-
 .../google/protobuf/compiler/java/java_enum.h |    2 +
 .../protobuf/compiler/java/java_enum_field.cc |  603 +++
 .../protobuf/compiler/java/java_enum_field.h  |   26 +-
 .../protobuf/compiler/java/java_extension.cc  |  183 +-
 .../protobuf/compiler/java/java_extension.h   |    2 +-
 .../protobuf/compiler/java/java_field.cc      |   45 +-
 .../protobuf/compiler/java/java_field.h       |   13 +-
 .../protobuf/compiler/java/java_file.cc       |  150 +-
 .../google/protobuf/compiler/java/java_file.h |    6 +-
 .../protobuf/compiler/java/java_generator.cc  |   28 +-
 .../protobuf/compiler/java/java_generator.h   |    2 +-
 .../protobuf/compiler/java/java_helpers.cc    |  171 +-
 .../protobuf/compiler/java/java_helpers.h     |   79 +-
 .../protobuf/compiler/java/java_message.cc    |  901 +++--
 .../protobuf/compiler/java/java_message.h     |   16 +-
 .../compiler/java/java_message_field.cc       |  974 +++++
 .../compiler/java/java_message_field.h        |   40 +-
 .../compiler/java/java_plugin_unittest.cc     |   19 +-
 .../compiler/java/java_primitive_field.cc     |  787 ++++
 .../compiler/java/java_primitive_field.h      |   26 +-
 .../protobuf/compiler/java/java_service.cc    |   11 +-
 .../protobuf/compiler/java/java_service.h     |    0
 .../compiler/java/java_string_field.cc        |  726 ++++
 .../compiler/java/java_string_field.h         |  122 +
 .../src/google/protobuf/compiler/main.cc      |    2 +-
 .../protobuf/compiler/mock_code_generator.cc  |   64 +-
 .../protobuf/compiler/mock_code_generator.h   |   13 +-
 .../google/protobuf/compiler/package_info.h   |    0
 .../src/google/protobuf/compiler/parser.cc    | 1611 ++++++++
 .../src/google/protobuf/compiler/parser.h     |  209 +-
 .../protobuf/compiler/parser_unittest.cc      | 1120 +++++-
 .../src/google/protobuf/compiler/plugin.cc    |   35 +-
 .../src/google/protobuf/compiler/plugin.h     |    1 -
 .../src/google/protobuf/compiler/plugin.pb.cc |  174 +-
 .../src/google/protobuf/compiler/plugin.pb.h  |  447 ++-
 .../src/google/protobuf/compiler/plugin.proto |    4 +-
 .../compiler/python/python_generator.cc       |  217 +-
 .../compiler/python/python_generator.h        |    8 +-
 .../compiler/python/python_plugin_unittest.cc |   14 +-
 .../google/protobuf/compiler/subprocess.cc    |   37 +-
 .../src/google/protobuf/compiler/subprocess.h |    7 +-
 .../google/protobuf/compiler/test_plugin.cc   |    0
 .../protobuf/compiler/zip_output_unittest.sh  |   36 +-
 .../google/protobuf/compiler/zip_writer.cc    |   34 +-
 .../src/google/protobuf/compiler/zip_writer.h |   93 +
 .../src/google/protobuf/descriptor.cc         |  790 +++-
 .../src/google/protobuf/descriptor.h          |  180 +-
 .../src/google/protobuf/descriptor.pb.cc      | 2555 ++++++++----
 .../src/google/protobuf/descriptor.pb.h       | 3487 ++++++++++++-----
 .../src/google/protobuf/descriptor.proto      |  221 +-
 .../google/protobuf/descriptor_database.cc    |    6 +-
 .../src/google/protobuf/descriptor_database.h |    1 +
 .../protobuf/descriptor_database_unittest.cc  |    0
 .../google/protobuf/descriptor_unittest.cc    |  824 +++-
 .../src/google/protobuf/dynamic_message.cc    |   35 +-
 .../src/google/protobuf/dynamic_message.h     |    4 +-
 .../protobuf/dynamic_message_unittest.cc      |    4 +
 .../src/google/protobuf/extension_set.cc      |  423 +-
 .../src/google/protobuf/extension_set.h       |  233 +-
 .../google/protobuf/extension_set_heavy.cc    |  274 +-
 .../google/protobuf/extension_set_unittest.cc |  100 +-
 .../protobuf/generated_enum_reflection.h      |   85 +
 .../protobuf/generated_message_reflection.cc  |  100 +-
 .../protobuf/generated_message_reflection.h   |   49 +-
 .../generated_message_reflection_unittest.cc  |  104 +-
 .../google/protobuf/generated_message_util.cc |    1 +
 .../google/protobuf/generated_message_util.h  |   26 +-
 .../src/google/protobuf/io/coded_stream.cc    |   61 +-
 .../src/google/protobuf/io/coded_stream.h     |  120 +-
 .../src/google/protobuf/io/coded_stream_inl.h |   10 +-
 .../protobuf/io/coded_stream_unittest.cc      |   90 +-
 .../src/google/protobuf/io/gzip_stream.cc     |   60 +-
 .../src/google/protobuf/io/gzip_stream.h      |   16 +-
 .../protobuf/io/gzip_stream_unittest.sh       |    0
 .../src/google/protobuf/io/package_info.h     |    0
 .../src/google/protobuf/io/printer.cc         |   18 +-
 .../src/google/protobuf/io/printer.h          |    6 +-
 .../google/protobuf/io/printer_unittest.cc    |   30 +-
 .../src/google/protobuf/io/tokenizer.cc       |  502 ++-
 .../src/google/protobuf/io/tokenizer.h        |   95 +-
 .../google/protobuf/io/tokenizer_unittest.cc  |  348 +-
 .../google/protobuf/io/zero_copy_stream.cc    |    0
 .../src/google/protobuf/io/zero_copy_stream.h |    0
 .../protobuf/io/zero_copy_stream_impl.cc      |    3 +-
 .../protobuf/io/zero_copy_stream_impl.h       |    0
 .../protobuf/io/zero_copy_stream_impl_lite.cc |    6 +-
 .../protobuf/io/zero_copy_stream_impl_lite.h  |    0
 .../protobuf/io/zero_copy_stream_unittest.cc  |  235 +-
 .../src/google/protobuf/lite_unittest.cc      |   75 +-
 .../src/google/protobuf/message.cc            |   44 +-
 .../src/google/protobuf/message.h             |  201 +-
 .../src/google/protobuf/message_lite.cc       |    4 +-
 .../src/google/protobuf/message_lite.h        |    9 +-
 .../src/google/protobuf/message_unittest.cc   |   77 +-
 .../src/google/protobuf/package_info.h        |    0
 .../src/google/protobuf/reflection_ops.cc     |   19 +-
 .../src/google/protobuf/reflection_ops.h      |    1 +
 .../protobuf/reflection_ops_unittest.cc       |    4 +-
 .../src/google/protobuf/repeated_field.cc     |   26 +-
 .../src/google/protobuf/repeated_field.h      |  451 ++-
 .../repeated_field_reflection_unittest.cc     |  195 +
 .../protobuf/repeated_field_unittest.cc       |  429 +-
 .../src/google/protobuf/service.cc            |    0
 .../src/google/protobuf/service.h             |    0
 .../src/google/protobuf/stubs/atomicops.h     |  206 +
 .../stubs/atomicops_internals_arm_gcc.h       |  151 +
 .../stubs/atomicops_internals_arm_qnx.h       |  146 +
 .../atomicops_internals_atomicword_compat.h   |  122 +
 .../stubs/atomicops_internals_macosx.h        |  225 ++
 .../stubs/atomicops_internals_mips_gcc.h      |  187 +
 .../stubs/atomicops_internals_pnacl.h         |   73 +
 .../stubs/atomicops_internals_x86_gcc.cc      |  137 +
 .../stubs/atomicops_internals_x86_gcc.h       |  293 ++
 .../stubs/atomicops_internals_x86_msvc.cc     |  112 +
 .../stubs/atomicops_internals_x86_msvc.h      |  150 +
 .../src/google/protobuf/stubs/common.cc       |   36 +-
 .../src/google/protobuf/stubs/common.h        |  125 +-
 .../google/protobuf/stubs/common_unittest.cc  |   18 +-
 .../src/google/protobuf/stubs/hash.h          |   12 +
 .../src/google/protobuf/stubs/map-util.h      |   24 +
 .../src/google/protobuf/stubs/once.cc         |   87 +-
 .../src/google/protobuf/stubs/once.h          |   83 +-
 .../google/protobuf/stubs/once_unittest.cc    |    0
 .../google/protobuf/stubs/platform_macros.h   |   70 +
 .../src/google/protobuf/stubs/stl_util.h}     |    8 +-
 .../src/google/protobuf/stubs/stringprintf.cc |  175 +
 .../src/google/protobuf/stubs/stringprintf.h  |   76 +
 .../protobuf/stubs/stringprintf_unittest.cc   |  152 +
 .../protobuf/stubs/structurally_valid.cc      |    0
 .../stubs/structurally_valid_unittest.cc      |    0
 .../src/google/protobuf/stubs/strutil.cc      |   45 +
 .../src/google/protobuf/stubs/strutil.h       |   18 +-
 .../google/protobuf/stubs/strutil_unittest.cc |    0
 .../src/google/protobuf/stubs/substitute.cc   |    2 +-
 .../src/google/protobuf/stubs/substitute.h    |    0
 .../src/google/protobuf/stubs/template_util.h |  138 +
 .../protobuf/stubs/template_util_unittest.cc  |  130 +
 .../src/google/protobuf/stubs/type_traits.h   |  336 ++
 .../protobuf/stubs/type_traits_unittest.cc    |  628 +++
 .../src/google/protobuf/test_util.cc          |  383 +-
 .../src/google/protobuf/test_util.h           |   21 +-
 .../src/google/protobuf/test_util_lite.cc     |  150 +-
 .../src/google/protobuf/test_util_lite.h      |    0
 .../google/protobuf/testdata/golden_message   |  Bin 0 -> 509 bytes
 .../testdata/golden_packed_fields_message     |  Bin
 .../testdata/text_format_unittest_data.txt    |   12 +
 .../text_format_unittest_extensions_data.txt  |   12 +
 .../src/google/protobuf/testing/file.cc       |    0
 .../src/google/protobuf/testing/file.h        |    0
 .../src/google/protobuf/testing/googletest.cc |   11 +-
 .../src/google/protobuf/testing/googletest.h  |   16 +-
 .../src/google/protobuf/testing/zcgunzip.cc   |    0
 .../src/google/protobuf/testing/zcgzip.cc     |    0
 .../src/google/protobuf/text_format.cc        |  370 +-
 .../src/google/protobuf/text_format.h         |  131 +-
 .../google/protobuf/text_format_unittest.cc   |  200 +-
 .../src/google/protobuf/unittest.proto        |  107 +
 .../protobuf/unittest_custom_options.proto    |  112 +
 .../unittest_embed_optimize_for.proto         |    0
 .../src/google/protobuf/unittest_empty.proto  |    0
 .../unittest_enormous_descriptor.proto        |    0
 .../src/google/protobuf/unittest_import.proto |    3 +
 .../protobuf/unittest_import_lite.proto       |    2 +
 .../protobuf/unittest_import_public.proto}    |   13 +-
 .../unittest_import_public_lite.proto         |   42 +
 .../src/google/protobuf/unittest_lite.proto   |   48 +
 .../unittest_lite_imports_nonlite.proto       |    0
 .../src/google/protobuf/unittest_mset.proto   |    0
 .../unittest_no_generic_services.proto        |    4 +-
 .../protobuf/unittest_optimize_for.proto      |    0
 .../src/google/protobuf/unknown_field_set.cc  |   78 +-
 .../src/google/protobuf/unknown_field_set.h   |   75 +-
 .../protobuf/unknown_field_set_unittest.cc    |   88 +-
 .../src/google/protobuf/wire_format.cc        |   36 +-
 .../src/google/protobuf/wire_format.h         |    6 +-
 .../src/google/protobuf/wire_format_lite.cc   |   12 +-
 .../src/google/protobuf/wire_format_lite.h    |   10 +-
 .../google/protobuf/wire_format_lite_inl.h    |  117 +-
 .../google/protobuf/wire_format_unittest.cc   |   93 +-
 .../src/solaris/libstdc++.la                  |    0
 229 files changed, 26776 insertions(+), 7210 deletions(-)
 delete mode 100644 common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_enum_field.cc
 delete mode 100644 common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_message_field.cc
 delete mode 100644 common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_primitive_field.cc
 delete mode 100644 common/protobuf-2.3.0/src/google/protobuf/compiler/parser.cc
 delete mode 100644 common/protobuf-2.3.0/src/google/protobuf/testdata/golden_message
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/Makefile.am (77%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/Makefile.in (68%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/code_generator.cc (89%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/code_generator.h (87%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/command_line_interface.cc (80%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/command_line_interface.h (85%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/command_line_interface_unittest.cc (86%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_bootstrap_unittest.cc (83%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_enum.cc (98%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_enum.h (96%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_enum_field.cc (94%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_enum_field.h (95%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_extension.cc (97%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_extension.h (93%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_field.cc (84%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_field.h (91%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_file.cc (88%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_file.h (96%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_generator.cc (91%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_generator.h (98%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_helpers.cc (80%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_helpers.h (82%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_message.cc (82%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_message.h (98%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_message_field.cc (85%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_message_field.h (96%)
 rename common/{protobuf-2.3.0/src/google/protobuf/compiler/zip_writer.h => protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_options.h} (79%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_plugin_unittest.cc (84%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_primitive_field.cc (95%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_primitive_field.h (96%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_service.cc (98%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_service.h (97%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_string_field.cc (81%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_string_field.h (94%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_test_bad_identifiers.proto (90%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/cpp/cpp_unittest.cc (88%)
 create mode 100644 common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_unittest.h
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/importer.cc (98%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/importer.h (98%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/importer_unittest.cc (100%)
 create mode 100644 common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_doc_comment.cc
 create mode 100644 common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_doc_comment.h
 create mode 100644 common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_doc_comment_unittest.cc
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/java/java_enum.cc (79%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/java/java_enum.h (99%)
 create mode 100644 common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_enum_field.cc
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/java/java_enum_field.h (77%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/java/java_extension.cc (51%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/java/java_extension.h (97%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/java/java_field.cc (68%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/java/java_field.h (86%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/java/java_file.cc (69%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/java/java_file.h (96%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/java/java_generator.cc (86%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/java/java_generator.h (98%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/java/java_helpers.cc (72%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/java/java_helpers.h (68%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/java/java_message.cc (57%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/java/java_message.h (88%)
 create mode 100644 common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_message_field.cc
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/java/java_message_field.h (69%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/java/java_plugin_unittest.cc (86%)
 create mode 100644 common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_primitive_field.cc
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/java/java_primitive_field.h (78%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/java/java_service.cc (97%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/java/java_service.h (100%)
 create mode 100644 common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_string_field.cc
 create mode 100644 common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_string_field.h
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/main.cc (97%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/mock_code_generator.cc (77%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/mock_code_generator.h (87%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/package_info.h (100%)
 create mode 100644 common/protobuf-2.5.0/src/google/protobuf/compiler/parser.cc
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/parser.h (59%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/parser_unittest.cc (51%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/plugin.cc (82%)
 rename common/{protobuf-2.3.0 => protobuf-2.5.0}/src/google/protobuf/compiler/plugin.h (99%)
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diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_enum_field.cc b/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_enum_field.cc
deleted file mode 100644
index af6b1cd2..00000000
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_enum_field.cc
+++ /dev/null
@@ -1,373 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Author: kenton@google.com (Kenton Varda)
-//  Based on original Protocol Buffers design by
-//  Sanjay Ghemawat, Jeff Dean, and others.
-
-#include <map>
-#include <string>
-
-#include <google/protobuf/compiler/java/java_enum_field.h>
-#include <google/protobuf/stubs/common.h>
-#include <google/protobuf/compiler/java/java_helpers.h>
-#include <google/protobuf/io/printer.h>
-#include <google/protobuf/wire_format.h>
-#include <google/protobuf/stubs/strutil.h>
-
-namespace google {
-namespace protobuf {
-namespace compiler {
-namespace java {
-
-namespace {
-
-// TODO(kenton):  Factor out a "SetCommonFieldVariables()" to get rid of
-//   repeat code between this and the other field types.
-void SetEnumVariables(const FieldDescriptor* descriptor,
-                      map<string, string>* variables) {
-  (*variables)["name"] =
-    UnderscoresToCamelCase(descriptor);
-  (*variables)["capitalized_name"] =
-    UnderscoresToCapitalizedCamelCase(descriptor);
-  (*variables)["number"] = SimpleItoa(descriptor->number());
-  (*variables)["type"] = ClassName(descriptor->enum_type());
-  (*variables)["default"] = DefaultValue(descriptor);
-  (*variables)["tag"] = SimpleItoa(internal::WireFormat::MakeTag(descriptor));
-  (*variables)["tag_size"] = SimpleItoa(
-      internal::WireFormat::TagSize(descriptor->number(), GetType(descriptor)));
-}
-
-}  // namespace
-
-// ===================================================================
-
-EnumFieldGenerator::
-EnumFieldGenerator(const FieldDescriptor* descriptor)
-  : descriptor_(descriptor) {
-  SetEnumVariables(descriptor, &variables_);
-}
-
-EnumFieldGenerator::~EnumFieldGenerator() {}
-
-void EnumFieldGenerator::
-GenerateMembers(io::Printer* printer) const {
-  printer->Print(variables_,
-    "private boolean has$capitalized_name$;\n"
-    "private $type$ $name$_;\n"
-    "public boolean has$capitalized_name$() { return has$capitalized_name$; }\n"
-    "public $type$ get$capitalized_name$() { return $name$_; }\n");
-}
-
-void EnumFieldGenerator::
-GenerateBuilderMembers(io::Printer* printer) const {
-  printer->Print(variables_,
-    "public boolean has$capitalized_name$() {\n"
-    "  return result.has$capitalized_name$();\n"
-    "}\n"
-    "public $type$ get$capitalized_name$() {\n"
-    "  return result.get$capitalized_name$();\n"
-    "}\n"
-    "public Builder set$capitalized_name$($type$ value) {\n"
-    "  if (value == null) {\n"
-    "    throw new NullPointerException();\n"
-    "  }\n"
-    "  result.has$capitalized_name$ = true;\n"
-    "  result.$name$_ = value;\n"
-    "  return this;\n"
-    "}\n"
-    "public Builder clear$capitalized_name$() {\n"
-    "  result.has$capitalized_name$ = false;\n"
-    "  result.$name$_ = $default$;\n"
-    "  return this;\n"
-    "}\n");
-}
-
-void EnumFieldGenerator::
-GenerateInitializationCode(io::Printer* printer) const {
-  printer->Print(variables_, "$name$_ = $default$;\n");
-}
-
-void EnumFieldGenerator::
-GenerateMergingCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "if (other.has$capitalized_name$()) {\n"
-    "  set$capitalized_name$(other.get$capitalized_name$());\n"
-    "}\n");
-}
-
-void EnumFieldGenerator::
-GenerateBuildingCode(io::Printer* printer) const {
-  // Nothing to do here for enum types.
-}
-
-void EnumFieldGenerator::
-GenerateParsingCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "int rawValue = input.readEnum();\n"
-    "$type$ value = $type$.valueOf(rawValue);\n");
-  if (HasUnknownFields(descriptor_->containing_type())) {
-    printer->Print(variables_,
-      "if (value == null) {\n"
-      "  unknownFields.mergeVarintField($number$, rawValue);\n"
-      "} else {\n");
-  } else {
-    printer->Print(variables_,
-      "if (value != null) {\n");
-  }
-  printer->Print(variables_,
-    "  set$capitalized_name$(value);\n"
-    "}\n");
-}
-
-void EnumFieldGenerator::
-GenerateSerializationCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "if (has$capitalized_name$()) {\n"
-    "  output.writeEnum($number$, get$capitalized_name$().getNumber());\n"
-    "}\n");
-}
-
-void EnumFieldGenerator::
-GenerateSerializedSizeCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "if (has$capitalized_name$()) {\n"
-    "  size += com.google.protobuf.CodedOutputStream\n"
-    "    .computeEnumSize($number$, get$capitalized_name$().getNumber());\n"
-    "}\n");
-}
-
-string EnumFieldGenerator::GetBoxedType() const {
-  return ClassName(descriptor_->enum_type());
-}
-
-// ===================================================================
-
-RepeatedEnumFieldGenerator::
-RepeatedEnumFieldGenerator(const FieldDescriptor* descriptor)
-  : descriptor_(descriptor) {
-  SetEnumVariables(descriptor, &variables_);
-}
-
-RepeatedEnumFieldGenerator::~RepeatedEnumFieldGenerator() {}
-
-void RepeatedEnumFieldGenerator::
-GenerateMembers(io::Printer* printer) const {
-  printer->Print(variables_,
-    "private java.util.List<$type$> $name$_ =\n"
-    "  java.util.Collections.emptyList();\n"
-    "public java.util.List<$type$> get$capitalized_name$List() {\n"
-    "  return $name$_;\n"   // note:  unmodifiable list
-    "}\n"
-    "public int get$capitalized_name$Count() { return $name$_.size(); }\n"
-    "public $type$ get$capitalized_name$(int index) {\n"
-    "  return $name$_.get(index);\n"
-    "}\n");
-
-  if (descriptor_->options().packed() &&
-      HasGeneratedMethods(descriptor_->containing_type())) {
-    printer->Print(variables_,
-      "private int $name$MemoizedSerializedSize;\n");
-  }
-}
-
-void RepeatedEnumFieldGenerator::
-GenerateBuilderMembers(io::Printer* printer) const {
-  printer->Print(variables_,
-    // Note:  We return an unmodifiable list because otherwise the caller
-    //   could hold on to the returned list and modify it after the message
-    //   has been built, thus mutating the message which is supposed to be
-    //   immutable.
-    "public java.util.List<$type$> get$capitalized_name$List() {\n"
-    "  return java.util.Collections.unmodifiableList(result.$name$_);\n"
-    "}\n"
-    "public int get$capitalized_name$Count() {\n"
-    "  return result.get$capitalized_name$Count();\n"
-    "}\n"
-    "public $type$ get$capitalized_name$(int index) {\n"
-    "  return result.get$capitalized_name$(index);\n"
-    "}\n"
-    "public Builder set$capitalized_name$(int index, $type$ value) {\n"
-    "  if (value == null) {\n"
-    "    throw new NullPointerException();\n"
-    "  }\n"
-    "  result.$name$_.set(index, value);\n"
-    "  return this;\n"
-    "}\n"
-    "public Builder add$capitalized_name$($type$ value) {\n"
-    "  if (value == null) {\n"
-    "    throw new NullPointerException();\n"
-    "  }\n"
-    "  if (result.$name$_.isEmpty()) {\n"
-    "    result.$name$_ = new java.util.ArrayList<$type$>();\n"
-    "  }\n"
-    "  result.$name$_.add(value);\n"
-    "  return this;\n"
-    "}\n"
-    "public Builder addAll$capitalized_name$(\n"
-    "    java.lang.Iterable<? extends $type$> values) {\n"
-    "  if (result.$name$_.isEmpty()) {\n"
-    "    result.$name$_ = new java.util.ArrayList<$type$>();\n"
-    "  }\n"
-    "  super.addAll(values, result.$name$_);\n"
-    "  return this;\n"
-    "}\n"
-    "public Builder clear$capitalized_name$() {\n"
-    "  result.$name$_ = java.util.Collections.emptyList();\n"
-    "  return this;\n"
-    "}\n");
-}
-
-void RepeatedEnumFieldGenerator::
-GenerateInitializationCode(io::Printer* printer) const {
-  // Initialized inline.
-}
-
-void RepeatedEnumFieldGenerator::
-GenerateMergingCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "if (!other.$name$_.isEmpty()) {\n"
-    "  if (result.$name$_.isEmpty()) {\n"
-    "    result.$name$_ = new java.util.ArrayList<$type$>();\n"
-    "  }\n"
-    "  result.$name$_.addAll(other.$name$_);\n"
-    "}\n");
-}
-
-void RepeatedEnumFieldGenerator::
-GenerateBuildingCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "if (result.$name$_ != java.util.Collections.EMPTY_LIST) {\n"
-    "  result.$name$_ =\n"
-    "    java.util.Collections.unmodifiableList(result.$name$_);\n"
-    "}\n");
-}
-
-void RepeatedEnumFieldGenerator::
-GenerateParsingCode(io::Printer* printer) const {
-  // Read and store the enum
-  printer->Print(variables_,
-    "int rawValue = input.readEnum();\n"
-    "$type$ value = $type$.valueOf(rawValue);\n");
-  if (HasUnknownFields(descriptor_->containing_type())) {
-    printer->Print(variables_,
-      "if (value == null) {\n"
-      "  unknownFields.mergeVarintField($number$, rawValue);\n"
-      "} else {\n");
-  } else {
-    printer->Print(variables_,
-      "if (value != null) {\n");
-  }
-  printer->Print(variables_,
-    "  add$capitalized_name$(value);\n"
-    "}\n");
-}
-
-void RepeatedEnumFieldGenerator::
-GenerateParsingCodeFromPacked(io::Printer* printer) const {
-  // Wrap GenerateParsingCode's contents with a while loop.
-
-  printer->Print(variables_,
-    "int length = input.readRawVarint32();\n"
-    "int oldLimit = input.pushLimit(length);\n"
-    "while(input.getBytesUntilLimit() > 0) {\n");
-  printer->Indent();
-
-  GenerateParsingCode(printer);
-
-  printer->Outdent();
-  printer->Print(variables_,
-    "}\n"
-    "input.popLimit(oldLimit);\n");
-}
-
-void RepeatedEnumFieldGenerator::
-GenerateSerializationCode(io::Printer* printer) const {
-  if (descriptor_->options().packed()) {
-    printer->Print(variables_,
-      "if (get$capitalized_name$List().size() > 0) {\n"
-      "  output.writeRawVarint32($tag$);\n"
-      "  output.writeRawVarint32($name$MemoizedSerializedSize);\n"
-      "}\n"
-      "for ($type$ element : get$capitalized_name$List()) {\n"
-      "  output.writeEnumNoTag(element.getNumber());\n"
-      "}\n");
-  } else {
-    printer->Print(variables_,
-      "for ($type$ element : get$capitalized_name$List()) {\n"
-      "  output.writeEnum($number$, element.getNumber());\n"
-      "}\n");
-  }
-}
-
-void RepeatedEnumFieldGenerator::
-GenerateSerializedSizeCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "{\n"
-    "  int dataSize = 0;\n");
-  printer->Indent();
-
-  printer->Print(variables_,
-    "for ($type$ element : get$capitalized_name$List()) {\n"
-    "  dataSize += com.google.protobuf.CodedOutputStream\n"
-    "    .computeEnumSizeNoTag(element.getNumber());\n"
-    "}\n");
-  printer->Print(
-    "size += dataSize;\n");
-  if (descriptor_->options().packed()) {
-    printer->Print(variables_,
-      "if (!get$capitalized_name$List().isEmpty()) {"
-      "  size += $tag_size$;\n"
-      "  size += com.google.protobuf.CodedOutputStream\n"
-      "    .computeRawVarint32Size(dataSize);\n"
-      "}");
-  } else {
-    printer->Print(variables_,
-      "size += $tag_size$ * get$capitalized_name$List().size();\n");
-  }
-
-  // cache the data size for packed fields.
-  if (descriptor_->options().packed()) {
-    printer->Print(variables_,
-      "$name$MemoizedSerializedSize = dataSize;\n");
-  }
-
-  printer->Outdent();
-  printer->Print("}\n");
-}
-
-string RepeatedEnumFieldGenerator::GetBoxedType() const {
-  return ClassName(descriptor_->enum_type());
-}
-
-}  // namespace java
-}  // namespace compiler
-}  // namespace protobuf
-}  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_message_field.cc b/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_message_field.cc
deleted file mode 100644
index 71edc024..00000000
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_message_field.cc
+++ /dev/null
@@ -1,335 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Author: kenton@google.com (Kenton Varda)
-//  Based on original Protocol Buffers design by
-//  Sanjay Ghemawat, Jeff Dean, and others.
-
-#include <map>
-#include <string>
-
-#include <google/protobuf/compiler/java/java_message_field.h>
-#include <google/protobuf/compiler/java/java_helpers.h>
-#include <google/protobuf/io/printer.h>
-#include <google/protobuf/wire_format.h>
-#include <google/protobuf/stubs/strutil.h>
-
-namespace google {
-namespace protobuf {
-namespace compiler {
-namespace java {
-
-namespace {
-
-// TODO(kenton):  Factor out a "SetCommonFieldVariables()" to get rid of
-//   repeat code between this and the other field types.
-void SetMessageVariables(const FieldDescriptor* descriptor,
-                         map<string, string>* variables) {
-  (*variables)["name"] =
-    UnderscoresToCamelCase(descriptor);
-  (*variables)["capitalized_name"] =
-    UnderscoresToCapitalizedCamelCase(descriptor);
-  (*variables)["number"] = SimpleItoa(descriptor->number());
-  (*variables)["type"] = ClassName(descriptor->message_type());
-  (*variables)["group_or_message"] =
-    (GetType(descriptor) == FieldDescriptor::TYPE_GROUP) ?
-    "Group" : "Message";
-}
-
-}  // namespace
-
-// ===================================================================
-
-MessageFieldGenerator::
-MessageFieldGenerator(const FieldDescriptor* descriptor)
-  : descriptor_(descriptor) {
-  SetMessageVariables(descriptor, &variables_);
-}
-
-MessageFieldGenerator::~MessageFieldGenerator() {}
-
-void MessageFieldGenerator::
-GenerateMembers(io::Printer* printer) const {
-  printer->Print(variables_,
-    "private boolean has$capitalized_name$;\n"
-    "private $type$ $name$_;\n"
-    "public boolean has$capitalized_name$() { return has$capitalized_name$; }\n"
-    "public $type$ get$capitalized_name$() { return $name$_; }\n");
-}
-
-void MessageFieldGenerator::
-GenerateBuilderMembers(io::Printer* printer) const {
-  printer->Print(variables_,
-    "public boolean has$capitalized_name$() {\n"
-    "  return result.has$capitalized_name$();\n"
-    "}\n"
-    "public $type$ get$capitalized_name$() {\n"
-    "  return result.get$capitalized_name$();\n"
-    "}\n"
-    "public Builder set$capitalized_name$($type$ value) {\n"
-    "  if (value == null) {\n"
-    "    throw new NullPointerException();\n"
-    "  }\n"
-    "  result.has$capitalized_name$ = true;\n"
-    "  result.$name$_ = value;\n"
-    "  return this;\n"
-    "}\n"
-    "public Builder set$capitalized_name$($type$.Builder builderForValue) {\n"
-    "  result.has$capitalized_name$ = true;\n"
-    "  result.$name$_ = builderForValue.build();\n"
-    "  return this;\n"
-    "}\n"
-    "public Builder merge$capitalized_name$($type$ value) {\n"
-    "  if (result.has$capitalized_name$() &&\n"
-    "      result.$name$_ != $type$.getDefaultInstance()) {\n"
-    "    result.$name$_ =\n"
-    "      $type$.newBuilder(result.$name$_).mergeFrom(value).buildPartial();\n"
-    "  } else {\n"
-    "    result.$name$_ = value;\n"
-    "  }\n"
-    "  result.has$capitalized_name$ = true;\n"
-    "  return this;\n"
-    "}\n"
-    "public Builder clear$capitalized_name$() {\n"
-    "  result.has$capitalized_name$ = false;\n"
-    "  result.$name$_ = $type$.getDefaultInstance();\n"
-    "  return this;\n"
-    "}\n");
-}
-
-void MessageFieldGenerator::
-GenerateInitializationCode(io::Printer* printer) const {
-  printer->Print(variables_, "$name$_ = $type$.getDefaultInstance();\n");
-}
-
-void MessageFieldGenerator::
-GenerateMergingCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "if (other.has$capitalized_name$()) {\n"
-    "  merge$capitalized_name$(other.get$capitalized_name$());\n"
-    "}\n");
-}
-
-void MessageFieldGenerator::
-GenerateBuildingCode(io::Printer* printer) const {
-  // Nothing to do for singular fields.
-}
-
-void MessageFieldGenerator::
-GenerateParsingCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "$type$.Builder subBuilder = $type$.newBuilder();\n"
-    "if (has$capitalized_name$()) {\n"
-    "  subBuilder.mergeFrom(get$capitalized_name$());\n"
-    "}\n");
-
-  if (GetType(descriptor_) == FieldDescriptor::TYPE_GROUP) {
-    printer->Print(variables_,
-      "input.readGroup($number$, subBuilder, extensionRegistry);\n");
-  } else {
-    printer->Print(variables_,
-      "input.readMessage(subBuilder, extensionRegistry);\n");
-  }
-
-  printer->Print(variables_,
-    "set$capitalized_name$(subBuilder.buildPartial());\n");
-}
-
-void MessageFieldGenerator::
-GenerateSerializationCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "if (has$capitalized_name$()) {\n"
-    "  output.write$group_or_message$($number$, get$capitalized_name$());\n"
-    "}\n");
-}
-
-void MessageFieldGenerator::
-GenerateSerializedSizeCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "if (has$capitalized_name$()) {\n"
-    "  size += com.google.protobuf.CodedOutputStream\n"
-    "    .compute$group_or_message$Size($number$, get$capitalized_name$());\n"
-    "}\n");
-}
-
-string MessageFieldGenerator::GetBoxedType() const {
-  return ClassName(descriptor_->message_type());
-}
-
-// ===================================================================
-
-RepeatedMessageFieldGenerator::
-RepeatedMessageFieldGenerator(const FieldDescriptor* descriptor)
-  : descriptor_(descriptor) {
-  SetMessageVariables(descriptor, &variables_);
-}
-
-RepeatedMessageFieldGenerator::~RepeatedMessageFieldGenerator() {}
-
-void RepeatedMessageFieldGenerator::
-GenerateMembers(io::Printer* printer) const {
-  printer->Print(variables_,
-    "private java.util.List<$type$> $name$_ =\n"
-    "  java.util.Collections.emptyList();\n"
-    "public java.util.List<$type$> get$capitalized_name$List() {\n"
-    "  return $name$_;\n"   // note:  unmodifiable list
-    "}\n"
-    "public int get$capitalized_name$Count() { return $name$_.size(); }\n"
-    "public $type$ get$capitalized_name$(int index) {\n"
-    "  return $name$_.get(index);\n"
-    "}\n");
-}
-
-void RepeatedMessageFieldGenerator::
-GenerateBuilderMembers(io::Printer* printer) const {
-  printer->Print(variables_,
-    // Note:  We return an unmodifiable list because otherwise the caller
-    //   could hold on to the returned list and modify it after the message
-    //   has been built, thus mutating the message which is supposed to be
-    //   immutable.
-    "public java.util.List<$type$> get$capitalized_name$List() {\n"
-    "  return java.util.Collections.unmodifiableList(result.$name$_);\n"
-    "}\n"
-    "public int get$capitalized_name$Count() {\n"
-    "  return result.get$capitalized_name$Count();\n"
-    "}\n"
-    "public $type$ get$capitalized_name$(int index) {\n"
-    "  return result.get$capitalized_name$(index);\n"
-    "}\n"
-    "public Builder set$capitalized_name$(int index, $type$ value) {\n"
-    "  if (value == null) {\n"
-    "    throw new NullPointerException();\n"
-    "  }\n"
-    "  result.$name$_.set(index, value);\n"
-    "  return this;\n"
-    "}\n"
-    "public Builder set$capitalized_name$(int index, "
-      "$type$.Builder builderForValue) {\n"
-    "  result.$name$_.set(index, builderForValue.build());\n"
-    "  return this;\n"
-    "}\n"
-    "public Builder add$capitalized_name$($type$ value) {\n"
-    "  if (value == null) {\n"
-    "    throw new NullPointerException();\n"
-    "  }\n"
-    "  if (result.$name$_.isEmpty()) {\n"
-    "    result.$name$_ = new java.util.ArrayList<$type$>();\n"
-    "  }\n"
-    "  result.$name$_.add(value);\n"
-    "  return this;\n"
-    "}\n"
-    "public Builder add$capitalized_name$($type$.Builder builderForValue) {\n"
-    "  if (result.$name$_.isEmpty()) {\n"
-    "    result.$name$_ = new java.util.ArrayList<$type$>();\n"
-    "  }\n"
-    "  result.$name$_.add(builderForValue.build());\n"
-    "  return this;\n"
-    "}\n"
-    "public Builder addAll$capitalized_name$(\n"
-    "    java.lang.Iterable<? extends $type$> values) {\n"
-    "  if (result.$name$_.isEmpty()) {\n"
-    "    result.$name$_ = new java.util.ArrayList<$type$>();\n"
-    "  }\n"
-    "  super.addAll(values, result.$name$_);\n"
-    "  return this;\n"
-    "}\n"
-    "public Builder clear$capitalized_name$() {\n"
-    "  result.$name$_ = java.util.Collections.emptyList();\n"
-    "  return this;\n"
-    "}\n");
-}
-
-void RepeatedMessageFieldGenerator::
-GenerateInitializationCode(io::Printer* printer) const {
-  // Initialized inline.
-}
-
-void RepeatedMessageFieldGenerator::
-GenerateMergingCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "if (!other.$name$_.isEmpty()) {\n"
-    "  if (result.$name$_.isEmpty()) {\n"
-    "    result.$name$_ = new java.util.ArrayList<$type$>();\n"
-    "  }\n"
-    "  result.$name$_.addAll(other.$name$_);\n"
-    "}\n");
-}
-
-void RepeatedMessageFieldGenerator::
-GenerateBuildingCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "if (result.$name$_ != java.util.Collections.EMPTY_LIST) {\n"
-    "  result.$name$_ =\n"
-    "    java.util.Collections.unmodifiableList(result.$name$_);\n"
-    "}\n");
-}
-
-void RepeatedMessageFieldGenerator::
-GenerateParsingCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "$type$.Builder subBuilder = $type$.newBuilder();\n");
-
-  if (GetType(descriptor_) == FieldDescriptor::TYPE_GROUP) {
-    printer->Print(variables_,
-      "input.readGroup($number$, subBuilder, extensionRegistry);\n");
-  } else {
-    printer->Print(variables_,
-      "input.readMessage(subBuilder, extensionRegistry);\n");
-  }
-
-  printer->Print(variables_,
-    "add$capitalized_name$(subBuilder.buildPartial());\n");
-}
-
-void RepeatedMessageFieldGenerator::
-GenerateSerializationCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "for ($type$ element : get$capitalized_name$List()) {\n"
-    "  output.write$group_or_message$($number$, element);\n"
-    "}\n");
-}
-
-void RepeatedMessageFieldGenerator::
-GenerateSerializedSizeCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "for ($type$ element : get$capitalized_name$List()) {\n"
-    "  size += com.google.protobuf.CodedOutputStream\n"
-    "    .compute$group_or_message$Size($number$, element);\n"
-    "}\n");
-}
-
-string RepeatedMessageFieldGenerator::GetBoxedType() const {
-  return ClassName(descriptor_->message_type());
-}
-
-}  // namespace java
-}  // namespace compiler
-}  // namespace protobuf
-}  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_primitive_field.cc b/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_primitive_field.cc
deleted file mode 100644
index f6179bfa..00000000
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_primitive_field.cc
+++ /dev/null
@@ -1,465 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Author: kenton@google.com (Kenton Varda)
-//  Based on original Protocol Buffers design by
-//  Sanjay Ghemawat, Jeff Dean, and others.
-
-#include <map>
-#include <string>
-
-#include <google/protobuf/compiler/java/java_primitive_field.h>
-#include <google/protobuf/stubs/common.h>
-#include <google/protobuf/compiler/java/java_helpers.h>
-#include <google/protobuf/io/printer.h>
-#include <google/protobuf/wire_format.h>
-#include <google/protobuf/stubs/strutil.h>
-
-namespace google {
-namespace protobuf {
-namespace compiler {
-namespace java {
-
-using internal::WireFormat;
-using internal::WireFormatLite;
-
-namespace {
-
-const char* PrimitiveTypeName(JavaType type) {
-  switch (type) {
-    case JAVATYPE_INT    : return "int";
-    case JAVATYPE_LONG   : return "long";
-    case JAVATYPE_FLOAT  : return "float";
-    case JAVATYPE_DOUBLE : return "double";
-    case JAVATYPE_BOOLEAN: return "boolean";
-    case JAVATYPE_STRING : return "java.lang.String";
-    case JAVATYPE_BYTES  : return "com.google.protobuf.ByteString";
-    case JAVATYPE_ENUM   : return NULL;
-    case JAVATYPE_MESSAGE: return NULL;
-
-    // No default because we want the compiler to complain if any new
-    // JavaTypes are added.
-  }
-
-  GOOGLE_LOG(FATAL) << "Can't get here.";
-  return NULL;
-}
-
-bool IsReferenceType(JavaType type) {
-  switch (type) {
-    case JAVATYPE_INT    : return false;
-    case JAVATYPE_LONG   : return false;
-    case JAVATYPE_FLOAT  : return false;
-    case JAVATYPE_DOUBLE : return false;
-    case JAVATYPE_BOOLEAN: return false;
-    case JAVATYPE_STRING : return true;
-    case JAVATYPE_BYTES  : return true;
-    case JAVATYPE_ENUM   : return true;
-    case JAVATYPE_MESSAGE: return true;
-
-    // No default because we want the compiler to complain if any new
-    // JavaTypes are added.
-  }
-
-  GOOGLE_LOG(FATAL) << "Can't get here.";
-  return false;
-}
-
-const char* GetCapitalizedType(const FieldDescriptor* field) {
-  switch (GetType(field)) {
-    case FieldDescriptor::TYPE_INT32   : return "Int32"   ;
-    case FieldDescriptor::TYPE_UINT32  : return "UInt32"  ;
-    case FieldDescriptor::TYPE_SINT32  : return "SInt32"  ;
-    case FieldDescriptor::TYPE_FIXED32 : return "Fixed32" ;
-    case FieldDescriptor::TYPE_SFIXED32: return "SFixed32";
-    case FieldDescriptor::TYPE_INT64   : return "Int64"   ;
-    case FieldDescriptor::TYPE_UINT64  : return "UInt64"  ;
-    case FieldDescriptor::TYPE_SINT64  : return "SInt64"  ;
-    case FieldDescriptor::TYPE_FIXED64 : return "Fixed64" ;
-    case FieldDescriptor::TYPE_SFIXED64: return "SFixed64";
-    case FieldDescriptor::TYPE_FLOAT   : return "Float"   ;
-    case FieldDescriptor::TYPE_DOUBLE  : return "Double"  ;
-    case FieldDescriptor::TYPE_BOOL    : return "Bool"    ;
-    case FieldDescriptor::TYPE_STRING  : return "String"  ;
-    case FieldDescriptor::TYPE_BYTES   : return "Bytes"   ;
-    case FieldDescriptor::TYPE_ENUM    : return "Enum"    ;
-    case FieldDescriptor::TYPE_GROUP   : return "Group"   ;
-    case FieldDescriptor::TYPE_MESSAGE : return "Message" ;
-
-    // No default because we want the compiler to complain if any new
-    // types are added.
-  }
-
-  GOOGLE_LOG(FATAL) << "Can't get here.";
-  return NULL;
-}
-
-// For encodings with fixed sizes, returns that size in bytes.  Otherwise
-// returns -1.
-int FixedSize(FieldDescriptor::Type type) {
-  switch (type) {
-    case FieldDescriptor::TYPE_INT32   : return -1;
-    case FieldDescriptor::TYPE_INT64   : return -1;
-    case FieldDescriptor::TYPE_UINT32  : return -1;
-    case FieldDescriptor::TYPE_UINT64  : return -1;
-    case FieldDescriptor::TYPE_SINT32  : return -1;
-    case FieldDescriptor::TYPE_SINT64  : return -1;
-    case FieldDescriptor::TYPE_FIXED32 : return WireFormatLite::kFixed32Size;
-    case FieldDescriptor::TYPE_FIXED64 : return WireFormatLite::kFixed64Size;
-    case FieldDescriptor::TYPE_SFIXED32: return WireFormatLite::kSFixed32Size;
-    case FieldDescriptor::TYPE_SFIXED64: return WireFormatLite::kSFixed64Size;
-    case FieldDescriptor::TYPE_FLOAT   : return WireFormatLite::kFloatSize;
-    case FieldDescriptor::TYPE_DOUBLE  : return WireFormatLite::kDoubleSize;
-
-    case FieldDescriptor::TYPE_BOOL    : return WireFormatLite::kBoolSize;
-    case FieldDescriptor::TYPE_ENUM    : return -1;
-
-    case FieldDescriptor::TYPE_STRING  : return -1;
-    case FieldDescriptor::TYPE_BYTES   : return -1;
-    case FieldDescriptor::TYPE_GROUP   : return -1;
-    case FieldDescriptor::TYPE_MESSAGE : return -1;
-
-    // No default because we want the compiler to complain if any new
-    // types are added.
-  }
-  GOOGLE_LOG(FATAL) << "Can't get here.";
-  return -1;
-}
-
-void SetPrimitiveVariables(const FieldDescriptor* descriptor,
-                           map<string, string>* variables) {
-  (*variables)["name"] =
-    UnderscoresToCamelCase(descriptor);
-  (*variables)["capitalized_name"] =
-    UnderscoresToCapitalizedCamelCase(descriptor);
-  (*variables)["number"] = SimpleItoa(descriptor->number());
-  (*variables)["type"] = PrimitiveTypeName(GetJavaType(descriptor));
-  (*variables)["boxed_type"] = BoxedPrimitiveTypeName(GetJavaType(descriptor));
-  (*variables)["default"] = DefaultValue(descriptor);
-  (*variables)["capitalized_type"] = GetCapitalizedType(descriptor);
-  (*variables)["tag"] = SimpleItoa(WireFormat::MakeTag(descriptor));
-  (*variables)["tag_size"] = SimpleItoa(
-      WireFormat::TagSize(descriptor->number(), GetType(descriptor)));
-  if (IsReferenceType(GetJavaType(descriptor))) {
-    (*variables)["null_check"] =
-        "  if (value == null) {\n"
-        "    throw new NullPointerException();\n"
-        "  }\n";
-  } else {
-    (*variables)["null_check"] = "";
-  }
-  int fixed_size = FixedSize(GetType(descriptor));
-  if (fixed_size != -1) {
-    (*variables)["fixed_size"] = SimpleItoa(fixed_size);
-  }
-}
-}  // namespace
-
-// ===================================================================
-
-PrimitiveFieldGenerator::
-PrimitiveFieldGenerator(const FieldDescriptor* descriptor)
-  : descriptor_(descriptor) {
-  SetPrimitiveVariables(descriptor, &variables_);
-}
-
-PrimitiveFieldGenerator::~PrimitiveFieldGenerator() {}
-
-void PrimitiveFieldGenerator::
-GenerateMembers(io::Printer* printer) const {
-  printer->Print(variables_,
-    "private boolean has$capitalized_name$;\n"
-    "private $type$ $name$_ = $default$;\n"
-    "public boolean has$capitalized_name$() { return has$capitalized_name$; }\n"
-    "public $type$ get$capitalized_name$() { return $name$_; }\n");
-}
-
-void PrimitiveFieldGenerator::
-GenerateBuilderMembers(io::Printer* printer) const {
-  printer->Print(variables_,
-    "public boolean has$capitalized_name$() {\n"
-    "  return result.has$capitalized_name$();\n"
-    "}\n"
-    "public $type$ get$capitalized_name$() {\n"
-    "  return result.get$capitalized_name$();\n"
-    "}\n"
-    "public Builder set$capitalized_name$($type$ value) {\n"
-    "$null_check$"
-    "  result.has$capitalized_name$ = true;\n"
-    "  result.$name$_ = value;\n"
-    "  return this;\n"
-    "}\n"
-    "public Builder clear$capitalized_name$() {\n"
-    "  result.has$capitalized_name$ = false;\n");
-  JavaType type = GetJavaType(descriptor_);
-  if (type == JAVATYPE_STRING || type == JAVATYPE_BYTES) {
-    // The default value is not a simple literal so we want to avoid executing
-    // it multiple times.  Instead, get the default out of the default instance.
-    printer->Print(variables_,
-      "  result.$name$_ = getDefaultInstance().get$capitalized_name$();\n");
-  } else {
-    printer->Print(variables_,
-      "  result.$name$_ = $default$;\n");
-  }
-  printer->Print(variables_,
-    "  return this;\n"
-    "}\n");
-}
-
-void PrimitiveFieldGenerator::
-GenerateInitializationCode(io::Printer* printer) const {
-  // Initialized inline.
-}
-
-void PrimitiveFieldGenerator::
-GenerateMergingCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "if (other.has$capitalized_name$()) {\n"
-    "  set$capitalized_name$(other.get$capitalized_name$());\n"
-    "}\n");
-}
-
-void PrimitiveFieldGenerator::
-GenerateBuildingCode(io::Printer* printer) const {
-  // Nothing to do here for primitive types.
-}
-
-void PrimitiveFieldGenerator::
-GenerateParsingCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "set$capitalized_name$(input.read$capitalized_type$());\n");
-}
-
-void PrimitiveFieldGenerator::
-GenerateSerializationCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "if (has$capitalized_name$()) {\n"
-    "  output.write$capitalized_type$($number$, get$capitalized_name$());\n"
-    "}\n");
-}
-
-void PrimitiveFieldGenerator::
-GenerateSerializedSizeCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "if (has$capitalized_name$()) {\n"
-    "  size += com.google.protobuf.CodedOutputStream\n"
-    "    .compute$capitalized_type$Size($number$, get$capitalized_name$());\n"
-    "}\n");
-}
-
-string PrimitiveFieldGenerator::GetBoxedType() const {
-  return BoxedPrimitiveTypeName(GetJavaType(descriptor_));
-}
-
-// ===================================================================
-
-RepeatedPrimitiveFieldGenerator::
-RepeatedPrimitiveFieldGenerator(const FieldDescriptor* descriptor)
-  : descriptor_(descriptor) {
-  SetPrimitiveVariables(descriptor, &variables_);
-}
-
-RepeatedPrimitiveFieldGenerator::~RepeatedPrimitiveFieldGenerator() {}
-
-void RepeatedPrimitiveFieldGenerator::
-GenerateMembers(io::Printer* printer) const {
-  printer->Print(variables_,
-    "private java.util.List<$boxed_type$> $name$_ =\n"
-    "  java.util.Collections.emptyList();\n"
-    "public java.util.List<$boxed_type$> get$capitalized_name$List() {\n"
-    "  return $name$_;\n"   // note:  unmodifiable list
-    "}\n"
-    "public int get$capitalized_name$Count() { return $name$_.size(); }\n"
-    "public $type$ get$capitalized_name$(int index) {\n"
-    "  return $name$_.get(index);\n"
-    "}\n");
-
-  if (descriptor_->options().packed() &&
-      HasGeneratedMethods(descriptor_->containing_type())) {
-    printer->Print(variables_,
-      "private int $name$MemoizedSerializedSize = -1;\n");
-  }
-}
-
-void RepeatedPrimitiveFieldGenerator::
-GenerateBuilderMembers(io::Printer* printer) const {
-  printer->Print(variables_,
-    // Note:  We return an unmodifiable list because otherwise the caller
-    //   could hold on to the returned list and modify it after the message
-    //   has been built, thus mutating the message which is supposed to be
-    //   immutable.
-    "public java.util.List<$boxed_type$> get$capitalized_name$List() {\n"
-    "  return java.util.Collections.unmodifiableList(result.$name$_);\n"
-    "}\n"
-    "public int get$capitalized_name$Count() {\n"
-    "  return result.get$capitalized_name$Count();\n"
-    "}\n"
-    "public $type$ get$capitalized_name$(int index) {\n"
-    "  return result.get$capitalized_name$(index);\n"
-    "}\n"
-    "public Builder set$capitalized_name$(int index, $type$ value) {\n"
-    "$null_check$"
-    "  result.$name$_.set(index, value);\n"
-    "  return this;\n"
-    "}\n"
-    "public Builder add$capitalized_name$($type$ value) {\n"
-    "$null_check$"
-    "  if (result.$name$_.isEmpty()) {\n"
-    "    result.$name$_ = new java.util.ArrayList<$boxed_type$>();\n"
-    "  }\n"
-    "  result.$name$_.add(value);\n"
-    "  return this;\n"
-    "}\n"
-    "public Builder addAll$capitalized_name$(\n"
-    "    java.lang.Iterable<? extends $boxed_type$> values) {\n"
-    "  if (result.$name$_.isEmpty()) {\n"
-    "    result.$name$_ = new java.util.ArrayList<$boxed_type$>();\n"
-    "  }\n"
-    "  super.addAll(values, result.$name$_);\n"
-    "  return this;\n"
-    "}\n"
-    "public Builder clear$capitalized_name$() {\n"
-    "  result.$name$_ = java.util.Collections.emptyList();\n"
-    "  return this;\n"
-    "}\n");
-}
-
-void RepeatedPrimitiveFieldGenerator::
-GenerateInitializationCode(io::Printer* printer) const {
-  // Initialized inline.
-}
-
-void RepeatedPrimitiveFieldGenerator::
-GenerateMergingCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "if (!other.$name$_.isEmpty()) {\n"
-    "  if (result.$name$_.isEmpty()) {\n"
-    "    result.$name$_ = new java.util.ArrayList<$boxed_type$>();\n"
-    "  }\n"
-    "  result.$name$_.addAll(other.$name$_);\n"
-    "}\n");
-}
-
-void RepeatedPrimitiveFieldGenerator::
-GenerateBuildingCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "if (result.$name$_ != java.util.Collections.EMPTY_LIST) {\n"
-    "  result.$name$_ =\n"
-    "    java.util.Collections.unmodifiableList(result.$name$_);\n"
-    "}\n");
-}
-
-void RepeatedPrimitiveFieldGenerator::
-GenerateParsingCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "add$capitalized_name$(input.read$capitalized_type$());\n");
-}
-
-void RepeatedPrimitiveFieldGenerator::
-GenerateParsingCodeFromPacked(io::Printer* printer) const {
-  printer->Print(variables_,
-    "int length = input.readRawVarint32();\n"
-    "int limit = input.pushLimit(length);\n"
-    "while (input.getBytesUntilLimit() > 0) {\n"
-    "  add$capitalized_name$(input.read$capitalized_type$());\n"
-    "}\n"
-    "input.popLimit(limit);\n");
-}
-
-void RepeatedPrimitiveFieldGenerator::
-GenerateSerializationCode(io::Printer* printer) const {
-  if (descriptor_->options().packed()) {
-    printer->Print(variables_,
-      "if (get$capitalized_name$List().size() > 0) {\n"
-      "  output.writeRawVarint32($tag$);\n"
-      "  output.writeRawVarint32($name$MemoizedSerializedSize);\n"
-      "}\n"
-      "for ($type$ element : get$capitalized_name$List()) {\n"
-      "  output.write$capitalized_type$NoTag(element);\n"
-      "}\n");
-  } else {
-    printer->Print(variables_,
-      "for ($type$ element : get$capitalized_name$List()) {\n"
-      "  output.write$capitalized_type$($number$, element);\n"
-      "}\n");
-  }
-}
-
-void RepeatedPrimitiveFieldGenerator::
-GenerateSerializedSizeCode(io::Printer* printer) const {
-  printer->Print(variables_,
-    "{\n"
-    "  int dataSize = 0;\n");
-  printer->Indent();
-
-  if (FixedSize(GetType(descriptor_)) == -1) {
-    printer->Print(variables_,
-      "for ($type$ element : get$capitalized_name$List()) {\n"
-      "  dataSize += com.google.protobuf.CodedOutputStream\n"
-      "    .compute$capitalized_type$SizeNoTag(element);\n"
-      "}\n");
-  } else {
-    printer->Print(variables_,
-      "dataSize = $fixed_size$ * get$capitalized_name$List().size();\n");
-  }
-
-  printer->Print(
-      "size += dataSize;\n");
-
-  if (descriptor_->options().packed()) {
-    printer->Print(variables_,
-      "if (!get$capitalized_name$List().isEmpty()) {\n"
-      "  size += $tag_size$;\n"
-      "  size += com.google.protobuf.CodedOutputStream\n"
-      "      .computeInt32SizeNoTag(dataSize);\n"
-      "}\n");
-  } else {
-    printer->Print(variables_,
-      "size += $tag_size$ * get$capitalized_name$List().size();\n");
-  }
-
-  // cache the data size for packed fields.
-  if (descriptor_->options().packed()) {
-    printer->Print(variables_,
-      "$name$MemoizedSerializedSize = dataSize;\n");
-  }
-
-  printer->Outdent();
-  printer->Print("}\n");
-}
-
-string RepeatedPrimitiveFieldGenerator::GetBoxedType() const {
-  return BoxedPrimitiveTypeName(GetJavaType(descriptor_));
-}
-
-}  // namespace java
-}  // namespace compiler
-}  // namespace protobuf
-}  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/parser.cc b/common/protobuf-2.3.0/src/google/protobuf/compiler/parser.cc
deleted file mode 100644
index 758f70dc..00000000
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/parser.cc
+++ /dev/null
@@ -1,1130 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Author: kenton@google.com (Kenton Varda)
-//  Based on original Protocol Buffers design by
-//  Sanjay Ghemawat, Jeff Dean, and others.
-//
-// Recursive descent FTW.
-
-#include <float.h>
-#include <google/protobuf/stubs/hash.h>
-#include <limits>
-
-
-#include <google/protobuf/compiler/parser.h>
-#include <google/protobuf/descriptor.h>
-#include <google/protobuf/descriptor.pb.h>
-#include <google/protobuf/wire_format.h>
-#include <google/protobuf/io/tokenizer.h>
-#include <google/protobuf/stubs/common.h>
-#include <google/protobuf/stubs/strutil.h>
-#include <google/protobuf/stubs/map-util.h>
-
-namespace google {
-namespace protobuf {
-namespace compiler {
-
-using internal::WireFormat;
-
-namespace {
-
-typedef hash_map<string, FieldDescriptorProto::Type> TypeNameMap;
-
-TypeNameMap MakeTypeNameTable() {
-  TypeNameMap result;
-
-  result["double"  ] = FieldDescriptorProto::TYPE_DOUBLE;
-  result["float"   ] = FieldDescriptorProto::TYPE_FLOAT;
-  result["uint64"  ] = FieldDescriptorProto::TYPE_UINT64;
-  result["fixed64" ] = FieldDescriptorProto::TYPE_FIXED64;
-  result["fixed32" ] = FieldDescriptorProto::TYPE_FIXED32;
-  result["bool"    ] = FieldDescriptorProto::TYPE_BOOL;
-  result["string"  ] = FieldDescriptorProto::TYPE_STRING;
-  result["group"   ] = FieldDescriptorProto::TYPE_GROUP;
-
-  result["bytes"   ] = FieldDescriptorProto::TYPE_BYTES;
-  result["uint32"  ] = FieldDescriptorProto::TYPE_UINT32;
-  result["sfixed32"] = FieldDescriptorProto::TYPE_SFIXED32;
-  result["sfixed64"] = FieldDescriptorProto::TYPE_SFIXED64;
-  result["int32"   ] = FieldDescriptorProto::TYPE_INT32;
-  result["int64"   ] = FieldDescriptorProto::TYPE_INT64;
-  result["sint32"  ] = FieldDescriptorProto::TYPE_SINT32;
-  result["sint64"  ] = FieldDescriptorProto::TYPE_SINT64;
-
-  return result;
-}
-
-const TypeNameMap kTypeNames = MakeTypeNameTable();
-
-}  // anonymous namespace
-
-// Makes code slightly more readable.  The meaning of "DO(foo)" is
-// "Execute foo and fail if it fails.", where failure is indicated by
-// returning false.
-#define DO(STATEMENT) if (STATEMENT) {} else return false
-
-// ===================================================================
-
-Parser::Parser()
-  : input_(NULL),
-    error_collector_(NULL),
-    source_location_table_(NULL),
-    had_errors_(false),
-    require_syntax_identifier_(false),
-    stop_after_syntax_identifier_(false) {
-}
-
-Parser::~Parser() {
-}
-
-// ===================================================================
-
-inline bool Parser::LookingAt(const char* text) {
-  return input_->current().text == text;
-}
-
-inline bool Parser::LookingAtType(io::Tokenizer::TokenType token_type) {
-  return input_->current().type == token_type;
-}
-
-inline bool Parser::AtEnd() {
-  return LookingAtType(io::Tokenizer::TYPE_END);
-}
-
-bool Parser::TryConsume(const char* text) {
-  if (LookingAt(text)) {
-    input_->Next();
-    return true;
-  } else {
-    return false;
-  }
-}
-
-bool Parser::Consume(const char* text, const char* error) {
-  if (TryConsume(text)) {
-    return true;
-  } else {
-    AddError(error);
-    return false;
-  }
-}
-
-bool Parser::Consume(const char* text) {
-  if (TryConsume(text)) {
-    return true;
-  } else {
-    AddError("Expected \"" + string(text) + "\".");
-    return false;
-  }
-}
-
-bool Parser::ConsumeIdentifier(string* output, const char* error) {
-  if (LookingAtType(io::Tokenizer::TYPE_IDENTIFIER)) {
-    *output = input_->current().text;
-    input_->Next();
-    return true;
-  } else {
-    AddError(error);
-    return false;
-  }
-}
-
-bool Parser::ConsumeInteger(int* output, const char* error) {
-  if (LookingAtType(io::Tokenizer::TYPE_INTEGER)) {
-    uint64 value = 0;
-    if (!io::Tokenizer::ParseInteger(input_->current().text,
-                                     kint32max, &value)) {
-      AddError("Integer out of range.");
-      // We still return true because we did, in fact, parse an integer.
-    }
-    *output = value;
-    input_->Next();
-    return true;
-  } else {
-    AddError(error);
-    return false;
-  }
-}
-
-bool Parser::ConsumeInteger64(uint64 max_value, uint64* output,
-                              const char* error) {
-  if (LookingAtType(io::Tokenizer::TYPE_INTEGER)) {
-    if (!io::Tokenizer::ParseInteger(input_->current().text, max_value,
-                                     output)) {
-      AddError("Integer out of range.");
-      // We still return true because we did, in fact, parse an integer.
-      *output = 0;
-    }
-    input_->Next();
-    return true;
-  } else {
-    AddError(error);
-    return false;
-  }
-}
-
-bool Parser::ConsumeNumber(double* output, const char* error) {
-  if (LookingAtType(io::Tokenizer::TYPE_FLOAT)) {
-    *output = io::Tokenizer::ParseFloat(input_->current().text);
-    input_->Next();
-    return true;
-  } else if (LookingAtType(io::Tokenizer::TYPE_INTEGER)) {
-    // Also accept integers.
-    uint64 value = 0;
-    if (!io::Tokenizer::ParseInteger(input_->current().text,
-                                     kuint64max, &value)) {
-      AddError("Integer out of range.");
-      // We still return true because we did, in fact, parse a number.
-    }
-    *output = value;
-    input_->Next();
-    return true;
-  } else if (LookingAt("inf")) {
-    *output = numeric_limits<double>::infinity();
-    input_->Next();
-    return true;
-  } else if (LookingAt("nan")) {
-    *output = numeric_limits<double>::quiet_NaN();
-    input_->Next();
-    return true;
-  } else {
-    AddError(error);
-    return false;
-  }
-}
-
-bool Parser::ConsumeString(string* output, const char* error) {
-  if (LookingAtType(io::Tokenizer::TYPE_STRING)) {
-    io::Tokenizer::ParseString(input_->current().text, output);
-    input_->Next();
-    // Allow C++ like concatenation of adjacent string tokens.
-    while (LookingAtType(io::Tokenizer::TYPE_STRING)) {
-      io::Tokenizer::ParseStringAppend(input_->current().text, output);
-      input_->Next();
-    }
-    return true;
-  } else {
-    AddError(error);
-    return false;
-  }
-}
-
-// -------------------------------------------------------------------
-
-void Parser::AddError(int line, int column, const string& error) {
-  if (error_collector_ != NULL) {
-    error_collector_->AddError(line, column, error);
-  }
-  had_errors_ = true;
-}
-
-void Parser::AddError(const string& error) {
-  AddError(input_->current().line, input_->current().column, error);
-}
-
-void Parser::RecordLocation(
-    const Message* descriptor,
-    DescriptorPool::ErrorCollector::ErrorLocation location,
-    int line, int column) {
-  if (source_location_table_ != NULL) {
-    source_location_table_->Add(descriptor, location, line, column);
-  }
-}
-
-void Parser::RecordLocation(
-    const Message* descriptor,
-    DescriptorPool::ErrorCollector::ErrorLocation location) {
-  RecordLocation(descriptor, location,
-                 input_->current().line, input_->current().column);
-}
-
-// -------------------------------------------------------------------
-
-void Parser::SkipStatement() {
-  while (true) {
-    if (AtEnd()) {
-      return;
-    } else if (LookingAtType(io::Tokenizer::TYPE_SYMBOL)) {
-      if (TryConsume(";")) {
-        return;
-      } else if (TryConsume("{")) {
-        SkipRestOfBlock();
-        return;
-      } else if (LookingAt("}")) {
-        return;
-      }
-    }
-    input_->Next();
-  }
-}
-
-void Parser::SkipRestOfBlock() {
-  while (true) {
-    if (AtEnd()) {
-      return;
-    } else if (LookingAtType(io::Tokenizer::TYPE_SYMBOL)) {
-      if (TryConsume("}")) {
-        return;
-      } else if (TryConsume("{")) {
-        SkipRestOfBlock();
-      }
-    }
-    input_->Next();
-  }
-}
-
-// ===================================================================
-
-bool Parser::Parse(io::Tokenizer* input, FileDescriptorProto* file) {
-  input_ = input;
-  had_errors_ = false;
-  syntax_identifier_.clear();
-
-  if (LookingAtType(io::Tokenizer::TYPE_START)) {
-    // Advance to first token.
-    input_->Next();
-  }
-
-  if (require_syntax_identifier_ || LookingAt("syntax")) {
-    if (!ParseSyntaxIdentifier()) {
-      // Don't attempt to parse the file if we didn't recognize the syntax
-      // identifier.
-      return false;
-    }
-  } else if (!stop_after_syntax_identifier_) {
-    syntax_identifier_ = "proto2";
-  }
-
-  if (stop_after_syntax_identifier_) return !had_errors_;
-
-  // Repeatedly parse statements until we reach the end of the file.
-  while (!AtEnd()) {
-    if (!ParseTopLevelStatement(file)) {
-      // This statement failed to parse.  Skip it, but keep looping to parse
-      // other statements.
-      SkipStatement();
-
-      if (LookingAt("}")) {
-        AddError("Unmatched \"}\".");
-        input_->Next();
-      }
-    }
-  }
-
-  input_ = NULL;
-  return !had_errors_;
-}
-
-bool Parser::ParseSyntaxIdentifier() {
-  DO(Consume("syntax", "File must begin with 'syntax = \"proto2\";'."));
-  DO(Consume("="));
-  io::Tokenizer::Token syntax_token = input_->current();
-  string syntax;
-  DO(ConsumeString(&syntax, "Expected syntax identifier."));
-  DO(Consume(";"));
-
-  syntax_identifier_ = syntax;
-
-  if (syntax != "proto2" && !stop_after_syntax_identifier_) {
-    AddError(syntax_token.line, syntax_token.column,
-      "Unrecognized syntax identifier \"" + syntax + "\".  This parser "
-      "only recognizes \"proto2\".");
-    return false;
-  }
-
-  return true;
-}
-
-bool Parser::ParseTopLevelStatement(FileDescriptorProto* file) {
-  if (TryConsume(";")) {
-    // empty statement; ignore
-    return true;
-  } else if (LookingAt("message")) {
-    return ParseMessageDefinition(file->add_message_type());
-  } else if (LookingAt("enum")) {
-    return ParseEnumDefinition(file->add_enum_type());
-  } else if (LookingAt("service")) {
-    return ParseServiceDefinition(file->add_service());
-  } else if (LookingAt("extend")) {
-    return ParseExtend(file->mutable_extension(),
-                       file->mutable_message_type());
-  } else if (LookingAt("import")) {
-    return ParseImport(file->add_dependency());
-  } else if (LookingAt("package")) {
-    return ParsePackage(file);
-  } else if (LookingAt("option")) {
-    return ParseOption(file->mutable_options());
-  } else {
-    AddError("Expected top-level statement (e.g. \"message\").");
-    return false;
-  }
-}
-
-// -------------------------------------------------------------------
-// Messages
-
-bool Parser::ParseMessageDefinition(DescriptorProto* message) {
-  DO(Consume("message"));
-  RecordLocation(message, DescriptorPool::ErrorCollector::NAME);
-  DO(ConsumeIdentifier(message->mutable_name(), "Expected message name."));
-  DO(ParseMessageBlock(message));
-  return true;
-}
-
-bool Parser::ParseMessageBlock(DescriptorProto* message) {
-  DO(Consume("{"));
-
-  while (!TryConsume("}")) {
-    if (AtEnd()) {
-      AddError("Reached end of input in message definition (missing '}').");
-      return false;
-    }
-
-    if (!ParseMessageStatement(message)) {
-      // This statement failed to parse.  Skip it, but keep looping to parse
-      // other statements.
-      SkipStatement();
-    }
-  }
-
-  return true;
-}
-
-bool Parser::ParseMessageStatement(DescriptorProto* message) {
-  if (TryConsume(";")) {
-    // empty statement; ignore
-    return true;
-  } else if (LookingAt("message")) {
-    return ParseMessageDefinition(message->add_nested_type());
-  } else if (LookingAt("enum")) {
-    return ParseEnumDefinition(message->add_enum_type());
-  } else if (LookingAt("extensions")) {
-    return ParseExtensions(message);
-  } else if (LookingAt("extend")) {
-    return ParseExtend(message->mutable_extension(),
-                       message->mutable_nested_type());
-  } else if (LookingAt("option")) {
-    return ParseOption(message->mutable_options());
-  } else {
-    return ParseMessageField(message->add_field(),
-                             message->mutable_nested_type());
-  }
-}
-
-bool Parser::ParseMessageField(FieldDescriptorProto* field,
-                               RepeatedPtrField<DescriptorProto>* messages) {
-  // Parse label and type.
-  FieldDescriptorProto::Label label;
-  DO(ParseLabel(&label));
-  field->set_label(label);
-
-  RecordLocation(field, DescriptorPool::ErrorCollector::TYPE);
-  FieldDescriptorProto::Type type = FieldDescriptorProto::TYPE_INT32;
-  string type_name;
-  DO(ParseType(&type, &type_name));
-  if (type_name.empty()) {
-    field->set_type(type);
-  } else {
-    field->set_type_name(type_name);
-  }
-
-  // Parse name and '='.
-  RecordLocation(field, DescriptorPool::ErrorCollector::NAME);
-  io::Tokenizer::Token name_token = input_->current();
-  DO(ConsumeIdentifier(field->mutable_name(), "Expected field name."));
-  DO(Consume("=", "Missing field number."));
-
-  // Parse field number.
-  RecordLocation(field, DescriptorPool::ErrorCollector::NUMBER);
-  int number;
-  DO(ConsumeInteger(&number, "Expected field number."));
-  field->set_number(number);
-
-  // Parse options.
-  DO(ParseFieldOptions(field));
-
-  // Deal with groups.
-  if (type_name.empty() && type == FieldDescriptorProto::TYPE_GROUP) {
-    DescriptorProto* group = messages->Add();
-    group->set_name(field->name());
-    // Record name location to match the field name's location.
-    RecordLocation(group, DescriptorPool::ErrorCollector::NAME,
-                   name_token.line, name_token.column);
-
-    // As a hack for backwards-compatibility, we force the group name to start
-    // with a capital letter and lower-case the field name.  New code should
-    // not use groups; it should use nested messages.
-    if (group->name()[0] < 'A' || 'Z' < group->name()[0]) {
-      AddError(name_token.line, name_token.column,
-        "Group names must start with a capital letter.");
-    }
-    LowerString(field->mutable_name());
-
-    field->set_type_name(group->name());
-    if (LookingAt("{")) {
-      DO(ParseMessageBlock(group));
-    } else {
-      AddError("Missing group body.");
-      return false;
-    }
-  } else {
-    DO(Consume(";"));
-  }
-
-  return true;
-}
-
-bool Parser::ParseFieldOptions(FieldDescriptorProto* field) {
-  if (!TryConsume("[")) return true;
-
-  // Parse field options.
-  do {
-    if (LookingAt("default")) {
-      DO(ParseDefaultAssignment(field));
-    } else {
-      DO(ParseOptionAssignment(field->mutable_options()));
-    }
-  } while (TryConsume(","));
-
-  DO(Consume("]"));
-  return true;
-}
-
-bool Parser::ParseDefaultAssignment(FieldDescriptorProto* field) {
-  if (field->has_default_value()) {
-    AddError("Already set option \"default\".");
-    field->clear_default_value();
-  }
-
-  DO(Consume("default"));
-  DO(Consume("="));
-
-  RecordLocation(field, DescriptorPool::ErrorCollector::DEFAULT_VALUE);
-  string* default_value = field->mutable_default_value();
-
-  if (!field->has_type()) {
-    // The field has a type name, but we don't know if it is a message or an
-    // enum yet.  Assume an enum for now.
-    DO(ConsumeIdentifier(default_value, "Expected identifier."));
-    return true;
-  }
-
-  switch (field->type()) {
-    case FieldDescriptorProto::TYPE_INT32:
-    case FieldDescriptorProto::TYPE_INT64:
-    case FieldDescriptorProto::TYPE_SINT32:
-    case FieldDescriptorProto::TYPE_SINT64:
-    case FieldDescriptorProto::TYPE_SFIXED32:
-    case FieldDescriptorProto::TYPE_SFIXED64: {
-      uint64 max_value = kint64max;
-      if (field->type() == FieldDescriptorProto::TYPE_INT32 ||
-          field->type() == FieldDescriptorProto::TYPE_SINT32 ||
-          field->type() == FieldDescriptorProto::TYPE_SFIXED32) {
-        max_value = kint32max;
-      }
-
-      // These types can be negative.
-      if (TryConsume("-")) {
-        default_value->append("-");
-        // Two's complement always has one more negative value than positive.
-        ++max_value;
-      }
-      // Parse the integer to verify that it is not out-of-range.
-      uint64 value;
-      DO(ConsumeInteger64(max_value, &value, "Expected integer."));
-      // And stringify it again.
-      default_value->append(SimpleItoa(value));
-      break;
-    }
-
-    case FieldDescriptorProto::TYPE_UINT32:
-    case FieldDescriptorProto::TYPE_UINT64:
-    case FieldDescriptorProto::TYPE_FIXED32:
-    case FieldDescriptorProto::TYPE_FIXED64: {
-      uint64 max_value = kuint64max;
-      if (field->type() == FieldDescriptorProto::TYPE_UINT32 ||
-          field->type() == FieldDescriptorProto::TYPE_FIXED32) {
-        max_value = kuint32max;
-      }
-
-      // Numeric, not negative.
-      if (TryConsume("-")) {
-        AddError("Unsigned field can't have negative default value.");
-      }
-      // Parse the integer to verify that it is not out-of-range.
-      uint64 value;
-      DO(ConsumeInteger64(max_value, &value, "Expected integer."));
-      // And stringify it again.
-      default_value->append(SimpleItoa(value));
-      break;
-    }
-
-    case FieldDescriptorProto::TYPE_FLOAT:
-    case FieldDescriptorProto::TYPE_DOUBLE:
-      // These types can be negative.
-      if (TryConsume("-")) {
-        default_value->append("-");
-      }
-      // Parse the integer because we have to convert hex integers to decimal
-      // floats.
-      double value;
-      DO(ConsumeNumber(&value, "Expected number."));
-      // And stringify it again.
-      default_value->append(SimpleDtoa(value));
-      break;
-
-    case FieldDescriptorProto::TYPE_BOOL:
-      if (TryConsume("true")) {
-        default_value->assign("true");
-      } else if (TryConsume("false")) {
-        default_value->assign("false");
-      } else {
-        AddError("Expected \"true\" or \"false\".");
-        return false;
-      }
-      break;
-
-    case FieldDescriptorProto::TYPE_STRING:
-      DO(ConsumeString(default_value, "Expected string."));
-      break;
-
-    case FieldDescriptorProto::TYPE_BYTES:
-      DO(ConsumeString(default_value, "Expected string."));
-      *default_value = CEscape(*default_value);
-      break;
-
-    case FieldDescriptorProto::TYPE_ENUM:
-      DO(ConsumeIdentifier(default_value, "Expected identifier."));
-      break;
-
-    case FieldDescriptorProto::TYPE_MESSAGE:
-    case FieldDescriptorProto::TYPE_GROUP:
-      AddError("Messages can't have default values.");
-      return false;
-  }
-
-  return true;
-}
-
-bool Parser::ParseOptionNamePart(UninterpretedOption* uninterpreted_option) {
-  UninterpretedOption::NamePart* name = uninterpreted_option->add_name();
-  string identifier;  // We parse identifiers into this string.
-  if (LookingAt("(")) {  // This is an extension.
-    DO(Consume("("));
-    // An extension name consists of dot-separated identifiers, and may begin
-    // with a dot.
-    if (LookingAtType(io::Tokenizer::TYPE_IDENTIFIER)) {
-      DO(ConsumeIdentifier(&identifier, "Expected identifier."));
-      name->mutable_name_part()->append(identifier);
-    }
-    while (LookingAt(".")) {
-      DO(Consume("."));
-      name->mutable_name_part()->append(".");
-      DO(ConsumeIdentifier(&identifier, "Expected identifier."));
-      name->mutable_name_part()->append(identifier);
-    }
-    DO(Consume(")"));
-    name->set_is_extension(true);
-  } else {  // This is a regular field.
-    DO(ConsumeIdentifier(&identifier, "Expected identifier."));
-    name->mutable_name_part()->append(identifier);
-    name->set_is_extension(false);
-  }
-  return true;
-}
-
-// We don't interpret the option here. Instead we store it in an
-// UninterpretedOption, to be interpreted later.
-bool Parser::ParseOptionAssignment(Message* options) {
-  // Create an entry in the uninterpreted_option field.
-  const FieldDescriptor* uninterpreted_option_field = options->GetDescriptor()->
-      FindFieldByName("uninterpreted_option");
-  GOOGLE_CHECK(uninterpreted_option_field != NULL)
-      << "No field named \"uninterpreted_option\" in the Options proto.";
-
-  UninterpretedOption* uninterpreted_option = down_cast<UninterpretedOption*>(
-      options->GetReflection()->AddMessage(options,
-                                           uninterpreted_option_field));
-
-  // Parse dot-separated name.
-  RecordLocation(uninterpreted_option,
-                 DescriptorPool::ErrorCollector::OPTION_NAME);
-
-  DO(ParseOptionNamePart(uninterpreted_option));
-
-  while (LookingAt(".")) {
-    DO(Consume("."));
-    DO(ParseOptionNamePart(uninterpreted_option));
-  }
-
-  DO(Consume("="));
-
-  RecordLocation(uninterpreted_option,
-                 DescriptorPool::ErrorCollector::OPTION_VALUE);
-
-  // All values are a single token, except for negative numbers, which consist
-  // of a single '-' symbol, followed by a positive number.
-  bool is_negative = TryConsume("-");
-
-  switch (input_->current().type) {
-    case io::Tokenizer::TYPE_START:
-      GOOGLE_LOG(FATAL) << "Trying to read value before any tokens have been read.";
-      return false;
-
-    case io::Tokenizer::TYPE_END:
-      AddError("Unexpected end of stream while parsing option value.");
-      return false;
-
-    case io::Tokenizer::TYPE_IDENTIFIER: {
-      if (is_negative) {
-        AddError("Invalid '-' symbol before identifier.");
-        return false;
-      }
-      string value;
-      DO(ConsumeIdentifier(&value, "Expected identifier."));
-      uninterpreted_option->set_identifier_value(value);
-      break;
-    }
-
-    case io::Tokenizer::TYPE_INTEGER: {
-      uint64 value;
-      uint64 max_value =
-          is_negative ? static_cast<uint64>(kint64max) + 1 : kuint64max;
-      DO(ConsumeInteger64(max_value, &value, "Expected integer."));
-      if (is_negative) {
-        uninterpreted_option->set_negative_int_value(-value);
-      } else {
-        uninterpreted_option->set_positive_int_value(value);
-      }
-      break;
-    }
-
-    case io::Tokenizer::TYPE_FLOAT: {
-      double value;
-      DO(ConsumeNumber(&value, "Expected number."));
-      uninterpreted_option->set_double_value(is_negative ? -value : value);
-      break;
-    }
-
-    case io::Tokenizer::TYPE_STRING: {
-      if (is_negative) {
-        AddError("Invalid '-' symbol before string.");
-        return false;
-      }
-      string value;
-      DO(ConsumeString(&value, "Expected string."));
-      uninterpreted_option->set_string_value(value);
-      break;
-    }
-
-    case io::Tokenizer::TYPE_SYMBOL:
-      AddError("Expected option value.");
-      return false;
-  }
-
-  return true;
-}
-
-bool Parser::ParseExtensions(DescriptorProto* message) {
-  // Parse the declaration.
-  DO(Consume("extensions"));
-
-  do {
-    DescriptorProto::ExtensionRange* range = message->add_extension_range();
-    RecordLocation(range, DescriptorPool::ErrorCollector::NUMBER);
-
-    int start, end;
-    DO(ConsumeInteger(&start, "Expected field number range."));
-
-    if (TryConsume("to")) {
-      if (TryConsume("max")) {
-        end = FieldDescriptor::kMaxNumber;
-      } else {
-        DO(ConsumeInteger(&end, "Expected integer."));
-      }
-    } else {
-      end = start;
-    }
-
-    // Users like to specify inclusive ranges, but in code we like the end
-    // number to be exclusive.
-    ++end;
-
-    range->set_start(start);
-    range->set_end(end);
-  } while (TryConsume(","));
-
-  DO(Consume(";"));
-  return true;
-}
-
-bool Parser::ParseExtend(RepeatedPtrField<FieldDescriptorProto>* extensions,
-                         RepeatedPtrField<DescriptorProto>* messages) {
-  DO(Consume("extend"));
-
-  // We expect to see at least one extension field defined in the extend block.
-  // We need to create it now so we can record the extendee's location.
-  FieldDescriptorProto* first_field = extensions->Add();
-
-  // Parse the extendee type.
-  RecordLocation(first_field, DescriptorPool::ErrorCollector::EXTENDEE);
-  DO(ParseUserDefinedType(first_field->mutable_extendee()));
-
-  // Parse the block.
-  DO(Consume("{"));
-
-  bool is_first = true;
-
-  do {
-    if (AtEnd()) {
-      AddError("Reached end of input in extend definition (missing '}').");
-      return false;
-    }
-
-    FieldDescriptorProto* field;
-    if (is_first) {
-      field = first_field;
-      is_first = false;
-    } else {
-      field = extensions->Add();
-      field->set_extendee(first_field->extendee());
-    }
-
-    if (!ParseMessageField(field, messages)) {
-      // This statement failed to parse.  Skip it, but keep looping to parse
-      // other statements.
-      SkipStatement();
-    }
-  } while(!TryConsume("}"));
-
-  return true;
-}
-
-// -------------------------------------------------------------------
-// Enums
-
-bool Parser::ParseEnumDefinition(EnumDescriptorProto* enum_type) {
-  DO(Consume("enum"));
-  RecordLocation(enum_type, DescriptorPool::ErrorCollector::NAME);
-  DO(ConsumeIdentifier(enum_type->mutable_name(), "Expected enum name."));
-  DO(ParseEnumBlock(enum_type));
-  return true;
-}
-
-bool Parser::ParseEnumBlock(EnumDescriptorProto* enum_type) {
-  DO(Consume("{"));
-
-  while (!TryConsume("}")) {
-    if (AtEnd()) {
-      AddError("Reached end of input in enum definition (missing '}').");
-      return false;
-    }
-
-    if (!ParseEnumStatement(enum_type)) {
-      // This statement failed to parse.  Skip it, but keep looping to parse
-      // other statements.
-      SkipStatement();
-    }
-  }
-
-  return true;
-}
-
-bool Parser::ParseEnumStatement(EnumDescriptorProto* enum_type) {
-  if (TryConsume(";")) {
-    // empty statement; ignore
-    return true;
-  } else if (LookingAt("option")) {
-    return ParseOption(enum_type->mutable_options());
-  } else {
-    return ParseEnumConstant(enum_type->add_value());
-  }
-}
-
-bool Parser::ParseEnumConstant(EnumValueDescriptorProto* enum_value) {
-  RecordLocation(enum_value, DescriptorPool::ErrorCollector::NAME);
-  DO(ConsumeIdentifier(enum_value->mutable_name(),
-                       "Expected enum constant name."));
-  DO(Consume("=", "Missing numeric value for enum constant."));
-
-  bool is_negative = TryConsume("-");
-  int number;
-  DO(ConsumeInteger(&number, "Expected integer."));
-  if (is_negative) number *= -1;
-  enum_value->set_number(number);
-
-  DO(ParseEnumConstantOptions(enum_value));
-
-  DO(Consume(";"));
-
-  return true;
-}
-
-bool Parser::ParseEnumConstantOptions(EnumValueDescriptorProto* value) {
-  if (!TryConsume("[")) return true;
-
-  do {
-    DO(ParseOptionAssignment(value->mutable_options()));
-  } while (TryConsume(","));
-
-  DO(Consume("]"));
-  return true;
-}
-
-// -------------------------------------------------------------------
-// Services
-
-bool Parser::ParseServiceDefinition(ServiceDescriptorProto* service) {
-  DO(Consume("service"));
-  RecordLocation(service, DescriptorPool::ErrorCollector::NAME);
-  DO(ConsumeIdentifier(service->mutable_name(), "Expected service name."));
-  DO(ParseServiceBlock(service));
-  return true;
-}
-
-bool Parser::ParseServiceBlock(ServiceDescriptorProto* service) {
-  DO(Consume("{"));
-
-  while (!TryConsume("}")) {
-    if (AtEnd()) {
-      AddError("Reached end of input in service definition (missing '}').");
-      return false;
-    }
-
-    if (!ParseServiceStatement(service)) {
-      // This statement failed to parse.  Skip it, but keep looping to parse
-      // other statements.
-      SkipStatement();
-    }
-  }
-
-  return true;
-}
-
-bool Parser::ParseServiceStatement(ServiceDescriptorProto* service) {
-  if (TryConsume(";")) {
-    // empty statement; ignore
-    return true;
-  } else if (LookingAt("option")) {
-    return ParseOption(service->mutable_options());
-  } else {
-    return ParseServiceMethod(service->add_method());
-  }
-}
-
-bool Parser::ParseServiceMethod(MethodDescriptorProto* method) {
-  DO(Consume("rpc"));
-  RecordLocation(method, DescriptorPool::ErrorCollector::NAME);
-  DO(ConsumeIdentifier(method->mutable_name(), "Expected method name."));
-
-  // Parse input type.
-  DO(Consume("("));
-  RecordLocation(method, DescriptorPool::ErrorCollector::INPUT_TYPE);
-  DO(ParseUserDefinedType(method->mutable_input_type()));
-  DO(Consume(")"));
-
-  // Parse output type.
-  DO(Consume("returns"));
-  DO(Consume("("));
-  RecordLocation(method, DescriptorPool::ErrorCollector::OUTPUT_TYPE);
-  DO(ParseUserDefinedType(method->mutable_output_type()));
-  DO(Consume(")"));
-
-  if (TryConsume("{")) {
-    // Options!
-    while (!TryConsume("}")) {
-      if (AtEnd()) {
-        AddError("Reached end of input in method options (missing '}').");
-        return false;
-      }
-
-      if (TryConsume(";")) {
-        // empty statement; ignore
-      } else {
-        if (!ParseOption(method->mutable_options())) {
-          // This statement failed to parse.  Skip it, but keep looping to
-          // parse other statements.
-          SkipStatement();
-        }
-      }
-    }
-  } else {
-    DO(Consume(";"));
-  }
-
-  return true;
-}
-
-// -------------------------------------------------------------------
-
-bool Parser::ParseLabel(FieldDescriptorProto::Label* label) {
-  if (TryConsume("optional")) {
-    *label = FieldDescriptorProto::LABEL_OPTIONAL;
-    return true;
-  } else if (TryConsume("repeated")) {
-    *label = FieldDescriptorProto::LABEL_REPEATED;
-    return true;
-  } else if (TryConsume("required")) {
-    *label = FieldDescriptorProto::LABEL_REQUIRED;
-    return true;
-  } else {
-    AddError("Expected \"required\", \"optional\", or \"repeated\".");
-    // We can actually reasonably recover here by just assuming the user
-    // forgot the label altogether.
-    *label = FieldDescriptorProto::LABEL_OPTIONAL;
-    return true;
-  }
-}
-
-bool Parser::ParseType(FieldDescriptorProto::Type* type,
-                       string* type_name) {
-  TypeNameMap::const_iterator iter = kTypeNames.find(input_->current().text);
-  if (iter != kTypeNames.end()) {
-    *type = iter->second;
-    input_->Next();
-  } else {
-    DO(ParseUserDefinedType(type_name));
-  }
-  return true;
-}
-
-bool Parser::ParseUserDefinedType(string* type_name) {
-  type_name->clear();
-
-  TypeNameMap::const_iterator iter = kTypeNames.find(input_->current().text);
-  if (iter != kTypeNames.end()) {
-    // Note:  The only place enum types are allowed is for field types, but
-    //   if we are parsing a field type then we would not get here because
-    //   primitives are allowed there as well.  So this error message doesn't
-    //   need to account for enums.
-    AddError("Expected message type.");
-
-    // Pretend to accept this type so that we can go on parsing.
-    *type_name = input_->current().text;
-    input_->Next();
-    return true;
-  }
-
-  // A leading "." means the name is fully-qualified.
-  if (TryConsume(".")) type_name->append(".");
-
-  // Consume the first part of the name.
-  string identifier;
-  DO(ConsumeIdentifier(&identifier, "Expected type name."));
-  type_name->append(identifier);
-
-  // Consume more parts.
-  while (TryConsume(".")) {
-    type_name->append(".");
-    DO(ConsumeIdentifier(&identifier, "Expected identifier."));
-    type_name->append(identifier);
-  }
-
-  return true;
-}
-
-// ===================================================================
-
-bool Parser::ParsePackage(FileDescriptorProto* file) {
-  if (file->has_package()) {
-    AddError("Multiple package definitions.");
-    // Don't append the new package to the old one.  Just replace it.  Not
-    // that it really matters since this is an error anyway.
-    file->clear_package();
-  }
-
-  DO(Consume("package"));
-
-  RecordLocation(file, DescriptorPool::ErrorCollector::NAME);
-
-  while (true) {
-    string identifier;
-    DO(ConsumeIdentifier(&identifier, "Expected identifier."));
-    file->mutable_package()->append(identifier);
-    if (!TryConsume(".")) break;
-    file->mutable_package()->append(".");
-  }
-
-  DO(Consume(";"));
-  return true;
-}
-
-bool Parser::ParseImport(string* import_filename) {
-  DO(Consume("import"));
-  DO(ConsumeString(import_filename,
-    "Expected a string naming the file to import."));
-  DO(Consume(";"));
-  return true;
-}
-
-bool Parser::ParseOption(Message* options) {
-  DO(Consume("option"));
-  DO(ParseOptionAssignment(options));
-  DO(Consume(";"));
-  return true;
-}
-
-// ===================================================================
-
-SourceLocationTable::SourceLocationTable() {}
-SourceLocationTable::~SourceLocationTable() {}
-
-bool SourceLocationTable::Find(
-    const Message* descriptor,
-    DescriptorPool::ErrorCollector::ErrorLocation location,
-    int* line, int* column) const {
-  const pair<int, int>* result =
-    FindOrNull(location_map_, make_pair(descriptor, location));
-  if (result == NULL) {
-    *line   = -1;
-    *column = 0;
-    return false;
-  } else {
-    *line   = result->first;
-    *column = result->second;
-    return true;
-  }
-}
-
-void SourceLocationTable::Add(
-    const Message* descriptor,
-    DescriptorPool::ErrorCollector::ErrorLocation location,
-    int line, int column) {
-  location_map_[make_pair(descriptor, location)] = make_pair(line, column);
-}
-
-void SourceLocationTable::Clear() {
-  location_map_.clear();
-}
-
-}  // namespace compiler
-}  // namespace protobuf
-}  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/testdata/golden_message b/common/protobuf-2.3.0/src/google/protobuf/testdata/golden_message
deleted file mode 100644
index 94898e494a4103086e83b2d53f1d9e5e0265017a..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 487
zcmXxfKTK0m6bA5nzH?tGo1-HmBk#|Bn@P1ZgJH#iL1+LOG@vrQD8q|WDI`1#B$cTl
z6j~-iQfZw8Y_tsn0&yS?#K}a4j+|S|$<6P6=icF-n|}Ua^5N7_Zn#4uXY^=BDfM_(
zur>NZcske1N<CBR*OQ6=&3Gn9FWGg?q7c5PnC6$LKu9kXh1Xlcn=)~gQU^5nh1m6i
z6RYXcF?Fee2qzR_7covL#vbzcMtM|`pvVcXbqO0>!f#!{cX_b_pOmWMM}L$W0_knl
z(e7!aZ=%yXvnlM~x1iKmR*crOZOKy6bml(2%AAAFp{~K6Yee5Qe{2p#-wpqvi=T80
zyVr4xcg*PvvVO(~@sg}ZD2P{NZ6IM;Tw<rhsWPX_Jh;#7d4cGA!J*AY^gVOK%lwxM
z+~pOH^eV@CJC)ZvsZG5m(|^)Q{|^=YQBqA8`+Z%jsFiK%-ftRjGhempXbxO+VGU!4
Q@{UfNfh~svFW9!4J7pVk*Z=?k

diff --git a/common/protobuf-2.3.0/src/Makefile.am b/common/protobuf-2.5.0/src/Makefile.am
similarity index 77%
rename from common/protobuf-2.3.0/src/Makefile.am
rename to common/protobuf-2.5.0/src/Makefile.am
index 35f5c0c5..df733d9b 100644
--- a/common/protobuf-2.3.0/src/Makefile.am
+++ b/common/protobuf-2.5.0/src/Makefile.am
@@ -37,54 +37,70 @@ CLEANFILES = $(protoc_outputs) unittest_proto_middleman \
 MAINTAINERCLEANFILES =   \
   Makefile.in
 
-nobase_include_HEADERS =                                       \
-  google/protobuf/stubs/common.h                               \
-  google/protobuf/stubs/once.h                                 \
-  google/protobuf/descriptor.h                                 \
-  google/protobuf/descriptor.pb.h                              \
-  google/protobuf/descriptor_database.h                        \
-  google/protobuf/dynamic_message.h                            \
-  google/protobuf/extension_set.h                              \
-  google/protobuf/generated_message_util.h                     \
-  google/protobuf/generated_message_reflection.h               \
-  google/protobuf/message.h                                    \
-  google/protobuf/message_lite.h                               \
-  google/protobuf/reflection_ops.h                             \
-  google/protobuf/repeated_field.h                             \
-  google/protobuf/service.h                                    \
-  google/protobuf/text_format.h                                \
-  google/protobuf/unknown_field_set.h                          \
-  google/protobuf/wire_format.h                                \
-  google/protobuf/wire_format_lite.h                           \
-  google/protobuf/wire_format_lite_inl.h                       \
-  google/protobuf/io/coded_stream.h                            \
-  $(GZHEADERS)                                                 \
-  google/protobuf/io/printer.h                                 \
-  google/protobuf/io/tokenizer.h                               \
-  google/protobuf/io/zero_copy_stream.h                        \
-  google/protobuf/io/zero_copy_stream_impl.h                   \
-  google/protobuf/io/zero_copy_stream_impl_lite.h              \
-  google/protobuf/compiler/code_generator.h                    \
-  google/protobuf/compiler/command_line_interface.h            \
-  google/protobuf/compiler/importer.h                          \
-  google/protobuf/compiler/parser.h                            \
-  google/protobuf/compiler/plugin.h                            \
-  google/protobuf/compiler/plugin.pb.h                         \
-  google/protobuf/compiler/cpp/cpp_generator.h                 \
-  google/protobuf/compiler/java/java_generator.h               \
+nobase_include_HEADERS =                                        \
+  google/protobuf/stubs/atomicops.h                             \
+  google/protobuf/stubs/atomicops_internals_arm_gcc.h           \
+  google/protobuf/stubs/atomicops_internals_arm_qnx.h           \
+  google/protobuf/stubs/atomicops_internals_atomicword_compat.h \
+  google/protobuf/stubs/atomicops_internals_macosx.h            \
+  google/protobuf/stubs/atomicops_internals_mips_gcc.h          \
+  google/protobuf/stubs/atomicops_internals_pnacl.h             \
+  google/protobuf/stubs/atomicops_internals_x86_gcc.h           \
+  google/protobuf/stubs/atomicops_internals_x86_msvc.h          \
+  google/protobuf/stubs/common.h                                \
+  google/protobuf/stubs/platform_macros.h                       \
+  google/protobuf/stubs/once.h                                  \
+  google/protobuf/stubs/template_util.h                         \
+  google/protobuf/stubs/type_traits.h                           \
+  google/protobuf/descriptor.h                                  \
+  google/protobuf/descriptor.pb.h                               \
+  google/protobuf/descriptor_database.h                         \
+  google/protobuf/dynamic_message.h                             \
+  google/protobuf/extension_set.h                               \
+  google/protobuf/generated_enum_reflection.h                   \
+  google/protobuf/generated_message_util.h                      \
+  google/protobuf/generated_message_reflection.h                \
+  google/protobuf/message.h                                     \
+  google/protobuf/message_lite.h                                \
+  google/protobuf/reflection_ops.h                              \
+  google/protobuf/repeated_field.h                              \
+  google/protobuf/service.h                                     \
+  google/protobuf/text_format.h                                 \
+  google/protobuf/unknown_field_set.h                           \
+  google/protobuf/wire_format.h                                 \
+  google/protobuf/wire_format_lite.h                            \
+  google/protobuf/wire_format_lite_inl.h                        \
+  google/protobuf/io/coded_stream.h                             \
+  $(GZHEADERS)                                                  \
+  google/protobuf/io/printer.h                                  \
+  google/protobuf/io/tokenizer.h                                \
+  google/protobuf/io/zero_copy_stream.h                         \
+  google/protobuf/io/zero_copy_stream_impl.h                    \
+  google/protobuf/io/zero_copy_stream_impl_lite.h               \
+  google/protobuf/compiler/code_generator.h                     \
+  google/protobuf/compiler/command_line_interface.h             \
+  google/protobuf/compiler/importer.h                           \
+  google/protobuf/compiler/parser.h                             \
+  google/protobuf/compiler/plugin.h                             \
+  google/protobuf/compiler/plugin.pb.h                          \
+  google/protobuf/compiler/cpp/cpp_generator.h                  \
+  google/protobuf/compiler/java/java_generator.h                \
   google/protobuf/compiler/python/python_generator.h
 
 lib_LTLIBRARIES = libprotobuf-lite.la libprotobuf.la libprotoc.la
 
 libprotobuf_lite_la_LIBADD = $(PTHREAD_LIBS)
-libprotobuf_lite_la_LDFLAGS = -version-info 6:0:0 -export-dynamic -no-undefined
+libprotobuf_lite_la_LDFLAGS = -version-info 8:0:0 -export-dynamic -no-undefined
 libprotobuf_lite_la_SOURCES =                                  \
+  google/protobuf/stubs/atomicops_internals_x86_gcc.cc         \
+  google/protobuf/stubs/atomicops_internals_x86_msvc.cc        \
   google/protobuf/stubs/common.cc                              \
   google/protobuf/stubs/once.cc                                \
-  google/protobuf/stubs/hash.cc                                \
   google/protobuf/stubs/hash.h                                 \
   google/protobuf/stubs/map-util.h                             \
-  google/protobuf/stubs/stl_util-inl.h                         \
+  google/protobuf/stubs/stl_util.h                             \
+  google/protobuf/stubs/stringprintf.cc                        \
+  google/protobuf/stubs/stringprintf.h                         \
   google/protobuf/extension_set.cc                             \
   google/protobuf/generated_message_util.cc                    \
   google/protobuf/message_lite.cc                              \
@@ -96,7 +112,7 @@ libprotobuf_lite_la_SOURCES =                                  \
   google/protobuf/io/zero_copy_stream_impl_lite.cc
 
 libprotobuf_la_LIBADD = $(PTHREAD_LIBS)
-libprotobuf_la_LDFLAGS = -version-info 6:0:0 -export-dynamic -no-undefined
+libprotobuf_la_LDFLAGS = -version-info 8:0:0 -export-dynamic -no-undefined
 libprotobuf_la_SOURCES =                                       \
   $(libprotobuf_lite_la_SOURCES)                               \
   google/protobuf/stubs/strutil.cc                             \
@@ -124,7 +140,7 @@ libprotobuf_la_SOURCES =                                       \
   google/protobuf/compiler/parser.cc
 
 libprotoc_la_LIBADD = $(PTHREAD_LIBS) libprotobuf.la
-libprotoc_la_LDFLAGS = -version-info 6:0:0 -export-dynamic -no-undefined
+libprotoc_la_LDFLAGS = -version-info 8:0:0 -export-dynamic -no-undefined
 libprotoc_la_SOURCES =                                         \
   google/protobuf/compiler/code_generator.cc                   \
   google/protobuf/compiler/command_line_interface.cc           \
@@ -151,6 +167,7 @@ libprotoc_la_SOURCES =                                         \
   google/protobuf/compiler/cpp/cpp_message.h                   \
   google/protobuf/compiler/cpp/cpp_message_field.cc            \
   google/protobuf/compiler/cpp/cpp_message_field.h             \
+  google/protobuf/compiler/cpp/cpp_options.h                   \
   google/protobuf/compiler/cpp/cpp_primitive_field.cc          \
   google/protobuf/compiler/cpp/cpp_primitive_field.h           \
   google/protobuf/compiler/cpp/cpp_service.cc                  \
@@ -178,6 +195,10 @@ libprotoc_la_SOURCES =                                         \
   google/protobuf/compiler/java/java_primitive_field.h         \
   google/protobuf/compiler/java/java_service.cc                \
   google/protobuf/compiler/java/java_service.h                 \
+  google/protobuf/compiler/java/java_string_field.cc           \
+  google/protobuf/compiler/java/java_string_field.h            \
+  google/protobuf/compiler/java/java_doc_comment.cc            \
+  google/protobuf/compiler/java/java_doc_comment.h             \
   google/protobuf/compiler/python/python_generator.cc
 
 bin_PROGRAMS = protoc
@@ -190,12 +211,14 @@ protoc_inputs =                                                \
   google/protobuf/unittest.proto                               \
   google/protobuf/unittest_empty.proto                         \
   google/protobuf/unittest_import.proto                        \
+  google/protobuf/unittest_import_public.proto                 \
   google/protobuf/unittest_mset.proto                          \
   google/protobuf/unittest_optimize_for.proto                  \
   google/protobuf/unittest_embed_optimize_for.proto            \
   google/protobuf/unittest_custom_options.proto                \
   google/protobuf/unittest_lite.proto                          \
   google/protobuf/unittest_import_lite.proto                   \
+  google/protobuf/unittest_import_public_lite.proto            \
   google/protobuf/unittest_lite_imports_nonlite.proto          \
   google/protobuf/unittest_no_generic_services.proto           \
   google/protobuf/compiler/cpp/cpp_test_bad_identifiers.proto
@@ -219,7 +242,9 @@ protoc_lite_outputs =                                          \
   google/protobuf/unittest_lite.pb.cc                          \
   google/protobuf/unittest_lite.pb.h                           \
   google/protobuf/unittest_import_lite.pb.cc                   \
-  google/protobuf/unittest_import_lite.pb.h
+  google/protobuf/unittest_import_lite.pb.h                    \
+  google/protobuf/unittest_import_public_lite.pb.cc            \
+  google/protobuf/unittest_import_public_lite.pb.h
 
 protoc_outputs =                                               \
   $(protoc_lite_outputs)                                       \
@@ -229,6 +254,8 @@ protoc_outputs =                                               \
   google/protobuf/unittest_empty.pb.h                          \
   google/protobuf/unittest_import.pb.cc                        \
   google/protobuf/unittest_import.pb.h                         \
+  google/protobuf/unittest_import_public.pb.cc                 \
+  google/protobuf/unittest_import_public.pb.h                  \
   google/protobuf/unittest_mset.pb.cc                          \
   google/protobuf/unittest_mset.pb.h                           \
   google/protobuf/unittest_optimize_for.pb.cc                  \
@@ -289,6 +316,9 @@ protobuf_test_SOURCES =                                        \
   google/protobuf/stubs/once_unittest.cc                       \
   google/protobuf/stubs/strutil_unittest.cc                    \
   google/protobuf/stubs/structurally_valid_unittest.cc         \
+  google/protobuf/stubs/stringprintf_unittest.cc               \
+  google/protobuf/stubs/template_util_unittest.cc              \
+  google/protobuf/stubs/type_traits_unittest.cc                \
   google/protobuf/descriptor_database_unittest.cc              \
   google/protobuf/descriptor_unittest.cc                       \
   google/protobuf/dynamic_message_unittest.cc                  \
@@ -297,6 +327,7 @@ protobuf_test_SOURCES =                                        \
   google/protobuf/message_unittest.cc                          \
   google/protobuf/reflection_ops_unittest.cc                   \
   google/protobuf/repeated_field_unittest.cc                   \
+  google/protobuf/repeated_field_reflection_unittest.cc        \
   google/protobuf/text_format_unittest.cc                      \
   google/protobuf/unknown_field_set_unittest.cc                \
   google/protobuf/wire_format_unittest.cc                      \
@@ -310,9 +341,11 @@ protobuf_test_SOURCES =                                        \
   google/protobuf/compiler/mock_code_generator.h               \
   google/protobuf/compiler/parser_unittest.cc                  \
   google/protobuf/compiler/cpp/cpp_bootstrap_unittest.cc       \
+  google/protobuf/compiler/cpp/cpp_unittest.h                  \
   google/protobuf/compiler/cpp/cpp_unittest.cc                 \
   google/protobuf/compiler/cpp/cpp_plugin_unittest.cc          \
   google/protobuf/compiler/java/java_plugin_unittest.cc        \
+  google/protobuf/compiler/java/java_doc_comment_unittest.cc   \
   google/protobuf/compiler/python/python_plugin_unittest.cc    \
   $(COMMON_TEST_SOURCES)
 nodist_protobuf_test_SOURCES = $(protoc_outputs)
diff --git a/common/protobuf-2.3.0/src/Makefile.in b/common/protobuf-2.5.0/src/Makefile.in
similarity index 68%
rename from common/protobuf-2.3.0/src/Makefile.in
rename to common/protobuf-2.5.0/src/Makefile.in
index daf81af0..43d96cea 100644
--- a/common/protobuf-2.3.0/src/Makefile.in
+++ b/common/protobuf-2.5.0/src/Makefile.in
@@ -1,8 +1,9 @@
-# Makefile.in generated by automake 1.10.1 from Makefile.am.
+# Makefile.in generated by automake 1.11.3 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software
+# Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -19,8 +20,9 @@
 
 VPATH = @srcdir@
 pkgdatadir = $(datadir)/@PACKAGE@
-pkglibdir = $(libdir)/@PACKAGE@
 pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
 am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
 install_sh_DATA = $(install_sh) -c -m 644
 install_sh_PROGRAM = $(install_sh) -c
@@ -61,30 +63,55 @@ am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 mkinstalldirs = $(install_sh) -d
 CONFIG_HEADER = $(top_builddir)/config.h
 CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
 am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
 am__vpath_adj = case $$p in \
     $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
     *) f=$$p;; \
   esac;
-am__strip_dir = `echo $$p | sed -e 's|^.*/||'`;
+am__strip_dir = f=`echo $$p | sed -e 's|^.*/||'`;
+am__install_max = 40
+am__nobase_strip_setup = \
+  srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*|]/\\\\&/g'`
+am__nobase_strip = \
+  for p in $$list; do echo "$$p"; done | sed -e "s|$$srcdirstrip/||"
+am__nobase_list = $(am__nobase_strip_setup); \
+  for p in $$list; do echo "$$p $$p"; done | \
+  sed "s| $$srcdirstrip/| |;"' / .*\//!s/ .*/ ./; s,\( .*\)/[^/]*$$,\1,' | \
+  $(AWK) 'BEGIN { files["."] = "" } { files[$$2] = files[$$2] " " $$1; \
+    if (++n[$$2] == $(am__install_max)) \
+      { print $$2, files[$$2]; n[$$2] = 0; files[$$2] = "" } } \
+    END { for (dir in files) print dir, files[dir] }'
+am__base_list = \
+  sed '$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;s/\n/ /g' | \
+  sed '$$!N;$$!N;$$!N;$$!N;s/\n/ /g'
+am__uninstall_files_from_dir = { \
+  test -z "$$files" \
+    || { test ! -d "$$dir" && test ! -f "$$dir" && test ! -r "$$dir"; } \
+    || { echo " ( cd '$$dir' && rm -f" $$files ")"; \
+         $(am__cd) "$$dir" && rm -f $$files; }; \
+  }
 am__installdirs = "$(DESTDIR)$(libdir)" "$(DESTDIR)$(bindir)" \
 	"$(DESTDIR)$(protodir)" "$(DESTDIR)$(includedir)"
-libLTLIBRARIES_INSTALL = $(INSTALL)
 LTLIBRARIES = $(lib_LTLIBRARIES)
 am__DEPENDENCIES_1 =
 libprotobuf_lite_la_DEPENDENCIES = $(am__DEPENDENCIES_1)
-am_libprotobuf_lite_la_OBJECTS = common.lo once.lo hash.lo \
-	extension_set.lo generated_message_util.lo message_lite.lo \
-	repeated_field.lo wire_format_lite.lo coded_stream.lo \
-	zero_copy_stream.lo zero_copy_stream_impl_lite.lo
+am_libprotobuf_lite_la_OBJECTS = atomicops_internals_x86_gcc.lo \
+	atomicops_internals_x86_msvc.lo common.lo once.lo \
+	stringprintf.lo extension_set.lo generated_message_util.lo \
+	message_lite.lo repeated_field.lo wire_format_lite.lo \
+	coded_stream.lo zero_copy_stream.lo \
+	zero_copy_stream_impl_lite.lo
 libprotobuf_lite_la_OBJECTS = $(am_libprotobuf_lite_la_OBJECTS)
 libprotobuf_lite_la_LINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) \
 	$(LIBTOOLFLAGS) --mode=link $(CXXLD) $(AM_CXXFLAGS) \
 	$(CXXFLAGS) $(libprotobuf_lite_la_LDFLAGS) $(LDFLAGS) -o $@
 libprotobuf_la_DEPENDENCIES = $(am__DEPENDENCIES_1)
-am__objects_1 = common.lo once.lo hash.lo extension_set.lo \
-	generated_message_util.lo message_lite.lo repeated_field.lo \
-	wire_format_lite.lo coded_stream.lo zero_copy_stream.lo \
+am__objects_1 = atomicops_internals_x86_gcc.lo \
+	atomicops_internals_x86_msvc.lo common.lo once.lo \
+	stringprintf.lo extension_set.lo generated_message_util.lo \
+	message_lite.lo repeated_field.lo wire_format_lite.lo \
+	coded_stream.lo zero_copy_stream.lo \
 	zero_copy_stream_impl_lite.lo
 am_libprotobuf_la_OBJECTS = $(am__objects_1) strutil.lo substitute.lo \
 	structurally_valid.lo descriptor.lo descriptor.pb.lo \
@@ -106,12 +133,12 @@ am_libprotoc_la_OBJECTS = code_generator.lo command_line_interface.lo \
 	cpp_string_field.lo java_enum.lo java_enum_field.lo \
 	java_extension.lo java_field.lo java_file.lo java_generator.lo \
 	java_helpers.lo java_message.lo java_message_field.lo \
-	java_primitive_field.lo java_service.lo python_generator.lo
+	java_primitive_field.lo java_service.lo java_string_field.lo \
+	java_doc_comment.lo python_generator.lo
 libprotoc_la_OBJECTS = $(am_libprotoc_la_OBJECTS)
 libprotoc_la_LINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) \
 	$(LIBTOOLFLAGS) --mode=link $(CXXLD) $(AM_CXXFLAGS) \
 	$(CXXFLAGS) $(libprotoc_la_LDFLAGS) $(LDFLAGS) -o $@
-binPROGRAMS_INSTALL = $(INSTALL_PROGRAM)
 @HAVE_ZLIB_TRUE@am__EXEEXT_1 = zcgzip$(EXEEXT) zcgunzip$(EXEEXT)
 PROGRAMS = $(bin_PROGRAMS)
 am__objects_2 = protobuf_lazy_descriptor_test-test_util.$(OBJEXT) \
@@ -122,11 +149,13 @@ am_protobuf_lazy_descriptor_test_OBJECTS =  \
 	$(am__objects_2)
 am__objects_3 =  \
 	protobuf_lazy_descriptor_test-unittest_lite.pb.$(OBJEXT) \
-	protobuf_lazy_descriptor_test-unittest_import_lite.pb.$(OBJEXT)
+	protobuf_lazy_descriptor_test-unittest_import_lite.pb.$(OBJEXT) \
+	protobuf_lazy_descriptor_test-unittest_import_public_lite.pb.$(OBJEXT)
 am__objects_4 = $(am__objects_3) \
 	protobuf_lazy_descriptor_test-unittest.pb.$(OBJEXT) \
 	protobuf_lazy_descriptor_test-unittest_empty.pb.$(OBJEXT) \
 	protobuf_lazy_descriptor_test-unittest_import.pb.$(OBJEXT) \
+	protobuf_lazy_descriptor_test-unittest_import_public.pb.$(OBJEXT) \
 	protobuf_lazy_descriptor_test-unittest_mset.pb.$(OBJEXT) \
 	protobuf_lazy_descriptor_test-unittest_optimize_for.pb.$(OBJEXT) \
 	protobuf_lazy_descriptor_test-unittest_embed_optimize_for.pb.$(OBJEXT) \
@@ -149,7 +178,8 @@ am_protobuf_lite_test_OBJECTS =  \
 	protobuf_lite_test-lite_unittest.$(OBJEXT) \
 	protobuf_lite_test-test_util_lite.$(OBJEXT)
 am__objects_5 = protobuf_lite_test-unittest_lite.pb.$(OBJEXT) \
-	protobuf_lite_test-unittest_import_lite.pb.$(OBJEXT)
+	protobuf_lite_test-unittest_import_lite.pb.$(OBJEXT) \
+	protobuf_lite_test-unittest_import_public_lite.pb.$(OBJEXT)
 nodist_protobuf_lite_test_OBJECTS = $(am__objects_5)
 protobuf_lite_test_OBJECTS = $(am_protobuf_lite_test_OBJECTS) \
 	$(nodist_protobuf_lite_test_OBJECTS)
@@ -166,6 +196,9 @@ am_protobuf_test_OBJECTS = protobuf_test-common_unittest.$(OBJEXT) \
 	protobuf_test-once_unittest.$(OBJEXT) \
 	protobuf_test-strutil_unittest.$(OBJEXT) \
 	protobuf_test-structurally_valid_unittest.$(OBJEXT) \
+	protobuf_test-stringprintf_unittest.$(OBJEXT) \
+	protobuf_test-template_util_unittest.$(OBJEXT) \
+	protobuf_test-type_traits_unittest.$(OBJEXT) \
 	protobuf_test-descriptor_database_unittest.$(OBJEXT) \
 	protobuf_test-descriptor_unittest.$(OBJEXT) \
 	protobuf_test-dynamic_message_unittest.$(OBJEXT) \
@@ -174,6 +207,7 @@ am_protobuf_test_OBJECTS = protobuf_test-common_unittest.$(OBJEXT) \
 	protobuf_test-message_unittest.$(OBJEXT) \
 	protobuf_test-reflection_ops_unittest.$(OBJEXT) \
 	protobuf_test-repeated_field_unittest.$(OBJEXT) \
+	protobuf_test-repeated_field_reflection_unittest.$(OBJEXT) \
 	protobuf_test-text_format_unittest.$(OBJEXT) \
 	protobuf_test-unknown_field_set_unittest.$(OBJEXT) \
 	protobuf_test-wire_format_unittest.$(OBJEXT) \
@@ -189,13 +223,16 @@ am_protobuf_test_OBJECTS = protobuf_test-common_unittest.$(OBJEXT) \
 	protobuf_test-cpp_unittest.$(OBJEXT) \
 	protobuf_test-cpp_plugin_unittest.$(OBJEXT) \
 	protobuf_test-java_plugin_unittest.$(OBJEXT) \
+	protobuf_test-java_doc_comment_unittest.$(OBJEXT) \
 	protobuf_test-python_plugin_unittest.$(OBJEXT) \
 	$(am__objects_6)
 am__objects_7 = protobuf_test-unittest_lite.pb.$(OBJEXT) \
-	protobuf_test-unittest_import_lite.pb.$(OBJEXT)
+	protobuf_test-unittest_import_lite.pb.$(OBJEXT) \
+	protobuf_test-unittest_import_public_lite.pb.$(OBJEXT)
 am__objects_8 = $(am__objects_7) protobuf_test-unittest.pb.$(OBJEXT) \
 	protobuf_test-unittest_empty.pb.$(OBJEXT) \
 	protobuf_test-unittest_import.pb.$(OBJEXT) \
+	protobuf_test-unittest_import_public.pb.$(OBJEXT) \
 	protobuf_test-unittest_mset.pb.$(OBJEXT) \
 	protobuf_test-unittest_optimize_for.pb.$(OBJEXT) \
 	protobuf_test-unittest_embed_optimize_for.pb.$(OBJEXT) \
@@ -234,6 +271,7 @@ zcgzip_OBJECTS = $(am_zcgzip_OBJECTS)
 DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
 depcomp = $(SHELL) $(top_srcdir)/depcomp
 am__depfiles_maybe = depfiles
+am__mv = mv -f
 CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
 	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
 LTCXXCOMPILE = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
@@ -266,14 +304,26 @@ DIST_SOURCES = $(libprotobuf_lite_la_SOURCES) \
 	$(protobuf_lite_test_SOURCES) $(protobuf_test_SOURCES) \
 	$(protoc_SOURCES) $(test_plugin_SOURCES) \
 	$(am__zcgunzip_SOURCES_DIST) $(am__zcgzip_SOURCES_DIST)
-nobase_dist_protoDATA_INSTALL = $(install_sh_DATA)
 DATA = $(nobase_dist_proto_DATA)
-am__nobase_include_HEADERS_DIST = google/protobuf/stubs/common.h \
-	google/protobuf/stubs/once.h google/protobuf/descriptor.h \
-	google/protobuf/descriptor.pb.h \
+am__nobase_include_HEADERS_DIST = google/protobuf/stubs/atomicops.h \
+	google/protobuf/stubs/atomicops_internals_arm_gcc.h \
+	google/protobuf/stubs/atomicops_internals_arm_qnx.h \
+	google/protobuf/stubs/atomicops_internals_atomicword_compat.h \
+	google/protobuf/stubs/atomicops_internals_macosx.h \
+	google/protobuf/stubs/atomicops_internals_mips_gcc.h \
+	google/protobuf/stubs/atomicops_internals_pnacl.h \
+	google/protobuf/stubs/atomicops_internals_x86_gcc.h \
+	google/protobuf/stubs/atomicops_internals_x86_msvc.h \
+	google/protobuf/stubs/common.h \
+	google/protobuf/stubs/platform_macros.h \
+	google/protobuf/stubs/once.h \
+	google/protobuf/stubs/template_util.h \
+	google/protobuf/stubs/type_traits.h \
+	google/protobuf/descriptor.h google/protobuf/descriptor.pb.h \
 	google/protobuf/descriptor_database.h \
 	google/protobuf/dynamic_message.h \
 	google/protobuf/extension_set.h \
+	google/protobuf/generated_enum_reflection.h \
 	google/protobuf/generated_message_util.h \
 	google/protobuf/generated_message_reflection.h \
 	google/protobuf/message.h google/protobuf/message_lite.h \
@@ -299,10 +349,11 @@ am__nobase_include_HEADERS_DIST = google/protobuf/stubs/common.h \
 	google/protobuf/compiler/cpp/cpp_generator.h \
 	google/protobuf/compiler/java/java_generator.h \
 	google/protobuf/compiler/python/python_generator.h
-nobase_includeHEADERS_INSTALL = $(install_sh_DATA)
 HEADERS = $(nobase_include_HEADERS)
 ETAGS = etags
 CTAGS = ctags
+am__tty_colors = \
+red=; grn=; lgn=; blu=; std=
 @HAVE_ZLIB_TRUE@am__EXEEXT_2 =  \
 @HAVE_ZLIB_TRUE@	google/protobuf/io/gzip_stream_unittest.sh
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
@@ -324,6 +375,7 @@ CXXFLAGS = @CXXFLAGS@
 CYGPATH_W = @CYGPATH_W@
 DEFS = @DEFS@
 DEPDIR = @DEPDIR@
+DLLTOOL = @DLLTOOL@
 DSYMUTIL = @DSYMUTIL@
 DUMPBIN = @DUMPBIN@
 ECHO_C = @ECHO_C@
@@ -347,10 +399,13 @@ LIBTOOL = @LIBTOOL@
 LIPO = @LIPO@
 LN_S = @LN_S@
 LTLIBOBJS = @LTLIBOBJS@
+MAINT = @MAINT@
 MAKEINFO = @MAKEINFO@
+MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
 NM = @NM@
 NMEDIT = @NMEDIT@
+OBJDUMP = @OBJDUMP@
 OBJEXT = @OBJEXT@
 OTOOL = @OTOOL@
 OTOOL64 = @OTOOL64@
@@ -359,6 +414,7 @@ PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
 PACKAGE_NAME = @PACKAGE_NAME@
 PACKAGE_STRING = @PACKAGE_STRING@
 PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_URL = @PACKAGE_URL@
 PACKAGE_VERSION = @PACKAGE_VERSION@
 PATH_SEPARATOR = @PATH_SEPARATOR@
 POW_LIB = @POW_LIB@
@@ -377,6 +433,7 @@ abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@
 abs_top_builddir = @abs_top_builddir@
 abs_top_srcdir = @abs_top_srcdir@
+ac_ct_AR = @ac_ct_AR@
 ac_ct_CC = @ac_ct_CC@
 ac_ct_CXX = @ac_ct_CXX@
 ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
@@ -411,7 +468,6 @@ libdir = @libdir@
 libexecdir = @libexecdir@
 localedir = @localedir@
 localstatedir = @localstatedir@
-lt_ECHO = @lt_ECHO@
 mandir = @mandir@
 mkdir_p = @mkdir_p@
 oldincludedir = @oldincludedir@
@@ -429,6 +485,7 @@ target_alias = @target_alias@
 target_cpu = @target_cpu@
 target_os = @target_os@
 target_vendor = @target_vendor@
+top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 @HAVE_ZLIB_FALSE@GZCHECKPROGRAMS = 
@@ -457,52 +514,68 @@ MAINTAINERCLEANFILES = \
   Makefile.in
 
 nobase_include_HEADERS = \
-  google/protobuf/stubs/common.h                               \
-  google/protobuf/stubs/once.h                                 \
-  google/protobuf/descriptor.h                                 \
-  google/protobuf/descriptor.pb.h                              \
-  google/protobuf/descriptor_database.h                        \
-  google/protobuf/dynamic_message.h                            \
-  google/protobuf/extension_set.h                              \
-  google/protobuf/generated_message_util.h                     \
-  google/protobuf/generated_message_reflection.h               \
-  google/protobuf/message.h                                    \
-  google/protobuf/message_lite.h                               \
-  google/protobuf/reflection_ops.h                             \
-  google/protobuf/repeated_field.h                             \
-  google/protobuf/service.h                                    \
-  google/protobuf/text_format.h                                \
-  google/protobuf/unknown_field_set.h                          \
-  google/protobuf/wire_format.h                                \
-  google/protobuf/wire_format_lite.h                           \
-  google/protobuf/wire_format_lite_inl.h                       \
-  google/protobuf/io/coded_stream.h                            \
-  $(GZHEADERS)                                                 \
-  google/protobuf/io/printer.h                                 \
-  google/protobuf/io/tokenizer.h                               \
-  google/protobuf/io/zero_copy_stream.h                        \
-  google/protobuf/io/zero_copy_stream_impl.h                   \
-  google/protobuf/io/zero_copy_stream_impl_lite.h              \
-  google/protobuf/compiler/code_generator.h                    \
-  google/protobuf/compiler/command_line_interface.h            \
-  google/protobuf/compiler/importer.h                          \
-  google/protobuf/compiler/parser.h                            \
-  google/protobuf/compiler/plugin.h                            \
-  google/protobuf/compiler/plugin.pb.h                         \
-  google/protobuf/compiler/cpp/cpp_generator.h                 \
-  google/protobuf/compiler/java/java_generator.h               \
+  google/protobuf/stubs/atomicops.h                             \
+  google/protobuf/stubs/atomicops_internals_arm_gcc.h           \
+  google/protobuf/stubs/atomicops_internals_arm_qnx.h           \
+  google/protobuf/stubs/atomicops_internals_atomicword_compat.h \
+  google/protobuf/stubs/atomicops_internals_macosx.h            \
+  google/protobuf/stubs/atomicops_internals_mips_gcc.h          \
+  google/protobuf/stubs/atomicops_internals_pnacl.h             \
+  google/protobuf/stubs/atomicops_internals_x86_gcc.h           \
+  google/protobuf/stubs/atomicops_internals_x86_msvc.h          \
+  google/protobuf/stubs/common.h                                \
+  google/protobuf/stubs/platform_macros.h                       \
+  google/protobuf/stubs/once.h                                  \
+  google/protobuf/stubs/template_util.h                         \
+  google/protobuf/stubs/type_traits.h                           \
+  google/protobuf/descriptor.h                                  \
+  google/protobuf/descriptor.pb.h                               \
+  google/protobuf/descriptor_database.h                         \
+  google/protobuf/dynamic_message.h                             \
+  google/protobuf/extension_set.h                               \
+  google/protobuf/generated_enum_reflection.h                   \
+  google/protobuf/generated_message_util.h                      \
+  google/protobuf/generated_message_reflection.h                \
+  google/protobuf/message.h                                     \
+  google/protobuf/message_lite.h                                \
+  google/protobuf/reflection_ops.h                              \
+  google/protobuf/repeated_field.h                              \
+  google/protobuf/service.h                                     \
+  google/protobuf/text_format.h                                 \
+  google/protobuf/unknown_field_set.h                           \
+  google/protobuf/wire_format.h                                 \
+  google/protobuf/wire_format_lite.h                            \
+  google/protobuf/wire_format_lite_inl.h                        \
+  google/protobuf/io/coded_stream.h                             \
+  $(GZHEADERS)                                                  \
+  google/protobuf/io/printer.h                                  \
+  google/protobuf/io/tokenizer.h                                \
+  google/protobuf/io/zero_copy_stream.h                         \
+  google/protobuf/io/zero_copy_stream_impl.h                    \
+  google/protobuf/io/zero_copy_stream_impl_lite.h               \
+  google/protobuf/compiler/code_generator.h                     \
+  google/protobuf/compiler/command_line_interface.h             \
+  google/protobuf/compiler/importer.h                           \
+  google/protobuf/compiler/parser.h                             \
+  google/protobuf/compiler/plugin.h                             \
+  google/protobuf/compiler/plugin.pb.h                          \
+  google/protobuf/compiler/cpp/cpp_generator.h                  \
+  google/protobuf/compiler/java/java_generator.h                \
   google/protobuf/compiler/python/python_generator.h
 
 lib_LTLIBRARIES = libprotobuf-lite.la libprotobuf.la libprotoc.la
 libprotobuf_lite_la_LIBADD = $(PTHREAD_LIBS)
-libprotobuf_lite_la_LDFLAGS = -version-info 6:0:0 -export-dynamic -no-undefined
+libprotobuf_lite_la_LDFLAGS = -version-info 8:0:0 -export-dynamic -no-undefined
 libprotobuf_lite_la_SOURCES = \
+  google/protobuf/stubs/atomicops_internals_x86_gcc.cc         \
+  google/protobuf/stubs/atomicops_internals_x86_msvc.cc        \
   google/protobuf/stubs/common.cc                              \
   google/protobuf/stubs/once.cc                                \
-  google/protobuf/stubs/hash.cc                                \
   google/protobuf/stubs/hash.h                                 \
   google/protobuf/stubs/map-util.h                             \
-  google/protobuf/stubs/stl_util-inl.h                         \
+  google/protobuf/stubs/stl_util.h                             \
+  google/protobuf/stubs/stringprintf.cc                        \
+  google/protobuf/stubs/stringprintf.h                         \
   google/protobuf/extension_set.cc                             \
   google/protobuf/generated_message_util.cc                    \
   google/protobuf/message_lite.cc                              \
@@ -514,7 +587,7 @@ libprotobuf_lite_la_SOURCES = \
   google/protobuf/io/zero_copy_stream_impl_lite.cc
 
 libprotobuf_la_LIBADD = $(PTHREAD_LIBS)
-libprotobuf_la_LDFLAGS = -version-info 6:0:0 -export-dynamic -no-undefined
+libprotobuf_la_LDFLAGS = -version-info 8:0:0 -export-dynamic -no-undefined
 libprotobuf_la_SOURCES = \
   $(libprotobuf_lite_la_SOURCES)                               \
   google/protobuf/stubs/strutil.cc                             \
@@ -542,7 +615,7 @@ libprotobuf_la_SOURCES = \
   google/protobuf/compiler/parser.cc
 
 libprotoc_la_LIBADD = $(PTHREAD_LIBS) libprotobuf.la
-libprotoc_la_LDFLAGS = -version-info 6:0:0 -export-dynamic -no-undefined
+libprotoc_la_LDFLAGS = -version-info 8:0:0 -export-dynamic -no-undefined
 libprotoc_la_SOURCES = \
   google/protobuf/compiler/code_generator.cc                   \
   google/protobuf/compiler/command_line_interface.cc           \
@@ -569,6 +642,7 @@ libprotoc_la_SOURCES = \
   google/protobuf/compiler/cpp/cpp_message.h                   \
   google/protobuf/compiler/cpp/cpp_message_field.cc            \
   google/protobuf/compiler/cpp/cpp_message_field.h             \
+  google/protobuf/compiler/cpp/cpp_options.h                   \
   google/protobuf/compiler/cpp/cpp_primitive_field.cc          \
   google/protobuf/compiler/cpp/cpp_primitive_field.h           \
   google/protobuf/compiler/cpp/cpp_service.cc                  \
@@ -596,6 +670,10 @@ libprotoc_la_SOURCES = \
   google/protobuf/compiler/java/java_primitive_field.h         \
   google/protobuf/compiler/java/java_service.cc                \
   google/protobuf/compiler/java/java_service.h                 \
+  google/protobuf/compiler/java/java_string_field.cc           \
+  google/protobuf/compiler/java/java_string_field.h            \
+  google/protobuf/compiler/java/java_doc_comment.cc            \
+  google/protobuf/compiler/java/java_doc_comment.h             \
   google/protobuf/compiler/python/python_generator.cc
 
 protoc_LDADD = $(PTHREAD_LIBS) libprotobuf.la libprotoc.la
@@ -606,12 +684,14 @@ protoc_inputs = \
   google/protobuf/unittest.proto                               \
   google/protobuf/unittest_empty.proto                         \
   google/protobuf/unittest_import.proto                        \
+  google/protobuf/unittest_import_public.proto                 \
   google/protobuf/unittest_mset.proto                          \
   google/protobuf/unittest_optimize_for.proto                  \
   google/protobuf/unittest_embed_optimize_for.proto            \
   google/protobuf/unittest_custom_options.proto                \
   google/protobuf/unittest_lite.proto                          \
   google/protobuf/unittest_import_lite.proto                   \
+  google/protobuf/unittest_import_public_lite.proto            \
   google/protobuf/unittest_lite_imports_nonlite.proto          \
   google/protobuf/unittest_no_generic_services.proto           \
   google/protobuf/compiler/cpp/cpp_test_bad_identifiers.proto
@@ -635,7 +715,9 @@ protoc_lite_outputs = \
   google/protobuf/unittest_lite.pb.cc                          \
   google/protobuf/unittest_lite.pb.h                           \
   google/protobuf/unittest_import_lite.pb.cc                   \
-  google/protobuf/unittest_import_lite.pb.h
+  google/protobuf/unittest_import_lite.pb.h                    \
+  google/protobuf/unittest_import_public_lite.pb.cc            \
+  google/protobuf/unittest_import_public_lite.pb.h
 
 protoc_outputs = \
   $(protoc_lite_outputs)                                       \
@@ -645,6 +727,8 @@ protoc_outputs = \
   google/protobuf/unittest_empty.pb.h                          \
   google/protobuf/unittest_import.pb.cc                        \
   google/protobuf/unittest_import.pb.h                         \
+  google/protobuf/unittest_import_public.pb.cc                 \
+  google/protobuf/unittest_import_public.pb.h                  \
   google/protobuf/unittest_mset.pb.cc                          \
   google/protobuf/unittest_mset.pb.h                           \
   google/protobuf/unittest_optimize_for.pb.cc                  \
@@ -685,6 +769,9 @@ protobuf_test_SOURCES = \
   google/protobuf/stubs/once_unittest.cc                       \
   google/protobuf/stubs/strutil_unittest.cc                    \
   google/protobuf/stubs/structurally_valid_unittest.cc         \
+  google/protobuf/stubs/stringprintf_unittest.cc               \
+  google/protobuf/stubs/template_util_unittest.cc              \
+  google/protobuf/stubs/type_traits_unittest.cc                \
   google/protobuf/descriptor_database_unittest.cc              \
   google/protobuf/descriptor_unittest.cc                       \
   google/protobuf/dynamic_message_unittest.cc                  \
@@ -693,6 +780,7 @@ protobuf_test_SOURCES = \
   google/protobuf/message_unittest.cc                          \
   google/protobuf/reflection_ops_unittest.cc                   \
   google/protobuf/repeated_field_unittest.cc                   \
+  google/protobuf/repeated_field_reflection_unittest.cc        \
   google/protobuf/text_format_unittest.cc                      \
   google/protobuf/unknown_field_set_unittest.cc                \
   google/protobuf/wire_format_unittest.cc                      \
@@ -706,9 +794,11 @@ protobuf_test_SOURCES = \
   google/protobuf/compiler/mock_code_generator.h               \
   google/protobuf/compiler/parser_unittest.cc                  \
   google/protobuf/compiler/cpp/cpp_bootstrap_unittest.cc       \
+  google/protobuf/compiler/cpp/cpp_unittest.h                  \
   google/protobuf/compiler/cpp/cpp_unittest.cc                 \
   google/protobuf/compiler/cpp/cpp_plugin_unittest.cc          \
   google/protobuf/compiler/java/java_plugin_unittest.cc        \
+  google/protobuf/compiler/java/java_doc_comment_unittest.cc   \
   google/protobuf/compiler/python/python_plugin_unittest.cc    \
   $(COMMON_TEST_SOURCES)
 
@@ -762,18 +852,18 @@ all: $(BUILT_SOURCES)
 
 .SUFFIXES:
 .SUFFIXES: .cc .lo .o .obj
-$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
 	@for dep in $?; do \
 	  case '$(am__configure_deps)' in \
 	    *$$dep*) \
-	      cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
-		&& exit 0; \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
 	      exit 1;; \
 	  esac; \
 	done; \
-	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu  src/Makefile'; \
-	cd $(top_srcdir) && \
-	  $(AUTOMAKE) --gnu  src/Makefile
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu src/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu src/Makefile
 .PRECIOUS: Makefile
 Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 	@case '$?' in \
@@ -787,27 +877,32 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 $(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
 	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
 
-$(top_srcdir)/configure:  $(am__configure_deps)
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
 	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
-$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
 	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
 install-libLTLIBRARIES: $(lib_LTLIBRARIES)
 	@$(NORMAL_INSTALL)
 	test -z "$(libdir)" || $(MKDIR_P) "$(DESTDIR)$(libdir)"
-	@list='$(lib_LTLIBRARIES)'; for p in $$list; do \
+	@list='$(lib_LTLIBRARIES)'; test -n "$(libdir)" || list=; \
+	list2=; for p in $$list; do \
 	  if test -f $$p; then \
-	    f=$(am__strip_dir) \
-	    echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(libLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) '$$p' '$(DESTDIR)$(libdir)/$$f'"; \
-	    $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(libLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) "$$p" "$(DESTDIR)$(libdir)/$$f"; \
+	    list2="$$list2 $$p"; \
 	  else :; fi; \
-	done
+	done; \
+	test -z "$$list2" || { \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 '$(DESTDIR)$(libdir)'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 "$(DESTDIR)$(libdir)"; \
+	}
 
 uninstall-libLTLIBRARIES:
 	@$(NORMAL_UNINSTALL)
-	@list='$(lib_LTLIBRARIES)'; for p in $$list; do \
-	  p=$(am__strip_dir) \
-	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f '$(DESTDIR)$(libdir)/$$p'"; \
-	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f "$(DESTDIR)$(libdir)/$$p"; \
+	@list='$(lib_LTLIBRARIES)'; test -n "$(libdir)" || list=; \
+	for p in $$list; do \
+	  $(am__strip_dir) \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f '$(DESTDIR)$(libdir)/$$f'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f "$(DESTDIR)$(libdir)/$$f"; \
 	done
 
 clean-libLTLIBRARIES:
@@ -818,66 +913,83 @@ clean-libLTLIBRARIES:
 	  echo "rm -f \"$${dir}/so_locations\""; \
 	  rm -f "$${dir}/so_locations"; \
 	done
-libprotobuf-lite.la: $(libprotobuf_lite_la_OBJECTS) $(libprotobuf_lite_la_DEPENDENCIES) 
+libprotobuf-lite.la: $(libprotobuf_lite_la_OBJECTS) $(libprotobuf_lite_la_DEPENDENCIES) $(EXTRA_libprotobuf_lite_la_DEPENDENCIES) 
 	$(libprotobuf_lite_la_LINK) -rpath $(libdir) $(libprotobuf_lite_la_OBJECTS) $(libprotobuf_lite_la_LIBADD) $(LIBS)
-libprotobuf.la: $(libprotobuf_la_OBJECTS) $(libprotobuf_la_DEPENDENCIES) 
+libprotobuf.la: $(libprotobuf_la_OBJECTS) $(libprotobuf_la_DEPENDENCIES) $(EXTRA_libprotobuf_la_DEPENDENCIES) 
 	$(libprotobuf_la_LINK) -rpath $(libdir) $(libprotobuf_la_OBJECTS) $(libprotobuf_la_LIBADD) $(LIBS)
-libprotoc.la: $(libprotoc_la_OBJECTS) $(libprotoc_la_DEPENDENCIES) 
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-	@list='$(bin_PROGRAMS)'; for p in $$list; do \
-	  p1=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
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-	     || test -f $$p1 \
-	  ; then \
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-	   $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(binPROGRAMS_INSTALL) "$$p" "$(DESTDIR)$(bindir)/$$f" || exit 1; \
-	  else :; fi; \
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+	for p in $$list; do echo "$$p $$p"; done | \
+	sed 's/$(EXEEXT)$$//' | \
+	while read p p1; do if test -f $$p || test -f $$p1; \
+	  then echo "$$p"; echo "$$p"; else :; fi; \
+	done | \
+	sed -e 'p;s,.*/,,;n;h' -e 's|.*|.|' \
+	    -e 'p;x;s,.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/' | \
+	sed 'N;N;N;s,\n, ,g' | \
+	$(AWK) 'BEGIN { files["."] = ""; dirs["."] = 1 } \
+	  { d=$$3; if (dirs[d] != 1) { print "d", d; dirs[d] = 1 } \
+	    if ($$2 == $$4) files[d] = files[d] " " $$1; \
+	    else { print "f", $$3 "/" $$4, $$1; } } \
+	  END { for (d in files) print "f", d, files[d] }' | \
+	while read type dir files; do \
+	    if test "$$dir" = .; then dir=; else dir=/$$dir; fi; \
+	    test -z "$$files" || { \
+	    echo " $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files '$(DESTDIR)$(bindir)$$dir'"; \
+	    $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files "$(DESTDIR)$(bindir)$$dir" || exit $$?; \
+	    } \
+	; done
 
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-	  echo " rm -f '$(DESTDIR)$(bindir)/$$f'"; \
-	  rm -f "$(DESTDIR)$(bindir)/$$f"; \
-	done
+	@list='$(bin_PROGRAMS)'; test -n "$(bindir)" || list=; \
+	files=`for p in $$list; do echo "$$p"; done | \
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@@ -887,6 +999,8 @@ mostlyclean-compile:
 distclean-compile:
 	-rm -f *.tab.c
 
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/atomicops_internals_x86_gcc.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/atomicops_internals_x86_msvc.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/code_generator.Plo@am__quote@
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 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/command_line_interface.Plo@am__quote@
@@ -912,8 +1026,8 @@ distclean-compile:
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 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/importer.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/java_doc_comment.Plo@am__quote@
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@@ -925,6 +1039,7 @@ distclean-compile:
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 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/java_service.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/java_string_field.Plo@am__quote@
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 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/protobuf_lazy_descriptor_test-unittest_import_lite.pb.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/protobuf_lazy_descriptor_test-unittest_import_public.pb.Po@am__quote@
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@@ -952,6 +1069,7 @@ distclean-compile:
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 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/protobuf_lite_test-unittest_import_lite.pb.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/protobuf_lite_test-unittest_import_public_lite.pb.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/protobuf_lite_test-unittest_lite.pb.Po@am__quote@
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@@ -968,6 +1086,7 @@ distclean-compile:
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 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/protobuf_test-googletest.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/protobuf_test-importer_unittest.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/protobuf_test-java_doc_comment_unittest.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/protobuf_test-java_plugin_unittest.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/protobuf_test-message_unittest.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/protobuf_test-mock_code_generator.Po@am__quote@
@@ -976,18 +1095,24 @@ distclean-compile:
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 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/protobuf_test-reflection_ops_unittest.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/protobuf_test-repeated_field_reflection_unittest.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/protobuf_test-repeated_field_unittest.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/protobuf_test-stringprintf_unittest.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/protobuf_test-structurally_valid_unittest.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/protobuf_test-strutil_unittest.Po@am__quote@
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@@ -1000,6 +1125,7 @@ distclean-compile:
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 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/repeated_field.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/service.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/stringprintf.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/structurally_valid.Plo@am__quote@
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 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/subprocess.Plo@am__quote@
@@ -1021,1421 +1147,1589 @@ distclean-compile:
 
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 java_generator.lo: google/protobuf/compiler/java/java_generator.cc
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 java_helpers.lo: google/protobuf/compiler/java/java_helpers.cc
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 java_message.lo: google/protobuf/compiler/java/java_message.cc
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 java_message_field.lo: google/protobuf/compiler/java/java_message_field.cc
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 java_primitive_field.lo: google/protobuf/compiler/java/java_primitive_field.cc
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 java_service.lo: google/protobuf/compiler/java/java_service.cc
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 python_generator.lo: google/protobuf/compiler/python/python_generator.cc
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 protobuf_lazy_descriptor_test-cpp_unittest.o: google/protobuf/compiler/cpp/cpp_unittest.cc
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 protobuf_lazy_descriptor_test-cpp_unittest.obj: google/protobuf/compiler/cpp/cpp_unittest.cc
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 protobuf_lazy_descriptor_test-test_util.o: google/protobuf/test_util.cc
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+@am__fastdepCXX_TRUE@	$(am__mv) $(DEPDIR)/test_plugin-mock_code_generator.Tpo $(DEPDIR)/test_plugin-mock_code_generator.Po
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='google/protobuf/compiler/mock_code_generator.cc' object='test_plugin-mock_code_generator.o' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_plugin_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o test_plugin-mock_code_generator.o `test -f 'google/protobuf/compiler/mock_code_generator.cc' || echo '$(srcdir)/'`google/protobuf/compiler/mock_code_generator.cc
 
 test_plugin-mock_code_generator.obj: google/protobuf/compiler/mock_code_generator.cc
 @am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_plugin_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT test_plugin-mock_code_generator.obj -MD -MP -MF $(DEPDIR)/test_plugin-mock_code_generator.Tpo -c -o test_plugin-mock_code_generator.obj `if test -f 'google/protobuf/compiler/mock_code_generator.cc'; then $(CYGPATH_W) 'google/protobuf/compiler/mock_code_generator.cc'; else $(CYGPATH_W) '$(srcdir)/google/protobuf/compiler/mock_code_generator.cc'; fi`
-@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/test_plugin-mock_code_generator.Tpo $(DEPDIR)/test_plugin-mock_code_generator.Po
+@am__fastdepCXX_TRUE@	$(am__mv) $(DEPDIR)/test_plugin-mock_code_generator.Tpo $(DEPDIR)/test_plugin-mock_code_generator.Po
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='google/protobuf/compiler/mock_code_generator.cc' object='test_plugin-mock_code_generator.obj' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_plugin_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o test_plugin-mock_code_generator.obj `if test -f 'google/protobuf/compiler/mock_code_generator.cc'; then $(CYGPATH_W) 'google/protobuf/compiler/mock_code_generator.cc'; else $(CYGPATH_W) '$(srcdir)/google/protobuf/compiler/mock_code_generator.cc'; fi`
 
 test_plugin-file.o: google/protobuf/testing/file.cc
 @am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_plugin_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT test_plugin-file.o -MD -MP -MF $(DEPDIR)/test_plugin-file.Tpo -c -o test_plugin-file.o `test -f 'google/protobuf/testing/file.cc' || echo '$(srcdir)/'`google/protobuf/testing/file.cc
-@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/test_plugin-file.Tpo $(DEPDIR)/test_plugin-file.Po
+@am__fastdepCXX_TRUE@	$(am__mv) $(DEPDIR)/test_plugin-file.Tpo $(DEPDIR)/test_plugin-file.Po
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='google/protobuf/testing/file.cc' object='test_plugin-file.o' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_plugin_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o test_plugin-file.o `test -f 'google/protobuf/testing/file.cc' || echo '$(srcdir)/'`google/protobuf/testing/file.cc
 
 test_plugin-file.obj: google/protobuf/testing/file.cc
 @am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_plugin_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT test_plugin-file.obj -MD -MP -MF $(DEPDIR)/test_plugin-file.Tpo -c -o test_plugin-file.obj `if test -f 'google/protobuf/testing/file.cc'; then $(CYGPATH_W) 'google/protobuf/testing/file.cc'; else $(CYGPATH_W) '$(srcdir)/google/protobuf/testing/file.cc'; fi`
-@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/test_plugin-file.Tpo $(DEPDIR)/test_plugin-file.Po
+@am__fastdepCXX_TRUE@	$(am__mv) $(DEPDIR)/test_plugin-file.Tpo $(DEPDIR)/test_plugin-file.Po
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='google/protobuf/testing/file.cc' object='test_plugin-file.obj' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_plugin_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o test_plugin-file.obj `if test -f 'google/protobuf/testing/file.cc'; then $(CYGPATH_W) 'google/protobuf/testing/file.cc'; else $(CYGPATH_W) '$(srcdir)/google/protobuf/testing/file.cc'; fi`
 
 test_plugin-test_plugin.o: google/protobuf/compiler/test_plugin.cc
 @am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_plugin_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT test_plugin-test_plugin.o -MD -MP -MF $(DEPDIR)/test_plugin-test_plugin.Tpo -c -o test_plugin-test_plugin.o `test -f 'google/protobuf/compiler/test_plugin.cc' || echo '$(srcdir)/'`google/protobuf/compiler/test_plugin.cc
-@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/test_plugin-test_plugin.Tpo $(DEPDIR)/test_plugin-test_plugin.Po
+@am__fastdepCXX_TRUE@	$(am__mv) $(DEPDIR)/test_plugin-test_plugin.Tpo $(DEPDIR)/test_plugin-test_plugin.Po
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='google/protobuf/compiler/test_plugin.cc' object='test_plugin-test_plugin.o' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_plugin_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o test_plugin-test_plugin.o `test -f 'google/protobuf/compiler/test_plugin.cc' || echo '$(srcdir)/'`google/protobuf/compiler/test_plugin.cc
 
 test_plugin-test_plugin.obj: google/protobuf/compiler/test_plugin.cc
 @am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_plugin_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT test_plugin-test_plugin.obj -MD -MP -MF $(DEPDIR)/test_plugin-test_plugin.Tpo -c -o test_plugin-test_plugin.obj `if test -f 'google/protobuf/compiler/test_plugin.cc'; then $(CYGPATH_W) 'google/protobuf/compiler/test_plugin.cc'; else $(CYGPATH_W) '$(srcdir)/google/protobuf/compiler/test_plugin.cc'; fi`
-@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/test_plugin-test_plugin.Tpo $(DEPDIR)/test_plugin-test_plugin.Po
+@am__fastdepCXX_TRUE@	$(am__mv) $(DEPDIR)/test_plugin-test_plugin.Tpo $(DEPDIR)/test_plugin-test_plugin.Po
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='google/protobuf/compiler/test_plugin.cc' object='test_plugin-test_plugin.obj' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_plugin_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o test_plugin-test_plugin.obj `if test -f 'google/protobuf/compiler/test_plugin.cc'; then $(CYGPATH_W) 'google/protobuf/compiler/test_plugin.cc'; else $(CYGPATH_W) '$(srcdir)/google/protobuf/compiler/test_plugin.cc'; fi`
 
 zcgunzip.o: google/protobuf/testing/zcgunzip.cc
 @am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zcgunzip.o -MD -MP -MF $(DEPDIR)/zcgunzip.Tpo -c -o zcgunzip.o `test -f 'google/protobuf/testing/zcgunzip.cc' || echo '$(srcdir)/'`google/protobuf/testing/zcgunzip.cc
-@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zcgunzip.Tpo $(DEPDIR)/zcgunzip.Po
+@am__fastdepCXX_TRUE@	$(am__mv) $(DEPDIR)/zcgunzip.Tpo $(DEPDIR)/zcgunzip.Po
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='google/protobuf/testing/zcgunzip.cc' object='zcgunzip.o' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zcgunzip.o `test -f 'google/protobuf/testing/zcgunzip.cc' || echo '$(srcdir)/'`google/protobuf/testing/zcgunzip.cc
 
 zcgunzip.obj: google/protobuf/testing/zcgunzip.cc
 @am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zcgunzip.obj -MD -MP -MF $(DEPDIR)/zcgunzip.Tpo -c -o zcgunzip.obj `if test -f 'google/protobuf/testing/zcgunzip.cc'; then $(CYGPATH_W) 'google/protobuf/testing/zcgunzip.cc'; else $(CYGPATH_W) '$(srcdir)/google/protobuf/testing/zcgunzip.cc'; fi`
-@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zcgunzip.Tpo $(DEPDIR)/zcgunzip.Po
+@am__fastdepCXX_TRUE@	$(am__mv) $(DEPDIR)/zcgunzip.Tpo $(DEPDIR)/zcgunzip.Po
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='google/protobuf/testing/zcgunzip.cc' object='zcgunzip.obj' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zcgunzip.obj `if test -f 'google/protobuf/testing/zcgunzip.cc'; then $(CYGPATH_W) 'google/protobuf/testing/zcgunzip.cc'; else $(CYGPATH_W) '$(srcdir)/google/protobuf/testing/zcgunzip.cc'; fi`
 
 zcgzip.o: google/protobuf/testing/zcgzip.cc
 @am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zcgzip.o -MD -MP -MF $(DEPDIR)/zcgzip.Tpo -c -o zcgzip.o `test -f 'google/protobuf/testing/zcgzip.cc' || echo '$(srcdir)/'`google/protobuf/testing/zcgzip.cc
-@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zcgzip.Tpo $(DEPDIR)/zcgzip.Po
+@am__fastdepCXX_TRUE@	$(am__mv) $(DEPDIR)/zcgzip.Tpo $(DEPDIR)/zcgzip.Po
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='google/protobuf/testing/zcgzip.cc' object='zcgzip.o' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zcgzip.o `test -f 'google/protobuf/testing/zcgzip.cc' || echo '$(srcdir)/'`google/protobuf/testing/zcgzip.cc
 
 zcgzip.obj: google/protobuf/testing/zcgzip.cc
 @am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zcgzip.obj -MD -MP -MF $(DEPDIR)/zcgzip.Tpo -c -o zcgzip.obj `if test -f 'google/protobuf/testing/zcgzip.cc'; then $(CYGPATH_W) 'google/protobuf/testing/zcgzip.cc'; else $(CYGPATH_W) '$(srcdir)/google/protobuf/testing/zcgzip.cc'; fi`
-@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zcgzip.Tpo $(DEPDIR)/zcgzip.Po
+@am__fastdepCXX_TRUE@	$(am__mv) $(DEPDIR)/zcgzip.Tpo $(DEPDIR)/zcgzip.Po
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='google/protobuf/testing/zcgzip.cc' object='zcgzip.obj' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zcgzip.obj `if test -f 'google/protobuf/testing/zcgzip.cc'; then $(CYGPATH_W) 'google/protobuf/testing/zcgzip.cc'; else $(CYGPATH_W) '$(srcdir)/google/protobuf/testing/zcgzip.cc'; fi`
@@ -2448,55 +2742,59 @@ clean-libtool:
 install-nobase_dist_protoDATA: $(nobase_dist_proto_DATA)
 	@$(NORMAL_INSTALL)
 	test -z "$(protodir)" || $(MKDIR_P) "$(DESTDIR)$(protodir)"
-	@$(am__vpath_adj_setup) \
-	list='$(nobase_dist_proto_DATA)'; for p in $$list; do \
-	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
-	  $(am__vpath_adj) \
-	  echo " $(nobase_dist_protoDATA_INSTALL) '$$d$$p' '$(DESTDIR)$(protodir)/$$f'"; \
-	  $(nobase_dist_protoDATA_INSTALL) "$$d$$p" "$(DESTDIR)$(protodir)/$$f"; \
+	@list='$(nobase_dist_proto_DATA)'; test -n "$(protodir)" || list=; \
+	$(am__nobase_list) | while read dir files; do \
+	  xfiles=; for file in $$files; do \
+	    if test -f "$$file"; then xfiles="$$xfiles $$file"; \
+	    else xfiles="$$xfiles $(srcdir)/$$file"; fi; done; \
+	  test -z "$$xfiles" || { \
+	    test "x$$dir" = x. || { \
+	      echo "$(MKDIR_P) '$(DESTDIR)$(protodir)/$$dir'"; \
+	      $(MKDIR_P) "$(DESTDIR)$(protodir)/$$dir"; }; \
+	    echo " $(INSTALL_DATA) $$xfiles '$(DESTDIR)$(protodir)/$$dir'"; \
+	    $(INSTALL_DATA) $$xfiles "$(DESTDIR)$(protodir)/$$dir" || exit $$?; }; \
 	done
 
 uninstall-nobase_dist_protoDATA:
 	@$(NORMAL_UNINSTALL)
-	@$(am__vpath_adj_setup) \
-	list='$(nobase_dist_proto_DATA)'; for p in $$list; do \
-	  $(am__vpath_adj) \
-	  echo " rm -f '$(DESTDIR)$(protodir)/$$f'"; \
-	  rm -f "$(DESTDIR)$(protodir)/$$f"; \
-	done
+	@list='$(nobase_dist_proto_DATA)'; test -n "$(protodir)" || list=; \
+	$(am__nobase_strip_setup); files=`$(am__nobase_strip)`; \
+	dir='$(DESTDIR)$(protodir)'; $(am__uninstall_files_from_dir)
 install-nobase_includeHEADERS: $(nobase_include_HEADERS)
 	@$(NORMAL_INSTALL)
 	test -z "$(includedir)" || $(MKDIR_P) "$(DESTDIR)$(includedir)"
-	@$(am__vpath_adj_setup) \
-	list='$(nobase_include_HEADERS)'; for p in $$list; do \
-	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
-	  $(am__vpath_adj) \
-	  echo " $(nobase_includeHEADERS_INSTALL) '$$d$$p' '$(DESTDIR)$(includedir)/$$f'"; \
-	  $(nobase_includeHEADERS_INSTALL) "$$d$$p" "$(DESTDIR)$(includedir)/$$f"; \
+	@list='$(nobase_include_HEADERS)'; test -n "$(includedir)" || list=; \
+	$(am__nobase_list) | while read dir files; do \
+	  xfiles=; for file in $$files; do \
+	    if test -f "$$file"; then xfiles="$$xfiles $$file"; \
+	    else xfiles="$$xfiles $(srcdir)/$$file"; fi; done; \
+	  test -z "$$xfiles" || { \
+	    test "x$$dir" = x. || { \
+	      echo "$(MKDIR_P) '$(DESTDIR)$(includedir)/$$dir'"; \
+	      $(MKDIR_P) "$(DESTDIR)$(includedir)/$$dir"; }; \
+	    echo " $(INSTALL_HEADER) $$xfiles '$(DESTDIR)$(includedir)/$$dir'"; \
+	    $(INSTALL_HEADER) $$xfiles "$(DESTDIR)$(includedir)/$$dir" || exit $$?; }; \
 	done
 
 uninstall-nobase_includeHEADERS:
 	@$(NORMAL_UNINSTALL)
-	@$(am__vpath_adj_setup) \
-	list='$(nobase_include_HEADERS)'; for p in $$list; do \
-	  $(am__vpath_adj) \
-	  echo " rm -f '$(DESTDIR)$(includedir)/$$f'"; \
-	  rm -f "$(DESTDIR)$(includedir)/$$f"; \
-	done
+	@list='$(nobase_include_HEADERS)'; test -n "$(includedir)" || list=; \
+	$(am__nobase_strip_setup); files=`$(am__nobase_strip)`; \
+	dir='$(DESTDIR)$(includedir)'; $(am__uninstall_files_from_dir)
 
 ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
 	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
 	unique=`for i in $$list; do \
 	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
 	  done | \
-	  $(AWK) '{ files[$$0] = 1; nonemtpy = 1; } \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
 	      END { if (nonempty) { for (i in files) print i; }; }'`; \
 	mkid -fID $$unique
 tags: TAGS
 
 TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
 		$(TAGS_FILES) $(LISP)
-	tags=; \
+	set x; \
 	here=`pwd`; \
 	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
 	unique=`for i in $$list; do \
@@ -2504,37 +2802,43 @@ TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
 	  done | \
 	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
 	      END { if (nonempty) { for (i in files) print i; }; }'`; \
-	if test -z "$(ETAGS_ARGS)$$tags$$unique"; then :; else \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
 	  test -n "$$unique" || unique=$$empty_fix; \
-	  $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
-	    $$tags $$unique; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
 	fi
 ctags: CTAGS
 CTAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
 		$(TAGS_FILES) $(LISP)
-	tags=; \
 	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
 	unique=`for i in $$list; do \
 	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
 	  done | \
 	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
 	      END { if (nonempty) { for (i in files) print i; }; }'`; \
-	test -z "$(CTAGS_ARGS)$$tags$$unique" \
+	test -z "$(CTAGS_ARGS)$$unique" \
 	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
-	     $$tags $$unique
+	     $$unique
 
 GTAGS:
 	here=`$(am__cd) $(top_builddir) && pwd` \
-	  && cd $(top_srcdir) \
-	  && gtags -i $(GTAGS_ARGS) $$here
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
 
 distclean-tags:
 	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
 
 check-TESTS: $(TESTS)
-	@failed=0; all=0; xfail=0; xpass=0; skip=0; ws='[	 ]'; \
+	@failed=0; all=0; xfail=0; xpass=0; skip=0; \
 	srcdir=$(srcdir); export srcdir; \
 	list=' $(TESTS) '; \
+	$(am__tty_colors); \
 	if test -n "$$list"; then \
 	  for tst in $$list; do \
 	    if test -f ./$$tst; then dir=./; \
@@ -2543,49 +2847,63 @@ check-TESTS: $(TESTS)
 	    if $(TESTS_ENVIRONMENT) $${dir}$$tst; then \
 	      all=`expr $$all + 1`; \
 	      case " $(XFAIL_TESTS) " in \
-	      *$$ws$$tst$$ws*) \
+	      *[\ \	]$$tst[\ \	]*) \
 		xpass=`expr $$xpass + 1`; \
 		failed=`expr $$failed + 1`; \
-		echo "XPASS: $$tst"; \
+		col=$$red; res=XPASS; \
 	      ;; \
 	      *) \
-		echo "PASS: $$tst"; \
+		col=$$grn; res=PASS; \
 	      ;; \
 	      esac; \
 	    elif test $$? -ne 77; then \
 	      all=`expr $$all + 1`; \
 	      case " $(XFAIL_TESTS) " in \
-	      *$$ws$$tst$$ws*) \
+	      *[\ \	]$$tst[\ \	]*) \
 		xfail=`expr $$xfail + 1`; \
-		echo "XFAIL: $$tst"; \
+		col=$$lgn; res=XFAIL; \
 	      ;; \
 	      *) \
 		failed=`expr $$failed + 1`; \
-		echo "FAIL: $$tst"; \
+		col=$$red; res=FAIL; \
 	      ;; \
 	      esac; \
 	    else \
 	      skip=`expr $$skip + 1`; \
-	      echo "SKIP: $$tst"; \
+	      col=$$blu; res=SKIP; \
 	    fi; \
+	    echo "$${col}$$res$${std}: $$tst"; \
 	  done; \
+	  if test "$$all" -eq 1; then \
+	    tests="test"; \
+	    All=""; \
+	  else \
+	    tests="tests"; \
+	    All="All "; \
+	  fi; \
 	  if test "$$failed" -eq 0; then \
 	    if test "$$xfail" -eq 0; then \
-	      banner="All $$all tests passed"; \
+	      banner="$$All$$all $$tests passed"; \
 	    else \
-	      banner="All $$all tests behaved as expected ($$xfail expected failures)"; \
+	      if test "$$xfail" -eq 1; then failures=failure; else failures=failures; fi; \
+	      banner="$$All$$all $$tests behaved as expected ($$xfail expected $$failures)"; \
 	    fi; \
 	  else \
 	    if test "$$xpass" -eq 0; then \
-	      banner="$$failed of $$all tests failed"; \
+	      banner="$$failed of $$all $$tests failed"; \
 	    else \
-	      banner="$$failed of $$all tests did not behave as expected ($$xpass unexpected passes)"; \
+	      if test "$$xpass" -eq 1; then passes=pass; else passes=passes; fi; \
+	      banner="$$failed of $$all $$tests did not behave as expected ($$xpass unexpected $$passes)"; \
 	    fi; \
 	  fi; \
 	  dashes="$$banner"; \
 	  skipped=""; \
 	  if test "$$skip" -ne 0; then \
-	    skipped="($$skip tests were not run)"; \
+	    if test "$$skip" -eq 1; then \
+	      skipped="($$skip test was not run)"; \
+	    else \
+	      skipped="($$skip tests were not run)"; \
+	    fi; \
 	    test `echo "$$skipped" | wc -c` -le `echo "$$banner" | wc -c` || \
 	      dashes="$$skipped"; \
 	  fi; \
@@ -2596,11 +2914,16 @@ check-TESTS: $(TESTS)
 	      dashes="$$report"; \
 	  fi; \
 	  dashes=`echo "$$dashes" | sed s/./=/g`; \
-	  echo "$$dashes"; \
-	  echo "$$banner"; \
-	  test -z "$$skipped" || echo "$$skipped"; \
-	  test -z "$$report" || echo "$$report"; \
-	  echo "$$dashes"; \
+	  if test "$$failed" -eq 0; then \
+	    col="$$grn"; \
+	  else \
+	    col="$$red"; \
+	  fi; \
+	  echo "$${col}$$dashes$${std}"; \
+	  echo "$${col}$$banner$${std}"; \
+	  test -z "$$skipped" || echo "$${col}$$skipped$${std}"; \
+	  test -z "$$report" || echo "$${col}$$report$${std}"; \
+	  echo "$${col}$$dashes$${std}"; \
 	  test "$$failed" -eq 0; \
 	else :; fi
 
@@ -2620,13 +2943,17 @@ distdir: $(DISTFILES)
 	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
 	  if test -d $$d/$$file; then \
 	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
-	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
-	      cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
 	    fi; \
-	    cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
 	  else \
-	    test -f $(distdir)/$$file \
-	    || cp -p $$d/$$file $(distdir)/$$file \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
 	    || exit 1; \
 	  fi; \
 	done
@@ -2653,10 +2980,15 @@ install-am: all-am
 
 installcheck: installcheck-am
 install-strip:
-	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
-	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
-	  `test -z '$(STRIP)' || \
-	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
 mostlyclean-generic:
 
 clean-generic:
@@ -2664,6 +2996,7 @@ clean-generic:
 
 distclean-generic:
 	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
 
 maintainer-clean-generic:
 	@echo "This command is intended for maintainers to use"
@@ -2687,6 +3020,8 @@ dvi-am:
 
 html: html-am
 
+html-am:
+
 info: info-am
 
 info-am:
@@ -2696,18 +3031,28 @@ install-data-am: install-nobase_dist_protoDATA \
 
 install-dvi: install-dvi-am
 
+install-dvi-am:
+
 install-exec-am: install-binPROGRAMS install-libLTLIBRARIES
 
 install-html: install-html-am
 
+install-html-am:
+
 install-info: install-info-am
 
+install-info-am:
+
 install-man:
 
 install-pdf: install-pdf-am
 
+install-pdf-am:
+
 install-ps: install-ps-am
 
+install-ps-am:
+
 installcheck-am:
 
 maintainer-clean: maintainer-clean-am
@@ -2732,7 +3077,7 @@ uninstall-am: uninstall-binPROGRAMS uninstall-libLTLIBRARIES \
 	uninstall-nobase_dist_protoDATA \
 	uninstall-nobase_includeHEADERS
 
-.MAKE: install-am install-strip
+.MAKE: all check check-am install install-am install-strip
 
 .PHONY: CTAGS GTAGS all all-am check check-TESTS check-am clean \
 	clean-binPROGRAMS clean-checkPROGRAMS clean-generic \
@@ -2770,6 +3115,7 @@ clean-local:
 @USE_EXTERNAL_PROTOC_FALSE@	touch unittest_proto_middleman
 
 $(protoc_outputs): unittest_proto_middleman
+
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
 .NOEXPORT:
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/code_generator.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/code_generator.cc
similarity index 89%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/code_generator.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/code_generator.cc
index 3413a36a..455c239a 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/code_generator.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/code_generator.cc
@@ -42,14 +42,19 @@ namespace protobuf {
 namespace compiler {
 
 CodeGenerator::~CodeGenerator() {}
-OutputDirectory::~OutputDirectory() {}
+GeneratorContext::~GeneratorContext() {}
 
-io::ZeroCopyOutputStream* OutputDirectory::OpenForInsert(
+io::ZeroCopyOutputStream* GeneratorContext::OpenForInsert(
     const string& filename, const string& insertion_point) {
-  GOOGLE_LOG(FATAL) << "This OutputDirectory does not support insertion.";
+  GOOGLE_LOG(FATAL) << "This GeneratorContext does not support insertion.";
   return NULL;  // make compiler happy
 }
 
+void GeneratorContext::ListParsedFiles(
+    vector<const FileDescriptor*>* output) {
+  GOOGLE_LOG(FATAL) << "This GeneratorContext does not support ListParsedFiles";
+}
+
 // Parses a set of comma-delimited name/value pairs.
 void ParseGeneratorParameter(const string& text,
                              vector<pair<string, string> >* output) {
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/code_generator.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/code_generator.h
similarity index 87%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/code_generator.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/code_generator.h
index ea094cdd..252f68d1 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/code_generator.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/code_generator.h
@@ -53,7 +53,7 @@ namespace compiler {
 
 // Defined in this file.
 class CodeGenerator;
-class OutputDirectory;
+class GeneratorContext;
 
 // The abstract interface to a class which generates code implementing a
 // particular proto file in a particular language.  A number of these may
@@ -76,7 +76,7 @@ class LIBPROTOC_EXPORT CodeGenerator {
   // the problem (e.g. "invalid parameter") and returns false.
   virtual bool Generate(const FileDescriptor* file,
                         const string& parameter,
-                        OutputDirectory* output_directory,
+                        GeneratorContext* generator_context,
                         string* error) const = 0;
 
  private:
@@ -85,11 +85,12 @@ class LIBPROTOC_EXPORT CodeGenerator {
 
 // CodeGenerators generate one or more files in a given directory.  This
 // abstract interface represents the directory to which the CodeGenerator is
-// to write.
-class LIBPROTOC_EXPORT OutputDirectory {
+// to write and other information about the context in which the Generator
+// runs.
+class LIBPROTOC_EXPORT GeneratorContext {
  public:
-  inline OutputDirectory() {}
-  virtual ~OutputDirectory();
+  inline GeneratorContext() {}
+  virtual ~GeneratorContext();
 
   // Opens the given file, truncating it if it exists, and returns a
   // ZeroCopyOutputStream that writes to the file.  The caller takes ownership
@@ -112,10 +113,19 @@ class LIBPROTOC_EXPORT OutputDirectory {
   virtual io::ZeroCopyOutputStream* OpenForInsert(
       const string& filename, const string& insertion_point);
 
+  // Returns a vector of FileDescriptors for all the files being compiled
+  // in this run.  Useful for languages, such as Go, that treat files
+  // differently when compiled as a set rather than individually.
+  virtual void ListParsedFiles(vector<const FileDescriptor*>* output);
+
  private:
-  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(OutputDirectory);
+  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(GeneratorContext);
 };
 
+// The type GeneratorContext was once called OutputDirectory. This typedef
+// provides backward compatibility.
+typedef GeneratorContext OutputDirectory;
+
 // Several code generators treat the parameter argument as holding a
 // list of options separated by commas.  This helper function parses
 // a set of comma-delimited name/value pairs: e.g.,
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/command_line_interface.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/command_line_interface.cc
similarity index 80%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/command_line_interface.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/command_line_interface.cc
index d3495ca6..b9293c97 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/command_line_interface.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/command_line_interface.cc
@@ -48,6 +48,9 @@
 #include <iostream>
 #include <ctype.h>
 
+#include <google/protobuf/stubs/hash.h>
+
+#include <google/protobuf/stubs/common.h>
 #include <google/protobuf/compiler/importer.h>
 #include <google/protobuf/compiler/code_generator.h>
 #include <google/protobuf/compiler/plugin.pb.h>
@@ -56,14 +59,13 @@
 #include <google/protobuf/descriptor.h>
 #include <google/protobuf/text_format.h>
 #include <google/protobuf/dynamic_message.h>
+#include <google/protobuf/io/coded_stream.h>
 #include <google/protobuf/io/zero_copy_stream_impl.h>
 #include <google/protobuf/io/printer.h>
-#include <google/protobuf/stubs/common.h>
 #include <google/protobuf/stubs/strutil.h>
 #include <google/protobuf/stubs/substitute.h>
 #include <google/protobuf/stubs/map-util.h>
-#include <google/protobuf/stubs/stl_util-inl.h>
-#include <google/protobuf/stubs/hash.h>
+#include <google/protobuf/stubs/stl_util.h>
 
 
 namespace google {
@@ -144,7 +146,7 @@ void AddTrailingSlash(string* path) {
 bool VerifyDirectoryExists(const string& path) {
   if (path.empty()) return true;
 
-  if (access(path.c_str(), W_OK) == -1) {
+  if (access(path.c_str(), F_OK) == -1) {
     cerr << path << ": " << strerror(errno) << endl;
     return false;
   } else {
@@ -182,14 +184,23 @@ bool TryCreateParentDirectory(const string& prefix, const string& filename) {
 class CommandLineInterface::ErrorPrinter : public MultiFileErrorCollector,
                                            public io::ErrorCollector {
  public:
-  ErrorPrinter(ErrorFormat format) : format_(format) {}
+  ErrorPrinter(ErrorFormat format, DiskSourceTree *tree = NULL)
+    : format_(format), tree_(tree) {}
   ~ErrorPrinter() {}
 
   // implements MultiFileErrorCollector ------------------------------
   void AddError(const string& filename, int line, int column,
                 const string& message) {
 
-    cerr << filename;
+    // Print full path when running under MSVS
+    string dfile;
+    if (format_ == CommandLineInterface::ERROR_FORMAT_MSVS &&
+        tree_ != NULL &&
+        tree_->VirtualFileToDiskFile(filename, &dfile)) {
+      cerr << dfile;
+    } else {
+      cerr << filename;
+    }
 
     // Users typically expect 1-based line/column numbers, so we add 1
     // to each here.
@@ -215,16 +226,17 @@ class CommandLineInterface::ErrorPrinter : public MultiFileErrorCollector,
 
  private:
   const ErrorFormat format_;
+  DiskSourceTree *tree_;
 };
 
 // -------------------------------------------------------------------
 
-// An OutputDirectory implementation that buffers files in memory, then dumps
+// A GeneratorContext implementation that buffers files in memory, then dumps
 // them all to disk on demand.
-class CommandLineInterface::MemoryOutputDirectory : public OutputDirectory {
+class CommandLineInterface::GeneratorContextImpl : public GeneratorContext {
  public:
-  MemoryOutputDirectory();
-  ~MemoryOutputDirectory();
+  GeneratorContextImpl(const vector<const FileDescriptor*>& parsed_files);
+  ~GeneratorContextImpl();
 
   // Write all files in the directory to disk at the given output location,
   // which must end in a '/'.
@@ -238,10 +250,13 @@ class CommandLineInterface::MemoryOutputDirectory : public OutputDirectory {
   // format, unless one has already been written.
   void AddJarManifest();
 
-  // implements OutputDirectory --------------------------------------
+  // implements GeneratorContext --------------------------------------
   io::ZeroCopyOutputStream* Open(const string& filename);
   io::ZeroCopyOutputStream* OpenForInsert(
       const string& filename, const string& insertion_point);
+  void ListParsedFiles(vector<const FileDescriptor*>* output) {
+    *output = parsed_files_;
+  }
 
  private:
   friend class MemoryOutputStream;
@@ -249,14 +264,15 @@ class CommandLineInterface::MemoryOutputDirectory : public OutputDirectory {
   // map instead of hash_map so that files are written in order (good when
   // writing zips).
   map<string, string*> files_;
+  const vector<const FileDescriptor*>& parsed_files_;
   bool had_error_;
 };
 
 class CommandLineInterface::MemoryOutputStream
     : public io::ZeroCopyOutputStream {
  public:
-  MemoryOutputStream(MemoryOutputDirectory* directory, const string& filename);
-  MemoryOutputStream(MemoryOutputDirectory* directory, const string& filename,
+  MemoryOutputStream(GeneratorContextImpl* directory, const string& filename);
+  MemoryOutputStream(GeneratorContextImpl* directory, const string& filename,
                      const string& insertion_point);
   virtual ~MemoryOutputStream();
 
@@ -267,7 +283,7 @@ class CommandLineInterface::MemoryOutputStream
 
  private:
   // Where to insert the string when it's done.
-  MemoryOutputDirectory* directory_;
+  GeneratorContextImpl* directory_;
   string filename_;
   string insertion_point_;
 
@@ -280,14 +296,17 @@ class CommandLineInterface::MemoryOutputStream
 
 // -------------------------------------------------------------------
 
-CommandLineInterface::MemoryOutputDirectory::MemoryOutputDirectory()
-    : had_error_(false) {}
+CommandLineInterface::GeneratorContextImpl::GeneratorContextImpl(
+    const vector<const FileDescriptor*>& parsed_files)
+    : parsed_files_(parsed_files),
+      had_error_(false) {
+}
 
-CommandLineInterface::MemoryOutputDirectory::~MemoryOutputDirectory() {
+CommandLineInterface::GeneratorContextImpl::~GeneratorContextImpl() {
   STLDeleteValues(&files_);
 }
 
-bool CommandLineInterface::MemoryOutputDirectory::WriteAllToDisk(
+bool CommandLineInterface::GeneratorContextImpl::WriteAllToDisk(
     const string& prefix) {
   if (had_error_) {
     return false;
@@ -362,7 +381,7 @@ bool CommandLineInterface::MemoryOutputDirectory::WriteAllToDisk(
   return true;
 }
 
-bool CommandLineInterface::MemoryOutputDirectory::WriteAllToZip(
+bool CommandLineInterface::GeneratorContextImpl::WriteAllToZip(
     const string& filename) {
   if (had_error_) {
     return false;
@@ -403,7 +422,7 @@ bool CommandLineInterface::MemoryOutputDirectory::WriteAllToZip(
   return true;
 }
 
-void CommandLineInterface::MemoryOutputDirectory::AddJarManifest() {
+void CommandLineInterface::GeneratorContextImpl::AddJarManifest() {
   string** map_slot = &files_["META-INF/MANIFEST.MF"];
   if (*map_slot == NULL) {
     *map_slot = new string(
@@ -413,13 +432,13 @@ void CommandLineInterface::MemoryOutputDirectory::AddJarManifest() {
   }
 }
 
-io::ZeroCopyOutputStream* CommandLineInterface::MemoryOutputDirectory::Open(
+io::ZeroCopyOutputStream* CommandLineInterface::GeneratorContextImpl::Open(
     const string& filename) {
   return new MemoryOutputStream(this, filename);
 }
 
 io::ZeroCopyOutputStream*
-CommandLineInterface::MemoryOutputDirectory::OpenForInsert(
+CommandLineInterface::GeneratorContextImpl::OpenForInsert(
     const string& filename, const string& insertion_point) {
   return new MemoryOutputStream(this, filename, insertion_point);
 }
@@ -427,14 +446,14 @@ CommandLineInterface::MemoryOutputDirectory::OpenForInsert(
 // -------------------------------------------------------------------
 
 CommandLineInterface::MemoryOutputStream::MemoryOutputStream(
-    MemoryOutputDirectory* directory, const string& filename)
+    GeneratorContextImpl* directory, const string& filename)
     : directory_(directory),
       filename_(filename),
       inner_(new io::StringOutputStream(&data_)) {
 }
 
 CommandLineInterface::MemoryOutputStream::MemoryOutputStream(
-    MemoryOutputDirectory* directory, const string& filename,
+    GeneratorContextImpl* directory, const string& filename,
     const string& insertion_point)
     : directory_(directory),
       filename_(filename),
@@ -548,6 +567,7 @@ CommandLineInterface::CommandLineInterface()
   : mode_(MODE_COMPILE),
     error_format_(ERROR_FORMAT_GCC),
     imports_in_descriptor_set_(false),
+    source_info_in_descriptor_set_(false),
     disallow_services_(false),
     inputs_are_proto_path_relative_(false) {}
 CommandLineInterface::~CommandLineInterface() {}
@@ -556,9 +576,23 @@ void CommandLineInterface::RegisterGenerator(const string& flag_name,
                                              CodeGenerator* generator,
                                              const string& help_text) {
   GeneratorInfo info;
+  info.flag_name = flag_name;
   info.generator = generator;
   info.help_text = help_text;
-  generators_[flag_name] = info;
+  generators_by_flag_name_[flag_name] = info;
+}
+
+void CommandLineInterface::RegisterGenerator(const string& flag_name,
+                                             const string& option_flag_name,
+                                             CodeGenerator* generator,
+                                             const string& help_text) {
+  GeneratorInfo info;
+  info.flag_name = flag_name;
+  info.option_flag_name = option_flag_name;
+  info.generator = generator;
+  info.help_text = help_text;
+  generators_by_flag_name_[flag_name] = info;
+  generators_by_option_name_[option_flag_name] = info;
 }
 
 void CommandLineInterface::AllowPlugins(const string& exe_name_prefix) {
@@ -567,7 +601,14 @@ void CommandLineInterface::AllowPlugins(const string& exe_name_prefix) {
 
 int CommandLineInterface::Run(int argc, const char* const argv[]) {
   Clear();
-  if (!ParseArguments(argc, argv)) return 1;
+  switch (ParseArguments(argc, argv)) {
+    case PARSE_ARGUMENT_DONE_AND_EXIT:
+      return 0;
+    case PARSE_ARGUMENT_FAIL:
+      return 1;
+    case PARSE_ARGUMENT_DONE_AND_CONTINUE:
+      break;
+  }
 
   // Set up the source tree.
   DiskSourceTree source_tree;
@@ -583,7 +624,7 @@ int CommandLineInterface::Run(int argc, const char* const argv[]) {
   }
 
   // Allocate the Importer.
-  ErrorPrinter error_collector(error_format_);
+  ErrorPrinter error_collector(error_format_, &source_tree);
   Importer importer(&source_tree, &error_collector);
 
   vector<const FileDescriptor*> parsed_files;
@@ -603,11 +644,11 @@ int CommandLineInterface::Run(int argc, const char* const argv[]) {
     }
   }
 
-  // We construct a separate OutputDirectory for each output location.  Note
+  // We construct a separate GeneratorContext for each output location.  Note
   // that two code generators may output to the same location, in which case
-  // they should share a single OutputDirectory (so that OpenForInsert() works).
-  typedef hash_map<string, MemoryOutputDirectory*> OutputDirectoryMap;
-  OutputDirectoryMap output_directories;
+  // they should share a single GeneratorContext so that OpenForInsert() works.
+  typedef hash_map<string, GeneratorContextImpl*> GeneratorContextMap;
+  GeneratorContextMap output_directories;
 
   // Generate output.
   if (mode_ == MODE_COMPILE) {
@@ -617,11 +658,11 @@ int CommandLineInterface::Run(int argc, const char* const argv[]) {
           !HasSuffixString(output_location, ".jar")) {
         AddTrailingSlash(&output_location);
       }
-      MemoryOutputDirectory** map_slot = &output_directories[output_location];
+      GeneratorContextImpl** map_slot = &output_directories[output_location];
 
       if (*map_slot == NULL) {
         // First time we've seen this output location.
-        *map_slot = new MemoryOutputDirectory;
+        *map_slot = new GeneratorContextImpl(parsed_files);
       }
 
       if (!GenerateOutput(parsed_files, output_directives_[i], *map_slot)) {
@@ -632,10 +673,10 @@ int CommandLineInterface::Run(int argc, const char* const argv[]) {
   }
 
   // Write all output to disk.
-  for (OutputDirectoryMap::iterator iter = output_directories.begin();
+  for (GeneratorContextMap::iterator iter = output_directories.begin();
        iter != output_directories.end(); ++iter) {
     const string& location = iter->first;
-    MemoryOutputDirectory* directory = iter->second;
+    GeneratorContextImpl* directory = iter->second;
     if (HasSuffixString(location, "/")) {
       if (!directory->WriteAllToDisk(location)) {
         STLDeleteValues(&output_directories);
@@ -695,6 +736,7 @@ void CommandLineInterface::Clear() {
 
   mode_ = MODE_COMPILE;
   imports_in_descriptor_set_ = false;
+  source_info_in_descriptor_set_ = false;
   disallow_services_ = false;
 }
 
@@ -737,7 +779,8 @@ bool CommandLineInterface::MakeInputsBeProtoPathRelative(
   return true;
 }
 
-bool CommandLineInterface::ParseArguments(int argc, const char* const argv[]) {
+CommandLineInterface::ParseArgumentStatus
+CommandLineInterface::ParseArguments(int argc, const char* const argv[]) {
   executable_name_ = argv[0];
 
   // Iterate through all arguments and parse them.
@@ -751,41 +794,50 @@ bool CommandLineInterface::ParseArguments(int argc, const char* const argv[]) {
         if (name == "--decode") {
           cerr << "To decode an unknown message, use --decode_raw." << endl;
         }
-        return false;
+        return PARSE_ARGUMENT_FAIL;
       } else {
         ++i;
         value = argv[i];
       }
     }
 
-    if (!InterpretArgument(name, value)) return false;
+    ParseArgumentStatus status = InterpretArgument(name, value);
+    if (status != PARSE_ARGUMENT_DONE_AND_CONTINUE)
+      return status;
   }
 
   // If no --proto_path was given, use the current working directory.
   if (proto_path_.empty()) {
-    proto_path_.push_back(make_pair("", "."));
+    // Don't use make_pair as the old/default standard library on Solaris
+    // doesn't support it without explicit template parameters, which are
+    // incompatible with C++0x's make_pair.
+    proto_path_.push_back(pair<string, string>("", "."));
   }
 
   // Check some errror cases.
   bool decoding_raw = (mode_ == MODE_DECODE) && codec_type_.empty();
   if (decoding_raw && !input_files_.empty()) {
     cerr << "When using --decode_raw, no input files should be given." << endl;
-    return false;
+    return PARSE_ARGUMENT_FAIL;
   } else if (!decoding_raw && input_files_.empty()) {
     cerr << "Missing input file." << endl;
-    return false;
+    return PARSE_ARGUMENT_FAIL;
   }
   if (mode_ == MODE_COMPILE && output_directives_.empty() &&
       descriptor_set_name_.empty()) {
     cerr << "Missing output directives." << endl;
-    return false;
+    return PARSE_ARGUMENT_FAIL;
   }
   if (imports_in_descriptor_set_ && descriptor_set_name_.empty()) {
     cerr << "--include_imports only makes sense when combined with "
             "--descriptor_set_out." << endl;
   }
+  if (source_info_in_descriptor_set_ && descriptor_set_name_.empty()) {
+    cerr << "--include_source_info only makes sense when combined with "
+            "--descriptor_set_out." << endl;
+  }
 
-  return true;
+  return PARSE_ARGUMENT_DONE_AND_CONTINUE;
 }
 
 bool CommandLineInterface::ParseArgument(const char* arg,
@@ -835,6 +887,7 @@ bool CommandLineInterface::ParseArgument(const char* arg,
   if (*name == "-h" || *name == "--help" ||
       *name == "--disallow_services" ||
       *name == "--include_imports" ||
+      *name == "--include_source_info" ||
       *name == "--version" ||
       *name == "--decode_raw") {
     // HACK:  These are the only flags that don't take a value.
@@ -847,8 +900,9 @@ bool CommandLineInterface::ParseArgument(const char* arg,
   return true;
 }
 
-bool CommandLineInterface::InterpretArgument(const string& name,
-                                             const string& value) {
+CommandLineInterface::ParseArgumentStatus
+CommandLineInterface::InterpretArgument(const string& name,
+                                        const string& value) {
   if (name.empty()) {
     // Not a flag.  Just a filename.
     if (value.empty()) {
@@ -856,7 +910,7 @@ bool CommandLineInterface::InterpretArgument(const string& name,
               "arguments to " << executable_name_ << ".  This is actually "
               "sort of hard to do.  Congrats.  Unfortunately it is not valid "
               "input so the program is going to die now." << endl;
-      return false;
+      return PARSE_ARGUMENT_FAIL;
     }
 
     input_files_.push_back(value);
@@ -872,7 +926,7 @@ bool CommandLineInterface::InterpretArgument(const string& name,
       string virtual_path;
       string disk_path;
 
-      int equals_pos = parts[i].find_first_of('=');
+      string::size_type equals_pos = parts[i].find_first_of('=');
       if (equals_pos == string::npos) {
         virtual_path = "";
         disk_path = parts[i];
@@ -884,7 +938,7 @@ bool CommandLineInterface::InterpretArgument(const string& name,
       if (disk_path.empty()) {
         cerr << "--proto_path passed empty directory name.  (Use \".\" for "
                 "current directory.)" << endl;
-        return false;
+        return PARSE_ARGUMENT_FAIL;
       }
 
       // Make sure disk path exists, warn otherwise.
@@ -892,35 +946,45 @@ bool CommandLineInterface::InterpretArgument(const string& name,
         cerr << disk_path << ": warning: directory does not exist." << endl;
       }
 
-      proto_path_.push_back(make_pair(virtual_path, disk_path));
+      // Don't use make_pair as the old/default standard library on Solaris
+      // doesn't support it without explicit template parameters, which are
+      // incompatible with C++0x's make_pair.
+      proto_path_.push_back(pair<string, string>(virtual_path, disk_path));
     }
 
   } else if (name == "-o" || name == "--descriptor_set_out") {
     if (!descriptor_set_name_.empty()) {
       cerr << name << " may only be passed once." << endl;
-      return false;
+      return PARSE_ARGUMENT_FAIL;
     }
     if (value.empty()) {
       cerr << name << " requires a non-empty value." << endl;
-      return false;
+      return PARSE_ARGUMENT_FAIL;
     }
     if (mode_ != MODE_COMPILE) {
       cerr << "Cannot use --encode or --decode and generate descriptors at the "
               "same time." << endl;
-      return false;
+      return PARSE_ARGUMENT_FAIL;
     }
     descriptor_set_name_ = value;
 
   } else if (name == "--include_imports") {
     if (imports_in_descriptor_set_) {
       cerr << name << " may only be passed once." << endl;
-      return false;
+      return PARSE_ARGUMENT_FAIL;
     }
     imports_in_descriptor_set_ = true;
 
+  } else if (name == "--include_source_info") {
+    if (source_info_in_descriptor_set_) {
+      cerr << name << " may only be passed once." << endl;
+      return PARSE_ARGUMENT_FAIL;
+    }
+    source_info_in_descriptor_set_ = true;
+
   } else if (name == "-h" || name == "--help") {
     PrintHelpText();
-    return false;  // Exit without running compiler.
+    return PARSE_ARGUMENT_DONE_AND_EXIT;  // Exit without running compiler.
 
   } else if (name == "--version") {
     if (!version_info_.empty()) {
@@ -929,7 +993,7 @@ bool CommandLineInterface::InterpretArgument(const string& name,
     cout << "libprotoc "
          << protobuf::internal::VersionString(GOOGLE_PROTOBUF_VERSION)
          << endl;
-    return false;  // Exit without running compiler.
+    return PARSE_ARGUMENT_DONE_AND_EXIT;  // Exit without running compiler.
 
   } else if (name == "--disallow_services") {
     disallow_services_ = true;
@@ -938,12 +1002,12 @@ bool CommandLineInterface::InterpretArgument(const string& name,
              name == "--decode_raw") {
     if (mode_ != MODE_COMPILE) {
       cerr << "Only one of --encode and --decode can be specified." << endl;
-      return false;
+      return PARSE_ARGUMENT_FAIL;
     }
     if (!output_directives_.empty() || !descriptor_set_name_.empty()) {
       cerr << "Cannot use " << name
            << " and generate code or descriptors at the same time." << endl;
-      return false;
+      return PARSE_ARGUMENT_FAIL;
     }
 
     mode_ = (name == "--encode") ? MODE_ENCODE : MODE_DECODE;
@@ -953,10 +1017,10 @@ bool CommandLineInterface::InterpretArgument(const string& name,
       if (name == "--decode") {
         cerr << "To decode an unknown message, use --decode_raw." << endl;
       }
-      return false;
+      return PARSE_ARGUMENT_FAIL;
     } else if (!value.empty() && name == "--decode_raw") {
       cerr << "--decode_raw does not take a parameter." << endl;
-      return false;
+      return PARSE_ARGUMENT_FAIL;
     }
 
     codec_type_ = value;
@@ -968,16 +1032,16 @@ bool CommandLineInterface::InterpretArgument(const string& name,
       error_format_ = ERROR_FORMAT_MSVS;
     } else {
       cerr << "Unknown error format: " << value << endl;
-      return false;
+      return PARSE_ARGUMENT_FAIL;
     }
 
   } else if (name == "--plugin") {
     if (plugin_prefix_.empty()) {
       cerr << "This compiler does not support plugins." << endl;
-      return false;
+      return PARSE_ARGUMENT_FAIL;
     }
 
-    string name;
+    string plugin_name;
     string path;
 
     string::size_type equals_pos = value.find_first_of('=');
@@ -985,57 +1049,68 @@ bool CommandLineInterface::InterpretArgument(const string& name,
       // Use the basename of the file.
       string::size_type slash_pos = value.find_last_of('/');
       if (slash_pos == string::npos) {
-        name = value;
+        plugin_name = value;
       } else {
-        name = value.substr(slash_pos + 1);
+        plugin_name = value.substr(slash_pos + 1);
       }
       path = value;
     } else {
-      name = value.substr(0, equals_pos);
+      plugin_name = value.substr(0, equals_pos);
       path = value.substr(equals_pos + 1);
     }
 
-    plugins_[name] = path;
+    plugins_[plugin_name] = path;
 
   } else {
     // Some other flag.  Look it up in the generators list.
-    const GeneratorInfo* generator_info = FindOrNull(generators_, name);
+    const GeneratorInfo* generator_info =
+        FindOrNull(generators_by_flag_name_, name);
     if (generator_info == NULL &&
         (plugin_prefix_.empty() || !HasSuffixString(name, "_out"))) {
-      cerr << "Unknown flag: " << name << endl;
-      return false;
-    }
-
-    // It's an output flag.  Add it to the output directives.
-    if (mode_ != MODE_COMPILE) {
-      cerr << "Cannot use --encode or --decode and generate code at the "
-              "same time." << endl;
-      return false;
-    }
-
-    OutputDirective directive;
-    directive.name = name;
-    if (generator_info == NULL) {
-      directive.generator = NULL;
+      // Check if it's a generator option flag.
+      generator_info = FindOrNull(generators_by_option_name_, name);
+      if (generator_info == NULL) {
+        cerr << "Unknown flag: " << name << endl;
+        return PARSE_ARGUMENT_FAIL;
+      } else {
+        string* parameters = &generator_parameters_[generator_info->flag_name];
+        if (!parameters->empty()) {
+          parameters->append(",");
+        }
+        parameters->append(value);
+      }
     } else {
-      directive.generator = generator_info->generator;
-    }
+      // It's an output flag.  Add it to the output directives.
+      if (mode_ != MODE_COMPILE) {
+        cerr << "Cannot use --encode or --decode and generate code at the "
+                "same time." << endl;
+        return PARSE_ARGUMENT_FAIL;
+      }
 
-    // Split value at ':' to separate the generator parameter from the
-    // filename.  However, avoid doing this if the colon is part of a valid
-    // Windows-style absolute path.
-    string::size_type colon_pos = value.find_first_of(':');
-    if (colon_pos == string::npos || IsWindowsAbsolutePath(value)) {
-      directive.output_location = value;
-    } else {
-      directive.parameter = value.substr(0, colon_pos);
-      directive.output_location = value.substr(colon_pos + 1);
-    }
+      OutputDirective directive;
+      directive.name = name;
+      if (generator_info == NULL) {
+        directive.generator = NULL;
+      } else {
+        directive.generator = generator_info->generator;
+      }
 
-    output_directives_.push_back(directive);
+      // Split value at ':' to separate the generator parameter from the
+      // filename.  However, avoid doing this if the colon is part of a valid
+      // Windows-style absolute path.
+      string::size_type colon_pos = value.find_first_of(':');
+      if (colon_pos == string::npos || IsWindowsAbsolutePath(value)) {
+        directive.output_location = value;
+      } else {
+        directive.parameter = value.substr(0, colon_pos);
+        directive.output_location = value.substr(colon_pos + 1);
+      }
+
+      output_directives_.push_back(directive);
+    }
   }
 
-  return true;
+  return PARSE_ARGUMENT_DONE_AND_CONTINUE;
 }
 
 void CommandLineInterface::PrintHelpText() {
@@ -1068,6 +1143,12 @@ void CommandLineInterface::PrintHelpText() {
 "  --include_imports           When using --descriptor_set_out, also include\n"
 "                              all dependencies of the input files in the\n"
 "                              set, so that the set is self-contained.\n"
+"  --include_source_info       When using --descriptor_set_out, do not strip\n"
+"                              SourceCodeInfo from the FileDescriptorProto.\n"
+"                              This results in vastly larger descriptors that\n"
+"                              include information about the original\n"
+"                              location of each decl in the source file as\n"
+"                              well as surrounding comments.\n"
 "  --error_format=FORMAT       Set the format in which to print errors.\n"
 "                              FORMAT may be 'gcc' (the default) or 'msvs'\n"
 "                              (Microsoft Visual Studio format)." << endl;
@@ -1083,8 +1164,8 @@ void CommandLineInterface::PrintHelpText() {
 "                              the executable's own name differs." << endl;
   }
 
-  for (GeneratorMap::iterator iter = generators_.begin();
-       iter != generators_.end(); ++iter) {
+  for (GeneratorMap::iterator iter = generators_by_flag_name_.begin();
+       iter != generators_by_flag_name_.end(); ++iter) {
     // FIXME(kenton):  If the text is long enough it will wrap, which is ugly,
     //   but fixing this nicely (e.g. splitting on spaces) is probably more
     //   trouble than it's worth.
@@ -1097,7 +1178,7 @@ void CommandLineInterface::PrintHelpText() {
 bool CommandLineInterface::GenerateOutput(
     const vector<const FileDescriptor*>& parsed_files,
     const OutputDirective& output_directive,
-    OutputDirectory* output_directory) {
+    GeneratorContext* generator_context) {
   // Call the generator.
   string error;
   if (output_directive.generator == NULL) {
@@ -1112,16 +1193,22 @@ bool CommandLineInterface::GenerateOutput(
 
     if (!GeneratePluginOutput(parsed_files, plugin_name,
                               output_directive.parameter,
-                              output_directory, &error)) {
+                              generator_context, &error)) {
       cerr << output_directive.name << ": " << error << endl;
       return false;
     }
   } else {
     // Regular generator.
+    string parameters = output_directive.parameter;
+    if (!generator_parameters_[output_directive.name].empty()) {
+      if (!parameters.empty()) {
+        parameters.append(",");
+      }
+      parameters.append(generator_parameters_[output_directive.name]);
+    }
     for (int i = 0; i < parsed_files.size(); i++) {
-      if (!output_directive.generator->Generate(
-          parsed_files[i], output_directive.parameter,
-          output_directory, &error)) {
+      if (!output_directive.generator->Generate(parsed_files[i], parameters,
+                                                generator_context, &error)) {
         // Generator returned an error.
         cerr << output_directive.name << ": " << parsed_files[i]->name() << ": "
              << error << endl;
@@ -1137,7 +1224,7 @@ bool CommandLineInterface::GeneratePluginOutput(
     const vector<const FileDescriptor*>& parsed_files,
     const string& plugin_name,
     const string& parameter,
-    OutputDirectory* output_directory,
+    GeneratorContext* generator_context,
     string* error) {
   CodeGeneratorRequest request;
   CodeGeneratorResponse response;
@@ -1150,8 +1237,9 @@ bool CommandLineInterface::GeneratePluginOutput(
   set<const FileDescriptor*> already_seen;
   for (int i = 0; i < parsed_files.size(); i++) {
     request.add_file_to_generate(parsed_files[i]->name());
-    GetTransitiveDependencies(parsed_files[i], &already_seen,
-                              request.mutable_proto_file());
+    GetTransitiveDependencies(parsed_files[i],
+                              true,  // Include source code info.
+                              &already_seen, request.mutable_proto_file());
   }
 
   // Invoke the plugin.
@@ -1180,14 +1268,14 @@ bool CommandLineInterface::GeneratePluginOutput(
       // We reset current_output to NULL first so that the old file is closed
       // before the new one is opened.
       current_output.reset();
-      current_output.reset(output_directory->OpenForInsert(
+      current_output.reset(generator_context->OpenForInsert(
           output_file.name(), output_file.insertion_point()));
     } else if (!output_file.name().empty()) {
       // Starting a new file.  Open it.
       // We reset current_output to NULL first so that the old file is closed
       // before the new one is opened.
       current_output.reset();
-      current_output.reset(output_directory->Open(output_file.name()));
+      current_output.reset(generator_context->Open(output_file.name()));
     } else if (current_output == NULL) {
       *error = strings::Substitute(
         "$0: First file chunk returned by plugin did not specify a file name.",
@@ -1281,12 +1369,17 @@ bool CommandLineInterface::WriteDescriptorSet(
   if (imports_in_descriptor_set_) {
     set<const FileDescriptor*> already_seen;
     for (int i = 0; i < parsed_files.size(); i++) {
-      GetTransitiveDependencies(
-          parsed_files[i], &already_seen, file_set.mutable_file());
+      GetTransitiveDependencies(parsed_files[i],
+                                source_info_in_descriptor_set_,
+                                &already_seen, file_set.mutable_file());
     }
   } else {
     for (int i = 0; i < parsed_files.size(); i++) {
-      parsed_files[i]->CopyTo(file_set.add_file());
+      FileDescriptorProto* file_proto = file_set.add_file();
+      parsed_files[i]->CopyTo(file_proto);
+      if (source_info_in_descriptor_set_) {
+        parsed_files[i]->CopySourceCodeInfoTo(file_proto);
+      }
     }
   }
 
@@ -1316,7 +1409,7 @@ bool CommandLineInterface::WriteDescriptorSet(
 }
 
 void CommandLineInterface::GetTransitiveDependencies(
-    const FileDescriptor* file,
+    const FileDescriptor* file, bool include_source_code_info,
     set<const FileDescriptor*>* already_seen,
     RepeatedPtrField<FileDescriptorProto>* output) {
   if (!already_seen->insert(file).second) {
@@ -1326,11 +1419,16 @@ void CommandLineInterface::GetTransitiveDependencies(
 
   // Add all dependencies.
   for (int i = 0; i < file->dependency_count(); i++) {
-    GetTransitiveDependencies(file->dependency(i), already_seen, output);
+    GetTransitiveDependencies(file->dependency(i), include_source_code_info,
+                              already_seen, output);
   }
 
   // Add this file.
-  file->CopyTo(output->Add());
+  FileDescriptorProto* new_descriptor = output->Add();
+  file->CopyTo(new_descriptor);
+  if (include_source_code_info) {
+    file->CopySourceCodeInfoTo(new_descriptor);
+  }
 }
 
 
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/command_line_interface.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/command_line_interface.h
similarity index 85%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/command_line_interface.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/command_line_interface.h
index d25a50e6..86ea9bde 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/command_line_interface.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/command_line_interface.h
@@ -56,7 +56,7 @@ template<typename T> class RepeatedPtrField;  // repeated_field.h
 namespace compiler {
 
 class CodeGenerator;        // code_generator.h
-class OutputDirectory;      // code_generator.h
+class GeneratorContext;      // code_generator.h
 class DiskSourceTree;       // importer.h
 
 // This class implements the command-line interface to the protocol compiler.
@@ -112,6 +112,19 @@ class LIBPROTOC_EXPORT CommandLineInterface {
                          CodeGenerator* generator,
                          const string& help_text);
 
+  // Register a code generator for a language.
+  // Besides flag_name you can specify another option_flag_name that could be
+  // used to pass extra parameters to the registered code generator.
+  // Suppose you have registered a generator by calling:
+  //   command_line_interface.RegisterGenerator("--foo_out", "--foo_opt", ...)
+  // Then you could invoke the compiler with a command like:
+  //   protoc --foo_out=enable_bar:outdir --foo_opt=enable_baz
+  // This will pass "enable_bar,enable_baz" as the parameter to the generator.
+  void RegisterGenerator(const string& flag_name,
+                         const string& option_flag_name,
+                         CodeGenerator* generator,
+                         const string& help_text);
+
   // Enables "plugins".  In this mode, if a command-line flag ends with "_out"
   // but does not match any registered generator, the compiler will attempt to
   // find a "plugin" to implement the generator.  Plugins are just executables.
@@ -174,7 +187,7 @@ class LIBPROTOC_EXPORT CommandLineInterface {
   // -----------------------------------------------------------------
 
   class ErrorPrinter;
-  class MemoryOutputDirectory;
+  class GeneratorContextImpl;
   class MemoryOutputStream;
 
   // Clear state from previous Run().
@@ -186,8 +199,15 @@ class LIBPROTOC_EXPORT CommandLineInterface {
   bool MakeInputsBeProtoPathRelative(
     DiskSourceTree* source_tree);
 
+  // Return status for ParseArguments() and InterpretArgument().
+  enum ParseArgumentStatus {
+    PARSE_ARGUMENT_DONE_AND_CONTINUE,
+    PARSE_ARGUMENT_DONE_AND_EXIT,
+    PARSE_ARGUMENT_FAIL
+  };
+
   // Parse all command-line arguments.
-  bool ParseArguments(int argc, const char* const argv[]);
+  ParseArgumentStatus ParseArguments(int argc, const char* const argv[]);
 
   // Parses a command-line argument into a name/value pair.  Returns
   // true if the next argument in the argv should be used as the value,
@@ -203,7 +223,8 @@ class LIBPROTOC_EXPORT CommandLineInterface {
   bool ParseArgument(const char* arg, string* name, string* value);
 
   // Interprets arguments parsed with ParseArgument.
-  bool InterpretArgument(const string& name, const string& value);
+  ParseArgumentStatus InterpretArgument(const string& name,
+                                        const string& value);
 
   // Print the --help text to stderr.
   void PrintHelpText();
@@ -212,11 +233,11 @@ class LIBPROTOC_EXPORT CommandLineInterface {
   struct OutputDirective;  // see below
   bool GenerateOutput(const vector<const FileDescriptor*>& parsed_files,
                       const OutputDirective& output_directive,
-                      OutputDirectory* output_directory);
+                      GeneratorContext* generator_context);
   bool GeneratePluginOutput(const vector<const FileDescriptor*>& parsed_files,
                             const string& plugin_name,
                             const string& parameter,
-                            OutputDirectory* output_directory,
+                            GeneratorContext* generator_context,
                             string* error);
 
   // Implements --encode and --decode.
@@ -230,9 +251,11 @@ class LIBPROTOC_EXPORT CommandLineInterface {
   // protos will be ordered such that every file is listed before any file that
   // depends on it, so that you can call DescriptorPool::BuildFile() on them
   // in order.  Any files in *already_seen will not be added, and each file
-  // added will be inserted into *already_seen.
+  // added will be inserted into *already_seen.  If include_source_code_info is
+  // true then include the source code information in the FileDescriptorProtos.
   static void GetTransitiveDependencies(
       const FileDescriptor* file,
+      bool include_source_code_info,
       set<const FileDescriptor*>* already_seen,
       RepeatedPtrField<FileDescriptorProto>* output);
 
@@ -244,13 +267,21 @@ class LIBPROTOC_EXPORT CommandLineInterface {
   // Version info set with SetVersionInfo().
   string version_info_;
 
-  // Map from flag names to registered generators.
+  // Registered generators.
   struct GeneratorInfo {
+    string flag_name;
+    string option_flag_name;
     CodeGenerator* generator;
     string help_text;
   };
   typedef map<string, GeneratorInfo> GeneratorMap;
-  GeneratorMap generators_;
+  GeneratorMap generators_by_flag_name_;
+  GeneratorMap generators_by_option_name_;
+  // A map from generator names to the parameters specified using the option
+  // flag. For example, if the user invokes the compiler with:
+  //   protoc --foo_out=outputdir --foo_opt=enable_bar ...
+  // Then there will be an entry ("--foo_out", "enable_bar") in this map.
+  map<string, string> generator_parameters_;
 
   // See AllowPlugins().  If this is empty, plugins aren't allowed.
   string plugin_prefix_;
@@ -302,6 +333,10 @@ class LIBPROTOC_EXPORT CommandLineInterface {
   // the .proto files listed on the command-line are added.
   bool imports_in_descriptor_set_;
 
+  // True if --include_source_info was given, meaning that we should not strip
+  // SourceCodeInfo from the DescriptorSet.
+  bool source_info_in_descriptor_set_;
+
   // Was the --disallow_services flag used?
   bool disallow_services_;
 
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/command_line_interface_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/command_line_interface_unittest.cc
similarity index 86%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/command_line_interface_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/command_line_interface_unittest.cc
index 9129ebf0..16559923 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/command_line_interface_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/command_line_interface_unittest.cc
@@ -48,6 +48,7 @@
 #include <google/protobuf/compiler/command_line_interface.h>
 #include <google/protobuf/compiler/code_generator.h>
 #include <google/protobuf/compiler/mock_code_generator.h>
+#include <google/protobuf/compiler/subprocess.h>
 #include <google/protobuf/io/printer.h>
 #include <google/protobuf/unittest.pb.h>
 #include <google/protobuf/testing/file.h>
@@ -121,6 +122,10 @@ class CommandLineInterfaceTest : public testing::Test {
   // substring.
   void ExpectErrorSubstring(const string& expected_substring);
 
+  // Like ExpectErrorSubstring, but checks that Run() returned zero.
+  void ExpectErrorSubstringWithZeroReturnCode(
+      const string& expected_substring);
+
   // Returns true if ExpectErrorSubstring(expected_substring) would pass, but
   // does not fail otherwise.
   bool HasAlternateErrorSubstring(const string& expected_substring);
@@ -143,6 +148,10 @@ class CommandLineInterfaceTest : public testing::Test {
                        const string& proto_name,
                        const string& message_name,
                        const string& output_directory);
+  void ExpectGeneratedWithMultipleInputs(const string& generator_name,
+                                         const string& all_proto_names,
+                                         const string& proto_name,
+                                         const string& message_name);
   void ExpectGeneratedWithInsertions(const string& generator_name,
                                      const string& parameter,
                                      const string& insertions,
@@ -190,7 +199,7 @@ class CommandLineInterfaceTest::NullCodeGenerator : public CodeGenerator {
   // implements CodeGenerator ----------------------------------------
   bool Generate(const FileDescriptor* file,
                 const string& parameter,
-                OutputDirectory* output_directory,
+                GeneratorContext* context,
                 string* error) const {
     called_ = true;
     parameter_ = parameter;
@@ -220,7 +229,7 @@ void CommandLineInterfaceTest::SetUp() {
   // Register generators.
   CodeGenerator* generator = new MockCodeGenerator("test_generator");
   mock_generators_to_delete_.push_back(generator);
-  cli_.RegisterGenerator("--test_out", generator, "Test output.");
+  cli_.RegisterGenerator("--test_out", "--test_opt", generator, "Test output.");
   cli_.RegisterGenerator("-t", generator, "Test output.");
 
   generator = new MockCodeGenerator("alt_generator");
@@ -251,7 +260,6 @@ void CommandLineInterfaceTest::Run(const string& command) {
 
   if (!disallow_plugins_) {
     cli_.AllowPlugins("prefix-");
-
     const char* possible_paths[] = {
       // When building with shared libraries, libtool hides the real executable
       // in .libs and puts a fake wrapper in the current directory.
@@ -341,6 +349,12 @@ void CommandLineInterfaceTest::ExpectErrorSubstring(
   EXPECT_PRED_FORMAT2(testing::IsSubstring, expected_substring, error_text_);
 }
 
+void CommandLineInterfaceTest::ExpectErrorSubstringWithZeroReturnCode(
+    const string& expected_substring) {
+  EXPECT_EQ(0, return_code_);
+  EXPECT_PRED_FORMAT2(testing::IsSubstring, expected_substring, error_text_);
+}
+
 bool CommandLineInterfaceTest::HasAlternateErrorSubstring(
     const string& expected_substring) {
   EXPECT_NE(0, return_code_);
@@ -353,7 +367,8 @@ void CommandLineInterfaceTest::ExpectGenerated(
     const string& proto_name,
     const string& message_name) {
   MockCodeGenerator::ExpectGenerated(
-      generator_name, parameter, "", proto_name, message_name, temp_directory_);
+      generator_name, parameter, "", proto_name, message_name, proto_name,
+      temp_directory_);
 }
 
 void CommandLineInterfaceTest::ExpectGenerated(
@@ -363,10 +378,21 @@ void CommandLineInterfaceTest::ExpectGenerated(
     const string& message_name,
     const string& output_directory) {
   MockCodeGenerator::ExpectGenerated(
-      generator_name, parameter, "", proto_name, message_name,
+      generator_name, parameter, "", proto_name, message_name, proto_name,
       temp_directory_ + "/" + output_directory);
 }
 
+void CommandLineInterfaceTest::ExpectGeneratedWithMultipleInputs(
+    const string& generator_name,
+    const string& all_proto_names,
+    const string& proto_name,
+    const string& message_name) {
+  MockCodeGenerator::ExpectGenerated(
+      generator_name, "", "", proto_name, message_name,
+      all_proto_names,
+      temp_directory_);
+}
+
 void CommandLineInterfaceTest::ExpectGeneratedWithInsertions(
     const string& generator_name,
     const string& parameter,
@@ -375,7 +401,7 @@ void CommandLineInterfaceTest::ExpectGeneratedWithInsertions(
     const string& message_name) {
   MockCodeGenerator::ExpectGenerated(
       generator_name, parameter, insertions, proto_name, message_name,
-      temp_directory_);
+      proto_name, temp_directory_);
 }
 
 void CommandLineInterfaceTest::ExpectNullCodeGeneratorCalled(
@@ -455,8 +481,44 @@ TEST_F(CommandLineInterfaceTest, MultipleInputs) {
       "--proto_path=$tmpdir foo.proto bar.proto");
 
   ExpectNoErrors();
-  ExpectGenerated("test_generator", "", "foo.proto", "Foo");
-  ExpectGenerated("test_generator", "", "bar.proto", "Bar");
+  ExpectGeneratedWithMultipleInputs("test_generator", "foo.proto,bar.proto",
+                                    "foo.proto", "Foo");
+  ExpectGeneratedWithMultipleInputs("test_generator", "foo.proto,bar.proto",
+                                    "bar.proto", "Bar");
+  ExpectGeneratedWithMultipleInputs("test_plugin", "foo.proto,bar.proto",
+                                    "foo.proto", "Foo");
+  ExpectGeneratedWithMultipleInputs("test_plugin", "foo.proto,bar.proto",
+                                    "bar.proto", "Bar");
+}
+
+TEST_F(CommandLineInterfaceTest, MultipleInputsWithImport) {
+  // Test parsing multiple input files with an import of a separate file.
+
+  CreateTempFile("foo.proto",
+    "syntax = \"proto2\";\n"
+    "message Foo {}\n");
+  CreateTempFile("bar.proto",
+    "syntax = \"proto2\";\n"
+    "import \"baz.proto\";\n"
+    "message Bar {\n"
+    "  optional Baz a = 1;\n"
+    "}\n");
+  CreateTempFile("baz.proto",
+    "syntax = \"proto2\";\n"
+    "message Baz {}\n");
+
+  Run("protocol_compiler --test_out=$tmpdir --plug_out=$tmpdir "
+      "--proto_path=$tmpdir foo.proto bar.proto");
+
+  ExpectNoErrors();
+  ExpectGeneratedWithMultipleInputs("test_generator", "foo.proto,bar.proto",
+                                    "foo.proto", "Foo");
+  ExpectGeneratedWithMultipleInputs("test_generator", "foo.proto,bar.proto",
+                                    "bar.proto", "Bar");
+  ExpectGeneratedWithMultipleInputs("test_plugin", "foo.proto,bar.proto",
+                                    "foo.proto", "Foo");
+  ExpectGeneratedWithMultipleInputs("test_plugin", "foo.proto,bar.proto",
+                                    "bar.proto", "Bar");
 }
 
 TEST_F(CommandLineInterfaceTest, CreateDirectory) {
@@ -492,6 +554,32 @@ TEST_F(CommandLineInterfaceTest, GeneratorParameters) {
   ExpectGenerated("test_plugin", "TestPluginParameter", "foo.proto", "Foo");
 }
 
+TEST_F(CommandLineInterfaceTest, ExtraGeneratorParameters) {
+  // Test that generator parameters specified with the option flag are
+  // correctly passed to the code generator.
+
+  CreateTempFile("foo.proto",
+    "syntax = \"proto2\";\n"
+    "message Foo {}\n");
+  // Create the "a" and "b" sub-directories.
+  CreateTempDir("a");
+  CreateTempDir("b");
+
+  Run("protocol_compiler "
+      "--test_opt=foo1 "
+      "--test_out=bar:$tmpdir/a "
+      "--test_opt=foo2 "
+      "--test_out=baz:$tmpdir/b "
+      "--test_opt=foo3 "
+      "--proto_path=$tmpdir foo.proto");
+
+  ExpectNoErrors();
+  ExpectGenerated(
+      "test_generator", "bar,foo1,foo2,foo3", "foo.proto", "Foo", "a");
+  ExpectGenerated(
+      "test_generator", "baz,foo1,foo2,foo3", "foo.proto", "Foo", "b");
+}
+
 TEST_F(CommandLineInterfaceTest, Insert) {
   // Test running a generator that inserts code into another's output.
 
@@ -515,7 +603,7 @@ TEST_F(CommandLineInterfaceTest, Insert) {
       "foo.proto", "Foo");
 }
 
-#if defined(_WIN32) || defined(__CYGWIN__)
+#if defined(_WIN32)
 
 TEST_F(CommandLineInterfaceTest, WindowsOutputPath) {
   // Test that the output path can be a Windows-style path.
@@ -727,6 +815,33 @@ TEST_F(CommandLineInterfaceTest, WriteDescriptorSet) {
   if (HasFatalFailure()) return;
   ASSERT_EQ(1, descriptor_set.file_size());
   EXPECT_EQ("bar.proto", descriptor_set.file(0).name());
+  // Descriptor set should not have source code info.
+  EXPECT_FALSE(descriptor_set.file(0).has_source_code_info());
+}
+
+TEST_F(CommandLineInterfaceTest, WriteDescriptorSetWithSourceInfo) {
+  CreateTempFile("foo.proto",
+    "syntax = \"proto2\";\n"
+    "message Foo {}\n");
+  CreateTempFile("bar.proto",
+    "syntax = \"proto2\";\n"
+    "import \"foo.proto\";\n"
+    "message Bar {\n"
+    "  optional Foo foo = 1;\n"
+    "}\n");
+
+  Run("protocol_compiler --descriptor_set_out=$tmpdir/descriptor_set "
+      "--include_source_info --proto_path=$tmpdir bar.proto");
+
+  ExpectNoErrors();
+
+  FileDescriptorSet descriptor_set;
+  ReadDescriptorSet("descriptor_set", &descriptor_set);
+  if (HasFatalFailure()) return;
+  ASSERT_EQ(1, descriptor_set.file_size());
+  EXPECT_EQ("bar.proto", descriptor_set.file(0).name());
+  // Source code info included.
+  EXPECT_TRUE(descriptor_set.file(0).has_source_code_info());
 }
 
 TEST_F(CommandLineInterfaceTest, WriteTransitiveDescriptorSet) {
@@ -755,6 +870,40 @@ TEST_F(CommandLineInterfaceTest, WriteTransitiveDescriptorSet) {
   }
   EXPECT_EQ("foo.proto", descriptor_set.file(0).name());
   EXPECT_EQ("bar.proto", descriptor_set.file(1).name());
+  // Descriptor set should not have source code info.
+  EXPECT_FALSE(descriptor_set.file(0).has_source_code_info());
+  EXPECT_FALSE(descriptor_set.file(1).has_source_code_info());
+}
+
+TEST_F(CommandLineInterfaceTest, WriteTransitiveDescriptorSetWithSourceInfo) {
+  CreateTempFile("foo.proto",
+    "syntax = \"proto2\";\n"
+    "message Foo {}\n");
+  CreateTempFile("bar.proto",
+    "syntax = \"proto2\";\n"
+    "import \"foo.proto\";\n"
+    "message Bar {\n"
+    "  optional Foo foo = 1;\n"
+    "}\n");
+
+  Run("protocol_compiler --descriptor_set_out=$tmpdir/descriptor_set "
+      "--include_imports --include_source_info --proto_path=$tmpdir bar.proto");
+
+  ExpectNoErrors();
+
+  FileDescriptorSet descriptor_set;
+  ReadDescriptorSet("descriptor_set", &descriptor_set);
+  if (HasFatalFailure()) return;
+  ASSERT_EQ(2, descriptor_set.file_size());
+  if (descriptor_set.file(0).name() == "bar.proto") {
+    std::swap(descriptor_set.mutable_file()->mutable_data()[0],
+              descriptor_set.mutable_file()->mutable_data()[1]);
+  }
+  EXPECT_EQ("foo.proto", descriptor_set.file(0).name());
+  EXPECT_EQ("bar.proto", descriptor_set.file(1).name());
+  // Source code info included.
+  EXPECT_TRUE(descriptor_set.file(0).has_source_code_info());
+  EXPECT_TRUE(descriptor_set.file(1).has_source_code_info());
 }
 
 // -------------------------------------------------------------------
@@ -1077,6 +1226,17 @@ TEST_F(CommandLineInterfaceTest, GeneratorPluginCrash) {
 #endif
 }
 
+TEST_F(CommandLineInterfaceTest, PluginReceivesSourceCodeInfo) {
+  CreateTempFile("foo.proto",
+    "syntax = \"proto2\";\n"
+    "message MockCodeGenerator_HasSourceCodeInfo {}\n");
+
+  Run("protocol_compiler --plug_out=$tmpdir --proto_path=$tmpdir foo.proto");
+
+  ExpectErrorSubstring(
+      "Saw message type MockCodeGenerator_HasSourceCodeInfo: 1.");
+}
+
 TEST_F(CommandLineInterfaceTest, GeneratorPluginNotFound) {
   // Test what happens if the plugin isn't found.
 
@@ -1089,9 +1249,8 @@ TEST_F(CommandLineInterfaceTest, GeneratorPluginNotFound) {
       "--proto_path=$tmpdir error.proto");
 
 #ifdef _WIN32
-  ExpectErrorSubstring(
-      "--badplug_out: prefix-gen-badplug: The system cannot find the file "
-        "specified.");
+  ExpectErrorSubstring("--badplug_out: prefix-gen-badplug: " +
+      Subprocess::Win32ErrorMessage(ERROR_FILE_NOT_FOUND));
 #else
   // Error written to stdout by child process after exec() fails.
   ExpectErrorSubstring(
@@ -1120,11 +1279,11 @@ TEST_F(CommandLineInterfaceTest, GeneratorPluginNotAllowed) {
 TEST_F(CommandLineInterfaceTest, HelpText) {
   Run("test_exec_name --help");
 
-  ExpectErrorSubstring("Usage: test_exec_name ");
-  ExpectErrorSubstring("--test_out=OUT_DIR");
-  ExpectErrorSubstring("Test output.");
-  ExpectErrorSubstring("--alt_out=OUT_DIR");
-  ExpectErrorSubstring("Alt output.");
+  ExpectErrorSubstringWithZeroReturnCode("Usage: test_exec_name ");
+  ExpectErrorSubstringWithZeroReturnCode("--test_out=OUT_DIR");
+  ExpectErrorSubstringWithZeroReturnCode("Test output.");
+  ExpectErrorSubstringWithZeroReturnCode("--alt_out=OUT_DIR");
+  ExpectErrorSubstringWithZeroReturnCode("Alt output.");
 }
 
 TEST_F(CommandLineInterfaceTest, GccFormatErrors) {
@@ -1153,7 +1312,7 @@ TEST_F(CommandLineInterfaceTest, MsvsFormatErrors) {
       "--proto_path=$tmpdir --error_format=msvs foo.proto");
 
   ExpectErrorText(
-    "foo.proto(2) : error in column=1: Expected top-level statement "
+    "$tmpdir/foo.proto(2) : error in column=1: Expected top-level statement "
       "(e.g. \"message\").\n");
 }
 
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_bootstrap_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_bootstrap_unittest.cc
similarity index 83%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_bootstrap_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_bootstrap_unittest.cc
index 30b1d2bf..b7c1766b 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_bootstrap_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_bootstrap_unittest.cc
@@ -48,8 +48,8 @@
 #include <google/protobuf/compiler/importer.h>
 #include <google/protobuf/descriptor.h>
 #include <google/protobuf/io/zero_copy_stream_impl.h>
-#include <google/protobuf/stubs/stl_util-inl.h>
 #include <google/protobuf/stubs/map-util.h>
+#include <google/protobuf/stubs/stl_util.h>
 #include <google/protobuf/stubs/strutil.h>
 #include <google/protobuf/stubs/substitute.h>
 
@@ -79,10 +79,10 @@ class MockErrorCollector : public MultiFileErrorCollector {
   }
 };
 
-class MockOutputDirectory : public OutputDirectory {
+class MockGeneratorContext : public GeneratorContext {
  public:
-  MockOutputDirectory() {}
-  ~MockOutputDirectory() {
+  MockGeneratorContext() {}
+  ~MockGeneratorContext() {
     STLDeleteValues(&files_);
   }
 
@@ -102,7 +102,7 @@ class MockOutputDirectory : public OutputDirectory {
          "to your CL.";
   }
 
-  // implements OutputDirectory --------------------------------------
+  // implements GeneratorContext --------------------------------------
 
   virtual io::ZeroCopyOutputStream* Open(const string& filename) {
     string** map_slot = &files_[filename];
@@ -130,24 +130,24 @@ TEST(BootstrapTest, GeneratedDescriptorMatches) {
   ASSERT_TRUE(plugin_proto_file != NULL);
 
   CppGenerator generator;
-  MockOutputDirectory output_directory;
+  MockGeneratorContext context;
   string error;
   string parameter;
   parameter = "dllexport_decl=LIBPROTOBUF_EXPORT";
   ASSERT_TRUE(generator.Generate(proto_file, parameter,
-                                 &output_directory, &error));
+                                 &context, &error));
   parameter = "dllexport_decl=LIBPROTOC_EXPORT";
   ASSERT_TRUE(generator.Generate(plugin_proto_file, parameter,
-                                 &output_directory, &error));
+                                 &context, &error));
 
-  output_directory.ExpectFileMatches("google/protobuf/descriptor.pb.h",
-                                     "google/protobuf/descriptor.pb.h");
-  output_directory.ExpectFileMatches("google/protobuf/descriptor.pb.cc",
-                                     "google/protobuf/descriptor.pb.cc");
-  output_directory.ExpectFileMatches("google/protobuf/compiler/plugin.pb.h",
-                                     "google/protobuf/compiler/plugin.pb.h");
-  output_directory.ExpectFileMatches("google/protobuf/compiler/plugin.pb.cc",
-                                     "google/protobuf/compiler/plugin.pb.cc");
+  context.ExpectFileMatches("google/protobuf/descriptor.pb.h",
+                            "google/protobuf/descriptor.pb.h");
+  context.ExpectFileMatches("google/protobuf/descriptor.pb.cc",
+                            "google/protobuf/descriptor.pb.cc");
+  context.ExpectFileMatches("google/protobuf/compiler/plugin.pb.h",
+                            "google/protobuf/compiler/plugin.pb.h");
+  context.ExpectFileMatches("google/protobuf/compiler/plugin.pb.cc",
+                            "google/protobuf/compiler/plugin.pb.cc");
 }
 
 }  // namespace
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_enum.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_enum.cc
similarity index 98%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_enum.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_enum.cc
index 76d2b798..67c12d7a 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_enum.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_enum.cc
@@ -46,10 +46,10 @@ namespace compiler {
 namespace cpp {
 
 EnumGenerator::EnumGenerator(const EnumDescriptor* descriptor,
-                             const string& dllexport_decl)
+                             const Options& options)
   : descriptor_(descriptor),
     classname_(ClassName(descriptor, false)),
-    dllexport_decl_(dllexport_decl) {
+    options_(options) {
 }
 
 EnumGenerator::~EnumGenerator() {}
@@ -88,10 +88,10 @@ void EnumGenerator::GenerateDefinition(io::Printer* printer) {
   vars["min_name"] = min_value->name();
   vars["max_name"] = max_value->name();
 
-  if (dllexport_decl_.empty()) {
+  if (options_.dllexport_decl.empty()) {
     vars["dllexport"] = "";
   } else {
-    vars["dllexport"] = dllexport_decl_ + " ";
+    vars["dllexport"] = options_.dllexport_decl + " ";
   }
 
   printer->Print(vars,
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_enum.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_enum.h
similarity index 96%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_enum.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_enum.h
index 58f7721e..2e85a0bd 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_enum.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_enum.h
@@ -36,8 +36,10 @@
 #define GOOGLE_PROTOBUF_COMPILER_CPP_ENUM_H__
 
 #include <string>
+#include <google/protobuf/compiler/cpp/cpp_options.h>
 #include <google/protobuf/descriptor.h>
 
+
 namespace google {
 namespace protobuf {
   namespace io {
@@ -53,7 +55,7 @@ class EnumGenerator {
  public:
   // See generator.cc for the meaning of dllexport_decl.
   explicit EnumGenerator(const EnumDescriptor* descriptor,
-                         const string& dllexport_decl);
+                         const Options& options);
   ~EnumGenerator();
 
   // Header stuff.
@@ -86,7 +88,7 @@ class EnumGenerator {
  private:
   const EnumDescriptor* descriptor_;
   string classname_;
-  string dllexport_decl_;
+  Options options_;
 
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(EnumGenerator);
 };
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_enum_field.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_enum_field.cc
similarity index 94%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_enum_field.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_enum_field.cc
index 91ce493a..6e1620d4 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_enum_field.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_enum_field.cc
@@ -46,8 +46,9 @@ namespace cpp {
 namespace {
 
 void SetEnumVariables(const FieldDescriptor* descriptor,
-                      map<string, string>* variables) {
-  SetCommonFieldVariables(descriptor, variables);
+                      map<string, string>* variables,
+                      const Options& options) {
+  SetCommonFieldVariables(descriptor, variables, options);
   const EnumValueDescriptor* default_value = descriptor->default_value_enum();
   (*variables)["type"] = ClassName(descriptor->enum_type(), true);
   (*variables)["default"] = SimpleItoa(default_value->number());
@@ -58,9 +59,10 @@ void SetEnumVariables(const FieldDescriptor* descriptor,
 // ===================================================================
 
 EnumFieldGenerator::
-EnumFieldGenerator(const FieldDescriptor* descriptor)
+EnumFieldGenerator(const FieldDescriptor* descriptor,
+                   const Options& options)
   : descriptor_(descriptor) {
-  SetEnumVariables(descriptor, &variables_);
+  SetEnumVariables(descriptor, &variables_, options);
 }
 
 EnumFieldGenerator::~EnumFieldGenerator() {}
@@ -84,8 +86,8 @@ GenerateInlineAccessorDefinitions(io::Printer* printer) const {
     "  return static_cast< $type$ >($name$_);\n"
     "}\n"
     "inline void $classname$::set_$name$($type$ value) {\n"
-    "  GOOGLE_DCHECK($type$_IsValid(value));\n"
-    "  _set_bit($index$);\n"
+    "  assert($type$_IsValid(value));\n"
+    "  set_has_$name$();\n"
     "  $name$_ = value;\n"
     "}\n");
 }
@@ -152,9 +154,10 @@ GenerateByteSize(io::Printer* printer) const {
 // ===================================================================
 
 RepeatedEnumFieldGenerator::
-RepeatedEnumFieldGenerator(const FieldDescriptor* descriptor)
+RepeatedEnumFieldGenerator(const FieldDescriptor* descriptor,
+                           const Options& options)
   : descriptor_(descriptor) {
-  SetEnumVariables(descriptor, &variables_);
+  SetEnumVariables(descriptor, &variables_, options);
 }
 
 RepeatedEnumFieldGenerator::~RepeatedEnumFieldGenerator() {}
@@ -187,11 +190,11 @@ GenerateInlineAccessorDefinitions(io::Printer* printer) const {
     "  return static_cast< $type$ >($name$_.Get(index));\n"
     "}\n"
     "inline void $classname$::set_$name$(int index, $type$ value) {\n"
-    "  GOOGLE_DCHECK($type$_IsValid(value));\n"
+    "  assert($type$_IsValid(value));\n"
     "  $name$_.Set(index, value);\n"
     "}\n"
     "inline void $classname$::add_$name$($type$ value) {\n"
-    "  GOOGLE_DCHECK($type$_IsValid(value));\n"
+    "  assert($type$_IsValid(value));\n"
     "  $name$_.Add(value);\n"
     "}\n");
   printer->Print(variables_,
@@ -345,7 +348,9 @@ GenerateByteSize(io::Printer* printer) const {
       "  total_size += $tag_size$ +\n"
       "    ::google::protobuf::internal::WireFormatLite::Int32Size(data_size);\n"
       "}\n"
+      "GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();\n"
       "_$name$_cached_byte_size_ = data_size;\n"
+      "GOOGLE_SAFE_CONCURRENT_WRITES_END();\n"
       "total_size += data_size;\n");
   } else {
     printer->Print(variables_,
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_enum_field.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_enum_field.h
similarity index 95%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_enum_field.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_enum_field.h
index 0793430c..65770083 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_enum_field.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_enum_field.h
@@ -46,7 +46,8 @@ namespace cpp {
 
 class EnumFieldGenerator : public FieldGenerator {
  public:
-  explicit EnumFieldGenerator(const FieldDescriptor* descriptor);
+  explicit EnumFieldGenerator(const FieldDescriptor* descriptor,
+                              const Options& options);
   ~EnumFieldGenerator();
 
   // implements FieldGenerator ---------------------------------------
@@ -71,7 +72,8 @@ class EnumFieldGenerator : public FieldGenerator {
 
 class RepeatedEnumFieldGenerator : public FieldGenerator {
  public:
-  explicit RepeatedEnumFieldGenerator(const FieldDescriptor* descriptor);
+  explicit RepeatedEnumFieldGenerator(const FieldDescriptor* descriptor,
+                                      const Options& options);
   ~RepeatedEnumFieldGenerator();
 
   // implements FieldGenerator ---------------------------------------
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_extension.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_extension.cc
similarity index 97%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_extension.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_extension.cc
index 658a7077..ef56b5e5 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_extension.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_extension.cc
@@ -57,9 +57,9 @@ string ExtendeeClassName(const FieldDescriptor* descriptor) {
 }  // anonymous namespace
 
 ExtensionGenerator::ExtensionGenerator(const FieldDescriptor* descriptor,
-                                       const string& dllexport_decl)
+                                       const Options& options)
   : descriptor_(descriptor),
-    dllexport_decl_(dllexport_decl) {
+    options_(options) {
   // Construct type_traits_.
   if (descriptor_->is_repeated()) {
     type_traits_ = "Repeated";
@@ -106,8 +106,8 @@ void ExtensionGenerator::GenerateDeclaration(io::Printer* printer) {
   // export/import specifier.
   if (descriptor_->extension_scope() == NULL) {
     vars["qualifier"] = "extern";
-    if (!dllexport_decl_.empty()) {
-      vars["qualifier"] = dllexport_decl_ + " " + vars["qualifier"];
+    if (!options_.dllexport_decl.empty()) {
+      vars["qualifier"] = options_.dllexport_decl + " " + vars["qualifier"];
     }
   } else {
     vars["qualifier"] = "static";
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_extension.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_extension.h
similarity index 93%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_extension.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_extension.h
index 3068b091..50ad035b 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_extension.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_extension.h
@@ -37,6 +37,7 @@
 
 #include <string>
 #include <google/protobuf/stubs/common.h>
+#include <google/protobuf/compiler/cpp/cpp_options.h>
 
 namespace google {
 namespace protobuf {
@@ -56,8 +57,8 @@ namespace cpp {
 class ExtensionGenerator {
  public:
   // See generator.cc for the meaning of dllexport_decl.
-  explicit ExtensionGenerator(const FieldDescriptor* descriptor,
-                              const string& dllexport_decl);
+  explicit ExtensionGenerator(const FieldDescriptor* desycriptor,
+                              const Options& options);
   ~ExtensionGenerator();
 
   // Header stuff.
@@ -72,7 +73,7 @@ class ExtensionGenerator {
  private:
   const FieldDescriptor* descriptor_;
   string type_traits_;
-  string dllexport_decl_;
+  Options options_;
 
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ExtensionGenerator);
 };
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_field.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_field.cc
similarity index 84%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_field.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_field.cc
index 103cac4a..0786176b 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_field.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_field.cc
@@ -52,7 +52,8 @@ namespace cpp {
 using internal::WireFormat;
 
 void SetCommonFieldVariables(const FieldDescriptor* descriptor,
-                             map<string, string>* variables) {
+                             map<string, string>* variables,
+                             const Options& options) {
   (*variables)["name"] = FieldName(descriptor);
   (*variables)["index"] = SimpleItoa(descriptor->index());
   (*variables)["number"] = SimpleItoa(descriptor->number());
@@ -64,6 +65,7 @@ void SetCommonFieldVariables(const FieldDescriptor* descriptor,
   (*variables)["deprecation"] = descriptor->options().deprecated()
       ? " PROTOBUF_DEPRECATED" : "";
 
+  (*variables)["cppget"] = "Get";
 }
 
 FieldGenerator::~FieldGenerator() {}
@@ -80,46 +82,47 @@ GenerateMergeFromCodedStreamWithPacking(io::Printer* printer) const {
 
 }
 
-FieldGeneratorMap::FieldGeneratorMap(const Descriptor* descriptor)
+FieldGeneratorMap::FieldGeneratorMap(const Descriptor* descriptor,
+                                     const Options& options)
   : descriptor_(descriptor),
-    field_generators_(
-      new scoped_ptr<FieldGenerator>[descriptor->field_count()]) {
+    field_generators_(new scoped_ptr<FieldGenerator>[descriptor->field_count()]) {
   // Construct all the FieldGenerators.
   for (int i = 0; i < descriptor->field_count(); i++) {
-    field_generators_[i].reset(MakeGenerator(descriptor->field(i)));
+    field_generators_[i].reset(MakeGenerator(descriptor->field(i), options));
   }
 }
 
-FieldGenerator* FieldGeneratorMap::MakeGenerator(const FieldDescriptor* field) {
+FieldGenerator* FieldGeneratorMap::MakeGenerator(const FieldDescriptor* field,
+                                                 const Options& options) {
   if (field->is_repeated()) {
     switch (field->cpp_type()) {
       case FieldDescriptor::CPPTYPE_MESSAGE:
-        return new RepeatedMessageFieldGenerator(field);
+        return new RepeatedMessageFieldGenerator(field, options);
       case FieldDescriptor::CPPTYPE_STRING:
         switch (field->options().ctype()) {
           default:  // RepeatedStringFieldGenerator handles unknown ctypes.
           case FieldOptions::STRING:
-            return new RepeatedStringFieldGenerator(field);
+            return new RepeatedStringFieldGenerator(field, options);
         }
       case FieldDescriptor::CPPTYPE_ENUM:
-        return new RepeatedEnumFieldGenerator(field);
+        return new RepeatedEnumFieldGenerator(field, options);
       default:
-        return new RepeatedPrimitiveFieldGenerator(field);
+        return new RepeatedPrimitiveFieldGenerator(field, options);
     }
   } else {
     switch (field->cpp_type()) {
       case FieldDescriptor::CPPTYPE_MESSAGE:
-        return new MessageFieldGenerator(field);
+        return new MessageFieldGenerator(field, options);
       case FieldDescriptor::CPPTYPE_STRING:
         switch (field->options().ctype()) {
           default:  // StringFieldGenerator handles unknown ctypes.
           case FieldOptions::STRING:
-            return new StringFieldGenerator(field);
+            return new StringFieldGenerator(field, options);
         }
       case FieldDescriptor::CPPTYPE_ENUM:
-        return new EnumFieldGenerator(field);
+        return new EnumFieldGenerator(field, options);
       default:
-        return new PrimitiveFieldGenerator(field);
+        return new PrimitiveFieldGenerator(field, options);
     }
   }
 }
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_field.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_field.h
similarity index 91%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_field.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_field.h
index c303a337..f7d99b15 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_field.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_field.h
@@ -40,6 +40,7 @@
 
 #include <google/protobuf/stubs/common.h>
 #include <google/protobuf/descriptor.h>
+#include <google/protobuf/compiler/cpp/cpp_options.h>
 
 namespace google {
 namespace protobuf {
@@ -57,7 +58,8 @@ namespace cpp {
 // ['name', 'index', 'number', 'classname', 'declared_type', 'tag_size',
 // 'deprecation'].
 void SetCommonFieldVariables(const FieldDescriptor* descriptor,
-                             map<string, string>* variables);
+                             map<string, string>* variables,
+                             const Options& options);
 
 class FieldGenerator {
  public:
@@ -114,6 +116,13 @@ class FieldGenerator {
   // Most field types don't need this, so the default implementation is empty.
   virtual void GenerateDestructorCode(io::Printer* printer) const {}
 
+  // Generate code that allocates the fields's default instance.
+  virtual void GenerateDefaultInstanceAllocator(io::Printer* printer) const {}
+
+  // Generate code that should be run when ShutdownProtobufLibrary() is called,
+  // to delete all dynamically-allocated objects.
+  virtual void GenerateShutdownCode(io::Printer* printer) const {}
+
   // Generate lines to decode this field, which will be placed inside the
   // message's MergeFromCodedStream() method.
   virtual void GenerateMergeFromCodedStream(io::Printer* printer) const = 0;
@@ -144,7 +153,7 @@ class FieldGenerator {
 // Convenience class which constructs FieldGenerators for a Descriptor.
 class FieldGeneratorMap {
  public:
-  explicit FieldGeneratorMap(const Descriptor* descriptor);
+  explicit FieldGeneratorMap(const Descriptor* descriptor, const Options& options);
   ~FieldGeneratorMap();
 
   const FieldGenerator& get(const FieldDescriptor* field) const;
@@ -153,7 +162,8 @@ class FieldGeneratorMap {
   const Descriptor* descriptor_;
   scoped_array<scoped_ptr<FieldGenerator> > field_generators_;
 
-  static FieldGenerator* MakeGenerator(const FieldDescriptor* field);
+  static FieldGenerator* MakeGenerator(const FieldDescriptor* field,
+                                       const Options& options);
 
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FieldGeneratorMap);
 };
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_file.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_file.cc
similarity index 88%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_file.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_file.cc
index 80da7e40..cfe96c8a 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_file.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_file.cc
@@ -51,7 +51,7 @@ namespace cpp {
 // ===================================================================
 
 FileGenerator::FileGenerator(const FileDescriptor* file,
-                             const string& dllexport_decl)
+                             const Options& options)
   : file_(file),
     message_generators_(
       new scoped_ptr<MessageGenerator>[file->message_type_count()]),
@@ -61,26 +61,26 @@ FileGenerator::FileGenerator(const FileDescriptor* file,
       new scoped_ptr<ServiceGenerator>[file->service_count()]),
     extension_generators_(
       new scoped_ptr<ExtensionGenerator>[file->extension_count()]),
-    dllexport_decl_(dllexport_decl) {
+    options_(options) {
 
   for (int i = 0; i < file->message_type_count(); i++) {
     message_generators_[i].reset(
-      new MessageGenerator(file->message_type(i), dllexport_decl));
+      new MessageGenerator(file->message_type(i), options));
   }
 
   for (int i = 0; i < file->enum_type_count(); i++) {
     enum_generators_[i].reset(
-      new EnumGenerator(file->enum_type(i), dllexport_decl));
+      new EnumGenerator(file->enum_type(i), options));
   }
 
   for (int i = 0; i < file->service_count(); i++) {
     service_generators_[i].reset(
-      new ServiceGenerator(file->service(i), dllexport_decl));
+      new ServiceGenerator(file->service(i), options));
   }
 
   for (int i = 0; i < file->extension_count(); i++) {
     extension_generators_[i].reset(
-      new ExtensionGenerator(file->extension(i), dllexport_decl));
+      new ExtensionGenerator(file->extension(i), options));
   }
 
   SplitStringUsing(file_->package(), ".", &package_parts_);
@@ -104,6 +104,7 @@ void FileGenerator::GenerateHeader(io::Printer* printer) {
     "filename", file_->name(),
     "filename_identifier", filename_identifier);
 
+
   printer->Print(
     "#include <google/protobuf/stubs/common.h>\n"
     "\n");
@@ -128,13 +129,23 @@ void FileGenerator::GenerateHeader(io::Printer* printer) {
 
   // OK, it's now safe to #include other files.
   printer->Print(
-    "#include <google/protobuf/generated_message_util.h>\n"
+    "#include <google/protobuf/generated_message_util.h>\n");
+  if (file_->message_type_count() > 0) {
+    if (HasDescriptorMethods(file_)) {
+      printer->Print(
+        "#include <google/protobuf/message.h>\n");
+    } else {
+      printer->Print(
+        "#include <google/protobuf/message_lite.h>\n");
+    }
+  }
+  printer->Print(
     "#include <google/protobuf/repeated_field.h>\n"
     "#include <google/protobuf/extension_set.h>\n");
 
-  if (HasDescriptorMethods(file_)) {
+  if (HasDescriptorMethods(file_) && HasEnumDefinitions(file_)) {
     printer->Print(
-      "#include <google/protobuf/generated_message_reflection.h>\n");
+      "#include <google/protobuf/generated_enum_reflection.h>\n");
   }
 
   if (HasGenericServices(file_)) {
@@ -142,6 +153,11 @@ void FileGenerator::GenerateHeader(io::Printer* printer) {
       "#include <google/protobuf/service.h>\n");
   }
 
+  if (HasUnknownFields(file_) && file_->message_type_count() > 0) {
+    printer->Print(
+      "#include <google/protobuf/unknown_field_set.h>\n");
+  }
+
 
   for (int i = 0; i < file_->dependency_count(); i++) {
     printer->Print(
@@ -149,9 +165,11 @@ void FileGenerator::GenerateHeader(io::Printer* printer) {
       "dependency", StripProto(file_->dependency(i)->name()));
   }
 
+
   printer->Print(
     "// @@protoc_insertion_point(includes)\n");
 
+
   // Open namespace.
   GenerateNamespaceOpeners(printer);
 
@@ -162,7 +180,7 @@ void FileGenerator::GenerateHeader(io::Printer* printer) {
     "// Internal implementation detail -- do not call these.\n"
     "void $dllexport_decl$ $adddescriptorsname$();\n",
     "adddescriptorsname", GlobalAddDescriptorsName(file_->name()),
-    "dllexport_decl", dllexport_decl_);
+    "dllexport_decl", options_.dllexport_decl);
 
   printer->Print(
     // Note that we don't put dllexport_decl on these because they are only
@@ -282,20 +300,27 @@ void FileGenerator::GenerateHeader(io::Printer* printer) {
 void FileGenerator::GenerateSource(io::Printer* printer) {
   printer->Print(
     "// Generated by the protocol buffer compiler.  DO NOT EDIT!\n"
+    "// source: $filename$\n"
     "\n"
+
     // The generated code calls accessors that might be deprecated. We don't
     // want the compiler to warn in generated code.
     "#define INTERNAL_SUPPRESS_PROTOBUF_FIELD_DEPRECATION\n"
     "#include \"$basename$.pb.h\"\n"
-
+    "\n"
+    "#include <algorithm>\n"    // for swap()
+    "\n"
+    "#include <google/protobuf/stubs/common.h>\n"
     "#include <google/protobuf/stubs/once.h>\n"
     "#include <google/protobuf/io/coded_stream.h>\n"
     "#include <google/protobuf/wire_format_lite_inl.h>\n",
+    "filename", file_->name(),
     "basename", StripProto(file_->name()));
 
   if (HasDescriptorMethods(file_)) {
     printer->Print(
       "#include <google/protobuf/descriptor.h>\n"
+      "#include <google/protobuf/generated_message_reflection.h>\n"
       "#include <google/protobuf/reflection_ops.h>\n"
       "#include <google/protobuf/wire_format.h>\n");
   }
@@ -378,11 +403,12 @@ void FileGenerator::GenerateSource(io::Printer* printer) {
 
 void FileGenerator::GenerateBuildDescriptors(io::Printer* printer) {
   // AddDescriptors() is a file-level procedure which adds the encoded
-  // FileDescriptorProto for this .proto file to the global DescriptorPool
-  // for generated files (DescriptorPool::generated_pool()).  It always runs
-  // at static initialization time, so all files will be registered before
-  // main() starts.  This procedure also constructs default instances and
-  // registers extensions.
+  // FileDescriptorProto for this .proto file to the global DescriptorPool for
+  // generated files (DescriptorPool::generated_pool()). It either runs at
+  // static initialization time (by default) or when default_instance() is
+  // called for the first time (in LITE_RUNTIME mode with
+  // GOOGLE_PROTOBUF_NO_STATIC_INITIALIZER flag enabled). This procedure also
+  // constructs default instances and registers extensions.
   //
   // Its sibling, AssignDescriptors(), actually pulls the compiled
   // FileDescriptor from the DescriptorPool and uses it to populate all of
@@ -486,22 +512,29 @@ void FileGenerator::GenerateBuildDescriptors(io::Printer* printer) {
 
   printer->Outdent();
   printer->Print(
-    "}\n");
+    "}\n\n");
 
   // -----------------------------------------------------------------
 
   // Now generate the AddDescriptors() function.
-  printer->Print(
-    "\n"
+  PrintHandlingOptionalStaticInitializers(
+    file_, printer,
+    // With static initializers.
+    // Note that we don't need any special synchronization in the following code
+    // because it is called at static init time before any threads exist.
     "void $adddescriptorsname$() {\n"
-    // We don't need any special synchronization here because this code is
-    // called at static init time before any threads exist.
     "  static bool already_here = false;\n"
     "  if (already_here) return;\n"
     "  already_here = true;\n"
     "  GOOGLE_PROTOBUF_VERIFY_VERSION;\n"
     "\n",
+    // Without.
+    "void $adddescriptorsname$_impl() {\n"
+    "  GOOGLE_PROTOBUF_VERIFY_VERSION;\n"
+    "\n",
+    // Vars.
     "adddescriptorsname", GlobalAddDescriptorsName(file_->name()));
+
   printer->Indent();
 
   // Call the AddDescriptors() methods for all of our dependencies, to make
@@ -512,9 +545,9 @@ void FileGenerator::GenerateBuildDescriptors(io::Printer* printer) {
     vector<string> dependency_package_parts;
     SplitStringUsing(dependency->package(), ".", &dependency_package_parts);
     printer->Print("::");
-    for (int i = 0; i < dependency_package_parts.size(); i++) {
+    for (int j = 0; j < dependency_package_parts.size(); j++) {
       printer->Print("$name$::",
-                     "name", dependency_package_parts[i]);
+                     "name", dependency_package_parts[j]);
     }
     // Call its AddDescriptors function.
     printer->Print(
@@ -538,10 +571,12 @@ void FileGenerator::GenerateBuildDescriptors(io::Printer* printer) {
     static const int kBytesPerLine = 40;
     for (int i = 0; i < file_data.size(); i += kBytesPerLine) {
       printer->Print("\n  \"$data$\"",
-        "data", CEscape(file_data.substr(i, kBytesPerLine)));
+                     "data",
+                     EscapeTrigraphs(
+                         CEscape(file_data.substr(i, kBytesPerLine))));
     }
     printer->Print(
-      ", $size$);\n",
+        ", $size$);\n",
       "size", SimpleItoa(file_data.size()));
 
     // Call MessageFactory::InternalRegisterGeneratedFile().
@@ -569,17 +604,26 @@ void FileGenerator::GenerateBuildDescriptors(io::Printer* printer) {
     "shutdownfilename", GlobalShutdownFileName(file_->name()));
 
   printer->Outdent();
-
   printer->Print(
     "}\n"
-    "\n"
+    "\n");
+
+  PrintHandlingOptionalStaticInitializers(
+    file_, printer,
+    // With static initializers.
     "// Force AddDescriptors() to be called at static initialization time.\n"
     "struct StaticDescriptorInitializer_$filename$ {\n"
     "  StaticDescriptorInitializer_$filename$() {\n"
     "    $adddescriptorsname$();\n"
     "  }\n"
-    "} static_descriptor_initializer_$filename$_;\n"
-    "\n",
+    "} static_descriptor_initializer_$filename$_;\n",
+    // Without.
+    "GOOGLE_PROTOBUF_DECLARE_ONCE($adddescriptorsname$_once_);\n"
+    "void $adddescriptorsname$() {\n"
+    "  ::google::protobuf::::google::protobuf::GoogleOnceInit(&$adddescriptorsname$_once_,\n"
+    "                 &$adddescriptorsname$_impl);\n"
+    "}\n",
+    // Vars.
     "adddescriptorsname", GlobalAddDescriptorsName(file_->name()),
     "filename", FilenameIdentifier(file_->name()));
 }
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_file.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_file.h
similarity index 96%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_file.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_file.h
index b4e01285..2deefaa8 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_file.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_file.h
@@ -39,6 +39,7 @@
 #include <vector>
 #include <google/protobuf/stubs/common.h>
 #include <google/protobuf/compiler/cpp/cpp_field.h>
+#include <google/protobuf/compiler/cpp/cpp_options.h>
 
 namespace google {
 namespace protobuf {
@@ -61,7 +62,7 @@ class FileGenerator {
  public:
   // See generator.cc for the meaning of dllexport_decl.
   explicit FileGenerator(const FileDescriptor* file,
-                         const string& dllexport_decl);
+                         const Options& options);
   ~FileGenerator();
 
   void GenerateHeader(io::Printer* printer);
@@ -85,7 +86,7 @@ class FileGenerator {
   // E.g. if the package is foo.bar, package_parts_ is {"foo", "bar"}.
   vector<string> package_parts_;
 
-  string dllexport_decl_;
+  const Options options_;
 
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FileGenerator);
 };
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_generator.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_generator.cc
similarity index 91%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_generator.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_generator.cc
index d67d3504..1813510b 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_generator.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_generator.cc
@@ -53,7 +53,7 @@ CppGenerator::~CppGenerator() {}
 
 bool CppGenerator::Generate(const FileDescriptor* file,
                             const string& parameter,
-                            OutputDirectory* output_directory,
+                            GeneratorContext* generator_context,
                             string* error) const {
   vector<pair<string, string> > options;
   ParseGeneratorParameter(parameter, &options);
@@ -78,11 +78,13 @@ bool CppGenerator::Generate(const FileDescriptor* file,
   //   }
   // FOO_EXPORT is a macro which should expand to __declspec(dllexport) or
   // __declspec(dllimport) depending on what is being compiled.
-  string dllexport_decl;
+  Options file_options;
 
   for (int i = 0; i < options.size(); i++) {
     if (options[i].first == "dllexport_decl") {
-      dllexport_decl = options[i].second;
+      file_options.dllexport_decl = options[i].second;
+    } else if (options[i].first == "safe_boundary_check") {
+      file_options.safe_boundary_check = true;
     } else {
       *error = "Unknown generator option: " + options[i].first;
       return false;
@@ -95,12 +97,12 @@ bool CppGenerator::Generate(const FileDescriptor* file,
   string basename = StripProto(file->name());
   basename.append(".pb");
 
-  FileGenerator file_generator(file, dllexport_decl);
+  FileGenerator file_generator(file, file_options);
 
   // Generate header.
   {
     scoped_ptr<io::ZeroCopyOutputStream> output(
-      output_directory->Open(basename + ".h"));
+      generator_context->Open(basename + ".h"));
     io::Printer printer(output.get(), '$');
     file_generator.GenerateHeader(&printer);
   }
@@ -108,7 +110,7 @@ bool CppGenerator::Generate(const FileDescriptor* file,
   // Generate cc file.
   {
     scoped_ptr<io::ZeroCopyOutputStream> output(
-      output_directory->Open(basename + ".cc"));
+      generator_context->Open(basename + ".cc"));
     io::Printer printer(output.get(), '$');
     file_generator.GenerateSource(&printer);
   }
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_generator.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_generator.h
similarity index 98%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_generator.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_generator.h
index f52e886a..a90e84d7 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_generator.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_generator.h
@@ -57,7 +57,7 @@ class LIBPROTOC_EXPORT CppGenerator : public CodeGenerator {
   // implements CodeGenerator ----------------------------------------
   bool Generate(const FileDescriptor* file,
                 const string& parameter,
-                OutputDirectory* output_directory,
+                GeneratorContext* generator_context,
                 string* error) const;
 
  private:
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_helpers.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_helpers.cc
similarity index 80%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_helpers.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_helpers.cc
index e3df88b0..28911ab0 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_helpers.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_helpers.cc
@@ -33,10 +33,12 @@
 //  Sanjay Ghemawat, Jeff Dean, and others.
 
 #include <limits>
+#include <map>
 #include <vector>
 #include <google/protobuf/stubs/hash.h>
 
 #include <google/protobuf/compiler/cpp/cpp_helpers.h>
+#include <google/protobuf/io/printer.h>
 #include <google/protobuf/stubs/common.h>
 #include <google/protobuf/stubs/strutil.h>
 #include <google/protobuf/stubs/substitute.h>
@@ -105,6 +107,20 @@ string UnderscoresToCamelCase(const string& input, bool cap_next_letter) {
   return result;
 }
 
+// Returns whether the provided descriptor has an extension. This includes its
+// nested types.
+bool HasExtension(const Descriptor* descriptor) {
+  if (descriptor->extension_count() > 0) {
+    return true;
+  }
+  for (int i = 0; i < descriptor->nested_type_count(); ++i) {
+    if (HasExtension(descriptor->nested_type(i))) {
+      return true;
+    }
+  }
+  return false;
+}
+
 }  // namespace
 
 const char kThickSeparator[] =
@@ -132,7 +148,7 @@ string ClassName(const Descriptor* descriptor, bool qualified) {
 string ClassName(const EnumDescriptor* enum_descriptor, bool qualified) {
   if (enum_descriptor->containing_type() == NULL) {
     if (qualified) {
-      return DotsToColons(enum_descriptor->full_name());
+      return "::" + DotsToColons(enum_descriptor->full_name());
     } else {
       return enum_descriptor->name();
     }
@@ -243,10 +259,23 @@ const char* DeclaredTypeMethodName(FieldDescriptor::Type type) {
 string DefaultValue(const FieldDescriptor* field) {
   switch (field->cpp_type()) {
     case FieldDescriptor::CPPTYPE_INT32:
+      // gcc rejects the decimal form of kint32min and kint64min.
+      if (field->default_value_int32() == kint32min) {
+        // Make sure we are in a 2's complement system.
+        GOOGLE_COMPILE_ASSERT(kint32min == -0x80000000, kint32min_value_error);
+        return "-0x80000000";
+      }
       return SimpleItoa(field->default_value_int32());
     case FieldDescriptor::CPPTYPE_UINT32:
       return SimpleItoa(field->default_value_uint32()) + "u";
     case FieldDescriptor::CPPTYPE_INT64:
+      // See the comments for CPPTYPE_INT32.
+      if (field->default_value_int64() == kint64min) {
+        // Make sure we are in a 2's complement system.
+        GOOGLE_COMPILE_ASSERT(kint64min == GOOGLE_LONGLONG(-0x8000000000000000),
+                       kint64min_value_error);
+        return "GOOGLE_LONGLONG(-0x8000000000000000)";
+      }
       return "GOOGLE_LONGLONG(" + SimpleItoa(field->default_value_int64()) + ")";
     case FieldDescriptor::CPPTYPE_UINT64:
       return "GOOGLE_ULONGLONG(" + SimpleItoa(field->default_value_uint64())+ ")";
@@ -292,7 +321,9 @@ string DefaultValue(const FieldDescriptor* field) {
           ClassName(field->enum_type(), true),
           field->default_value_enum()->number());
     case FieldDescriptor::CPPTYPE_STRING:
-      return "\"" + CEscape(field->default_value_string()) + "\"";
+      return "\"" + EscapeTrigraphs(
+        CEscape(field->default_value_string())) +
+        "\"";
     case FieldDescriptor::CPPTYPE_MESSAGE:
       return FieldMessageTypeName(field) + "::default_instance()";
   }
@@ -335,6 +366,72 @@ string GlobalShutdownFileName(const string& filename) {
   return "protobuf_ShutdownFile_" + FilenameIdentifier(filename);
 }
 
+// Escape C++ trigraphs by escaping question marks to \?
+string EscapeTrigraphs(const string& to_escape) {
+  return StringReplace(to_escape, "?", "\\?", true);
+}
+
+bool StaticInitializersForced(const FileDescriptor* file) {
+  if (HasDescriptorMethods(file) || file->extension_count() > 0) {
+    return true;
+  }
+  for (int i = 0; i < file->message_type_count(); ++i) {
+    if (HasExtension(file->message_type(i))) {
+      return true;
+    }
+  }
+  return false;
+}
+
+void PrintHandlingOptionalStaticInitializers(
+    const FileDescriptor* file, io::Printer* printer,
+    const char* with_static_init, const char* without_static_init,
+    const char* var1, const string& val1,
+    const char* var2, const string& val2) {
+  map<string, string> vars;
+  if (var1) {
+    vars[var1] = val1;
+  }
+  if (var2) {
+    vars[var2] = val2;
+  }
+  PrintHandlingOptionalStaticInitializers(
+      vars, file, printer, with_static_init, without_static_init);
+}
+
+void PrintHandlingOptionalStaticInitializers(
+    const map<string, string>& vars, const FileDescriptor* file,
+    io::Printer* printer, const char* with_static_init,
+    const char* without_static_init) {
+  if (StaticInitializersForced(file)) {
+    printer->Print(vars, with_static_init);
+  } else {
+    printer->Print(vars, (string(
+      "#ifdef GOOGLE_PROTOBUF_NO_STATIC_INITIALIZER\n") +
+      without_static_init +
+      "#else\n" +
+      with_static_init +
+      "#endif\n").c_str());
+  }
+}
+
+
+static bool HasEnumDefinitions(const Descriptor* message_type) {
+  if (message_type->enum_type_count() > 0) return true;
+  for (int i = 0; i < message_type->nested_type_count(); ++i) {
+    if (HasEnumDefinitions(message_type->nested_type(i))) return true;
+  }
+  return false;
+}
+
+bool HasEnumDefinitions(const FileDescriptor* file) {
+  if (file->enum_type_count() > 0) return true;
+  for (int i = 0; i < file->message_type_count(); ++i) {
+    if (HasEnumDefinitions(file->message_type(i))) return true;
+  }
+  return false;
+}
+
 }  // namespace cpp
 }  // namespace compiler
 }  // namespace protobuf
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_helpers.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_helpers.h
similarity index 82%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_helpers.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_helpers.h
index f99b5fe8..526e19cc 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_helpers.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_helpers.h
@@ -35,12 +35,18 @@
 #ifndef GOOGLE_PROTOBUF_COMPILER_CPP_HELPERS_H__
 #define GOOGLE_PROTOBUF_COMPILER_CPP_HELPERS_H__
 
+#include <map>
 #include <string>
 #include <google/protobuf/descriptor.h>
 #include <google/protobuf/descriptor.pb.h>
 
 namespace google {
 namespace protobuf {
+
+namespace io {
+class Printer;
+}
+
 namespace compiler {
 namespace cpp {
 
@@ -112,24 +118,31 @@ string GlobalAssignDescriptorsName(const string& filename);
 // Return the name of the ShutdownFile() function for a given file.
 string GlobalShutdownFileName(const string& filename);
 
+// Escape C++ trigraphs by escaping question marks to \?
+string EscapeTrigraphs(const string& to_escape);
+
 // Do message classes in this file keep track of unknown fields?
-inline bool HasUnknownFields(const FileDescriptor *file) {
+inline bool HasUnknownFields(const FileDescriptor* file) {
   return file->options().optimize_for() != FileOptions::LITE_RUNTIME;
 }
 
+
+// Does this file have any enum type definitions?
+bool HasEnumDefinitions(const FileDescriptor* file);
+
 // Does this file have generated parsing, serialization, and other
 // standard methods for which reflection-based fallback implementations exist?
-inline bool HasGeneratedMethods(const FileDescriptor *file) {
+inline bool HasGeneratedMethods(const FileDescriptor* file) {
   return file->options().optimize_for() != FileOptions::CODE_SIZE;
 }
 
-// Do message classes in this file have descriptor and refelction methods?
-inline bool HasDescriptorMethods(const FileDescriptor *file) {
+// Do message classes in this file have descriptor and reflection methods?
+inline bool HasDescriptorMethods(const FileDescriptor* file) {
   return file->options().optimize_for() != FileOptions::LITE_RUNTIME;
 }
 
 // Should we generate generic services for this file?
-inline bool HasGenericServices(const FileDescriptor *file) {
+inline bool HasGenericServices(const FileDescriptor* file) {
   return file->service_count() > 0 &&
          file->options().optimize_for() != FileOptions::LITE_RUNTIME &&
          file->options().cc_generic_services();
@@ -147,6 +160,23 @@ inline bool HasFastArraySerialization(const FileDescriptor* file) {
   return file->options().optimize_for() == FileOptions::SPEED;
 }
 
+// Returns whether we have to generate code with static initializers.
+bool StaticInitializersForced(const FileDescriptor* file);
+
+// Prints 'with_static_init' if static initializers have to be used for the
+// provided file. Otherwise emits both 'with_static_init' and
+// 'without_static_init' using #ifdef.
+void PrintHandlingOptionalStaticInitializers(
+    const FileDescriptor* file, io::Printer* printer,
+    const char* with_static_init, const char* without_static_init,
+    const char* var1 = NULL, const string& val1 = "",
+    const char* var2 = NULL, const string& val2 = "");
+
+void PrintHandlingOptionalStaticInitializers(
+    const map<string, string>& vars, const FileDescriptor* file,
+    io::Printer* printer, const char* with_static_init,
+    const char* without_static_init);
+
 
 }  // namespace cpp
 }  // namespace compiler
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_message.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_message.cc
similarity index 82%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_message.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_message.cc
index cbdcce8f..1ea4f13d 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_message.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_message.cc
@@ -35,6 +35,7 @@
 #include <algorithm>
 #include <google/protobuf/stubs/hash.h>
 #include <map>
+#include <utility>
 #include <vector>
 #include <google/protobuf/compiler/cpp/cpp_message.h>
 #include <google/protobuf/compiler/cpp/cpp_field.h>
@@ -47,6 +48,7 @@
 #include <google/protobuf/wire_format.h>
 #include <google/protobuf/descriptor.pb.h>
 
+
 namespace google {
 namespace protobuf {
 namespace compiler {
@@ -102,6 +104,13 @@ struct ExtensionRangeSorter {
   }
 };
 
+// Returns true if the "required" restriction check should be ignored for the
+// given field.
+inline static bool ShouldIgnoreRequiredFieldCheck(
+    const FieldDescriptor* field) {
+  return false;
+}
+
 // Returns true if the message type has any required fields.  If it doesn't,
 // we can optimize out calls to its IsInitialized() method.
 //
@@ -128,7 +137,8 @@ static bool HasRequiredFields(
     if (field->is_required()) {
       return true;
     }
-    if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) {
+    if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE &&
+        !ShouldIgnoreRequiredFieldCheck(field)) {
       if (HasRequiredFields(field->message_type(), already_seen)) {
         return true;
       }
@@ -143,16 +153,147 @@ static bool HasRequiredFields(const Descriptor* type) {
   return HasRequiredFields(type, &already_seen);
 }
 
+// This returns an estimate of the compiler's alignment for the field.  This
+// can't guarantee to be correct because the generated code could be compiled on
+// different systems with different alignment rules.  The estimates below assume
+// 64-bit pointers.
+int EstimateAlignmentSize(const FieldDescriptor* field) {
+  if (field == NULL) return 0;
+  if (field->is_repeated()) return 8;
+  switch (field->cpp_type()) {
+    case FieldDescriptor::CPPTYPE_BOOL:
+      return 1;
+
+    case FieldDescriptor::CPPTYPE_INT32:
+    case FieldDescriptor::CPPTYPE_UINT32:
+    case FieldDescriptor::CPPTYPE_ENUM:
+    case FieldDescriptor::CPPTYPE_FLOAT:
+      return 4;
+
+    case FieldDescriptor::CPPTYPE_INT64:
+    case FieldDescriptor::CPPTYPE_UINT64:
+    case FieldDescriptor::CPPTYPE_DOUBLE:
+    case FieldDescriptor::CPPTYPE_STRING:
+    case FieldDescriptor::CPPTYPE_MESSAGE:
+      return 8;
+  }
+  GOOGLE_LOG(FATAL) << "Can't get here.";
+  return -1;  // Make compiler happy.
+}
+
+// FieldGroup is just a helper for OptimizePadding below.  It holds a vector of
+// fields that are grouped together because they have compatible alignment, and
+// a preferred location in the final field ordering.
+class FieldGroup {
+ public:
+  FieldGroup()
+      : preferred_location_(0) {}
+
+  // A group with a single field.
+  FieldGroup(float preferred_location, const FieldDescriptor* field)
+      : preferred_location_(preferred_location),
+        fields_(1, field) {}
+
+  // Append the fields in 'other' to this group.
+  void Append(const FieldGroup& other) {
+    if (other.fields_.empty()) {
+      return;
+    }
+    // Preferred location is the average among all the fields, so we weight by
+    // the number of fields on each FieldGroup object.
+    preferred_location_ =
+        (preferred_location_ * fields_.size() +
+         (other.preferred_location_ * other.fields_.size())) /
+        (fields_.size() + other.fields_.size());
+    fields_.insert(fields_.end(), other.fields_.begin(), other.fields_.end());
+  }
+
+  void SetPreferredLocation(float location) { preferred_location_ = location; }
+  const vector<const FieldDescriptor*>& fields() const { return fields_; }
+
+  // FieldGroup objects sort by their preferred location.
+  bool operator<(const FieldGroup& other) const {
+    return preferred_location_ < other.preferred_location_;
+  }
+
+ private:
+  // "preferred_location_" is an estimate of where this group should go in the
+  // final list of fields.  We compute this by taking the average index of each
+  // field in this group in the original ordering of fields.  This is very
+  // approximate, but should put this group close to where its member fields
+  // originally went.
+  float preferred_location_;
+  vector<const FieldDescriptor*> fields_;
+  // We rely on the default copy constructor and operator= so this type can be
+  // used in a vector.
+};
+
+// Reorder 'fields' so that if the fields are output into a c++ class in the new
+// order, the alignment padding is minimized.  We try to do this while keeping
+// each field as close as possible to its original position so that we don't
+// reduce cache locality much for function that access each field in order.
+void OptimizePadding(vector<const FieldDescriptor*>* fields) {
+  // First divide fields into those that align to 1 byte, 4 bytes or 8 bytes.
+  vector<FieldGroup> aligned_to_1, aligned_to_4, aligned_to_8;
+  for (int i = 0; i < fields->size(); ++i) {
+    switch (EstimateAlignmentSize((*fields)[i])) {
+      case 1: aligned_to_1.push_back(FieldGroup(i, (*fields)[i])); break;
+      case 4: aligned_to_4.push_back(FieldGroup(i, (*fields)[i])); break;
+      case 8: aligned_to_8.push_back(FieldGroup(i, (*fields)[i])); break;
+      default:
+        GOOGLE_LOG(FATAL) << "Unknown alignment size.";
+    }
+  }
+
+  // Now group fields aligned to 1 byte into sets of 4, and treat those like a
+  // single field aligned to 4 bytes.
+  for (int i = 0; i < aligned_to_1.size(); i += 4) {
+    FieldGroup field_group;
+    for (int j = i; j < aligned_to_1.size() && j < i + 4; ++j) {
+      field_group.Append(aligned_to_1[j]);
+    }
+    aligned_to_4.push_back(field_group);
+  }
+  // Sort by preferred location to keep fields as close to their original
+  // location as possible.
+  sort(aligned_to_4.begin(), aligned_to_4.end());
+
+  // Now group fields aligned to 4 bytes (or the 4-field groups created above)
+  // into pairs, and treat those like a single field aligned to 8 bytes.
+  for (int i = 0; i < aligned_to_4.size(); i += 2) {
+    FieldGroup field_group;
+    for (int j = i; j < aligned_to_4.size() && j < i + 2; ++j) {
+      field_group.Append(aligned_to_4[j]);
+    }
+    if (i == aligned_to_4.size() - 1) {
+      // Move incomplete 4-byte block to the end.
+      field_group.SetPreferredLocation(fields->size() + 1);
+    }
+    aligned_to_8.push_back(field_group);
+  }
+  // Sort by preferred location to keep fields as close to their original
+  // location as possible.
+  sort(aligned_to_8.begin(), aligned_to_8.end());
+
+  // Now pull out all the FieldDescriptors in order.
+  fields->clear();
+  for (int i = 0; i < aligned_to_8.size(); ++i) {
+    fields->insert(fields->end(),
+                   aligned_to_8[i].fields().begin(),
+                   aligned_to_8[i].fields().end());
+  }
+}
+
 }
 
 // ===================================================================
 
 MessageGenerator::MessageGenerator(const Descriptor* descriptor,
-                                   const string& dllexport_decl)
+                                   const Options& options)
   : descriptor_(descriptor),
     classname_(ClassName(descriptor, false)),
-    dllexport_decl_(dllexport_decl),
-    field_generators_(descriptor),
+    options_(options),
+    field_generators_(descriptor, options),
     nested_generators_(new scoped_ptr<MessageGenerator>[
       descriptor->nested_type_count()]),
     enum_generators_(new scoped_ptr<EnumGenerator>[
@@ -162,17 +303,17 @@ MessageGenerator::MessageGenerator(const Descriptor* descriptor,
 
   for (int i = 0; i < descriptor->nested_type_count(); i++) {
     nested_generators_[i].reset(
-      new MessageGenerator(descriptor->nested_type(i), dllexport_decl));
+      new MessageGenerator(descriptor->nested_type(i), options));
   }
 
   for (int i = 0; i < descriptor->enum_type_count(); i++) {
     enum_generators_[i].reset(
-      new EnumGenerator(descriptor->enum_type(i), dllexport_decl));
+      new EnumGenerator(descriptor->enum_type(i), options));
   }
 
   for (int i = 0; i < descriptor->extension_count(); i++) {
     extension_generators_[i].reset(
-      new ExtensionGenerator(descriptor->extension(i), dllexport_decl));
+      new ExtensionGenerator(descriptor->extension(i), options));
   }
 }
 
@@ -217,7 +358,7 @@ GenerateFieldAccessorDeclarations(io::Printer* printer) {
     PrintFieldComment(printer, field);
 
     map<string, string> vars;
-    SetCommonFieldVariables(field, &vars);
+    SetCommonFieldVariables(field, &vars, options_);
     vars["constant_name"] = FieldConstantName(field);
 
     if (field->is_repeated()) {
@@ -254,7 +395,7 @@ GenerateFieldAccessorDefinitions(io::Printer* printer) {
     PrintFieldComment(printer, field);
 
     map<string, string> vars;
-    SetCommonFieldVariables(field, &vars);
+    SetCommonFieldVariables(field, &vars, options_);
 
     // Generate has_$name$() or $name$_size().
     if (field->is_repeated()) {
@@ -264,10 +405,20 @@ GenerateFieldAccessorDefinitions(io::Printer* printer) {
         "}\n");
     } else {
       // Singular field.
+      char buffer[kFastToBufferSize];
+      vars["has_array_index"] = SimpleItoa(field->index() / 32);
+      vars["has_mask"] = FastHex32ToBuffer(1u << (field->index() % 32), buffer);
       printer->Print(vars,
         "inline bool $classname$::has_$name$() const {\n"
-        "  return _has_bit($index$);\n"
-        "}\n");
+        "  return (_has_bits_[$has_array_index$] & 0x$has_mask$u) != 0;\n"
+        "}\n"
+        "inline void $classname$::set_has_$name$() {\n"
+        "  _has_bits_[$has_array_index$] |= 0x$has_mask$u;\n"
+        "}\n"
+        "inline void $classname$::clear_has_$name$() {\n"
+        "  _has_bits_[$has_array_index$] &= ~0x$has_mask$u;\n"
+        "}\n"
+        );
     }
 
     // Generate clear_$name$()
@@ -279,7 +430,8 @@ GenerateFieldAccessorDefinitions(io::Printer* printer) {
     printer->Outdent();
 
     if (!field->is_repeated()) {
-      printer->Print(vars, "  _clear_bit($index$);\n");
+      printer->Print(vars,
+                     "  clear_has_$name$();\n");
     }
 
     printer->Print("}\n");
@@ -303,10 +455,10 @@ GenerateClassDefinition(io::Printer* printer) {
   map<string, string> vars;
   vars["classname"] = classname_;
   vars["field_count"] = SimpleItoa(descriptor_->field_count());
-  if (dllexport_decl_.empty()) {
+  if (options_.dllexport_decl.empty()) {
     vars["dllexport"] = "";
   } else {
-    vars["dllexport"] = dllexport_decl_ + " ";
+    vars["dllexport"] = options_.dllexport_decl + " ";
   }
   vars["superclass"] = SuperClassName(descriptor_);
 
@@ -350,6 +502,20 @@ GenerateClassDefinition(io::Printer* printer) {
     "static const $classname$& default_instance();\n"
     "\n");
 
+  if (!StaticInitializersForced(descriptor_->file())) {
+    printer->Print(vars,
+      "#ifdef GOOGLE_PROTOBUF_NO_STATIC_INITIALIZER\n"
+      "// Returns the internal default instance pointer. This function can\n"
+      "// return NULL thus should not be used by the user. This is intended\n"
+      "// for Protobuf internal code. Please use default_instance() declared\n"
+      "// above instead.\n"
+      "static inline const $classname$* internal_default_instance() {\n"
+      "  return default_instance_;\n"
+      "}\n"
+      "#endif\n"
+      "\n");
+  }
+
 
   printer->Print(vars,
     "void Swap($classname$* other);\n"
@@ -444,38 +610,91 @@ GenerateClassDefinition(io::Printer* printer) {
     "// @@protoc_insertion_point(class_scope:$full_name$)\n",
     "full_name", descriptor_->full_name());
 
-  // Generate private members for fields.
+  // Generate private members.
   printer->Outdent();
   printer->Print(" private:\n");
   printer->Indent();
 
+
+  for (int i = 0; i < descriptor_->field_count(); i++) {
+    if (!descriptor_->field(i)->is_repeated()) {
+      printer->Print(
+        "inline void set_has_$name$();\n",
+        "name", FieldName(descriptor_->field(i)));
+      printer->Print(
+        "inline void clear_has_$name$();\n",
+        "name", FieldName(descriptor_->field(i)));
+    }
+  }
+  printer->Print("\n");
+
+  // To minimize padding, data members are divided into three sections:
+  // (1) members assumed to align to 8 bytes
+  // (2) members corresponding to message fields, re-ordered to optimize
+  //     alignment.
+  // (3) members assumed to align to 4 bytes.
+
+  // Members assumed to align to 8 bytes:
+
   if (descriptor_->extension_range_count() > 0) {
     printer->Print(
-      "::google::protobuf::internal::ExtensionSet _extensions_;\n");
+      "::google::protobuf::internal::ExtensionSet _extensions_;\n"
+      "\n");
   }
 
   if (HasUnknownFields(descriptor_->file())) {
     printer->Print(
-      "::google::protobuf::UnknownFieldSet _unknown_fields_;\n");
+      "::google::protobuf::UnknownFieldSet _unknown_fields_;\n"
+      "\n");
   }
 
+  // Field members:
+
+  vector<const FieldDescriptor*> fields;
+  for (int i = 0; i < descriptor_->field_count(); i++) {
+    fields.push_back(descriptor_->field(i));
+  }
+  OptimizePadding(&fields);
+  for (int i = 0; i < fields.size(); ++i) {
+    field_generators_.get(fields[i]).GeneratePrivateMembers(printer);
+  }
+
+  // Members assumed to align to 4 bytes:
+
   // TODO(kenton):  Make _cached_size_ an atomic<int> when C++ supports it.
   printer->Print(
-    "mutable int _cached_size_;\n"
-    "\n");
-  for (int i = 0; i < descriptor_->field_count(); i++) {
-    field_generators_.get(descriptor_->field(i))
-                     .GeneratePrivateMembers(printer);
+      "\n"
+      "mutable int _cached_size_;\n");
+
+  // Generate _has_bits_.
+  if (descriptor_->field_count() > 0) {
+    printer->Print(vars,
+      "::google::protobuf::uint32 _has_bits_[($field_count$ + 31) / 32];\n"
+      "\n");
+  } else {
+    // Zero-size arrays aren't technically allowed, and MSVC in particular
+    // doesn't like them.  We still need to declare these arrays to make
+    // other code compile.  Since this is an uncommon case, we'll just declare
+    // them with size 1 and waste some space.  Oh well.
+    printer->Print(
+      "::google::protobuf::uint32 _has_bits_[1];\n"
+      "\n");
   }
 
   // Declare AddDescriptors(), BuildDescriptors(), and ShutdownFile() as
   // friends so that they can access private static variables like
   // default_instance_ and reflection_.
-  printer->Print(
+  PrintHandlingOptionalStaticInitializers(
+    descriptor_->file(), printer,
+    // With static initializers.
     "friend void $dllexport_decl$ $adddescriptorsname$();\n",
-    "dllexport_decl", dllexport_decl_,
+    // Without.
+    "friend void $dllexport_decl$ $adddescriptorsname$_impl();\n",
+    // Vars.
+    "dllexport_decl", options_.dllexport_decl,
     "adddescriptorsname",
-      GlobalAddDescriptorsName(descriptor_->file()->name()));
+    GlobalAddDescriptorsName(descriptor_->file()->name()));
+
   printer->Print(
     "friend void $assigndescriptorsname$();\n"
     "friend void $shutdownfilename$();\n"
@@ -484,32 +703,7 @@ GenerateClassDefinition(io::Printer* printer) {
       GlobalAssignDescriptorsName(descriptor_->file()->name()),
     "shutdownfilename", GlobalShutdownFileName(descriptor_->file()->name()));
 
-  // Generate offsets and _has_bits_ boilerplate.
-  if (descriptor_->field_count() > 0) {
-    printer->Print(vars,
-      "::google::protobuf::uint32 _has_bits_[($field_count$ + 31) / 32];\n");
-  } else {
-    // Zero-size arrays aren't technically allowed, and MSVC in particular
-    // doesn't like them.  We still need to declare these arrays to make
-    // other code compile.  Since this is an uncommon case, we'll just declare
-    // them with size 1 and waste some space.  Oh well.
-    printer->Print(
-      "::google::protobuf::uint32 _has_bits_[1];\n");
-  }
-
   printer->Print(
-    "\n"
-    "// WHY DOES & HAVE LOWER PRECEDENCE THAN != !?\n"
-    "inline bool _has_bit(int index) const {\n"
-    "  return (_has_bits_[index / 32] & (1u << (index % 32))) != 0;\n"
-    "}\n"
-    "inline void _set_bit(int index) {\n"
-    "  _has_bits_[index / 32] |= (1u << (index % 32));\n"
-    "}\n"
-    "inline void _clear_bit(int index) {\n"
-    "  _has_bits_[index / 32] &= ~(1u << (index % 32));\n"
-    "}\n"
-    "\n"
     "void InitAsDefaultInstance();\n"
     "static $classname$* default_instance_;\n",
     "classname", classname_);
@@ -589,9 +783,11 @@ GenerateDescriptorInitializer(io::Printer* printer, int index) {
     printer->Print(vars,
       "    -1,\n");
   }
+  printer->Print(
+    "    ::google::protobuf::DescriptorPool::generated_pool(),\n");
+  printer->Print(vars,
+    "    ::google::protobuf::MessageFactory::generated_factory(),\n");
   printer->Print(vars,
-    "    ::google::protobuf::DescriptorPool::generated_pool(),\n"
-    "    ::google::protobuf::MessageFactory::generated_factory(),\n"
     "    sizeof($classname$));\n");
 
   // Handle nested types.
@@ -620,6 +816,13 @@ GenerateTypeRegistrations(io::Printer* printer) {
 
 void MessageGenerator::
 GenerateDefaultInstanceAllocator(io::Printer* printer) {
+  // Construct the default instances of all fields, as they will be used
+  // when creating the default instance of the entire message.
+  for (int i = 0; i < descriptor_->field_count(); i++) {
+    field_generators_.get(descriptor_->field(i))
+                     .GenerateDefaultInstanceAllocator(printer);
+  }
+
   // Construct the default instance.  We can't call InitAsDefaultInstance() yet
   // because we need to make sure all default instances that this one might
   // depend on are constructed first.
@@ -663,6 +866,12 @@ GenerateShutdownCode(io::Printer* printer) {
       "classname", classname_);
   }
 
+  // Handle default instances of fields.
+  for (int i = 0; i < descriptor_->field_count(); i++) {
+    field_generators_.get(descriptor_->field(i))
+                     .GenerateShutdownCode(printer);
+  }
+
   // Handle nested types.
   for (int i = 0; i < descriptor_->nested_type_count(); i++) {
     nested_generators_[i]->GenerateShutdownCode(printer);
@@ -817,8 +1026,12 @@ GenerateSharedDestructorCode(io::Printer* printer) {
                      .GenerateDestructorCode(printer);
   }
 
-  printer->Print(
-    "if (this != default_instance_) {\n");
+  PrintHandlingOptionalStaticInitializers(
+    descriptor_->file(), printer,
+    // With static initializers.
+    "if (this != default_instance_) {\n",
+    // Without.
+    "if (this != &default_instance()) {\n");
 
   // We need to delete all embedded messages.
   // TODO(kenton):  If we make unset messages point at default instances
@@ -870,10 +1083,16 @@ GenerateStructors(io::Printer* printer) {
 
     if (!field->is_repeated() &&
         field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) {
-      printer->Print(
-          "  $name$_ = const_cast< $type$*>(&$type$::default_instance());\n",
-          "name", FieldName(field),
-          "type", FieldMessageTypeName(field));
+      PrintHandlingOptionalStaticInitializers(
+        descriptor_->file(), printer,
+        // With static initializers.
+        "  $name$_ = const_cast< $type$*>(&$type$::default_instance());\n",
+        // Without.
+        "  $name$_ = const_cast< $type$*>(\n"
+        "      $type$::internal_default_instance());\n",
+        // Vars.
+        "name", FieldName(field),
+        "type", FieldMessageTypeName(field));
     }
   }
   printer->Print(
@@ -929,8 +1148,20 @@ GenerateStructors(io::Printer* printer) {
   }
 
   printer->Print(
-    "const $classname$& $classname$::default_instance() {\n"
-    "  if (default_instance_ == NULL) $adddescriptorsname$();"
+    "const $classname$& $classname$::default_instance() {\n",
+    "classname", classname_);
+
+  PrintHandlingOptionalStaticInitializers(
+    descriptor_->file(), printer,
+    // With static initializers.
+    "  if (default_instance_ == NULL) $adddescriptorsname$();\n",
+    // Without.
+    "  $adddescriptorsname$();\n",
+    // Vars.
+    "adddescriptorsname",
+    GlobalAddDescriptorsName(descriptor_->file()->name()));
+
+  printer->Print(
     "  return *default_instance_;\n"
     "}\n"
     "\n"
@@ -942,7 +1173,6 @@ GenerateStructors(io::Printer* printer) {
     "classname", classname_,
     "adddescriptorsname",
     GlobalAddDescriptorsName(descriptor_->file()->name()));
-
 }
 
 void MessageGenerator::
@@ -961,9 +1191,6 @@ GenerateClear(io::Printer* printer) {
     const FieldDescriptor* field = descriptor_->field(i);
 
     if (!field->is_repeated()) {
-      map<string, string> vars;
-      vars["index"] = SimpleItoa(field->index());
-
       // We can use the fact that _has_bits_ is a giant bitfield to our
       // advantage:  We can check up to 32 bits at a time for equality to
       // zero, and skip the whole range if so.  This can improve the speed
@@ -975,8 +1202,9 @@ GenerateClear(io::Printer* printer) {
           printer->Outdent();
           printer->Print("}\n");
         }
-        printer->Print(vars,
-          "if (_has_bits_[$index$ / 32] & (0xffu << ($index$ % 32))) {\n");
+        printer->Print(
+          "if (_has_bits_[$index$ / 32] & (0xffu << ($index$ % 32))) {\n",
+          "index", SimpleItoa(field->index()));
         printer->Indent();
       }
       last_index = i;
@@ -989,7 +1217,9 @@ GenerateClear(io::Printer* printer) {
         field->cpp_type() == FieldDescriptor::CPPTYPE_STRING;
 
       if (should_check_bit) {
-        printer->Print(vars, "if (_has_bit($index$)) {\n");
+        printer->Print(
+          "if (has_$name$()) {\n",
+          "name", FieldName(field));
         printer->Indent();
       }
 
@@ -1129,24 +1359,23 @@ GenerateMergeFrom(io::Printer* printer) {
     const FieldDescriptor* field = descriptor_->field(i);
 
     if (!field->is_repeated()) {
-      map<string, string> vars;
-      vars["index"] = SimpleItoa(field->index());
-
       // See above in GenerateClear for an explanation of this.
       if (i / 8 != last_index / 8 || last_index < 0) {
         if (last_index >= 0) {
           printer->Outdent();
           printer->Print("}\n");
         }
-        printer->Print(vars,
-          "if (from._has_bits_[$index$ / 32] & (0xffu << ($index$ % 32))) {\n");
+        printer->Print(
+          "if (from._has_bits_[$index$ / 32] & (0xffu << ($index$ % 32))) {\n",
+          "index", SimpleItoa(field->index()));
         printer->Indent();
       }
 
       last_index = i;
 
-      printer->Print(vars,
-        "if (from._has_bit($index$)) {\n");
+      printer->Print(
+        "if (from.has_$name$()) {\n",
+        "name", FieldName(field));
       printer->Indent();
 
       field_generators_.get(field).GenerateMergingCode(printer);
@@ -1214,11 +1443,22 @@ GenerateMergeFromCodedStream(io::Printer* printer) {
     // Special-case MessageSet.
     printer->Print(
       "bool $classname$::MergePartialFromCodedStream(\n"
-      "    ::google::protobuf::io::CodedInputStream* input) {\n"
-      "  return _extensions_.ParseMessageSet(input, default_instance_,\n"
-      "                                      mutable_unknown_fields());\n"
-      "}\n",
+      "    ::google::protobuf::io::CodedInputStream* input) {\n",
       "classname", classname_);
+
+    PrintHandlingOptionalStaticInitializers(
+      descriptor_->file(), printer,
+      // With static initializers.
+      "  return _extensions_.ParseMessageSet(input, default_instance_,\n"
+      "                                      mutable_unknown_fields());\n",
+      // Without.
+      "  return _extensions_.ParseMessageSet(input, &default_instance(),\n"
+      "                                      mutable_unknown_fields());\n",
+      // Vars.
+      "classname", classname_);
+
+    printer->Print(
+      "}\n");
     return;
   }
 
@@ -1378,12 +1618,21 @@ GenerateMergeFromCodedStream(io::Printer* printer) {
     }
     printer->Print(") {\n");
     if (HasUnknownFields(descriptor_->file())) {
-      printer->Print(
+      PrintHandlingOptionalStaticInitializers(
+        descriptor_->file(), printer,
+        // With static initializers.
         "  DO_(_extensions_.ParseField(tag, input, default_instance_,\n"
+        "                              mutable_unknown_fields()));\n",
+        // Without.
+        "  DO_(_extensions_.ParseField(tag, input, &default_instance(),\n"
         "                              mutable_unknown_fields()));\n");
     } else {
-      printer->Print(
-        "  DO_(_extensions_.ParseField(tag, input, default_instance_));\n");
+      PrintHandlingOptionalStaticInitializers(
+        descriptor_->file(), printer,
+        // With static initializers.
+        "  DO_(_extensions_.ParseField(tag, input, default_instance_));\n",
+        // Without.
+        "  DO_(_extensions_.ParseField(tag, input, &default_instance()));\n");
     }
     printer->Print(
       "  continue;\n"
@@ -1423,8 +1672,8 @@ void MessageGenerator::GenerateSerializeOneField(
 
   if (!field->is_repeated()) {
     printer->Print(
-      "if (_has_bit($index$)) {\n",
-      "index", SimpleItoa(field->index()));
+      "if (has_$name$()) {\n",
+      "name", FieldName(field));
     printer->Indent();
   }
 
@@ -1734,6 +1983,7 @@ GenerateIsInitialized(io::Printer* printer) {
   for (int i = 0; i < descriptor_->field_count(); i++) {
     const FieldDescriptor* field = descriptor_->field(i);
     if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE &&
+        !ShouldIgnoreRequiredFieldCheck(field) &&
         HasRequiredFields(field->message_type())) {
       if (field->is_repeated()) {
         printer->Print(
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_message.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_message.h
similarity index 98%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_message.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_message.h
index 04778f6d..a7e43d9c 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_message.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_message.h
@@ -38,6 +38,7 @@
 #include <string>
 #include <google/protobuf/stubs/common.h>
 #include <google/protobuf/compiler/cpp/cpp_field.h>
+#include <google/protobuf/compiler/cpp/cpp_options.h>
 
 namespace google {
 namespace protobuf {
@@ -57,7 +58,7 @@ class MessageGenerator {
  public:
   // See generator.cc for the meaning of dllexport_decl.
   explicit MessageGenerator(const Descriptor* descriptor,
-                            const string& dllexport_decl);
+                            const Options& options);
   ~MessageGenerator();
 
   // Header stuff.
@@ -153,7 +154,7 @@ class MessageGenerator {
 
   const Descriptor* descriptor_;
   string classname_;
-  string dllexport_decl_;
+  Options options_;
   FieldGeneratorMap field_generators_;
   scoped_array<scoped_ptr<MessageGenerator> > nested_generators_;
   scoped_array<scoped_ptr<EnumGenerator> > enum_generators_;
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_message_field.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_message_field.cc
similarity index 85%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_message_field.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_message_field.cc
index c04bdc66..447f975f 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_message_field.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_message_field.cc
@@ -45,8 +45,9 @@ namespace cpp {
 namespace {
 
 void SetMessageVariables(const FieldDescriptor* descriptor,
-                         map<string, string>* variables) {
-  SetCommonFieldVariables(descriptor, variables);
+                         map<string, string>* variables,
+                         const Options& options) {
+  SetCommonFieldVariables(descriptor, variables, options);
   (*variables)["type"] = FieldMessageTypeName(descriptor);
   (*variables)["stream_writer"] = (*variables)["declared_type"] +
       (HasFastArraySerialization(descriptor->message_type()->file()) ?
@@ -59,9 +60,10 @@ void SetMessageVariables(const FieldDescriptor* descriptor,
 // ===================================================================
 
 MessageFieldGenerator::
-MessageFieldGenerator(const FieldDescriptor* descriptor)
+MessageFieldGenerator(const FieldDescriptor* descriptor,
+                      const Options& options)
   : descriptor_(descriptor) {
-  SetMessageVariables(descriptor, &variables_);
+  SetMessageVariables(descriptor, &variables_, options);
 }
 
 MessageFieldGenerator::~MessageFieldGenerator() {}
@@ -75,19 +77,44 @@ void MessageFieldGenerator::
 GenerateAccessorDeclarations(io::Printer* printer) const {
   printer->Print(variables_,
     "inline const $type$& $name$() const$deprecation$;\n"
-    "inline $type$* mutable_$name$()$deprecation$;\n");
+    "inline $type$* mutable_$name$()$deprecation$;\n"
+    "inline $type$* release_$name$()$deprecation$;\n"
+    "inline void set_allocated_$name$($type$* $name$)$deprecation$;\n");
 }
 
 void MessageFieldGenerator::
 GenerateInlineAccessorDefinitions(io::Printer* printer) const {
   printer->Print(variables_,
-    "inline const $type$& $classname$::$name$() const {\n"
-    "  return $name$_ != NULL ? *$name$_ : *default_instance_->$name$_;\n"
+    "inline const $type$& $classname$::$name$() const {\n");
+
+  PrintHandlingOptionalStaticInitializers(
+    variables_, descriptor_->file(), printer,
+    // With static initializers.
+    "  return $name$_ != NULL ? *$name$_ : *default_instance_->$name$_;\n",
+    // Without.
+    "  return $name$_ != NULL ? *$name$_ : *default_instance().$name$_;\n");
+
+  printer->Print(variables_,
     "}\n"
     "inline $type$* $classname$::mutable_$name$() {\n"
-    "  _set_bit($index$);\n"
+    "  set_has_$name$();\n"
     "  if ($name$_ == NULL) $name$_ = new $type$;\n"
     "  return $name$_;\n"
+    "}\n"
+    "inline $type$* $classname$::release_$name$() {\n"
+    "  clear_has_$name$();\n"
+    "  $type$* temp = $name$_;\n"
+    "  $name$_ = NULL;\n"
+    "  return temp;\n"
+    "}\n"
+    "inline void $classname$::set_allocated_$name$($type$* $name$) {\n"
+    "  delete $name$_;\n"
+    "  $name$_ = $name$;\n"
+    "  if ($name$) {\n"
+    "    set_has_$name$();\n"
+    "  } else {\n"
+    "    clear_has_$name$();\n"
+    "  }\n"
     "}\n");
 }
 
@@ -152,9 +179,10 @@ GenerateByteSize(io::Printer* printer) const {
 // ===================================================================
 
 RepeatedMessageFieldGenerator::
-RepeatedMessageFieldGenerator(const FieldDescriptor* descriptor)
+RepeatedMessageFieldGenerator(const FieldDescriptor* descriptor,
+                              const Options& options)
   : descriptor_(descriptor) {
-  SetMessageVariables(descriptor, &variables_);
+  SetMessageVariables(descriptor, &variables_, options);
 }
 
 RepeatedMessageFieldGenerator::~RepeatedMessageFieldGenerator() {}
@@ -182,7 +210,7 @@ void RepeatedMessageFieldGenerator::
 GenerateInlineAccessorDefinitions(io::Printer* printer) const {
   printer->Print(variables_,
     "inline const $type$& $classname$::$name$(int index) const {\n"
-    "  return $name$_.Get(index);\n"
+    "  return $name$_.$cppget$(index);\n"
     "}\n"
     "inline $type$* $classname$::mutable_$name$(int index) {\n"
     "  return $name$_.Mutable(index);\n"
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_message_field.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_message_field.h
similarity index 96%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_message_field.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_message_field.h
index f5147278..a5ed68a5 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_message_field.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_message_field.h
@@ -46,7 +46,8 @@ namespace cpp {
 
 class MessageFieldGenerator : public FieldGenerator {
  public:
-  explicit MessageFieldGenerator(const FieldDescriptor* descriptor);
+  explicit MessageFieldGenerator(const FieldDescriptor* descriptor,
+                                 const Options& options);
   ~MessageFieldGenerator();
 
   // implements FieldGenerator ---------------------------------------
@@ -71,7 +72,8 @@ class MessageFieldGenerator : public FieldGenerator {
 
 class RepeatedMessageFieldGenerator : public FieldGenerator {
  public:
-  explicit RepeatedMessageFieldGenerator(const FieldDescriptor* descriptor);
+  explicit RepeatedMessageFieldGenerator(const FieldDescriptor* descriptor,
+                                         const Options& options);
   ~RepeatedMessageFieldGenerator();
 
   // implements FieldGenerator ---------------------------------------
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/zip_writer.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_options.h
similarity index 79%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/zip_writer.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_options.h
index 42895530..78770662 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/zip_writer.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_options.h
@@ -28,36 +28,31 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Author: kenton@google.com (Kenton Varda)
+// Author: rennie@google.com (Jeffrey Rennie)
+
+#ifndef GOOGLE_PROTOBUF_COMPILER_CPP_OPTIONS_H__
+#define GOOGLE_PROTOBUF_COMPILER_CPP_OPTIONS_H__
+
+#include <string>
 
-#include <vector>
 #include <google/protobuf/stubs/common.h>
-#include <google/protobuf/io/zero_copy_stream.h>
-
 namespace google {
 namespace protobuf {
 namespace compiler {
+namespace cpp {
 
-class ZipWriter {
- public:
-  ZipWriter(io::ZeroCopyOutputStream* raw_output);
-  ~ZipWriter();
-
-  bool Write(const string& filename, const string& contents);
-  bool WriteDirectory();
-
- private:
-  struct FileInfo {
-    string name;
-    uint32 offset;
-    uint32 size;
-    uint32 crc32;
-  };
-
-  io::ZeroCopyOutputStream* raw_output_;
-  vector<FileInfo> files_;
+// Generator options:
+struct Options {
+  Options() : safe_boundary_check(false) {
+  }
+  string dllexport_decl;
+  bool safe_boundary_check;
 };
 
-}  // namespace google
-}  // namespace protobuf
+}  // namespace cpp
 }  // namespace compiler
+}  // namespace protobuf
+
+
+}  // namespace google
+#endif  // GOOGLE_PROTOBUF_COMPILER_CPP_OPTIONS_H__
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_plugin_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_plugin_unittest.cc
similarity index 84%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_plugin_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_plugin_unittest.cc
index 440b7166..5c4aa4fb 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_plugin_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_plugin_unittest.cc
@@ -56,24 +56,24 @@ class TestGenerator : public CodeGenerator {
 
   virtual bool Generate(const FileDescriptor* file,
                         const string& parameter,
-                        OutputDirectory* output_directory,
+                        GeneratorContext* context,
                         string* error) const {
-    TryInsert("test.pb.h", "includes", output_directory);
-    TryInsert("test.pb.h", "namespace_scope", output_directory);
-    TryInsert("test.pb.h", "global_scope", output_directory);
-    TryInsert("test.pb.h", "class_scope:foo.Bar", output_directory);
-    TryInsert("test.pb.h", "class_scope:foo.Bar.Baz", output_directory);
+    TryInsert("test.pb.h", "includes", context);
+    TryInsert("test.pb.h", "namespace_scope", context);
+    TryInsert("test.pb.h", "global_scope", context);
+    TryInsert("test.pb.h", "class_scope:foo.Bar", context);
+    TryInsert("test.pb.h", "class_scope:foo.Bar.Baz", context);
 
-    TryInsert("test.pb.cc", "includes", output_directory);
-    TryInsert("test.pb.cc", "namespace_scope", output_directory);
-    TryInsert("test.pb.cc", "global_scope", output_directory);
+    TryInsert("test.pb.cc", "includes", context);
+    TryInsert("test.pb.cc", "namespace_scope", context);
+    TryInsert("test.pb.cc", "global_scope", context);
     return true;
   }
 
   void TryInsert(const string& filename, const string& insertion_point,
-                 OutputDirectory* output_directory) const {
+                 GeneratorContext* context) const {
     scoped_ptr<io::ZeroCopyOutputStream> output(
-      output_directory->OpenForInsert(filename, insertion_point));
+      context->OpenForInsert(filename, insertion_point));
     io::Printer printer(output.get(), '$');
     printer.Print("// inserted $name$\n", "name", insertion_point);
   }
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_primitive_field.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_primitive_field.cc
similarity index 95%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_primitive_field.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_primitive_field.cc
index a69c48b5..1c35fefa 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_primitive_field.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_primitive_field.cc
@@ -80,8 +80,9 @@ int FixedSize(FieldDescriptor::Type type) {
 }
 
 void SetPrimitiveVariables(const FieldDescriptor* descriptor,
-                           map<string, string>* variables) {
-  SetCommonFieldVariables(descriptor, variables);
+                           map<string, string>* variables,
+                           const Options& options) {
+  SetCommonFieldVariables(descriptor, variables, options);
   (*variables)["type"] = PrimitiveTypeName(descriptor->cpp_type());
   (*variables)["default"] = DefaultValue(descriptor);
   (*variables)["tag"] = SimpleItoa(internal::WireFormat::MakeTag(descriptor));
@@ -99,9 +100,10 @@ void SetPrimitiveVariables(const FieldDescriptor* descriptor,
 // ===================================================================
 
 PrimitiveFieldGenerator::
-PrimitiveFieldGenerator(const FieldDescriptor* descriptor)
+PrimitiveFieldGenerator(const FieldDescriptor* descriptor,
+                        const Options& options)
   : descriptor_(descriptor) {
-  SetPrimitiveVariables(descriptor, &variables_);
+  SetPrimitiveVariables(descriptor, &variables_, options);
 }
 
 PrimitiveFieldGenerator::~PrimitiveFieldGenerator() {}
@@ -125,7 +127,7 @@ GenerateInlineAccessorDefinitions(io::Printer* printer) const {
     "  return $name$_;\n"
     "}\n"
     "inline void $classname$::set_$name$($type$ value) {\n"
-    "  _set_bit($index$);\n"
+    "  set_has_$name$();\n"
     "  $name$_ = value;\n"
     "}\n");
 }
@@ -156,7 +158,7 @@ GenerateMergeFromCodedStream(io::Printer* printer) const {
     "DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<\n"
     "         $type$, $wire_format_field_type$>(\n"
     "       input, &$name$_)));\n"
-    "_set_bit($index$);\n");
+    "set_has_$name$();\n");
 }
 
 void PrimitiveFieldGenerator::
@@ -190,9 +192,10 @@ GenerateByteSize(io::Printer* printer) const {
 // ===================================================================
 
 RepeatedPrimitiveFieldGenerator::
-RepeatedPrimitiveFieldGenerator(const FieldDescriptor* descriptor)
+RepeatedPrimitiveFieldGenerator(const FieldDescriptor* descriptor,
+                                const Options& options)
   : descriptor_(descriptor) {
-  SetPrimitiveVariables(descriptor, &variables_);
+  SetPrimitiveVariables(descriptor, &variables_, options);
 
   if (descriptor->options().packed()) {
     variables_["packed_reader"] = "ReadPackedPrimitive";
@@ -366,7 +369,9 @@ GenerateByteSize(io::Printer* printer) const {
       "  total_size += $tag_size$ +\n"
       "    ::google::protobuf::internal::WireFormatLite::Int32Size(data_size);\n"
       "}\n"
+      "GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();\n"
       "_$name$_cached_byte_size_ = data_size;\n"
+      "GOOGLE_SAFE_CONCURRENT_WRITES_END();\n"
       "total_size += data_size;\n");
   } else {
     printer->Print(variables_,
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_primitive_field.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_primitive_field.h
similarity index 96%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_primitive_field.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_primitive_field.h
index 8fcd74ae..48249c40 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_primitive_field.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_primitive_field.h
@@ -46,7 +46,8 @@ namespace cpp {
 
 class PrimitiveFieldGenerator : public FieldGenerator {
  public:
-  explicit PrimitiveFieldGenerator(const FieldDescriptor* descriptor);
+  explicit PrimitiveFieldGenerator(const FieldDescriptor* descriptor,
+                                   const Options& options);
   ~PrimitiveFieldGenerator();
 
   // implements FieldGenerator ---------------------------------------
@@ -71,7 +72,8 @@ class PrimitiveFieldGenerator : public FieldGenerator {
 
 class RepeatedPrimitiveFieldGenerator : public FieldGenerator {
  public:
-  explicit RepeatedPrimitiveFieldGenerator(const FieldDescriptor* descriptor);
+  explicit RepeatedPrimitiveFieldGenerator(const FieldDescriptor* descriptor,
+                                           const Options& options);
   ~RepeatedPrimitiveFieldGenerator();
 
   // implements FieldGenerator ---------------------------------------
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_service.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_service.cc
similarity index 98%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_service.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_service.cc
index c2825683..d20018ea 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_service.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_service.cc
@@ -43,14 +43,14 @@ namespace compiler {
 namespace cpp {
 
 ServiceGenerator::ServiceGenerator(const ServiceDescriptor* descriptor,
-                                   const string& dllexport_decl)
+                                   const Options& options)
   : descriptor_(descriptor) {
   vars_["classname"] = descriptor_->name();
   vars_["full_name"] = descriptor_->full_name();
-  if (dllexport_decl.empty()) {
+  if (options.dllexport_decl.empty()) {
     vars_["dllexport"] = "";
   } else {
-    vars_["dllexport"] = dllexport_decl + " ";
+    vars_["dllexport"] = options.dllexport_decl + " ";
   }
 }
 
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_service.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_service.h
similarity index 97%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_service.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_service.h
index 10e9dd3c..820f9f5f 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_service.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_service.h
@@ -38,6 +38,7 @@
 #include <map>
 #include <string>
 #include <google/protobuf/stubs/common.h>
+#include <google/protobuf/compiler/cpp/cpp_options.h>
 #include <google/protobuf/descriptor.h>
 
 namespace google {
@@ -55,7 +56,7 @@ class ServiceGenerator {
  public:
   // See generator.cc for the meaning of dllexport_decl.
   explicit ServiceGenerator(const ServiceDescriptor* descriptor,
-                            const string& dllexport_decl);
+                            const Options& options);
   ~ServiceGenerator();
 
   // Header stuff.
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_string_field.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_string_field.cc
similarity index 81%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_string_field.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_string_field.cc
index ea6809a9..9c0911ac 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_string_field.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_string_field.cc
@@ -46,10 +46,15 @@ namespace cpp {
 namespace {
 
 void SetStringVariables(const FieldDescriptor* descriptor,
-                        map<string, string>* variables) {
-  SetCommonFieldVariables(descriptor, variables);
-  (*variables)["default"] =
-    "\"" + CEscape(descriptor->default_value_string()) + "\"";
+                        map<string, string>* variables,
+                        const Options& options) {
+  SetCommonFieldVariables(descriptor, variables, options);
+  (*variables)["default"] = DefaultValue(descriptor);
+  (*variables)["default_length"] =
+      SimpleItoa(descriptor->default_value_string().length());
+  (*variables)["default_variable"] = descriptor->default_value_string().empty()
+      ? "&::google::protobuf::internal::kEmptyString"
+      : "_default_" + FieldName(descriptor) + "_";
   (*variables)["pointer_type"] =
       descriptor->type() == FieldDescriptor::TYPE_BYTES ? "void" : "char";
 }
@@ -59,18 +64,20 @@ void SetStringVariables(const FieldDescriptor* descriptor,
 // ===================================================================
 
 StringFieldGenerator::
-StringFieldGenerator(const FieldDescriptor* descriptor)
+StringFieldGenerator(const FieldDescriptor* descriptor,
+                     const Options& options)
   : descriptor_(descriptor) {
-  SetStringVariables(descriptor, &variables_);
+  SetStringVariables(descriptor, &variables_, options);
 }
 
 StringFieldGenerator::~StringFieldGenerator() {}
 
 void StringFieldGenerator::
 GeneratePrivateMembers(io::Printer* printer) const {
-  printer->Print(variables_,
-    "::std::string* $name$_;\n"
-    "static const ::std::string _default_$name$_;\n");
+  printer->Print(variables_, "::std::string* $name$_;\n");
+  if (!descriptor_->default_value_string().empty()) {
+    printer->Print(variables_, "static ::std::string* $default_variable$;\n");
+  }
 }
 
 void StringFieldGenerator::
@@ -105,7 +112,10 @@ GenerateAccessorDeclarations(io::Printer* printer) const {
     "inline void set_$name$(const char* value)$deprecation$;\n"
     "inline void set_$name$(const $pointer_type$* value, size_t size)"
                  "$deprecation$;\n"
-    "inline ::std::string* mutable_$name$()$deprecation$;\n");
+    "inline ::std::string* mutable_$name$()$deprecation$;\n"
+    "inline ::std::string* release_$name$()$deprecation$;\n"
+    "inline void set_allocated_$name$(::std::string* $name$)$deprecation$;\n");
+
 
   if (descriptor_->options().ctype() != FieldOptions::STRING) {
     printer->Outdent();
@@ -121,51 +131,71 @@ GenerateInlineAccessorDefinitions(io::Printer* printer) const {
     "  return *$name$_;\n"
     "}\n"
     "inline void $classname$::set_$name$(const ::std::string& value) {\n"
-    "  _set_bit($index$);\n"
-    "  if ($name$_ == &_default_$name$_) {\n"
+    "  set_has_$name$();\n"
+    "  if ($name$_ == $default_variable$) {\n"
     "    $name$_ = new ::std::string;\n"
     "  }\n"
     "  $name$_->assign(value);\n"
     "}\n"
     "inline void $classname$::set_$name$(const char* value) {\n"
-    "  _set_bit($index$);\n"
-    "  if ($name$_ == &_default_$name$_) {\n"
+    "  set_has_$name$();\n"
+    "  if ($name$_ == $default_variable$) {\n"
     "    $name$_ = new ::std::string;\n"
     "  }\n"
     "  $name$_->assign(value);\n"
     "}\n"
     "inline "
     "void $classname$::set_$name$(const $pointer_type$* value, size_t size) {\n"
-    "  _set_bit($index$);\n"
-    "  if ($name$_ == &_default_$name$_) {\n"
+    "  set_has_$name$();\n"
+    "  if ($name$_ == $default_variable$) {\n"
     "    $name$_ = new ::std::string;\n"
     "  }\n"
     "  $name$_->assign(reinterpret_cast<const char*>(value), size);\n"
     "}\n"
     "inline ::std::string* $classname$::mutable_$name$() {\n"
-    "  _set_bit($index$);\n"
-    "  if ($name$_ == &_default_$name$_) {\n");
+    "  set_has_$name$();\n"
+    "  if ($name$_ == $default_variable$) {\n");
   if (descriptor_->default_value_string().empty()) {
     printer->Print(variables_,
       "    $name$_ = new ::std::string;\n");
   } else {
     printer->Print(variables_,
-      "    $name$_ = new ::std::string(_default_$name$_);\n");
+      "    $name$_ = new ::std::string(*$default_variable$);\n");
   }
   printer->Print(variables_,
     "  }\n"
     "  return $name$_;\n"
+    "}\n"
+    "inline ::std::string* $classname$::release_$name$() {\n"
+    "  clear_has_$name$();\n"
+    "  if ($name$_ == $default_variable$) {\n"
+    "    return NULL;\n"
+    "  } else {\n"
+    "    ::std::string* temp = $name$_;\n"
+    "    $name$_ = const_cast< ::std::string*>($default_variable$);\n"
+    "    return temp;\n"
+    "  }\n"
+    "}\n"
+    "inline void $classname$::set_allocated_$name$(::std::string* $name$) {\n"
+    "  if ($name$_ != $default_variable$) {\n"
+    "    delete $name$_;\n"
+    "  }\n"
+    "  if ($name$) {\n"
+    "    set_has_$name$();\n"
+    "    $name$_ = $name$;\n"
+    "  } else {\n"
+    "    clear_has_$name$();\n"
+    "    $name$_ = const_cast< ::std::string*>($default_variable$);\n"
+    "  }\n"
     "}\n");
 }
 
 void StringFieldGenerator::
 GenerateNonInlineAccessorDefinitions(io::Printer* printer) const {
-  if (descriptor_->default_value_string().empty()) {
+  if (!descriptor_->default_value_string().empty()) {
+    // Initialized in GenerateDefaultInstanceAllocator.
     printer->Print(variables_,
-      "const ::std::string $classname$::_default_$name$_;\n");
-  } else {
-    printer->Print(variables_,
-      "const ::std::string $classname$::_default_$name$_($default$);\n");
+      "::std::string* $classname$::$default_variable$ = NULL;\n");
   }
 }
 
@@ -173,13 +203,13 @@ void StringFieldGenerator::
 GenerateClearingCode(io::Printer* printer) const {
   if (descriptor_->default_value_string().empty()) {
     printer->Print(variables_,
-      "if ($name$_ != &_default_$name$_) {\n"
+      "if ($name$_ != $default_variable$) {\n"
       "  $name$_->clear();\n"
       "}\n");
   } else {
     printer->Print(variables_,
-      "if ($name$_ != &_default_$name$_) {\n"
-      "  $name$_->assign(_default_$name$_);\n"
+      "if ($name$_ != $default_variable$) {\n"
+      "  $name$_->assign(*$default_variable$);\n"
       "}\n");
   }
 }
@@ -197,17 +227,34 @@ GenerateSwappingCode(io::Printer* printer) const {
 void StringFieldGenerator::
 GenerateConstructorCode(io::Printer* printer) const {
   printer->Print(variables_,
-    "$name$_ = const_cast< ::std::string*>(&_default_$name$_);\n");
+    "$name$_ = const_cast< ::std::string*>($default_variable$);\n");
 }
 
 void StringFieldGenerator::
 GenerateDestructorCode(io::Printer* printer) const {
   printer->Print(variables_,
-    "if ($name$_ != &_default_$name$_) {\n"
+    "if ($name$_ != $default_variable$) {\n"
     "  delete $name$_;\n"
     "}\n");
 }
 
+void StringFieldGenerator::
+GenerateDefaultInstanceAllocator(io::Printer* printer) const {
+  if (!descriptor_->default_value_string().empty()) {
+    printer->Print(variables_,
+      "$classname$::$default_variable$ =\n"
+      "    new ::std::string($default$, $default_length$);\n");
+  }
+}
+
+void StringFieldGenerator::
+GenerateShutdownCode(io::Printer* printer) const {
+  if (!descriptor_->default_value_string().empty()) {
+    printer->Print(variables_,
+      "delete $classname$::$default_variable$;\n");
+  }
+}
+
 void StringFieldGenerator::
 GenerateMergeFromCodedStream(io::Printer* printer) const {
   printer->Print(variables_,
@@ -262,9 +309,10 @@ GenerateByteSize(io::Printer* printer) const {
 // ===================================================================
 
 RepeatedStringFieldGenerator::
-RepeatedStringFieldGenerator(const FieldDescriptor* descriptor)
+RepeatedStringFieldGenerator(const FieldDescriptor* descriptor,
+                             const Options& options)
   : descriptor_(descriptor) {
-  SetStringVariables(descriptor, &variables_);
+  SetStringVariables(descriptor, &variables_, options);
 }
 
 RepeatedStringFieldGenerator::~RepeatedStringFieldGenerator() {}
@@ -317,7 +365,7 @@ void RepeatedStringFieldGenerator::
 GenerateInlineAccessorDefinitions(io::Printer* printer) const {
   printer->Print(variables_,
     "inline const ::std::string& $classname$::$name$(int index) const {\n"
-    "  return $name$_.Get(index);\n"
+    "  return $name$_.$cppget$(index);\n"
     "}\n"
     "inline ::std::string* $classname$::mutable_$name$(int index) {\n"
     "  return $name$_.Mutable(index);\n"
@@ -387,7 +435,8 @@ GenerateMergeFromCodedStream(io::Printer* printer) const {
       descriptor_->type() == FieldDescriptor::TYPE_STRING) {
     printer->Print(variables_,
       "::google::protobuf::internal::WireFormat::VerifyUTF8String(\n"
-      "  this->$name$(0).data(), this->$name$(0).length(),\n"
+      "  this->$name$(this->$name$_size() - 1).data(),\n"
+      "  this->$name$(this->$name$_size() - 1).length(),\n"
       "  ::google::protobuf::internal::WireFormat::PARSE);\n");
   }
 }
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_string_field.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_string_field.h
similarity index 94%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_string_field.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_string_field.h
index 7f45107d..3264134a 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_string_field.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_string_field.h
@@ -46,7 +46,8 @@ namespace cpp {
 
 class StringFieldGenerator : public FieldGenerator {
  public:
-  explicit StringFieldGenerator(const FieldDescriptor* descriptor);
+  explicit StringFieldGenerator(const FieldDescriptor* descriptor,
+                                const Options& options);
   ~StringFieldGenerator();
 
   // implements FieldGenerator ---------------------------------------
@@ -59,6 +60,8 @@ class StringFieldGenerator : public FieldGenerator {
   void GenerateSwappingCode(io::Printer* printer) const;
   void GenerateConstructorCode(io::Printer* printer) const;
   void GenerateDestructorCode(io::Printer* printer) const;
+  void GenerateDefaultInstanceAllocator(io::Printer* printer) const;
+  void GenerateShutdownCode(io::Printer* printer) const;
   void GenerateMergeFromCodedStream(io::Printer* printer) const;
   void GenerateSerializeWithCachedSizes(io::Printer* printer) const;
   void GenerateSerializeWithCachedSizesToArray(io::Printer* printer) const;
@@ -73,7 +76,8 @@ class StringFieldGenerator : public FieldGenerator {
 
 class RepeatedStringFieldGenerator : public FieldGenerator {
  public:
-  explicit RepeatedStringFieldGenerator(const FieldDescriptor* descriptor);
+  explicit RepeatedStringFieldGenerator(const FieldDescriptor* descriptor,
+                                        const Options& options);
   ~RepeatedStringFieldGenerator();
 
   // implements FieldGenerator ---------------------------------------
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_test_bad_identifiers.proto b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_test_bad_identifiers.proto
similarity index 90%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_test_bad_identifiers.proto
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_test_bad_identifiers.proto
index 79971a95..e14a818c 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_test_bad_identifiers.proto
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_test_bad_identifiers.proto
@@ -36,6 +36,10 @@
 // though the same identifiers are used internally by the C++ code generator.
 
 
+// Some generic_services option(s) added automatically.
+// See:  http://go/proto2-generic-services-default
+option cc_generic_services = true;     // auto-added
+
 // We don't put this in a package within proto2 because we need to make sure
 // that the generated code doesn't depend on being in the proto2 namespace.
 package protobuf_unittest;
@@ -99,9 +103,19 @@ message TestConflictingSymbolNames {
   message DO {}
   optional DO do = 32;
 
+  // Some template parameter names for extensions.
+  optional int32 field_type = 33;
+  optional bool is_packed = 34;
+
   extensions 1000 to max;
 }
 
+message TestConflictingSymbolNamesExtension {
+  extend TestConflictingSymbolNames {
+    repeated int32 repeated_int32_ext = 20423638 [packed=true];
+  }
+}
+
 message DummyMessage {}
 
 service TestConflictingMethodNames {
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_unittest.cc
similarity index 88%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_unittest.cc
index a7e852de..1eae29b5 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/cpp/cpp_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_unittest.cc
@@ -44,6 +44,8 @@
 // correctly and produces the interfaces we expect, which is why this test
 // is written this way.
 
+#include <google/protobuf/compiler/cpp/cpp_unittest.h>
+
 #include <vector>
 
 #include <google/protobuf/unittest.pb.h>
@@ -64,7 +66,7 @@
 #include <google/protobuf/stubs/substitute.h>
 #include <google/protobuf/testing/googletest.h>
 #include <gtest/gtest.h>
-#include <google/protobuf/stubs/stl_util-inl.h>
+#include <google/protobuf/stubs/stl_util.h>
 
 namespace google {
 namespace protobuf {
@@ -74,6 +76,8 @@ namespace cpp {
 // Can't use an anonymous namespace here due to brokenness of Tru64 compiler.
 namespace cpp_unittest {
 
+namespace protobuf_unittest = ::protobuf_unittest;
+
 
 class MockErrorCollector : public MultiFileErrorCollector {
  public:
@@ -167,6 +171,22 @@ TEST(GeneratedMessageTest, FloatingPointDefaults) {
   EXPECT_TRUE(extreme_default.nan_float() != extreme_default.nan_float());
 }
 
+TEST(GeneratedMessageTest, Trigraph) {
+  const unittest::TestExtremeDefaultValues& extreme_default =
+      unittest::TestExtremeDefaultValues::default_instance();
+
+  EXPECT_EQ("? ? ?? ?? ??? ?\?/ ?\?-", extreme_default.cpp_trigraph());
+}
+
+TEST(GeneratedMessageTest, ExtremeSmallIntegerDefault) {
+  const unittest::TestExtremeDefaultValues& extreme_default =
+      unittest::TestExtremeDefaultValues::default_instance();
+  EXPECT_EQ(-0x80000000, kint32min);
+  EXPECT_EQ(GOOGLE_LONGLONG(-0x8000000000000000), kint64min);
+  EXPECT_EQ(kint32min, extreme_default.really_small_int32());
+  EXPECT_EQ(kint64min, extreme_default.really_small_int64());
+}
+
 TEST(GeneratedMessageTest, Accessors) {
   // Set every field to a unique value then go back and check all those
   // values.
@@ -195,6 +215,98 @@ TEST(GeneratedMessageTest, MutableStringDefault) {
   EXPECT_EQ("hello", *message.mutable_default_string());
 }
 
+TEST(GeneratedMessageTest, StringDefaults) {
+  unittest::TestExtremeDefaultValues message;
+  // Check if '\000' can be used in default string value.
+  EXPECT_EQ(string("hel\000lo", 6), message.string_with_zero());
+  EXPECT_EQ(string("wor\000ld", 6), message.bytes_with_zero());
+}
+
+TEST(GeneratedMessageTest, ReleaseString) {
+  // Check that release_foo() starts out NULL, and gives us a value
+  // that we can delete after it's been set.
+  unittest::TestAllTypes message;
+
+  EXPECT_EQ(NULL, message.release_default_string());
+  EXPECT_FALSE(message.has_default_string());
+  EXPECT_EQ("hello", message.default_string());
+
+  message.set_default_string("blah");
+  EXPECT_TRUE(message.has_default_string());
+  string* str = message.release_default_string();
+  EXPECT_FALSE(message.has_default_string());
+  ASSERT_TRUE(str != NULL);
+  EXPECT_EQ("blah", *str);
+  delete str;
+
+  EXPECT_EQ(NULL, message.release_default_string());
+  EXPECT_FALSE(message.has_default_string());
+  EXPECT_EQ("hello", message.default_string());
+}
+
+TEST(GeneratedMessageTest, ReleaseMessage) {
+  // Check that release_foo() starts out NULL, and gives us a value
+  // that we can delete after it's been set.
+  unittest::TestAllTypes message;
+
+  EXPECT_EQ(NULL, message.release_optional_nested_message());
+  EXPECT_FALSE(message.has_optional_nested_message());
+
+  message.mutable_optional_nested_message()->set_bb(1);
+  unittest::TestAllTypes::NestedMessage* nest =
+      message.release_optional_nested_message();
+  EXPECT_FALSE(message.has_optional_nested_message());
+  ASSERT_TRUE(nest != NULL);
+  EXPECT_EQ(1, nest->bb());
+  delete nest;
+
+  EXPECT_EQ(NULL, message.release_optional_nested_message());
+  EXPECT_FALSE(message.has_optional_nested_message());
+}
+
+TEST(GeneratedMessageTest, SetAllocatedString) {
+  // Check that set_allocated_foo() works for strings.
+  unittest::TestAllTypes message;
+
+  EXPECT_FALSE(message.has_optional_string());
+  const string kHello("hello");
+  message.set_optional_string(kHello);
+  EXPECT_TRUE(message.has_optional_string());
+
+  message.set_allocated_optional_string(NULL);
+  EXPECT_FALSE(message.has_optional_string());
+  EXPECT_EQ("", message.optional_string());
+
+  message.set_allocated_optional_string(new string(kHello));
+  EXPECT_TRUE(message.has_optional_string());
+  EXPECT_EQ(kHello, message.optional_string());
+}
+
+TEST(GeneratedMessageTest, SetAllocatedMessage) {
+  // Check that set_allocated_foo() can be called in all cases.
+  unittest::TestAllTypes message;
+
+  EXPECT_FALSE(message.has_optional_nested_message());
+
+  message.mutable_optional_nested_message()->set_bb(1);
+  EXPECT_TRUE(message.has_optional_nested_message());
+
+  message.set_allocated_optional_nested_message(NULL);
+  EXPECT_FALSE(message.has_optional_nested_message());
+  EXPECT_EQ(&unittest::TestAllTypes::NestedMessage::default_instance(),
+            &message.optional_nested_message());
+
+  message.mutable_optional_nested_message()->set_bb(1);
+  unittest::TestAllTypes::NestedMessage* nest =
+      message.release_optional_nested_message();
+  ASSERT_TRUE(nest != NULL);
+  EXPECT_FALSE(message.has_optional_nested_message());
+
+  message.set_allocated_optional_nested_message(nest);
+  EXPECT_TRUE(message.has_optional_nested_message());
+  EXPECT_EQ(1, message.optional_nested_message().bb());
+}
+
 TEST(GeneratedMessageTest, Clear) {
   // Set every field to a unique value, clear the message, then check that
   // it is cleared.
@@ -269,7 +381,6 @@ TEST(GeneratedMessageTest, StringCharStarLength) {
   EXPECT_EQ("wx", message.repeated_string(0));
 }
 
-
 TEST(GeneratedMessageTest, CopyFrom) {
   unittest::TestAllTypes message1, message2;
 
@@ -376,10 +487,12 @@ TEST(GeneratedMessageTest, CopyAssignmentOperator) {
   TestUtil::ExpectAllFieldsSet(message2);
 
   // Make sure that self-assignment does something sane.
-  message2 = message2;
+  message2.operator=(message2);
   TestUtil::ExpectAllFieldsSet(message2);
 }
 
+#if !defined(PROTOBUF_TEST_NO_DESCRIPTORS) || \
+    !defined(GOOGLE_PROTOBUF_NO_RTTI)
 TEST(GeneratedMessageTest, UpcastCopyFrom) {
   // Test the CopyFrom method that takes in the generic const Message&
   // parameter.
@@ -392,6 +505,7 @@ TEST(GeneratedMessageTest, UpcastCopyFrom) {
 
   TestUtil::ExpectAllFieldsSet(message2);
 }
+#endif
 
 #ifndef PROTOBUF_TEST_NO_DESCRIPTORS
 
@@ -443,7 +557,9 @@ TEST(GeneratedMessageTest, NonEmptyMergeFrom) {
   TestUtil::ExpectAllFieldsSet(message1);
 }
 
-#ifdef GTEST_HAS_DEATH_TEST
+#if !defined(PROTOBUF_TEST_NO_DESCRIPTORS) || \
+    !defined(GOOGLE_PROTOBUF_NO_RTTI)
+#ifdef PROTOBUF_HAS_DEATH_TEST
 
 TEST(GeneratedMessageTest, MergeFromSelf) {
   unittest::TestAllTypes message;
@@ -452,7 +568,8 @@ TEST(GeneratedMessageTest, MergeFromSelf) {
                "&from");
 }
 
-#endif  // GTEST_HAS_DEATH_TEST
+#endif  // PROTOBUF_HAS_DEATH_TEST
+#endif  // !PROTOBUF_TEST_NO_DESCRIPTORS || !GOOGLE_PROTOBUF_NO_RTTI
 
 // Test the generated SerializeWithCachedSizesToArray(),
 TEST(GeneratedMessageTest, SerializationToArray) {
@@ -645,6 +762,13 @@ TEST(GeneratedMessageTest, TestConflictingSymbolNames) {
 
   message.set_friend_(5);
   EXPECT_EQ(5, message.friend_());
+
+  // Instantiate extension template functions to test conflicting template
+  // parameter names.
+  typedef protobuf_unittest::TestConflictingSymbolNamesExtension ExtensionMessage;
+  message.AddExtension(ExtensionMessage::repeated_int32_ext, 123);
+  EXPECT_EQ(123,
+            message.GetExtension(ExtensionMessage::repeated_int32_ext, 0));
 }
 
 #ifndef PROTOBUF_TEST_NO_DESCRIPTORS
@@ -718,6 +842,7 @@ TEST(GeneratedMessageTest, TestSpaceUsed) {
 
 #endif  // !PROTOBUF_TEST_NO_DESCRIPTORS
 
+
 TEST(GeneratedMessageTest, FieldConstantValues) {
   unittest::TestRequired message;
   EXPECT_EQ(unittest::TestAllTypes_NestedMessage::kBbFieldNumber, 1);
@@ -809,20 +934,19 @@ TEST(GeneratedEnumTest, MinAndMax) {
   EXPECT_EQ(12589235, unittest::TestSparseEnum_ARRAYSIZE);
 
   // Make sure we can take the address of _MIN, _MAX and _ARRAYSIZE.
-  void* nullptr = 0;  // NULL may be integer-type, not pointer-type.
-  EXPECT_NE(nullptr, &unittest::TestAllTypes::NestedEnum_MIN);
-  EXPECT_NE(nullptr, &unittest::TestAllTypes::NestedEnum_MAX);
-  EXPECT_NE(nullptr, &unittest::TestAllTypes::NestedEnum_ARRAYSIZE);
+  void* null_pointer = 0;  // NULL may be integer-type, not pointer-type.
+  EXPECT_NE(null_pointer, &unittest::TestAllTypes::NestedEnum_MIN);
+  EXPECT_NE(null_pointer, &unittest::TestAllTypes::NestedEnum_MAX);
+  EXPECT_NE(null_pointer, &unittest::TestAllTypes::NestedEnum_ARRAYSIZE);
 
-  EXPECT_NE(nullptr, &unittest::ForeignEnum_MIN);
-  EXPECT_NE(nullptr, &unittest::ForeignEnum_MAX);
-  EXPECT_NE(nullptr, &unittest::ForeignEnum_ARRAYSIZE);
+  EXPECT_NE(null_pointer, &unittest::ForeignEnum_MIN);
+  EXPECT_NE(null_pointer, &unittest::ForeignEnum_MAX);
+  EXPECT_NE(null_pointer, &unittest::ForeignEnum_ARRAYSIZE);
 
-  // Make sure we can use _MIN, _MAX and _ARRAYSIZE as switch cases.
+  // Make sure we can use _MIN and _MAX as switch cases.
   switch (unittest::SPARSE_A) {
     case unittest::TestSparseEnum_MIN:
     case unittest::TestSparseEnum_MAX:
-    case unittest::TestSparseEnum_ARRAYSIZE:
       break;
     default:
       break;
@@ -1079,7 +1203,7 @@ TEST_F(GeneratedServiceTest, CallMethod) {
 TEST_F(GeneratedServiceTest, CallMethodTypeFailure) {
   // Verify death if we call Foo() with Bar's message types.
 
-#ifdef GTEST_HAS_DEATH_TEST  // death tests do not work on Windows yet
+#ifdef PROTOBUF_HAS_DEATH_TEST  // death tests do not work on Windows yet
   EXPECT_DEBUG_DEATH(
     mock_service_.CallMethod(foo_, &mock_controller_,
                              &foo_request_, &bar_response_, done_.get()),
@@ -1090,7 +1214,7 @@ TEST_F(GeneratedServiceTest, CallMethodTypeFailure) {
     mock_service_.CallMethod(foo_, &mock_controller_,
                              &bar_request_, &foo_response_, done_.get()),
     "dynamic_cast");
-#endif  // GTEST_HAS_DEATH_TEST
+#endif  // PROTOBUF_HAS_DEATH_TEST
 }
 
 TEST_F(GeneratedServiceTest, GetPrototypes) {
diff --git a/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_unittest.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_unittest.h
new file mode 100644
index 00000000..a3a1d1ba
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/cpp/cpp_unittest.h
@@ -0,0 +1,51 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// This header declares the namespace google::protobuf::protobuf_unittest in order to expose
+// any problems with the generated class names. We use this header to ensure
+// unittest.cc will declare the namespace prior to other includes, while obeying
+// normal include ordering.
+//
+// When generating a class name of "foo.Bar" we must ensure we prefix the class
+// name with "::", in case the namespace google::protobuf::foo exists. We intentionally
+// trigger that case here by declaring google::protobuf::protobuf_unittest.
+//
+// See ClassName in helpers.h for more details.
+
+#ifndef GOOGLE_PROTOBUF_COMPILER_CPP_UNITTEST_H__
+#define GOOGLE_PROTOBUF_COMPILER_CPP_UNITTEST_H__
+
+namespace google {
+namespace protobuf {
+namespace protobuf_unittest {}
+}  // namespace protobuf
+
+}  // namespace google
+#endif  // GOOGLE_PROTOBUF_COMPILER_CPP_UNITTEST_H__
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/importer.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/importer.cc
similarity index 98%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/importer.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/importer.cc
index 7689ce93..422f759f 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/importer.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/importer.cc
@@ -231,7 +231,12 @@ static string CanonicalizePath(string path) {
   // The Win32 API accepts forward slashes as a path delimiter even though
   // backslashes are standard.  Let's avoid confusion and use only forward
   // slashes.
-  path = StringReplace(path, "\\", "/", true);
+  if (HasPrefixString(path, "\\\\")) {
+    // Avoid converting two leading backslashes.
+    path = "\\\\" + StringReplace(path.substr(2), "\\", "/", true);
+  } else {
+    path = StringReplace(path, "\\", "/", true);
+  }
 #endif
 
   vector<string> parts;
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/importer.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/importer.h
similarity index 98%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/importer.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/importer.h
index 7a2efc29..7a62fa0e 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/importer.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/importer.h
@@ -280,8 +280,9 @@ class LIBPROTOBUF_EXPORT DiskSourceTree : public SourceTree {
     string virtual_path;
     string disk_path;
 
-    inline Mapping(const string& virtual_path, const string& disk_path)
-      : virtual_path(virtual_path), disk_path(disk_path) {}
+    inline Mapping(const string& virtual_path_param,
+                   const string& disk_path_param)
+      : virtual_path(virtual_path_param), disk_path(disk_path_param) {}
   };
   vector<Mapping> mappings_;
 
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/importer_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/importer_unittest.cc
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/importer_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/importer_unittest.cc
diff --git a/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_doc_comment.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_doc_comment.cc
new file mode 100644
index 00000000..60b4f2ac
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_doc_comment.cc
@@ -0,0 +1,236 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Author: kenton@google.com (Kenton Varda)
+//  Based on original Protocol Buffers design by
+//  Sanjay Ghemawat, Jeff Dean, and others.
+
+#include <google/protobuf/compiler/java/java_doc_comment.h>
+
+#include <vector>
+
+#include <google/protobuf/io/printer.h>
+#include <google/protobuf/stubs/strutil.h>
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+namespace java {
+
+string EscapeJavadoc(const string& input) {
+  string result;
+  result.reserve(input.size() * 2);
+
+  char prev = '*';
+
+  for (string::size_type i = 0; i < input.size(); i++) {
+    char c = input[i];
+    switch (c) {
+      case '*':
+        // Avoid "/*".
+        if (prev == '/') {
+          result.append("&#42;");
+        } else {
+          result.push_back(c);
+        }
+        break;
+      case '/':
+        // Avoid "*/".
+        if (prev == '*') {
+          result.append("&#47;");
+        } else {
+          result.push_back(c);
+        }
+        break;
+      case '@':
+        // "{@" starts Javadoc markup.
+        if (prev == '{') {
+          result.append("&#64;");
+        } else {
+          result.push_back(c);
+        }
+        break;
+      case '<':
+        // Avoid interpretation as HTML.
+        result.append("&lt;");
+        break;
+      case '>':
+        // Avoid interpretation as HTML.
+        result.append("&gt;");
+        break;
+      case '&':
+        // Avoid interpretation as HTML.
+        result.append("&amp;");
+        break;
+      case '\\':
+        // Java interprets Unicode escape sequences anywhere!
+        result.append("&#92;");
+        break;
+      default:
+        result.push_back(c);
+        break;
+    }
+
+    prev = c;
+  }
+
+  return result;
+}
+
+static void WriteDocCommentBodyForLocation(
+    io::Printer* printer, const SourceLocation& location) {
+  string comments = location.leading_comments.empty() ?
+      location.trailing_comments : location.leading_comments;
+  if (!comments.empty()) {
+    // TODO(kenton):  Ideally we should parse the comment text as Markdown and
+    //   write it back as HTML, but this requires a Markdown parser.  For now
+    //   we just use <pre> to get fixed-width text formatting.
+
+    // If the comment itself contains block comment start or end markers,
+    // HTML-escape them so that they don't accidentally close the doc comment.
+    comments = EscapeJavadoc(comments);
+
+    vector<string> lines;
+    SplitStringAllowEmpty(comments, "\n", &lines);
+    while (!lines.empty() && lines.back().empty()) {
+      lines.pop_back();
+    }
+
+    printer->Print(
+        " *\n"
+        " * <pre>\n");
+    for (int i = 0; i < lines.size(); i++) {
+      // Most lines should start with a space.  Watch out for lines that start
+      // with a /, since putting that right after the leading asterisk will
+      // close the comment.
+      if (!lines[i].empty() && lines[i][0] == '/') {
+        printer->Print(" * $line$\n", "line", lines[i]);
+      } else {
+        printer->Print(" *$line$\n", "line", lines[i]);
+      }
+    }
+    printer->Print(" * </pre>\n");
+  }
+}
+
+template <typename DescriptorType>
+static void WriteDocCommentBody(
+    io::Printer* printer, const DescriptorType* descriptor) {
+  SourceLocation location;
+  if (descriptor->GetSourceLocation(&location)) {
+    WriteDocCommentBodyForLocation(printer, location);
+  }
+}
+
+static string FirstLineOf(const string& value) {
+  string result = value;
+
+  string::size_type pos = result.find_first_of('\n');
+  if (pos != string::npos) {
+    result.erase(pos);
+  }
+
+  // If line ends in an opening brace, make it "{ ... }" so it looks nice.
+  if (!result.empty() && result[result.size() - 1] == '{') {
+    result.append(" ... }");
+  }
+
+  return result;
+}
+
+void WriteMessageDocComment(io::Printer* printer, const Descriptor* message) {
+  printer->Print(
+    "/**\n"
+    " * Protobuf type {@code $fullname$}\n",
+    "fullname", EscapeJavadoc(message->full_name()));
+  WriteDocCommentBody(printer, message);
+  printer->Print(" */\n");
+}
+
+void WriteFieldDocComment(io::Printer* printer, const FieldDescriptor* field) {
+  // In theory we should have slightly different comments for setters, getters,
+  // etc., but in practice everyone already knows the difference between these
+  // so it's redundant information.
+
+  // We use the field declaration as the first line of the comment, e.g.:
+  //   optional string foo = 5;
+  // This communicates a lot of information about the field in a small space.
+  // If the field is a group, the debug string might end with {.
+  printer->Print(
+    "/**\n"
+    " * <code>$def$</code>\n",
+    "def", EscapeJavadoc(FirstLineOf(field->DebugString())));
+  WriteDocCommentBody(printer, field);
+  printer->Print(" */\n");
+}
+
+void WriteEnumDocComment(io::Printer* printer, const EnumDescriptor* enum_) {
+  printer->Print(
+    "/**\n"
+    " * Protobuf enum {@code $fullname$}\n",
+    "fullname", EscapeJavadoc(enum_->full_name()));
+  WriteDocCommentBody(printer, enum_);
+  printer->Print(" */\n");
+}
+
+void WriteEnumValueDocComment(io::Printer* printer,
+                              const EnumValueDescriptor* value) {
+  printer->Print(
+    "/**\n"
+    " * <code>$def$</code>\n",
+    "def", EscapeJavadoc(FirstLineOf(value->DebugString())));
+  WriteDocCommentBody(printer, value);
+  printer->Print(" */\n");
+}
+
+void WriteServiceDocComment(io::Printer* printer,
+                            const ServiceDescriptor* service) {
+  printer->Print(
+    "/**\n"
+    " * Protobuf service {@code $fullname$}\n",
+    "fullname", EscapeJavadoc(service->full_name()));
+  WriteDocCommentBody(printer, service);
+  printer->Print(" */\n");
+}
+
+void WriteMethodDocComment(io::Printer* printer,
+                           const MethodDescriptor* method) {
+  printer->Print(
+    "/**\n"
+    " * <code>$def$</code>\n",
+    "def", EscapeJavadoc(FirstLineOf(method->DebugString())));
+  WriteDocCommentBody(printer, method);
+  printer->Print(" */\n");
+}
+
+}  // namespace java
+}  // namespace compiler
+}  // namespace protobuf
+}  // namespace google
diff --git a/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_doc_comment.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_doc_comment.h
new file mode 100644
index 00000000..7244d9ba
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_doc_comment.h
@@ -0,0 +1,69 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Author: kenton@google.com (Kenton Varda)
+//  Based on original Protocol Buffers design by
+//  Sanjay Ghemawat, Jeff Dean, and others.
+
+#ifndef GOOGLE_PROTOBUF_COMPILER_JAVA_DOC_COMMENT_H__
+#define GOOGLE_PROTOBUF_COMPILER_JAVA_DOC_COMMENT_H__
+
+#include <google/protobuf/descriptor.h>
+
+namespace google {
+namespace protobuf {
+  namespace io {
+    class Printer;             // printer.h
+  }
+}
+
+namespace protobuf {
+namespace compiler {
+namespace java {
+
+void WriteMessageDocComment(io::Printer* printer, const Descriptor* message);
+void WriteFieldDocComment(io::Printer* printer, const FieldDescriptor* field);
+void WriteEnumDocComment(io::Printer* printer, const EnumDescriptor* enum_);
+void WriteEnumValueDocComment(io::Printer* printer,
+                              const EnumValueDescriptor* value);
+void WriteServiceDocComment(io::Printer* printer,
+                            const ServiceDescriptor* service);
+void WriteMethodDocComment(io::Printer* printer,
+                           const MethodDescriptor* method);
+
+// Exposed for testing only.
+LIBPROTOC_EXPORT string EscapeJavadoc(const string& input);
+
+}  // namespace java
+}  // namespace compiler
+}  // namespace protobuf
+
+}  // namespace google
+#endif  // GOOGLE_PROTOBUF_COMPILER_JAVA_DOC_COMMENT_H__
diff --git a/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_doc_comment_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_doc_comment_unittest.cc
new file mode 100644
index 00000000..28b6d8b4
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_doc_comment_unittest.cc
@@ -0,0 +1,66 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Author: kenton@google.com (Kenton Varda)
+
+#include <google/protobuf/compiler/java/java_doc_comment.h>
+
+#include <gtest/gtest.h>
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+namespace java {
+namespace {
+
+TEST(JavaDocCommentTest, Escaping) {
+  EXPECT_EQ("foo /&#42; bar *&#47; baz", EscapeJavadoc("foo /* bar */ baz"));
+  EXPECT_EQ("foo /&#42;&#47; baz", EscapeJavadoc("foo /*/ baz"));
+  EXPECT_EQ("{&#64;foo}", EscapeJavadoc("{@foo}"));
+  EXPECT_EQ("&lt;i&gt;&amp;&lt;/i&gt;", EscapeJavadoc("<i>&</i>"));
+  EXPECT_EQ("foo&#92;u1234bar", EscapeJavadoc("foo\\u1234bar"));
+}
+
+// TODO(kenton):  It's hard to write a robust test of the doc comments -- we
+//   can only really compare the output against a golden value, which is a
+//   fairly tedious and fragile testing strategy.  If we want to go that route,
+//   it probably makes sense to bite the bullet and write a test that compares
+//   the whole generated output for unittest.proto against a golden value, with
+//   a very simple script that can be run to regenerate it with the latest code.
+//   This would mean that updates to the golden file would have to be included
+//   in any change to the code generator, which would actually be fairly useful
+//   as it allows the reviewer to see clearly how the generated code is
+//   changing.
+
+}  // namespace
+}  // namespace java
+}  // namespace compiler
+}  // namespace protobuf
+}  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_enum.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_enum.cc
similarity index 79%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_enum.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_enum.cc
index 85e39f53..cfed815f 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_enum.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_enum.cc
@@ -36,6 +36,7 @@
 #include <string>
 
 #include <google/protobuf/compiler/java/java_enum.h>
+#include <google/protobuf/compiler/java/java_doc_comment.h>
 #include <google/protobuf/compiler/java/java_helpers.h>
 #include <google/protobuf/io/printer.h>
 #include <google/protobuf/descriptor.pb.h>
@@ -67,6 +68,7 @@ EnumGenerator::EnumGenerator(const EnumDescriptor* descriptor)
 EnumGenerator::~EnumGenerator() {}
 
 void EnumGenerator::Generate(io::Printer* printer) {
+  WriteEnumDocComment(printer, descriptor_);
   if (HasDescriptorMethods(descriptor_)) {
     printer->Print(
       "public enum $classname$\n"
@@ -85,6 +87,7 @@ void EnumGenerator::Generate(io::Printer* printer) {
     vars["name"] = canonical_values_[i]->name();
     vars["index"] = SimpleItoa(canonical_values_[i]->index());
     vars["number"] = SimpleItoa(canonical_values_[i]->number());
+    WriteEnumValueDocComment(printer, canonical_values_[i]);
     printer->Print(vars,
       "$name$($index$, $number$),\n");
   }
@@ -100,10 +103,21 @@ void EnumGenerator::Generate(io::Printer* printer) {
     vars["classname"] = descriptor_->name();
     vars["name"] = aliases_[i].value->name();
     vars["canonical_name"] = aliases_[i].canonical_value->name();
+    WriteEnumValueDocComment(printer, aliases_[i].value);
     printer->Print(vars,
       "public static final $classname$ $name$ = $canonical_name$;\n");
   }
 
+  for (int i = 0; i < descriptor_->value_count(); i++) {
+    map<string, string> vars;
+    vars["name"] = descriptor_->value(i)->name();
+    vars["number"] = SimpleItoa(descriptor_->value(i)->number());
+    WriteEnumValueDocComment(printer, descriptor_->value(i));
+    printer->Print(vars,
+      "public static final int $name$_VALUE = $number$;\n");
+  }
+  printer->Print("\n");
+
   // -----------------------------------------------------------------
 
   printer->Print(
@@ -138,7 +152,7 @@ void EnumGenerator::Generate(io::Printer* printer) {
     "    internalValueMap =\n"
     "      new com.google.protobuf.Internal.EnumLiteMap<$classname$>() {\n"
     "        public $classname$ findValueByNumber(int number) {\n"
-    "          return $classname$.valueOf(number)\n;"
+    "          return $classname$.valueOf(number);\n"
     "        }\n"
     "      };\n"
     "\n",
@@ -178,18 +192,30 @@ void EnumGenerator::Generate(io::Printer* printer) {
     printer->Print(
       "}\n"
       "\n"
-      "private static final $classname$[] VALUES = {\n"
-      "  ",
+      "private static final $classname$[] VALUES = ",
       "classname", descriptor_->name());
 
-    for (int i = 0; i < descriptor_->value_count(); i++) {
-      printer->Print("$name$, ",
-        "name", descriptor_->value(i)->name());
+    if (CanUseEnumValues()) {
+      // If the constants we are going to output are exactly the ones we
+      // have declared in the Java enum in the same order, then we can use
+      // the values() method that the Java compiler automatically generates
+      // for every enum.
+      printer->Print("values();\n");
+    } else {
+      printer->Print(
+        "{\n"
+        "  ");
+      for (int i = 0; i < descriptor_->value_count(); i++) {
+        printer->Print("$name$, ",
+          "name", descriptor_->value(i)->name());
+      }
+      printer->Print(
+          "\n"
+          "};\n");
     }
 
     printer->Print(
       "\n"
-      "};\n"
       "public static $classname$ valueOf(\n"
       "    com.google.protobuf.Descriptors.EnumValueDescriptor desc) {\n"
       "  if (desc.getType() != getDescriptor()) {\n"
@@ -197,31 +223,26 @@ void EnumGenerator::Generate(io::Printer* printer) {
       "      \"EnumValueDescriptor is not for this type.\");\n"
       "  }\n"
       "  return VALUES[desc.getIndex()];\n"
-      "}\n",
+      "}\n"
+      "\n",
       "classname", descriptor_->name());
+
+    // index is only used for reflection; lite implementation does not need it
+    printer->Print("private final int index;\n");
   }
 
   // -----------------------------------------------------------------
 
   printer->Print(
-    "private final int index;\n"
-    "private final int value;\n"
-    "private $classname$(int index, int value) {\n"
-    "  this.index = index;\n"
-    "  this.value = value;\n"
-    "}\n",
+    "private final int value;\n\n"
+    "private $classname$(int index, int value) {\n",
     "classname", descriptor_->name());
-
   if (HasDescriptorMethods(descriptor_)) {
-    // Force the static initialization code for the file to run, since it may
-    // initialize static variables declared in this class.
-    printer->Print(
-      "\n"
-      "static {\n"
-      "  $file$.getDescriptor();\n"
-      "}\n",
-      "file", ClassName(descriptor_->file()));
+    printer->Print("  this.index = index;\n");
   }
+  printer->Print(
+    "  this.value = value;\n"
+    "}\n");
 
   printer->Print(
     "\n"
@@ -232,6 +253,18 @@ void EnumGenerator::Generate(io::Printer* printer) {
   printer->Print("}\n\n");
 }
 
+bool EnumGenerator::CanUseEnumValues() {
+  if (canonical_values_.size() != descriptor_->value_count()) {
+    return false;
+  }
+  for (int i = 0; i < descriptor_->value_count(); i++) {
+    if (descriptor_->value(i)->name() != canonical_values_[i]->name()) {
+      return false;
+    }
+  }
+  return true;
+}
+
 }  // namespace java
 }  // namespace compiler
 }  // namespace protobuf
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_enum.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_enum.h
similarity index 99%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_enum.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_enum.h
index 05ece1f1..9a9e5742 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_enum.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_enum.h
@@ -73,6 +73,8 @@ class EnumGenerator {
   };
   vector<Alias> aliases_;
 
+  bool CanUseEnumValues();
+
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(EnumGenerator);
 };
 
diff --git a/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_enum_field.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_enum_field.cc
new file mode 100644
index 00000000..ec0b067e
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_enum_field.cc
@@ -0,0 +1,603 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Author: kenton@google.com (Kenton Varda)
+//  Based on original Protocol Buffers design by
+//  Sanjay Ghemawat, Jeff Dean, and others.
+
+#include <map>
+#include <string>
+
+#include <google/protobuf/compiler/java/java_enum_field.h>
+#include <google/protobuf/compiler/java/java_doc_comment.h>
+#include <google/protobuf/stubs/common.h>
+#include <google/protobuf/compiler/java/java_helpers.h>
+#include <google/protobuf/io/printer.h>
+#include <google/protobuf/wire_format.h>
+#include <google/protobuf/stubs/strutil.h>
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+namespace java {
+
+namespace {
+
+// TODO(kenton):  Factor out a "SetCommonFieldVariables()" to get rid of
+//   repeat code between this and the other field types.
+void SetEnumVariables(const FieldDescriptor* descriptor,
+                      int messageBitIndex,
+                      int builderBitIndex,
+                      map<string, string>* variables) {
+  (*variables)["name"] =
+    UnderscoresToCamelCase(descriptor);
+  (*variables)["capitalized_name"] =
+    UnderscoresToCapitalizedCamelCase(descriptor);
+  (*variables)["constant_name"] = FieldConstantName(descriptor);
+  (*variables)["number"] = SimpleItoa(descriptor->number());
+  (*variables)["type"] = ClassName(descriptor->enum_type());
+  (*variables)["default"] = DefaultValue(descriptor);
+  (*variables)["tag"] = SimpleItoa(internal::WireFormat::MakeTag(descriptor));
+  (*variables)["tag_size"] = SimpleItoa(
+      internal::WireFormat::TagSize(descriptor->number(), GetType(descriptor)));
+  // TODO(birdo): Add @deprecated javadoc when generating javadoc is supported
+  // by the proto compiler
+  (*variables)["deprecation"] = descriptor->options().deprecated()
+      ? "@java.lang.Deprecated " : "";
+  (*variables)["on_changed"] =
+      HasDescriptorMethods(descriptor->containing_type()) ? "onChanged();" : "";
+
+  // For singular messages and builders, one bit is used for the hasField bit.
+  (*variables)["get_has_field_bit_message"] = GenerateGetBit(messageBitIndex);
+  (*variables)["set_has_field_bit_message"] = GenerateSetBit(messageBitIndex);
+
+  (*variables)["get_has_field_bit_builder"] = GenerateGetBit(builderBitIndex);
+  (*variables)["set_has_field_bit_builder"] = GenerateSetBit(builderBitIndex);
+  (*variables)["clear_has_field_bit_builder"] =
+      GenerateClearBit(builderBitIndex);
+
+  // For repated builders, one bit is used for whether the array is immutable.
+  (*variables)["get_mutable_bit_builder"] = GenerateGetBit(builderBitIndex);
+  (*variables)["set_mutable_bit_builder"] = GenerateSetBit(builderBitIndex);
+  (*variables)["clear_mutable_bit_builder"] = GenerateClearBit(builderBitIndex);
+
+  // For repeated fields, one bit is used for whether the array is immutable
+  // in the parsing constructor.
+  (*variables)["get_mutable_bit_parser"] =
+      GenerateGetBitMutableLocal(builderBitIndex);
+  (*variables)["set_mutable_bit_parser"] =
+      GenerateSetBitMutableLocal(builderBitIndex);
+
+  (*variables)["get_has_field_bit_from_local"] =
+      GenerateGetBitFromLocal(builderBitIndex);
+  (*variables)["set_has_field_bit_to_local"] =
+      GenerateSetBitToLocal(messageBitIndex);
+}
+
+}  // namespace
+
+// ===================================================================
+
+EnumFieldGenerator::
+EnumFieldGenerator(const FieldDescriptor* descriptor,
+                      int messageBitIndex,
+                      int builderBitIndex)
+  : descriptor_(descriptor), messageBitIndex_(messageBitIndex),
+    builderBitIndex_(builderBitIndex) {
+  SetEnumVariables(descriptor, messageBitIndex, builderBitIndex, &variables_);
+}
+
+EnumFieldGenerator::~EnumFieldGenerator() {}
+
+int EnumFieldGenerator::GetNumBitsForMessage() const {
+  return 1;
+}
+
+int EnumFieldGenerator::GetNumBitsForBuilder() const {
+  return 1;
+}
+
+void EnumFieldGenerator::
+GenerateInterfaceMembers(io::Printer* printer) const {
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$boolean has$capitalized_name$();\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$$type$ get$capitalized_name$();\n");
+}
+
+void EnumFieldGenerator::
+GenerateMembers(io::Printer* printer) const {
+  printer->Print(variables_,
+    "private $type$ $name$_;\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public boolean has$capitalized_name$() {\n"
+    "  return $get_has_field_bit_message$;\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public $type$ get$capitalized_name$() {\n"
+    "  return $name$_;\n"
+    "}\n");
+}
+
+void EnumFieldGenerator::
+GenerateBuilderMembers(io::Printer* printer) const {
+  printer->Print(variables_,
+    "private $type$ $name$_ = $default$;\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public boolean has$capitalized_name$() {\n"
+    "  return $get_has_field_bit_builder$;\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public $type$ get$capitalized_name$() {\n"
+    "  return $name$_;\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public Builder set$capitalized_name$($type$ value) {\n"
+    "  if (value == null) {\n"
+    "    throw new NullPointerException();\n"
+    "  }\n"
+    "  $set_has_field_bit_builder$;\n"
+    "  $name$_ = value;\n"
+    "  $on_changed$\n"
+    "  return this;\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public Builder clear$capitalized_name$() {\n"
+    "  $clear_has_field_bit_builder$;\n"
+    "  $name$_ = $default$;\n"
+    "  $on_changed$\n"
+    "  return this;\n"
+    "}\n");
+}
+
+void EnumFieldGenerator::
+GenerateFieldBuilderInitializationCode(io::Printer* printer)  const {
+  // noop for enums
+}
+
+void EnumFieldGenerator::
+GenerateInitializationCode(io::Printer* printer) const {
+  printer->Print(variables_, "$name$_ = $default$;\n");
+}
+
+void EnumFieldGenerator::
+GenerateBuilderClearCode(io::Printer* printer) const {
+  printer->Print(variables_,
+      "$name$_ = $default$;\n"
+      "$clear_has_field_bit_builder$;\n");
+}
+
+void EnumFieldGenerator::
+GenerateMergingCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if (other.has$capitalized_name$()) {\n"
+    "  set$capitalized_name$(other.get$capitalized_name$());\n"
+    "}\n");
+}
+
+void EnumFieldGenerator::
+GenerateBuildingCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if ($get_has_field_bit_from_local$) {\n"
+    "  $set_has_field_bit_to_local$;\n"
+    "}\n"
+    "result.$name$_ = $name$_;\n");
+}
+
+void EnumFieldGenerator::
+GenerateParsingCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "int rawValue = input.readEnum();\n"
+    "$type$ value = $type$.valueOf(rawValue);\n");
+  if (HasUnknownFields(descriptor_->containing_type())) {
+    printer->Print(variables_,
+      "if (value == null) {\n"
+      "  unknownFields.mergeVarintField($number$, rawValue);\n"
+      "} else {\n");
+  } else {
+    printer->Print(variables_,
+      "if (value != null) {\n");
+  }
+  printer->Print(variables_,
+    "  $set_has_field_bit_message$;\n"
+    "  $name$_ = value;\n"
+    "}\n");
+}
+
+void EnumFieldGenerator::
+GenerateParsingDoneCode(io::Printer* printer) const {
+  // noop for enums
+}
+
+void EnumFieldGenerator::
+GenerateSerializationCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if ($get_has_field_bit_message$) {\n"
+    "  output.writeEnum($number$, $name$_.getNumber());\n"
+    "}\n");
+}
+
+void EnumFieldGenerator::
+GenerateSerializedSizeCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if ($get_has_field_bit_message$) {\n"
+    "  size += com.google.protobuf.CodedOutputStream\n"
+    "    .computeEnumSize($number$, $name$_.getNumber());\n"
+    "}\n");
+}
+
+void EnumFieldGenerator::
+GenerateEqualsCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "result = result &&\n"
+    "    (get$capitalized_name$() == other.get$capitalized_name$());\n");
+}
+
+void EnumFieldGenerator::
+GenerateHashCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "hash = (37 * hash) + $constant_name$;\n"
+    "hash = (53 * hash) + hashEnum(get$capitalized_name$());\n");
+}
+
+string EnumFieldGenerator::GetBoxedType() const {
+  return ClassName(descriptor_->enum_type());
+}
+
+// ===================================================================
+
+RepeatedEnumFieldGenerator::
+RepeatedEnumFieldGenerator(const FieldDescriptor* descriptor,
+                           int messageBitIndex,
+                           int builderBitIndex)
+  : descriptor_(descriptor), messageBitIndex_(messageBitIndex),
+    builderBitIndex_(builderBitIndex) {
+  SetEnumVariables(descriptor, messageBitIndex, builderBitIndex, &variables_);
+}
+
+RepeatedEnumFieldGenerator::~RepeatedEnumFieldGenerator() {}
+
+int RepeatedEnumFieldGenerator::GetNumBitsForMessage() const {
+  return 0;
+}
+
+int RepeatedEnumFieldGenerator::GetNumBitsForBuilder() const {
+  return 1;
+}
+
+void RepeatedEnumFieldGenerator::
+GenerateInterfaceMembers(io::Printer* printer) const {
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$java.util.List<$type$> get$capitalized_name$List();\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$int get$capitalized_name$Count();\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$$type$ get$capitalized_name$(int index);\n");
+}
+
+void RepeatedEnumFieldGenerator::
+GenerateMembers(io::Printer* printer) const {
+  printer->Print(variables_,
+    "private java.util.List<$type$> $name$_;\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public java.util.List<$type$> get$capitalized_name$List() {\n"
+    "  return $name$_;\n"   // note:  unmodifiable list
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public int get$capitalized_name$Count() {\n"
+    "  return $name$_.size();\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public $type$ get$capitalized_name$(int index) {\n"
+    "  return $name$_.get(index);\n"
+    "}\n");
+
+  if (descriptor_->options().packed() &&
+      HasGeneratedMethods(descriptor_->containing_type())) {
+    printer->Print(variables_,
+      "private int $name$MemoizedSerializedSize;\n");
+  }
+}
+
+void RepeatedEnumFieldGenerator::
+GenerateBuilderMembers(io::Printer* printer) const {
+  printer->Print(variables_,
+    // One field is the list and the other field keeps track of whether the
+    // list is immutable. If it's immutable, the invariant is that it must
+    // either an instance of Collections.emptyList() or it's an ArrayList
+    // wrapped in a Collections.unmodifiableList() wrapper and nobody else has
+    // a refererence to the underlying ArrayList. This invariant allows us to
+    // share instances of lists between protocol buffers avoiding expensive
+    // memory allocations. Note, immutable is a strong guarantee here -- not
+    // just that the list cannot be modified via the reference but that the
+    // list can never be modified.
+    "private java.util.List<$type$> $name$_ =\n"
+    "  java.util.Collections.emptyList();\n"
+
+    "private void ensure$capitalized_name$IsMutable() {\n"
+    "  if (!$get_mutable_bit_builder$) {\n"
+    "    $name$_ = new java.util.ArrayList<$type$>($name$_);\n"
+    "    $set_mutable_bit_builder$;\n"
+    "  }\n"
+    "}\n");
+
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    // Note:  We return an unmodifiable list because otherwise the caller
+    //   could hold on to the returned list and modify it after the message
+    //   has been built, thus mutating the message which is supposed to be
+    //   immutable.
+    "$deprecation$public java.util.List<$type$> get$capitalized_name$List() {\n"
+    "  return java.util.Collections.unmodifiableList($name$_);\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public int get$capitalized_name$Count() {\n"
+    "  return $name$_.size();\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public $type$ get$capitalized_name$(int index) {\n"
+    "  return $name$_.get(index);\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public Builder set$capitalized_name$(\n"
+    "    int index, $type$ value) {\n"
+    "  if (value == null) {\n"
+    "    throw new NullPointerException();\n"
+    "  }\n"
+    "  ensure$capitalized_name$IsMutable();\n"
+    "  $name$_.set(index, value);\n"
+    "  $on_changed$\n"
+    "  return this;\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public Builder add$capitalized_name$($type$ value) {\n"
+    "  if (value == null) {\n"
+    "    throw new NullPointerException();\n"
+    "  }\n"
+    "  ensure$capitalized_name$IsMutable();\n"
+    "  $name$_.add(value);\n"
+    "  $on_changed$\n"
+    "  return this;\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public Builder addAll$capitalized_name$(\n"
+    "    java.lang.Iterable<? extends $type$> values) {\n"
+    "  ensure$capitalized_name$IsMutable();\n"
+    "  super.addAll(values, $name$_);\n"
+    "  $on_changed$\n"
+    "  return this;\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public Builder clear$capitalized_name$() {\n"
+    "  $name$_ = java.util.Collections.emptyList();\n"
+    "  $clear_mutable_bit_builder$;\n"
+    "  $on_changed$\n"
+    "  return this;\n"
+    "}\n");
+}
+
+void RepeatedEnumFieldGenerator::
+GenerateFieldBuilderInitializationCode(io::Printer* printer)  const {
+  // noop for enums
+}
+
+void RepeatedEnumFieldGenerator::
+GenerateInitializationCode(io::Printer* printer) const {
+  printer->Print(variables_, "$name$_ = java.util.Collections.emptyList();\n");
+}
+
+void RepeatedEnumFieldGenerator::
+GenerateBuilderClearCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "$name$_ = java.util.Collections.emptyList();\n"
+    "$clear_mutable_bit_builder$;\n");
+}
+
+void RepeatedEnumFieldGenerator::
+GenerateMergingCode(io::Printer* printer) const {
+  // The code below does two optimizations:
+  //   1. If the other list is empty, there's nothing to do. This ensures we
+  //      don't allocate a new array if we already have an immutable one.
+  //   2. If the other list is non-empty and our current list is empty, we can
+  //      reuse the other list which is guaranteed to be immutable.
+  printer->Print(variables_,
+    "if (!other.$name$_.isEmpty()) {\n"
+    "  if ($name$_.isEmpty()) {\n"
+    "    $name$_ = other.$name$_;\n"
+    "    $clear_mutable_bit_builder$;\n"
+    "  } else {\n"
+    "    ensure$capitalized_name$IsMutable();\n"
+    "    $name$_.addAll(other.$name$_);\n"
+    "  }\n"
+    "  $on_changed$\n"
+    "}\n");
+}
+
+void RepeatedEnumFieldGenerator::
+GenerateBuildingCode(io::Printer* printer) const {
+  // The code below ensures that the result has an immutable list. If our
+  // list is immutable, we can just reuse it. If not, we make it immutable.
+  printer->Print(variables_,
+    "if ($get_mutable_bit_builder$) {\n"
+    "  $name$_ = java.util.Collections.unmodifiableList($name$_);\n"
+    "  $clear_mutable_bit_builder$;\n"
+    "}\n"
+    "result.$name$_ = $name$_;\n");
+}
+
+void RepeatedEnumFieldGenerator::
+GenerateParsingCode(io::Printer* printer) const {
+  // Read and store the enum
+  printer->Print(variables_,
+    "int rawValue = input.readEnum();\n"
+    "$type$ value = $type$.valueOf(rawValue);\n");
+  if (HasUnknownFields(descriptor_->containing_type())) {
+    printer->Print(variables_,
+      "if (value == null) {\n"
+      "  unknownFields.mergeVarintField($number$, rawValue);\n"
+      "} else {\n");
+  } else {
+    printer->Print(variables_,
+      "if (value != null) {\n");
+  }
+  printer->Print(variables_,
+    "  if (!$get_mutable_bit_parser$) {\n"
+    "    $name$_ = new java.util.ArrayList<$type$>();\n"
+    "    $set_mutable_bit_parser$;\n"
+    "  }\n"
+    "  $name$_.add(value);\n"
+    "}\n");
+}
+
+void RepeatedEnumFieldGenerator::
+GenerateParsingCodeFromPacked(io::Printer* printer) const {
+  // Wrap GenerateParsingCode's contents with a while loop.
+
+  printer->Print(variables_,
+    "int length = input.readRawVarint32();\n"
+    "int oldLimit = input.pushLimit(length);\n"
+    "while(input.getBytesUntilLimit() > 0) {\n");
+  printer->Indent();
+
+  GenerateParsingCode(printer);
+
+  printer->Outdent();
+  printer->Print(variables_,
+    "}\n"
+    "input.popLimit(oldLimit);\n");
+}
+
+void RepeatedEnumFieldGenerator::
+GenerateParsingDoneCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if ($get_mutable_bit_parser$) {\n"
+    "  $name$_ = java.util.Collections.unmodifiableList($name$_);\n"
+    "}\n");
+}
+
+void RepeatedEnumFieldGenerator::
+GenerateSerializationCode(io::Printer* printer) const {
+  if (descriptor_->options().packed()) {
+    printer->Print(variables_,
+      "if (get$capitalized_name$List().size() > 0) {\n"
+      "  output.writeRawVarint32($tag$);\n"
+      "  output.writeRawVarint32($name$MemoizedSerializedSize);\n"
+      "}\n"
+      "for (int i = 0; i < $name$_.size(); i++) {\n"
+      "  output.writeEnumNoTag($name$_.get(i).getNumber());\n"
+      "}\n");
+  } else {
+    printer->Print(variables_,
+      "for (int i = 0; i < $name$_.size(); i++) {\n"
+      "  output.writeEnum($number$, $name$_.get(i).getNumber());\n"
+      "}\n");
+  }
+}
+
+void RepeatedEnumFieldGenerator::
+GenerateSerializedSizeCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "{\n"
+    "  int dataSize = 0;\n");
+  printer->Indent();
+
+  printer->Print(variables_,
+    "for (int i = 0; i < $name$_.size(); i++) {\n"
+    "  dataSize += com.google.protobuf.CodedOutputStream\n"
+    "    .computeEnumSizeNoTag($name$_.get(i).getNumber());\n"
+    "}\n");
+  printer->Print(
+    "size += dataSize;\n");
+  if (descriptor_->options().packed()) {
+    printer->Print(variables_,
+      "if (!get$capitalized_name$List().isEmpty()) {"
+      "  size += $tag_size$;\n"
+      "  size += com.google.protobuf.CodedOutputStream\n"
+      "    .computeRawVarint32Size(dataSize);\n"
+      "}");
+  } else {
+    printer->Print(variables_,
+      "size += $tag_size$ * $name$_.size();\n");
+  }
+
+  // cache the data size for packed fields.
+  if (descriptor_->options().packed()) {
+    printer->Print(variables_,
+      "$name$MemoizedSerializedSize = dataSize;\n");
+  }
+
+  printer->Outdent();
+  printer->Print("}\n");
+}
+
+void RepeatedEnumFieldGenerator::
+GenerateEqualsCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "result = result && get$capitalized_name$List()\n"
+    "    .equals(other.get$capitalized_name$List());\n");
+}
+
+void RepeatedEnumFieldGenerator::
+GenerateHashCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if (get$capitalized_name$Count() > 0) {\n"
+    "  hash = (37 * hash) + $constant_name$;\n"
+    "  hash = (53 * hash) + hashEnumList(get$capitalized_name$List());\n"
+    "}\n");
+}
+
+string RepeatedEnumFieldGenerator::GetBoxedType() const {
+  return ClassName(descriptor_->enum_type());
+}
+
+}  // namespace java
+}  // namespace compiler
+}  // namespace protobuf
+}  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_enum_field.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_enum_field.h
similarity index 77%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_enum_field.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_enum_field.h
index c54a0faf..90fae639 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_enum_field.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_enum_field.h
@@ -46,49 +46,71 @@ namespace java {
 
 class EnumFieldGenerator : public FieldGenerator {
  public:
-  explicit EnumFieldGenerator(const FieldDescriptor* descriptor);
+  explicit EnumFieldGenerator(const FieldDescriptor* descriptor,
+      int messageBitIndex, int builderBitIndex);
   ~EnumFieldGenerator();
 
   // implements FieldGenerator ---------------------------------------
+  int GetNumBitsForMessage() const;
+  int GetNumBitsForBuilder() const;
+  void GenerateInterfaceMembers(io::Printer* printer) const;
   void GenerateMembers(io::Printer* printer) const;
   void GenerateBuilderMembers(io::Printer* printer) const;
   void GenerateInitializationCode(io::Printer* printer) const;
+  void GenerateBuilderClearCode(io::Printer* printer) const;
   void GenerateMergingCode(io::Printer* printer) const;
   void GenerateBuildingCode(io::Printer* printer) const;
   void GenerateParsingCode(io::Printer* printer) const;
+  void GenerateParsingDoneCode(io::Printer* printer) const;
   void GenerateSerializationCode(io::Printer* printer) const;
   void GenerateSerializedSizeCode(io::Printer* printer) const;
+  void GenerateFieldBuilderInitializationCode(io::Printer* printer) const;
+  void GenerateEqualsCode(io::Printer* printer) const;
+  void GenerateHashCode(io::Printer* printer) const;
 
   string GetBoxedType() const;
 
  private:
   const FieldDescriptor* descriptor_;
   map<string, string> variables_;
+  const int messageBitIndex_;
+  const int builderBitIndex_;
 
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(EnumFieldGenerator);
 };
 
 class RepeatedEnumFieldGenerator : public FieldGenerator {
  public:
-  explicit RepeatedEnumFieldGenerator(const FieldDescriptor* descriptor);
+  explicit RepeatedEnumFieldGenerator(const FieldDescriptor* descriptor,
+      int messageBitIndex, int builderBitIndex);
   ~RepeatedEnumFieldGenerator();
 
   // implements FieldGenerator ---------------------------------------
+  int GetNumBitsForMessage() const;
+  int GetNumBitsForBuilder() const;
+  void GenerateInterfaceMembers(io::Printer* printer) const;
   void GenerateMembers(io::Printer* printer) const;
   void GenerateBuilderMembers(io::Printer* printer) const;
   void GenerateInitializationCode(io::Printer* printer) const;
+  void GenerateBuilderClearCode(io::Printer* printer) const;
   void GenerateMergingCode(io::Printer* printer) const;
   void GenerateBuildingCode(io::Printer* printer) const;
   void GenerateParsingCode(io::Printer* printer) const;
   void GenerateParsingCodeFromPacked(io::Printer* printer) const;
+  void GenerateParsingDoneCode(io::Printer* printer) const;
   void GenerateSerializationCode(io::Printer* printer) const;
   void GenerateSerializedSizeCode(io::Printer* printer) const;
+  void GenerateFieldBuilderInitializationCode(io::Printer* printer) const;
+  void GenerateEqualsCode(io::Printer* printer) const;
+  void GenerateHashCode(io::Printer* printer) const;
 
   string GetBoxedType() const;
 
  private:
   const FieldDescriptor* descriptor_;
   map<string, string> variables_;
+  const int messageBitIndex_;
+  const int builderBitIndex_;
 
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(RepeatedEnumFieldGenerator);
 };
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_extension.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_extension.cc
similarity index 51%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_extension.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_extension.cc
index 903b0a9b..921fe658 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_extension.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_extension.cc
@@ -33,6 +33,7 @@
 //  Sanjay Ghemawat, Jeff Dean, and others.
 
 #include <google/protobuf/compiler/java/java_extension.h>
+#include <google/protobuf/compiler/java/java_doc_comment.h>
 #include <google/protobuf/compiler/java/java_helpers.h>
 #include <google/protobuf/stubs/strutil.h>
 #include <google/protobuf/io/printer.h>
@@ -86,105 +87,121 @@ ExtensionGenerator::ExtensionGenerator(const FieldDescriptor* descriptor)
 
 ExtensionGenerator::~ExtensionGenerator() {}
 
-void ExtensionGenerator::Generate(io::Printer* printer) {
-  map<string, string> vars;
-  vars["name"] = UnderscoresToCamelCase(descriptor_);
-  vars["containing_type"] = ClassName(descriptor_->containing_type());
-  vars["number"] = SimpleItoa(descriptor_->number());
-  vars["constant_name"] = FieldConstantName(descriptor_);
-  vars["lite"] = HasDescriptorMethods(descriptor_->file()) ? "" : "Lite";
-
-  JavaType java_type = GetJavaType(descriptor_);
-  string singular_type;
-  switch (java_type) {
-    case JAVATYPE_MESSAGE:
-      vars["type"] = ClassName(descriptor_->message_type());
-      break;
-    case JAVATYPE_ENUM:
-      vars["type"] = ClassName(descriptor_->enum_type());
-      break;
-    default:
-      vars["type"] = BoxedPrimitiveTypeName(java_type);
-      break;
-  }
-
-  printer->Print(vars,
-    "public static final int $constant_name$ = $number$;\n");
-  if (descriptor_->is_repeated()) {
-    printer->Print(vars,
-      "public static final\n"
-      "  com.google.protobuf.GeneratedMessage$lite$.GeneratedExtension<\n"
-      "    $containing_type$,\n"
-      "    java.util.List<$type$>> $name$ =\n"
-      "      com.google.protobuf.GeneratedMessage$lite$\n"
-      "        .newGeneratedExtension();\n");
-  } else {
-    printer->Print(vars,
-      "public static final\n"
-      "  com.google.protobuf.GeneratedMessage$lite$.GeneratedExtension<\n"
-      "    $containing_type$,\n"
-      "    $type$> $name$ =\n"
-      "      com.google.protobuf.GeneratedMessage$lite$\n"
-      "        .newGeneratedExtension();\n");
-  }
-}
-
-void ExtensionGenerator::GenerateInitializationCode(io::Printer* printer) {
-  map<string, string> vars;
-  vars["name"] = UnderscoresToCamelCase(descriptor_);
-  vars["scope"] = scope_;
-  vars["index"] = SimpleItoa(descriptor_->index());
-  vars["extendee"] = ClassName(descriptor_->containing_type());
-  vars["default"] = descriptor_->is_repeated() ? "" : DefaultValue(descriptor_);
-  vars["number"] = SimpleItoa(descriptor_->number());
-  vars["type_constant"] = TypeName(GetType(descriptor_));
-  vars["packed"] = descriptor_->options().packed() ? "true" : "false";
+// Initializes the vars referenced in the generated code templates.
+void InitTemplateVars(const FieldDescriptor* descriptor,
+                      const string& scope,
+                      map<string, string>* vars_pointer) {
+  map<string, string> &vars = *vars_pointer;
+  vars["scope"] = scope;
+  vars["name"] = UnderscoresToCamelCase(descriptor);
+  vars["containing_type"] = ClassName(descriptor->containing_type());
+  vars["number"] = SimpleItoa(descriptor->number());
+  vars["constant_name"] = FieldConstantName(descriptor);
+  vars["index"] = SimpleItoa(descriptor->index());
+  vars["default"] =
+      descriptor->is_repeated() ? "" : DefaultValue(descriptor);
+  vars["type_constant"] = TypeName(GetType(descriptor));
+  vars["packed"] = descriptor->options().packed() ? "true" : "false";
   vars["enum_map"] = "null";
   vars["prototype"] = "null";
 
-  JavaType java_type = GetJavaType(descriptor_);
+  JavaType java_type = GetJavaType(descriptor);
   string singular_type;
   switch (java_type) {
     case JAVATYPE_MESSAGE:
-      vars["type"] = ClassName(descriptor_->message_type());
-      vars["prototype"] = ClassName(descriptor_->message_type()) +
-                          ".getDefaultInstance()";
+      singular_type = ClassName(descriptor->message_type());
+      vars["prototype"] = singular_type + ".getDefaultInstance()";
       break;
     case JAVATYPE_ENUM:
-      vars["type"] = ClassName(descriptor_->enum_type());
-      vars["enum_map"] = ClassName(descriptor_->enum_type()) +
-                         ".internalGetValueMap()";
+      singular_type = ClassName(descriptor->enum_type());
+      vars["enum_map"] = singular_type + ".internalGetValueMap()";
       break;
     default:
-      vars["type"] = BoxedPrimitiveTypeName(java_type);
+      singular_type = BoxedPrimitiveTypeName(java_type);
       break;
   }
+  vars["type"] = descriptor->is_repeated() ?
+      "java.util.List<" + singular_type + ">" : singular_type;
+  vars["singular_type"] = singular_type;
+}
 
+void ExtensionGenerator::Generate(io::Printer* printer) {
+  map<string, string> vars;
+  InitTemplateVars(descriptor_, scope_, &vars);
+  printer->Print(vars,
+      "public static final int $constant_name$ = $number$;\n");
+
+  WriteFieldDocComment(printer, descriptor_);
   if (HasDescriptorMethods(descriptor_->file())) {
-    printer->Print(vars,
-      "$scope$.$name$.internalInit(\n"
-      "    $scope$.getDescriptor().getExtensions().get($index$),\n"
-      "    $type$.class);\n");
-  } else {
-    if (descriptor_->is_repeated()) {
-      printer->Print(vars,
-        "$scope$.$name$.internalInitRepeated(\n"
-        "    $extendee$.getDefaultInstance(),\n"
-        "    $prototype$,\n"
-        "    $enum_map$,\n"
-        "    $number$,\n"
-        "    com.google.protobuf.WireFormat.FieldType.$type_constant$,\n"
-        "    $packed$);\n");
+    // Non-lite extensions
+    if (descriptor_->extension_scope() == NULL) {
+      // Non-nested
+      printer->Print(
+          vars,
+          "public static final\n"
+          "  com.google.protobuf.GeneratedMessage.GeneratedExtension<\n"
+          "    $containing_type$,\n"
+          "    $type$> $name$ = com.google.protobuf.GeneratedMessage\n"
+          "        .newFileScopedGeneratedExtension(\n"
+          "      $singular_type$.class,\n"
+          "      $prototype$);\n");
     } else {
-      printer->Print(vars,
-        "$scope$.$name$.internalInitSingular(\n"
-        "    $extendee$.getDefaultInstance(),\n"
-        "    $default$,\n"
-        "    $prototype$,\n"
-        "    $enum_map$,\n"
-        "    $number$,\n"
-        "    com.google.protobuf.WireFormat.FieldType.$type_constant$);\n");
+      // Nested
+      printer->Print(
+          vars,
+          "public static final\n"
+          "  com.google.protobuf.GeneratedMessage.GeneratedExtension<\n"
+          "    $containing_type$,\n"
+          "    $type$> $name$ = com.google.protobuf.GeneratedMessage\n"
+          "        .newMessageScopedGeneratedExtension(\n"
+          "      $scope$.getDefaultInstance(),\n"
+          "      $index$,\n"
+          "      $singular_type$.class,\n"
+          "      $prototype$);\n");
     }
+  } else {
+    // Lite extensions
+    if (descriptor_->is_repeated()) {
+      printer->Print(
+          vars,
+          "public static final\n"
+          "  com.google.protobuf.GeneratedMessageLite.GeneratedExtension<\n"
+          "    $containing_type$,\n"
+          "    $type$> $name$ = com.google.protobuf.GeneratedMessageLite\n"
+          "        .newRepeatedGeneratedExtension(\n"
+          "      $containing_type$.getDefaultInstance(),\n"
+          "      $prototype$,\n"
+          "      $enum_map$,\n"
+          "      $number$,\n"
+          "      com.google.protobuf.WireFormat.FieldType.$type_constant$,\n"
+          "      $packed$);\n");
+    } else {
+      printer->Print(
+          vars,
+          "public static final\n"
+          "  com.google.protobuf.GeneratedMessageLite.GeneratedExtension<\n"
+          "    $containing_type$,\n"
+          "    $type$> $name$ = com.google.protobuf.GeneratedMessageLite\n"
+          "        .newSingularGeneratedExtension(\n"
+          "      $containing_type$.getDefaultInstance(),\n"
+          "      $default$,\n"
+          "      $prototype$,\n"
+          "      $enum_map$,\n"
+          "      $number$,\n"
+          "      com.google.protobuf.WireFormat.FieldType.$type_constant$);\n");
+    }
+  }
+}
+
+void ExtensionGenerator::GenerateNonNestedInitializationCode(
+    io::Printer* printer) {
+  if (descriptor_->extension_scope() == NULL &&
+      HasDescriptorMethods(descriptor_->file())) {
+    // Only applies to non-nested, non-lite extensions.
+    printer->Print(
+        "$name$.internalInit(descriptor.getExtensions().get($index$));\n",
+        "name", UnderscoresToCamelCase(descriptor_),
+        "index", SimpleItoa(descriptor_->index()));
   }
 }
 
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_extension.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_extension.h
similarity index 97%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_extension.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_extension.h
index 1e423048..009ed9ff 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_extension.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_extension.h
@@ -60,7 +60,7 @@ class ExtensionGenerator {
   ~ExtensionGenerator();
 
   void Generate(io::Printer* printer);
-  void GenerateInitializationCode(io::Printer* printer);
+  void GenerateNonNestedInitializationCode(io::Printer* printer);
   void GenerateRegistrationCode(io::Printer* printer);
 
  private:
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_field.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_field.cc
similarity index 68%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_field.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_field.cc
index 978c8f33..c7d433c8 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_field.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_field.cc
@@ -37,6 +37,7 @@
 #include <google/protobuf/compiler/java/java_primitive_field.h>
 #include <google/protobuf/compiler/java/java_enum_field.h>
 #include <google/protobuf/compiler/java/java_message_field.h>
+#include <google/protobuf/compiler/java/java_string_field.h>
 #include <google/protobuf/stubs/common.h>
 
 namespace google {
@@ -63,33 +64,57 @@ FieldGeneratorMap::FieldGeneratorMap(const Descriptor* descriptor)
     extension_generators_(
       new scoped_ptr<FieldGenerator>[descriptor->extension_count()]) {
 
-  // Construct all the FieldGenerators.
+  // Construct all the FieldGenerators and assign them bit indices for their
+  // bit fields.
+  int messageBitIndex = 0;
+  int builderBitIndex = 0;
   for (int i = 0; i < descriptor->field_count(); i++) {
-    field_generators_[i].reset(MakeGenerator(descriptor->field(i)));
+    FieldGenerator* generator = MakeGenerator(descriptor->field(i),
+        messageBitIndex, builderBitIndex);
+    field_generators_[i].reset(generator);
+    messageBitIndex += generator->GetNumBitsForMessage();
+    builderBitIndex += generator->GetNumBitsForBuilder();
   }
   for (int i = 0; i < descriptor->extension_count(); i++) {
-    extension_generators_[i].reset(MakeGenerator(descriptor->extension(i)));
+    FieldGenerator* generator = MakeGenerator(descriptor->extension(i),
+        messageBitIndex, builderBitIndex);
+    extension_generators_[i].reset(generator);
+    messageBitIndex += generator->GetNumBitsForMessage();
+    builderBitIndex += generator->GetNumBitsForBuilder();
   }
 }
 
-FieldGenerator* FieldGeneratorMap::MakeGenerator(const FieldDescriptor* field) {
+FieldGenerator* FieldGeneratorMap::MakeGenerator(
+    const FieldDescriptor* field, int messageBitIndex, int builderBitIndex) {
   if (field->is_repeated()) {
     switch (GetJavaType(field)) {
       case JAVATYPE_MESSAGE:
-        return new RepeatedMessageFieldGenerator(field);
+        return new RepeatedMessageFieldGenerator(
+            field, messageBitIndex, builderBitIndex);
       case JAVATYPE_ENUM:
-        return new RepeatedEnumFieldGenerator(field);
+        return new RepeatedEnumFieldGenerator(
+            field, messageBitIndex, builderBitIndex);
+      case JAVATYPE_STRING:
+        return new RepeatedStringFieldGenerator(
+            field, messageBitIndex, builderBitIndex);
       default:
-        return new RepeatedPrimitiveFieldGenerator(field);
+        return new RepeatedPrimitiveFieldGenerator(
+            field, messageBitIndex, builderBitIndex);
     }
   } else {
     switch (GetJavaType(field)) {
       case JAVATYPE_MESSAGE:
-        return new MessageFieldGenerator(field);
+        return new MessageFieldGenerator(
+            field, messageBitIndex, builderBitIndex);
       case JAVATYPE_ENUM:
-        return new EnumFieldGenerator(field);
+        return new EnumFieldGenerator(
+            field, messageBitIndex, builderBitIndex);
+      case JAVATYPE_STRING:
+        return new StringFieldGenerator(
+            field, messageBitIndex, builderBitIndex);
       default:
-        return new PrimitiveFieldGenerator(field);
+        return new PrimitiveFieldGenerator(
+            field, messageBitIndex, builderBitIndex);
     }
   }
 }
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_field.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_field.h
similarity index 86%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_field.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_field.h
index f5bef7ab..4dd0efd6 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_field.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_field.h
@@ -55,15 +55,25 @@ class FieldGenerator {
   FieldGenerator() {}
   virtual ~FieldGenerator();
 
+  virtual int GetNumBitsForMessage() const = 0;
+  virtual int GetNumBitsForBuilder() const = 0;
+  virtual void GenerateInterfaceMembers(io::Printer* printer) const = 0;
   virtual void GenerateMembers(io::Printer* printer) const = 0;
   virtual void GenerateBuilderMembers(io::Printer* printer) const = 0;
   virtual void GenerateInitializationCode(io::Printer* printer) const = 0;
+  virtual void GenerateBuilderClearCode(io::Printer* printer) const = 0;
   virtual void GenerateMergingCode(io::Printer* printer) const = 0;
   virtual void GenerateBuildingCode(io::Printer* printer) const = 0;
   virtual void GenerateParsingCode(io::Printer* printer) const = 0;
   virtual void GenerateParsingCodeFromPacked(io::Printer* printer) const;
+  virtual void GenerateParsingDoneCode(io::Printer* printer) const = 0;
   virtual void GenerateSerializationCode(io::Printer* printer) const = 0;
   virtual void GenerateSerializedSizeCode(io::Printer* printer) const = 0;
+  virtual void GenerateFieldBuilderInitializationCode(io::Printer* printer)
+      const = 0;
+
+  virtual void GenerateEqualsCode(io::Printer* printer) const = 0;
+  virtual void GenerateHashCode(io::Printer* printer) const = 0;
 
   virtual string GetBoxedType() const = 0;
 
@@ -85,7 +95,8 @@ class FieldGeneratorMap {
   scoped_array<scoped_ptr<FieldGenerator> > field_generators_;
   scoped_array<scoped_ptr<FieldGenerator> > extension_generators_;
 
-  static FieldGenerator* MakeGenerator(const FieldDescriptor* field);
+  static FieldGenerator* MakeGenerator(const FieldDescriptor* field,
+      int messageBitIndex, int builderBitIndex);
 
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FieldGeneratorMap);
 };
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_file.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_file.cc
similarity index 69%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_file.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_file.cc
index 7ea127c0..f43e5500 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_file.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_file.cc
@@ -42,6 +42,7 @@
 #include <google/protobuf/io/printer.h>
 #include <google/protobuf/io/zero_copy_stream.h>
 #include <google/protobuf/descriptor.pb.h>
+#include <google/protobuf/dynamic_message.h>
 #include <google/protobuf/stubs/strutil.h>
 
 namespace google {
@@ -51,18 +52,24 @@ namespace java {
 
 namespace {
 
-// Recursively searches the given message to see if it contains any extensions.
-bool UsesExtensions(const Message& message) {
+
+// Recursively searches the given message to collect extensions.
+// Returns true if all the extensions can be recognized. The extensions will be
+// appended in to the extensions parameter.
+// Returns false when there are unknown fields, in which case the data in the
+// extensions output parameter is not reliable and should be discarded.
+bool CollectExtensions(const Message& message,
+                       vector<const FieldDescriptor*>* extensions) {
   const Reflection* reflection = message.GetReflection();
 
-  // We conservatively assume that unknown fields are extensions.
-  if (reflection->GetUnknownFields(message).field_count() > 0) return true;
+  // There are unknown fields that could be extensions, thus this call fails.
+  if (reflection->GetUnknownFields(message).field_count() > 0) return false;
 
   vector<const FieldDescriptor*> fields;
   reflection->ListFields(message, &fields);
 
   for (int i = 0; i < fields.size(); i++) {
-    if (fields[i]->is_extension()) return true;
+    if (fields[i]->is_extension()) extensions->push_back(fields[i]);
 
     if (GetJavaType(fields[i]) == JAVATYPE_MESSAGE) {
       if (fields[i]->is_repeated()) {
@@ -70,16 +77,56 @@ bool UsesExtensions(const Message& message) {
         for (int j = 0; j < size; j++) {
           const Message& sub_message =
             reflection->GetRepeatedMessage(message, fields[i], j);
-          if (UsesExtensions(sub_message)) return true;
+          if (!CollectExtensions(sub_message, extensions)) return false;
         }
       } else {
         const Message& sub_message = reflection->GetMessage(message, fields[i]);
-        if (UsesExtensions(sub_message)) return true;
+        if (!CollectExtensions(sub_message, extensions)) return false;
       }
     }
   }
 
-  return false;
+  return true;
+}
+
+// Finds all extensions in the given message and its sub-messages.  If the
+// message contains unknown fields (which could be extensions), then those
+// extensions are defined in alternate_pool.
+// The message will be converted to a DynamicMessage backed by alternate_pool
+// in order to handle this case.
+void CollectExtensions(const FileDescriptorProto& file_proto,
+                       const DescriptorPool& alternate_pool,
+                       vector<const FieldDescriptor*>* extensions,
+                       const string& file_data) {
+  if (!CollectExtensions(file_proto, extensions)) {
+    // There are unknown fields in the file_proto, which are probably
+    // extensions. We need to parse the data into a dynamic message based on the
+    // builder-pool to find out all extensions.
+    const Descriptor* file_proto_desc = alternate_pool.FindMessageTypeByName(
+        file_proto.GetDescriptor()->full_name());
+    GOOGLE_CHECK(file_proto_desc)
+        << "Find unknown fields in FileDescriptorProto when building "
+        << file_proto.name()
+        << ". It's likely that those fields are custom options, however, "
+           "descriptor.proto is not in the transitive dependencies. "
+           "This normally should not happen. Please report a bug.";
+    DynamicMessageFactory factory;
+    scoped_ptr<Message> dynamic_file_proto(
+        factory.GetPrototype(file_proto_desc)->New());
+    GOOGLE_CHECK(dynamic_file_proto.get() != NULL);
+    GOOGLE_CHECK(dynamic_file_proto->ParseFromString(file_data));
+
+    // Collect the extensions again from the dynamic message. There should be no
+    // more unknown fields this time, i.e. all the custom options should be
+    // parsed as extensions now.
+    extensions->clear();
+    GOOGLE_CHECK(CollectExtensions(*dynamic_file_proto, extensions))
+        << "Find unknown fields in FileDescriptorProto when building "
+        << file_proto.name()
+        << ". It's likely that those fields are custom options, however, "
+           "those options cannot be recognized in the builder pool. "
+           "This normally should not happen. Please report a bug.";
+  }
 }
 
 
@@ -88,7 +135,8 @@ bool UsesExtensions(const Message& message) {
 FileGenerator::FileGenerator(const FileDescriptor* file)
   : file_(file),
     java_package_(FileJavaPackage(file)),
-    classname_(FileClassName(file)) {}
+    classname_(FileClassName(file)) {
+}
 
 FileGenerator::~FileGenerator() {}
 
@@ -179,7 +227,9 @@ void FileGenerator::Generate(io::Printer* printer) {
       EnumGenerator(file_->enum_type(i)).Generate(printer);
     }
     for (int i = 0; i < file_->message_type_count(); i++) {
-      MessageGenerator(file_->message_type(i)).Generate(printer);
+      MessageGenerator messageGenerator(file_->message_type(i));
+      messageGenerator.GenerateInterface(printer);
+      messageGenerator.Generate(printer);
     }
     if (HasGenericServices(file_)) {
       for (int i = 0; i < file_->service_count(); i++) {
@@ -215,24 +265,11 @@ void FileGenerator::Generate(io::Printer* printer) {
         .GenerateStaticVariableInitializers(printer);
     }
 
-    for (int i = 0; i < file_->extension_count(); i++) {
-      // TODO(kenton):  Reuse ExtensionGenerator objects?
-      ExtensionGenerator(file_->extension(i))
-        .GenerateInitializationCode(printer);
-    }
-
     printer->Outdent();
     printer->Print(
       "}\n");
   }
 
-  // Dummy function we can use to force the static initialization block to
-  // run.  Needed by inner classes.  Cannot be private due to
-  // java_multiple_files option.
-  printer->Print(
-    "\n"
-    "public static void internalForceInit() {}\n");
-
   printer->Print(
     "\n"
     "// @@protoc_insertion_point(outer_class_scope)\n");
@@ -310,24 +347,38 @@ void FileGenerator::GenerateEmbeddedDescriptor(io::Printer* printer) {
     MessageGenerator(file_->message_type(i))
       .GenerateStaticVariableInitializers(printer);
   }
-
   for (int i = 0; i < file_->extension_count(); i++) {
     // TODO(kenton):  Reuse ExtensionGenerator objects?
     ExtensionGenerator(file_->extension(i))
-      .GenerateInitializationCode(printer);
+        .GenerateNonNestedInitializationCode(printer);
   }
 
-  if (UsesExtensions(file_proto)) {
-    // Must construct an ExtensionRegistry containing all possible extensions
+  // Proto compiler builds a DescriptorPool, which holds all the descriptors to
+  // generate, when processing the ".proto" files. We call this DescriptorPool
+  // the parsed pool (a.k.a. file_->pool()).
+  //
+  // Note that when users try to extend the (.*)DescriptorProto in their
+  // ".proto" files, it does not affect the pre-built FileDescriptorProto class
+  // in proto compiler. When we put the descriptor data in the file_proto, those
+  // extensions become unknown fields.
+  //
+  // Now we need to find out all the extension value to the (.*)DescriptorProto
+  // in the file_proto message, and prepare an ExtensionRegistry to return.
+  //
+  // To find those extensions, we need to parse the data into a dynamic message
+  // of the FileDescriptor based on the builder-pool, then we can use
+  // reflections to find all extension fields
+  vector<const FieldDescriptor*> extensions;
+  CollectExtensions(file_proto, *file_->pool(), &extensions, file_data);
+
+  if (extensions.size() > 0) {
+    // Must construct an ExtensionRegistry containing all existing extensions
     // and return it.
     printer->Print(
       "com.google.protobuf.ExtensionRegistry registry =\n"
-      "  com.google.protobuf.ExtensionRegistry.newInstance();\n"
-      "registerAllExtensions(registry);\n");
-    for (int i = 0; i < file_->dependency_count(); i++) {
-      printer->Print(
-        "$dependency$.registerAllExtensions(registry);\n",
-        "dependency", ClassName(file_->dependency(i)));
+      "  com.google.protobuf.ExtensionRegistry.newInstance();\n");
+    for (int i = 0; i < extensions.size(); i++) {
+      ExtensionGenerator(extensions[i]).GenerateRegistrationCode(printer);
     }
     printer->Print(
       "return registry;\n");
@@ -372,18 +423,21 @@ template<typename GeneratorClass, typename DescriptorClass>
 static void GenerateSibling(const string& package_dir,
                             const string& java_package,
                             const DescriptorClass* descriptor,
-                            OutputDirectory* output_directory,
-                            vector<string>* file_list) {
-  string filename = package_dir + descriptor->name() + ".java";
+                            GeneratorContext* context,
+                            vector<string>* file_list,
+                            const string& name_suffix,
+                            void (GeneratorClass::*pfn)(io::Printer* printer)) {
+  string filename = package_dir + descriptor->name() + name_suffix + ".java";
   file_list->push_back(filename);
 
-  scoped_ptr<io::ZeroCopyOutputStream> output(
-    output_directory->Open(filename));
+  scoped_ptr<io::ZeroCopyOutputStream> output(context->Open(filename));
   io::Printer printer(output.get(), '$');
 
   printer.Print(
     "// Generated by the protocol buffer compiler.  DO NOT EDIT!\n"
-    "\n");
+    "// source: $filename$\n"
+    "\n",
+    "filename", descriptor->file()->name());
   if (!java_package.empty()) {
     printer.Print(
       "package $package$;\n"
@@ -391,28 +445,36 @@ static void GenerateSibling(const string& package_dir,
       "package", java_package);
   }
 
-  GeneratorClass(descriptor).Generate(&printer);
+  GeneratorClass generator(descriptor);
+  (generator.*pfn)(&printer);
 }
 
 void FileGenerator::GenerateSiblings(const string& package_dir,
-                                     OutputDirectory* output_directory,
+                                     GeneratorContext* context,
                                      vector<string>* file_list) {
   if (file_->options().java_multiple_files()) {
     for (int i = 0; i < file_->enum_type_count(); i++) {
       GenerateSibling<EnumGenerator>(package_dir, java_package_,
                                      file_->enum_type(i),
-                                     output_directory, file_list);
+                                     context, file_list, "",
+                                     &EnumGenerator::Generate);
     }
     for (int i = 0; i < file_->message_type_count(); i++) {
       GenerateSibling<MessageGenerator>(package_dir, java_package_,
                                         file_->message_type(i),
-                                        output_directory, file_list);
+                                        context, file_list, "OrBuilder",
+                                        &MessageGenerator::GenerateInterface);
+      GenerateSibling<MessageGenerator>(package_dir, java_package_,
+                                        file_->message_type(i),
+                                        context, file_list, "",
+                                        &MessageGenerator::Generate);
     }
     if (HasGenericServices(file_)) {
       for (int i = 0; i < file_->service_count(); i++) {
         GenerateSibling<ServiceGenerator>(package_dir, java_package_,
                                           file_->service(i),
-                                          output_directory, file_list);
+                                          context, file_list, "",
+                                          &ServiceGenerator::Generate);
       }
     }
   }
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_file.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_file.h
similarity index 96%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_file.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_file.h
index 9e35d330..59911462 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_file.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_file.h
@@ -46,7 +46,7 @@ namespace protobuf {
     class Printer;             // printer.h
   }
   namespace compiler {
-    class OutputDirectory;     // code_generator.h
+    class GeneratorContext;     // code_generator.h
   }
 }
 
@@ -70,12 +70,13 @@ class FileGenerator {
   // files other than the outer file (i.e. one for each message, enum, and
   // service type).
   void GenerateSiblings(const string& package_dir,
-                        OutputDirectory* output_directory,
+                        GeneratorContext* generator_context,
                         vector<string>* file_list);
 
   const string& java_package() { return java_package_; }
   const string& classname()    { return classname_;    }
 
+
  private:
   // Returns whether the dependency should be included in the output file.
   // Always returns true for opensource, but used internally at Google to help
@@ -86,6 +87,7 @@ class FileGenerator {
   string java_package_;
   string classname_;
 
+
   void GenerateEmbeddedDescriptor(io::Printer* printer);
 
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FileGenerator);
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_generator.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_generator.cc
similarity index 86%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_generator.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_generator.cc
index 745b55ae..e6c79abc 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_generator.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_generator.cc
@@ -51,11 +51,8 @@ JavaGenerator::~JavaGenerator() {}
 
 bool JavaGenerator::Generate(const FileDescriptor* file,
                              const string& parameter,
-                             OutputDirectory* output_directory,
+                             GeneratorContext* context,
                              string* error) const {
-  vector<pair<string, string> > options;
-  ParseGeneratorParameter(parameter, &options);
-
   // -----------------------------------------------------------------
   // parse generator options
 
@@ -63,6 +60,10 @@ bool JavaGenerator::Generate(const FileDescriptor* file,
   // per line.
   string output_list_file;
 
+
+  vector<pair<string, string> > options;
+  ParseGeneratorParameter(parameter, &options);
+
   for (int i = 0; i < options.size(); i++) {
     if (options[i].first == "output_list_file") {
       output_list_file = options[i].second;
@@ -72,18 +73,23 @@ bool JavaGenerator::Generate(const FileDescriptor* file,
     }
   }
 
-
   // -----------------------------------------------------------------
 
 
+  if (file->options().optimize_for() == FileOptions::LITE_RUNTIME &&
+      file->options().java_generate_equals_and_hash()) {
+    *error = "The \"java_generate_equals_and_hash\" option is incompatible "
+             "with \"optimize_for = LITE_RUNTIME\".  You must optimize for "
+             "SPEED or CODE_SIZE if you want to use this option.";
+    return false;
+  }
+
   FileGenerator file_generator(file);
   if (!file_generator.Validate(error)) {
     return false;
   }
 
-  string package_dir =
-    StringReplace(file_generator.java_package(), ".", "/", true);
-  if (!package_dir.empty()) package_dir += "/";
+  string package_dir = JavaPackageToDir(file_generator.java_package());
 
   vector<string> all_files;
 
@@ -94,19 +100,19 @@ bool JavaGenerator::Generate(const FileDescriptor* file,
 
   // Generate main java file.
   scoped_ptr<io::ZeroCopyOutputStream> output(
-    output_directory->Open(java_filename));
+    context->Open(java_filename));
   io::Printer printer(output.get(), '$');
   file_generator.Generate(&printer);
 
   // Generate sibling files.
-  file_generator.GenerateSiblings(package_dir, output_directory, &all_files);
+  file_generator.GenerateSiblings(package_dir, context, &all_files);
 
   // Generate output list if requested.
   if (!output_list_file.empty()) {
     // Generate output list.  This is just a simple text file placed in a
     // deterministic location which lists the .java files being generated.
     scoped_ptr<io::ZeroCopyOutputStream> srclist_raw_output(
-      output_directory->Open(output_list_file));
+      context->Open(output_list_file));
     io::Printer srclist_printer(srclist_raw_output.get(), '$');
     for (int i = 0; i < all_files.size(); i++) {
       srclist_printer.Print("$filename$\n", "filename", all_files[i]);
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_generator.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_generator.h
similarity index 98%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_generator.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_generator.h
index c91c9053..888b8d85 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_generator.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_generator.h
@@ -57,7 +57,7 @@ class LIBPROTOC_EXPORT JavaGenerator : public CodeGenerator {
   // implements CodeGenerator ----------------------------------------
   bool Generate(const FileDescriptor* file,
                 const string& parameter,
-                OutputDirectory* output_directory,
+                GeneratorContext* context,
                 string* error) const;
 
  private:
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_helpers.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_helpers.cc
similarity index 72%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_helpers.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_helpers.cc
index 7ed0c3cc..cf241b8a 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_helpers.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_helpers.cc
@@ -134,16 +134,27 @@ string FileClassName(const FileDescriptor* file) {
 }
 
 string FileJavaPackage(const FileDescriptor* file) {
+  string result;
+
   if (file->options().has_java_package()) {
-    return file->options().java_package();
+    result = file->options().java_package();
   } else {
-    string result = kDefaultPackage;
+    result = kDefaultPackage;
     if (!file->package().empty()) {
       if (!result.empty()) result += '.';
       result += file->package();
     }
-    return result;
   }
+
+
+  return result;
+}
+
+string JavaPackageToDir(string package_name) {
+  string package_dir =
+    StringReplace(package_name, ".", "/", true);
+  if (!package_dir.empty()) package_dir += "/";
+  return package_dir;
 }
 
 string ToJavaName(const string& full_name, const FileDescriptor* file) {
@@ -166,6 +177,18 @@ string ToJavaName(const string& full_name, const FileDescriptor* file) {
   return result;
 }
 
+string ClassName(const Descriptor* descriptor) {
+  return ToJavaName(descriptor->full_name(), descriptor->file());
+}
+
+string ClassName(const EnumDescriptor* descriptor) {
+  return ToJavaName(descriptor->full_name(), descriptor->file());
+}
+
+string ClassName(const ServiceDescriptor* descriptor) {
+  return ToJavaName(descriptor->full_name(), descriptor->file());
+}
+
 string ClassName(const FileDescriptor* descriptor) {
   string result = FileJavaPackage(descriptor);
   if (!result.empty()) result += '.';
@@ -315,14 +338,14 @@ string DefaultValue(const FieldDescriptor* field) {
         } else {
           // See comments in Internal.java for gory details.
           return strings::Substitute(
-            "com.google.protobuf.Internal.stringDefaultValue(\"$0\")",
-            CEscape(field->default_value_string()));
+              "com.google.protobuf.Internal.stringDefaultValue(\"$0\")",
+              CEscape(field->default_value_string()));
         }
       }
 
     case FieldDescriptor::CPPTYPE_ENUM:
       return ClassName(field->enum_type()) + "." +
-             field->default_value_enum()->name();
+          field->default_value_enum()->name();
 
     case FieldDescriptor::CPPTYPE_MESSAGE:
       return ClassName(field->message_type()) + ".getDefaultInstance()";
@@ -335,6 +358,142 @@ string DefaultValue(const FieldDescriptor* field) {
   return "";
 }
 
+bool IsDefaultValueJavaDefault(const FieldDescriptor* field) {
+  // Switch on CppType since we need to know which default_value_* method
+  // of FieldDescriptor to call.
+  switch (field->cpp_type()) {
+    case FieldDescriptor::CPPTYPE_INT32:
+      return field->default_value_int32() == 0;
+    case FieldDescriptor::CPPTYPE_UINT32:
+      return field->default_value_uint32() == 0;
+    case FieldDescriptor::CPPTYPE_INT64:
+      return field->default_value_int64() == 0L;
+    case FieldDescriptor::CPPTYPE_UINT64:
+      return field->default_value_uint64() == 0L;
+    case FieldDescriptor::CPPTYPE_DOUBLE:
+      return field->default_value_double() == 0.0;
+    case FieldDescriptor::CPPTYPE_FLOAT:
+      return field->default_value_float() == 0.0;
+    case FieldDescriptor::CPPTYPE_BOOL:
+      return field->default_value_bool() == false;
+
+    case FieldDescriptor::CPPTYPE_STRING:
+    case FieldDescriptor::CPPTYPE_ENUM:
+    case FieldDescriptor::CPPTYPE_MESSAGE:
+      return false;
+
+    // No default because we want the compiler to complain if any new
+    // types are added.
+  }
+
+  GOOGLE_LOG(FATAL) << "Can't get here.";
+  return false;
+}
+
+const char* bit_masks[] = {
+  "0x00000001",
+  "0x00000002",
+  "0x00000004",
+  "0x00000008",
+  "0x00000010",
+  "0x00000020",
+  "0x00000040",
+  "0x00000080",
+
+  "0x00000100",
+  "0x00000200",
+  "0x00000400",
+  "0x00000800",
+  "0x00001000",
+  "0x00002000",
+  "0x00004000",
+  "0x00008000",
+
+  "0x00010000",
+  "0x00020000",
+  "0x00040000",
+  "0x00080000",
+  "0x00100000",
+  "0x00200000",
+  "0x00400000",
+  "0x00800000",
+
+  "0x01000000",
+  "0x02000000",
+  "0x04000000",
+  "0x08000000",
+  "0x10000000",
+  "0x20000000",
+  "0x40000000",
+  "0x80000000",
+};
+
+string GetBitFieldName(int index) {
+  string varName = "bitField";
+  varName += SimpleItoa(index);
+  varName += "_";
+  return varName;
+}
+
+string GetBitFieldNameForBit(int bitIndex) {
+  return GetBitFieldName(bitIndex / 32);
+}
+
+namespace {
+
+string GenerateGetBitInternal(const string& prefix, int bitIndex) {
+  string varName = prefix + GetBitFieldNameForBit(bitIndex);
+  int bitInVarIndex = bitIndex % 32;
+
+  string mask = bit_masks[bitInVarIndex];
+  string result = "((" + varName + " & " + mask + ") == " + mask + ")";
+  return result;
+}
+
+string GenerateSetBitInternal(const string& prefix, int bitIndex) {
+  string varName = prefix + GetBitFieldNameForBit(bitIndex);
+  int bitInVarIndex = bitIndex % 32;
+
+  string mask = bit_masks[bitInVarIndex];
+  string result = varName + " |= " + mask;
+  return result;
+}
+
+}  // namespace
+
+string GenerateGetBit(int bitIndex) {
+  return GenerateGetBitInternal("", bitIndex);
+}
+
+string GenerateSetBit(int bitIndex) {
+  return GenerateSetBitInternal("", bitIndex);
+}
+
+string GenerateClearBit(int bitIndex) {
+  string varName = GetBitFieldNameForBit(bitIndex);
+  int bitInVarIndex = bitIndex % 32;
+
+  string mask = bit_masks[bitInVarIndex];
+  string result = varName + " = (" + varName + " & ~" + mask + ")";
+  return result;
+}
+
+string GenerateGetBitFromLocal(int bitIndex) {
+  return GenerateGetBitInternal("from_", bitIndex);
+}
+
+string GenerateSetBitToLocal(int bitIndex) {
+  return GenerateSetBitInternal("to_", bitIndex);
+}
+
+string GenerateGetBitMutableLocal(int bitIndex) {
+  return GenerateGetBitInternal("mutable_", bitIndex);
+}
+
+string GenerateSetBitMutableLocal(int bitIndex) {
+  return GenerateSetBitInternal("mutable_", bitIndex);
+}
+
 }  // namespace java
 }  // namespace compiler
 }  // namespace protobuf
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_helpers.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_helpers.h
similarity index 68%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_helpers.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_helpers.h
index 3c8974c9..3937f069 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_helpers.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_helpers.h
@@ -68,6 +68,9 @@ string FileClassName(const FileDescriptor* file);
 // Returns the file's Java package name.
 string FileJavaPackage(const FileDescriptor* file);
 
+// Returns output directory for the given package name.
+string JavaPackageToDir(string package_name);
+
 // Converts the given fully-qualified name in the proto namespace to its
 // fully-qualified name in the Java namespace, given that it is in the given
 // file.
@@ -75,19 +78,14 @@ string ToJavaName(const string& full_name, const FileDescriptor* file);
 
 // These return the fully-qualified class name corresponding to the given
 // descriptor.
-inline string ClassName(const Descriptor* descriptor) {
-  return ToJavaName(descriptor->full_name(), descriptor->file());
-}
-inline string ClassName(const EnumDescriptor* descriptor) {
-  return ToJavaName(descriptor->full_name(), descriptor->file());
-}
-inline string ClassName(const ServiceDescriptor* descriptor) {
-  return ToJavaName(descriptor->full_name(), descriptor->file());
-}
+string ClassName(const Descriptor* descriptor);
+string ClassName(const EnumDescriptor* descriptor);
+string ClassName(const ServiceDescriptor* descriptor);
+string ClassName(const FileDescriptor* descriptor);
+
 inline string ExtensionIdentifierName(const FieldDescriptor* descriptor) {
   return ToJavaName(descriptor->full_name(), descriptor->file());
 }
-string ClassName(const FileDescriptor* descriptor);
 
 // Get the unqualified name that should be used for a field's field
 // number constant.
@@ -118,6 +116,7 @@ JavaType GetJavaType(const FieldDescriptor* field);
 const char* BoxedPrimitiveTypeName(JavaType type);
 
 string DefaultValue(const FieldDescriptor* field);
+bool IsDefaultValueJavaDefault(const FieldDescriptor* field);
 
 // Does this message class keep track of unknown fields?
 inline bool HasUnknownFields(const Descriptor* descriptor) {
@@ -132,6 +131,11 @@ inline bool HasGeneratedMethods(const Descriptor* descriptor) {
            FileOptions::CODE_SIZE;
 }
 
+// Does this message have specialized equals() and hashCode() methods?
+inline bool HasEqualsAndHashCode(const Descriptor* descriptor) {
+  return descriptor->file()->options().java_generate_equals_and_hash();
+}
+
 // Does this message class have descriptor and reflection methods?
 inline bool HasDescriptorMethods(const Descriptor* descriptor) {
   return descriptor->file()->options().optimize_for() !=
@@ -146,6 +150,12 @@ inline bool HasDescriptorMethods(const FileDescriptor* descriptor) {
            FileOptions::LITE_RUNTIME;
 }
 
+inline bool HasNestedBuilders(const Descriptor* descriptor) {
+  // The proto-lite version doesn't support nested builders.
+  return descriptor->file()->options().optimize_for() !=
+           FileOptions::LITE_RUNTIME;
+}
+
 // Should we generate generic services for this file?
 inline bool HasGenericServices(const FileDescriptor *file) {
   return file->service_count() > 0 &&
@@ -153,6 +163,55 @@ inline bool HasGenericServices(const FileDescriptor *file) {
          file->options().java_generic_services();
 }
 
+
+// Methods for shared bitfields.
+
+// Gets the name of the shared bitfield for the given index.
+string GetBitFieldName(int index);
+
+// Gets the name of the shared bitfield for the given bit index.
+// Effectively, GetBitFieldName(bitIndex / 32)
+string GetBitFieldNameForBit(int bitIndex);
+
+// Generates the java code for the expression that returns the boolean value
+// of the bit of the shared bitfields for the given bit index.
+// Example: "((bitField1_ & 0x04) == 0x04)"
+string GenerateGetBit(int bitIndex);
+
+// Generates the java code for the expression that sets the bit of the shared
+// bitfields for the given bit index.
+// Example: "bitField1_ = (bitField1_ | 0x04)"
+string GenerateSetBit(int bitIndex);
+
+// Generates the java code for the expression that clears the bit of the shared
+// bitfields for the given bit index.
+// Example: "bitField1_ = (bitField1_ & ~0x04)"
+string GenerateClearBit(int bitIndex);
+
+// Does the same as GenerateGetBit but operates on the bit field on a local
+// variable. This is used by the builder to copy the value in the builder to
+// the message.
+// Example: "((from_bitField1_ & 0x04) == 0x04)"
+string GenerateGetBitFromLocal(int bitIndex);
+
+// Does the same as GenerateSetBit but operates on the bit field on a local
+// variable. This is used by the builder to copy the value in the builder to
+// the message.
+// Example: "to_bitField1_ = (to_bitField1_ | 0x04)"
+string GenerateSetBitToLocal(int bitIndex);
+
+// Does the same as GenerateGetBit but operates on the bit field on a local
+// variable. This is used by the parsing constructor to record if a repeated
+// field is mutable.
+// Example: "((mutable_bitField1_ & 0x04) == 0x04)"
+string GenerateGetBitMutableLocal(int bitIndex);
+
+// Does the same as GenerateSetBit but operates on the bit field on a local
+// variable. This is used by the parsing constructor to record if a repeated
+// field is mutable.
+// Example: "mutable_bitField1_ = (mutable_bitField1_ | 0x04)"
+string GenerateSetBitMutableLocal(int bitIndex);
+
 }  // namespace java
 }  // namespace compiler
 }  // namespace protobuf
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_message.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_message.cc
similarity index 57%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_message.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_message.cc
index a3260571..9322e242 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_message.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_message.cc
@@ -32,17 +32,23 @@
 //  Based on original Protocol Buffers design by
 //  Sanjay Ghemawat, Jeff Dean, and others.
 
+#include <google/protobuf/compiler/java/java_message.h>
+
 #include <algorithm>
 #include <google/protobuf/stubs/hash.h>
-#include <google/protobuf/compiler/java/java_message.h>
+#include <map>
+#include <vector>
+
+#include <google/protobuf/compiler/java/java_doc_comment.h>
 #include <google/protobuf/compiler/java/java_enum.h>
 #include <google/protobuf/compiler/java/java_extension.h>
 #include <google/protobuf/compiler/java/java_helpers.h>
-#include <google/protobuf/stubs/strutil.h>
-#include <google/protobuf/io/printer.h>
 #include <google/protobuf/io/coded_stream.h>
-#include <google/protobuf/wire_format.h>
+#include <google/protobuf/io/printer.h>
 #include <google/protobuf/descriptor.pb.h>
+#include <google/protobuf/wire_format.h>
+#include <google/protobuf/stubs/strutil.h>
+#include <google/protobuf/stubs/substitute.h>
 
 namespace google {
 namespace protobuf {
@@ -233,10 +239,8 @@ void MessageGenerator::GenerateStaticVariableInitializers(
         "field_name",
           UnderscoresToCapitalizedCamelCase(descriptor_->field(i)));
     }
-    printer->Print("},\n"
-      "    $classname$.class,\n"
-      "    $classname$.Builder.class);\n",
-      "classname", ClassName(descriptor_));
+    printer->Print(
+        "});\n");
   }
 
   // Generate static member initializers for all nested types.
@@ -245,59 +249,122 @@ void MessageGenerator::GenerateStaticVariableInitializers(
     MessageGenerator(descriptor_->nested_type(i))
       .GenerateStaticVariableInitializers(printer);
   }
-
-  for (int i = 0; i < descriptor_->extension_count(); i++) {
-    // TODO(kenton):  Reuse ExtensionGenerator objects?
-    ExtensionGenerator(descriptor_->extension(i))
-      .GenerateInitializationCode(printer);
-  }
 }
 
+// ===================================================================
+
+void MessageGenerator::GenerateInterface(io::Printer* printer) {
+  if (descriptor_->extension_range_count() > 0) {
+    if (HasDescriptorMethods(descriptor_)) {
+      printer->Print(
+        "public interface $classname$OrBuilder extends\n"
+        "    com.google.protobuf.GeneratedMessage.\n"
+        "        ExtendableMessageOrBuilder<$classname$> {\n",
+        "classname", descriptor_->name());
+    } else {
+      printer->Print(
+        "public interface $classname$OrBuilder extends \n"
+        "     com.google.protobuf.GeneratedMessageLite.\n"
+        "          ExtendableMessageOrBuilder<$classname$> {\n",
+        "classname", descriptor_->name());
+    }
+  } else {
+    if (HasDescriptorMethods(descriptor_)) {
+      printer->Print(
+        "public interface $classname$OrBuilder\n"
+        "    extends com.google.protobuf.MessageOrBuilder {\n",
+        "classname", descriptor_->name());
+    } else {
+      printer->Print(
+        "public interface $classname$OrBuilder\n"
+        "    extends com.google.protobuf.MessageLiteOrBuilder {\n",
+        "classname", descriptor_->name());
+    }
+  }
+
+  printer->Indent();
+    for (int i = 0; i < descriptor_->field_count(); i++) {
+      printer->Print("\n");
+      PrintFieldComment(printer, descriptor_->field(i));
+      field_generators_.get(descriptor_->field(i))
+                       .GenerateInterfaceMembers(printer);
+    }
+  printer->Outdent();
+
+  printer->Print("}\n");
+}
+
+// ===================================================================
+
 void MessageGenerator::Generate(io::Printer* printer) {
   bool is_own_file =
     descriptor_->containing_type() == NULL &&
     descriptor_->file()->options().java_multiple_files();
 
+  WriteMessageDocComment(printer, descriptor_);
+
+  // The builder_type stores the super type name of the nested Builder class.
+  string builder_type;
   if (descriptor_->extension_range_count() > 0) {
     if (HasDescriptorMethods(descriptor_)) {
       printer->Print(
         "public $static$ final class $classname$ extends\n"
         "    com.google.protobuf.GeneratedMessage.ExtendableMessage<\n"
-        "      $classname$> {\n",
+        "      $classname$> implements $classname$OrBuilder {\n",
         "static", is_own_file ? "" : "static",
         "classname", descriptor_->name());
+      builder_type = strings::Substitute(
+          "com.google.protobuf.GeneratedMessage.ExtendableBuilder<$0, ?>",
+          ClassName(descriptor_));
     } else {
       printer->Print(
         "public $static$ final class $classname$ extends\n"
         "    com.google.protobuf.GeneratedMessageLite.ExtendableMessage<\n"
-        "      $classname$> {\n",
+        "      $classname$> implements $classname$OrBuilder {\n",
         "static", is_own_file ? "" : "static",
         "classname", descriptor_->name());
+      builder_type = strings::Substitute(
+          "com.google.protobuf.GeneratedMessageLite.ExtendableBuilder<$0, ?>",
+          ClassName(descriptor_));
     }
   } else {
     if (HasDescriptorMethods(descriptor_)) {
       printer->Print(
         "public $static$ final class $classname$ extends\n"
-        "    com.google.protobuf.GeneratedMessage {\n",
+        "    com.google.protobuf.GeneratedMessage\n"
+        "    implements $classname$OrBuilder {\n",
         "static", is_own_file ? "" : "static",
         "classname", descriptor_->name());
+      builder_type = "com.google.protobuf.GeneratedMessage.Builder<?>";
     } else {
       printer->Print(
         "public $static$ final class $classname$ extends\n"
-        "    com.google.protobuf.GeneratedMessageLite {\n",
+        "    com.google.protobuf.GeneratedMessageLite\n"
+        "    implements $classname$OrBuilder {\n",
         "static", is_own_file ? "" : "static",
         "classname", descriptor_->name());
+      builder_type = "com.google.protobuf.GeneratedMessageLite.Builder";
     }
   }
   printer->Indent();
+  // Using builder_type, instead of Builder, prevents the Builder class from
+  // being loaded into PermGen space when the default instance is created.
+  // This optimizes the PermGen space usage for clients that do not modify
+  // messages.
   printer->Print(
     "// Use $classname$.newBuilder() to construct.\n"
-    "private $classname$() {\n"
-    "  initFields();\n"
-    "}\n"
+    "private $classname$($buildertype$ builder) {\n"
+    "  super(builder);\n"
+    "$set_unknown_fields$\n"
+    "}\n",
+    "classname", descriptor_->name(),
+    "buildertype", builder_type,
+    "set_unknown_fields", HasUnknownFields(descriptor_)
+        ? "  this.unknownFields = builder.getUnknownFields();" : "");
+  printer->Print(
     // Used when constructing the default instance, which cannot be initialized
     // immediately because it may cyclically refer to other default instances.
-    "private $classname$(boolean noInit) {}\n"
+    "private $classname$(boolean noInit) {$set_default_unknown_fields$}\n"
     "\n"
     "private static final $classname$ defaultInstance;\n"
     "public static $classname$ getDefaultInstance() {\n"
@@ -308,35 +375,50 @@ void MessageGenerator::Generate(io::Printer* printer) {
     "  return defaultInstance;\n"
     "}\n"
     "\n",
-    "classname", descriptor_->name());
+    "classname", descriptor_->name(),
+    "set_default_unknown_fields", HasUnknownFields(descriptor_)
+        ? " this.unknownFields ="
+          " com.google.protobuf.UnknownFieldSet.getDefaultInstance(); " : "");
 
-  if (HasDescriptorMethods(descriptor_)) {
+  if (HasUnknownFields(descriptor_)) {
     printer->Print(
-      "public static final com.google.protobuf.Descriptors.Descriptor\n"
-      "    getDescriptor() {\n"
-      "  return $fileclass$.internal_$identifier$_descriptor;\n"
-      "}\n"
-      "\n"
-      "protected com.google.protobuf.GeneratedMessage.FieldAccessorTable\n"
-      "    internalGetFieldAccessorTable() {\n"
-      "  return $fileclass$.internal_$identifier$_fieldAccessorTable;\n"
-      "}\n"
-      "\n",
-      "fileclass", ClassName(descriptor_->file()),
-      "identifier", UniqueFileScopeIdentifier(descriptor_));
+        "private final com.google.protobuf.UnknownFieldSet unknownFields;\n"
+        ""
+        "@java.lang.Override\n"
+        "public final com.google.protobuf.UnknownFieldSet\n"
+        "    getUnknownFields() {\n"
+        "  return this.unknownFields;\n"
+        "}\n");
   }
 
-  // Nested types and extensions
+  if (HasGeneratedMethods(descriptor_)) {
+    GenerateParsingConstructor(printer);
+  }
+
+  GenerateDescriptorMethods(printer);
+  GenerateParser(printer);
+
+  // Nested types
   for (int i = 0; i < descriptor_->enum_type_count(); i++) {
     EnumGenerator(descriptor_->enum_type(i)).Generate(printer);
   }
 
   for (int i = 0; i < descriptor_->nested_type_count(); i++) {
-    MessageGenerator(descriptor_->nested_type(i)).Generate(printer);
+    MessageGenerator messageGenerator(descriptor_->nested_type(i));
+    messageGenerator.GenerateInterface(printer);
+    messageGenerator.Generate(printer);
   }
 
-  for (int i = 0; i < descriptor_->extension_count(); i++) {
-    ExtensionGenerator(descriptor_->extension(i)).Generate(printer);
+  // Integers for bit fields.
+  int totalBits = 0;
+  for (int i = 0; i < descriptor_->field_count(); i++) {
+    totalBits += field_generators_.get(descriptor_->field(i))
+        .GetNumBitsForMessage();
+  }
+  int totalInts = (totalBits + 31) / 32;
+  for (int i = 0; i < totalInts; i++) {
+    printer->Print("private int $bit_field_name$;\n",
+      "bit_field_name", GetBitFieldName(i));
   }
 
   // Fields
@@ -361,35 +443,42 @@ void MessageGenerator::Generate(io::Printer* printer) {
   printer->Print("}\n");
 
   if (HasGeneratedMethods(descriptor_)) {
-    GenerateIsInitialized(printer);
+    GenerateIsInitialized(printer, MEMOIZE);
     GenerateMessageSerializationMethods(printer);
   }
 
+  if (HasEqualsAndHashCode(descriptor_)) {
+    GenerateEqualsAndHashCode(printer);
+  }
+
   GenerateParseFromMethods(printer);
   GenerateBuilder(printer);
 
-  // Force initialization of outer class.  Otherwise, nested extensions may
-  // not be initialized.  Also carefully initialize the default instance in
-  // such a way that it doesn't conflict with other initialization.
+  // Carefully initialize the default instance in such a way that it doesn't
+  // conflict with other initialization.
   printer->Print(
     "\n"
     "static {\n"
     "  defaultInstance = new $classname$(true);\n"
-    "  $file$.internalForceInit();\n"
     "  defaultInstance.initFields();\n"
-    "}\n",
-    "file", ClassName(descriptor_->file()),
-    "classname", descriptor_->name());
-
-  printer->Print(
+    "}\n"
     "\n"
     "// @@protoc_insertion_point(class_scope:$full_name$)\n",
+    "classname", descriptor_->name(),
     "full_name", descriptor_->full_name());
 
+  // Extensions must be declared after the defaultInstance is initialized
+  // because the defaultInstance is used by the extension to lazily retrieve
+  // the outer class's FileDescriptor.
+  for (int i = 0; i < descriptor_->extension_count(); i++) {
+    ExtensionGenerator(descriptor_->extension(i)).Generate(printer);
+  }
+
   printer->Outdent();
   printer->Print("}\n\n");
 }
 
+
 // ===================================================================
 
 void MessageGenerator::
@@ -420,15 +509,18 @@ GenerateMessageSerializationMethods(io::Printer* printer) {
   if (descriptor_->extension_range_count() > 0) {
     if (descriptor_->options().message_set_wire_format()) {
       printer->Print(
-        "com.google.protobuf.GeneratedMessage$lite$.ExtendableMessage\n"
-        "  .ExtensionWriter extensionWriter =\n"
+        "com.google.protobuf.GeneratedMessage$lite$\n"
+        "  .ExtendableMessage<$classname$>.ExtensionWriter extensionWriter =\n"
         "    newMessageSetExtensionWriter();\n",
-        "lite", HasDescriptorMethods(descriptor_) ? "" : "Lite");
+        "lite", HasDescriptorMethods(descriptor_) ? "" : "Lite",
+        "classname", ClassName(descriptor_));
     } else {
       printer->Print(
-        "com.google.protobuf.GeneratedMessage$lite$.ExtendableMessage\n"
-        "  .ExtensionWriter extensionWriter = newExtensionWriter();\n",
-        "lite", HasDescriptorMethods(descriptor_) ? "" : "Lite");
+        "com.google.protobuf.GeneratedMessage$lite$\n"
+        "  .ExtendableMessage<$classname$>.ExtensionWriter extensionWriter =\n"
+        "    newExtensionWriter();\n",
+        "lite", HasDescriptorMethods(descriptor_) ? "" : "Lite",
+        "classname", ClassName(descriptor_));
     }
   }
 
@@ -499,6 +591,15 @@ GenerateMessageSerializationMethods(io::Printer* printer) {
     "  return size;\n"
     "}\n"
     "\n");
+
+  printer->Print(
+    "private static final long serialVersionUID = 0L;\n"
+    "@java.lang.Override\n"
+    "protected java.lang.Object writeReplace()\n"
+    "    throws java.io.ObjectStreamException {\n"
+    "  return super.writeReplace();\n"
+    "}\n"
+    "\n");
 }
 
 void MessageGenerator::
@@ -510,68 +611,54 @@ GenerateParseFromMethods(io::Printer* printer) {
     "public static $classname$ parseFrom(\n"
     "    com.google.protobuf.ByteString data)\n"
     "    throws com.google.protobuf.InvalidProtocolBufferException {\n"
-    "  return newBuilder().mergeFrom(data).buildParsed();\n"
+    "  return PARSER.parseFrom(data);\n"
     "}\n"
     "public static $classname$ parseFrom(\n"
     "    com.google.protobuf.ByteString data,\n"
     "    com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n"
     "    throws com.google.protobuf.InvalidProtocolBufferException {\n"
-    "  return newBuilder().mergeFrom(data, extensionRegistry)\n"
-    "           .buildParsed();\n"
+    "  return PARSER.parseFrom(data, extensionRegistry);\n"
     "}\n"
     "public static $classname$ parseFrom(byte[] data)\n"
     "    throws com.google.protobuf.InvalidProtocolBufferException {\n"
-    "  return newBuilder().mergeFrom(data).buildParsed();\n"
+    "  return PARSER.parseFrom(data);\n"
     "}\n"
     "public static $classname$ parseFrom(\n"
     "    byte[] data,\n"
     "    com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n"
     "    throws com.google.protobuf.InvalidProtocolBufferException {\n"
-    "  return newBuilder().mergeFrom(data, extensionRegistry)\n"
-    "           .buildParsed();\n"
+    "  return PARSER.parseFrom(data, extensionRegistry);\n"
     "}\n"
     "public static $classname$ parseFrom(java.io.InputStream input)\n"
     "    throws java.io.IOException {\n"
-    "  return newBuilder().mergeFrom(input).buildParsed();\n"
+    "  return PARSER.parseFrom(input);\n"
     "}\n"
     "public static $classname$ parseFrom(\n"
     "    java.io.InputStream input,\n"
     "    com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n"
     "    throws java.io.IOException {\n"
-    "  return newBuilder().mergeFrom(input, extensionRegistry)\n"
-    "           .buildParsed();\n"
+    "  return PARSER.parseFrom(input, extensionRegistry);\n"
     "}\n"
     "public static $classname$ parseDelimitedFrom(java.io.InputStream input)\n"
     "    throws java.io.IOException {\n"
-    "  Builder builder = newBuilder();\n"
-    "  if (builder.mergeDelimitedFrom(input)) {\n"
-    "    return builder.buildParsed();\n"
-    "  } else {\n"
-    "    return null;\n"
-    "  }\n"
+    "  return PARSER.parseDelimitedFrom(input);\n"
     "}\n"
     "public static $classname$ parseDelimitedFrom(\n"
     "    java.io.InputStream input,\n"
     "    com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n"
     "    throws java.io.IOException {\n"
-    "  Builder builder = newBuilder();\n"
-    "  if (builder.mergeDelimitedFrom(input, extensionRegistry)) {\n"
-    "    return builder.buildParsed();\n"
-    "  } else {\n"
-    "    return null;\n"
-    "  }\n"
+    "  return PARSER.parseDelimitedFrom(input, extensionRegistry);\n"
     "}\n"
     "public static $classname$ parseFrom(\n"
     "    com.google.protobuf.CodedInputStream input)\n"
     "    throws java.io.IOException {\n"
-    "  return newBuilder().mergeFrom(input).buildParsed();\n"
+    "  return PARSER.parseFrom(input);\n"
     "}\n"
     "public static $classname$ parseFrom(\n"
     "    com.google.protobuf.CodedInputStream input,\n"
     "    com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n"
     "    throws java.io.IOException {\n"
-    "  return newBuilder().mergeFrom(input, extensionRegistry)\n"
-    "           .buildParsed();\n"
+    "  return PARSER.parseFrom(input, extensionRegistry);\n"
     "}\n"
     "\n",
     "classname", ClassName(descriptor_));
@@ -602,42 +689,70 @@ void MessageGenerator::GenerateBuilder(io::Printer* printer) {
     "\n",
     "classname", ClassName(descriptor_));
 
+  if (HasNestedBuilders(descriptor_)) {
+     printer->Print(
+      "@java.lang.Override\n"
+      "protected Builder newBuilderForType(\n"
+      "    com.google.protobuf.GeneratedMessage.BuilderParent parent) {\n"
+      "  Builder builder = new Builder(parent);\n"
+      "  return builder;\n"
+      "}\n");
+  }
+
+  WriteMessageDocComment(printer, descriptor_);
+
   if (descriptor_->extension_range_count() > 0) {
     if (HasDescriptorMethods(descriptor_)) {
       printer->Print(
         "public static final class Builder extends\n"
         "    com.google.protobuf.GeneratedMessage.ExtendableBuilder<\n"
-        "      $classname$, Builder> {\n",
+        "      $classname$, Builder> implements $classname$OrBuilder {\n",
         "classname", ClassName(descriptor_));
     } else {
       printer->Print(
         "public static final class Builder extends\n"
         "    com.google.protobuf.GeneratedMessageLite.ExtendableBuilder<\n"
-        "      $classname$, Builder> {\n",
+        "      $classname$, Builder> implements $classname$OrBuilder {\n",
         "classname", ClassName(descriptor_));
     }
   } else {
     if (HasDescriptorMethods(descriptor_)) {
       printer->Print(
         "public static final class Builder extends\n"
-        "    com.google.protobuf.GeneratedMessage.Builder<Builder> {\n",
+        "    com.google.protobuf.GeneratedMessage.Builder<Builder>\n"
+         "   implements $classname$OrBuilder {\n",
         "classname", ClassName(descriptor_));
     } else {
       printer->Print(
         "public static final class Builder extends\n"
         "    com.google.protobuf.GeneratedMessageLite.Builder<\n"
-        "      $classname$, Builder> {\n",
+        "      $classname$, Builder>\n"
+        "    implements $classname$OrBuilder {\n",
         "classname", ClassName(descriptor_));
     }
   }
   printer->Indent();
 
+  GenerateDescriptorMethods(printer);
   GenerateCommonBuilderMethods(printer);
 
   if (HasGeneratedMethods(descriptor_)) {
+    GenerateIsInitialized(printer, DONT_MEMOIZE);
     GenerateBuilderParsingMethods(printer);
   }
 
+  // Integers for bit fields.
+  int totalBits = 0;
+  for (int i = 0; i < descriptor_->field_count(); i++) {
+    totalBits += field_generators_.get(descriptor_->field(i))
+        .GetNumBitsForBuilder();
+  }
+  int totalInts = (totalBits + 31) / 32;
+  for (int i = 0; i < totalInts; i++) {
+    printer->Print("private int $bit_field_name$;\n",
+      "bit_field_name", GetBitFieldName(i));
+  }
+
   for (int i = 0; i < descriptor_->field_count(); i++) {
     printer->Print("\n");
     PrintFieldComment(printer, descriptor_->field(i));
@@ -654,36 +769,101 @@ void MessageGenerator::GenerateBuilder(io::Printer* printer) {
   printer->Print("}\n");
 }
 
+void MessageGenerator::GenerateDescriptorMethods(io::Printer* printer) {
+  if (HasDescriptorMethods(descriptor_)) {
+    if (!descriptor_->options().no_standard_descriptor_accessor()) {
+      printer->Print(
+        "public static final com.google.protobuf.Descriptors.Descriptor\n"
+        "    getDescriptor() {\n"
+        "  return $fileclass$.internal_$identifier$_descriptor;\n"
+        "}\n"
+        "\n",
+        "fileclass", ClassName(descriptor_->file()),
+        "identifier", UniqueFileScopeIdentifier(descriptor_));
+    }
+    printer->Print(
+      "protected com.google.protobuf.GeneratedMessage.FieldAccessorTable\n"
+      "    internalGetFieldAccessorTable() {\n"
+      "  return $fileclass$.internal_$identifier$_fieldAccessorTable\n"
+      "      .ensureFieldAccessorsInitialized(\n"
+      "          $classname$.class, $classname$.Builder.class);\n"
+      "}\n"
+      "\n",
+      "classname", ClassName(descriptor_),
+      "fileclass", ClassName(descriptor_->file()),
+      "identifier", UniqueFileScopeIdentifier(descriptor_));
+  }
+}
+
 // ===================================================================
 
 void MessageGenerator::GenerateCommonBuilderMethods(io::Printer* printer) {
   printer->Print(
-    "private $classname$ result;\n"
-    "\n"
     "// Construct using $classname$.newBuilder()\n"
-    "private Builder() {}\n"
-    "\n"
-    "private static Builder create() {\n"
-    "  Builder builder = new Builder();\n"
-    "  builder.result = new $classname$();\n"
-    "  return builder;\n"
+    "private Builder() {\n"
+    "  maybeForceBuilderInitialization();\n"
     "}\n"
-    "\n"
-    "protected $classname$ internalGetResult() {\n"
-    "  return result;\n"
+    "\n",
+    "classname", ClassName(descriptor_));
+
+  if (HasDescriptorMethods(descriptor_)) {
+    printer->Print(
+      "private Builder(\n"
+      "    com.google.protobuf.GeneratedMessage.BuilderParent parent) {\n"
+      "  super(parent);\n"
+      "  maybeForceBuilderInitialization();\n"
+      "}\n",
+      "classname", ClassName(descriptor_));
+  }
+
+
+  if (HasNestedBuilders(descriptor_)) {
+    printer->Print(
+      "private void maybeForceBuilderInitialization() {\n"
+      "  if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {\n");
+
+    printer->Indent();
+    printer->Indent();
+    for (int i = 0; i < descriptor_->field_count(); i++) {
+      field_generators_.get(descriptor_->field(i))
+          .GenerateFieldBuilderInitializationCode(printer);
+    }
+    printer->Outdent();
+    printer->Outdent();
+
+    printer->Print(
+      "  }\n"
+      "}\n");
+  } else {
+    printer->Print(
+      "private void maybeForceBuilderInitialization() {\n"
+      "}\n");
+  }
+
+  printer->Print(
+    "private static Builder create() {\n"
+    "  return new Builder();\n"
     "}\n"
     "\n"
     "public Builder clear() {\n"
-    "  if (result == null) {\n"
-    "    throw new IllegalStateException(\n"
-    "      \"Cannot call clear() after build().\");\n"
-    "  }\n"
-    "  result = new $classname$();\n"
+    "  super.clear();\n",
+    "classname", ClassName(descriptor_));
+
+  printer->Indent();
+
+  for (int i = 0; i < descriptor_->field_count(); i++) {
+    field_generators_.get(descriptor_->field(i))
+        .GenerateBuilderClearCode(printer);
+  }
+
+  printer->Outdent();
+
+  printer->Print(
     "  return this;\n"
     "}\n"
     "\n"
     "public Builder clone() {\n"
-    "  return create().mergeFrom(result);\n"
+    "  return create().mergeFrom(buildPartial());\n"
     "}\n"
     "\n",
     "classname", ClassName(descriptor_));
@@ -691,58 +871,78 @@ void MessageGenerator::GenerateCommonBuilderMethods(io::Printer* printer) {
     printer->Print(
       "public com.google.protobuf.Descriptors.Descriptor\n"
       "    getDescriptorForType() {\n"
-      "  return $classname$.getDescriptor();\n"
+      "  return $fileclass$.internal_$identifier$_descriptor;\n"
       "}\n"
       "\n",
-      "classname", ClassName(descriptor_));
+      "fileclass", ClassName(descriptor_->file()),
+      "identifier", UniqueFileScopeIdentifier(descriptor_));
   }
   printer->Print(
     "public $classname$ getDefaultInstanceForType() {\n"
     "  return $classname$.getDefaultInstance();\n"
     "}\n"
-    "\n"
-    "public boolean isInitialized() {\n"
-    "  return result.isInitialized();\n"
-    "}\n",
+    "\n",
     "classname", ClassName(descriptor_));
 
   // -----------------------------------------------------------------
 
   printer->Print(
     "public $classname$ build() {\n"
-    // If result == null, we'll throw an appropriate exception later.
-    "  if (result != null && !isInitialized()) {\n"
+    "  $classname$ result = buildPartial();\n"
+    "  if (!result.isInitialized()) {\n"
     "    throw newUninitializedMessageException(result);\n"
     "  }\n"
-    "  return buildPartial();\n"
-    "}\n"
-    "\n"
-    "private $classname$ buildParsed()\n"
-    "    throws com.google.protobuf.InvalidProtocolBufferException {\n"
-    "  if (!isInitialized()) {\n"
-    "    throw newUninitializedMessageException(\n"
-    "      result).asInvalidProtocolBufferException();\n"
-    "  }\n"
-    "  return buildPartial();\n"
+    "  return result;\n"
     "}\n"
     "\n"
     "public $classname$ buildPartial() {\n"
-    "  if (result == null) {\n"
-    "    throw new IllegalStateException(\n"
-    "      \"build() has already been called on this Builder.\");\n"
-    "  }\n",
+    "  $classname$ result = new $classname$(this);\n",
     "classname", ClassName(descriptor_));
+
   printer->Indent();
 
+  // Local vars for from and to bit fields to avoid accessing the builder and
+  // message over and over for these fields. Seems to provide a slight
+  // perforamance improvement in micro benchmark and this is also what proto1
+  // code does.
+  int totalBuilderBits = 0;
+  int totalMessageBits = 0;
+  for (int i = 0; i < descriptor_->field_count(); i++) {
+    const FieldGenerator& field = field_generators_.get(descriptor_->field(i));
+    totalBuilderBits += field.GetNumBitsForBuilder();
+    totalMessageBits += field.GetNumBitsForMessage();
+  }
+  int totalBuilderInts = (totalBuilderBits + 31) / 32;
+  int totalMessageInts = (totalMessageBits + 31) / 32;
+  for (int i = 0; i < totalBuilderInts; i++) {
+    printer->Print("int from_$bit_field_name$ = $bit_field_name$;\n",
+      "bit_field_name", GetBitFieldName(i));
+  }
+  for (int i = 0; i < totalMessageInts; i++) {
+    printer->Print("int to_$bit_field_name$ = 0;\n",
+      "bit_field_name", GetBitFieldName(i));
+  }
+
+  // Output generation code for each field.
   for (int i = 0; i < descriptor_->field_count(); i++) {
     field_generators_.get(descriptor_->field(i)).GenerateBuildingCode(printer);
   }
 
+  // Copy the bit field results to the generated message
+  for (int i = 0; i < totalMessageInts; i++) {
+    printer->Print("result.$bit_field_name$ = to_$bit_field_name$;\n",
+      "bit_field_name", GetBitFieldName(i));
+  }
+
   printer->Outdent();
+
+  if (HasDescriptorMethods(descriptor_)) {
+    printer->Print(
+    "  onBuilt();\n");
+  }
+
   printer->Print(
-    "  $classname$ returnMe = result;\n"
-    "  result = null;\n"
-    "  return returnMe;\n"
+    "  return result;\n"
     "}\n"
     "\n",
     "classname", ClassName(descriptor_));
@@ -801,25 +1001,287 @@ void MessageGenerator::GenerateCommonBuilderMethods(io::Printer* printer) {
 // ===================================================================
 
 void MessageGenerator::GenerateBuilderParsingMethods(io::Printer* printer) {
-  scoped_array<const FieldDescriptor*> sorted_fields(
-    SortFieldsByNumber(descriptor_));
-
   printer->Print(
     "public Builder mergeFrom(\n"
     "    com.google.protobuf.CodedInputStream input,\n"
     "    com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n"
-    "    throws java.io.IOException {\n");
+    "    throws java.io.IOException {\n"
+    "  $classname$ parsedMessage = null;\n"
+    "  try {\n"
+    "    parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);\n"
+    "  } catch (com.google.protobuf.InvalidProtocolBufferException e) {\n"
+    "    parsedMessage = ($classname$) e.getUnfinishedMessage();\n"
+    "    throw e;\n"
+    "  } finally {\n"
+    "    if (parsedMessage != null) {\n"
+    "      mergeFrom(parsedMessage);\n"
+    "    }\n"
+    "  }\n"
+    "  return this;\n"
+    "}\n",
+    "classname", ClassName(descriptor_));
+}
+
+// ===================================================================
+
+void MessageGenerator::GenerateIsInitialized(
+    io::Printer* printer, UseMemoization useMemoization) {
+  bool memoization = useMemoization == MEMOIZE;
+  if (memoization) {
+    // Memoizes whether the protocol buffer is fully initialized (has all
+    // required fields). -1 means not yet computed. 0 means false and 1 means
+    // true.
+    printer->Print(
+      "private byte memoizedIsInitialized = -1;\n");
+  }
+  printer->Print(
+    "public final boolean isInitialized() {\n");
   printer->Indent();
 
+  if (memoization) {
+    printer->Print(
+      "byte isInitialized = memoizedIsInitialized;\n"
+      "if (isInitialized != -1) return isInitialized == 1;\n"
+      "\n");
+  }
+
+  // Check that all required fields in this message are set.
+  // TODO(kenton):  We can optimize this when we switch to putting all the
+  //   "has" fields into a single bitfield.
+  for (int i = 0; i < descriptor_->field_count(); i++) {
+    const FieldDescriptor* field = descriptor_->field(i);
+
+    if (field->is_required()) {
+      printer->Print(
+        "if (!has$name$()) {\n"
+        "  $memoize$\n"
+        "  return false;\n"
+        "}\n",
+        "name", UnderscoresToCapitalizedCamelCase(field),
+        "memoize", memoization ? "memoizedIsInitialized = 0;" : "");
+    }
+  }
+
+  // Now check that all embedded messages are initialized.
+  for (int i = 0; i < descriptor_->field_count(); i++) {
+    const FieldDescriptor* field = descriptor_->field(i);
+    if (GetJavaType(field) == JAVATYPE_MESSAGE &&
+        HasRequiredFields(field->message_type())) {
+      switch (field->label()) {
+        case FieldDescriptor::LABEL_REQUIRED:
+          printer->Print(
+            "if (!get$name$().isInitialized()) {\n"
+             "  $memoize$\n"
+             "  return false;\n"
+             "}\n",
+            "type", ClassName(field->message_type()),
+            "name", UnderscoresToCapitalizedCamelCase(field),
+            "memoize", memoization ? "memoizedIsInitialized = 0;" : "");
+          break;
+        case FieldDescriptor::LABEL_OPTIONAL:
+          printer->Print(
+            "if (has$name$()) {\n"
+            "  if (!get$name$().isInitialized()) {\n"
+            "    $memoize$\n"
+            "    return false;\n"
+            "  }\n"
+            "}\n",
+            "type", ClassName(field->message_type()),
+            "name", UnderscoresToCapitalizedCamelCase(field),
+            "memoize", memoization ? "memoizedIsInitialized = 0;" : "");
+          break;
+        case FieldDescriptor::LABEL_REPEATED:
+          printer->Print(
+            "for (int i = 0; i < get$name$Count(); i++) {\n"
+            "  if (!get$name$(i).isInitialized()) {\n"
+            "    $memoize$\n"
+            "    return false;\n"
+            "  }\n"
+            "}\n",
+            "type", ClassName(field->message_type()),
+            "name", UnderscoresToCapitalizedCamelCase(field),
+            "memoize", memoization ? "memoizedIsInitialized = 0;" : "");
+          break;
+      }
+    }
+  }
+
+  if (descriptor_->extension_range_count() > 0) {
+    printer->Print(
+      "if (!extensionsAreInitialized()) {\n"
+      "  $memoize$\n"
+      "  return false;\n"
+      "}\n",
+      "memoize", memoization ? "memoizedIsInitialized = 0;" : "");
+  }
+
+  printer->Outdent();
+
+  if (memoization) {
+    printer->Print(
+      "  memoizedIsInitialized = 1;\n");
+  }
+
+  printer->Print(
+    "  return true;\n"
+    "}\n"
+    "\n");
+}
+
+// ===================================================================
+
+void MessageGenerator::GenerateEqualsAndHashCode(io::Printer* printer) {
+  printer->Print(
+    "@java.lang.Override\n"
+    "public boolean equals(final java.lang.Object obj) {\n");
+  printer->Indent();
+  printer->Print(
+    "if (obj == this) {\n"
+    " return true;\n"
+    "}\n"
+    "if (!(obj instanceof $classname$)) {\n"
+    "  return super.equals(obj);\n"
+    "}\n"
+    "$classname$ other = ($classname$) obj;\n"
+    "\n",
+    "classname", ClassName(descriptor_));
+
+  printer->Print("boolean result = true;\n");
+  for (int i = 0; i < descriptor_->field_count(); i++) {
+    const FieldDescriptor* field = descriptor_->field(i);
+    if (!field->is_repeated()) {
+      printer->Print(
+        "result = result && (has$name$() == other.has$name$());\n"
+        "if (has$name$()) {\n",
+        "name", UnderscoresToCapitalizedCamelCase(field));
+      printer->Indent();
+    }
+    field_generators_.get(field).GenerateEqualsCode(printer);
+    if (!field->is_repeated()) {
+      printer->Outdent();
+      printer->Print(
+        "}\n");
+    }
+  }
+  if (HasDescriptorMethods(descriptor_)) {
+    printer->Print(
+      "result = result &&\n"
+      "    getUnknownFields().equals(other.getUnknownFields());\n");
+    if (descriptor_->extension_range_count() > 0) {
+      printer->Print(
+        "result = result &&\n"
+        "    getExtensionFields().equals(other.getExtensionFields());\n");
+    }
+  }
+  printer->Print(
+    "return result;\n");
+  printer->Outdent();
+  printer->Print(
+    "}\n"
+    "\n");
+
+  printer->Print(
+    "private int memoizedHashCode = 0;\n");
+  printer->Print(
+    "@java.lang.Override\n"
+    "public int hashCode() {\n");
+  printer->Indent();
+  printer->Print(
+    "if (memoizedHashCode != 0) {\n");
+  printer->Indent();
+  printer->Print(
+    "return memoizedHashCode;\n");
+  printer->Outdent();
+  printer->Print(
+    "}\n"
+    "int hash = 41;\n"
+    "hash = (19 * hash) + getDescriptorForType().hashCode();\n");
+  for (int i = 0; i < descriptor_->field_count(); i++) {
+    const FieldDescriptor* field = descriptor_->field(i);
+    if (!field->is_repeated()) {
+      printer->Print(
+        "if (has$name$()) {\n",
+        "name", UnderscoresToCapitalizedCamelCase(field));
+      printer->Indent();
+    }
+    field_generators_.get(field).GenerateHashCode(printer);
+    if (!field->is_repeated()) {
+      printer->Outdent();
+      printer->Print("}\n");
+    }
+  }
+  if (HasDescriptorMethods(descriptor_)) {
+    if (descriptor_->extension_range_count() > 0) {
+      printer->Print(
+        "hash = hashFields(hash, getExtensionFields());\n");
+    }
+  }
+  printer->Print(
+    "hash = (29 * hash) + getUnknownFields().hashCode();\n"
+    "memoizedHashCode = hash;\n"
+    "return hash;\n");
+  printer->Outdent();
+  printer->Print(
+    "}\n"
+    "\n");
+}
+
+// ===================================================================
+
+void MessageGenerator::GenerateExtensionRegistrationCode(io::Printer* printer) {
+  for (int i = 0; i < descriptor_->extension_count(); i++) {
+    ExtensionGenerator(descriptor_->extension(i))
+      .GenerateRegistrationCode(printer);
+  }
+
+  for (int i = 0; i < descriptor_->nested_type_count(); i++) {
+    MessageGenerator(descriptor_->nested_type(i))
+      .GenerateExtensionRegistrationCode(printer);
+  }
+}
+
+// ===================================================================
+void MessageGenerator::GenerateParsingConstructor(io::Printer* printer) {
+  scoped_array<const FieldDescriptor*> sorted_fields(
+      SortFieldsByNumber(descriptor_));
+
+  printer->Print(
+      "private $classname$(\n"
+      "    com.google.protobuf.CodedInputStream input,\n"
+      "    com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n"
+      "    throws com.google.protobuf.InvalidProtocolBufferException {\n",
+      "classname", descriptor_->name());
+  printer->Indent();
+
+  // Initialize all fields to default.
+  printer->Print(
+      "initFields();\n");
+
+  // Use builder bits to track mutable repeated fields.
+  int totalBuilderBits = 0;
+  for (int i = 0; i < descriptor_->field_count(); i++) {
+    const FieldGenerator& field = field_generators_.get(descriptor_->field(i));
+    totalBuilderBits += field.GetNumBitsForBuilder();
+  }
+  int totalBuilderInts = (totalBuilderBits + 31) / 32;
+  for (int i = 0; i < totalBuilderInts; i++) {
+    printer->Print("int mutable_$bit_field_name$ = 0;\n",
+      "bit_field_name", GetBitFieldName(i));
+  }
+
   if (HasUnknownFields(descriptor_)) {
     printer->Print(
       "com.google.protobuf.UnknownFieldSet.Builder unknownFields =\n"
-      "  com.google.protobuf.UnknownFieldSet.newBuilder(\n"
-      "    this.getUnknownFields());\n");
+      "    com.google.protobuf.UnknownFieldSet.newBuilder();\n");
   }
 
   printer->Print(
-    "while (true) {\n");
+      "try {\n");
+  printer->Indent();
+
+  printer->Print(
+    "boolean done = false;\n"
+    "while (!done) {\n");
   printer->Indent();
 
   printer->Print(
@@ -827,30 +1289,19 @@ void MessageGenerator::GenerateBuilderParsingMethods(io::Printer* printer) {
     "switch (tag) {\n");
   printer->Indent();
 
-  if (HasUnknownFields(descriptor_)) {
-    printer->Print(
-      "case 0:\n"          // zero signals EOF / limit reached
-      "  this.setUnknownFields(unknownFields.build());\n"
-      "  return this;\n"
-      "default: {\n"
-      "  if (!parseUnknownField(input, unknownFields,\n"
-      "                         extensionRegistry, tag)) {\n"
-      "    this.setUnknownFields(unknownFields.build());\n"
-      "    return this;\n"   // it's an endgroup tag
-      "  }\n"
-      "  break;\n"
-      "}\n");
-  } else {
-    printer->Print(
-      "case 0:\n"          // zero signals EOF / limit reached
-      "  return this;\n"
-      "default: {\n"
-      "  if (!parseUnknownField(input, extensionRegistry, tag)) {\n"
-      "    return this;\n"   // it's an endgroup tag
-      "  }\n"
-      "  break;\n"
-      "}\n");
-  }
+  printer->Print(
+    "case 0:\n"          // zero signals EOF / limit reached
+    "  done = true;\n"
+    "  break;\n"
+    "default: {\n"
+    "  if (!parseUnknownField(input,$unknown_fields$\n"
+    "                         extensionRegistry, tag)) {\n"
+    "    done = true;\n"  // it's an endgroup tag
+    "  }\n"
+    "  break;\n"
+    "}\n",
+    "unknown_fields", HasUnknownFields(descriptor_)
+        ? " unknownFields," : "");
 
   for (int i = 0; i < descriptor_->field_count(); i++) {
     const FieldDescriptor* field = sorted_fields[i];
@@ -890,90 +1341,92 @@ void MessageGenerator::GenerateBuilderParsingMethods(io::Printer* printer) {
 
   printer->Outdent();
   printer->Outdent();
+  printer->Print(
+      "  }\n"     // switch (tag)
+      "}\n");     // while (!done)
+
   printer->Outdent();
   printer->Print(
-    "    }\n"     // switch (tag)
-    "  }\n"       // while (true)
-    "}\n"
-    "\n");
-}
-
-// ===================================================================
-
-void MessageGenerator::GenerateIsInitialized(io::Printer* printer) {
-  printer->Print(
-    "public final boolean isInitialized() {\n");
+      "} catch (com.google.protobuf.InvalidProtocolBufferException e) {\n"
+      "  throw e.setUnfinishedMessage(this);\n"
+      "} catch (java.io.IOException e) {\n"
+      "  throw new com.google.protobuf.InvalidProtocolBufferException(\n"
+      "      e.getMessage()).setUnfinishedMessage(this);\n"
+      "} finally {\n");
   printer->Indent();
 
-  // Check that all required fields in this message are set.
-  // TODO(kenton):  We can optimize this when we switch to putting all the
-  //   "has" fields into a single bitfield.
+  // Make repeated field list immutable.
   for (int i = 0; i < descriptor_->field_count(); i++) {
-    const FieldDescriptor* field = descriptor_->field(i);
-
-    if (field->is_required()) {
-      printer->Print(
-        "if (!has$name$) return false;\n",
-        "name", UnderscoresToCapitalizedCamelCase(field));
-    }
+    const FieldDescriptor* field = sorted_fields[i];
+    field_generators_.get(field).GenerateParsingDoneCode(printer);
   }
 
-  // Now check that all embedded messages are initialized.
-  for (int i = 0; i < descriptor_->field_count(); i++) {
-    const FieldDescriptor* field = descriptor_->field(i);
-    if (GetJavaType(field) == JAVATYPE_MESSAGE &&
-        HasRequiredFields(field->message_type())) {
-      switch (field->label()) {
-        case FieldDescriptor::LABEL_REQUIRED:
-          printer->Print(
-            "if (!get$name$().isInitialized()) return false;\n",
-            "type", ClassName(field->message_type()),
-            "name", UnderscoresToCapitalizedCamelCase(field));
-          break;
-        case FieldDescriptor::LABEL_OPTIONAL:
-          printer->Print(
-            "if (has$name$()) {\n"
-            "  if (!get$name$().isInitialized()) return false;\n"
-            "}\n",
-            "type", ClassName(field->message_type()),
-            "name", UnderscoresToCapitalizedCamelCase(field));
-          break;
-        case FieldDescriptor::LABEL_REPEATED:
-          printer->Print(
-            "for ($type$ element : get$name$List()) {\n"
-            "  if (!element.isInitialized()) return false;\n"
-            "}\n",
-            "type", ClassName(field->message_type()),
-            "name", UnderscoresToCapitalizedCamelCase(field));
-          break;
-      }
-    }
-  }
-
-  if (descriptor_->extension_range_count() > 0) {
+  // Make unknown fields immutable.
+  if (HasUnknownFields(descriptor_)) {
     printer->Print(
-      "if (!extensionsAreInitialized()) return false;\n");
+        "this.unknownFields = unknownFields.build();\n");
   }
 
+  // Make extensions immutable.
+  printer->Print(
+      "makeExtensionsImmutable();\n");
+
+  printer->Outdent();
   printer->Outdent();
   printer->Print(
-    "  return true;\n"
-    "}\n"
-    "\n");
+      "  }\n"     // finally
+      "}\n");
 }
 
 // ===================================================================
-
-void MessageGenerator::GenerateExtensionRegistrationCode(io::Printer* printer) {
-  for (int i = 0; i < descriptor_->extension_count(); i++) {
-    ExtensionGenerator(descriptor_->extension(i))
-      .GenerateRegistrationCode(printer);
+void MessageGenerator::GenerateParser(io::Printer* printer) {
+  printer->Print(
+      "public static com.google.protobuf.Parser<$classname$> PARSER =\n"
+      "    new com.google.protobuf.AbstractParser<$classname$>() {\n",
+      "classname", descriptor_->name());
+  printer->Indent();
+  printer->Print(
+      "public $classname$ parsePartialFrom(\n"
+      "    com.google.protobuf.CodedInputStream input,\n"
+      "    com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n"
+      "    throws com.google.protobuf.InvalidProtocolBufferException {\n",
+      "classname", descriptor_->name());
+  if (HasGeneratedMethods(descriptor_)) {
+    printer->Print(
+        "  return new $classname$(input, extensionRegistry);\n",
+        "classname", descriptor_->name());
+  } else {
+    // When parsing constructor isn't generated, use builder to parse messages.
+    // Note, will fallback to use reflection based mergeFieldFrom() in
+    // AbstractMessage.Builder.
+    printer->Indent();
+    printer->Print(
+        "Builder builder = newBuilder();\n"
+        "try {\n"
+        "  builder.mergeFrom(input, extensionRegistry);\n"
+        "} catch (com.google.protobuf.InvalidProtocolBufferException e) {\n"
+        "  throw e.setUnfinishedMessage(builder.buildPartial());\n"
+        "} catch (java.io.IOException e) {\n"
+        "  throw new com.google.protobuf.InvalidProtocolBufferException(\n"
+        "      e.getMessage()).setUnfinishedMessage(builder.buildPartial());\n"
+        "}\n"
+        "return builder.buildPartial();\n");
+    printer->Outdent();
   }
+  printer->Print(
+        "}\n");
+  printer->Outdent();
+  printer->Print(
+      "};\n"
+      "\n");
 
-  for (int i = 0; i < descriptor_->nested_type_count(); i++) {
-    MessageGenerator(descriptor_->nested_type(i))
-      .GenerateExtensionRegistrationCode(printer);
-  }
+  printer->Print(
+      "@java.lang.Override\n"
+      "public com.google.protobuf.Parser<$classname$> getParserForType() {\n"
+      "  return PARSER;\n"
+      "}\n"
+      "\n",
+      "classname", descriptor_->name());
 }
 
 }  // namespace java
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_message.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_message.h
similarity index 88%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_message.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_message.h
index 50ffae08..a30f0202 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_message.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_message.h
@@ -67,11 +67,19 @@ class MessageGenerator {
   // Generate the class itself.
   void Generate(io::Printer* printer);
 
+  // Generates the base interface that both the class and its builder implement
+  void GenerateInterface(io::Printer* printer);
+
   // Generate code to register all contained extensions with an
   // ExtensionRegistry.
   void GenerateExtensionRegistrationCode(io::Printer* printer);
 
  private:
+  enum UseMemoization {
+    MEMOIZE,
+    DONT_MEMOIZE
+  };
+
   void GenerateMessageSerializationMethods(io::Printer* printer);
   void GenerateParseFromMethods(io::Printer* printer);
   void GenerateSerializeOneField(io::Printer* printer,
@@ -81,8 +89,14 @@ class MessageGenerator {
 
   void GenerateBuilder(io::Printer* printer);
   void GenerateCommonBuilderMethods(io::Printer* printer);
+  void GenerateDescriptorMethods(io::Printer* printer);
   void GenerateBuilderParsingMethods(io::Printer* printer);
-  void GenerateIsInitialized(io::Printer* printer);
+  void GenerateIsInitialized(io::Printer* printer,
+      UseMemoization useMemoization);
+  void GenerateEqualsAndHashCode(io::Printer* printer);
+
+  void GenerateParser(io::Printer* printer);
+  void GenerateParsingConstructor(io::Printer* printer);
 
   const Descriptor* descriptor_;
   FieldGeneratorMap field_generators_;
diff --git a/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_message_field.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_message_field.cc
new file mode 100644
index 00000000..b0b284f7
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_message_field.cc
@@ -0,0 +1,974 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Author: kenton@google.com (Kenton Varda)
+//  Based on original Protocol Buffers design by
+//  Sanjay Ghemawat, Jeff Dean, and others.
+
+#include <map>
+#include <string>
+
+#include <google/protobuf/compiler/java/java_message_field.h>
+#include <google/protobuf/compiler/java/java_doc_comment.h>
+#include <google/protobuf/compiler/java/java_helpers.h>
+#include <google/protobuf/io/printer.h>
+#include <google/protobuf/wire_format.h>
+#include <google/protobuf/stubs/strutil.h>
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+namespace java {
+
+namespace {
+
+// TODO(kenton):  Factor out a "SetCommonFieldVariables()" to get rid of
+//   repeat code between this and the other field types.
+void SetMessageVariables(const FieldDescriptor* descriptor,
+                         int messageBitIndex,
+                         int builderBitIndex,
+                         map<string, string>* variables) {
+  (*variables)["name"] =
+    UnderscoresToCamelCase(descriptor);
+  (*variables)["capitalized_name"] =
+    UnderscoresToCapitalizedCamelCase(descriptor);
+  (*variables)["constant_name"] = FieldConstantName(descriptor);
+  (*variables)["number"] = SimpleItoa(descriptor->number());
+  (*variables)["type"] = ClassName(descriptor->message_type());
+  (*variables)["group_or_message"] =
+    (GetType(descriptor) == FieldDescriptor::TYPE_GROUP) ?
+    "Group" : "Message";
+  // TODO(birdo): Add @deprecated javadoc when generating javadoc is supported
+  // by the proto compiler
+  (*variables)["deprecation"] = descriptor->options().deprecated()
+      ? "@java.lang.Deprecated " : "";
+  (*variables)["on_changed"] =
+      HasDescriptorMethods(descriptor->containing_type()) ? "onChanged();" : "";
+
+  // For singular messages and builders, one bit is used for the hasField bit.
+  (*variables)["get_has_field_bit_message"] = GenerateGetBit(messageBitIndex);
+  (*variables)["set_has_field_bit_message"] = GenerateSetBit(messageBitIndex);
+
+  (*variables)["get_has_field_bit_builder"] = GenerateGetBit(builderBitIndex);
+  (*variables)["set_has_field_bit_builder"] = GenerateSetBit(builderBitIndex);
+  (*variables)["clear_has_field_bit_builder"] =
+      GenerateClearBit(builderBitIndex);
+
+  // For repated builders, one bit is used for whether the array is immutable.
+  (*variables)["get_mutable_bit_builder"] = GenerateGetBit(builderBitIndex);
+  (*variables)["set_mutable_bit_builder"] = GenerateSetBit(builderBitIndex);
+  (*variables)["clear_mutable_bit_builder"] = GenerateClearBit(builderBitIndex);
+
+  // For repeated fields, one bit is used for whether the array is immutable
+  // in the parsing constructor.
+  (*variables)["get_mutable_bit_parser"] =
+      GenerateGetBitMutableLocal(builderBitIndex);
+  (*variables)["set_mutable_bit_parser"] =
+      GenerateSetBitMutableLocal(builderBitIndex);
+
+  (*variables)["get_has_field_bit_from_local"] =
+      GenerateGetBitFromLocal(builderBitIndex);
+  (*variables)["set_has_field_bit_to_local"] =
+      GenerateSetBitToLocal(messageBitIndex);
+}
+
+}  // namespace
+
+// ===================================================================
+
+MessageFieldGenerator::
+MessageFieldGenerator(const FieldDescriptor* descriptor,
+                      int messageBitIndex,
+                      int builderBitIndex)
+  : descriptor_(descriptor), messageBitIndex_(messageBitIndex),
+    builderBitIndex_(builderBitIndex) {
+  SetMessageVariables(descriptor, messageBitIndex, builderBitIndex,
+                      &variables_);
+}
+
+MessageFieldGenerator::~MessageFieldGenerator() {}
+
+int MessageFieldGenerator::GetNumBitsForMessage() const {
+  return 1;
+}
+
+int MessageFieldGenerator::GetNumBitsForBuilder() const {
+  return 1;
+}
+
+void MessageFieldGenerator::
+GenerateInterfaceMembers(io::Printer* printer) const {
+  // TODO(jonp): In the future, consider having a method specific to the
+  // interface so that builders can choose dynamically to either return a
+  // message or a nested builder, so that asking for the interface doesn't
+  // cause a message to ever be built.
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$boolean has$capitalized_name$();\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$$type$ get$capitalized_name$();\n");
+
+  if (HasNestedBuilders(descriptor_->containing_type())) {
+    WriteFieldDocComment(printer, descriptor_);
+    printer->Print(variables_,
+      "$deprecation$$type$OrBuilder get$capitalized_name$OrBuilder();\n");
+  }
+}
+
+void MessageFieldGenerator::
+GenerateMembers(io::Printer* printer) const {
+  printer->Print(variables_,
+    "private $type$ $name$_;\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public boolean has$capitalized_name$() {\n"
+    "  return $get_has_field_bit_message$;\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public $type$ get$capitalized_name$() {\n"
+    "  return $name$_;\n"
+    "}\n");
+
+  if (HasNestedBuilders(descriptor_->containing_type())) {
+    WriteFieldDocComment(printer, descriptor_);
+    printer->Print(variables_,
+      "$deprecation$public $type$OrBuilder get$capitalized_name$OrBuilder() {\n"
+      "  return $name$_;\n"
+      "}\n");
+  }
+}
+
+void MessageFieldGenerator::PrintNestedBuilderCondition(
+    io::Printer* printer,
+    const char* regular_case,
+    const char* nested_builder_case) const {
+  if (HasNestedBuilders(descriptor_->containing_type())) {
+     printer->Print(variables_, "if ($name$Builder_ == null) {\n");
+     printer->Indent();
+     printer->Print(variables_, regular_case);
+     printer->Outdent();
+     printer->Print("} else {\n");
+     printer->Indent();
+     printer->Print(variables_, nested_builder_case);
+     printer->Outdent();
+     printer->Print("}\n");
+   } else {
+     printer->Print(variables_, regular_case);
+   }
+}
+
+void MessageFieldGenerator::PrintNestedBuilderFunction(
+    io::Printer* printer,
+    const char* method_prototype,
+    const char* regular_case,
+    const char* nested_builder_case,
+    const char* trailing_code) const {
+  printer->Print(variables_, method_prototype);
+  printer->Print(" {\n");
+  printer->Indent();
+  PrintNestedBuilderCondition(printer, regular_case, nested_builder_case);
+  if (trailing_code != NULL) {
+    printer->Print(variables_, trailing_code);
+  }
+  printer->Outdent();
+  printer->Print("}\n");
+}
+
+void MessageFieldGenerator::
+GenerateBuilderMembers(io::Printer* printer) const {
+  // When using nested-builders, the code initially works just like the
+  // non-nested builder case. It only creates a nested builder lazily on
+  // demand and then forever delegates to it after creation.
+
+  printer->Print(variables_,
+    // Used when the builder is null.
+    "private $type$ $name$_ = $type$.getDefaultInstance();\n");
+
+  if (HasNestedBuilders(descriptor_->containing_type())) {
+    printer->Print(variables_,
+      // If this builder is non-null, it is used and the other fields are
+      // ignored.
+      "private com.google.protobuf.SingleFieldBuilder<\n"
+      "    $type$, $type$.Builder, $type$OrBuilder> $name$Builder_;"
+      "\n");
+  }
+
+  // The comments above the methods below are based on a hypothetical
+  // field of type "Field" called "Field".
+
+  // boolean hasField()
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public boolean has$capitalized_name$() {\n"
+    "  return $get_has_field_bit_builder$;\n"
+    "}\n");
+
+  // Field getField()
+  WriteFieldDocComment(printer, descriptor_);
+  PrintNestedBuilderFunction(printer,
+    "$deprecation$public $type$ get$capitalized_name$()",
+
+    "return $name$_;\n",
+
+    "return $name$Builder_.getMessage();\n",
+
+    NULL);
+
+  // Field.Builder setField(Field value)
+  WriteFieldDocComment(printer, descriptor_);
+  PrintNestedBuilderFunction(printer,
+    "$deprecation$public Builder set$capitalized_name$($type$ value)",
+
+    "if (value == null) {\n"
+    "  throw new NullPointerException();\n"
+    "}\n"
+    "$name$_ = value;\n"
+    "$on_changed$\n",
+
+    "$name$Builder_.setMessage(value);\n",
+
+    "$set_has_field_bit_builder$;\n"
+    "return this;\n");
+
+  // Field.Builder setField(Field.Builder builderForValue)
+  WriteFieldDocComment(printer, descriptor_);
+  PrintNestedBuilderFunction(printer,
+    "$deprecation$public Builder set$capitalized_name$(\n"
+    "    $type$.Builder builderForValue)",
+
+    "$name$_ = builderForValue.build();\n"
+    "$on_changed$\n",
+
+    "$name$Builder_.setMessage(builderForValue.build());\n",
+
+    "$set_has_field_bit_builder$;\n"
+    "return this;\n");
+
+  // Field.Builder mergeField(Field value)
+  WriteFieldDocComment(printer, descriptor_);
+  PrintNestedBuilderFunction(printer,
+    "$deprecation$public Builder merge$capitalized_name$($type$ value)",
+
+    "if ($get_has_field_bit_builder$ &&\n"
+    "    $name$_ != $type$.getDefaultInstance()) {\n"
+    "  $name$_ =\n"
+    "    $type$.newBuilder($name$_).mergeFrom(value).buildPartial();\n"
+    "} else {\n"
+    "  $name$_ = value;\n"
+    "}\n"
+    "$on_changed$\n",
+
+    "$name$Builder_.mergeFrom(value);\n",
+
+    "$set_has_field_bit_builder$;\n"
+    "return this;\n");
+
+  // Field.Builder clearField()
+  WriteFieldDocComment(printer, descriptor_);
+  PrintNestedBuilderFunction(printer,
+    "$deprecation$public Builder clear$capitalized_name$()",
+
+    "$name$_ = $type$.getDefaultInstance();\n"
+    "$on_changed$\n",
+
+    "$name$Builder_.clear();\n",
+
+    "$clear_has_field_bit_builder$;\n"
+    "return this;\n");
+
+  if (HasNestedBuilders(descriptor_->containing_type())) {
+    WriteFieldDocComment(printer, descriptor_);
+    printer->Print(variables_,
+      "$deprecation$public $type$.Builder get$capitalized_name$Builder() {\n"
+      "  $set_has_field_bit_builder$;\n"
+      "  $on_changed$\n"
+      "  return get$capitalized_name$FieldBuilder().getBuilder();\n"
+      "}\n");
+    WriteFieldDocComment(printer, descriptor_);
+    printer->Print(variables_,
+      "$deprecation$public $type$OrBuilder get$capitalized_name$OrBuilder() {\n"
+      "  if ($name$Builder_ != null) {\n"
+      "    return $name$Builder_.getMessageOrBuilder();\n"
+      "  } else {\n"
+      "    return $name$_;\n"
+      "  }\n"
+      "}\n");
+    WriteFieldDocComment(printer, descriptor_);
+    printer->Print(variables_,
+      "private com.google.protobuf.SingleFieldBuilder<\n"
+      "    $type$, $type$.Builder, $type$OrBuilder> \n"
+      "    get$capitalized_name$FieldBuilder() {\n"
+      "  if ($name$Builder_ == null) {\n"
+      "    $name$Builder_ = new com.google.protobuf.SingleFieldBuilder<\n"
+      "        $type$, $type$.Builder, $type$OrBuilder>(\n"
+      "            $name$_,\n"
+      "            getParentForChildren(),\n"
+      "            isClean());\n"
+      "    $name$_ = null;\n"
+      "  }\n"
+      "  return $name$Builder_;\n"
+      "}\n");
+  }
+}
+
+void MessageFieldGenerator::
+GenerateFieldBuilderInitializationCode(io::Printer* printer)  const {
+  printer->Print(variables_,
+    "get$capitalized_name$FieldBuilder();\n");
+}
+
+
+void MessageFieldGenerator::
+GenerateInitializationCode(io::Printer* printer) const {
+  printer->Print(variables_, "$name$_ = $type$.getDefaultInstance();\n");
+}
+
+void MessageFieldGenerator::
+GenerateBuilderClearCode(io::Printer* printer) const {
+  PrintNestedBuilderCondition(printer,
+    "$name$_ = $type$.getDefaultInstance();\n",
+
+    "$name$Builder_.clear();\n");
+  printer->Print(variables_, "$clear_has_field_bit_builder$;\n");
+}
+
+void MessageFieldGenerator::
+GenerateMergingCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if (other.has$capitalized_name$()) {\n"
+    "  merge$capitalized_name$(other.get$capitalized_name$());\n"
+    "}\n");
+}
+
+void MessageFieldGenerator::
+GenerateBuildingCode(io::Printer* printer) const {
+
+  printer->Print(variables_,
+      "if ($get_has_field_bit_from_local$) {\n"
+      "  $set_has_field_bit_to_local$;\n"
+      "}\n");
+
+  PrintNestedBuilderCondition(printer,
+    "result.$name$_ = $name$_;\n",
+
+    "result.$name$_ = $name$Builder_.build();\n");
+}
+
+void MessageFieldGenerator::
+GenerateParsingCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "$type$.Builder subBuilder = null;\n"
+    "if ($get_has_field_bit_message$) {\n"
+    "  subBuilder = $name$_.toBuilder();\n"
+    "}\n");
+
+  if (GetType(descriptor_) == FieldDescriptor::TYPE_GROUP) {
+    printer->Print(variables_,
+      "$name$_ = input.readGroup($number$, $type$.PARSER,\n"
+      "    extensionRegistry);\n");
+  } else {
+    printer->Print(variables_,
+      "$name$_ = input.readMessage($type$.PARSER, extensionRegistry);\n");
+  }
+
+  printer->Print(variables_,
+    "if (subBuilder != null) {\n"
+    "  subBuilder.mergeFrom($name$_);\n"
+    "  $name$_ = subBuilder.buildPartial();\n"
+    "}\n");
+  printer->Print(variables_,
+    "$set_has_field_bit_message$;\n");
+}
+
+void MessageFieldGenerator::
+GenerateParsingDoneCode(io::Printer* printer) const {
+  // noop for messages.
+}
+
+void MessageFieldGenerator::
+GenerateSerializationCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if ($get_has_field_bit_message$) {\n"
+    "  output.write$group_or_message$($number$, $name$_);\n"
+    "}\n");
+}
+
+void MessageFieldGenerator::
+GenerateSerializedSizeCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if ($get_has_field_bit_message$) {\n"
+    "  size += com.google.protobuf.CodedOutputStream\n"
+    "    .compute$group_or_message$Size($number$, $name$_);\n"
+    "}\n");
+}
+
+void MessageFieldGenerator::
+GenerateEqualsCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "result = result && get$capitalized_name$()\n"
+    "    .equals(other.get$capitalized_name$());\n");
+}
+
+void MessageFieldGenerator::
+GenerateHashCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "hash = (37 * hash) + $constant_name$;\n"
+    "hash = (53 * hash) + get$capitalized_name$().hashCode();\n");
+}
+
+string MessageFieldGenerator::GetBoxedType() const {
+  return ClassName(descriptor_->message_type());
+}
+
+// ===================================================================
+
+RepeatedMessageFieldGenerator::
+RepeatedMessageFieldGenerator(const FieldDescriptor* descriptor,
+                              int messageBitIndex,
+                              int builderBitIndex)
+  : descriptor_(descriptor), messageBitIndex_(messageBitIndex),
+    builderBitIndex_(builderBitIndex) {
+  SetMessageVariables(descriptor, messageBitIndex, builderBitIndex,
+                      &variables_);
+}
+
+RepeatedMessageFieldGenerator::~RepeatedMessageFieldGenerator() {}
+
+int RepeatedMessageFieldGenerator::GetNumBitsForMessage() const {
+  return 0;
+}
+
+int RepeatedMessageFieldGenerator::GetNumBitsForBuilder() const {
+  return 1;
+}
+
+void RepeatedMessageFieldGenerator::
+GenerateInterfaceMembers(io::Printer* printer) const {
+  // TODO(jonp): In the future, consider having methods specific to the
+  // interface so that builders can choose dynamically to either return a
+  // message or a nested builder, so that asking for the interface doesn't
+  // cause a message to ever be built.
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$java.util.List<$type$> \n"
+    "    get$capitalized_name$List();\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$$type$ get$capitalized_name$(int index);\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$int get$capitalized_name$Count();\n");
+  if (HasNestedBuilders(descriptor_->containing_type())) {
+    WriteFieldDocComment(printer, descriptor_);
+    printer->Print(variables_,
+      "$deprecation$java.util.List<? extends $type$OrBuilder> \n"
+      "    get$capitalized_name$OrBuilderList();\n");
+    WriteFieldDocComment(printer, descriptor_);
+    printer->Print(variables_,
+      "$deprecation$$type$OrBuilder get$capitalized_name$OrBuilder(\n"
+      "    int index);\n");
+  }
+}
+
+void RepeatedMessageFieldGenerator::
+GenerateMembers(io::Printer* printer) const {
+  printer->Print(variables_,
+    "private java.util.List<$type$> $name$_;\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public java.util.List<$type$> get$capitalized_name$List() {\n"
+    "  return $name$_;\n"   // note:  unmodifiable list
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public java.util.List<? extends $type$OrBuilder> \n"
+    "    get$capitalized_name$OrBuilderList() {\n"
+    "  return $name$_;\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public int get$capitalized_name$Count() {\n"
+    "  return $name$_.size();\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public $type$ get$capitalized_name$(int index) {\n"
+    "  return $name$_.get(index);\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public $type$OrBuilder get$capitalized_name$OrBuilder(\n"
+    "    int index) {\n"
+    "  return $name$_.get(index);\n"
+    "}\n");
+
+}
+
+void RepeatedMessageFieldGenerator::PrintNestedBuilderCondition(
+    io::Printer* printer,
+    const char* regular_case,
+    const char* nested_builder_case) const {
+  if (HasNestedBuilders(descriptor_->containing_type())) {
+     printer->Print(variables_, "if ($name$Builder_ == null) {\n");
+     printer->Indent();
+     printer->Print(variables_, regular_case);
+     printer->Outdent();
+     printer->Print("} else {\n");
+     printer->Indent();
+     printer->Print(variables_, nested_builder_case);
+     printer->Outdent();
+     printer->Print("}\n");
+   } else {
+     printer->Print(variables_, regular_case);
+   }
+}
+
+void RepeatedMessageFieldGenerator::PrintNestedBuilderFunction(
+    io::Printer* printer,
+    const char* method_prototype,
+    const char* regular_case,
+    const char* nested_builder_case,
+    const char* trailing_code) const {
+  printer->Print(variables_, method_prototype);
+  printer->Print(" {\n");
+  printer->Indent();
+  PrintNestedBuilderCondition(printer, regular_case, nested_builder_case);
+  if (trailing_code != NULL) {
+    printer->Print(variables_, trailing_code);
+  }
+  printer->Outdent();
+  printer->Print("}\n");
+}
+
+void RepeatedMessageFieldGenerator::
+GenerateBuilderMembers(io::Printer* printer) const {
+  // When using nested-builders, the code initially works just like the
+  // non-nested builder case. It only creates a nested builder lazily on
+  // demand and then forever delegates to it after creation.
+
+  printer->Print(variables_,
+    // Used when the builder is null.
+    // One field is the list and the other field keeps track of whether the
+    // list is immutable. If it's immutable, the invariant is that it must
+    // either an instance of Collections.emptyList() or it's an ArrayList
+    // wrapped in a Collections.unmodifiableList() wrapper and nobody else has
+    // a refererence to the underlying ArrayList. This invariant allows us to
+    // share instances of lists between protocol buffers avoiding expensive
+    // memory allocations. Note, immutable is a strong guarantee here -- not
+    // just that the list cannot be modified via the reference but that the
+    // list can never be modified.
+    "private java.util.List<$type$> $name$_ =\n"
+    "  java.util.Collections.emptyList();\n"
+
+    "private void ensure$capitalized_name$IsMutable() {\n"
+    "  if (!$get_mutable_bit_builder$) {\n"
+    "    $name$_ = new java.util.ArrayList<$type$>($name$_);\n"
+    "    $set_mutable_bit_builder$;\n"
+    "   }\n"
+    "}\n"
+    "\n");
+
+  if (HasNestedBuilders(descriptor_->containing_type())) {
+    printer->Print(variables_,
+      // If this builder is non-null, it is used and the other fields are
+      // ignored.
+      "private com.google.protobuf.RepeatedFieldBuilder<\n"
+      "    $type$, $type$.Builder, $type$OrBuilder> $name$Builder_;\n"
+      "\n");
+  }
+
+  // The comments above the methods below are based on a hypothetical
+  // repeated field of type "Field" called "RepeatedField".
+
+  // List<Field> getRepeatedFieldList()
+  WriteFieldDocComment(printer, descriptor_);
+  PrintNestedBuilderFunction(printer,
+    "$deprecation$public java.util.List<$type$> get$capitalized_name$List()",
+
+    "return java.util.Collections.unmodifiableList($name$_);\n",
+    "return $name$Builder_.getMessageList();\n",
+
+    NULL);
+
+  // int getRepeatedFieldCount()
+  WriteFieldDocComment(printer, descriptor_);
+  PrintNestedBuilderFunction(printer,
+    "$deprecation$public int get$capitalized_name$Count()",
+
+    "return $name$_.size();\n",
+    "return $name$Builder_.getCount();\n",
+
+    NULL);
+
+  // Field getRepeatedField(int index)
+  WriteFieldDocComment(printer, descriptor_);
+  PrintNestedBuilderFunction(printer,
+    "$deprecation$public $type$ get$capitalized_name$(int index)",
+
+    "return $name$_.get(index);\n",
+
+    "return $name$Builder_.getMessage(index);\n",
+
+    NULL);
+
+  // Builder setRepeatedField(int index, Field value)
+  WriteFieldDocComment(printer, descriptor_);
+  PrintNestedBuilderFunction(printer,
+    "$deprecation$public Builder set$capitalized_name$(\n"
+    "    int index, $type$ value)",
+    "if (value == null) {\n"
+    "  throw new NullPointerException();\n"
+    "}\n"
+    "ensure$capitalized_name$IsMutable();\n"
+    "$name$_.set(index, value);\n"
+    "$on_changed$\n",
+    "$name$Builder_.setMessage(index, value);\n",
+    "return this;\n");
+
+  // Builder setRepeatedField(int index, Field.Builder builderForValue)
+  WriteFieldDocComment(printer, descriptor_);
+  PrintNestedBuilderFunction(printer,
+    "$deprecation$public Builder set$capitalized_name$(\n"
+    "    int index, $type$.Builder builderForValue)",
+
+    "ensure$capitalized_name$IsMutable();\n"
+    "$name$_.set(index, builderForValue.build());\n"
+    "$on_changed$\n",
+
+    "$name$Builder_.setMessage(index, builderForValue.build());\n",
+
+    "return this;\n");
+
+  // Builder addRepeatedField(Field value)
+  WriteFieldDocComment(printer, descriptor_);
+  PrintNestedBuilderFunction(printer,
+    "$deprecation$public Builder add$capitalized_name$($type$ value)",
+
+    "if (value == null) {\n"
+    "  throw new NullPointerException();\n"
+    "}\n"
+    "ensure$capitalized_name$IsMutable();\n"
+    "$name$_.add(value);\n"
+
+    "$on_changed$\n",
+
+    "$name$Builder_.addMessage(value);\n",
+
+    "return this;\n");
+
+  // Builder addRepeatedField(int index, Field value)
+  WriteFieldDocComment(printer, descriptor_);
+  PrintNestedBuilderFunction(printer,
+    "$deprecation$public Builder add$capitalized_name$(\n"
+    "    int index, $type$ value)",
+
+    "if (value == null) {\n"
+    "  throw new NullPointerException();\n"
+    "}\n"
+    "ensure$capitalized_name$IsMutable();\n"
+    "$name$_.add(index, value);\n"
+    "$on_changed$\n",
+
+    "$name$Builder_.addMessage(index, value);\n",
+
+    "return this;\n");
+
+  // Builder addRepeatedField(Field.Builder builderForValue)
+  WriteFieldDocComment(printer, descriptor_);
+  PrintNestedBuilderFunction(printer,
+    "$deprecation$public Builder add$capitalized_name$(\n"
+    "    $type$.Builder builderForValue)",
+
+    "ensure$capitalized_name$IsMutable();\n"
+    "$name$_.add(builderForValue.build());\n"
+    "$on_changed$\n",
+
+    "$name$Builder_.addMessage(builderForValue.build());\n",
+
+    "return this;\n");
+
+  // Builder addRepeatedField(int index, Field.Builder builderForValue)
+  WriteFieldDocComment(printer, descriptor_);
+  PrintNestedBuilderFunction(printer,
+    "$deprecation$public Builder add$capitalized_name$(\n"
+    "    int index, $type$.Builder builderForValue)",
+
+    "ensure$capitalized_name$IsMutable();\n"
+    "$name$_.add(index, builderForValue.build());\n"
+    "$on_changed$\n",
+
+    "$name$Builder_.addMessage(index, builderForValue.build());\n",
+
+    "return this;\n");
+
+  // Builder addAllRepeatedField(Iterable<Field> values)
+  WriteFieldDocComment(printer, descriptor_);
+  PrintNestedBuilderFunction(printer,
+    "$deprecation$public Builder addAll$capitalized_name$(\n"
+    "    java.lang.Iterable<? extends $type$> values)",
+
+    "ensure$capitalized_name$IsMutable();\n"
+    "super.addAll(values, $name$_);\n"
+    "$on_changed$\n",
+
+    "$name$Builder_.addAllMessages(values);\n",
+
+    "return this;\n");
+
+  // Builder clearAllRepeatedField()
+  WriteFieldDocComment(printer, descriptor_);
+  PrintNestedBuilderFunction(printer,
+    "$deprecation$public Builder clear$capitalized_name$()",
+
+    "$name$_ = java.util.Collections.emptyList();\n"
+    "$clear_mutable_bit_builder$;\n"
+    "$on_changed$\n",
+
+    "$name$Builder_.clear();\n",
+
+    "return this;\n");
+
+  // Builder removeRepeatedField(int index)
+  WriteFieldDocComment(printer, descriptor_);
+  PrintNestedBuilderFunction(printer,
+    "$deprecation$public Builder remove$capitalized_name$(int index)",
+
+    "ensure$capitalized_name$IsMutable();\n"
+    "$name$_.remove(index);\n"
+    "$on_changed$\n",
+
+    "$name$Builder_.remove(index);\n",
+
+    "return this;\n");
+
+  if (HasNestedBuilders(descriptor_->containing_type())) {
+    WriteFieldDocComment(printer, descriptor_);
+    printer->Print(variables_,
+      "$deprecation$public $type$.Builder get$capitalized_name$Builder(\n"
+      "    int index) {\n"
+      "  return get$capitalized_name$FieldBuilder().getBuilder(index);\n"
+      "}\n");
+
+    WriteFieldDocComment(printer, descriptor_);
+        printer->Print(variables_,
+      "$deprecation$public $type$OrBuilder get$capitalized_name$OrBuilder(\n"
+      "    int index) {\n"
+      "  if ($name$Builder_ == null) {\n"
+      "    return $name$_.get(index);"
+      "  } else {\n"
+      "    return $name$Builder_.getMessageOrBuilder(index);\n"
+      "  }\n"
+      "}\n");
+
+    WriteFieldDocComment(printer, descriptor_);
+        printer->Print(variables_,
+      "$deprecation$public java.util.List<? extends $type$OrBuilder> \n"
+      "     get$capitalized_name$OrBuilderList() {\n"
+      "  if ($name$Builder_ != null) {\n"
+      "    return $name$Builder_.getMessageOrBuilderList();\n"
+      "  } else {\n"
+      "    return java.util.Collections.unmodifiableList($name$_);\n"
+      "  }\n"
+      "}\n");
+
+    WriteFieldDocComment(printer, descriptor_);
+        printer->Print(variables_,
+      "$deprecation$public $type$.Builder add$capitalized_name$Builder() {\n"
+      "  return get$capitalized_name$FieldBuilder().addBuilder(\n"
+      "      $type$.getDefaultInstance());\n"
+      "}\n");
+    WriteFieldDocComment(printer, descriptor_);
+        printer->Print(variables_,
+      "$deprecation$public $type$.Builder add$capitalized_name$Builder(\n"
+      "    int index) {\n"
+      "  return get$capitalized_name$FieldBuilder().addBuilder(\n"
+      "      index, $type$.getDefaultInstance());\n"
+      "}\n");
+    WriteFieldDocComment(printer, descriptor_);
+        printer->Print(variables_,
+      "$deprecation$public java.util.List<$type$.Builder> \n"
+      "     get$capitalized_name$BuilderList() {\n"
+      "  return get$capitalized_name$FieldBuilder().getBuilderList();\n"
+      "}\n"
+      "private com.google.protobuf.RepeatedFieldBuilder<\n"
+      "    $type$, $type$.Builder, $type$OrBuilder> \n"
+      "    get$capitalized_name$FieldBuilder() {\n"
+      "  if ($name$Builder_ == null) {\n"
+      "    $name$Builder_ = new com.google.protobuf.RepeatedFieldBuilder<\n"
+      "        $type$, $type$.Builder, $type$OrBuilder>(\n"
+      "            $name$_,\n"
+      "            $get_mutable_bit_builder$,\n"
+      "            getParentForChildren(),\n"
+      "            isClean());\n"
+      "    $name$_ = null;\n"
+      "  }\n"
+      "  return $name$Builder_;\n"
+      "}\n");
+  }
+}
+
+void RepeatedMessageFieldGenerator::
+GenerateFieldBuilderInitializationCode(io::Printer* printer)  const {
+  printer->Print(variables_,
+    "get$capitalized_name$FieldBuilder();\n");
+}
+
+void RepeatedMessageFieldGenerator::
+GenerateInitializationCode(io::Printer* printer) const {
+  printer->Print(variables_, "$name$_ = java.util.Collections.emptyList();\n");
+}
+
+void RepeatedMessageFieldGenerator::
+GenerateBuilderClearCode(io::Printer* printer) const {
+  PrintNestedBuilderCondition(printer,
+    "$name$_ = java.util.Collections.emptyList();\n"
+    "$clear_mutable_bit_builder$;\n",
+
+    "$name$Builder_.clear();\n");
+}
+
+void RepeatedMessageFieldGenerator::
+GenerateMergingCode(io::Printer* printer) const {
+  // The code below does two optimizations (non-nested builder case):
+  //   1. If the other list is empty, there's nothing to do. This ensures we
+  //      don't allocate a new array if we already have an immutable one.
+  //   2. If the other list is non-empty and our current list is empty, we can
+  //      reuse the other list which is guaranteed to be immutable.
+  PrintNestedBuilderCondition(printer,
+    "if (!other.$name$_.isEmpty()) {\n"
+    "  if ($name$_.isEmpty()) {\n"
+    "    $name$_ = other.$name$_;\n"
+    "    $clear_mutable_bit_builder$;\n"
+    "  } else {\n"
+    "    ensure$capitalized_name$IsMutable();\n"
+    "    $name$_.addAll(other.$name$_);\n"
+    "  }\n"
+    "  $on_changed$\n"
+    "}\n",
+
+    "if (!other.$name$_.isEmpty()) {\n"
+    "  if ($name$Builder_.isEmpty()) {\n"
+    "    $name$Builder_.dispose();\n"
+    "    $name$Builder_ = null;\n"
+    "    $name$_ = other.$name$_;\n"
+    "    $clear_mutable_bit_builder$;\n"
+    "    $name$Builder_ = \n"
+    "      com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders ?\n"
+    "         get$capitalized_name$FieldBuilder() : null;\n"
+    "  } else {\n"
+    "    $name$Builder_.addAllMessages(other.$name$_);\n"
+    "  }\n"
+    "}\n");
+}
+
+void RepeatedMessageFieldGenerator::
+GenerateBuildingCode(io::Printer* printer) const {
+  // The code below (non-nested builder case) ensures that the result has an
+  // immutable list. If our list is immutable, we can just reuse it. If not,
+  // we make it immutable.
+  PrintNestedBuilderCondition(printer,
+    "if ($get_mutable_bit_builder$) {\n"
+    "  $name$_ = java.util.Collections.unmodifiableList($name$_);\n"
+    "  $clear_mutable_bit_builder$;\n"
+    "}\n"
+    "result.$name$_ = $name$_;\n",
+
+    "result.$name$_ = $name$Builder_.build();\n");
+}
+
+void RepeatedMessageFieldGenerator::
+GenerateParsingCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if (!$get_mutable_bit_parser$) {\n"
+    "  $name$_ = new java.util.ArrayList<$type$>();\n"
+    "  $set_mutable_bit_parser$;\n"
+    "}\n");
+
+  if (GetType(descriptor_) == FieldDescriptor::TYPE_GROUP) {
+    printer->Print(variables_,
+      "$name$_.add(input.readGroup($number$, $type$.PARSER,\n"
+      "    extensionRegistry));\n");
+  } else {
+    printer->Print(variables_,
+      "$name$_.add(input.readMessage($type$.PARSER, extensionRegistry));\n");
+  }
+}
+
+void RepeatedMessageFieldGenerator::
+GenerateParsingDoneCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if ($get_mutable_bit_parser$) {\n"
+    "  $name$_ = java.util.Collections.unmodifiableList($name$_);\n"
+    "}\n");
+}
+
+void RepeatedMessageFieldGenerator::
+GenerateSerializationCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "for (int i = 0; i < $name$_.size(); i++) {\n"
+    "  output.write$group_or_message$($number$, $name$_.get(i));\n"
+    "}\n");
+}
+
+void RepeatedMessageFieldGenerator::
+GenerateSerializedSizeCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "for (int i = 0; i < $name$_.size(); i++) {\n"
+    "  size += com.google.protobuf.CodedOutputStream\n"
+    "    .compute$group_or_message$Size($number$, $name$_.get(i));\n"
+    "}\n");
+}
+
+void RepeatedMessageFieldGenerator::
+GenerateEqualsCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "result = result && get$capitalized_name$List()\n"
+    "    .equals(other.get$capitalized_name$List());\n");
+}
+
+void RepeatedMessageFieldGenerator::
+GenerateHashCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if (get$capitalized_name$Count() > 0) {\n"
+    "  hash = (37 * hash) + $constant_name$;\n"
+    "  hash = (53 * hash) + get$capitalized_name$List().hashCode();\n"
+    "}\n");
+}
+
+string RepeatedMessageFieldGenerator::GetBoxedType() const {
+  return ClassName(descriptor_->message_type());
+}
+
+}  // namespace java
+}  // namespace compiler
+}  // namespace protobuf
+}  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_message_field.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_message_field.h
similarity index 69%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_message_field.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_message_field.h
index 66bdd884..5c8078a1 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_message_field.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_message_field.h
@@ -46,50 +46,86 @@ namespace java {
 
 class MessageFieldGenerator : public FieldGenerator {
  public:
-  explicit MessageFieldGenerator(const FieldDescriptor* descriptor);
+  explicit MessageFieldGenerator(const FieldDescriptor* descriptor,
+      int messageBitIndex, int builderBitIndex);
   ~MessageFieldGenerator();
 
   // implements FieldGenerator ---------------------------------------
+  int GetNumBitsForMessage() const;
+  int GetNumBitsForBuilder() const;
+  void GenerateInterfaceMembers(io::Printer* printer) const;
   void GenerateMembers(io::Printer* printer) const;
   void GenerateBuilderMembers(io::Printer* printer) const;
   void GenerateInitializationCode(io::Printer* printer) const;
+  void GenerateBuilderClearCode(io::Printer* printer) const;
   void GenerateMergingCode(io::Printer* printer) const;
   void GenerateBuildingCode(io::Printer* printer) const;
   void GenerateParsingCode(io::Printer* printer) const;
+  void GenerateParsingDoneCode(io::Printer* printer) const;
   void GenerateSerializationCode(io::Printer* printer) const;
   void GenerateSerializedSizeCode(io::Printer* printer) const;
+  void GenerateFieldBuilderInitializationCode(io::Printer* printer) const;
+  void GenerateEqualsCode(io::Printer* printer) const;
+  void GenerateHashCode(io::Printer* printer) const;
 
   string GetBoxedType() const;
 
  private:
   const FieldDescriptor* descriptor_;
   map<string, string> variables_;
+  const int messageBitIndex_;
+  const int builderBitIndex_;
 
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(MessageFieldGenerator);
+
+  void PrintNestedBuilderCondition(io::Printer* printer,
+      const char* regular_case, const char* nested_builder_case) const;
+  void PrintNestedBuilderFunction(io::Printer* printer,
+      const char* method_prototype, const char* regular_case,
+      const char* nested_builder_case,
+      const char* trailing_code) const;
 };
 
 class RepeatedMessageFieldGenerator : public FieldGenerator {
  public:
-  explicit RepeatedMessageFieldGenerator(const FieldDescriptor* descriptor);
+  explicit RepeatedMessageFieldGenerator(const FieldDescriptor* descriptor,
+      int messageBitIndex, int builderBitIndex);
   ~RepeatedMessageFieldGenerator();
 
   // implements FieldGenerator ---------------------------------------
+  int GetNumBitsForMessage() const;
+  int GetNumBitsForBuilder() const;
+  void GenerateInterfaceMembers(io::Printer* printer) const;
   void GenerateMembers(io::Printer* printer) const;
   void GenerateBuilderMembers(io::Printer* printer) const;
   void GenerateInitializationCode(io::Printer* printer) const;
+  void GenerateBuilderClearCode(io::Printer* printer) const;
   void GenerateMergingCode(io::Printer* printer) const;
   void GenerateBuildingCode(io::Printer* printer) const;
   void GenerateParsingCode(io::Printer* printer) const;
+  void GenerateParsingDoneCode(io::Printer* printer) const;
   void GenerateSerializationCode(io::Printer* printer) const;
   void GenerateSerializedSizeCode(io::Printer* printer) const;
+  void GenerateFieldBuilderInitializationCode(io::Printer* printer) const;
+  void GenerateEqualsCode(io::Printer* printer) const;
+  void GenerateHashCode(io::Printer* printer) const;
 
   string GetBoxedType() const;
 
  private:
   const FieldDescriptor* descriptor_;
   map<string, string> variables_;
+  const int messageBitIndex_;
+  const int builderBitIndex_;
 
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(RepeatedMessageFieldGenerator);
+
+  void PrintNestedBuilderCondition(io::Printer* printer,
+      const char* regular_case, const char* nested_builder_case) const;
+  void PrintNestedBuilderFunction(io::Printer* printer,
+      const char* method_prototype, const char* regular_case,
+      const char* nested_builder_case,
+      const char* trailing_code) const;
 };
 
 }  // namespace java
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_plugin_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_plugin_unittest.cc
similarity index 86%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_plugin_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_plugin_unittest.cc
index cfe01885..ccc94c9d 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_plugin_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_plugin_unittest.cc
@@ -56,21 +56,22 @@ class TestGenerator : public CodeGenerator {
 
   virtual bool Generate(const FileDescriptor* file,
                         const string& parameter,
-                        OutputDirectory* output_directory,
+                        GeneratorContext* context,
                         string* error) const {
-    TryInsert("Test.java", "outer_class_scope", output_directory);
-    TryInsert("Test.java", "class_scope:foo.Bar", output_directory);
-    TryInsert("Test.java", "class_scope:foo.Bar.Baz", output_directory);
-    TryInsert("Test.java", "builder_scope:foo.Bar", output_directory);
-    TryInsert("Test.java", "builder_scope:foo.Bar.Baz", output_directory);
-    TryInsert("Test.java", "enum_scope:foo.Qux", output_directory);
+    string filename = "Test.java";
+    TryInsert(filename, "outer_class_scope", context);
+    TryInsert(filename, "class_scope:foo.Bar", context);
+    TryInsert(filename, "class_scope:foo.Bar.Baz", context);
+    TryInsert(filename, "builder_scope:foo.Bar", context);
+    TryInsert(filename, "builder_scope:foo.Bar.Baz", context);
+    TryInsert(filename, "enum_scope:foo.Qux", context);
     return true;
   }
 
   void TryInsert(const string& filename, const string& insertion_point,
-                 OutputDirectory* output_directory) const {
+                 GeneratorContext* context) const {
     scoped_ptr<io::ZeroCopyOutputStream> output(
-      output_directory->OpenForInsert(filename, insertion_point));
+      context->OpenForInsert(filename, insertion_point));
     io::Printer printer(output.get(), '$');
     printer.Print("// inserted $name$\n", "name", insertion_point);
   }
diff --git a/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_primitive_field.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_primitive_field.cc
new file mode 100644
index 00000000..0140e23f
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_primitive_field.cc
@@ -0,0 +1,787 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Author: kenton@google.com (Kenton Varda)
+//  Based on original Protocol Buffers design by
+//  Sanjay Ghemawat, Jeff Dean, and others.
+
+#include <map>
+#include <string>
+
+#include <google/protobuf/compiler/java/java_primitive_field.h>
+#include <google/protobuf/compiler/java/java_doc_comment.h>
+#include <google/protobuf/stubs/common.h>
+#include <google/protobuf/compiler/java/java_helpers.h>
+#include <google/protobuf/io/printer.h>
+#include <google/protobuf/wire_format.h>
+#include <google/protobuf/stubs/strutil.h>
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+namespace java {
+
+using internal::WireFormat;
+using internal::WireFormatLite;
+
+namespace {
+
+const char* PrimitiveTypeName(JavaType type) {
+  switch (type) {
+    case JAVATYPE_INT    : return "int";
+    case JAVATYPE_LONG   : return "long";
+    case JAVATYPE_FLOAT  : return "float";
+    case JAVATYPE_DOUBLE : return "double";
+    case JAVATYPE_BOOLEAN: return "boolean";
+    case JAVATYPE_STRING : return "java.lang.String";
+    case JAVATYPE_BYTES  : return "com.google.protobuf.ByteString";
+    case JAVATYPE_ENUM   : return NULL;
+    case JAVATYPE_MESSAGE: return NULL;
+
+    // No default because we want the compiler to complain if any new
+    // JavaTypes are added.
+  }
+
+  GOOGLE_LOG(FATAL) << "Can't get here.";
+  return NULL;
+}
+
+bool IsReferenceType(JavaType type) {
+  switch (type) {
+    case JAVATYPE_INT    : return false;
+    case JAVATYPE_LONG   : return false;
+    case JAVATYPE_FLOAT  : return false;
+    case JAVATYPE_DOUBLE : return false;
+    case JAVATYPE_BOOLEAN: return false;
+    case JAVATYPE_STRING : return true;
+    case JAVATYPE_BYTES  : return true;
+    case JAVATYPE_ENUM   : return true;
+    case JAVATYPE_MESSAGE: return true;
+
+    // No default because we want the compiler to complain if any new
+    // JavaTypes are added.
+  }
+
+  GOOGLE_LOG(FATAL) << "Can't get here.";
+  return false;
+}
+
+const char* GetCapitalizedType(const FieldDescriptor* field) {
+  switch (GetType(field)) {
+    case FieldDescriptor::TYPE_INT32   : return "Int32"   ;
+    case FieldDescriptor::TYPE_UINT32  : return "UInt32"  ;
+    case FieldDescriptor::TYPE_SINT32  : return "SInt32"  ;
+    case FieldDescriptor::TYPE_FIXED32 : return "Fixed32" ;
+    case FieldDescriptor::TYPE_SFIXED32: return "SFixed32";
+    case FieldDescriptor::TYPE_INT64   : return "Int64"   ;
+    case FieldDescriptor::TYPE_UINT64  : return "UInt64"  ;
+    case FieldDescriptor::TYPE_SINT64  : return "SInt64"  ;
+    case FieldDescriptor::TYPE_FIXED64 : return "Fixed64" ;
+    case FieldDescriptor::TYPE_SFIXED64: return "SFixed64";
+    case FieldDescriptor::TYPE_FLOAT   : return "Float"   ;
+    case FieldDescriptor::TYPE_DOUBLE  : return "Double"  ;
+    case FieldDescriptor::TYPE_BOOL    : return "Bool"    ;
+    case FieldDescriptor::TYPE_STRING  : return "String"  ;
+    case FieldDescriptor::TYPE_BYTES   : return "Bytes"   ;
+    case FieldDescriptor::TYPE_ENUM    : return "Enum"    ;
+    case FieldDescriptor::TYPE_GROUP   : return "Group"   ;
+    case FieldDescriptor::TYPE_MESSAGE : return "Message" ;
+
+    // No default because we want the compiler to complain if any new
+    // types are added.
+  }
+
+  GOOGLE_LOG(FATAL) << "Can't get here.";
+  return NULL;
+}
+
+// For encodings with fixed sizes, returns that size in bytes.  Otherwise
+// returns -1.
+int FixedSize(FieldDescriptor::Type type) {
+  switch (type) {
+    case FieldDescriptor::TYPE_INT32   : return -1;
+    case FieldDescriptor::TYPE_INT64   : return -1;
+    case FieldDescriptor::TYPE_UINT32  : return -1;
+    case FieldDescriptor::TYPE_UINT64  : return -1;
+    case FieldDescriptor::TYPE_SINT32  : return -1;
+    case FieldDescriptor::TYPE_SINT64  : return -1;
+    case FieldDescriptor::TYPE_FIXED32 : return WireFormatLite::kFixed32Size;
+    case FieldDescriptor::TYPE_FIXED64 : return WireFormatLite::kFixed64Size;
+    case FieldDescriptor::TYPE_SFIXED32: return WireFormatLite::kSFixed32Size;
+    case FieldDescriptor::TYPE_SFIXED64: return WireFormatLite::kSFixed64Size;
+    case FieldDescriptor::TYPE_FLOAT   : return WireFormatLite::kFloatSize;
+    case FieldDescriptor::TYPE_DOUBLE  : return WireFormatLite::kDoubleSize;
+
+    case FieldDescriptor::TYPE_BOOL    : return WireFormatLite::kBoolSize;
+    case FieldDescriptor::TYPE_ENUM    : return -1;
+
+    case FieldDescriptor::TYPE_STRING  : return -1;
+    case FieldDescriptor::TYPE_BYTES   : return -1;
+    case FieldDescriptor::TYPE_GROUP   : return -1;
+    case FieldDescriptor::TYPE_MESSAGE : return -1;
+
+    // No default because we want the compiler to complain if any new
+    // types are added.
+  }
+  GOOGLE_LOG(FATAL) << "Can't get here.";
+  return -1;
+}
+
+void SetPrimitiveVariables(const FieldDescriptor* descriptor,
+                           int messageBitIndex,
+                           int builderBitIndex,
+                           map<string, string>* variables) {
+  (*variables)["name"] =
+    UnderscoresToCamelCase(descriptor);
+  (*variables)["capitalized_name"] =
+    UnderscoresToCapitalizedCamelCase(descriptor);
+  (*variables)["constant_name"] = FieldConstantName(descriptor);
+  (*variables)["number"] = SimpleItoa(descriptor->number());
+  (*variables)["type"] = PrimitiveTypeName(GetJavaType(descriptor));
+  (*variables)["boxed_type"] = BoxedPrimitiveTypeName(GetJavaType(descriptor));
+  (*variables)["field_type"] = (*variables)["type"];
+  (*variables)["field_list_type"] = "java.util.List<" +
+      (*variables)["boxed_type"] + ">";
+  (*variables)["empty_list"] = "java.util.Collections.emptyList()";
+  (*variables)["default"] = DefaultValue(descriptor);
+  (*variables)["default_init"] = IsDefaultValueJavaDefault(descriptor) ?
+      "" : ("= " + DefaultValue(descriptor));
+  (*variables)["capitalized_type"] = GetCapitalizedType(descriptor);
+  (*variables)["tag"] = SimpleItoa(WireFormat::MakeTag(descriptor));
+  (*variables)["tag_size"] = SimpleItoa(
+      WireFormat::TagSize(descriptor->number(), GetType(descriptor)));
+  if (IsReferenceType(GetJavaType(descriptor))) {
+    (*variables)["null_check"] =
+        "  if (value == null) {\n"
+        "    throw new NullPointerException();\n"
+        "  }\n";
+  } else {
+    (*variables)["null_check"] = "";
+  }
+  // TODO(birdo): Add @deprecated javadoc when generating javadoc is supported
+  // by the proto compiler
+  (*variables)["deprecation"] = descriptor->options().deprecated()
+      ? "@java.lang.Deprecated " : "";
+  int fixed_size = FixedSize(GetType(descriptor));
+  if (fixed_size != -1) {
+    (*variables)["fixed_size"] = SimpleItoa(fixed_size);
+  }
+  (*variables)["on_changed"] =
+      HasDescriptorMethods(descriptor->containing_type()) ? "onChanged();" : "";
+
+  // For singular messages and builders, one bit is used for the hasField bit.
+  (*variables)["get_has_field_bit_message"] = GenerateGetBit(messageBitIndex);
+  (*variables)["set_has_field_bit_message"] = GenerateSetBit(messageBitIndex);
+
+  (*variables)["get_has_field_bit_builder"] = GenerateGetBit(builderBitIndex);
+  (*variables)["set_has_field_bit_builder"] = GenerateSetBit(builderBitIndex);
+  (*variables)["clear_has_field_bit_builder"] =
+      GenerateClearBit(builderBitIndex);
+
+  // For repated builders, one bit is used for whether the array is immutable.
+  (*variables)["get_mutable_bit_builder"] = GenerateGetBit(builderBitIndex);
+  (*variables)["set_mutable_bit_builder"] = GenerateSetBit(builderBitIndex);
+  (*variables)["clear_mutable_bit_builder"] = GenerateClearBit(builderBitIndex);
+
+  // For repeated fields, one bit is used for whether the array is immutable
+  // in the parsing constructor.
+  (*variables)["get_mutable_bit_parser"] =
+      GenerateGetBitMutableLocal(builderBitIndex);
+  (*variables)["set_mutable_bit_parser"] =
+      GenerateSetBitMutableLocal(builderBitIndex);
+
+  (*variables)["get_has_field_bit_from_local"] =
+      GenerateGetBitFromLocal(builderBitIndex);
+  (*variables)["set_has_field_bit_to_local"] =
+      GenerateSetBitToLocal(messageBitIndex);
+}
+
+}  // namespace
+
+// ===================================================================
+
+PrimitiveFieldGenerator::
+PrimitiveFieldGenerator(const FieldDescriptor* descriptor,
+                        int messageBitIndex,
+                        int builderBitIndex)
+  : descriptor_(descriptor), messageBitIndex_(messageBitIndex),
+    builderBitIndex_(builderBitIndex) {
+  SetPrimitiveVariables(descriptor, messageBitIndex, builderBitIndex,
+                        &variables_);
+}
+
+PrimitiveFieldGenerator::~PrimitiveFieldGenerator() {}
+
+int PrimitiveFieldGenerator::GetNumBitsForMessage() const {
+  return 1;
+}
+
+int PrimitiveFieldGenerator::GetNumBitsForBuilder() const {
+  return 1;
+}
+
+void PrimitiveFieldGenerator::
+GenerateInterfaceMembers(io::Printer* printer) const {
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$boolean has$capitalized_name$();\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$$type$ get$capitalized_name$();\n");
+}
+
+void PrimitiveFieldGenerator::
+GenerateMembers(io::Printer* printer) const {
+  printer->Print(variables_,
+    "private $field_type$ $name$_;\n");
+
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public boolean has$capitalized_name$() {\n"
+    "  return $get_has_field_bit_message$;\n"
+    "}\n");
+
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public $type$ get$capitalized_name$() {\n"
+    "  return $name$_;\n"
+    "}\n");
+}
+
+void PrimitiveFieldGenerator::
+GenerateBuilderMembers(io::Printer* printer) const {
+  printer->Print(variables_,
+    "private $field_type$ $name$_ $default_init$;\n");
+
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public boolean has$capitalized_name$() {\n"
+    "  return $get_has_field_bit_builder$;\n"
+    "}\n");
+
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public $type$ get$capitalized_name$() {\n"
+    "  return $name$_;\n"
+    "}\n");
+
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public Builder set$capitalized_name$($type$ value) {\n"
+    "$null_check$"
+    "  $set_has_field_bit_builder$;\n"
+    "  $name$_ = value;\n"
+    "  $on_changed$\n"
+    "  return this;\n"
+    "}\n");
+
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public Builder clear$capitalized_name$() {\n"
+    "  $clear_has_field_bit_builder$;\n");
+  JavaType type = GetJavaType(descriptor_);
+  if (type == JAVATYPE_STRING || type == JAVATYPE_BYTES) {
+    // The default value is not a simple literal so we want to avoid executing
+    // it multiple times.  Instead, get the default out of the default instance.
+    printer->Print(variables_,
+      "  $name$_ = getDefaultInstance().get$capitalized_name$();\n");
+  } else {
+    printer->Print(variables_,
+      "  $name$_ = $default$;\n");
+  }
+  printer->Print(variables_,
+    "  $on_changed$\n"
+    "  return this;\n"
+    "}\n");
+}
+
+void PrimitiveFieldGenerator::
+GenerateFieldBuilderInitializationCode(io::Printer* printer)  const {
+  // noop for primitives
+}
+
+void PrimitiveFieldGenerator::
+GenerateInitializationCode(io::Printer* printer) const {
+  printer->Print(variables_, "$name$_ = $default$;\n");
+}
+
+void PrimitiveFieldGenerator::
+GenerateBuilderClearCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "$name$_ = $default$;\n"
+    "$clear_has_field_bit_builder$;\n");
+}
+
+void PrimitiveFieldGenerator::
+GenerateMergingCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if (other.has$capitalized_name$()) {\n"
+    "  set$capitalized_name$(other.get$capitalized_name$());\n"
+    "}\n");
+}
+
+void PrimitiveFieldGenerator::
+GenerateBuildingCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if ($get_has_field_bit_from_local$) {\n"
+    "  $set_has_field_bit_to_local$;\n"
+    "}\n"
+    "result.$name$_ = $name$_;\n");
+}
+
+void PrimitiveFieldGenerator::
+GenerateParsingCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "$set_has_field_bit_message$;\n"
+    "$name$_ = input.read$capitalized_type$();\n");
+}
+
+void PrimitiveFieldGenerator::
+GenerateParsingDoneCode(io::Printer* printer) const {
+  // noop for primitives.
+}
+
+void PrimitiveFieldGenerator::
+GenerateSerializationCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if ($get_has_field_bit_message$) {\n"
+    "  output.write$capitalized_type$($number$, $name$_);\n"
+    "}\n");
+}
+
+void PrimitiveFieldGenerator::
+GenerateSerializedSizeCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if ($get_has_field_bit_message$) {\n"
+    "  size += com.google.protobuf.CodedOutputStream\n"
+    "    .compute$capitalized_type$Size($number$, $name$_);\n"
+    "}\n");
+}
+
+void PrimitiveFieldGenerator::
+GenerateEqualsCode(io::Printer* printer) const {
+  switch (GetJavaType(descriptor_)) {
+    case JAVATYPE_INT:
+    case JAVATYPE_LONG:
+    case JAVATYPE_BOOLEAN:
+      printer->Print(variables_,
+        "result = result && (get$capitalized_name$()\n"
+        "    == other.get$capitalized_name$());\n");
+      break;
+
+    case JAVATYPE_FLOAT:
+      printer->Print(variables_,
+        "result = result && (Float.floatToIntBits(get$capitalized_name$())"
+        "    == Float.floatToIntBits(other.get$capitalized_name$()));\n");
+      break;
+
+    case JAVATYPE_DOUBLE:
+      printer->Print(variables_,
+        "result = result && (Double.doubleToLongBits(get$capitalized_name$())"
+        "    == Double.doubleToLongBits(other.get$capitalized_name$()));\n");
+      break;
+
+    case JAVATYPE_STRING:
+    case JAVATYPE_BYTES:
+      printer->Print(variables_,
+        "result = result && get$capitalized_name$()\n"
+        "    .equals(other.get$capitalized_name$());\n");
+      break;
+
+    case JAVATYPE_ENUM:
+    case JAVATYPE_MESSAGE:
+    default:
+      GOOGLE_LOG(FATAL) << "Can't get here.";
+      break;
+  }
+}
+
+void PrimitiveFieldGenerator::
+GenerateHashCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "hash = (37 * hash) + $constant_name$;\n");
+  switch (GetJavaType(descriptor_)) {
+    case JAVATYPE_INT:
+      printer->Print(variables_,
+        "hash = (53 * hash) + get$capitalized_name$();\n");
+      break;
+
+    case JAVATYPE_LONG:
+      printer->Print(variables_,
+        "hash = (53 * hash) + hashLong(get$capitalized_name$());\n");
+      break;
+
+    case JAVATYPE_BOOLEAN:
+      printer->Print(variables_,
+        "hash = (53 * hash) + hashBoolean(get$capitalized_name$());\n");
+      break;
+
+    case JAVATYPE_FLOAT:
+      printer->Print(variables_,
+        "hash = (53 * hash) + Float.floatToIntBits(\n"
+        "    get$capitalized_name$());\n");
+      break;
+
+    case JAVATYPE_DOUBLE:
+      printer->Print(variables_,
+        "hash = (53 * hash) + hashLong(\n"
+        "    Double.doubleToLongBits(get$capitalized_name$()));\n");
+      break;
+
+    case JAVATYPE_STRING:
+    case JAVATYPE_BYTES:
+      printer->Print(variables_,
+        "hash = (53 * hash) + get$capitalized_name$().hashCode();\n");
+      break;
+
+    case JAVATYPE_ENUM:
+    case JAVATYPE_MESSAGE:
+    default:
+      GOOGLE_LOG(FATAL) << "Can't get here.";
+      break;
+  }
+}
+
+string PrimitiveFieldGenerator::GetBoxedType() const {
+  return BoxedPrimitiveTypeName(GetJavaType(descriptor_));
+}
+
+// ===================================================================
+
+RepeatedPrimitiveFieldGenerator::
+RepeatedPrimitiveFieldGenerator(const FieldDescriptor* descriptor,
+                                int messageBitIndex,
+                                int builderBitIndex)
+  : descriptor_(descriptor), messageBitIndex_(messageBitIndex),
+    builderBitIndex_(builderBitIndex) {
+  SetPrimitiveVariables(descriptor, messageBitIndex, builderBitIndex,
+                        &variables_);
+}
+
+RepeatedPrimitiveFieldGenerator::~RepeatedPrimitiveFieldGenerator() {}
+
+int RepeatedPrimitiveFieldGenerator::GetNumBitsForMessage() const {
+  return 0;
+}
+
+int RepeatedPrimitiveFieldGenerator::GetNumBitsForBuilder() const {
+  return 1;
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateInterfaceMembers(io::Printer* printer) const {
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$java.util.List<$boxed_type$> get$capitalized_name$List();\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$int get$capitalized_name$Count();\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$$type$ get$capitalized_name$(int index);\n");
+}
+
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateMembers(io::Printer* printer) const {
+  printer->Print(variables_,
+    "private $field_list_type$ $name$_;\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public java.util.List<$boxed_type$>\n"
+    "    get$capitalized_name$List() {\n"
+    "  return $name$_;\n"   // note:  unmodifiable list
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public int get$capitalized_name$Count() {\n"
+    "  return $name$_.size();\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public $type$ get$capitalized_name$(int index) {\n"
+    "  return $name$_.get(index);\n"
+    "}\n");
+
+  if (descriptor_->options().packed() &&
+      HasGeneratedMethods(descriptor_->containing_type())) {
+    printer->Print(variables_,
+      "private int $name$MemoizedSerializedSize = -1;\n");
+  }
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateBuilderMembers(io::Printer* printer) const {
+  // One field is the list and the bit field keeps track of whether the
+  // list is immutable. If it's immutable, the invariant is that it must
+  // either an instance of Collections.emptyList() or it's an ArrayList
+  // wrapped in a Collections.unmodifiableList() wrapper and nobody else has
+  // a refererence to the underlying ArrayList. This invariant allows us to
+  // share instances of lists between protocol buffers avoiding expensive
+  // memory allocations. Note, immutable is a strong guarantee here -- not
+  // just that the list cannot be modified via the reference but that the
+  // list can never be modified.
+  printer->Print(variables_,
+    "private $field_list_type$ $name$_ = $empty_list$;\n");
+
+  printer->Print(variables_,
+    "private void ensure$capitalized_name$IsMutable() {\n"
+    "  if (!$get_mutable_bit_builder$) {\n"
+    "    $name$_ = new java.util.ArrayList<$boxed_type$>($name$_);\n"
+    "    $set_mutable_bit_builder$;\n"
+    "   }\n"
+    "}\n");
+
+    // Note:  We return an unmodifiable list because otherwise the caller
+    //   could hold on to the returned list and modify it after the message
+    //   has been built, thus mutating the message which is supposed to be
+    //   immutable.
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public java.util.List<$boxed_type$>\n"
+    "    get$capitalized_name$List() {\n"
+    "  return java.util.Collections.unmodifiableList($name$_);\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public int get$capitalized_name$Count() {\n"
+    "  return $name$_.size();\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public $type$ get$capitalized_name$(int index) {\n"
+    "  return $name$_.get(index);\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public Builder set$capitalized_name$(\n"
+    "    int index, $type$ value) {\n"
+    "$null_check$"
+    "  ensure$capitalized_name$IsMutable();\n"
+    "  $name$_.set(index, value);\n"
+    "  $on_changed$\n"
+    "  return this;\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public Builder add$capitalized_name$($type$ value) {\n"
+    "$null_check$"
+    "  ensure$capitalized_name$IsMutable();\n"
+    "  $name$_.add(value);\n"
+    "  $on_changed$\n"
+    "  return this;\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public Builder addAll$capitalized_name$(\n"
+    "    java.lang.Iterable<? extends $boxed_type$> values) {\n"
+    "  ensure$capitalized_name$IsMutable();\n"
+    "  super.addAll(values, $name$_);\n"
+    "  $on_changed$\n"
+    "  return this;\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public Builder clear$capitalized_name$() {\n"
+    "  $name$_ = $empty_list$;\n"
+    "  $clear_mutable_bit_builder$;\n"
+    "  $on_changed$\n"
+    "  return this;\n"
+    "}\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateFieldBuilderInitializationCode(io::Printer* printer)  const {
+  // noop for primitives
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateInitializationCode(io::Printer* printer) const {
+  printer->Print(variables_, "$name$_ = $empty_list$;\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateBuilderClearCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "$name$_ = $empty_list$;\n"
+    "$clear_mutable_bit_builder$;\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateMergingCode(io::Printer* printer) const {
+  // The code below does two optimizations:
+  //   1. If the other list is empty, there's nothing to do. This ensures we
+  //      don't allocate a new array if we already have an immutable one.
+  //   2. If the other list is non-empty and our current list is empty, we can
+  //      reuse the other list which is guaranteed to be immutable.
+  printer->Print(variables_,
+    "if (!other.$name$_.isEmpty()) {\n"
+    "  if ($name$_.isEmpty()) {\n"
+    "    $name$_ = other.$name$_;\n"
+    "    $clear_mutable_bit_builder$;\n"
+    "  } else {\n"
+    "    ensure$capitalized_name$IsMutable();\n"
+    "    $name$_.addAll(other.$name$_);\n"
+    "  }\n"
+    "  $on_changed$\n"
+    "}\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateBuildingCode(io::Printer* printer) const {
+  // The code below ensures that the result has an immutable list. If our
+  // list is immutable, we can just reuse it. If not, we make it immutable.
+  printer->Print(variables_,
+    "if ($get_mutable_bit_builder$) {\n"
+    "  $name$_ = java.util.Collections.unmodifiableList($name$_);\n"
+    "  $clear_mutable_bit_builder$;\n"
+    "}\n"
+    "result.$name$_ = $name$_;\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateParsingCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if (!$get_mutable_bit_parser$) {\n"
+    "  $name$_ = new java.util.ArrayList<$boxed_type$>();\n"
+    "  $set_mutable_bit_parser$;\n"
+    "}\n"
+    "$name$_.add(input.read$capitalized_type$());\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateParsingCodeFromPacked(io::Printer* printer) const {
+  printer->Print(variables_,
+    "int length = input.readRawVarint32();\n"
+    "int limit = input.pushLimit(length);\n"
+    "if (!$get_mutable_bit_parser$ && input.getBytesUntilLimit() > 0) {\n"
+    "  $name$_ = new java.util.ArrayList<$boxed_type$>();\n"
+    "  $set_mutable_bit_parser$;\n"
+    "}\n"
+    "while (input.getBytesUntilLimit() > 0) {\n"
+    "  $name$_.add(input.read$capitalized_type$());\n"
+    "}\n"
+    "input.popLimit(limit);\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateParsingDoneCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if ($get_mutable_bit_parser$) {\n"
+    "  $name$_ = java.util.Collections.unmodifiableList($name$_);\n"
+    "}\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateSerializationCode(io::Printer* printer) const {
+  if (descriptor_->options().packed()) {
+    printer->Print(variables_,
+      "if (get$capitalized_name$List().size() > 0) {\n"
+      "  output.writeRawVarint32($tag$);\n"
+      "  output.writeRawVarint32($name$MemoizedSerializedSize);\n"
+      "}\n"
+      "for (int i = 0; i < $name$_.size(); i++) {\n"
+      "  output.write$capitalized_type$NoTag($name$_.get(i));\n"
+      "}\n");
+  } else {
+    printer->Print(variables_,
+      "for (int i = 0; i < $name$_.size(); i++) {\n"
+      "  output.write$capitalized_type$($number$, $name$_.get(i));\n"
+      "}\n");
+  }
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateSerializedSizeCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "{\n"
+    "  int dataSize = 0;\n");
+  printer->Indent();
+
+  if (FixedSize(GetType(descriptor_)) == -1) {
+    printer->Print(variables_,
+      "for (int i = 0; i < $name$_.size(); i++) {\n"
+      "  dataSize += com.google.protobuf.CodedOutputStream\n"
+      "    .compute$capitalized_type$SizeNoTag($name$_.get(i));\n"
+      "}\n");
+  } else {
+    printer->Print(variables_,
+      "dataSize = $fixed_size$ * get$capitalized_name$List().size();\n");
+  }
+
+  printer->Print(
+      "size += dataSize;\n");
+
+  if (descriptor_->options().packed()) {
+    printer->Print(variables_,
+      "if (!get$capitalized_name$List().isEmpty()) {\n"
+      "  size += $tag_size$;\n"
+      "  size += com.google.protobuf.CodedOutputStream\n"
+      "      .computeInt32SizeNoTag(dataSize);\n"
+      "}\n");
+  } else {
+    printer->Print(variables_,
+      "size += $tag_size$ * get$capitalized_name$List().size();\n");
+  }
+
+  // cache the data size for packed fields.
+  if (descriptor_->options().packed()) {
+    printer->Print(variables_,
+      "$name$MemoizedSerializedSize = dataSize;\n");
+  }
+
+  printer->Outdent();
+  printer->Print("}\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateEqualsCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "result = result && get$capitalized_name$List()\n"
+    "    .equals(other.get$capitalized_name$List());\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateHashCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if (get$capitalized_name$Count() > 0) {\n"
+    "  hash = (37 * hash) + $constant_name$;\n"
+    "  hash = (53 * hash) + get$capitalized_name$List().hashCode();\n"
+    "}\n");
+}
+
+string RepeatedPrimitiveFieldGenerator::GetBoxedType() const {
+  return BoxedPrimitiveTypeName(GetJavaType(descriptor_));
+}
+
+}  // namespace java
+}  // namespace compiler
+}  // namespace protobuf
+}  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_primitive_field.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_primitive_field.h
similarity index 78%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_primitive_field.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_primitive_field.h
index 4e482a05..1b5b6d95 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_primitive_field.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_primitive_field.h
@@ -46,49 +46,71 @@ namespace java {
 
 class PrimitiveFieldGenerator : public FieldGenerator {
  public:
-  explicit PrimitiveFieldGenerator(const FieldDescriptor* descriptor);
+  explicit PrimitiveFieldGenerator(const FieldDescriptor* descriptor,
+      int messageBitIndex, int builderBitIndex);
   ~PrimitiveFieldGenerator();
 
   // implements FieldGenerator ---------------------------------------
+  int GetNumBitsForMessage() const;
+  int GetNumBitsForBuilder() const;
+  void GenerateInterfaceMembers(io::Printer* printer) const;
   void GenerateMembers(io::Printer* printer) const;
   void GenerateBuilderMembers(io::Printer* printer) const;
   void GenerateInitializationCode(io::Printer* printer) const;
+  void GenerateBuilderClearCode(io::Printer* printer) const;
   void GenerateMergingCode(io::Printer* printer) const;
   void GenerateBuildingCode(io::Printer* printer) const;
   void GenerateParsingCode(io::Printer* printer) const;
+  void GenerateParsingDoneCode(io::Printer* printer) const;
   void GenerateSerializationCode(io::Printer* printer) const;
   void GenerateSerializedSizeCode(io::Printer* printer) const;
+  void GenerateFieldBuilderInitializationCode(io::Printer* printer) const;
+  void GenerateEqualsCode(io::Printer* printer) const;
+  void GenerateHashCode(io::Printer* printer) const;
 
   string GetBoxedType() const;
 
  private:
   const FieldDescriptor* descriptor_;
   map<string, string> variables_;
+  const int messageBitIndex_;
+  const int builderBitIndex_;
 
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(PrimitiveFieldGenerator);
 };
 
 class RepeatedPrimitiveFieldGenerator : public FieldGenerator {
  public:
-  explicit RepeatedPrimitiveFieldGenerator(const FieldDescriptor* descriptor);
+  explicit RepeatedPrimitiveFieldGenerator(const FieldDescriptor* descriptor,
+      int messageBitIndex, int builderBitIndex);
   ~RepeatedPrimitiveFieldGenerator();
 
   // implements FieldGenerator ---------------------------------------
+  int GetNumBitsForMessage() const;
+  int GetNumBitsForBuilder() const;
+  void GenerateInterfaceMembers(io::Printer* printer) const;
   void GenerateMembers(io::Printer* printer) const;
   void GenerateBuilderMembers(io::Printer* printer) const;
   void GenerateInitializationCode(io::Printer* printer) const;
+  void GenerateBuilderClearCode(io::Printer* printer) const;
   void GenerateMergingCode(io::Printer* printer) const;
   void GenerateBuildingCode(io::Printer* printer) const;
   void GenerateParsingCode(io::Printer* printer) const;
   void GenerateParsingCodeFromPacked(io::Printer* printer) const;
+  void GenerateParsingDoneCode(io::Printer* printer) const;
   void GenerateSerializationCode(io::Printer* printer) const;
   void GenerateSerializedSizeCode(io::Printer* printer) const;
+  void GenerateFieldBuilderInitializationCode(io::Printer* printer) const;
+  void GenerateEqualsCode(io::Printer* printer) const;
+  void GenerateHashCode(io::Printer* printer) const;
 
   string GetBoxedType() const;
 
  private:
   const FieldDescriptor* descriptor_;
   map<string, string> variables_;
+  const int messageBitIndex_;
+  const int builderBitIndex_;
 
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(RepeatedPrimitiveFieldGenerator);
 };
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_service.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_service.cc
similarity index 97%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_service.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_service.cc
index 5545bf7f..bcd80359 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_service.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_service.cc
@@ -33,6 +33,7 @@
 //  Sanjay Ghemawat, Jeff Dean, and others.
 
 #include <google/protobuf/compiler/java/java_service.h>
+#include <google/protobuf/compiler/java/java_doc_comment.h>
 #include <google/protobuf/compiler/java/java_helpers.h>
 #include <google/protobuf/io/printer.h>
 #include <google/protobuf/descriptor.pb.h>
@@ -50,6 +51,7 @@ ServiceGenerator::~ServiceGenerator() {}
 
 void ServiceGenerator::Generate(io::Printer* printer) {
   bool is_own_file = descriptor_->file()->options().java_multiple_files();
+  WriteServiceDocComment(printer, descriptor_);
   printer->Print(
     "public $static$ abstract class $classname$\n"
     "    implements com.google.protobuf.Service {\n",
@@ -86,6 +88,12 @@ void ServiceGenerator::Generate(io::Printer* printer) {
   GenerateStub(printer);
   GenerateBlockingStub(printer);
 
+  // Add an insertion point.
+  printer->Print(
+    "\n"
+    "// @@protoc_insertion_point(class_scope:$full_name$)\n",
+    "full_name", descriptor_->full_name());
+
   printer->Outdent();
   printer->Print("}\n\n");
 }
@@ -118,7 +126,7 @@ void ServiceGenerator::GenerateNewReflectiveServiceMethod(
 
   for (int i = 0; i < descriptor_->method_count(); i++) {
     const MethodDescriptor* method = descriptor_->method(i);
-    printer->Print("@Override\n");
+    printer->Print("@java.lang.Override\n");
     GenerateMethodSignature(printer, method, IS_CONCRETE);
     printer->Print(
       " {\n"
@@ -157,6 +165,7 @@ void ServiceGenerator::GenerateNewReflectiveBlockingServiceMethod(
 void ServiceGenerator::GenerateAbstractMethods(io::Printer* printer) {
   for (int i = 0; i < descriptor_->method_count(); i++) {
     const MethodDescriptor* method = descriptor_->method(i);
+    WriteMethodDocComment(printer, method);
     GenerateMethodSignature(printer, method, IS_ABSTRACT);
     printer->Print(";\n\n");
   }
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_service.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_service.h
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/java/java_service.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_service.h
diff --git a/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_string_field.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_string_field.cc
new file mode 100644
index 00000000..4815663b
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_string_field.cc
@@ -0,0 +1,726 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Author: kenton@google.com (Kenton Varda)
+// Author: jonp@google.com (Jon Perlow)
+//  Based on original Protocol Buffers design by
+//  Sanjay Ghemawat, Jeff Dean, and others.
+
+#include <map>
+#include <string>
+
+#include <google/protobuf/compiler/java/java_string_field.h>
+#include <google/protobuf/compiler/java/java_doc_comment.h>
+#include <google/protobuf/stubs/common.h>
+#include <google/protobuf/compiler/java/java_helpers.h>
+#include <google/protobuf/io/printer.h>
+#include <google/protobuf/wire_format.h>
+#include <google/protobuf/stubs/strutil.h>
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+namespace java {
+
+using internal::WireFormat;
+using internal::WireFormatLite;
+
+namespace {
+
+void SetPrimitiveVariables(const FieldDescriptor* descriptor,
+                           int messageBitIndex,
+                           int builderBitIndex,
+                           map<string, string>* variables) {
+  (*variables)["name"] =
+    UnderscoresToCamelCase(descriptor);
+  (*variables)["capitalized_name"] =
+    UnderscoresToCapitalizedCamelCase(descriptor);
+  (*variables)["constant_name"] = FieldConstantName(descriptor);
+  (*variables)["number"] = SimpleItoa(descriptor->number());
+  (*variables)["empty_list"] = "com.google.protobuf.LazyStringArrayList.EMPTY";
+
+  (*variables)["default"] = DefaultValue(descriptor);
+  (*variables)["default_init"] = ("= " + DefaultValue(descriptor));
+  (*variables)["capitalized_type"] = "String";
+  (*variables)["tag"] = SimpleItoa(WireFormat::MakeTag(descriptor));
+  (*variables)["tag_size"] = SimpleItoa(
+      WireFormat::TagSize(descriptor->number(), GetType(descriptor)));
+  (*variables)["null_check"] =
+      "  if (value == null) {\n"
+      "    throw new NullPointerException();\n"
+      "  }\n";
+
+  // TODO(birdo): Add @deprecated javadoc when generating javadoc is supported
+  // by the proto compiler
+  (*variables)["deprecation"] = descriptor->options().deprecated()
+      ? "@java.lang.Deprecated " : "";
+  (*variables)["on_changed"] =
+      HasDescriptorMethods(descriptor->containing_type()) ? "onChanged();" : "";
+
+  // For singular messages and builders, one bit is used for the hasField bit.
+  (*variables)["get_has_field_bit_message"] = GenerateGetBit(messageBitIndex);
+  (*variables)["set_has_field_bit_message"] = GenerateSetBit(messageBitIndex);
+
+  (*variables)["get_has_field_bit_builder"] = GenerateGetBit(builderBitIndex);
+  (*variables)["set_has_field_bit_builder"] = GenerateSetBit(builderBitIndex);
+  (*variables)["clear_has_field_bit_builder"] =
+      GenerateClearBit(builderBitIndex);
+
+  // For repated builders, one bit is used for whether the array is immutable.
+  (*variables)["get_mutable_bit_builder"] = GenerateGetBit(builderBitIndex);
+  (*variables)["set_mutable_bit_builder"] = GenerateSetBit(builderBitIndex);
+  (*variables)["clear_mutable_bit_builder"] = GenerateClearBit(builderBitIndex);
+
+  // For repeated fields, one bit is used for whether the array is immutable
+  // in the parsing constructor.
+  (*variables)["get_mutable_bit_parser"] =
+      GenerateGetBitMutableLocal(builderBitIndex);
+  (*variables)["set_mutable_bit_parser"] =
+      GenerateSetBitMutableLocal(builderBitIndex);
+
+  (*variables)["get_has_field_bit_from_local"] =
+      GenerateGetBitFromLocal(builderBitIndex);
+  (*variables)["set_has_field_bit_to_local"] =
+      GenerateSetBitToLocal(messageBitIndex);
+}
+
+}  // namespace
+
+// ===================================================================
+
+StringFieldGenerator::
+StringFieldGenerator(const FieldDescriptor* descriptor,
+                     int messageBitIndex,
+                     int builderBitIndex)
+  : descriptor_(descriptor), messageBitIndex_(messageBitIndex),
+    builderBitIndex_(builderBitIndex) {
+  SetPrimitiveVariables(descriptor, messageBitIndex, builderBitIndex,
+                        &variables_);
+}
+
+StringFieldGenerator::~StringFieldGenerator() {}
+
+int StringFieldGenerator::GetNumBitsForMessage() const {
+  return 1;
+}
+
+int StringFieldGenerator::GetNumBitsForBuilder() const {
+  return 1;
+}
+
+// A note about how strings are handled. This code used to just store a String
+// in the Message. This had two issues:
+//
+//  1. It wouldn't roundtrip byte arrays that were not vaid UTF-8 encoded
+//     strings, but rather fields that were raw bytes incorrectly marked
+//     as strings in the proto file. This is common because in the proto1
+//     syntax, string was the way to indicate bytes and C++ engineers can
+//     easily make this mistake without affecting the C++ API. By converting to
+//     strings immediately, some java code might corrupt these byte arrays as
+//     it passes through a java server even if the field was never accessed by
+//     application code.
+//
+//  2. There's a performance hit to converting between bytes and strings and
+//     it many cases, the field is never even read by the application code. This
+//     avoids unnecessary conversions in the common use cases.
+//
+// So now, the field for String is maintained as an Object reference which can
+// either store a String or a ByteString. The code uses an instanceof check
+// to see which one it has and converts to the other one if needed. It remembers
+// the last value requested (in a thread safe manner) as this is most likely
+// the one needed next. The thread safety is such that if two threads both
+// convert the field because the changes made by each thread were not visible to
+// the other, they may cause a conversion to happen more times than would
+// otherwise be necessary. This was deemed better than adding synchronization
+// overhead. It will not cause any corruption issues or affect the behavior of
+// the API. The instanceof check is also highly optimized in the JVM and we
+// decided it was better to reduce the memory overhead by not having two
+// separate fields but rather use dynamic type checking.
+//
+// For single fields, the logic for this is done inside the generated code. For
+// repeated fields, the logic is done in LazyStringArrayList and
+// UnmodifiableLazyStringList.
+void StringFieldGenerator::
+GenerateInterfaceMembers(io::Printer* printer) const {
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$boolean has$capitalized_name$();\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$java.lang.String get$capitalized_name$();\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$com.google.protobuf.ByteString\n"
+    "    get$capitalized_name$Bytes();\n");
+}
+
+void StringFieldGenerator::
+GenerateMembers(io::Printer* printer) const {
+  printer->Print(variables_,
+    "private java.lang.Object $name$_;\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public boolean has$capitalized_name$() {\n"
+    "  return $get_has_field_bit_message$;\n"
+    "}\n");
+
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public java.lang.String get$capitalized_name$() {\n"
+    "  java.lang.Object ref = $name$_;\n"
+    "  if (ref instanceof java.lang.String) {\n"
+    "    return (java.lang.String) ref;\n"
+    "  } else {\n"
+    "    com.google.protobuf.ByteString bs = \n"
+    "        (com.google.protobuf.ByteString) ref;\n"
+    "    java.lang.String s = bs.toStringUtf8();\n"
+    "    if (bs.isValidUtf8()) {\n"
+    "      $name$_ = s;\n"
+    "    }\n"
+    "    return s;\n"
+    "  }\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public com.google.protobuf.ByteString\n"
+    "    get$capitalized_name$Bytes() {\n"
+    "  java.lang.Object ref = $name$_;\n"
+    "  if (ref instanceof java.lang.String) {\n"
+    "    com.google.protobuf.ByteString b = \n"
+    "        com.google.protobuf.ByteString.copyFromUtf8(\n"
+    "            (java.lang.String) ref);\n"
+    "    $name$_ = b;\n"
+    "    return b;\n"
+    "  } else {\n"
+    "    return (com.google.protobuf.ByteString) ref;\n"
+    "  }\n"
+    "}\n");
+}
+
+void StringFieldGenerator::
+GenerateBuilderMembers(io::Printer* printer) const {
+  printer->Print(variables_,
+    "private java.lang.Object $name$_ $default_init$;\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public boolean has$capitalized_name$() {\n"
+    "  return $get_has_field_bit_builder$;\n"
+    "}\n");
+
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public java.lang.String get$capitalized_name$() {\n"
+    "  java.lang.Object ref = $name$_;\n"
+    "  if (!(ref instanceof java.lang.String)) {\n"
+    "    java.lang.String s = ((com.google.protobuf.ByteString) ref)\n"
+    "        .toStringUtf8();\n"
+    "    $name$_ = s;\n"
+    "    return s;\n"
+    "  } else {\n"
+    "    return (java.lang.String) ref;\n"
+    "  }\n"
+    "}\n");
+
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public com.google.protobuf.ByteString\n"
+    "    get$capitalized_name$Bytes() {\n"
+    "  java.lang.Object ref = $name$_;\n"
+    "  if (ref instanceof String) {\n"
+    "    com.google.protobuf.ByteString b = \n"
+    "        com.google.protobuf.ByteString.copyFromUtf8(\n"
+    "            (java.lang.String) ref);\n"
+    "    $name$_ = b;\n"
+    "    return b;\n"
+    "  } else {\n"
+    "    return (com.google.protobuf.ByteString) ref;\n"
+    "  }\n"
+    "}\n");
+
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public Builder set$capitalized_name$(\n"
+    "    java.lang.String value) {\n"
+    "$null_check$"
+    "  $set_has_field_bit_builder$;\n"
+    "  $name$_ = value;\n"
+    "  $on_changed$\n"
+    "  return this;\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public Builder clear$capitalized_name$() {\n"
+    "  $clear_has_field_bit_builder$;\n");
+  // The default value is not a simple literal so we want to avoid executing
+  // it multiple times.  Instead, get the default out of the default instance.
+  printer->Print(variables_,
+    "  $name$_ = getDefaultInstance().get$capitalized_name$();\n");
+  printer->Print(variables_,
+    "  $on_changed$\n"
+    "  return this;\n"
+    "}\n");
+
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public Builder set$capitalized_name$Bytes(\n"
+    "    com.google.protobuf.ByteString value) {\n"
+    "$null_check$"
+    "  $set_has_field_bit_builder$;\n"
+    "  $name$_ = value;\n"
+    "  $on_changed$\n"
+    "  return this;\n"
+    "}\n");
+}
+
+void StringFieldGenerator::
+GenerateFieldBuilderInitializationCode(io::Printer* printer)  const {
+  // noop for primitives
+}
+
+void StringFieldGenerator::
+GenerateInitializationCode(io::Printer* printer) const {
+  printer->Print(variables_, "$name$_ = $default$;\n");
+}
+
+void StringFieldGenerator::
+GenerateBuilderClearCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "$name$_ = $default$;\n"
+    "$clear_has_field_bit_builder$;\n");
+}
+
+void StringFieldGenerator::
+GenerateMergingCode(io::Printer* printer) const {
+  // Allow a slight breach of abstraction here in order to avoid forcing
+  // all string fields to Strings when copying fields from a Message.
+  printer->Print(variables_,
+    "if (other.has$capitalized_name$()) {\n"
+    "  $set_has_field_bit_builder$;\n"
+    "  $name$_ = other.$name$_;\n"
+    "  $on_changed$\n"
+    "}\n");
+}
+
+void StringFieldGenerator::
+GenerateBuildingCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if ($get_has_field_bit_from_local$) {\n"
+    "  $set_has_field_bit_to_local$;\n"
+    "}\n"
+    "result.$name$_ = $name$_;\n");
+}
+
+void StringFieldGenerator::
+GenerateParsingCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "$set_has_field_bit_message$;\n"
+    "$name$_ = input.readBytes();\n");
+}
+
+void StringFieldGenerator::
+GenerateParsingDoneCode(io::Printer* printer) const {
+  // noop for strings.
+}
+
+void StringFieldGenerator::
+GenerateSerializationCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if ($get_has_field_bit_message$) {\n"
+    "  output.writeBytes($number$, get$capitalized_name$Bytes());\n"
+    "}\n");
+}
+
+void StringFieldGenerator::
+GenerateSerializedSizeCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if ($get_has_field_bit_message$) {\n"
+    "  size += com.google.protobuf.CodedOutputStream\n"
+    "    .computeBytesSize($number$, get$capitalized_name$Bytes());\n"
+    "}\n");
+}
+
+void StringFieldGenerator::
+GenerateEqualsCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "result = result && get$capitalized_name$()\n"
+    "    .equals(other.get$capitalized_name$());\n");
+}
+
+void StringFieldGenerator::
+GenerateHashCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "hash = (37 * hash) + $constant_name$;\n");
+  printer->Print(variables_,
+    "hash = (53 * hash) + get$capitalized_name$().hashCode();\n");
+}
+
+string StringFieldGenerator::GetBoxedType() const {
+  return "java.lang.String";
+}
+
+
+// ===================================================================
+
+RepeatedStringFieldGenerator::
+RepeatedStringFieldGenerator(const FieldDescriptor* descriptor,
+                             int messageBitIndex,
+                             int builderBitIndex)
+  : descriptor_(descriptor), messageBitIndex_(messageBitIndex),
+    builderBitIndex_(builderBitIndex) {
+  SetPrimitiveVariables(descriptor, messageBitIndex, builderBitIndex,
+                        &variables_);
+}
+
+RepeatedStringFieldGenerator::~RepeatedStringFieldGenerator() {}
+
+int RepeatedStringFieldGenerator::GetNumBitsForMessage() const {
+  return 0;
+}
+
+int RepeatedStringFieldGenerator::GetNumBitsForBuilder() const {
+  return 1;
+}
+
+void RepeatedStringFieldGenerator::
+GenerateInterfaceMembers(io::Printer* printer) const {
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$java.util.List<java.lang.String>\n"
+    "get$capitalized_name$List();\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$int get$capitalized_name$Count();\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$java.lang.String get$capitalized_name$(int index);\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$com.google.protobuf.ByteString\n"
+    "    get$capitalized_name$Bytes(int index);\n");
+}
+
+
+void RepeatedStringFieldGenerator::
+GenerateMembers(io::Printer* printer) const {
+  printer->Print(variables_,
+    "private com.google.protobuf.LazyStringList $name$_;\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public java.util.List<java.lang.String>\n"
+    "    get$capitalized_name$List() {\n"
+    "  return $name$_;\n"   // note:  unmodifiable list
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public int get$capitalized_name$Count() {\n"
+    "  return $name$_.size();\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public java.lang.String get$capitalized_name$(int index) {\n"
+    "  return $name$_.get(index);\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public com.google.protobuf.ByteString\n"
+    "    get$capitalized_name$Bytes(int index) {\n"
+    "  return $name$_.getByteString(index);\n"
+    "}\n");
+
+  if (descriptor_->options().packed() &&
+      HasGeneratedMethods(descriptor_->containing_type())) {
+    printer->Print(variables_,
+      "private int $name$MemoizedSerializedSize = -1;\n");
+  }
+}
+
+void RepeatedStringFieldGenerator::
+GenerateBuilderMembers(io::Printer* printer) const {
+  // One field is the list and the bit field keeps track of whether the
+  // list is immutable. If it's immutable, the invariant is that it must
+  // either an instance of Collections.emptyList() or it's an ArrayList
+  // wrapped in a Collections.unmodifiableList() wrapper and nobody else has
+  // a refererence to the underlying ArrayList. This invariant allows us to
+  // share instances of lists between protocol buffers avoiding expensive
+  // memory allocations. Note, immutable is a strong guarantee here -- not
+  // just that the list cannot be modified via the reference but that the
+  // list can never be modified.
+  printer->Print(variables_,
+    "private com.google.protobuf.LazyStringList $name$_ = $empty_list$;\n");
+
+  printer->Print(variables_,
+    "private void ensure$capitalized_name$IsMutable() {\n"
+    "  if (!$get_mutable_bit_builder$) {\n"
+    "    $name$_ = new com.google.protobuf.LazyStringArrayList($name$_);\n"
+    "    $set_mutable_bit_builder$;\n"
+    "   }\n"
+    "}\n");
+
+    // Note:  We return an unmodifiable list because otherwise the caller
+    //   could hold on to the returned list and modify it after the message
+    //   has been built, thus mutating the message which is supposed to be
+    //   immutable.
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public java.util.List<java.lang.String>\n"
+    "    get$capitalized_name$List() {\n"
+    "  return java.util.Collections.unmodifiableList($name$_);\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public int get$capitalized_name$Count() {\n"
+    "  return $name$_.size();\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public java.lang.String get$capitalized_name$(int index) {\n"
+    "  return $name$_.get(index);\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public com.google.protobuf.ByteString\n"
+    "    get$capitalized_name$Bytes(int index) {\n"
+    "  return $name$_.getByteString(index);\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public Builder set$capitalized_name$(\n"
+    "    int index, java.lang.String value) {\n"
+    "$null_check$"
+    "  ensure$capitalized_name$IsMutable();\n"
+    "  $name$_.set(index, value);\n"
+    "  $on_changed$\n"
+    "  return this;\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public Builder add$capitalized_name$(\n"
+    "    java.lang.String value) {\n"
+    "$null_check$"
+    "  ensure$capitalized_name$IsMutable();\n"
+    "  $name$_.add(value);\n"
+    "  $on_changed$\n"
+    "  return this;\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public Builder addAll$capitalized_name$(\n"
+    "    java.lang.Iterable<java.lang.String> values) {\n"
+    "  ensure$capitalized_name$IsMutable();\n"
+    "  super.addAll(values, $name$_);\n"
+    "  $on_changed$\n"
+    "  return this;\n"
+    "}\n");
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public Builder clear$capitalized_name$() {\n"
+    "  $name$_ = $empty_list$;\n"
+    "  $clear_mutable_bit_builder$;\n"
+    "  $on_changed$\n"
+    "  return this;\n"
+    "}\n");
+
+  WriteFieldDocComment(printer, descriptor_);
+  printer->Print(variables_,
+    "$deprecation$public Builder add$capitalized_name$Bytes(\n"
+    "    com.google.protobuf.ByteString value) {\n"
+    "$null_check$"
+    "  ensure$capitalized_name$IsMutable();\n"
+    "  $name$_.add(value);\n"
+    "  $on_changed$\n"
+    "  return this;\n"
+    "}\n");
+}
+
+void RepeatedStringFieldGenerator::
+GenerateFieldBuilderInitializationCode(io::Printer* printer)  const {
+  // noop for primitives
+}
+
+void RepeatedStringFieldGenerator::
+GenerateInitializationCode(io::Printer* printer) const {
+  printer->Print(variables_, "$name$_ = $empty_list$;\n");
+}
+
+void RepeatedStringFieldGenerator::
+GenerateBuilderClearCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "$name$_ = $empty_list$;\n"
+    "$clear_mutable_bit_builder$;\n");
+}
+
+void RepeatedStringFieldGenerator::
+GenerateMergingCode(io::Printer* printer) const {
+  // The code below does two optimizations:
+  //   1. If the other list is empty, there's nothing to do. This ensures we
+  //      don't allocate a new array if we already have an immutable one.
+  //   2. If the other list is non-empty and our current list is empty, we can
+  //      reuse the other list which is guaranteed to be immutable.
+  printer->Print(variables_,
+    "if (!other.$name$_.isEmpty()) {\n"
+    "  if ($name$_.isEmpty()) {\n"
+    "    $name$_ = other.$name$_;\n"
+    "    $clear_mutable_bit_builder$;\n"
+    "  } else {\n"
+    "    ensure$capitalized_name$IsMutable();\n"
+    "    $name$_.addAll(other.$name$_);\n"
+    "  }\n"
+    "  $on_changed$\n"
+    "}\n");
+}
+
+void RepeatedStringFieldGenerator::
+GenerateBuildingCode(io::Printer* printer) const {
+  // The code below ensures that the result has an immutable list. If our
+  // list is immutable, we can just reuse it. If not, we make it immutable.
+
+  printer->Print(variables_,
+    "if ($get_mutable_bit_builder$) {\n"
+    "  $name$_ = new com.google.protobuf.UnmodifiableLazyStringList(\n"
+    "      $name$_);\n"
+    "  $clear_mutable_bit_builder$;\n"
+    "}\n"
+    "result.$name$_ = $name$_;\n");
+}
+
+void RepeatedStringFieldGenerator::
+GenerateParsingCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if (!$get_mutable_bit_parser$) {\n"
+    "  $name$_ = new com.google.protobuf.LazyStringArrayList();\n"
+    "  $set_mutable_bit_parser$;\n"
+    "}\n"
+    "$name$_.add(input.readBytes());\n");
+}
+
+void RepeatedStringFieldGenerator::
+GenerateParsingCodeFromPacked(io::Printer* printer) const {
+  printer->Print(variables_,
+    "int length = input.readRawVarint32();\n"
+    "int limit = input.pushLimit(length);\n"
+    "if (!$get_mutable_bit_parser$ && input.getBytesUntilLimit() > 0) {\n"
+    "  $name$_ = new com.google.protobuf.LazyStringArrayList();\n"
+    "  $set_mutable_bit_parser$;\n"
+    "}\n"
+    "while (input.getBytesUntilLimit() > 0) {\n"
+    "  $name$.add(input.read$capitalized_type$());\n"
+    "}\n"
+    "input.popLimit(limit);\n");
+}
+
+void RepeatedStringFieldGenerator::
+GenerateParsingDoneCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if ($get_mutable_bit_parser$) {\n"
+    "  $name$_ = new com.google.protobuf.UnmodifiableLazyStringList($name$_);\n"
+    "}\n");
+}
+
+void RepeatedStringFieldGenerator::
+GenerateSerializationCode(io::Printer* printer) const {
+  if (descriptor_->options().packed()) {
+    printer->Print(variables_,
+      "if (get$capitalized_name$List().size() > 0) {\n"
+      "  output.writeRawVarint32($tag$);\n"
+      "  output.writeRawVarint32($name$MemoizedSerializedSize);\n"
+      "}\n"
+      "for (int i = 0; i < $name$_.size(); i++) {\n"
+      "  output.write$capitalized_type$NoTag($name$_.get(i));\n"
+      "}\n");
+  } else {
+    printer->Print(variables_,
+      "for (int i = 0; i < $name$_.size(); i++) {\n"
+      "  output.writeBytes($number$, $name$_.getByteString(i));\n"
+      "}\n");
+  }
+}
+
+void RepeatedStringFieldGenerator::
+GenerateSerializedSizeCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "{\n"
+    "  int dataSize = 0;\n");
+  printer->Indent();
+
+  printer->Print(variables_,
+    "for (int i = 0; i < $name$_.size(); i++) {\n"
+    "  dataSize += com.google.protobuf.CodedOutputStream\n"
+    "    .computeBytesSizeNoTag($name$_.getByteString(i));\n"
+    "}\n");
+
+  printer->Print(
+      "size += dataSize;\n");
+
+  if (descriptor_->options().packed()) {
+    printer->Print(variables_,
+      "if (!get$capitalized_name$List().isEmpty()) {\n"
+      "  size += $tag_size$;\n"
+      "  size += com.google.protobuf.CodedOutputStream\n"
+      "      .computeInt32SizeNoTag(dataSize);\n"
+      "}\n");
+  } else {
+    printer->Print(variables_,
+      "size += $tag_size$ * get$capitalized_name$List().size();\n");
+  }
+
+  // cache the data size for packed fields.
+  if (descriptor_->options().packed()) {
+    printer->Print(variables_,
+      "$name$MemoizedSerializedSize = dataSize;\n");
+  }
+
+  printer->Outdent();
+  printer->Print("}\n");
+}
+
+void RepeatedStringFieldGenerator::
+GenerateEqualsCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "result = result && get$capitalized_name$List()\n"
+    "    .equals(other.get$capitalized_name$List());\n");
+}
+
+void RepeatedStringFieldGenerator::
+GenerateHashCode(io::Printer* printer) const {
+  printer->Print(variables_,
+    "if (get$capitalized_name$Count() > 0) {\n"
+    "  hash = (37 * hash) + $constant_name$;\n"
+    "  hash = (53 * hash) + get$capitalized_name$List().hashCode();\n"
+    "}\n");
+}
+
+string RepeatedStringFieldGenerator::GetBoxedType() const {
+  return "String";
+}
+
+}  // namespace java
+}  // namespace compiler
+}  // namespace protobuf
+}  // namespace google
diff --git a/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_string_field.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_string_field.h
new file mode 100644
index 00000000..4f7532f4
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/java/java_string_field.h
@@ -0,0 +1,122 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Author: kenton@google.com (Kenton Varda)
+// Author: jonp@google.com (Jon Perlow)
+//  Based on original Protocol Buffers design by
+//  Sanjay Ghemawat, Jeff Dean, and others.
+
+#ifndef GOOGLE_PROTOBUF_COMPILER_JAVA_STRING_FIELD_H__
+#define GOOGLE_PROTOBUF_COMPILER_JAVA_STRING_FIELD_H__
+
+#include <map>
+#include <string>
+#include <google/protobuf/compiler/java/java_field.h>
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+namespace java {
+
+class StringFieldGenerator : public FieldGenerator {
+ public:
+  explicit StringFieldGenerator(const FieldDescriptor* descriptor,
+      int messageBitIndex, int builderBitIndex);
+  ~StringFieldGenerator();
+
+  // implements FieldGenerator ---------------------------------------
+  int GetNumBitsForMessage() const;
+  int GetNumBitsForBuilder() const;
+  void GenerateInterfaceMembers(io::Printer* printer) const;
+  void GenerateMembers(io::Printer* printer) const;
+  void GenerateBuilderMembers(io::Printer* printer) const;
+  void GenerateInitializationCode(io::Printer* printer) const;
+  void GenerateBuilderClearCode(io::Printer* printer) const;
+  void GenerateMergingCode(io::Printer* printer) const;
+  void GenerateBuildingCode(io::Printer* printer) const;
+  void GenerateParsingCode(io::Printer* printer) const;
+  void GenerateParsingDoneCode(io::Printer* printer) const;
+  void GenerateSerializationCode(io::Printer* printer) const;
+  void GenerateSerializedSizeCode(io::Printer* printer) const;
+  void GenerateFieldBuilderInitializationCode(io::Printer* printer) const;
+  void GenerateEqualsCode(io::Printer* printer) const;
+  void GenerateHashCode(io::Printer* printer) const;
+  string GetBoxedType() const;
+
+ private:
+  const FieldDescriptor* descriptor_;
+  map<string, string> variables_;
+  const int messageBitIndex_;
+  const int builderBitIndex_;
+
+  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(StringFieldGenerator);
+};
+
+class RepeatedStringFieldGenerator : public FieldGenerator {
+ public:
+  explicit RepeatedStringFieldGenerator(const FieldDescriptor* descriptor,
+      int messageBitIndex, int builderBitIndex);
+  ~RepeatedStringFieldGenerator();
+
+  // implements FieldGenerator ---------------------------------------
+  int GetNumBitsForMessage() const;
+  int GetNumBitsForBuilder() const;
+  void GenerateInterfaceMembers(io::Printer* printer) const;
+  void GenerateMembers(io::Printer* printer) const;
+  void GenerateBuilderMembers(io::Printer* printer) const;
+  void GenerateInitializationCode(io::Printer* printer) const;
+  void GenerateBuilderClearCode(io::Printer* printer) const;
+  void GenerateMergingCode(io::Printer* printer) const;
+  void GenerateBuildingCode(io::Printer* printer) const;
+  void GenerateParsingCode(io::Printer* printer) const;
+  void GenerateParsingCodeFromPacked(io::Printer* printer) const;
+  void GenerateParsingDoneCode(io::Printer* printer) const;
+  void GenerateSerializationCode(io::Printer* printer) const;
+  void GenerateSerializedSizeCode(io::Printer* printer) const;
+  void GenerateFieldBuilderInitializationCode(io::Printer* printer) const;
+  void GenerateEqualsCode(io::Printer* printer) const;
+  void GenerateHashCode(io::Printer* printer) const;
+  string GetBoxedType() const;
+
+ private:
+  const FieldDescriptor* descriptor_;
+  map<string, string> variables_;
+  const int messageBitIndex_;
+  const int builderBitIndex_;
+
+  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(RepeatedStringFieldGenerator);
+};
+
+}  // namespace java
+}  // namespace compiler
+}  // namespace protobuf
+
+}  // namespace google
+#endif  // GOOGLE_PROTOBUF_COMPILER_JAVA_STRING_FIELD_H__
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/main.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/main.cc
similarity index 97%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/main.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/main.cc
index d9b0c3f9..1afc5d61 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/main.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/main.cc
@@ -43,7 +43,7 @@ int main(int argc, char* argv[]) {
 
   // Proto2 C++
   google::protobuf::compiler::cpp::CppGenerator cpp_generator;
-  cli.RegisterGenerator("--cpp_out", &cpp_generator,
+  cli.RegisterGenerator("--cpp_out", "--cpp_opt", &cpp_generator,
                         "Generate C++ header and source.");
 
   // Proto2 Java
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/mock_code_generator.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/mock_code_generator.cc
similarity index 77%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/mock_code_generator.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/mock_code_generator.cc
index 83d5a4e4..0e35ed19 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/mock_code_generator.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/mock_code_generator.cc
@@ -33,18 +33,29 @@
 #include <google/protobuf/compiler/mock_code_generator.h>
 
 #include <google/protobuf/testing/file.h>
+#include <google/protobuf/descriptor.pb.h>
 #include <google/protobuf/descriptor.h>
 #include <google/protobuf/io/zero_copy_stream.h>
 #include <google/protobuf/io/printer.h>
 #include <google/protobuf/stubs/strutil.h>
 #include <google/protobuf/stubs/substitute.h>
 #include <gtest/gtest.h>
-#include <google/protobuf/stubs/stl_util-inl.h>
+#include <google/protobuf/stubs/stl_util.h>
 
 namespace google {
 namespace protobuf {
 namespace compiler {
 
+// Returns the list of the names of files in all_files in the form of a
+// comma-separated string.
+string CommaSeparatedList(const vector<const FileDescriptor*> all_files) {
+  vector<string> names;
+  for (int i = 0; i < all_files.size(); i++) {
+    names.push_back(all_files[i]->name());
+  }
+  return JoinStrings(names, ",");
+}
+
 static const char* kFirstInsertionPointName = "first_mock_insertion_point";
 static const char* kSecondInsertionPointName = "second_mock_insertion_point";
 static const char* kFirstInsertionPoint =
@@ -63,6 +74,7 @@ void MockCodeGenerator::ExpectGenerated(
     const string& insertions,
     const string& file,
     const string& first_message_name,
+    const string& first_parsed_file_name,
     const string& output_directory) {
   string content;
   ASSERT_TRUE(File::ReadFileToString(
@@ -84,7 +96,8 @@ void MockCodeGenerator::ExpectGenerated(
   }
 
   ASSERT_EQ(lines.size(), 3 + insertion_list.size() * 2);
-  EXPECT_EQ(GetOutputFileContent(name, parameter, file, first_message_name),
+  EXPECT_EQ(GetOutputFileContent(name, parameter, file,
+                                 first_parsed_file_name, first_message_name),
             lines[0]);
 
   EXPECT_EQ(kFirstInsertionPoint, lines[1 + insertion_list.size()]);
@@ -92,12 +105,12 @@ void MockCodeGenerator::ExpectGenerated(
 
   for (int i = 0; i < insertion_list.size(); i++) {
     EXPECT_EQ(GetOutputFileContent(insertion_list[i], "first_insert",
-                                   file, first_message_name),
+                                   file, file, first_message_name),
               lines[1 + i]);
     // Second insertion point is indented, so the inserted text should
     // automatically be indented too.
     EXPECT_EQ("  " + GetOutputFileContent(insertion_list[i], "second_insert",
-                                          file, first_message_name),
+                                          file, file, first_message_name),
               lines[2 + insertion_list.size() + i]);
   }
 }
@@ -105,7 +118,7 @@ void MockCodeGenerator::ExpectGenerated(
 bool MockCodeGenerator::Generate(
     const FileDescriptor* file,
     const string& parameter,
-    OutputDirectory* output_directory,
+    GeneratorContext* context,
     string* error) const {
   for (int i = 0; i < file->message_type_count(); i++) {
     if (HasPrefixString(file->message_type(i)->name(), "MockCodeGenerator_")) {
@@ -120,6 +133,15 @@ bool MockCodeGenerator::Generate(
       } else if (command == "Abort") {
         cerr << "Saw message type MockCodeGenerator_Abort." << endl;
         abort();
+      } else if (command == "HasSourceCodeInfo") {
+        FileDescriptorProto file_descriptor_proto;
+        file->CopySourceCodeInfoTo(&file_descriptor_proto);
+        bool has_source_code_info =
+            file_descriptor_proto.has_source_code_info() &&
+            file_descriptor_proto.source_code_info().location_size() > 0;
+        cerr << "Saw message type MockCodeGenerator_HasSourceCodeInfo: "
+             << has_source_code_info << "." << endl;
+        abort();
       } else {
         GOOGLE_LOG(FATAL) << "Unknown MockCodeGenerator command: " << command;
       }
@@ -134,11 +156,12 @@ bool MockCodeGenerator::Generate(
     for (int i = 0; i < insert_into.size(); i++) {
       {
         scoped_ptr<io::ZeroCopyOutputStream> output(
-            output_directory->OpenForInsert(
+            context->OpenForInsert(
               GetOutputFileName(insert_into[i], file),
               kFirstInsertionPointName));
         io::Printer printer(output.get(), '$');
-        printer.PrintRaw(GetOutputFileContent(name_, "first_insert", file));
+        printer.PrintRaw(GetOutputFileContent(name_, "first_insert",
+                                              file, context));
         if (printer.failed()) {
           *error = "MockCodeGenerator detected write error.";
           return false;
@@ -147,11 +170,12 @@ bool MockCodeGenerator::Generate(
 
       {
         scoped_ptr<io::ZeroCopyOutputStream> output(
-            output_directory->OpenForInsert(
+            context->OpenForInsert(
               GetOutputFileName(insert_into[i], file),
               kSecondInsertionPointName));
         io::Printer printer(output.get(), '$');
-        printer.PrintRaw(GetOutputFileContent(name_, "second_insert", file));
+        printer.PrintRaw(GetOutputFileContent(name_, "second_insert",
+                                              file, context));
         if (printer.failed()) {
           *error = "MockCodeGenerator detected write error.";
           return false;
@@ -160,10 +184,11 @@ bool MockCodeGenerator::Generate(
     }
   } else {
     scoped_ptr<io::ZeroCopyOutputStream> output(
-        output_directory->Open(GetOutputFileName(name_, file)));
+        context->Open(GetOutputFileName(name_, file)));
 
     io::Printer printer(output.get(), '$');
-    printer.PrintRaw(GetOutputFileContent(name_, parameter, file));
+    printer.PrintRaw(GetOutputFileContent(name_, parameter,
+                                          file, context));
     printer.PrintRaw(kFirstInsertionPoint);
     printer.PrintRaw(kSecondInsertionPoint);
 
@@ -186,11 +211,16 @@ string MockCodeGenerator::GetOutputFileName(const string& generator_name,
   return file + ".MockCodeGenerator." + generator_name;
 }
 
-string MockCodeGenerator::GetOutputFileContent(const string& generator_name,
-                                               const string& parameter,
-                                               const FileDescriptor* file) {
+string MockCodeGenerator::GetOutputFileContent(
+    const string& generator_name,
+    const string& parameter,
+    const FileDescriptor* file,
+    GeneratorContext *context) {
+  vector<const FileDescriptor*> all_files;
+  context->ListParsedFiles(&all_files);
   return GetOutputFileContent(
       generator_name, parameter, file->name(),
+      CommaSeparatedList(all_files),
       file->message_type_count() > 0 ?
           file->message_type(0)->name() : "(none)");
 }
@@ -199,9 +229,11 @@ string MockCodeGenerator::GetOutputFileContent(
     const string& generator_name,
     const string& parameter,
     const string& file,
+    const string& parsed_file_list,
     const string& first_message_name) {
-  return strings::Substitute("$0: $1, $2, $3\n",
-      generator_name, parameter, file, first_message_name);
+  return strings::Substitute("$0: $1, $2, $3, $4\n",
+      generator_name, parameter, file,
+      first_message_name, parsed_file_list);
 }
 
 }  // namespace compiler
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/mock_code_generator.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/mock_code_generator.h
similarity index 87%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/mock_code_generator.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/mock_code_generator.h
index 01d69dd2..506fd207 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/mock_code_generator.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/mock_code_generator.h
@@ -59,6 +59,10 @@ namespace compiler {
 //     MockCodeGenerator_Exit." to stderr and then calls exit(123).
 //   MockCodeGenerator_Abort:  Generate() prints "Saw message type
 //     MockCodeGenerator_Abort." to stderr and then calls abort().
+//   MockCodeGenerator_HasSourceCodeInfo:  Causes Generate() to abort after
+//     printing "Saw message type MockCodeGenerator_HasSourceCodeInfo: FOO." to
+//     stderr, where FOO is "1" if the supplied FileDescriptorProto has source
+//     code info, and "0" otherwise.
 class MockCodeGenerator : public CodeGenerator {
  public:
   MockCodeGenerator(const string& name);
@@ -69,11 +73,14 @@ class MockCodeGenerator : public CodeGenerator {
   //
   // |insertions| is a comma-separated list of names of MockCodeGenerators which
   // should have inserted lines into this file.
+  // |parsed_file_list| is a comma-separated list of names of the files
+  // that are being compiled together in this run.
   static void ExpectGenerated(const string& name,
                               const string& parameter,
                               const string& insertions,
                               const string& file,
                               const string& first_message_name,
+                              const string& parsed_file_list,
                               const string& output_directory);
 
   // Get the name of the file which would be written by the given generator.
@@ -86,7 +93,7 @@ class MockCodeGenerator : public CodeGenerator {
 
   virtual bool Generate(const FileDescriptor* file,
                         const string& parameter,
-                        OutputDirectory* output_directory,
+                        GeneratorContext* context,
                         string* error) const;
 
  private:
@@ -94,10 +101,12 @@ class MockCodeGenerator : public CodeGenerator {
 
   static string GetOutputFileContent(const string& generator_name,
                                      const string& parameter,
-                                     const FileDescriptor* file);
+                                     const FileDescriptor* file,
+                                     GeneratorContext *context);
   static string GetOutputFileContent(const string& generator_name,
                                      const string& parameter,
                                      const string& file,
+                                     const string& parsed_file_list,
                                      const string& first_message_name);
 };
 
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/package_info.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/package_info.h
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/package_info.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/package_info.h
diff --git a/common/protobuf-2.5.0/src/google/protobuf/compiler/parser.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/parser.cc
new file mode 100644
index 00000000..23aa01ce
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/parser.cc
@@ -0,0 +1,1611 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Author: kenton@google.com (Kenton Varda)
+//  Based on original Protocol Buffers design by
+//  Sanjay Ghemawat, Jeff Dean, and others.
+//
+// Recursive descent FTW.
+
+#include <float.h>
+#include <google/protobuf/stubs/hash.h>
+#include <limits>
+
+
+#include <google/protobuf/compiler/parser.h>
+#include <google/protobuf/descriptor.h>
+#include <google/protobuf/descriptor.pb.h>
+#include <google/protobuf/wire_format.h>
+#include <google/protobuf/io/tokenizer.h>
+#include <google/protobuf/stubs/common.h>
+#include <google/protobuf/stubs/strutil.h>
+#include <google/protobuf/stubs/map-util.h>
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+
+using internal::WireFormat;
+
+namespace {
+
+typedef hash_map<string, FieldDescriptorProto::Type> TypeNameMap;
+
+TypeNameMap MakeTypeNameTable() {
+  TypeNameMap result;
+
+  result["double"  ] = FieldDescriptorProto::TYPE_DOUBLE;
+  result["float"   ] = FieldDescriptorProto::TYPE_FLOAT;
+  result["uint64"  ] = FieldDescriptorProto::TYPE_UINT64;
+  result["fixed64" ] = FieldDescriptorProto::TYPE_FIXED64;
+  result["fixed32" ] = FieldDescriptorProto::TYPE_FIXED32;
+  result["bool"    ] = FieldDescriptorProto::TYPE_BOOL;
+  result["string"  ] = FieldDescriptorProto::TYPE_STRING;
+  result["group"   ] = FieldDescriptorProto::TYPE_GROUP;
+
+  result["bytes"   ] = FieldDescriptorProto::TYPE_BYTES;
+  result["uint32"  ] = FieldDescriptorProto::TYPE_UINT32;
+  result["sfixed32"] = FieldDescriptorProto::TYPE_SFIXED32;
+  result["sfixed64"] = FieldDescriptorProto::TYPE_SFIXED64;
+  result["int32"   ] = FieldDescriptorProto::TYPE_INT32;
+  result["int64"   ] = FieldDescriptorProto::TYPE_INT64;
+  result["sint32"  ] = FieldDescriptorProto::TYPE_SINT32;
+  result["sint64"  ] = FieldDescriptorProto::TYPE_SINT64;
+
+  return result;
+}
+
+const TypeNameMap kTypeNames = MakeTypeNameTable();
+
+}  // anonymous namespace
+
+// Makes code slightly more readable.  The meaning of "DO(foo)" is
+// "Execute foo and fail if it fails.", where failure is indicated by
+// returning false.
+#define DO(STATEMENT) if (STATEMENT) {} else return false
+
+// ===================================================================
+
+Parser::Parser()
+  : input_(NULL),
+    error_collector_(NULL),
+    source_location_table_(NULL),
+    had_errors_(false),
+    require_syntax_identifier_(false),
+    stop_after_syntax_identifier_(false) {
+}
+
+Parser::~Parser() {
+}
+
+// ===================================================================
+
+inline bool Parser::LookingAt(const char* text) {
+  return input_->current().text == text;
+}
+
+inline bool Parser::LookingAtType(io::Tokenizer::TokenType token_type) {
+  return input_->current().type == token_type;
+}
+
+inline bool Parser::AtEnd() {
+  return LookingAtType(io::Tokenizer::TYPE_END);
+}
+
+bool Parser::TryConsume(const char* text) {
+  if (LookingAt(text)) {
+    input_->Next();
+    return true;
+  } else {
+    return false;
+  }
+}
+
+bool Parser::Consume(const char* text, const char* error) {
+  if (TryConsume(text)) {
+    return true;
+  } else {
+    AddError(error);
+    return false;
+  }
+}
+
+bool Parser::Consume(const char* text) {
+  if (TryConsume(text)) {
+    return true;
+  } else {
+    AddError("Expected \"" + string(text) + "\".");
+    return false;
+  }
+}
+
+bool Parser::ConsumeIdentifier(string* output, const char* error) {
+  if (LookingAtType(io::Tokenizer::TYPE_IDENTIFIER)) {
+    *output = input_->current().text;
+    input_->Next();
+    return true;
+  } else {
+    AddError(error);
+    return false;
+  }
+}
+
+bool Parser::ConsumeInteger(int* output, const char* error) {
+  if (LookingAtType(io::Tokenizer::TYPE_INTEGER)) {
+    uint64 value = 0;
+    if (!io::Tokenizer::ParseInteger(input_->current().text,
+                                     kint32max, &value)) {
+      AddError("Integer out of range.");
+      // We still return true because we did, in fact, parse an integer.
+    }
+    *output = value;
+    input_->Next();
+    return true;
+  } else {
+    AddError(error);
+    return false;
+  }
+}
+
+bool Parser::ConsumeSignedInteger(int* output, const char* error) {
+  bool is_negative = false;
+  uint64 max_value = kint32max;
+  if (TryConsume("-")) {
+    is_negative = true;
+    max_value += 1;
+  }
+  uint64 value = 0;
+  DO(ConsumeInteger64(max_value, &value, error));
+  if (is_negative) value *= -1;
+  *output = value;
+  return true;
+}
+
+bool Parser::ConsumeInteger64(uint64 max_value, uint64* output,
+                              const char* error) {
+  if (LookingAtType(io::Tokenizer::TYPE_INTEGER)) {
+    if (!io::Tokenizer::ParseInteger(input_->current().text, max_value,
+                                     output)) {
+      AddError("Integer out of range.");
+      // We still return true because we did, in fact, parse an integer.
+      *output = 0;
+    }
+    input_->Next();
+    return true;
+  } else {
+    AddError(error);
+    return false;
+  }
+}
+
+bool Parser::ConsumeNumber(double* output, const char* error) {
+  if (LookingAtType(io::Tokenizer::TYPE_FLOAT)) {
+    *output = io::Tokenizer::ParseFloat(input_->current().text);
+    input_->Next();
+    return true;
+  } else if (LookingAtType(io::Tokenizer::TYPE_INTEGER)) {
+    // Also accept integers.
+    uint64 value = 0;
+    if (!io::Tokenizer::ParseInteger(input_->current().text,
+                                     kuint64max, &value)) {
+      AddError("Integer out of range.");
+      // We still return true because we did, in fact, parse a number.
+    }
+    *output = value;
+    input_->Next();
+    return true;
+  } else if (LookingAt("inf")) {
+    *output = numeric_limits<double>::infinity();
+    input_->Next();
+    return true;
+  } else if (LookingAt("nan")) {
+    *output = numeric_limits<double>::quiet_NaN();
+    input_->Next();
+    return true;
+  } else {
+    AddError(error);
+    return false;
+  }
+}
+
+bool Parser::ConsumeString(string* output, const char* error) {
+  if (LookingAtType(io::Tokenizer::TYPE_STRING)) {
+    io::Tokenizer::ParseString(input_->current().text, output);
+    input_->Next();
+    // Allow C++ like concatenation of adjacent string tokens.
+    while (LookingAtType(io::Tokenizer::TYPE_STRING)) {
+      io::Tokenizer::ParseStringAppend(input_->current().text, output);
+      input_->Next();
+    }
+    return true;
+  } else {
+    AddError(error);
+    return false;
+  }
+}
+
+bool Parser::TryConsumeEndOfDeclaration(const char* text,
+                                        const LocationRecorder* location) {
+  if (LookingAt(text)) {
+    string leading, trailing;
+    input_->NextWithComments(&trailing, NULL, &leading);
+
+    // Save the leading comments for next time, and recall the leading comments
+    // from last time.
+    leading.swap(upcoming_doc_comments_);
+
+    if (location != NULL) {
+      location->AttachComments(&leading, &trailing);
+    }
+    return true;
+  } else {
+    return false;
+  }
+}
+
+bool Parser::ConsumeEndOfDeclaration(const char* text,
+                                     const LocationRecorder* location) {
+  if (TryConsumeEndOfDeclaration(text, location)) {
+    return true;
+  } else {
+    AddError("Expected \"" + string(text) + "\".");
+    return false;
+  }
+}
+
+// -------------------------------------------------------------------
+
+void Parser::AddError(int line, int column, const string& error) {
+  if (error_collector_ != NULL) {
+    error_collector_->AddError(line, column, error);
+  }
+  had_errors_ = true;
+}
+
+void Parser::AddError(const string& error) {
+  AddError(input_->current().line, input_->current().column, error);
+}
+
+// -------------------------------------------------------------------
+
+Parser::LocationRecorder::LocationRecorder(Parser* parser)
+  : parser_(parser),
+    location_(parser_->source_code_info_->add_location()) {
+  location_->add_span(parser_->input_->current().line);
+  location_->add_span(parser_->input_->current().column);
+}
+
+Parser::LocationRecorder::LocationRecorder(const LocationRecorder& parent) {
+  Init(parent);
+}
+
+Parser::LocationRecorder::LocationRecorder(const LocationRecorder& parent,
+                                           int path1) {
+  Init(parent);
+  AddPath(path1);
+}
+
+Parser::LocationRecorder::LocationRecorder(const LocationRecorder& parent,
+                                           int path1, int path2) {
+  Init(parent);
+  AddPath(path1);
+  AddPath(path2);
+}
+
+void Parser::LocationRecorder::Init(const LocationRecorder& parent) {
+  parser_ = parent.parser_;
+  location_ = parser_->source_code_info_->add_location();
+  location_->mutable_path()->CopyFrom(parent.location_->path());
+
+  location_->add_span(parser_->input_->current().line);
+  location_->add_span(parser_->input_->current().column);
+}
+
+Parser::LocationRecorder::~LocationRecorder() {
+  if (location_->span_size() <= 2) {
+    EndAt(parser_->input_->previous());
+  }
+}
+
+void Parser::LocationRecorder::AddPath(int path_component) {
+  location_->add_path(path_component);
+}
+
+void Parser::LocationRecorder::StartAt(const io::Tokenizer::Token& token) {
+  location_->set_span(0, token.line);
+  location_->set_span(1, token.column);
+}
+
+void Parser::LocationRecorder::EndAt(const io::Tokenizer::Token& token) {
+  if (token.line != location_->span(0)) {
+    location_->add_span(token.line);
+  }
+  location_->add_span(token.end_column);
+}
+
+void Parser::LocationRecorder::RecordLegacyLocation(const Message* descriptor,
+    DescriptorPool::ErrorCollector::ErrorLocation location) {
+  if (parser_->source_location_table_ != NULL) {
+    parser_->source_location_table_->Add(
+        descriptor, location, location_->span(0), location_->span(1));
+  }
+}
+
+void Parser::LocationRecorder::AttachComments(
+    string* leading, string* trailing) const {
+  GOOGLE_CHECK(!location_->has_leading_comments());
+  GOOGLE_CHECK(!location_->has_trailing_comments());
+
+  if (!leading->empty()) {
+    location_->mutable_leading_comments()->swap(*leading);
+  }
+  if (!trailing->empty()) {
+    location_->mutable_trailing_comments()->swap(*trailing);
+  }
+}
+
+// -------------------------------------------------------------------
+
+void Parser::SkipStatement() {
+  while (true) {
+    if (AtEnd()) {
+      return;
+    } else if (LookingAtType(io::Tokenizer::TYPE_SYMBOL)) {
+      if (TryConsumeEndOfDeclaration(";", NULL)) {
+        return;
+      } else if (TryConsume("{")) {
+        SkipRestOfBlock();
+        return;
+      } else if (LookingAt("}")) {
+        return;
+      }
+    }
+    input_->Next();
+  }
+}
+
+void Parser::SkipRestOfBlock() {
+  while (true) {
+    if (AtEnd()) {
+      return;
+    } else if (LookingAtType(io::Tokenizer::TYPE_SYMBOL)) {
+      if (TryConsumeEndOfDeclaration("}", NULL)) {
+        return;
+      } else if (TryConsume("{")) {
+        SkipRestOfBlock();
+      }
+    }
+    input_->Next();
+  }
+}
+
+// ===================================================================
+
+bool Parser::Parse(io::Tokenizer* input, FileDescriptorProto* file) {
+  input_ = input;
+  had_errors_ = false;
+  syntax_identifier_.clear();
+
+  // Note that |file| could be NULL at this point if
+  // stop_after_syntax_identifier_ is true.  So, we conservatively allocate
+  // SourceCodeInfo on the stack, then swap it into the FileDescriptorProto
+  // later on.
+  SourceCodeInfo source_code_info;
+  source_code_info_ = &source_code_info;
+
+  if (LookingAtType(io::Tokenizer::TYPE_START)) {
+    // Advance to first token.
+    input_->NextWithComments(NULL, NULL, &upcoming_doc_comments_);
+  }
+
+  {
+    LocationRecorder root_location(this);
+
+    if (require_syntax_identifier_ || LookingAt("syntax")) {
+      if (!ParseSyntaxIdentifier()) {
+        // Don't attempt to parse the file if we didn't recognize the syntax
+        // identifier.
+        return false;
+      }
+    } else if (!stop_after_syntax_identifier_) {
+      syntax_identifier_ = "proto2";
+    }
+
+    if (stop_after_syntax_identifier_) return !had_errors_;
+
+    // Repeatedly parse statements until we reach the end of the file.
+    while (!AtEnd()) {
+      if (!ParseTopLevelStatement(file, root_location)) {
+        // This statement failed to parse.  Skip it, but keep looping to parse
+        // other statements.
+        SkipStatement();
+
+        if (LookingAt("}")) {
+          AddError("Unmatched \"}\".");
+          input_->NextWithComments(NULL, NULL, &upcoming_doc_comments_);
+        }
+      }
+    }
+  }
+
+  input_ = NULL;
+  source_code_info_ = NULL;
+  source_code_info.Swap(file->mutable_source_code_info());
+  return !had_errors_;
+}
+
+bool Parser::ParseSyntaxIdentifier() {
+  DO(Consume("syntax", "File must begin with 'syntax = \"proto2\";'."));
+  DO(Consume("="));
+  io::Tokenizer::Token syntax_token = input_->current();
+  string syntax;
+  DO(ConsumeString(&syntax, "Expected syntax identifier."));
+  DO(ConsumeEndOfDeclaration(";", NULL));
+
+  syntax_identifier_ = syntax;
+
+  if (syntax != "proto2" && !stop_after_syntax_identifier_) {
+    AddError(syntax_token.line, syntax_token.column,
+      "Unrecognized syntax identifier \"" + syntax + "\".  This parser "
+      "only recognizes \"proto2\".");
+    return false;
+  }
+
+  return true;
+}
+
+bool Parser::ParseTopLevelStatement(FileDescriptorProto* file,
+                                    const LocationRecorder& root_location) {
+  if (TryConsumeEndOfDeclaration(";", NULL)) {
+    // empty statement; ignore
+    return true;
+  } else if (LookingAt("message")) {
+    LocationRecorder location(root_location,
+      FileDescriptorProto::kMessageTypeFieldNumber, file->message_type_size());
+    return ParseMessageDefinition(file->add_message_type(), location);
+  } else if (LookingAt("enum")) {
+    LocationRecorder location(root_location,
+      FileDescriptorProto::kEnumTypeFieldNumber, file->enum_type_size());
+    return ParseEnumDefinition(file->add_enum_type(), location);
+  } else if (LookingAt("service")) {
+    LocationRecorder location(root_location,
+      FileDescriptorProto::kServiceFieldNumber, file->service_size());
+    return ParseServiceDefinition(file->add_service(), location);
+  } else if (LookingAt("extend")) {
+    LocationRecorder location(root_location,
+        FileDescriptorProto::kExtensionFieldNumber);
+    return ParseExtend(file->mutable_extension(),
+                       file->mutable_message_type(),
+                       root_location,
+                       FileDescriptorProto::kMessageTypeFieldNumber,
+                       location);
+  } else if (LookingAt("import")) {
+    return ParseImport(file->mutable_dependency(),
+                       file->mutable_public_dependency(),
+                       file->mutable_weak_dependency(),
+                       root_location);
+  } else if (LookingAt("package")) {
+    return ParsePackage(file, root_location);
+  } else if (LookingAt("option")) {
+    LocationRecorder location(root_location,
+        FileDescriptorProto::kOptionsFieldNumber);
+    return ParseOption(file->mutable_options(), location, OPTION_STATEMENT);
+  } else {
+    AddError("Expected top-level statement (e.g. \"message\").");
+    return false;
+  }
+}
+
+// -------------------------------------------------------------------
+// Messages
+
+bool Parser::ParseMessageDefinition(DescriptorProto* message,
+                                    const LocationRecorder& message_location) {
+  DO(Consume("message"));
+  {
+    LocationRecorder location(message_location,
+                              DescriptorProto::kNameFieldNumber);
+    location.RecordLegacyLocation(
+        message, DescriptorPool::ErrorCollector::NAME);
+    DO(ConsumeIdentifier(message->mutable_name(), "Expected message name."));
+  }
+  DO(ParseMessageBlock(message, message_location));
+  return true;
+}
+
+namespace {
+
+const int kMaxExtensionRangeSentinel = -1;
+
+bool IsMessageSetWireFormatMessage(const DescriptorProto& message) {
+  const MessageOptions& options = message.options();
+  for (int i = 0; i < options.uninterpreted_option_size(); ++i) {
+    const UninterpretedOption& uninterpreted = options.uninterpreted_option(i);
+    if (uninterpreted.name_size() == 1 &&
+        uninterpreted.name(0).name_part() == "message_set_wire_format" &&
+        uninterpreted.identifier_value() == "true") {
+      return true;
+    }
+  }
+  return false;
+}
+
+// Modifies any extension ranges that specified 'max' as the end of the
+// extension range, and sets them to the type-specific maximum. The actual max
+// tag number can only be determined after all options have been parsed.
+void AdjustExtensionRangesWithMaxEndNumber(DescriptorProto* message) {
+  const bool is_message_set = IsMessageSetWireFormatMessage(*message);
+  const int max_extension_number = is_message_set ?
+      kint32max :
+      FieldDescriptor::kMaxNumber + 1;
+  for (int i = 0; i < message->extension_range_size(); ++i) {
+    if (message->extension_range(i).end() == kMaxExtensionRangeSentinel) {
+      message->mutable_extension_range(i)->set_end(max_extension_number);
+    }
+  }
+}
+
+}  // namespace
+
+bool Parser::ParseMessageBlock(DescriptorProto* message,
+                               const LocationRecorder& message_location) {
+  DO(ConsumeEndOfDeclaration("{", &message_location));
+
+  while (!TryConsumeEndOfDeclaration("}", NULL)) {
+    if (AtEnd()) {
+      AddError("Reached end of input in message definition (missing '}').");
+      return false;
+    }
+
+    if (!ParseMessageStatement(message, message_location)) {
+      // This statement failed to parse.  Skip it, but keep looping to parse
+      // other statements.
+      SkipStatement();
+    }
+  }
+
+  if (message->extension_range_size() > 0) {
+    AdjustExtensionRangesWithMaxEndNumber(message);
+  }
+  return true;
+}
+
+bool Parser::ParseMessageStatement(DescriptorProto* message,
+                                   const LocationRecorder& message_location) {
+  if (TryConsumeEndOfDeclaration(";", NULL)) {
+    // empty statement; ignore
+    return true;
+  } else if (LookingAt("message")) {
+    LocationRecorder location(message_location,
+                              DescriptorProto::kNestedTypeFieldNumber,
+                              message->nested_type_size());
+    return ParseMessageDefinition(message->add_nested_type(), location);
+  } else if (LookingAt("enum")) {
+    LocationRecorder location(message_location,
+                              DescriptorProto::kEnumTypeFieldNumber,
+                              message->enum_type_size());
+    return ParseEnumDefinition(message->add_enum_type(), location);
+  } else if (LookingAt("extensions")) {
+    LocationRecorder location(message_location,
+                              DescriptorProto::kExtensionRangeFieldNumber);
+    return ParseExtensions(message, location);
+  } else if (LookingAt("extend")) {
+    LocationRecorder location(message_location,
+                              DescriptorProto::kExtensionFieldNumber);
+    return ParseExtend(message->mutable_extension(),
+                       message->mutable_nested_type(),
+                       message_location,
+                       DescriptorProto::kNestedTypeFieldNumber,
+                       location);
+  } else if (LookingAt("option")) {
+    LocationRecorder location(message_location,
+                              DescriptorProto::kOptionsFieldNumber);
+    return ParseOption(message->mutable_options(), location, OPTION_STATEMENT);
+  } else {
+    LocationRecorder location(message_location,
+                              DescriptorProto::kFieldFieldNumber,
+                              message->field_size());
+    return ParseMessageField(message->add_field(),
+                             message->mutable_nested_type(),
+                             message_location,
+                             DescriptorProto::kNestedTypeFieldNumber,
+                             location);
+  }
+}
+
+bool Parser::ParseMessageField(FieldDescriptorProto* field,
+                               RepeatedPtrField<DescriptorProto>* messages,
+                               const LocationRecorder& parent_location,
+                               int location_field_number_for_nested_type,
+                               const LocationRecorder& field_location) {
+  // Parse label and type.
+  io::Tokenizer::Token label_token = input_->current();
+  {
+    LocationRecorder location(field_location,
+                              FieldDescriptorProto::kLabelFieldNumber);
+    FieldDescriptorProto::Label label;
+    DO(ParseLabel(&label));
+    field->set_label(label);
+  }
+
+  {
+    LocationRecorder location(field_location);  // add path later
+    location.RecordLegacyLocation(field, DescriptorPool::ErrorCollector::TYPE);
+
+    FieldDescriptorProto::Type type = FieldDescriptorProto::TYPE_INT32;
+    string type_name;
+    DO(ParseType(&type, &type_name));
+    if (type_name.empty()) {
+      location.AddPath(FieldDescriptorProto::kTypeFieldNumber);
+      field->set_type(type);
+    } else {
+      location.AddPath(FieldDescriptorProto::kTypeNameFieldNumber);
+      field->set_type_name(type_name);
+    }
+  }
+
+  // Parse name and '='.
+  io::Tokenizer::Token name_token = input_->current();
+  {
+    LocationRecorder location(field_location,
+                              FieldDescriptorProto::kNameFieldNumber);
+    location.RecordLegacyLocation(field, DescriptorPool::ErrorCollector::NAME);
+    DO(ConsumeIdentifier(field->mutable_name(), "Expected field name."));
+  }
+  DO(Consume("=", "Missing field number."));
+
+  // Parse field number.
+  {
+    LocationRecorder location(field_location,
+                              FieldDescriptorProto::kNumberFieldNumber);
+    location.RecordLegacyLocation(
+        field, DescriptorPool::ErrorCollector::NUMBER);
+    int number;
+    DO(ConsumeInteger(&number, "Expected field number."));
+    field->set_number(number);
+  }
+
+  // Parse options.
+  DO(ParseFieldOptions(field, field_location));
+
+  // Deal with groups.
+  if (field->has_type() && field->type() == FieldDescriptorProto::TYPE_GROUP) {
+    // Awkward:  Since a group declares both a message type and a field, we
+    //   have to create overlapping locations.
+    LocationRecorder group_location(parent_location);
+    group_location.StartAt(label_token);
+    group_location.AddPath(location_field_number_for_nested_type);
+    group_location.AddPath(messages->size());
+
+    DescriptorProto* group = messages->Add();
+    group->set_name(field->name());
+
+    // Record name location to match the field name's location.
+    {
+      LocationRecorder location(group_location,
+                                DescriptorProto::kNameFieldNumber);
+      location.StartAt(name_token);
+      location.EndAt(name_token);
+      location.RecordLegacyLocation(
+          group, DescriptorPool::ErrorCollector::NAME);
+    }
+
+    // The field's type_name also comes from the name.  Confusing!
+    {
+      LocationRecorder location(field_location,
+                                FieldDescriptorProto::kTypeNameFieldNumber);
+      location.StartAt(name_token);
+      location.EndAt(name_token);
+    }
+
+    // As a hack for backwards-compatibility, we force the group name to start
+    // with a capital letter and lower-case the field name.  New code should
+    // not use groups; it should use nested messages.
+    if (group->name()[0] < 'A' || 'Z' < group->name()[0]) {
+      AddError(name_token.line, name_token.column,
+        "Group names must start with a capital letter.");
+    }
+    LowerString(field->mutable_name());
+
+    field->set_type_name(group->name());
+    if (LookingAt("{")) {
+      DO(ParseMessageBlock(group, group_location));
+    } else {
+      AddError("Missing group body.");
+      return false;
+    }
+  } else {
+    DO(ConsumeEndOfDeclaration(";", &field_location));
+  }
+
+  return true;
+}
+
+bool Parser::ParseFieldOptions(FieldDescriptorProto* field,
+                               const LocationRecorder& field_location) {
+  if (!LookingAt("[")) return true;
+
+  LocationRecorder location(field_location,
+                            FieldDescriptorProto::kOptionsFieldNumber);
+
+  DO(Consume("["));
+
+  // Parse field options.
+  do {
+    if (LookingAt("default")) {
+      // We intentionally pass field_location rather than location here, since
+      // the default value is not actually an option.
+      DO(ParseDefaultAssignment(field, field_location));
+    } else {
+      DO(ParseOption(field->mutable_options(), location, OPTION_ASSIGNMENT));
+    }
+  } while (TryConsume(","));
+
+  DO(Consume("]"));
+  return true;
+}
+
+bool Parser::ParseDefaultAssignment(FieldDescriptorProto* field,
+                                    const LocationRecorder& field_location) {
+  if (field->has_default_value()) {
+    AddError("Already set option \"default\".");
+    field->clear_default_value();
+  }
+
+  DO(Consume("default"));
+  DO(Consume("="));
+
+  LocationRecorder location(field_location,
+                            FieldDescriptorProto::kDefaultValueFieldNumber);
+  location.RecordLegacyLocation(
+      field, DescriptorPool::ErrorCollector::DEFAULT_VALUE);
+  string* default_value = field->mutable_default_value();
+
+  if (!field->has_type()) {
+    // The field has a type name, but we don't know if it is a message or an
+    // enum yet.  Assume an enum for now.
+    DO(ConsumeIdentifier(default_value, "Expected identifier."));
+    return true;
+  }
+
+  switch (field->type()) {
+    case FieldDescriptorProto::TYPE_INT32:
+    case FieldDescriptorProto::TYPE_INT64:
+    case FieldDescriptorProto::TYPE_SINT32:
+    case FieldDescriptorProto::TYPE_SINT64:
+    case FieldDescriptorProto::TYPE_SFIXED32:
+    case FieldDescriptorProto::TYPE_SFIXED64: {
+      uint64 max_value = kint64max;
+      if (field->type() == FieldDescriptorProto::TYPE_INT32 ||
+          field->type() == FieldDescriptorProto::TYPE_SINT32 ||
+          field->type() == FieldDescriptorProto::TYPE_SFIXED32) {
+        max_value = kint32max;
+      }
+
+      // These types can be negative.
+      if (TryConsume("-")) {
+        default_value->append("-");
+        // Two's complement always has one more negative value than positive.
+        ++max_value;
+      }
+      // Parse the integer to verify that it is not out-of-range.
+      uint64 value;
+      DO(ConsumeInteger64(max_value, &value, "Expected integer."));
+      // And stringify it again.
+      default_value->append(SimpleItoa(value));
+      break;
+    }
+
+    case FieldDescriptorProto::TYPE_UINT32:
+    case FieldDescriptorProto::TYPE_UINT64:
+    case FieldDescriptorProto::TYPE_FIXED32:
+    case FieldDescriptorProto::TYPE_FIXED64: {
+      uint64 max_value = kuint64max;
+      if (field->type() == FieldDescriptorProto::TYPE_UINT32 ||
+          field->type() == FieldDescriptorProto::TYPE_FIXED32) {
+        max_value = kuint32max;
+      }
+
+      // Numeric, not negative.
+      if (TryConsume("-")) {
+        AddError("Unsigned field can't have negative default value.");
+      }
+      // Parse the integer to verify that it is not out-of-range.
+      uint64 value;
+      DO(ConsumeInteger64(max_value, &value, "Expected integer."));
+      // And stringify it again.
+      default_value->append(SimpleItoa(value));
+      break;
+    }
+
+    case FieldDescriptorProto::TYPE_FLOAT:
+    case FieldDescriptorProto::TYPE_DOUBLE:
+      // These types can be negative.
+      if (TryConsume("-")) {
+        default_value->append("-");
+      }
+      // Parse the integer because we have to convert hex integers to decimal
+      // floats.
+      double value;
+      DO(ConsumeNumber(&value, "Expected number."));
+      // And stringify it again.
+      default_value->append(SimpleDtoa(value));
+      break;
+
+    case FieldDescriptorProto::TYPE_BOOL:
+      if (TryConsume("true")) {
+        default_value->assign("true");
+      } else if (TryConsume("false")) {
+        default_value->assign("false");
+      } else {
+        AddError("Expected \"true\" or \"false\".");
+        return false;
+      }
+      break;
+
+    case FieldDescriptorProto::TYPE_STRING:
+      DO(ConsumeString(default_value, "Expected string."));
+      break;
+
+    case FieldDescriptorProto::TYPE_BYTES:
+      DO(ConsumeString(default_value, "Expected string."));
+      *default_value = CEscape(*default_value);
+      break;
+
+    case FieldDescriptorProto::TYPE_ENUM:
+      DO(ConsumeIdentifier(default_value, "Expected identifier."));
+      break;
+
+    case FieldDescriptorProto::TYPE_MESSAGE:
+    case FieldDescriptorProto::TYPE_GROUP:
+      AddError("Messages can't have default values.");
+      return false;
+  }
+
+  return true;
+}
+
+bool Parser::ParseOptionNamePart(UninterpretedOption* uninterpreted_option,
+                                 const LocationRecorder& part_location) {
+  UninterpretedOption::NamePart* name = uninterpreted_option->add_name();
+  string identifier;  // We parse identifiers into this string.
+  if (LookingAt("(")) {  // This is an extension.
+    DO(Consume("("));
+
+    {
+      LocationRecorder location(
+          part_location, UninterpretedOption::NamePart::kNamePartFieldNumber);
+      // An extension name consists of dot-separated identifiers, and may begin
+      // with a dot.
+      if (LookingAtType(io::Tokenizer::TYPE_IDENTIFIER)) {
+        DO(ConsumeIdentifier(&identifier, "Expected identifier."));
+        name->mutable_name_part()->append(identifier);
+      }
+      while (LookingAt(".")) {
+        DO(Consume("."));
+        name->mutable_name_part()->append(".");
+        DO(ConsumeIdentifier(&identifier, "Expected identifier."));
+        name->mutable_name_part()->append(identifier);
+      }
+    }
+
+    DO(Consume(")"));
+    name->set_is_extension(true);
+  } else {  // This is a regular field.
+    LocationRecorder location(
+        part_location, UninterpretedOption::NamePart::kNamePartFieldNumber);
+    DO(ConsumeIdentifier(&identifier, "Expected identifier."));
+    name->mutable_name_part()->append(identifier);
+    name->set_is_extension(false);
+  }
+  return true;
+}
+
+bool Parser::ParseUninterpretedBlock(string* value) {
+  // Note that enclosing braces are not added to *value.
+  // We do NOT use ConsumeEndOfStatement for this brace because it's delimiting
+  // an expression, not a block of statements.
+  DO(Consume("{"));
+  int brace_depth = 1;
+  while (!AtEnd()) {
+    if (LookingAt("{")) {
+      brace_depth++;
+    } else if (LookingAt("}")) {
+      brace_depth--;
+      if (brace_depth == 0) {
+        input_->Next();
+        return true;
+      }
+    }
+    // TODO(sanjay): Interpret line/column numbers to preserve formatting
+    if (!value->empty()) value->push_back(' ');
+    value->append(input_->current().text);
+    input_->Next();
+  }
+  AddError("Unexpected end of stream while parsing aggregate value.");
+  return false;
+}
+
+// We don't interpret the option here. Instead we store it in an
+// UninterpretedOption, to be interpreted later.
+bool Parser::ParseOption(Message* options,
+                         const LocationRecorder& options_location,
+                         OptionStyle style) {
+  // Create an entry in the uninterpreted_option field.
+  const FieldDescriptor* uninterpreted_option_field = options->GetDescriptor()->
+      FindFieldByName("uninterpreted_option");
+  GOOGLE_CHECK(uninterpreted_option_field != NULL)
+      << "No field named \"uninterpreted_option\" in the Options proto.";
+
+  const Reflection* reflection = options->GetReflection();
+
+  LocationRecorder location(
+      options_location, uninterpreted_option_field->number(),
+      reflection->FieldSize(*options, uninterpreted_option_field));
+
+  if (style == OPTION_STATEMENT) {
+    DO(Consume("option"));
+  }
+
+  UninterpretedOption* uninterpreted_option = down_cast<UninterpretedOption*>(
+      options->GetReflection()->AddMessage(options,
+                                           uninterpreted_option_field));
+
+  // Parse dot-separated name.
+  {
+    LocationRecorder name_location(location,
+                                   UninterpretedOption::kNameFieldNumber);
+    name_location.RecordLegacyLocation(
+        uninterpreted_option, DescriptorPool::ErrorCollector::OPTION_NAME);
+
+    {
+      LocationRecorder part_location(name_location,
+                                     uninterpreted_option->name_size());
+      DO(ParseOptionNamePart(uninterpreted_option, part_location));
+    }
+
+    while (LookingAt(".")) {
+      DO(Consume("."));
+      LocationRecorder part_location(name_location,
+                                     uninterpreted_option->name_size());
+      DO(ParseOptionNamePart(uninterpreted_option, part_location));
+    }
+  }
+
+  DO(Consume("="));
+
+  {
+    LocationRecorder value_location(location);
+    value_location.RecordLegacyLocation(
+        uninterpreted_option, DescriptorPool::ErrorCollector::OPTION_VALUE);
+
+    // All values are a single token, except for negative numbers, which consist
+    // of a single '-' symbol, followed by a positive number.
+    bool is_negative = TryConsume("-");
+
+    switch (input_->current().type) {
+      case io::Tokenizer::TYPE_START:
+        GOOGLE_LOG(FATAL) << "Trying to read value before any tokens have been read.";
+        return false;
+
+      case io::Tokenizer::TYPE_END:
+        AddError("Unexpected end of stream while parsing option value.");
+        return false;
+
+      case io::Tokenizer::TYPE_IDENTIFIER: {
+        value_location.AddPath(
+            UninterpretedOption::kIdentifierValueFieldNumber);
+        if (is_negative) {
+          AddError("Invalid '-' symbol before identifier.");
+          return false;
+        }
+        string value;
+        DO(ConsumeIdentifier(&value, "Expected identifier."));
+        uninterpreted_option->set_identifier_value(value);
+        break;
+      }
+
+      case io::Tokenizer::TYPE_INTEGER: {
+        uint64 value;
+        uint64 max_value =
+            is_negative ? static_cast<uint64>(kint64max) + 1 : kuint64max;
+        DO(ConsumeInteger64(max_value, &value, "Expected integer."));
+        if (is_negative) {
+          value_location.AddPath(
+              UninterpretedOption::kNegativeIntValueFieldNumber);
+          uninterpreted_option->set_negative_int_value(
+              -static_cast<int64>(value));
+        } else {
+          value_location.AddPath(
+              UninterpretedOption::kPositiveIntValueFieldNumber);
+          uninterpreted_option->set_positive_int_value(value);
+        }
+        break;
+      }
+
+      case io::Tokenizer::TYPE_FLOAT: {
+        value_location.AddPath(UninterpretedOption::kDoubleValueFieldNumber);
+        double value;
+        DO(ConsumeNumber(&value, "Expected number."));
+        uninterpreted_option->set_double_value(is_negative ? -value : value);
+        break;
+      }
+
+      case io::Tokenizer::TYPE_STRING: {
+        value_location.AddPath(UninterpretedOption::kStringValueFieldNumber);
+        if (is_negative) {
+          AddError("Invalid '-' symbol before string.");
+          return false;
+        }
+        string value;
+        DO(ConsumeString(&value, "Expected string."));
+        uninterpreted_option->set_string_value(value);
+        break;
+      }
+
+      case io::Tokenizer::TYPE_SYMBOL:
+        if (LookingAt("{")) {
+          value_location.AddPath(
+              UninterpretedOption::kAggregateValueFieldNumber);
+          DO(ParseUninterpretedBlock(
+              uninterpreted_option->mutable_aggregate_value()));
+        } else {
+          AddError("Expected option value.");
+          return false;
+        }
+        break;
+    }
+  }
+
+  if (style == OPTION_STATEMENT) {
+    DO(ConsumeEndOfDeclaration(";", &location));
+  }
+
+  return true;
+}
+
+bool Parser::ParseExtensions(DescriptorProto* message,
+                             const LocationRecorder& extensions_location) {
+  // Parse the declaration.
+  DO(Consume("extensions"));
+
+  do {
+    // Note that kExtensionRangeFieldNumber was already pushed by the parent.
+    LocationRecorder location(extensions_location,
+                              message->extension_range_size());
+
+    DescriptorProto::ExtensionRange* range = message->add_extension_range();
+    location.RecordLegacyLocation(
+        range, DescriptorPool::ErrorCollector::NUMBER);
+
+    int start, end;
+    io::Tokenizer::Token start_token;
+
+    {
+      LocationRecorder start_location(
+          location, DescriptorProto::ExtensionRange::kStartFieldNumber);
+      start_token = input_->current();
+      DO(ConsumeInteger(&start, "Expected field number range."));
+    }
+
+    if (TryConsume("to")) {
+      LocationRecorder end_location(
+          location, DescriptorProto::ExtensionRange::kEndFieldNumber);
+      if (TryConsume("max")) {
+        // Set to the sentinel value - 1 since we increment the value below.
+        // The actual value of the end of the range should be set with
+        // AdjustExtensionRangesWithMaxEndNumber.
+        end = kMaxExtensionRangeSentinel - 1;
+      } else {
+        DO(ConsumeInteger(&end, "Expected integer."));
+      }
+    } else {
+      LocationRecorder end_location(
+          location, DescriptorProto::ExtensionRange::kEndFieldNumber);
+      end_location.StartAt(start_token);
+      end_location.EndAt(start_token);
+      end = start;
+    }
+
+    // Users like to specify inclusive ranges, but in code we like the end
+    // number to be exclusive.
+    ++end;
+
+    range->set_start(start);
+    range->set_end(end);
+  } while (TryConsume(","));
+
+  DO(ConsumeEndOfDeclaration(";", &extensions_location));
+  return true;
+}
+
+bool Parser::ParseExtend(RepeatedPtrField<FieldDescriptorProto>* extensions,
+                         RepeatedPtrField<DescriptorProto>* messages,
+                         const LocationRecorder& parent_location,
+                         int location_field_number_for_nested_type,
+                         const LocationRecorder& extend_location) {
+  DO(Consume("extend"));
+
+  // Parse the extendee type.
+  io::Tokenizer::Token extendee_start = input_->current();
+  string extendee;
+  DO(ParseUserDefinedType(&extendee));
+  io::Tokenizer::Token extendee_end = input_->previous();
+
+  // Parse the block.
+  DO(ConsumeEndOfDeclaration("{", &extend_location));
+
+  bool is_first = true;
+
+  do {
+    if (AtEnd()) {
+      AddError("Reached end of input in extend definition (missing '}').");
+      return false;
+    }
+
+    // Note that kExtensionFieldNumber was already pushed by the parent.
+    LocationRecorder location(extend_location, extensions->size());
+
+    FieldDescriptorProto* field = extensions->Add();
+
+    {
+      LocationRecorder extendee_location(
+          location, FieldDescriptorProto::kExtendeeFieldNumber);
+      extendee_location.StartAt(extendee_start);
+      extendee_location.EndAt(extendee_end);
+
+      if (is_first) {
+        extendee_location.RecordLegacyLocation(
+            field, DescriptorPool::ErrorCollector::EXTENDEE);
+        is_first = false;
+      }
+    }
+
+    field->set_extendee(extendee);
+
+    if (!ParseMessageField(field, messages, parent_location,
+                           location_field_number_for_nested_type,
+                           location)) {
+      // This statement failed to parse.  Skip it, but keep looping to parse
+      // other statements.
+      SkipStatement();
+    }
+  } while (!TryConsumeEndOfDeclaration("}", NULL));
+
+  return true;
+}
+
+// -------------------------------------------------------------------
+// Enums
+
+bool Parser::ParseEnumDefinition(EnumDescriptorProto* enum_type,
+                                 const LocationRecorder& enum_location) {
+  DO(Consume("enum"));
+
+  {
+    LocationRecorder location(enum_location,
+                              EnumDescriptorProto::kNameFieldNumber);
+    location.RecordLegacyLocation(
+        enum_type, DescriptorPool::ErrorCollector::NAME);
+    DO(ConsumeIdentifier(enum_type->mutable_name(), "Expected enum name."));
+  }
+
+  DO(ParseEnumBlock(enum_type, enum_location));
+  return true;
+}
+
+bool Parser::ParseEnumBlock(EnumDescriptorProto* enum_type,
+                            const LocationRecorder& enum_location) {
+  DO(ConsumeEndOfDeclaration("{", &enum_location));
+
+  while (!TryConsumeEndOfDeclaration("}", NULL)) {
+    if (AtEnd()) {
+      AddError("Reached end of input in enum definition (missing '}').");
+      return false;
+    }
+
+    if (!ParseEnumStatement(enum_type, enum_location)) {
+      // This statement failed to parse.  Skip it, but keep looping to parse
+      // other statements.
+      SkipStatement();
+    }
+  }
+
+  return true;
+}
+
+bool Parser::ParseEnumStatement(EnumDescriptorProto* enum_type,
+                                const LocationRecorder& enum_location) {
+  if (TryConsumeEndOfDeclaration(";", NULL)) {
+    // empty statement; ignore
+    return true;
+  } else if (LookingAt("option")) {
+    LocationRecorder location(enum_location,
+                              EnumDescriptorProto::kOptionsFieldNumber);
+    return ParseOption(enum_type->mutable_options(), location,
+                       OPTION_STATEMENT);
+  } else {
+    LocationRecorder location(enum_location,
+        EnumDescriptorProto::kValueFieldNumber, enum_type->value_size());
+    return ParseEnumConstant(enum_type->add_value(), location);
+  }
+}
+
+bool Parser::ParseEnumConstant(EnumValueDescriptorProto* enum_value,
+                               const LocationRecorder& enum_value_location) {
+  // Parse name.
+  {
+    LocationRecorder location(enum_value_location,
+                              EnumValueDescriptorProto::kNameFieldNumber);
+    location.RecordLegacyLocation(
+        enum_value, DescriptorPool::ErrorCollector::NAME);
+    DO(ConsumeIdentifier(enum_value->mutable_name(),
+                         "Expected enum constant name."));
+  }
+
+  DO(Consume("=", "Missing numeric value for enum constant."));
+
+  // Parse value.
+  {
+    LocationRecorder location(
+        enum_value_location, EnumValueDescriptorProto::kNumberFieldNumber);
+    location.RecordLegacyLocation(
+        enum_value, DescriptorPool::ErrorCollector::NUMBER);
+
+    int number;
+    DO(ConsumeSignedInteger(&number, "Expected integer."));
+    enum_value->set_number(number);
+  }
+
+  DO(ParseEnumConstantOptions(enum_value, enum_value_location));
+
+  DO(ConsumeEndOfDeclaration(";", &enum_value_location));
+
+  return true;
+}
+
+bool Parser::ParseEnumConstantOptions(
+    EnumValueDescriptorProto* value,
+    const LocationRecorder& enum_value_location) {
+  if (!LookingAt("[")) return true;
+
+  LocationRecorder location(
+      enum_value_location, EnumValueDescriptorProto::kOptionsFieldNumber);
+
+  DO(Consume("["));
+
+  do {
+    DO(ParseOption(value->mutable_options(), location, OPTION_ASSIGNMENT));
+  } while (TryConsume(","));
+
+  DO(Consume("]"));
+  return true;
+}
+
+// -------------------------------------------------------------------
+// Services
+
+bool Parser::ParseServiceDefinition(ServiceDescriptorProto* service,
+                                    const LocationRecorder& service_location) {
+  DO(Consume("service"));
+
+  {
+    LocationRecorder location(service_location,
+                              ServiceDescriptorProto::kNameFieldNumber);
+    location.RecordLegacyLocation(
+        service, DescriptorPool::ErrorCollector::NAME);
+    DO(ConsumeIdentifier(service->mutable_name(), "Expected service name."));
+  }
+
+  DO(ParseServiceBlock(service, service_location));
+  return true;
+}
+
+bool Parser::ParseServiceBlock(ServiceDescriptorProto* service,
+                               const LocationRecorder& service_location) {
+  DO(ConsumeEndOfDeclaration("{", &service_location));
+
+  while (!TryConsumeEndOfDeclaration("}", NULL)) {
+    if (AtEnd()) {
+      AddError("Reached end of input in service definition (missing '}').");
+      return false;
+    }
+
+    if (!ParseServiceStatement(service, service_location)) {
+      // This statement failed to parse.  Skip it, but keep looping to parse
+      // other statements.
+      SkipStatement();
+    }
+  }
+
+  return true;
+}
+
+bool Parser::ParseServiceStatement(ServiceDescriptorProto* service,
+                                   const LocationRecorder& service_location) {
+  if (TryConsumeEndOfDeclaration(";", NULL)) {
+    // empty statement; ignore
+    return true;
+  } else if (LookingAt("option")) {
+    LocationRecorder location(
+        service_location, ServiceDescriptorProto::kOptionsFieldNumber);
+    return ParseOption(service->mutable_options(), location, OPTION_STATEMENT);
+  } else {
+    LocationRecorder location(service_location,
+        ServiceDescriptorProto::kMethodFieldNumber, service->method_size());
+    return ParseServiceMethod(service->add_method(), location);
+  }
+}
+
+bool Parser::ParseServiceMethod(MethodDescriptorProto* method,
+                                const LocationRecorder& method_location) {
+  DO(Consume("rpc"));
+
+  {
+    LocationRecorder location(method_location,
+                              MethodDescriptorProto::kNameFieldNumber);
+    location.RecordLegacyLocation(
+        method, DescriptorPool::ErrorCollector::NAME);
+    DO(ConsumeIdentifier(method->mutable_name(), "Expected method name."));
+  }
+
+  // Parse input type.
+  DO(Consume("("));
+  {
+    LocationRecorder location(method_location,
+                              MethodDescriptorProto::kInputTypeFieldNumber);
+    location.RecordLegacyLocation(
+        method, DescriptorPool::ErrorCollector::INPUT_TYPE);
+    DO(ParseUserDefinedType(method->mutable_input_type()));
+  }
+  DO(Consume(")"));
+
+  // Parse output type.
+  DO(Consume("returns"));
+  DO(Consume("("));
+  {
+    LocationRecorder location(method_location,
+                              MethodDescriptorProto::kOutputTypeFieldNumber);
+    location.RecordLegacyLocation(
+        method, DescriptorPool::ErrorCollector::OUTPUT_TYPE);
+    DO(ParseUserDefinedType(method->mutable_output_type()));
+  }
+  DO(Consume(")"));
+
+  if (LookingAt("{")) {
+    // Options!
+    DO(ParseOptions(method_location,
+                    MethodDescriptorProto::kOptionsFieldNumber,
+                    method->mutable_options()));
+  } else {
+    DO(ConsumeEndOfDeclaration(";", &method_location));
+  }
+
+  return true;
+}
+
+
+bool Parser::ParseOptions(const LocationRecorder& parent_location,
+                          const int optionsFieldNumber,
+                          Message* mutable_options) {
+  // Options!
+  ConsumeEndOfDeclaration("{", &parent_location);
+  while (!TryConsumeEndOfDeclaration("}", NULL)) {
+    if (AtEnd()) {
+      AddError("Reached end of input in method options (missing '}').");
+      return false;
+    }
+
+    if (TryConsumeEndOfDeclaration(";", NULL)) {
+      // empty statement; ignore
+    } else {
+      LocationRecorder location(parent_location,
+                                optionsFieldNumber);
+      if (!ParseOption(mutable_options, location, OPTION_STATEMENT)) {
+        // This statement failed to parse.  Skip it, but keep looping to
+        // parse other statements.
+        SkipStatement();
+      }
+    }
+  }
+
+  return true;
+}
+
+// -------------------------------------------------------------------
+
+bool Parser::ParseLabel(FieldDescriptorProto::Label* label) {
+  if (TryConsume("optional")) {
+    *label = FieldDescriptorProto::LABEL_OPTIONAL;
+    return true;
+  } else if (TryConsume("repeated")) {
+    *label = FieldDescriptorProto::LABEL_REPEATED;
+    return true;
+  } else if (TryConsume("required")) {
+    *label = FieldDescriptorProto::LABEL_REQUIRED;
+    return true;
+  } else {
+    AddError("Expected \"required\", \"optional\", or \"repeated\".");
+    // We can actually reasonably recover here by just assuming the user
+    // forgot the label altogether.
+    *label = FieldDescriptorProto::LABEL_OPTIONAL;
+    return true;
+  }
+}
+
+bool Parser::ParseType(FieldDescriptorProto::Type* type,
+                       string* type_name) {
+  TypeNameMap::const_iterator iter = kTypeNames.find(input_->current().text);
+  if (iter != kTypeNames.end()) {
+    *type = iter->second;
+    input_->Next();
+  } else {
+    DO(ParseUserDefinedType(type_name));
+  }
+  return true;
+}
+
+bool Parser::ParseUserDefinedType(string* type_name) {
+  type_name->clear();
+
+  TypeNameMap::const_iterator iter = kTypeNames.find(input_->current().text);
+  if (iter != kTypeNames.end()) {
+    // Note:  The only place enum types are allowed is for field types, but
+    //   if we are parsing a field type then we would not get here because
+    //   primitives are allowed there as well.  So this error message doesn't
+    //   need to account for enums.
+    AddError("Expected message type.");
+
+    // Pretend to accept this type so that we can go on parsing.
+    *type_name = input_->current().text;
+    input_->Next();
+    return true;
+  }
+
+  // A leading "." means the name is fully-qualified.
+  if (TryConsume(".")) type_name->append(".");
+
+  // Consume the first part of the name.
+  string identifier;
+  DO(ConsumeIdentifier(&identifier, "Expected type name."));
+  type_name->append(identifier);
+
+  // Consume more parts.
+  while (TryConsume(".")) {
+    type_name->append(".");
+    DO(ConsumeIdentifier(&identifier, "Expected identifier."));
+    type_name->append(identifier);
+  }
+
+  return true;
+}
+
+// ===================================================================
+
+bool Parser::ParsePackage(FileDescriptorProto* file,
+                          const LocationRecorder& root_location) {
+  if (file->has_package()) {
+    AddError("Multiple package definitions.");
+    // Don't append the new package to the old one.  Just replace it.  Not
+    // that it really matters since this is an error anyway.
+    file->clear_package();
+  }
+
+  DO(Consume("package"));
+
+  {
+    LocationRecorder location(root_location,
+                              FileDescriptorProto::kPackageFieldNumber);
+    location.RecordLegacyLocation(file, DescriptorPool::ErrorCollector::NAME);
+
+    while (true) {
+      string identifier;
+      DO(ConsumeIdentifier(&identifier, "Expected identifier."));
+      file->mutable_package()->append(identifier);
+      if (!TryConsume(".")) break;
+      file->mutable_package()->append(".");
+    }
+
+    location.EndAt(input_->previous());
+
+    DO(ConsumeEndOfDeclaration(";", &location));
+  }
+
+  return true;
+}
+
+bool Parser::ParseImport(RepeatedPtrField<string>* dependency,
+                         RepeatedField<int32>* public_dependency,
+                         RepeatedField<int32>* weak_dependency,
+                         const LocationRecorder& root_location) {
+  DO(Consume("import"));
+  if (LookingAt("public")) {
+    LocationRecorder location(
+        root_location, FileDescriptorProto::kPublicDependencyFieldNumber,
+        public_dependency->size());
+    DO(Consume("public"));
+    *public_dependency->Add() = dependency->size();
+  } else if (LookingAt("weak")) {
+    LocationRecorder location(
+        root_location, FileDescriptorProto::kWeakDependencyFieldNumber,
+        weak_dependency->size());
+    DO(Consume("weak"));
+    *weak_dependency->Add() = dependency->size();
+  }
+  {
+    LocationRecorder location(root_location,
+                              FileDescriptorProto::kDependencyFieldNumber,
+                              dependency->size());
+    DO(ConsumeString(dependency->Add(),
+      "Expected a string naming the file to import."));
+
+    location.EndAt(input_->previous());
+
+    DO(ConsumeEndOfDeclaration(";", &location));
+  }
+  return true;
+}
+
+// ===================================================================
+
+SourceLocationTable::SourceLocationTable() {}
+SourceLocationTable::~SourceLocationTable() {}
+
+bool SourceLocationTable::Find(
+    const Message* descriptor,
+    DescriptorPool::ErrorCollector::ErrorLocation location,
+    int* line, int* column) const {
+  const pair<int, int>* result =
+    FindOrNull(location_map_, make_pair(descriptor, location));
+  if (result == NULL) {
+    *line   = -1;
+    *column = 0;
+    return false;
+  } else {
+    *line   = result->first;
+    *column = result->second;
+    return true;
+  }
+}
+
+void SourceLocationTable::Add(
+    const Message* descriptor,
+    DescriptorPool::ErrorCollector::ErrorLocation location,
+    int line, int column) {
+  location_map_[make_pair(descriptor, location)] = make_pair(line, column);
+}
+
+void SourceLocationTable::Clear() {
+  location_map_.clear();
+}
+
+}  // namespace compiler
+}  // namespace protobuf
+}  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/parser.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/parser.h
similarity index 59%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/parser.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/parser.h
index 72c96d04..cfd3649b 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/parser.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/parser.h
@@ -74,6 +74,9 @@ class LIBPROTOBUF_EXPORT Parser {
 
   // Optional fetaures:
 
+  // DEPRECATED:  New code should use the SourceCodeInfo embedded in the
+  //   FileDescriptorProto.
+  //
   // Requests that locations of certain definitions be recorded to the given
   // SourceLocationTable while parsing.  This can be used to look up exact line
   // and column numbers for errors reported by DescriptorPool during validation.
@@ -82,7 +85,7 @@ class LIBPROTOBUF_EXPORT Parser {
     source_location_table_ = location_table;
   }
 
-  // Requsets that errors be recorded to the given ErrorCollector while
+  // Requests that errors be recorded to the given ErrorCollector while
   // parsing.  Set to NULL (the default) to discard error messages.
   void RecordErrorsTo(io::ErrorCollector* error_collector) {
     error_collector_ = error_collector;
@@ -113,6 +116,8 @@ class LIBPROTOBUF_EXPORT Parser {
   }
 
  private:
+  class LocationRecorder;
+
   // =================================================================
   // Error recovery helpers
 
@@ -161,6 +166,8 @@ class LIBPROTOBUF_EXPORT Parser {
   bool ConsumeIdentifier(string* output, const char* error);
   // Consume an integer and store its value in "output".
   bool ConsumeInteger(int* output, const char* error);
+  // Consume a signed integer and store its value in "output".
+  bool ConsumeSignedInteger(int* output, const char* error);
   // Consume a 64-bit integer and store its value in "output".  If the value
   // is greater than max_value, an error will be reported.
   bool ConsumeInteger64(uint64 max_value, uint64* output, const char* error);
@@ -170,6 +177,20 @@ class LIBPROTOBUF_EXPORT Parser {
   // Consume a string literal and store its (unescaped) value in "output".
   bool ConsumeString(string* output, const char* error);
 
+  // Consume a token representing the end of the statement.  Comments between
+  // this token and the next will be harvested for documentation.  The given
+  // LocationRecorder should refer to the declaration that was just parsed;
+  // it will be populated with these comments.
+  //
+  // TODO(kenton):  The LocationRecorder is const because historically locations
+  //   have been passed around by const reference, for no particularly good
+  //   reason.  We should probably go through and change them all to mutable
+  //   pointer to make this more intuitive.
+  bool TryConsumeEndOfDeclaration(const char* text,
+                                  const LocationRecorder* location);
+  bool ConsumeEndOfDeclaration(const char* text,
+                               const LocationRecorder* location);
+
   // -----------------------------------------------------------------
   // Error logging helpers
 
@@ -180,16 +201,64 @@ class LIBPROTOBUF_EXPORT Parser {
   // of the current token.
   void AddError(const string& error);
 
-  // Record the given line and column and associate it with this descriptor
-  // in the SourceLocationTable.
-  void RecordLocation(const Message* descriptor,
-                      DescriptorPool::ErrorCollector::ErrorLocation location,
-                      int line, int column);
+  // Records a location in the SourceCodeInfo.location table (see
+  // descriptor.proto).  We use RAII to ensure that the start and end locations
+  // are recorded -- the constructor records the start location and the
+  // destructor records the end location.  Since the parser is
+  // recursive-descent, this works out beautifully.
+  class LIBPROTOBUF_EXPORT LocationRecorder {
+   public:
+    // Construct the file's "root" location.
+    LocationRecorder(Parser* parser);
 
-  // Record the current line and column and associate it with this descriptor
-  // in the SourceLocationTable.
-  void RecordLocation(const Message* descriptor,
-                      DescriptorPool::ErrorCollector::ErrorLocation location);
+    // Construct a location that represents a declaration nested within the
+    // given parent.  E.g. a field's location is nested within the location
+    // for a message type.  The parent's path will be copied, so you should
+    // call AddPath() only to add the path components leading from the parent
+    // to the child (as opposed to leading from the root to the child).
+    LocationRecorder(const LocationRecorder& parent);
+
+    // Convenience constructors that call AddPath() one or two times.
+    LocationRecorder(const LocationRecorder& parent, int path1);
+    LocationRecorder(const LocationRecorder& parent, int path1, int path2);
+
+    ~LocationRecorder();
+
+    // Add a path component.  See SourceCodeInfo.Location.path in
+    // descriptor.proto.
+    void AddPath(int path_component);
+
+    // By default the location is considered to start at the current token at
+    // the time the LocationRecorder is created.  StartAt() sets the start
+    // location to the given token instead.
+    void StartAt(const io::Tokenizer::Token& token);
+
+    // By default the location is considered to end at the previous token at
+    // the time the LocationRecorder is destroyed.  EndAt() sets the end
+    // location to the given token instead.
+    void EndAt(const io::Tokenizer::Token& token);
+
+    // Records the start point of this location to the SourceLocationTable that
+    // was passed to RecordSourceLocationsTo(), if any.  SourceLocationTable
+    // is an older way of keeping track of source locations which is still
+    // used in some places.
+    void RecordLegacyLocation(const Message* descriptor,
+        DescriptorPool::ErrorCollector::ErrorLocation location);
+
+    // Attaches leading and trailing comments to the location.  The two strings
+    // will be swapped into place, so after this is called *leading and
+    // *trailing will be empty.
+    //
+    // TODO(kenton):  See comment on TryConsumeEndOfDeclaration(), above, for
+    //   why this is const.
+    void AttachComments(string* leading, string* trailing) const;
+
+   private:
+    Parser* parser_;
+    SourceCodeInfo::Location* location_;
+
+    void Init(const LocationRecorder& parent);
+  };
 
   // =================================================================
   // Parsers for various language constructs
@@ -210,50 +279,88 @@ class LIBPROTOBUF_EXPORT Parser {
   // makes logic much simpler for the caller.
 
   // Parse a top-level message, enum, service, etc.
-  bool ParseTopLevelStatement(FileDescriptorProto* file);
+  bool ParseTopLevelStatement(FileDescriptorProto* file,
+                              const LocationRecorder& root_location);
 
   // Parse various language high-level language construrcts.
-  bool ParseMessageDefinition(DescriptorProto* message);
-  bool ParseEnumDefinition(EnumDescriptorProto* enum_type);
-  bool ParseServiceDefinition(ServiceDescriptorProto* service);
-  bool ParsePackage(FileDescriptorProto* file);
-  bool ParseImport(string* import_filename);
-  bool ParseOption(Message* options);
+  bool ParseMessageDefinition(DescriptorProto* message,
+                              const LocationRecorder& message_location);
+  bool ParseEnumDefinition(EnumDescriptorProto* enum_type,
+                           const LocationRecorder& enum_location);
+  bool ParseServiceDefinition(ServiceDescriptorProto* service,
+                              const LocationRecorder& service_location);
+  bool ParsePackage(FileDescriptorProto* file,
+                    const LocationRecorder& root_location);
+  bool ParseImport(RepeatedPtrField<string>* dependency,
+                   RepeatedField<int32>* public_dependency,
+                   RepeatedField<int32>* weak_dependency,
+                   const LocationRecorder& root_location);
+  bool ParseOption(Message* options,
+                   const LocationRecorder& options_location);
 
   // These methods parse the contents of a message, enum, or service type and
   // add them to the given object.  They consume the entire block including
   // the beginning and ending brace.
-  bool ParseMessageBlock(DescriptorProto* message);
-  bool ParseEnumBlock(EnumDescriptorProto* enum_type);
-  bool ParseServiceBlock(ServiceDescriptorProto* service);
+  bool ParseMessageBlock(DescriptorProto* message,
+                         const LocationRecorder& message_location);
+  bool ParseEnumBlock(EnumDescriptorProto* enum_type,
+                      const LocationRecorder& enum_location);
+  bool ParseServiceBlock(ServiceDescriptorProto* service,
+                         const LocationRecorder& service_location);
 
   // Parse one statement within a message, enum, or service block, inclunding
   // final semicolon.
-  bool ParseMessageStatement(DescriptorProto* message);
-  bool ParseEnumStatement(EnumDescriptorProto* message);
-  bool ParseServiceStatement(ServiceDescriptorProto* message);
+  bool ParseMessageStatement(DescriptorProto* message,
+                             const LocationRecorder& message_location);
+  bool ParseEnumStatement(EnumDescriptorProto* message,
+                          const LocationRecorder& enum_location);
+  bool ParseServiceStatement(ServiceDescriptorProto* message,
+                             const LocationRecorder& service_location);
 
   // Parse a field of a message.  If the field is a group, its type will be
   // added to "messages".
+  //
+  // parent_location and location_field_number_for_nested_type are needed when
+  // parsing groups -- we need to generate a nested message type within the
+  // parent and record its location accordingly.  Since the parent could be
+  // either a FileDescriptorProto or a DescriptorProto, we must pass in the
+  // correct field number to use.
   bool ParseMessageField(FieldDescriptorProto* field,
-                         RepeatedPtrField<DescriptorProto>* messages);
+                         RepeatedPtrField<DescriptorProto>* messages,
+                         const LocationRecorder& parent_location,
+                         int location_field_number_for_nested_type,
+                         const LocationRecorder& field_location);
 
   // Parse an "extensions" declaration.
-  bool ParseExtensions(DescriptorProto* message);
+  bool ParseExtensions(DescriptorProto* message,
+                       const LocationRecorder& extensions_location);
 
-  // Parse an "extend" declaration.
+  // Parse an "extend" declaration.  (See also comments for
+  // ParseMessageField().)
   bool ParseExtend(RepeatedPtrField<FieldDescriptorProto>* extensions,
-                   RepeatedPtrField<DescriptorProto>* messages);
+                   RepeatedPtrField<DescriptorProto>* messages,
+                   const LocationRecorder& parent_location,
+                   int location_field_number_for_nested_type,
+                   const LocationRecorder& extend_location);
 
   // Parse a single enum value within an enum block.
-  bool ParseEnumConstant(EnumValueDescriptorProto* enum_value);
+  bool ParseEnumConstant(EnumValueDescriptorProto* enum_value,
+                         const LocationRecorder& enum_value_location);
 
   // Parse enum constant options, i.e. the list in square brackets at the end
   // of the enum constant value definition.
-  bool ParseEnumConstantOptions(EnumValueDescriptorProto* value);
+  bool ParseEnumConstantOptions(EnumValueDescriptorProto* value,
+                                const LocationRecorder& enum_value_location);
 
   // Parse a single method within a service definition.
-  bool ParseServiceMethod(MethodDescriptorProto* method);
+  bool ParseServiceMethod(MethodDescriptorProto* method,
+                          const LocationRecorder& method_location);
+
+
+  // Parse options of a single method or stream.
+  bool ParseOptions(const LocationRecorder& parent_location,
+                    const int optionsFieldNumber,
+                    Message* mutable_options);
 
   // Parse "required", "optional", or "repeated" and fill in "label"
   // with the value.
@@ -269,39 +376,71 @@ class LIBPROTOBUF_EXPORT Parser {
 
   // Parses field options, i.e. the stuff in square brackets at the end
   // of a field definition.  Also parses default value.
-  bool ParseFieldOptions(FieldDescriptorProto* field);
+  bool ParseFieldOptions(FieldDescriptorProto* field,
+                         const LocationRecorder& field_location);
 
   // Parse the "default" option.  This needs special handling because its
   // type is the field's type.
-  bool ParseDefaultAssignment(FieldDescriptorProto* field);
+  bool ParseDefaultAssignment(FieldDescriptorProto* field,
+                              const LocationRecorder& field_location);
+
+  enum OptionStyle {
+    OPTION_ASSIGNMENT,  // just "name = value"
+    OPTION_STATEMENT    // "option name = value;"
+  };
 
   // Parse a single option name/value pair, e.g. "ctype = CORD".  The name
   // identifies a field of the given Message, and the value of that field
   // is set to the parsed value.
-  bool ParseOptionAssignment(Message* options);
+  bool ParseOption(Message* options,
+                   const LocationRecorder& options_location,
+                   OptionStyle style);
 
   // Parses a single part of a multipart option name. A multipart name consists
   // of names separated by dots. Each name is either an identifier or a series
   // of identifiers separated by dots and enclosed in parentheses. E.g.,
   // "foo.(bar.baz).qux".
-  bool ParseOptionNamePart(UninterpretedOption* uninterpreted_option);
+  bool ParseOptionNamePart(UninterpretedOption* uninterpreted_option,
+                           const LocationRecorder& part_location);
+
+  // Parses a string surrounded by balanced braces.  Strips off the outer
+  // braces and stores the enclosed string in *value.
+  // E.g.,
+  //     { foo }                     *value gets 'foo'
+  //     { foo { bar: box } }        *value gets 'foo { bar: box }'
+  //     {}                          *value gets ''
+  //
+  // REQUIRES: LookingAt("{")
+  // When finished successfully, we are looking at the first token past
+  // the ending brace.
+  bool ParseUninterpretedBlock(string* value);
 
   // =================================================================
 
   io::Tokenizer* input_;
   io::ErrorCollector* error_collector_;
-  SourceLocationTable* source_location_table_;
+  SourceCodeInfo* source_code_info_;
+  SourceLocationTable* source_location_table_;  // legacy
   bool had_errors_;
   bool require_syntax_identifier_;
   bool stop_after_syntax_identifier_;
   string syntax_identifier_;
 
+  // Leading doc comments for the next declaration.  These are not complete
+  // yet; use ConsumeEndOfDeclaration() to get the complete comments.
+  string upcoming_doc_comments_;
+
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(Parser);
 };
 
 // A table mapping (descriptor, ErrorLocation) pairs -- as reported by
 // DescriptorPool when validating descriptors -- to line and column numbers
 // within the original source code.
+//
+// This is semi-obsolete:  FileDescriptorProto.source_code_info now contains
+// far more complete information about source locations.  However, as of this
+// writing you still need to use SourceLocationTable when integrating with
+// DescriptorPool.
 class LIBPROTOBUF_EXPORT SourceLocationTable {
  public:
   SourceLocationTable();
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/parser_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/parser_unittest.cc
similarity index 51%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/parser_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/parser_unittest.cc
index e2262b8b..c61ac60e 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/parser_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/parser_unittest.cc
@@ -34,6 +34,7 @@
 
 #include <vector>
 #include <algorithm>
+#include <map>
 
 #include <google/protobuf/compiler/parser.h>
 
@@ -43,8 +44,10 @@
 #include <google/protobuf/wire_format.h>
 #include <google/protobuf/text_format.h>
 #include <google/protobuf/unittest.pb.h>
+#include <google/protobuf/unittest_custom_options.pb.h>
 #include <google/protobuf/stubs/strutil.h>
 #include <google/protobuf/stubs/substitute.h>
+#include <google/protobuf/stubs/map-util.h>
 
 #include <google/protobuf/testing/googletest.h>
 #include <gtest/gtest.h>
@@ -118,6 +121,9 @@ class ParserTest : public testing::Test {
     EXPECT_EQ(io::Tokenizer::TYPE_END, input_->current().type);
     ASSERT_EQ("", error_collector_.text_);
 
+    // We don't cover SourceCodeInfo in these tests.
+    actual.clear_source_code_info();
+
     // Parse the ASCII representation in order to canonicalize it.  We could
     // just compare directly to actual.DebugString(), but that would require
     // that the caller precisely match the formatting that DebugString()
@@ -504,6 +510,31 @@ TEST_F(ParseMessageTest, CompoundExtensionRange) {
     "}");
 }
 
+TEST_F(ParseMessageTest, LargerMaxForMessageSetWireFormatMessages) {
+  // Messages using the message_set_wire_format option can accept larger
+  // extension numbers, as the numbers are not encoded as int32 field values
+  // rather than tags.
+  ExpectParsesTo(
+    "message TestMessage {\n"
+    "  extensions 4 to max;\n"
+    "  option message_set_wire_format = true;\n"
+    "}\n",
+
+    "message_type {"
+    "  name: \"TestMessage\""
+    "    extension_range { start:4 end: 0x7fffffff }"
+    "  options {\n"
+    "    uninterpreted_option { \n"
+    "      name {\n"
+    "        name_part: \"message_set_wire_format\"\n"
+    "        is_extension: false\n"
+    "      }\n"
+    "      identifier_value: \"true\"\n"
+    "    }\n"
+    "  }\n"
+    "}");
+}
+
 TEST_F(ParseMessageTest, Extensions) {
   ExpectParsesTo(
     "extend Extendee1 { optional int32 foo = 12; }\n"
@@ -566,6 +597,10 @@ TEST_F(ParseEnumTest, Values) {
     "  FOO = 13;\n"
     "  BAR = -10;\n"
     "  BAZ = 500;\n"
+    "  HEX_MAX = 0x7FFFFFFF;\n"
+    "  HEX_MIN = -0x80000000;\n"
+    "  INT_MAX = 2147483647;\n"
+    "  INT_MIN = -2147483648;\n"
     "}\n",
 
     "enum_type {"
@@ -573,6 +608,10 @@ TEST_F(ParseEnumTest, Values) {
     "  value { name:\"FOO\" number:13 }"
     "  value { name:\"BAR\" number:-10 }"
     "  value { name:\"BAZ\" number:500 }"
+    "  value { name:\"HEX_MAX\" number:2147483647 }"
+    "  value { name:\"HEX_MIN\" number:-2147483648 }"
+    "  value { name:\"INT_MAX\" number:2147483647 }"
+    "  value { name:\"INT_MIN\" number:-2147483648 }"
     "}");
 }
 
@@ -626,7 +665,7 @@ TEST_F(ParseServiceTest, SimpleService) {
     "}");
 }
 
-TEST_F(ParseServiceTest, Methods) {
+TEST_F(ParseServiceTest, MethodsAndStreams) {
   ExpectParsesTo(
     "service TestService {\n"
     "  rpc Foo(In1) returns (Out1);\n"
@@ -663,6 +702,20 @@ TEST_F(ParseMiscTest, ParseMultipleImports) {
     "dependency: \"baz.proto\"");
 }
 
+TEST_F(ParseMiscTest, ParsePublicImports) {
+  ExpectParsesTo(
+    "import \"foo.proto\";\n"
+    "import public \"bar.proto\";\n"
+    "import \"baz.proto\";\n"
+    "import public \"qux.proto\";\n",
+    "dependency: \"foo.proto\""
+    "dependency: \"bar.proto\""
+    "dependency: \"baz.proto\""
+    "dependency: \"qux.proto\""
+    "public_dependency: 1 "
+    "public_dependency: 3 ");
+}
+
 TEST_F(ParseMiscTest, ParsePackage) {
   ExpectParsesTo(
     "package foo.bar.baz;\n",
@@ -862,6 +915,20 @@ TEST_F(ParseErrorTest, DefaultValueTooLarge) {
     "6:36: Integer out of range.\n");
 }
 
+TEST_F(ParseErrorTest, EnumValueOutOfRange) {
+  ExpectHasErrors(
+    "enum TestEnum {\n"
+    "  HEX_TOO_BIG   =  0x80000000;\n"
+    "  HEX_TOO_SMALL = -0x80000001;\n"
+    "  INT_TOO_BIG   =  2147483648;\n"
+    "  INT_TOO_SMALL = -2147483649;\n"
+    "}\n",
+    "1:19: Integer out of range.\n"
+    "2:19: Integer out of range.\n"
+    "3:19: Integer out of range.\n"
+    "4:19: Integer out of range.\n");
+}
+
 TEST_F(ParseErrorTest, DefaultValueMissing) {
   ExpectHasErrors(
     "message TestMessage {\n"
@@ -930,6 +997,12 @@ TEST_F(ParseErrorTest, MultipleParseErrors) {
     "3:25: Expected \";\".\n");
 }
 
+TEST_F(ParseErrorTest, EofInAggregateValue) {
+  ExpectHasErrors(
+      "option (fileopt) = { i:100\n",
+      "1:0: Unexpected end of stream while parsing aggregate value.\n");
+}
+
 // -------------------------------------------------------------------
 // Enum errors
 
@@ -965,6 +1038,7 @@ TEST_F(ParseErrorTest, ServiceMethodPrimitiveParams) {
     "1:26: Expected message type.\n");
 }
 
+
 TEST_F(ParseErrorTest, EofInMethodOptions) {
   ExpectHasErrors(
     "service TestService {\n"
@@ -973,6 +1047,7 @@ TEST_F(ParseErrorTest, EofInMethodOptions) {
     "1:29: Reached end of input in service definition (missing '}').\n");
 }
 
+
 TEST_F(ParseErrorTest, PrimitiveMethodInput) {
   ExpectHasErrors(
     "service TestService {\n"
@@ -981,6 +1056,7 @@ TEST_F(ParseErrorTest, PrimitiveMethodInput) {
     "1:10: Expected message type.\n");
 }
 
+
 TEST_F(ParseErrorTest, MethodOptionTypeError) {
   // This used to cause an infinite loop.
   ExpectHasErrors(
@@ -991,6 +1067,7 @@ TEST_F(ParseErrorTest, MethodOptionTypeError) {
     "2:45: Expected \"=\".\n");
 }
 
+
 // -------------------------------------------------------------------
 // Import and package errors
 
@@ -1146,6 +1223,7 @@ TEST_F(ParserValidationErrorTest, MethodNameError) {
     "3:6: \"Bar\" is already defined in \"Foo\".\n");
 }
 
+
 TEST_F(ParserValidationErrorTest, MethodInputTypeError) {
   ExpectHasValidationErrors(
     "message Baz {}\n"
@@ -1155,6 +1233,7 @@ TEST_F(ParserValidationErrorTest, MethodInputTypeError) {
     "2:10: \"Qux\" is not defined.\n");
 }
 
+
 TEST_F(ParserValidationErrorTest, MethodOutputTypeError) {
   ExpectHasValidationErrors(
     "message Baz {}\n"
@@ -1164,6 +1243,7 @@ TEST_F(ParserValidationErrorTest, MethodOutputTypeError) {
     "2:23: \"Qux\" is not defined.\n");
 }
 
+
 // ===================================================================
 // Test that the output from FileDescriptor::DebugString() (and all other
 // descriptor types) is parseable, and results in the same Descriptor
@@ -1225,6 +1305,11 @@ TEST_F(ParseDecriptorDebugTest, TestAllDescriptorTypes) {
   // also need to give it the same name as the original.
   parsed.set_name("google/protobuf/unittest.proto");
   // We need the imported dependency before we can build our parsed proto
+  const FileDescriptor* public_import =
+      protobuf_unittest_import::PublicImportMessage::descriptor()->file();
+  FileDescriptorProto public_import_proto;
+  public_import->CopyTo(&public_import_proto);
+  ASSERT_TRUE(pool_.BuildFile(public_import_proto) != NULL);
   const FileDescriptor* import =
        protobuf_unittest_import::ImportMessage::descriptor()->file();
   FileDescriptorProto import_proto;
@@ -1247,6 +1332,1039 @@ TEST_F(ParseDecriptorDebugTest, TestAllDescriptorTypes) {
   EXPECT_EQ(expected.DebugString(), parsed.DebugString());
 }
 
+TEST_F(ParseDecriptorDebugTest, TestCustomOptions) {
+  const FileDescriptor* original_file =
+     protobuf_unittest::AggregateMessage::descriptor()->file();
+  FileDescriptorProto expected;
+  original_file->CopyTo(&expected);
+
+  string debug_string = original_file->DebugString();
+
+  // Parse the debug string
+  SetupParser(debug_string.c_str());
+  FileDescriptorProto parsed;
+  parser_->Parse(input_.get(), &parsed);
+  EXPECT_EQ(io::Tokenizer::TYPE_END, input_->current().type);
+  ASSERT_EQ("", error_collector_.text_);
+
+  // We now have a FileDescriptorProto, but to compare with the expected we
+  // need to link to a FileDecriptor, then output back to a proto. We'll
+  // also need to give it the same name as the original.
+  parsed.set_name(original_file->name());
+
+  // unittest_custom_options.proto depends on descriptor.proto.
+  const FileDescriptor* import = FileDescriptorProto::descriptor()->file();
+  FileDescriptorProto import_proto;
+  import->CopyTo(&import_proto);
+  ASSERT_TRUE(pool_.BuildFile(import_proto) != NULL);
+  const FileDescriptor* actual = pool_.BuildFile(parsed);
+  ASSERT_TRUE(actual != NULL);
+  parsed.Clear();
+  actual->CopyTo(&parsed);
+
+  // The messages might be in different orders, making them hard to compare.
+  // So, sort the messages in the descriptor protos (including nested messages,
+  // recursively).
+  SortMessages(&expected);
+  SortMessages(&parsed);
+
+  EXPECT_EQ(expected.DebugString(), parsed.DebugString());
+}
+
+// ===================================================================
+// SourceCodeInfo tests.
+
+// Follows a path -- as defined by SourceCodeInfo.Location.path -- from a
+// message to a particular sub-field.
+// * If the target is itself a message, sets *output_message to point at it,
+//   *output_field to NULL, and *output_index to -1.
+// * Otherwise, if the target is an element of a repeated field, sets
+//   *output_message to the containing message, *output_field to the descriptor
+//   of the field, and *output_index to the index of the element.
+// * Otherwise, the target is a field (possibly a repeated field, but not any
+//   one element).  Sets *output_message to the containing message,
+//   *output_field to the descriptor of the field, and *output_index to -1.
+// Returns true if the path was valid, false otherwise.  A gTest failure is
+// recorded before returning false.
+bool FollowPath(const Message& root,
+                const int* path_begin, const int* path_end,
+                const Message** output_message,
+                const FieldDescriptor** output_field,
+                int* output_index) {
+  if (path_begin == path_end) {
+    // Path refers to this whole message.
+    *output_message = &root;
+    *output_field = NULL;
+    *output_index = -1;
+    return true;
+  }
+
+  const Descriptor* descriptor = root.GetDescriptor();
+  const Reflection* reflection = root.GetReflection();
+
+  const FieldDescriptor* field = descriptor->FindFieldByNumber(*path_begin);
+
+  if (field == NULL) {
+    ADD_FAILURE() << descriptor->name() << " has no field number: "
+                  << *path_begin;
+    return false;
+  }
+
+  ++path_begin;
+
+  if (field->is_repeated()) {
+    if (path_begin == path_end) {
+      // Path refers to the whole repeated field.
+      *output_message = &root;
+      *output_field = field;
+      *output_index = -1;
+      return true;
+    }
+
+    int index = *path_begin++;
+    int size = reflection->FieldSize(root, field);
+
+    if (index >= size) {
+      ADD_FAILURE() << descriptor->name() << "." << field->name()
+                    << " has size " << size << ", but path contained index: "
+                    << index;
+      return false;
+    }
+
+    if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) {
+      // Descend into child message.
+      const Message& child = reflection->GetRepeatedMessage(root, field, index);
+      return FollowPath(child, path_begin, path_end,
+                        output_message, output_field, output_index);
+    } else if (path_begin == path_end) {
+      // Path refers to this element.
+      *output_message = &root;
+      *output_field = field;
+      *output_index = index;
+      return true;
+    } else {
+      ADD_FAILURE() << descriptor->name() << "." << field->name()
+                    << " is not a message; cannot descend into it.";
+      return false;
+    }
+  } else {
+    if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) {
+      const Message& child = reflection->GetMessage(root, field);
+      return FollowPath(child, path_begin, path_end,
+                        output_message, output_field, output_index);
+    } else if (path_begin == path_end) {
+      // Path refers to this field.
+      *output_message = &root;
+      *output_field = field;
+      *output_index = -1;
+      return true;
+    } else {
+      ADD_FAILURE() << descriptor->name() << "." << field->name()
+                    << " is not a message; cannot descend into it.";
+      return false;
+    }
+  }
+}
+
+// Check if two spans are equal.
+bool CompareSpans(const RepeatedField<int>& span1,
+                  const RepeatedField<int>& span2) {
+  if (span1.size() != span2.size()) return false;
+  for (int i = 0; i < span1.size(); i++) {
+    if (span1.Get(i) != span2.Get(i)) return false;
+  }
+  return true;
+}
+
+// Test fixture for source info tests, which check that source locations are
+// recorded correctly in FileDescriptorProto.source_code_info.location.
+class SourceInfoTest : public ParserTest {
+ protected:
+  // The parsed file (initialized by Parse()).
+  FileDescriptorProto file_;
+
+  // Parse the given text as a .proto file and populate the spans_ map with
+  // all the source location spans in its SourceCodeInfo table.
+  bool Parse(const char* text) {
+    ExtractMarkers(text);
+    SetupParser(text_without_markers_.c_str());
+    if (!parser_->Parse(input_.get(), &file_)) {
+      return false;
+    }
+
+    const SourceCodeInfo& source_info = file_.source_code_info();
+    for (int i = 0; i < source_info.location_size(); i++) {
+      const SourceCodeInfo::Location& location = source_info.location(i);
+      const Message* descriptor_proto = NULL;
+      const FieldDescriptor* field = NULL;
+      int index = 0;
+      if (!FollowPath(file_, location.path().begin(), location.path().end(),
+                      &descriptor_proto, &field, &index)) {
+        return false;
+      }
+
+      spans_.insert(make_pair(SpanKey(*descriptor_proto, field, index),
+                              &location));
+    }
+
+    return true;
+  }
+
+  virtual void TearDown() {
+    EXPECT_TRUE(spans_.empty())
+        << "Forgot to call HasSpan() for:\n"
+        << spans_.begin()->second->DebugString();
+  }
+
+  // -----------------------------------------------------------------
+  // HasSpan() checks that the span of source code delimited by the given
+  // tags (comments) correspond via the SourceCodeInfo table to the given
+  // part of the FileDescriptorProto.  (If unclear, look at the actual tests;
+  // it should quickly become obvious.)
+
+  bool HasSpan(char start_marker, char end_marker,
+               const Message& descriptor_proto) {
+    return HasSpanWithComment(
+        start_marker, end_marker, descriptor_proto, NULL, -1, NULL, NULL);
+  }
+
+  bool HasSpanWithComment(char start_marker, char end_marker,
+                          const Message& descriptor_proto,
+                          const char* expected_leading_comments,
+                          const char* expected_trailing_comments) {
+    return HasSpanWithComment(
+        start_marker, end_marker, descriptor_proto, NULL, -1,
+        expected_leading_comments, expected_trailing_comments);
+  }
+
+  bool HasSpan(char start_marker, char end_marker,
+               const Message& descriptor_proto, const string& field_name) {
+    return HasSpan(start_marker, end_marker, descriptor_proto, field_name, -1);
+  }
+
+  bool HasSpan(char start_marker, char end_marker,
+               const Message& descriptor_proto, const string& field_name,
+               int index) {
+    return HasSpan(start_marker, end_marker, descriptor_proto,
+                   field_name, index, NULL, NULL);
+  }
+
+  bool HasSpan(char start_marker, char end_marker,
+               const Message& descriptor_proto,
+               const string& field_name, int index,
+               const char* expected_leading_comments,
+               const char* expected_trailing_comments) {
+    const FieldDescriptor* field =
+        descriptor_proto.GetDescriptor()->FindFieldByName(field_name);
+    if (field == NULL) {
+      ADD_FAILURE() << descriptor_proto.GetDescriptor()->name()
+                    << " has no such field: " << field_name;
+      return false;
+    }
+
+    return HasSpanWithComment(
+        start_marker, end_marker, descriptor_proto, field, index,
+        expected_leading_comments, expected_trailing_comments);
+  }
+
+  bool HasSpan(const Message& descriptor_proto) {
+    return HasSpanWithComment(
+        '\0', '\0', descriptor_proto, NULL, -1, NULL, NULL);
+  }
+
+  bool HasSpan(const Message& descriptor_proto, const string& field_name) {
+    return HasSpan('\0', '\0', descriptor_proto, field_name, -1);
+  }
+
+  bool HasSpan(const Message& descriptor_proto, const string& field_name,
+               int index) {
+    return HasSpan('\0', '\0', descriptor_proto, field_name, index);
+  }
+
+  bool HasSpanWithComment(char start_marker, char end_marker,
+                          const Message& descriptor_proto,
+                          const FieldDescriptor* field, int index,
+                          const char* expected_leading_comments,
+                          const char* expected_trailing_comments) {
+    pair<SpanMap::iterator, SpanMap::iterator> range =
+        spans_.equal_range(SpanKey(descriptor_proto, field, index));
+
+    if (start_marker == '\0') {
+      if (range.first == range.second) {
+        return false;
+      } else {
+        spans_.erase(range.first);
+        return true;
+      }
+    } else {
+      pair<int, int> start_pos = FindOrDie(markers_, start_marker);
+      pair<int, int> end_pos = FindOrDie(markers_, end_marker);
+
+      RepeatedField<int> expected_span;
+      expected_span.Add(start_pos.first);
+      expected_span.Add(start_pos.second);
+      if (end_pos.first != start_pos.first) {
+        expected_span.Add(end_pos.first);
+      }
+      expected_span.Add(end_pos.second);
+
+      for (SpanMap::iterator iter = range.first; iter != range.second; ++iter) {
+        if (CompareSpans(expected_span, iter->second->span())) {
+          if (expected_leading_comments == NULL) {
+            EXPECT_FALSE(iter->second->has_leading_comments());
+          } else {
+            EXPECT_TRUE(iter->second->has_leading_comments());
+            EXPECT_EQ(expected_leading_comments,
+                      iter->second->leading_comments());
+          }
+          if (expected_trailing_comments == NULL) {
+            EXPECT_FALSE(iter->second->has_trailing_comments());
+          } else {
+            EXPECT_TRUE(iter->second->has_trailing_comments());
+            EXPECT_EQ(expected_trailing_comments,
+                      iter->second->trailing_comments());
+          }
+
+          spans_.erase(iter);
+          return true;
+        }
+      }
+
+      return false;
+    }
+  }
+
+ private:
+  struct SpanKey {
+    const Message* descriptor_proto;
+    const FieldDescriptor* field;
+    int index;
+
+    inline SpanKey() {}
+    inline SpanKey(const Message& descriptor_proto_param,
+                   const FieldDescriptor* field_param,
+                   int index_param)
+        : descriptor_proto(&descriptor_proto_param), field(field_param),
+          index(index_param) {}
+
+    inline bool operator<(const SpanKey& other) const {
+      if (descriptor_proto < other.descriptor_proto) return true;
+      if (descriptor_proto > other.descriptor_proto) return false;
+      if (field < other.field) return true;
+      if (field > other.field) return false;
+      return index < other.index;
+    }
+  };
+
+  typedef multimap<SpanKey, const SourceCodeInfo::Location*> SpanMap;
+  SpanMap spans_;
+  map<char, pair<int, int> > markers_;
+  string text_without_markers_;
+
+  void ExtractMarkers(const char* text) {
+    markers_.clear();
+    text_without_markers_.clear();
+    int line = 0;
+    int column = 0;
+    while (*text != '\0') {
+      if (*text == '$') {
+        ++text;
+        GOOGLE_CHECK_NE('\0', *text);
+        if (*text == '$') {
+          text_without_markers_ += '$';
+          ++column;
+        } else {
+          markers_[*text] = make_pair(line, column);
+          ++text;
+          GOOGLE_CHECK_EQ('$', *text);
+        }
+      } else if (*text == '\n') {
+        ++line;
+        column = 0;
+        text_without_markers_ += *text;
+      } else {
+        text_without_markers_ += *text;
+        ++column;
+      }
+      ++text;
+    }
+  }
+};
+
+TEST_F(SourceInfoTest, BasicFileDecls) {
+  EXPECT_TRUE(Parse(
+      "$a$syntax = \"proto2\";\n"
+      "package $b$foo.bar$c$;\n"
+      "import $d$\"baz.proto\"$e$;\n"
+      "import $f$\"qux.proto\"$g$;$h$\n"
+      "\n"
+      "// comment ignored\n"));
+
+  EXPECT_TRUE(HasSpan('a', 'h', file_));
+  EXPECT_TRUE(HasSpan('b', 'c', file_, "package"));
+  EXPECT_TRUE(HasSpan('d', 'e', file_, "dependency", 0));
+  EXPECT_TRUE(HasSpan('f', 'g', file_, "dependency", 1));
+}
+
+TEST_F(SourceInfoTest, Messages) {
+  EXPECT_TRUE(Parse(
+      "$a$message $b$Foo$c$ {}$d$\n"
+      "$e$message $f$Bar$g$ {}$h$\n"));
+
+  EXPECT_TRUE(HasSpan('a', 'd', file_.message_type(0)));
+  EXPECT_TRUE(HasSpan('b', 'c', file_.message_type(0), "name"));
+  EXPECT_TRUE(HasSpan('e', 'h', file_.message_type(1)));
+  EXPECT_TRUE(HasSpan('f', 'g', file_.message_type(1), "name"));
+
+  // Ignore these.
+  EXPECT_TRUE(HasSpan(file_));
+}
+
+TEST_F(SourceInfoTest, Fields) {
+  EXPECT_TRUE(Parse(
+      "message Foo {\n"
+      "  $a$optional$b$ $c$int32$d$ $e$bar$f$ = $g$1$h$;$i$\n"
+      "  $j$repeated$k$ $l$X.Y$m$ $n$baz$o$ = $p$2$q$;$r$\n"
+      "}\n"));
+
+  const FieldDescriptorProto& field1 = file_.message_type(0).field(0);
+  const FieldDescriptorProto& field2 = file_.message_type(0).field(1);
+
+  EXPECT_TRUE(HasSpan('a', 'i', field1));
+  EXPECT_TRUE(HasSpan('a', 'b', field1, "label"));
+  EXPECT_TRUE(HasSpan('c', 'd', field1, "type"));
+  EXPECT_TRUE(HasSpan('e', 'f', field1, "name"));
+  EXPECT_TRUE(HasSpan('g', 'h', field1, "number"));
+
+  EXPECT_TRUE(HasSpan('j', 'r', field2));
+  EXPECT_TRUE(HasSpan('j', 'k', field2, "label"));
+  EXPECT_TRUE(HasSpan('l', 'm', field2, "type_name"));
+  EXPECT_TRUE(HasSpan('n', 'o', field2, "name"));
+  EXPECT_TRUE(HasSpan('p', 'q', field2, "number"));
+
+  // Ignore these.
+  EXPECT_TRUE(HasSpan(file_));
+  EXPECT_TRUE(HasSpan(file_.message_type(0)));
+  EXPECT_TRUE(HasSpan(file_.message_type(0), "name"));
+}
+
+TEST_F(SourceInfoTest, Extensions) {
+  EXPECT_TRUE(Parse(
+      "$a$extend $b$Foo$c$ {\n"
+      "  $d$optional$e$ int32 bar = 1;$f$\n"
+      "  $g$repeated$h$ X.Y baz = 2;$i$\n"
+      "}$j$\n"
+      "$k$extend $l$Bar$m$ {\n"
+      "  $n$optional int32 qux = 1;$o$\n"
+      "}$p$\n"));
+
+  const FieldDescriptorProto& field1 = file_.extension(0);
+  const FieldDescriptorProto& field2 = file_.extension(1);
+  const FieldDescriptorProto& field3 = file_.extension(2);
+
+  EXPECT_TRUE(HasSpan('a', 'j', file_, "extension"));
+  EXPECT_TRUE(HasSpan('k', 'p', file_, "extension"));
+
+  EXPECT_TRUE(HasSpan('d', 'f', field1));
+  EXPECT_TRUE(HasSpan('d', 'e', field1, "label"));
+  EXPECT_TRUE(HasSpan('b', 'c', field1, "extendee"));
+
+  EXPECT_TRUE(HasSpan('g', 'i', field2));
+  EXPECT_TRUE(HasSpan('g', 'h', field2, "label"));
+  EXPECT_TRUE(HasSpan('b', 'c', field2, "extendee"));
+
+  EXPECT_TRUE(HasSpan('n', 'o', field3));
+  EXPECT_TRUE(HasSpan('l', 'm', field3, "extendee"));
+
+  // Ignore these.
+  EXPECT_TRUE(HasSpan(file_));
+  EXPECT_TRUE(HasSpan(field1, "type"));
+  EXPECT_TRUE(HasSpan(field1, "name"));
+  EXPECT_TRUE(HasSpan(field1, "number"));
+  EXPECT_TRUE(HasSpan(field2, "type_name"));
+  EXPECT_TRUE(HasSpan(field2, "name"));
+  EXPECT_TRUE(HasSpan(field2, "number"));
+  EXPECT_TRUE(HasSpan(field3, "label"));
+  EXPECT_TRUE(HasSpan(field3, "type"));
+  EXPECT_TRUE(HasSpan(field3, "name"));
+  EXPECT_TRUE(HasSpan(field3, "number"));
+}
+
+TEST_F(SourceInfoTest, NestedExtensions) {
+  EXPECT_TRUE(Parse(
+      "message Message {\n"
+      "  $a$extend $b$Foo$c$ {\n"
+      "    $d$optional$e$ int32 bar = 1;$f$\n"
+      "    $g$repeated$h$ X.Y baz = 2;$i$\n"
+      "  }$j$\n"
+      "  $k$extend $l$Bar$m$ {\n"
+      "    $n$optional int32 qux = 1;$o$\n"
+      "  }$p$\n"
+      "}\n"));
+
+  const FieldDescriptorProto& field1 = file_.message_type(0).extension(0);
+  const FieldDescriptorProto& field2 = file_.message_type(0).extension(1);
+  const FieldDescriptorProto& field3 = file_.message_type(0).extension(2);
+
+  EXPECT_TRUE(HasSpan('a', 'j', file_.message_type(0), "extension"));
+  EXPECT_TRUE(HasSpan('k', 'p', file_.message_type(0), "extension"));
+
+  EXPECT_TRUE(HasSpan('d', 'f', field1));
+  EXPECT_TRUE(HasSpan('d', 'e', field1, "label"));
+  EXPECT_TRUE(HasSpan('b', 'c', field1, "extendee"));
+
+  EXPECT_TRUE(HasSpan('g', 'i', field2));
+  EXPECT_TRUE(HasSpan('g', 'h', field2, "label"));
+  EXPECT_TRUE(HasSpan('b', 'c', field2, "extendee"));
+
+  EXPECT_TRUE(HasSpan('n', 'o', field3));
+  EXPECT_TRUE(HasSpan('l', 'm', field3, "extendee"));
+
+  // Ignore these.
+  EXPECT_TRUE(HasSpan(file_));
+  EXPECT_TRUE(HasSpan(file_.message_type(0)));
+  EXPECT_TRUE(HasSpan(file_.message_type(0), "name"));
+  EXPECT_TRUE(HasSpan(field1, "type"));
+  EXPECT_TRUE(HasSpan(field1, "name"));
+  EXPECT_TRUE(HasSpan(field1, "number"));
+  EXPECT_TRUE(HasSpan(field2, "type_name"));
+  EXPECT_TRUE(HasSpan(field2, "name"));
+  EXPECT_TRUE(HasSpan(field2, "number"));
+  EXPECT_TRUE(HasSpan(field3, "label"));
+  EXPECT_TRUE(HasSpan(field3, "type"));
+  EXPECT_TRUE(HasSpan(field3, "name"));
+  EXPECT_TRUE(HasSpan(field3, "number"));
+}
+
+TEST_F(SourceInfoTest, ExtensionRanges) {
+  EXPECT_TRUE(Parse(
+      "message Message {\n"
+      "  $a$extensions $b$1$c$ to $d$4$e$, $f$6$g$;$h$\n"
+      "  $i$extensions $j$8$k$ to $l$max$m$;$n$\n"
+      "}\n"));
+
+  const DescriptorProto::ExtensionRange& range1 =
+      file_.message_type(0).extension_range(0);
+  const DescriptorProto::ExtensionRange& range2 =
+      file_.message_type(0).extension_range(1);
+  const DescriptorProto::ExtensionRange& range3 =
+      file_.message_type(0).extension_range(2);
+
+  EXPECT_TRUE(HasSpan('a', 'h', file_.message_type(0), "extension_range"));
+  EXPECT_TRUE(HasSpan('i', 'n', file_.message_type(0), "extension_range"));
+
+  EXPECT_TRUE(HasSpan('b', 'e', range1));
+  EXPECT_TRUE(HasSpan('b', 'c', range1, "start"));
+  EXPECT_TRUE(HasSpan('d', 'e', range1, "end"));
+
+  EXPECT_TRUE(HasSpan('f', 'g', range2));
+  EXPECT_TRUE(HasSpan('f', 'g', range2, "start"));
+  EXPECT_TRUE(HasSpan('f', 'g', range2, "end"));
+
+  EXPECT_TRUE(HasSpan('j', 'm', range3));
+  EXPECT_TRUE(HasSpan('j', 'k', range3, "start"));
+  EXPECT_TRUE(HasSpan('l', 'm', range3, "end"));
+
+  // Ignore these.
+  EXPECT_TRUE(HasSpan(file_));
+  EXPECT_TRUE(HasSpan(file_.message_type(0)));
+  EXPECT_TRUE(HasSpan(file_.message_type(0), "name"));
+}
+
+TEST_F(SourceInfoTest, NestedMessages) {
+  EXPECT_TRUE(Parse(
+      "message Foo {\n"
+      "  $a$message $b$Bar$c$ {\n"
+      "    $d$message $e$Baz$f$ {}$g$\n"
+      "  }$h$\n"
+      "  $i$message $j$Qux$k$ {}$l$\n"
+      "}\n"));
+
+  const DescriptorProto& bar = file_.message_type(0).nested_type(0);
+  const DescriptorProto& baz = bar.nested_type(0);
+  const DescriptorProto& qux = file_.message_type(0).nested_type(1);
+
+  EXPECT_TRUE(HasSpan('a', 'h', bar));
+  EXPECT_TRUE(HasSpan('b', 'c', bar, "name"));
+  EXPECT_TRUE(HasSpan('d', 'g', baz));
+  EXPECT_TRUE(HasSpan('e', 'f', baz, "name"));
+  EXPECT_TRUE(HasSpan('i', 'l', qux));
+  EXPECT_TRUE(HasSpan('j', 'k', qux, "name"));
+
+  // Ignore these.
+  EXPECT_TRUE(HasSpan(file_));
+  EXPECT_TRUE(HasSpan(file_.message_type(0)));
+  EXPECT_TRUE(HasSpan(file_.message_type(0), "name"));
+}
+
+TEST_F(SourceInfoTest, Groups) {
+  EXPECT_TRUE(Parse(
+      "message Foo {\n"
+      "  message Bar {}\n"
+      "  $a$optional$b$ $c$group$d$ $e$Baz$f$ = $g$1$h$ {\n"
+      "    $i$message Qux {}$j$\n"
+      "  }$k$\n"
+      "}\n"));
+
+  const DescriptorProto& bar = file_.message_type(0).nested_type(0);
+  const DescriptorProto& baz = file_.message_type(0).nested_type(1);
+  const DescriptorProto& qux = baz.nested_type(0);
+  const FieldDescriptorProto& field = file_.message_type(0).field(0);
+
+  EXPECT_TRUE(HasSpan('a', 'k', field));
+  EXPECT_TRUE(HasSpan('a', 'b', field, "label"));
+  EXPECT_TRUE(HasSpan('c', 'd', field, "type"));
+  EXPECT_TRUE(HasSpan('e', 'f', field, "name"));
+  EXPECT_TRUE(HasSpan('e', 'f', field, "type_name"));
+  EXPECT_TRUE(HasSpan('g', 'h', field, "number"));
+
+  EXPECT_TRUE(HasSpan('a', 'k', baz));
+  EXPECT_TRUE(HasSpan('e', 'f', baz, "name"));
+  EXPECT_TRUE(HasSpan('i', 'j', qux));
+
+  // Ignore these.
+  EXPECT_TRUE(HasSpan(file_));
+  EXPECT_TRUE(HasSpan(file_.message_type(0)));
+  EXPECT_TRUE(HasSpan(file_.message_type(0), "name"));
+  EXPECT_TRUE(HasSpan(bar));
+  EXPECT_TRUE(HasSpan(bar, "name"));
+  EXPECT_TRUE(HasSpan(qux, "name"));
+}
+
+TEST_F(SourceInfoTest, Enums) {
+  EXPECT_TRUE(Parse(
+      "$a$enum $b$Foo$c$ {}$d$\n"
+      "$e$enum $f$Bar$g$ {}$h$\n"));
+
+  EXPECT_TRUE(HasSpan('a', 'd', file_.enum_type(0)));
+  EXPECT_TRUE(HasSpan('b', 'c', file_.enum_type(0), "name"));
+  EXPECT_TRUE(HasSpan('e', 'h', file_.enum_type(1)));
+  EXPECT_TRUE(HasSpan('f', 'g', file_.enum_type(1), "name"));
+
+  // Ignore these.
+  EXPECT_TRUE(HasSpan(file_));
+}
+
+TEST_F(SourceInfoTest, EnumValues) {
+  EXPECT_TRUE(Parse(
+      "enum Foo {\n"
+      "  $a$BAR$b$ = $c$1$d$;$e$\n"
+      "  $f$BAZ$g$ = $h$2$i$;$j$\n"
+      "}"));
+
+  const EnumValueDescriptorProto& bar = file_.enum_type(0).value(0);
+  const EnumValueDescriptorProto& baz = file_.enum_type(0).value(1);
+
+  EXPECT_TRUE(HasSpan('a', 'e', bar));
+  EXPECT_TRUE(HasSpan('a', 'b', bar, "name"));
+  EXPECT_TRUE(HasSpan('c', 'd', bar, "number"));
+  EXPECT_TRUE(HasSpan('f', 'j', baz));
+  EXPECT_TRUE(HasSpan('f', 'g', baz, "name"));
+  EXPECT_TRUE(HasSpan('h', 'i', baz, "number"));
+
+  // Ignore these.
+  EXPECT_TRUE(HasSpan(file_));
+  EXPECT_TRUE(HasSpan(file_.enum_type(0)));
+  EXPECT_TRUE(HasSpan(file_.enum_type(0), "name"));
+}
+
+TEST_F(SourceInfoTest, NestedEnums) {
+  EXPECT_TRUE(Parse(
+      "message Foo {\n"
+      "  $a$enum $b$Bar$c$ {}$d$\n"
+      "  $e$enum $f$Baz$g$ {}$h$\n"
+      "}\n"));
+
+  const EnumDescriptorProto& bar = file_.message_type(0).enum_type(0);
+  const EnumDescriptorProto& baz = file_.message_type(0).enum_type(1);
+
+  EXPECT_TRUE(HasSpan('a', 'd', bar));
+  EXPECT_TRUE(HasSpan('b', 'c', bar, "name"));
+  EXPECT_TRUE(HasSpan('e', 'h', baz));
+  EXPECT_TRUE(HasSpan('f', 'g', baz, "name"));
+
+  // Ignore these.
+  EXPECT_TRUE(HasSpan(file_));
+  EXPECT_TRUE(HasSpan(file_.message_type(0)));
+  EXPECT_TRUE(HasSpan(file_.message_type(0), "name"));
+}
+
+TEST_F(SourceInfoTest, Services) {
+  EXPECT_TRUE(Parse(
+      "$a$service $b$Foo$c$ {}$d$\n"
+      "$e$service $f$Bar$g$ {}$h$\n"));
+
+  EXPECT_TRUE(HasSpan('a', 'd', file_.service(0)));
+  EXPECT_TRUE(HasSpan('b', 'c', file_.service(0), "name"));
+  EXPECT_TRUE(HasSpan('e', 'h', file_.service(1)));
+  EXPECT_TRUE(HasSpan('f', 'g', file_.service(1), "name"));
+
+  // Ignore these.
+  EXPECT_TRUE(HasSpan(file_));
+}
+
+TEST_F(SourceInfoTest, MethodsAndStreams) {
+  EXPECT_TRUE(Parse(
+      "service Foo {\n"
+      "  $a$rpc $b$Bar$c$($d$X$e$) returns($f$Y$g$);$h$"
+      "  $i$rpc $j$Baz$k$($l$Z$m$) returns($n$W$o$);$p$"
+      "}"));
+
+  const MethodDescriptorProto& bar = file_.service(0).method(0);
+  const MethodDescriptorProto& baz = file_.service(0).method(1);
+
+  EXPECT_TRUE(HasSpan('a', 'h', bar));
+  EXPECT_TRUE(HasSpan('b', 'c', bar, "name"));
+  EXPECT_TRUE(HasSpan('d', 'e', bar, "input_type"));
+  EXPECT_TRUE(HasSpan('f', 'g', bar, "output_type"));
+
+  EXPECT_TRUE(HasSpan('i', 'p', baz));
+  EXPECT_TRUE(HasSpan('j', 'k', baz, "name"));
+  EXPECT_TRUE(HasSpan('l', 'm', baz, "input_type"));
+  EXPECT_TRUE(HasSpan('n', 'o', baz, "output_type"));
+
+  // Ignore these.
+  EXPECT_TRUE(HasSpan(file_));
+  EXPECT_TRUE(HasSpan(file_.service(0)));
+  EXPECT_TRUE(HasSpan(file_.service(0), "name"));
+}
+
+TEST_F(SourceInfoTest, Options) {
+  EXPECT_TRUE(Parse(
+      "$a$option $b$foo$c$.$d$($e$bar.baz$f$)$g$ = "
+          "$h$123$i$;$j$\n"
+      "$k$option qux = $l$-123$m$;$n$\n"
+      "$o$option corge = $p$abc$q$;$r$\n"
+      "$s$option grault = $t$'blah'$u$;$v$\n"
+      "$w$option garply = $x${ yadda yadda }$y$;$z$\n"
+      "$0$option waldo = $1$123.0$2$;$3$\n"
+  ));
+
+  const UninterpretedOption& option1 = file_.options().uninterpreted_option(0);
+  const UninterpretedOption& option2 = file_.options().uninterpreted_option(1);
+  const UninterpretedOption& option3 = file_.options().uninterpreted_option(2);
+  const UninterpretedOption& option4 = file_.options().uninterpreted_option(3);
+  const UninterpretedOption& option5 = file_.options().uninterpreted_option(4);
+  const UninterpretedOption& option6 = file_.options().uninterpreted_option(5);
+
+  EXPECT_TRUE(HasSpan('a', 'j', file_.options()));
+  EXPECT_TRUE(HasSpan('a', 'j', option1));
+  EXPECT_TRUE(HasSpan('b', 'g', option1, "name"));
+  EXPECT_TRUE(HasSpan('b', 'c', option1.name(0)));
+  EXPECT_TRUE(HasSpan('b', 'c', option1.name(0), "name_part"));
+  EXPECT_TRUE(HasSpan('d', 'g', option1.name(1)));
+  EXPECT_TRUE(HasSpan('e', 'f', option1.name(1), "name_part"));
+  EXPECT_TRUE(HasSpan('h', 'i', option1, "positive_int_value"));
+
+  EXPECT_TRUE(HasSpan('k', 'n', file_.options()));
+  EXPECT_TRUE(HasSpan('l', 'm', option2, "negative_int_value"));
+
+  EXPECT_TRUE(HasSpan('o', 'r', file_.options()));
+  EXPECT_TRUE(HasSpan('p', 'q', option3, "identifier_value"));
+
+  EXPECT_TRUE(HasSpan('s', 'v', file_.options()));
+  EXPECT_TRUE(HasSpan('t', 'u', option4, "string_value"));
+
+  EXPECT_TRUE(HasSpan('w', 'z', file_.options()));
+  EXPECT_TRUE(HasSpan('x', 'y', option5, "aggregate_value"));
+
+  EXPECT_TRUE(HasSpan('0', '3', file_.options()));
+  EXPECT_TRUE(HasSpan('1', '2', option6, "double_value"));
+
+  // Ignore these.
+  EXPECT_TRUE(HasSpan(file_));
+  EXPECT_TRUE(HasSpan(option2));
+  EXPECT_TRUE(HasSpan(option3));
+  EXPECT_TRUE(HasSpan(option4));
+  EXPECT_TRUE(HasSpan(option5));
+  EXPECT_TRUE(HasSpan(option6));
+  EXPECT_TRUE(HasSpan(option2, "name"));
+  EXPECT_TRUE(HasSpan(option3, "name"));
+  EXPECT_TRUE(HasSpan(option4, "name"));
+  EXPECT_TRUE(HasSpan(option5, "name"));
+  EXPECT_TRUE(HasSpan(option6, "name"));
+  EXPECT_TRUE(HasSpan(option2.name(0)));
+  EXPECT_TRUE(HasSpan(option3.name(0)));
+  EXPECT_TRUE(HasSpan(option4.name(0)));
+  EXPECT_TRUE(HasSpan(option5.name(0)));
+  EXPECT_TRUE(HasSpan(option6.name(0)));
+  EXPECT_TRUE(HasSpan(option2.name(0), "name_part"));
+  EXPECT_TRUE(HasSpan(option3.name(0), "name_part"));
+  EXPECT_TRUE(HasSpan(option4.name(0), "name_part"));
+  EXPECT_TRUE(HasSpan(option5.name(0), "name_part"));
+  EXPECT_TRUE(HasSpan(option6.name(0), "name_part"));
+}
+
+TEST_F(SourceInfoTest, ScopedOptions) {
+  EXPECT_TRUE(Parse(
+    "message Foo {\n"
+    "  $a$option mopt = 1;$b$\n"
+    "}\n"
+    "enum Bar {\n"
+    "  $c$option eopt = 1;$d$\n"
+    "}\n"
+    "service Baz {\n"
+    "  $e$option sopt = 1;$f$\n"
+    "  rpc M(X) returns(Y) {\n"
+    "    $g$option mopt = 1;$h$\n"
+    "  }\n"
+    "}\n"));
+
+  EXPECT_TRUE(HasSpan('a', 'b', file_.message_type(0).options()));
+  EXPECT_TRUE(HasSpan('c', 'd', file_.enum_type(0).options()));
+  EXPECT_TRUE(HasSpan('e', 'f', file_.service(0).options()));
+  EXPECT_TRUE(HasSpan('g', 'h', file_.service(0).method(0).options()));
+
+  // Ignore these.
+  EXPECT_TRUE(HasSpan(file_));
+  EXPECT_TRUE(HasSpan(file_.message_type(0)));
+  EXPECT_TRUE(HasSpan(file_.message_type(0), "name"));
+  EXPECT_TRUE(HasSpan(file_.message_type(0).options()
+                      .uninterpreted_option(0)));
+  EXPECT_TRUE(HasSpan(file_.message_type(0).options()
+                      .uninterpreted_option(0), "name"));
+  EXPECT_TRUE(HasSpan(file_.message_type(0).options()
+                      .uninterpreted_option(0).name(0)));
+  EXPECT_TRUE(HasSpan(file_.message_type(0).options()
+                      .uninterpreted_option(0).name(0), "name_part"));
+  EXPECT_TRUE(HasSpan(file_.message_type(0).options()
+                      .uninterpreted_option(0), "positive_int_value"));
+  EXPECT_TRUE(HasSpan(file_.enum_type(0)));
+  EXPECT_TRUE(HasSpan(file_.enum_type(0), "name"));
+  EXPECT_TRUE(HasSpan(file_.enum_type(0).options()
+                      .uninterpreted_option(0)));
+  EXPECT_TRUE(HasSpan(file_.enum_type(0).options()
+                      .uninterpreted_option(0), "name"));
+  EXPECT_TRUE(HasSpan(file_.enum_type(0).options()
+                      .uninterpreted_option(0).name(0)));
+  EXPECT_TRUE(HasSpan(file_.enum_type(0).options()
+                      .uninterpreted_option(0).name(0), "name_part"));
+  EXPECT_TRUE(HasSpan(file_.enum_type(0).options()
+                      .uninterpreted_option(0), "positive_int_value"));
+  EXPECT_TRUE(HasSpan(file_.service(0)));
+  EXPECT_TRUE(HasSpan(file_.service(0), "name"));
+  EXPECT_TRUE(HasSpan(file_.service(0).method(0)));
+  EXPECT_TRUE(HasSpan(file_.service(0).options()
+                      .uninterpreted_option(0)));
+  EXPECT_TRUE(HasSpan(file_.service(0).options()
+                      .uninterpreted_option(0), "name"));
+  EXPECT_TRUE(HasSpan(file_.service(0).options()
+                      .uninterpreted_option(0).name(0)));
+  EXPECT_TRUE(HasSpan(file_.service(0).options()
+                      .uninterpreted_option(0).name(0), "name_part"));
+  EXPECT_TRUE(HasSpan(file_.service(0).options()
+                      .uninterpreted_option(0), "positive_int_value"));
+  EXPECT_TRUE(HasSpan(file_.service(0).method(0), "name"));
+  EXPECT_TRUE(HasSpan(file_.service(0).method(0), "input_type"));
+  EXPECT_TRUE(HasSpan(file_.service(0).method(0), "output_type"));
+  EXPECT_TRUE(HasSpan(file_.service(0).method(0).options()
+                      .uninterpreted_option(0)));
+  EXPECT_TRUE(HasSpan(file_.service(0).method(0).options()
+                      .uninterpreted_option(0), "name"));
+  EXPECT_TRUE(HasSpan(file_.service(0).method(0).options()
+                      .uninterpreted_option(0).name(0)));
+  EXPECT_TRUE(HasSpan(file_.service(0).method(0).options()
+                      .uninterpreted_option(0).name(0), "name_part"));
+  EXPECT_TRUE(HasSpan(file_.service(0).method(0).options()
+                      .uninterpreted_option(0), "positive_int_value"));
+}
+
+TEST_F(SourceInfoTest, FieldOptions) {
+  // The actual "name = value" pairs are parsed by the same code as for
+  // top-level options so we won't re-test that -- just make sure that the
+  // syntax used for field options is understood.
+  EXPECT_TRUE(Parse(
+      "message Foo {"
+      "  optional int32 bar = 1 "
+          "$a$[default=$b$123$c$,$d$opt1=123$e$,"
+          "$f$opt2='hi'$g$]$h$;"
+      "}\n"
+  ));
+
+  const FieldDescriptorProto& field = file_.message_type(0).field(0);
+  const UninterpretedOption& option1 = field.options().uninterpreted_option(0);
+  const UninterpretedOption& option2 = field.options().uninterpreted_option(1);
+
+  EXPECT_TRUE(HasSpan('a', 'h', field.options()));
+  EXPECT_TRUE(HasSpan('b', 'c', field, "default_value"));
+  EXPECT_TRUE(HasSpan('d', 'e', option1));
+  EXPECT_TRUE(HasSpan('f', 'g', option2));
+
+  // Ignore these.
+  EXPECT_TRUE(HasSpan(file_));
+  EXPECT_TRUE(HasSpan(file_.message_type(0)));
+  EXPECT_TRUE(HasSpan(file_.message_type(0), "name"));
+  EXPECT_TRUE(HasSpan(field));
+  EXPECT_TRUE(HasSpan(field, "label"));
+  EXPECT_TRUE(HasSpan(field, "type"));
+  EXPECT_TRUE(HasSpan(field, "name"));
+  EXPECT_TRUE(HasSpan(field, "number"));
+  EXPECT_TRUE(HasSpan(option1, "name"));
+  EXPECT_TRUE(HasSpan(option2, "name"));
+  EXPECT_TRUE(HasSpan(option1.name(0)));
+  EXPECT_TRUE(HasSpan(option2.name(0)));
+  EXPECT_TRUE(HasSpan(option1.name(0), "name_part"));
+  EXPECT_TRUE(HasSpan(option2.name(0), "name_part"));
+  EXPECT_TRUE(HasSpan(option1, "positive_int_value"));
+  EXPECT_TRUE(HasSpan(option2, "string_value"));
+}
+
+TEST_F(SourceInfoTest, EnumValueOptions) {
+  // The actual "name = value" pairs are parsed by the same code as for
+  // top-level options so we won't re-test that -- just make sure that the
+  // syntax used for enum options is understood.
+  EXPECT_TRUE(Parse(
+      "enum Foo {"
+      "  BAR = 1 $a$[$b$opt1=123$c$,$d$opt2='hi'$e$]$f$;"
+      "}\n"
+  ));
+
+  const EnumValueDescriptorProto& value = file_.enum_type(0).value(0);
+  const UninterpretedOption& option1 = value.options().uninterpreted_option(0);
+  const UninterpretedOption& option2 = value.options().uninterpreted_option(1);
+
+  EXPECT_TRUE(HasSpan('a', 'f', value.options()));
+  EXPECT_TRUE(HasSpan('b', 'c', option1));
+  EXPECT_TRUE(HasSpan('d', 'e', option2));
+
+  // Ignore these.
+  EXPECT_TRUE(HasSpan(file_));
+  EXPECT_TRUE(HasSpan(file_.enum_type(0)));
+  EXPECT_TRUE(HasSpan(file_.enum_type(0), "name"));
+  EXPECT_TRUE(HasSpan(value));
+  EXPECT_TRUE(HasSpan(value, "name"));
+  EXPECT_TRUE(HasSpan(value, "number"));
+  EXPECT_TRUE(HasSpan(option1, "name"));
+  EXPECT_TRUE(HasSpan(option2, "name"));
+  EXPECT_TRUE(HasSpan(option1.name(0)));
+  EXPECT_TRUE(HasSpan(option2.name(0)));
+  EXPECT_TRUE(HasSpan(option1.name(0), "name_part"));
+  EXPECT_TRUE(HasSpan(option2.name(0), "name_part"));
+  EXPECT_TRUE(HasSpan(option1, "positive_int_value"));
+  EXPECT_TRUE(HasSpan(option2, "string_value"));
+}
+
+TEST_F(SourceInfoTest, DocComments) {
+  EXPECT_TRUE(Parse(
+      "// Foo leading\n"
+      "// line 2\n"
+      "$a$message Foo {\n"
+      "  // Foo trailing\n"
+      "  // line 2\n"
+      "\n"
+      "  // ignored\n"
+      "\n"
+      "  // bar leading\n"
+      "  $b$optional int32 bar = 1;$c$\n"
+      "  // bar trailing\n"
+      "}$d$\n"
+      "// ignored\n"
+  ));
+
+  const DescriptorProto& foo = file_.message_type(0);
+  const FieldDescriptorProto& bar = foo.field(0);
+
+  EXPECT_TRUE(HasSpanWithComment('a', 'd', foo,
+      " Foo leading\n line 2\n",
+      " Foo trailing\n line 2\n"));
+  EXPECT_TRUE(HasSpanWithComment('b', 'c', bar,
+      " bar leading\n",
+      " bar trailing\n"));
+
+  // Ignore these.
+  EXPECT_TRUE(HasSpan(file_));
+  EXPECT_TRUE(HasSpan(foo, "name"));
+  EXPECT_TRUE(HasSpan(bar, "label"));
+  EXPECT_TRUE(HasSpan(bar, "type"));
+  EXPECT_TRUE(HasSpan(bar, "name"));
+  EXPECT_TRUE(HasSpan(bar, "number"));
+}
+
+TEST_F(SourceInfoTest, DocComments2) {
+  EXPECT_TRUE(Parse(
+      "// ignored\n"
+      "syntax = \"proto2\";\n"
+      "// Foo leading\n"
+      "// line 2\n"
+      "$a$message Foo {\n"
+      "  /* Foo trailing\n"
+      "   * line 2 */\n"
+      "  // ignored\n"
+      "  /* bar leading\n"
+      "   */"
+      "  $b$optional int32 bar = 1;$c$  // bar trailing\n"
+      "  // ignored\n"
+      "}$d$\n"
+      "// ignored\n"
+      "\n"
+      "// option leading\n"
+      "$e$option baz = 123;$f$\n"
+      "// option trailing\n"
+  ));
+
+  const DescriptorProto& foo = file_.message_type(0);
+  const FieldDescriptorProto& bar = foo.field(0);
+  const UninterpretedOption& baz = file_.options().uninterpreted_option(0);
+
+  EXPECT_TRUE(HasSpanWithComment('a', 'd', foo,
+      " Foo leading\n line 2\n",
+      " Foo trailing\n line 2 "));
+  EXPECT_TRUE(HasSpanWithComment('b', 'c', bar,
+      " bar leading\n",
+      " bar trailing\n"));
+  EXPECT_TRUE(HasSpanWithComment('e', 'f', baz,
+      " option leading\n",
+      " option trailing\n"));
+
+  // Ignore these.
+  EXPECT_TRUE(HasSpan(file_));
+  EXPECT_TRUE(HasSpan(foo, "name"));
+  EXPECT_TRUE(HasSpan(bar, "label"));
+  EXPECT_TRUE(HasSpan(bar, "type"));
+  EXPECT_TRUE(HasSpan(bar, "name"));
+  EXPECT_TRUE(HasSpan(bar, "number"));
+  EXPECT_TRUE(HasSpan(file_.options()));
+  EXPECT_TRUE(HasSpan(baz, "name"));
+  EXPECT_TRUE(HasSpan(baz.name(0)));
+  EXPECT_TRUE(HasSpan(baz.name(0), "name_part"));
+  EXPECT_TRUE(HasSpan(baz, "positive_int_value"));
+}
+
+TEST_F(SourceInfoTest, DocComments3) {
+  EXPECT_TRUE(Parse(
+      "$a$message Foo {\n"
+      "  // bar leading\n"
+      "  $b$optional int32 bar = 1 [(baz.qux) = {}];$c$\n"
+      "  // bar trailing\n"
+      "}$d$\n"
+      "// ignored\n"
+  ));
+
+  const DescriptorProto& foo = file_.message_type(0);
+  const FieldDescriptorProto& bar = foo.field(0);
+
+  EXPECT_TRUE(HasSpanWithComment('b', 'c', bar,
+      " bar leading\n",
+      " bar trailing\n"));
+
+  // Ignore these.
+  EXPECT_TRUE(HasSpan(file_));
+  EXPECT_TRUE(HasSpan(foo));
+  EXPECT_TRUE(HasSpan(foo, "name"));
+  EXPECT_TRUE(HasSpan(bar, "label"));
+  EXPECT_TRUE(HasSpan(bar, "type"));
+  EXPECT_TRUE(HasSpan(bar, "name"));
+  EXPECT_TRUE(HasSpan(bar, "number"));
+  EXPECT_TRUE(HasSpan(bar.options()));
+  EXPECT_TRUE(HasSpan(bar.options().uninterpreted_option(0)));
+  EXPECT_TRUE(HasSpan(bar.options().uninterpreted_option(0), "name"));
+  EXPECT_TRUE(HasSpan(bar.options().uninterpreted_option(0).name(0)));
+  EXPECT_TRUE(HasSpan(
+      bar.options().uninterpreted_option(0).name(0), "name_part"));
+  EXPECT_TRUE(HasSpan(
+      bar.options().uninterpreted_option(0), "aggregate_value"));
+}
+
 // ===================================================================
 
 }  // anonymous namespace
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/plugin.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/plugin.cc
similarity index 82%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/plugin.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/plugin.cc
index a4aedafb..727f9421 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/plugin.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/plugin.cc
@@ -59,13 +59,15 @@ namespace google {
 namespace protobuf {
 namespace compiler {
 
-class GeneratorResponseOutputDirectory : public OutputDirectory {
+class GeneratorResponseContext : public GeneratorContext {
  public:
-  GeneratorResponseOutputDirectory(CodeGeneratorResponse* response)
-      : response_(response) {}
-  virtual ~GeneratorResponseOutputDirectory() {}
+  GeneratorResponseContext(CodeGeneratorResponse* response,
+                           const vector<const FileDescriptor*>& parsed_files)
+      : response_(response),
+        parsed_files_(parsed_files) {}
+  virtual ~GeneratorResponseContext() {}
 
-  // implements OutputDirectory --------------------------------------
+  // implements GeneratorContext --------------------------------------
 
   virtual io::ZeroCopyOutputStream* Open(const string& filename) {
     CodeGeneratorResponse::File* file = response_->add_file();
@@ -81,8 +83,13 @@ class GeneratorResponseOutputDirectory : public OutputDirectory {
     return new io::StringOutputStream(file->mutable_content());
   }
 
+  void ListParsedFiles(vector<const FileDescriptor*>* output) {
+    *output = parsed_files_;
+  }
+
  private:
   CodeGeneratorResponse* response_;
+  const vector<const FileDescriptor*>& parsed_files_;
 };
 
 int PluginMain(int argc, char* argv[], const CodeGenerator* generator) {
@@ -112,22 +119,26 @@ int PluginMain(int argc, char* argv[], const CodeGenerator* generator) {
     }
   }
 
-  CodeGeneratorResponse response;
-  GeneratorResponseOutputDirectory output_directory(&response);
-
+  vector<const FileDescriptor*> parsed_files;
   for (int i = 0; i < request.file_to_generate_size(); i++) {
-    const FileDescriptor* file =
-        pool.FindFileByName(request.file_to_generate(i));
-    if (file == NULL) {
+    parsed_files.push_back(pool.FindFileByName(request.file_to_generate(i)));
+    if (parsed_files.back() == NULL) {
       cerr << argv[0] << ": protoc asked plugin to generate a file but "
               "did not provide a descriptor for the file: "
            << request.file_to_generate(i) << endl;
       return 1;
     }
+  }
+
+  CodeGeneratorResponse response;
+  GeneratorResponseContext context(&response, parsed_files);
+
+  for (int i = 0; i < parsed_files.size(); i++) {
+    const FileDescriptor* file = parsed_files[i];
 
     string error;
     bool succeeded = generator->Generate(
-        file, request.parameter(), &output_directory, &error);
+        file, request.parameter(), &context, &error);
 
     if (!succeeded && error.empty()) {
       error = "Code generator returned false but provided no error "
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/plugin.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/plugin.h
similarity index 99%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/plugin.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/plugin.h
index 7c403332..6fa2de12 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/plugin.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/plugin.h
@@ -56,7 +56,6 @@
 #define GOOGLE_PROTOBUF_COMPILER_PLUGIN_H__
 
 #include <google/protobuf/stubs/common.h>
-
 namespace google {
 namespace protobuf {
 namespace compiler {
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/plugin.pb.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/plugin.pb.cc
similarity index 94%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/plugin.pb.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/plugin.pb.cc
index 6b0dd55a..ee14dcf7 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/plugin.pb.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/plugin.pb.cc
@@ -1,11 +1,17 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/protobuf/compiler/plugin.proto
 
 #define INTERNAL_SUPPRESS_PROTOBUF_FIELD_DEPRECATION
 #include "google/protobuf/compiler/plugin.pb.h"
+
+#include <algorithm>
+
+#include <google/protobuf/stubs/common.h>
 #include <google/protobuf/stubs/once.h>
 #include <google/protobuf/io/coded_stream.h>
 #include <google/protobuf/wire_format_lite_inl.h>
 #include <google/protobuf/descriptor.h>
+#include <google/protobuf/generated_message_reflection.h>
 #include <google/protobuf/reflection_ops.h>
 #include <google/protobuf/wire_format.h>
 // @@protoc_insertion_point(includes)
@@ -133,7 +139,9 @@ void protobuf_AddDesc_google_2fprotobuf_2fcompiler_2fplugin_2eproto() {
     "atorResponse\022\r\n\005error\030\001 \001(\t\022B\n\004file\030\017 \003("
     "\01324.google.protobuf.compiler.CodeGenerat"
     "orResponse.File\032>\n\004File\022\014\n\004name\030\001 \001(\t\022\027\n"
-    "\017insertion_point\030\002 \001(\t\022\017\n\007content\030\017 \001(\t", 399);
+    "\017insertion_point\030\002 \001(\t\022\017\n\007content\030\017 \001(\tB"
+    ",\n\034com.google.protobuf.compilerB\014PluginP"
+    "rotos", 445);
   ::google::protobuf::MessageFactory::InternalRegisterGeneratedFile(
     "google/protobuf/compiler/plugin.proto", &protobuf_RegisterTypes);
   CodeGeneratorRequest::default_instance_ = new CodeGeneratorRequest();
@@ -152,10 +160,8 @@ struct StaticDescriptorInitializer_google_2fprotobuf_2fcompiler_2fplugin_2eproto
   }
 } static_descriptor_initializer_google_2fprotobuf_2fcompiler_2fplugin_2eproto_;
 
-
 // ===================================================================
 
-const ::std::string CodeGeneratorRequest::_default_parameter_;
 #ifndef _MSC_VER
 const int CodeGeneratorRequest::kFileToGenerateFieldNumber;
 const int CodeGeneratorRequest::kParameterFieldNumber;
@@ -178,7 +184,7 @@ CodeGeneratorRequest::CodeGeneratorRequest(const CodeGeneratorRequest& from)
 
 void CodeGeneratorRequest::SharedCtor() {
   _cached_size_ = 0;
-  parameter_ = const_cast< ::std::string*>(&_default_parameter_);
+  parameter_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
 }
 
@@ -187,7 +193,7 @@ CodeGeneratorRequest::~CodeGeneratorRequest() {
 }
 
 void CodeGeneratorRequest::SharedDtor() {
-  if (parameter_ != &_default_parameter_) {
+  if (parameter_ != &::google::protobuf::internal::kEmptyString) {
     delete parameter_;
   }
   if (this != default_instance_) {
@@ -205,7 +211,8 @@ const ::google::protobuf::Descriptor* CodeGeneratorRequest::descriptor() {
 }
 
 const CodeGeneratorRequest& CodeGeneratorRequest::default_instance() {
-  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fcompiler_2fplugin_2eproto();  return *default_instance_;
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fcompiler_2fplugin_2eproto();
+  return *default_instance_;
 }
 
 CodeGeneratorRequest* CodeGeneratorRequest::default_instance_ = NULL;
@@ -216,8 +223,8 @@ CodeGeneratorRequest* CodeGeneratorRequest::New() const {
 
 void CodeGeneratorRequest::Clear() {
   if (_has_bits_[1 / 32] & (0xffu << (1 % 32))) {
-    if (_has_bit(1)) {
-      if (parameter_ != &_default_parameter_) {
+    if (has_parameter()) {
+      if (parameter_ != &::google::protobuf::internal::kEmptyString) {
         parameter_->clear();
       }
     }
@@ -242,7 +249,8 @@ bool CodeGeneratorRequest::MergePartialFromCodedStream(
           DO_(::google::protobuf::internal::WireFormatLite::ReadString(
                 input, this->add_file_to_generate()));
           ::google::protobuf::internal::WireFormat::VerifyUTF8String(
-            this->file_to_generate(0).data(), this->file_to_generate(0).length(),
+            this->file_to_generate(this->file_to_generate_size() - 1).data(),
+            this->file_to_generate(this->file_to_generate_size() - 1).length(),
             ::google::protobuf::internal::WireFormat::PARSE);
         } else {
           goto handle_uninterpreted;
@@ -251,7 +259,7 @@ bool CodeGeneratorRequest::MergePartialFromCodedStream(
         if (input->ExpectTag(18)) goto parse_parameter;
         break;
       }
-      
+
       // optional string parameter = 2;
       case 2: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -268,7 +276,7 @@ bool CodeGeneratorRequest::MergePartialFromCodedStream(
         if (input->ExpectTag(122)) goto parse_proto_file;
         break;
       }
-      
+
       // repeated .google.protobuf.FileDescriptorProto proto_file = 15;
       case 15: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -283,7 +291,7 @@ bool CodeGeneratorRequest::MergePartialFromCodedStream(
         if (input->ExpectAtEnd()) return true;
         break;
       }
-      
+
       default: {
       handle_uninterpreted:
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -310,22 +318,22 @@ void CodeGeneratorRequest::SerializeWithCachedSizes(
     ::google::protobuf::internal::WireFormatLite::WriteString(
       1, this->file_to_generate(i), output);
   }
-  
+
   // optional string parameter = 2;
-  if (_has_bit(1)) {
+  if (has_parameter()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->parameter().data(), this->parameter().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       2, this->parameter(), output);
   }
-  
+
   // repeated .google.protobuf.FileDescriptorProto proto_file = 15;
   for (int i = 0; i < this->proto_file_size(); i++) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       15, this->proto_file(i), output);
   }
-  
+
   if (!unknown_fields().empty()) {
     ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
         unknown_fields(), output);
@@ -342,9 +350,9 @@ void CodeGeneratorRequest::SerializeWithCachedSizes(
     target = ::google::protobuf::internal::WireFormatLite::
       WriteStringToArray(1, this->file_to_generate(i), target);
   }
-  
+
   // optional string parameter = 2;
-  if (_has_bit(1)) {
+  if (has_parameter()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->parameter().data(), this->parameter().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -352,14 +360,14 @@ void CodeGeneratorRequest::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         2, this->parameter(), target);
   }
-  
+
   // repeated .google.protobuf.FileDescriptorProto proto_file = 15;
   for (int i = 0; i < this->proto_file_size(); i++) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         15, this->proto_file(i), target);
   }
-  
+
   if (!unknown_fields().empty()) {
     target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
         unknown_fields(), target);
@@ -369,7 +377,7 @@ void CodeGeneratorRequest::SerializeWithCachedSizes(
 
 int CodeGeneratorRequest::ByteSize() const {
   int total_size = 0;
-  
+
   if (_has_bits_[1 / 32] & (0xffu << (1 % 32))) {
     // optional string parameter = 2;
     if (has_parameter()) {
@@ -377,7 +385,7 @@ int CodeGeneratorRequest::ByteSize() const {
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->parameter());
     }
-    
+
   }
   // repeated string file_to_generate = 1;
   total_size += 1 * this->file_to_generate_size();
@@ -385,7 +393,7 @@ int CodeGeneratorRequest::ByteSize() const {
     total_size += ::google::protobuf::internal::WireFormatLite::StringSize(
       this->file_to_generate(i));
   }
-  
+
   // repeated .google.protobuf.FileDescriptorProto proto_file = 15;
   total_size += 1 * this->proto_file_size();
   for (int i = 0; i < this->proto_file_size(); i++) {
@@ -393,7 +401,7 @@ int CodeGeneratorRequest::ByteSize() const {
       ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
         this->proto_file(i));
   }
-  
+
   if (!unknown_fields().empty()) {
     total_size +=
       ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
@@ -422,7 +430,7 @@ void CodeGeneratorRequest::MergeFrom(const CodeGeneratorRequest& from) {
   file_to_generate_.MergeFrom(from.file_to_generate_);
   proto_file_.MergeFrom(from.proto_file_);
   if (from._has_bits_[1 / 32] & (0xffu << (1 % 32))) {
-    if (from._has_bit(1)) {
+    if (from.has_parameter()) {
       set_parameter(from.parameter());
     }
   }
@@ -442,7 +450,7 @@ void CodeGeneratorRequest::CopyFrom(const CodeGeneratorRequest& from) {
 }
 
 bool CodeGeneratorRequest::IsInitialized() const {
-  
+
   for (int i = 0; i < proto_file_size(); i++) {
     if (!this->proto_file(i).IsInitialized()) return false;
   }
@@ -471,9 +479,6 @@ void CodeGeneratorRequest::Swap(CodeGeneratorRequest* other) {
 
 // ===================================================================
 
-const ::std::string CodeGeneratorResponse_File::_default_name_;
-const ::std::string CodeGeneratorResponse_File::_default_insertion_point_;
-const ::std::string CodeGeneratorResponse_File::_default_content_;
 #ifndef _MSC_VER
 const int CodeGeneratorResponse_File::kNameFieldNumber;
 const int CodeGeneratorResponse_File::kInsertionPointFieldNumber;
@@ -496,9 +501,9 @@ CodeGeneratorResponse_File::CodeGeneratorResponse_File(const CodeGeneratorRespon
 
 void CodeGeneratorResponse_File::SharedCtor() {
   _cached_size_ = 0;
-  name_ = const_cast< ::std::string*>(&_default_name_);
-  insertion_point_ = const_cast< ::std::string*>(&_default_insertion_point_);
-  content_ = const_cast< ::std::string*>(&_default_content_);
+  name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  insertion_point_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  content_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
 }
 
@@ -507,13 +512,13 @@ CodeGeneratorResponse_File::~CodeGeneratorResponse_File() {
 }
 
 void CodeGeneratorResponse_File::SharedDtor() {
-  if (name_ != &_default_name_) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
     delete name_;
   }
-  if (insertion_point_ != &_default_insertion_point_) {
+  if (insertion_point_ != &::google::protobuf::internal::kEmptyString) {
     delete insertion_point_;
   }
-  if (content_ != &_default_content_) {
+  if (content_ != &::google::protobuf::internal::kEmptyString) {
     delete content_;
   }
   if (this != default_instance_) {
@@ -531,7 +536,8 @@ const ::google::protobuf::Descriptor* CodeGeneratorResponse_File::descriptor() {
 }
 
 const CodeGeneratorResponse_File& CodeGeneratorResponse_File::default_instance() {
-  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fcompiler_2fplugin_2eproto();  return *default_instance_;
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fcompiler_2fplugin_2eproto();
+  return *default_instance_;
 }
 
 CodeGeneratorResponse_File* CodeGeneratorResponse_File::default_instance_ = NULL;
@@ -542,18 +548,18 @@ CodeGeneratorResponse_File* CodeGeneratorResponse_File::New() const {
 
 void CodeGeneratorResponse_File::Clear() {
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (_has_bit(0)) {
-      if (name_ != &_default_name_) {
+    if (has_name()) {
+      if (name_ != &::google::protobuf::internal::kEmptyString) {
         name_->clear();
       }
     }
-    if (_has_bit(1)) {
-      if (insertion_point_ != &_default_insertion_point_) {
+    if (has_insertion_point()) {
+      if (insertion_point_ != &::google::protobuf::internal::kEmptyString) {
         insertion_point_->clear();
       }
     }
-    if (_has_bit(2)) {
-      if (content_ != &_default_content_) {
+    if (has_content()) {
+      if (content_ != &::google::protobuf::internal::kEmptyString) {
         content_->clear();
       }
     }
@@ -583,7 +589,7 @@ bool CodeGeneratorResponse_File::MergePartialFromCodedStream(
         if (input->ExpectTag(18)) goto parse_insertion_point;
         break;
       }
-      
+
       // optional string insertion_point = 2;
       case 2: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -600,7 +606,7 @@ bool CodeGeneratorResponse_File::MergePartialFromCodedStream(
         if (input->ExpectTag(122)) goto parse_content;
         break;
       }
-      
+
       // optional string content = 15;
       case 15: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -617,7 +623,7 @@ bool CodeGeneratorResponse_File::MergePartialFromCodedStream(
         if (input->ExpectAtEnd()) return true;
         break;
       }
-      
+
       default: {
       handle_uninterpreted:
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -637,32 +643,32 @@ bool CodeGeneratorResponse_File::MergePartialFromCodedStream(
 void CodeGeneratorResponse_File::SerializeWithCachedSizes(
     ::google::protobuf::io::CodedOutputStream* output) const {
   // optional string name = 1;
-  if (_has_bit(0)) {
+  if (has_name()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->name().data(), this->name().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       1, this->name(), output);
   }
-  
+
   // optional string insertion_point = 2;
-  if (_has_bit(1)) {
+  if (has_insertion_point()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->insertion_point().data(), this->insertion_point().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       2, this->insertion_point(), output);
   }
-  
+
   // optional string content = 15;
-  if (_has_bit(2)) {
+  if (has_content()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->content().data(), this->content().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       15, this->content(), output);
   }
-  
+
   if (!unknown_fields().empty()) {
     ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
         unknown_fields(), output);
@@ -672,7 +678,7 @@ void CodeGeneratorResponse_File::SerializeWithCachedSizes(
 ::google::protobuf::uint8* CodeGeneratorResponse_File::SerializeWithCachedSizesToArray(
     ::google::protobuf::uint8* target) const {
   // optional string name = 1;
-  if (_has_bit(0)) {
+  if (has_name()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->name().data(), this->name().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -680,9 +686,9 @@ void CodeGeneratorResponse_File::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         1, this->name(), target);
   }
-  
+
   // optional string insertion_point = 2;
-  if (_has_bit(1)) {
+  if (has_insertion_point()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->insertion_point().data(), this->insertion_point().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -690,9 +696,9 @@ void CodeGeneratorResponse_File::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         2, this->insertion_point(), target);
   }
-  
+
   // optional string content = 15;
-  if (_has_bit(2)) {
+  if (has_content()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->content().data(), this->content().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -700,7 +706,7 @@ void CodeGeneratorResponse_File::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         15, this->content(), target);
   }
-  
+
   if (!unknown_fields().empty()) {
     target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
         unknown_fields(), target);
@@ -710,7 +716,7 @@ void CodeGeneratorResponse_File::SerializeWithCachedSizes(
 
 int CodeGeneratorResponse_File::ByteSize() const {
   int total_size = 0;
-  
+
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
     // optional string name = 1;
     if (has_name()) {
@@ -718,21 +724,21 @@ int CodeGeneratorResponse_File::ByteSize() const {
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->name());
     }
-    
+
     // optional string insertion_point = 2;
     if (has_insertion_point()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->insertion_point());
     }
-    
+
     // optional string content = 15;
     if (has_content()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->content());
     }
-    
+
   }
   if (!unknown_fields().empty()) {
     total_size +=
@@ -760,13 +766,13 @@ void CodeGeneratorResponse_File::MergeFrom(const ::google::protobuf::Message& fr
 void CodeGeneratorResponse_File::MergeFrom(const CodeGeneratorResponse_File& from) {
   GOOGLE_CHECK_NE(&from, this);
   if (from._has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (from._has_bit(0)) {
+    if (from.has_name()) {
       set_name(from.name());
     }
-    if (from._has_bit(1)) {
+    if (from.has_insertion_point()) {
       set_insertion_point(from.insertion_point());
     }
-    if (from._has_bit(2)) {
+    if (from.has_content()) {
       set_content(from.content());
     }
   }
@@ -786,7 +792,7 @@ void CodeGeneratorResponse_File::CopyFrom(const CodeGeneratorResponse_File& from
 }
 
 bool CodeGeneratorResponse_File::IsInitialized() const {
-  
+
   return true;
 }
 
@@ -812,7 +818,6 @@ void CodeGeneratorResponse_File::Swap(CodeGeneratorResponse_File* other) {
 
 // -------------------------------------------------------------------
 
-const ::std::string CodeGeneratorResponse::_default_error_;
 #ifndef _MSC_VER
 const int CodeGeneratorResponse::kErrorFieldNumber;
 const int CodeGeneratorResponse::kFileFieldNumber;
@@ -834,7 +839,7 @@ CodeGeneratorResponse::CodeGeneratorResponse(const CodeGeneratorResponse& from)
 
 void CodeGeneratorResponse::SharedCtor() {
   _cached_size_ = 0;
-  error_ = const_cast< ::std::string*>(&_default_error_);
+  error_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
 }
 
@@ -843,7 +848,7 @@ CodeGeneratorResponse::~CodeGeneratorResponse() {
 }
 
 void CodeGeneratorResponse::SharedDtor() {
-  if (error_ != &_default_error_) {
+  if (error_ != &::google::protobuf::internal::kEmptyString) {
     delete error_;
   }
   if (this != default_instance_) {
@@ -861,7 +866,8 @@ const ::google::protobuf::Descriptor* CodeGeneratorResponse::descriptor() {
 }
 
 const CodeGeneratorResponse& CodeGeneratorResponse::default_instance() {
-  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fcompiler_2fplugin_2eproto();  return *default_instance_;
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fcompiler_2fplugin_2eproto();
+  return *default_instance_;
 }
 
 CodeGeneratorResponse* CodeGeneratorResponse::default_instance_ = NULL;
@@ -872,8 +878,8 @@ CodeGeneratorResponse* CodeGeneratorResponse::New() const {
 
 void CodeGeneratorResponse::Clear() {
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (_has_bit(0)) {
-      if (error_ != &_default_error_) {
+    if (has_error()) {
+      if (error_ != &::google::protobuf::internal::kEmptyString) {
         error_->clear();
       }
     }
@@ -904,7 +910,7 @@ bool CodeGeneratorResponse::MergePartialFromCodedStream(
         if (input->ExpectTag(122)) goto parse_file;
         break;
       }
-      
+
       // repeated .google.protobuf.compiler.CodeGeneratorResponse.File file = 15;
       case 15: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -919,7 +925,7 @@ bool CodeGeneratorResponse::MergePartialFromCodedStream(
         if (input->ExpectAtEnd()) return true;
         break;
       }
-      
+
       default: {
       handle_uninterpreted:
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -939,20 +945,20 @@ bool CodeGeneratorResponse::MergePartialFromCodedStream(
 void CodeGeneratorResponse::SerializeWithCachedSizes(
     ::google::protobuf::io::CodedOutputStream* output) const {
   // optional string error = 1;
-  if (_has_bit(0)) {
+  if (has_error()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->error().data(), this->error().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       1, this->error(), output);
   }
-  
+
   // repeated .google.protobuf.compiler.CodeGeneratorResponse.File file = 15;
   for (int i = 0; i < this->file_size(); i++) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       15, this->file(i), output);
   }
-  
+
   if (!unknown_fields().empty()) {
     ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
         unknown_fields(), output);
@@ -962,7 +968,7 @@ void CodeGeneratorResponse::SerializeWithCachedSizes(
 ::google::protobuf::uint8* CodeGeneratorResponse::SerializeWithCachedSizesToArray(
     ::google::protobuf::uint8* target) const {
   // optional string error = 1;
-  if (_has_bit(0)) {
+  if (has_error()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->error().data(), this->error().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -970,14 +976,14 @@ void CodeGeneratorResponse::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         1, this->error(), target);
   }
-  
+
   // repeated .google.protobuf.compiler.CodeGeneratorResponse.File file = 15;
   for (int i = 0; i < this->file_size(); i++) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         15, this->file(i), target);
   }
-  
+
   if (!unknown_fields().empty()) {
     target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
         unknown_fields(), target);
@@ -987,7 +993,7 @@ void CodeGeneratorResponse::SerializeWithCachedSizes(
 
 int CodeGeneratorResponse::ByteSize() const {
   int total_size = 0;
-  
+
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
     // optional string error = 1;
     if (has_error()) {
@@ -995,7 +1001,7 @@ int CodeGeneratorResponse::ByteSize() const {
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->error());
     }
-    
+
   }
   // repeated .google.protobuf.compiler.CodeGeneratorResponse.File file = 15;
   total_size += 1 * this->file_size();
@@ -1004,7 +1010,7 @@ int CodeGeneratorResponse::ByteSize() const {
       ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
         this->file(i));
   }
-  
+
   if (!unknown_fields().empty()) {
     total_size +=
       ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
@@ -1032,7 +1038,7 @@ void CodeGeneratorResponse::MergeFrom(const CodeGeneratorResponse& from) {
   GOOGLE_CHECK_NE(&from, this);
   file_.MergeFrom(from.file_);
   if (from._has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (from._has_bit(0)) {
+    if (from.has_error()) {
       set_error(from.error());
     }
   }
@@ -1052,7 +1058,7 @@ void CodeGeneratorResponse::CopyFrom(const CodeGeneratorResponse& from) {
 }
 
 bool CodeGeneratorResponse::IsInitialized() const {
-  
+
   return true;
 }
 
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/plugin.pb.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/plugin.pb.h
similarity index 73%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/plugin.pb.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/plugin.pb.h
index f8f80535..68cc21c7 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/plugin.pb.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/plugin.pb.h
@@ -8,21 +8,22 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 2003000
+#if GOOGLE_PROTOBUF_VERSION < 2005000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 2003000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 2005000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
 #endif
 
 #include <google/protobuf/generated_message_util.h>
+#include <google/protobuf/message.h>
 #include <google/protobuf/repeated_field.h>
 #include <google/protobuf/extension_set.h>
-#include <google/protobuf/generated_message_reflection.h>
+#include <google/protobuf/unknown_field_set.h>
 #include "google/protobuf/descriptor.pb.h"
 // @@protoc_insertion_point(includes)
 
@@ -45,29 +46,29 @@ class LIBPROTOC_EXPORT CodeGeneratorRequest : public ::google::protobuf::Message
  public:
   CodeGeneratorRequest();
   virtual ~CodeGeneratorRequest();
-  
+
   CodeGeneratorRequest(const CodeGeneratorRequest& from);
-  
+
   inline CodeGeneratorRequest& operator=(const CodeGeneratorRequest& from) {
     CopyFrom(from);
     return *this;
   }
-  
+
   inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
     return _unknown_fields_;
   }
-  
+
   inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
     return &_unknown_fields_;
   }
-  
+
   static const ::google::protobuf::Descriptor* descriptor();
   static const CodeGeneratorRequest& default_instance();
-  
+
   void Swap(CodeGeneratorRequest* other);
-  
+
   // implements Message ----------------------------------------------
-  
+
   CodeGeneratorRequest* New() const;
   void CopyFrom(const ::google::protobuf::Message& from);
   void MergeFrom(const ::google::protobuf::Message& from);
@@ -75,7 +76,7 @@ class LIBPROTOC_EXPORT CodeGeneratorRequest : public ::google::protobuf::Message
   void MergeFrom(const CodeGeneratorRequest& from);
   void Clear();
   bool IsInitialized() const;
-  
+
   int ByteSize() const;
   bool MergePartialFromCodedStream(
       ::google::protobuf::io::CodedInputStream* input);
@@ -88,13 +89,13 @@ class LIBPROTOC_EXPORT CodeGeneratorRequest : public ::google::protobuf::Message
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-  
+
   ::google::protobuf::Metadata GetMetadata() const;
-  
+
   // nested types ----------------------------------------------------
-  
+
   // accessors -------------------------------------------------------
-  
+
   // repeated string file_to_generate = 1;
   inline int file_to_generate_size() const;
   inline void clear_file_to_generate();
@@ -110,7 +111,7 @@ class LIBPROTOC_EXPORT CodeGeneratorRequest : public ::google::protobuf::Message
   inline void add_file_to_generate(const char* value, size_t size);
   inline const ::google::protobuf::RepeatedPtrField< ::std::string>& file_to_generate() const;
   inline ::google::protobuf::RepeatedPtrField< ::std::string>* mutable_file_to_generate();
-  
+
   // optional string parameter = 2;
   inline bool has_parameter() const;
   inline void clear_parameter();
@@ -120,7 +121,9 @@ class LIBPROTOC_EXPORT CodeGeneratorRequest : public ::google::protobuf::Message
   inline void set_parameter(const char* value);
   inline void set_parameter(const char* value, size_t size);
   inline ::std::string* mutable_parameter();
-  
+  inline ::std::string* release_parameter();
+  inline void set_allocated_parameter(::std::string* parameter);
+
   // repeated .google.protobuf.FileDescriptorProto proto_file = 15;
   inline int proto_file_size() const;
   inline void clear_proto_file();
@@ -132,33 +135,25 @@ class LIBPROTOC_EXPORT CodeGeneratorRequest : public ::google::protobuf::Message
       proto_file() const;
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::FileDescriptorProto >*
       mutable_proto_file();
-  
+
   // @@protoc_insertion_point(class_scope:google.protobuf.compiler.CodeGeneratorRequest)
  private:
+  inline void set_has_parameter();
+  inline void clear_has_parameter();
+
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
-  mutable int _cached_size_;
-  
+
   ::google::protobuf::RepeatedPtrField< ::std::string> file_to_generate_;
   ::std::string* parameter_;
-  static const ::std::string _default_parameter_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::FileDescriptorProto > proto_file_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(3 + 31) / 32];
+
   friend void LIBPROTOC_EXPORT protobuf_AddDesc_google_2fprotobuf_2fcompiler_2fplugin_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fcompiler_2fplugin_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fcompiler_2fplugin_2eproto();
-  
-  ::google::protobuf::uint32 _has_bits_[(3 + 31) / 32];
-  
-  // WHY DOES & HAVE LOWER PRECEDENCE THAN != !?
-  inline bool _has_bit(int index) const {
-    return (_has_bits_[index / 32] & (1u << (index % 32))) != 0;
-  }
-  inline void _set_bit(int index) {
-    _has_bits_[index / 32] |= (1u << (index % 32));
-  }
-  inline void _clear_bit(int index) {
-    _has_bits_[index / 32] &= ~(1u << (index % 32));
-  }
-  
+
   void InitAsDefaultInstance();
   static CodeGeneratorRequest* default_instance_;
 };
@@ -168,29 +163,29 @@ class LIBPROTOC_EXPORT CodeGeneratorResponse_File : public ::google::protobuf::M
  public:
   CodeGeneratorResponse_File();
   virtual ~CodeGeneratorResponse_File();
-  
+
   CodeGeneratorResponse_File(const CodeGeneratorResponse_File& from);
-  
+
   inline CodeGeneratorResponse_File& operator=(const CodeGeneratorResponse_File& from) {
     CopyFrom(from);
     return *this;
   }
-  
+
   inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
     return _unknown_fields_;
   }
-  
+
   inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
     return &_unknown_fields_;
   }
-  
+
   static const ::google::protobuf::Descriptor* descriptor();
   static const CodeGeneratorResponse_File& default_instance();
-  
+
   void Swap(CodeGeneratorResponse_File* other);
-  
+
   // implements Message ----------------------------------------------
-  
+
   CodeGeneratorResponse_File* New() const;
   void CopyFrom(const ::google::protobuf::Message& from);
   void MergeFrom(const ::google::protobuf::Message& from);
@@ -198,7 +193,7 @@ class LIBPROTOC_EXPORT CodeGeneratorResponse_File : public ::google::protobuf::M
   void MergeFrom(const CodeGeneratorResponse_File& from);
   void Clear();
   bool IsInitialized() const;
-  
+
   int ByteSize() const;
   bool MergePartialFromCodedStream(
       ::google::protobuf::io::CodedInputStream* input);
@@ -211,13 +206,13 @@ class LIBPROTOC_EXPORT CodeGeneratorResponse_File : public ::google::protobuf::M
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-  
+
   ::google::protobuf::Metadata GetMetadata() const;
-  
+
   // nested types ----------------------------------------------------
-  
+
   // accessors -------------------------------------------------------
-  
+
   // optional string name = 1;
   inline bool has_name() const;
   inline void clear_name();
@@ -227,7 +222,9 @@ class LIBPROTOC_EXPORT CodeGeneratorResponse_File : public ::google::protobuf::M
   inline void set_name(const char* value);
   inline void set_name(const char* value, size_t size);
   inline ::std::string* mutable_name();
-  
+  inline ::std::string* release_name();
+  inline void set_allocated_name(::std::string* name);
+
   // optional string insertion_point = 2;
   inline bool has_insertion_point() const;
   inline void clear_insertion_point();
@@ -237,7 +234,9 @@ class LIBPROTOC_EXPORT CodeGeneratorResponse_File : public ::google::protobuf::M
   inline void set_insertion_point(const char* value);
   inline void set_insertion_point(const char* value, size_t size);
   inline ::std::string* mutable_insertion_point();
-  
+  inline ::std::string* release_insertion_point();
+  inline void set_allocated_insertion_point(::std::string* insertion_point);
+
   // optional string content = 15;
   inline bool has_content() const;
   inline void clear_content();
@@ -247,35 +246,31 @@ class LIBPROTOC_EXPORT CodeGeneratorResponse_File : public ::google::protobuf::M
   inline void set_content(const char* value);
   inline void set_content(const char* value, size_t size);
   inline ::std::string* mutable_content();
-  
+  inline ::std::string* release_content();
+  inline void set_allocated_content(::std::string* content);
+
   // @@protoc_insertion_point(class_scope:google.protobuf.compiler.CodeGeneratorResponse.File)
  private:
+  inline void set_has_name();
+  inline void clear_has_name();
+  inline void set_has_insertion_point();
+  inline void clear_has_insertion_point();
+  inline void set_has_content();
+  inline void clear_has_content();
+
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
-  mutable int _cached_size_;
-  
+
   ::std::string* name_;
-  static const ::std::string _default_name_;
   ::std::string* insertion_point_;
-  static const ::std::string _default_insertion_point_;
   ::std::string* content_;
-  static const ::std::string _default_content_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(3 + 31) / 32];
+
   friend void LIBPROTOC_EXPORT protobuf_AddDesc_google_2fprotobuf_2fcompiler_2fplugin_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fcompiler_2fplugin_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fcompiler_2fplugin_2eproto();
-  
-  ::google::protobuf::uint32 _has_bits_[(3 + 31) / 32];
-  
-  // WHY DOES & HAVE LOWER PRECEDENCE THAN != !?
-  inline bool _has_bit(int index) const {
-    return (_has_bits_[index / 32] & (1u << (index % 32))) != 0;
-  }
-  inline void _set_bit(int index) {
-    _has_bits_[index / 32] |= (1u << (index % 32));
-  }
-  inline void _clear_bit(int index) {
-    _has_bits_[index / 32] &= ~(1u << (index % 32));
-  }
-  
+
   void InitAsDefaultInstance();
   static CodeGeneratorResponse_File* default_instance_;
 };
@@ -285,29 +280,29 @@ class LIBPROTOC_EXPORT CodeGeneratorResponse : public ::google::protobuf::Messag
  public:
   CodeGeneratorResponse();
   virtual ~CodeGeneratorResponse();
-  
+
   CodeGeneratorResponse(const CodeGeneratorResponse& from);
-  
+
   inline CodeGeneratorResponse& operator=(const CodeGeneratorResponse& from) {
     CopyFrom(from);
     return *this;
   }
-  
+
   inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
     return _unknown_fields_;
   }
-  
+
   inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
     return &_unknown_fields_;
   }
-  
+
   static const ::google::protobuf::Descriptor* descriptor();
   static const CodeGeneratorResponse& default_instance();
-  
+
   void Swap(CodeGeneratorResponse* other);
-  
+
   // implements Message ----------------------------------------------
-  
+
   CodeGeneratorResponse* New() const;
   void CopyFrom(const ::google::protobuf::Message& from);
   void MergeFrom(const ::google::protobuf::Message& from);
@@ -315,7 +310,7 @@ class LIBPROTOC_EXPORT CodeGeneratorResponse : public ::google::protobuf::Messag
   void MergeFrom(const CodeGeneratorResponse& from);
   void Clear();
   bool IsInitialized() const;
-  
+
   int ByteSize() const;
   bool MergePartialFromCodedStream(
       ::google::protobuf::io::CodedInputStream* input);
@@ -328,15 +323,15 @@ class LIBPROTOC_EXPORT CodeGeneratorResponse : public ::google::protobuf::Messag
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-  
+
   ::google::protobuf::Metadata GetMetadata() const;
-  
+
   // nested types ----------------------------------------------------
-  
+
   typedef CodeGeneratorResponse_File File;
-  
+
   // accessors -------------------------------------------------------
-  
+
   // optional string error = 1;
   inline bool has_error() const;
   inline void clear_error();
@@ -346,7 +341,9 @@ class LIBPROTOC_EXPORT CodeGeneratorResponse : public ::google::protobuf::Messag
   inline void set_error(const char* value);
   inline void set_error(const char* value, size_t size);
   inline ::std::string* mutable_error();
-  
+  inline ::std::string* release_error();
+  inline void set_allocated_error(::std::string* error);
+
   // repeated .google.protobuf.compiler.CodeGeneratorResponse.File file = 15;
   inline int file_size() const;
   inline void clear_file();
@@ -358,32 +355,24 @@ class LIBPROTOC_EXPORT CodeGeneratorResponse : public ::google::protobuf::Messag
       file() const;
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::compiler::CodeGeneratorResponse_File >*
       mutable_file();
-  
+
   // @@protoc_insertion_point(class_scope:google.protobuf.compiler.CodeGeneratorResponse)
  private:
+  inline void set_has_error();
+  inline void clear_has_error();
+
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
-  mutable int _cached_size_;
-  
+
   ::std::string* error_;
-  static const ::std::string _default_error_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::compiler::CodeGeneratorResponse_File > file_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(2 + 31) / 32];
+
   friend void LIBPROTOC_EXPORT protobuf_AddDesc_google_2fprotobuf_2fcompiler_2fplugin_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fcompiler_2fplugin_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fcompiler_2fplugin_2eproto();
-  
-  ::google::protobuf::uint32 _has_bits_[(2 + 31) / 32];
-  
-  // WHY DOES & HAVE LOWER PRECEDENCE THAN != !?
-  inline bool _has_bit(int index) const {
-    return (_has_bits_[index / 32] & (1u << (index % 32))) != 0;
-  }
-  inline void _set_bit(int index) {
-    _has_bits_[index / 32] |= (1u << (index % 32));
-  }
-  inline void _clear_bit(int index) {
-    _has_bits_[index / 32] &= ~(1u << (index % 32));
-  }
-  
+
   void InitAsDefaultInstance();
   static CodeGeneratorResponse* default_instance_;
 };
@@ -440,45 +429,73 @@ CodeGeneratorRequest::mutable_file_to_generate() {
 
 // optional string parameter = 2;
 inline bool CodeGeneratorRequest::has_parameter() const {
-  return _has_bit(1);
+  return (_has_bits_[0] & 0x00000002u) != 0;
+}
+inline void CodeGeneratorRequest::set_has_parameter() {
+  _has_bits_[0] |= 0x00000002u;
+}
+inline void CodeGeneratorRequest::clear_has_parameter() {
+  _has_bits_[0] &= ~0x00000002u;
 }
 inline void CodeGeneratorRequest::clear_parameter() {
-  if (parameter_ != &_default_parameter_) {
+  if (parameter_ != &::google::protobuf::internal::kEmptyString) {
     parameter_->clear();
   }
-  _clear_bit(1);
+  clear_has_parameter();
 }
 inline const ::std::string& CodeGeneratorRequest::parameter() const {
   return *parameter_;
 }
 inline void CodeGeneratorRequest::set_parameter(const ::std::string& value) {
-  _set_bit(1);
-  if (parameter_ == &_default_parameter_) {
+  set_has_parameter();
+  if (parameter_ == &::google::protobuf::internal::kEmptyString) {
     parameter_ = new ::std::string;
   }
   parameter_->assign(value);
 }
 inline void CodeGeneratorRequest::set_parameter(const char* value) {
-  _set_bit(1);
-  if (parameter_ == &_default_parameter_) {
+  set_has_parameter();
+  if (parameter_ == &::google::protobuf::internal::kEmptyString) {
     parameter_ = new ::std::string;
   }
   parameter_->assign(value);
 }
 inline void CodeGeneratorRequest::set_parameter(const char* value, size_t size) {
-  _set_bit(1);
-  if (parameter_ == &_default_parameter_) {
+  set_has_parameter();
+  if (parameter_ == &::google::protobuf::internal::kEmptyString) {
     parameter_ = new ::std::string;
   }
   parameter_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* CodeGeneratorRequest::mutable_parameter() {
-  _set_bit(1);
-  if (parameter_ == &_default_parameter_) {
+  set_has_parameter();
+  if (parameter_ == &::google::protobuf::internal::kEmptyString) {
     parameter_ = new ::std::string;
   }
   return parameter_;
 }
+inline ::std::string* CodeGeneratorRequest::release_parameter() {
+  clear_has_parameter();
+  if (parameter_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = parameter_;
+    parameter_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void CodeGeneratorRequest::set_allocated_parameter(::std::string* parameter) {
+  if (parameter_ != &::google::protobuf::internal::kEmptyString) {
+    delete parameter_;
+  }
+  if (parameter) {
+    set_has_parameter();
+    parameter_ = parameter;
+  } else {
+    clear_has_parameter();
+    parameter_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
 
 // repeated .google.protobuf.FileDescriptorProto proto_file = 15;
 inline int CodeGeneratorRequest::proto_file_size() const {
@@ -511,129 +528,213 @@ CodeGeneratorRequest::mutable_proto_file() {
 
 // optional string name = 1;
 inline bool CodeGeneratorResponse_File::has_name() const {
-  return _has_bit(0);
+  return (_has_bits_[0] & 0x00000001u) != 0;
+}
+inline void CodeGeneratorResponse_File::set_has_name() {
+  _has_bits_[0] |= 0x00000001u;
+}
+inline void CodeGeneratorResponse_File::clear_has_name() {
+  _has_bits_[0] &= ~0x00000001u;
 }
 inline void CodeGeneratorResponse_File::clear_name() {
-  if (name_ != &_default_name_) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
     name_->clear();
   }
-  _clear_bit(0);
+  clear_has_name();
 }
 inline const ::std::string& CodeGeneratorResponse_File::name() const {
   return *name_;
 }
 inline void CodeGeneratorResponse_File::set_name(const ::std::string& value) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(value);
 }
 inline void CodeGeneratorResponse_File::set_name(const char* value) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(value);
 }
 inline void CodeGeneratorResponse_File::set_name(const char* value, size_t size) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* CodeGeneratorResponse_File::mutable_name() {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   return name_;
 }
+inline ::std::string* CodeGeneratorResponse_File::release_name() {
+  clear_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = name_;
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void CodeGeneratorResponse_File::set_allocated_name(::std::string* name) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
+    delete name_;
+  }
+  if (name) {
+    set_has_name();
+    name_ = name;
+  } else {
+    clear_has_name();
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
 
 // optional string insertion_point = 2;
 inline bool CodeGeneratorResponse_File::has_insertion_point() const {
-  return _has_bit(1);
+  return (_has_bits_[0] & 0x00000002u) != 0;
+}
+inline void CodeGeneratorResponse_File::set_has_insertion_point() {
+  _has_bits_[0] |= 0x00000002u;
+}
+inline void CodeGeneratorResponse_File::clear_has_insertion_point() {
+  _has_bits_[0] &= ~0x00000002u;
 }
 inline void CodeGeneratorResponse_File::clear_insertion_point() {
-  if (insertion_point_ != &_default_insertion_point_) {
+  if (insertion_point_ != &::google::protobuf::internal::kEmptyString) {
     insertion_point_->clear();
   }
-  _clear_bit(1);
+  clear_has_insertion_point();
 }
 inline const ::std::string& CodeGeneratorResponse_File::insertion_point() const {
   return *insertion_point_;
 }
 inline void CodeGeneratorResponse_File::set_insertion_point(const ::std::string& value) {
-  _set_bit(1);
-  if (insertion_point_ == &_default_insertion_point_) {
+  set_has_insertion_point();
+  if (insertion_point_ == &::google::protobuf::internal::kEmptyString) {
     insertion_point_ = new ::std::string;
   }
   insertion_point_->assign(value);
 }
 inline void CodeGeneratorResponse_File::set_insertion_point(const char* value) {
-  _set_bit(1);
-  if (insertion_point_ == &_default_insertion_point_) {
+  set_has_insertion_point();
+  if (insertion_point_ == &::google::protobuf::internal::kEmptyString) {
     insertion_point_ = new ::std::string;
   }
   insertion_point_->assign(value);
 }
 inline void CodeGeneratorResponse_File::set_insertion_point(const char* value, size_t size) {
-  _set_bit(1);
-  if (insertion_point_ == &_default_insertion_point_) {
+  set_has_insertion_point();
+  if (insertion_point_ == &::google::protobuf::internal::kEmptyString) {
     insertion_point_ = new ::std::string;
   }
   insertion_point_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* CodeGeneratorResponse_File::mutable_insertion_point() {
-  _set_bit(1);
-  if (insertion_point_ == &_default_insertion_point_) {
+  set_has_insertion_point();
+  if (insertion_point_ == &::google::protobuf::internal::kEmptyString) {
     insertion_point_ = new ::std::string;
   }
   return insertion_point_;
 }
+inline ::std::string* CodeGeneratorResponse_File::release_insertion_point() {
+  clear_has_insertion_point();
+  if (insertion_point_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = insertion_point_;
+    insertion_point_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void CodeGeneratorResponse_File::set_allocated_insertion_point(::std::string* insertion_point) {
+  if (insertion_point_ != &::google::protobuf::internal::kEmptyString) {
+    delete insertion_point_;
+  }
+  if (insertion_point) {
+    set_has_insertion_point();
+    insertion_point_ = insertion_point;
+  } else {
+    clear_has_insertion_point();
+    insertion_point_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
 
 // optional string content = 15;
 inline bool CodeGeneratorResponse_File::has_content() const {
-  return _has_bit(2);
+  return (_has_bits_[0] & 0x00000004u) != 0;
+}
+inline void CodeGeneratorResponse_File::set_has_content() {
+  _has_bits_[0] |= 0x00000004u;
+}
+inline void CodeGeneratorResponse_File::clear_has_content() {
+  _has_bits_[0] &= ~0x00000004u;
 }
 inline void CodeGeneratorResponse_File::clear_content() {
-  if (content_ != &_default_content_) {
+  if (content_ != &::google::protobuf::internal::kEmptyString) {
     content_->clear();
   }
-  _clear_bit(2);
+  clear_has_content();
 }
 inline const ::std::string& CodeGeneratorResponse_File::content() const {
   return *content_;
 }
 inline void CodeGeneratorResponse_File::set_content(const ::std::string& value) {
-  _set_bit(2);
-  if (content_ == &_default_content_) {
+  set_has_content();
+  if (content_ == &::google::protobuf::internal::kEmptyString) {
     content_ = new ::std::string;
   }
   content_->assign(value);
 }
 inline void CodeGeneratorResponse_File::set_content(const char* value) {
-  _set_bit(2);
-  if (content_ == &_default_content_) {
+  set_has_content();
+  if (content_ == &::google::protobuf::internal::kEmptyString) {
     content_ = new ::std::string;
   }
   content_->assign(value);
 }
 inline void CodeGeneratorResponse_File::set_content(const char* value, size_t size) {
-  _set_bit(2);
-  if (content_ == &_default_content_) {
+  set_has_content();
+  if (content_ == &::google::protobuf::internal::kEmptyString) {
     content_ = new ::std::string;
   }
   content_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* CodeGeneratorResponse_File::mutable_content() {
-  _set_bit(2);
-  if (content_ == &_default_content_) {
+  set_has_content();
+  if (content_ == &::google::protobuf::internal::kEmptyString) {
     content_ = new ::std::string;
   }
   return content_;
 }
+inline ::std::string* CodeGeneratorResponse_File::release_content() {
+  clear_has_content();
+  if (content_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = content_;
+    content_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void CodeGeneratorResponse_File::set_allocated_content(::std::string* content) {
+  if (content_ != &::google::protobuf::internal::kEmptyString) {
+    delete content_;
+  }
+  if (content) {
+    set_has_content();
+    content_ = content;
+  } else {
+    clear_has_content();
+    content_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
 
 // -------------------------------------------------------------------
 
@@ -641,45 +742,73 @@ inline ::std::string* CodeGeneratorResponse_File::mutable_content() {
 
 // optional string error = 1;
 inline bool CodeGeneratorResponse::has_error() const {
-  return _has_bit(0);
+  return (_has_bits_[0] & 0x00000001u) != 0;
+}
+inline void CodeGeneratorResponse::set_has_error() {
+  _has_bits_[0] |= 0x00000001u;
+}
+inline void CodeGeneratorResponse::clear_has_error() {
+  _has_bits_[0] &= ~0x00000001u;
 }
 inline void CodeGeneratorResponse::clear_error() {
-  if (error_ != &_default_error_) {
+  if (error_ != &::google::protobuf::internal::kEmptyString) {
     error_->clear();
   }
-  _clear_bit(0);
+  clear_has_error();
 }
 inline const ::std::string& CodeGeneratorResponse::error() const {
   return *error_;
 }
 inline void CodeGeneratorResponse::set_error(const ::std::string& value) {
-  _set_bit(0);
-  if (error_ == &_default_error_) {
+  set_has_error();
+  if (error_ == &::google::protobuf::internal::kEmptyString) {
     error_ = new ::std::string;
   }
   error_->assign(value);
 }
 inline void CodeGeneratorResponse::set_error(const char* value) {
-  _set_bit(0);
-  if (error_ == &_default_error_) {
+  set_has_error();
+  if (error_ == &::google::protobuf::internal::kEmptyString) {
     error_ = new ::std::string;
   }
   error_->assign(value);
 }
 inline void CodeGeneratorResponse::set_error(const char* value, size_t size) {
-  _set_bit(0);
-  if (error_ == &_default_error_) {
+  set_has_error();
+  if (error_ == &::google::protobuf::internal::kEmptyString) {
     error_ = new ::std::string;
   }
   error_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* CodeGeneratorResponse::mutable_error() {
-  _set_bit(0);
-  if (error_ == &_default_error_) {
+  set_has_error();
+  if (error_ == &::google::protobuf::internal::kEmptyString) {
     error_ = new ::std::string;
   }
   return error_;
 }
+inline ::std::string* CodeGeneratorResponse::release_error() {
+  clear_has_error();
+  if (error_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = error_;
+    error_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void CodeGeneratorResponse::set_allocated_error(::std::string* error) {
+  if (error_ != &::google::protobuf::internal::kEmptyString) {
+    delete error_;
+  }
+  if (error) {
+    set_has_error();
+    error_ = error;
+  } else {
+    clear_has_error();
+    error_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
 
 // repeated .google.protobuf.compiler.CodeGeneratorResponse.File file = 15;
 inline int CodeGeneratorResponse::file_size() const {
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/plugin.proto b/common/protobuf-2.5.0/src/google/protobuf/compiler/plugin.proto
similarity index 98%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/plugin.proto
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/plugin.proto
index 4e928b0d..77b888f3 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/plugin.proto
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/plugin.proto
@@ -45,6 +45,8 @@
 // flag "--${NAME}_out" is passed to protoc.
 
 package google.protobuf.compiler;
+option java_package = "com.google.protobuf.compiler";
+option java_outer_classname = "PluginProtos";
 
 import "google/protobuf/descriptor.proto";
 
@@ -131,7 +133,7 @@ message CodeGeneratorResponse {
     // in order to work correctly in that context.
     //
     // The code generator that generates the initial file and the one which
-    // inserts into it must both run as part of a single invocatino of protoc.
+    // inserts into it must both run as part of a single invocation of protoc.
     // Code generators are executed in the order in which they appear on the
     // command line.
     //
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/python/python_generator.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/python/python_generator.cc
similarity index 81%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/python/python_generator.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/python/python_generator.cc
index fae83a37..211ac70c 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/python/python_generator.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/python/python_generator.cc
@@ -52,6 +52,7 @@
 #include <google/protobuf/descriptor.pb.h>
 
 #include <google/protobuf/stubs/common.h>
+#include <google/protobuf/stubs/stringprintf.h>
 #include <google/protobuf/io/printer.h>
 #include <google/protobuf/descriptor.h>
 #include <google/protobuf/io/zero_copy_stream.h>
@@ -106,6 +107,12 @@ string NamePrefixedWithNestedTypes(const DescriptorT& descriptor,
 const char kDescriptorKey[] = "DESCRIPTOR";
 
 
+// Does the file have top-level enums?
+inline bool HasTopLevelEnums(const FileDescriptor *file) {
+  return file->enum_type_count() > 0;
+}
+
+
 // Should we generate generic services for this file?
 inline bool HasGenericServices(const FileDescriptor *file) {
   return file->service_count() > 0 &&
@@ -120,13 +127,21 @@ void PrintTopBoilerplate(
   // TODO(robinson): Allow parameterization of Python version?
   printer->Print(
       "# Generated by the protocol buffer compiler.  DO NOT EDIT!\n"
-      "\n"
-      "from google.protobuf import descriptor\n"
-      "from google.protobuf import message\n"
-      "from google.protobuf import reflection\n");
+      "# source: $filename$\n"
+      "\n",
+      "filename", file->name());
+  if (HasTopLevelEnums(file)) {
+    printer->Print(
+        "from google.protobuf.internal import enum_type_wrapper\n");
+  }
+  printer->Print(
+      "from google.protobuf import descriptor as _descriptor\n"
+      "from google.protobuf import message as _message\n"
+      "from google.protobuf import reflection as _reflection\n"
+      );
   if (HasGenericServices(file)) {
     printer->Print(
-        "from google.protobuf import service\n"
+        "from google.protobuf import service as _service\n"
         "from google.protobuf import service_reflection\n");
   }
 
@@ -204,12 +219,12 @@ string StringifyDefaultValue(const FieldDescriptor& field) {
     case FieldDescriptor::CPPTYPE_STRING:
       if (field.type() == FieldDescriptor::TYPE_STRING) {
         return "unicode(\"" + CEscape(field.default_value_string()) +
-            "\", \"utf-8\")";
+                        "\", \"utf-8\")";
       } else {
         return "\"" + CEscape(field.default_value_string()) + "\"";
       }
-    case FieldDescriptor::CPPTYPE_MESSAGE:
-      return "None";
+      case FieldDescriptor::CPPTYPE_MESSAGE:
+          return "None";
   }
   // (We could add a default case above but then we wouldn't get the nice
   // compiler warning when a new type is added.)
@@ -230,7 +245,7 @@ Generator::~Generator() {
 
 bool Generator::Generate(const FileDescriptor* file,
                          const string& parameter,
-                         OutputDirectory* output_directory,
+                         GeneratorContext* context,
                          string* error) const {
 
   // Completely serialize all Generate() calls on this instance.  The
@@ -252,26 +267,29 @@ bool Generator::Generate(const FileDescriptor* file,
   fdp.SerializeToString(&file_descriptor_serialized_);
 
 
-  scoped_ptr<io::ZeroCopyOutputStream> output(output_directory->Open(filename));
+  scoped_ptr<io::ZeroCopyOutputStream> output(context->Open(filename));
   GOOGLE_CHECK(output.get());
   io::Printer printer(output.get(), '$');
   printer_ = &printer;
 
   PrintTopBoilerplate(printer_, file_, GeneratingDescriptorProto());
+  PrintImports();
   PrintFileDescriptor();
   PrintTopLevelEnums();
   PrintTopLevelExtensions();
   PrintAllNestedEnumsInFile();
   PrintMessageDescriptors();
-  // We have to print the imports after the descriptors, so that mutually
-  // recursive protos in separate files can successfully reference each other.
-  PrintImports();
   FixForeignFieldsInDescriptors();
   PrintMessages();
   // We have to fix up the extensions after the message classes themselves,
   // since they need to call static RegisterExtension() methods on these
   // classes.
   FixForeignFieldsInExtensions();
+  // Descriptor options may have custom extensions. These custom options
+  // can only be successfully parsed after we register corresponding
+  // extensions. Therefore we parse all options again here to recognize
+  // custom options that may be unknown when we define the descriptors.
+  FixAllDescriptorOptions();
   if (HasGenericServices(file)) {
     PrintServices();
   }
@@ -290,6 +308,13 @@ void Generator::PrintImports() const {
                     module_name);
   }
   printer_->Print("\n");
+
+  // Print public imports.
+  for (int i = 0; i < file_->public_dependency_count(); ++i) {
+    string module_name = ModuleName(file_->public_dependency(i)->name());
+    printer_->Print("from $module$ import *\n", "module", module_name);
+  }
+  printer_->Print("\n");
 }
 
 // Prints the single file descriptor for this file.
@@ -299,7 +324,7 @@ void Generator::PrintFileDescriptor() const {
   m["name"] = file_->name();
   m["package"] = file_->package();
   const char file_descriptor_template[] =
-      "$descriptor_name$ = descriptor.FileDescriptor(\n"
+      "$descriptor_name$ = _descriptor.FileDescriptor(\n"
       "  name='$name$',\n"
       "  package='$package$',\n";
   printer_->Print(m, file_descriptor_template);
@@ -323,6 +348,11 @@ void Generator::PrintTopLevelEnums() const {
   for (int i = 0; i < file_->enum_type_count(); ++i) {
     const EnumDescriptor& enum_descriptor = *file_->enum_type(i);
     PrintEnum(enum_descriptor);
+    printer_->Print("$name$ = "
+                    "enum_type_wrapper.EnumTypeWrapper($descriptor_name$)",
+                    "name", enum_descriptor.name(),
+                    "descriptor_name",
+                    ModuleLevelDescriptorName(enum_descriptor));
     printer_->Print("\n");
 
     for (int j = 0; j < enum_descriptor.value_count(); ++j) {
@@ -357,7 +387,7 @@ void Generator::PrintEnum(const EnumDescriptor& enum_descriptor) const {
   m["full_name"] = enum_descriptor.full_name();
   m["file"] = kDescriptorKey;
   const char enum_descriptor_template[] =
-      "$descriptor_name$ = descriptor.EnumDescriptor(\n"
+      "$descriptor_name$ = _descriptor.EnumDescriptor(\n"
       "  name='$name$',\n"
       "  full_name='$full_name$',\n"
       "  filename=None,\n"
@@ -377,7 +407,7 @@ void Generator::PrintEnum(const EnumDescriptor& enum_descriptor) const {
   printer_->Print("containing_type=None,\n");
   printer_->Print("options=$options_value$,\n",
                   "options_value",
-                  OptionsValue("EnumOptions", CEscape(options_string)));
+                  OptionsValue("EnumOptions", options_string));
   EnumDescriptorProto edp;
   PrintSerializedPbInterval(enum_descriptor, edp);
   printer_->Outdent();
@@ -438,7 +468,7 @@ void Generator::PrintServiceDescriptor(
   descriptor.options().SerializeToString(&options_string);
 
   printer_->Print(
-      "$service_name$ = descriptor.ServiceDescriptor(\n",
+      "$service_name$ = _descriptor.ServiceDescriptor(\n",
       "service_name", service_name);
   printer_->Indent();
   map<string, string> m;
@@ -461,7 +491,6 @@ void Generator::PrintServiceDescriptor(
   printer_->Print("methods=[\n");
   for (int i = 0; i < descriptor.method_count(); ++i) {
     const MethodDescriptor* method = descriptor.method(i);
-    string options_string;
     method->options().SerializeToString(&options_string);
 
     m.clear();
@@ -472,7 +501,7 @@ void Generator::PrintServiceDescriptor(
     m["input_type"] = ModuleLevelDescriptorName(*(method->input_type()));
     m["output_type"] = ModuleLevelDescriptorName(*(method->output_type()));
     m["options_value"] = OptionsValue("MethodOptions", options_string);
-    printer_->Print("descriptor.MethodDescriptor(\n");
+    printer_->Print("_descriptor.MethodDescriptor(\n");
     printer_->Indent();
     printer_->Print(
         m,
@@ -493,7 +522,7 @@ void Generator::PrintServiceDescriptor(
 
 void Generator::PrintServiceClass(const ServiceDescriptor& descriptor) const {
   // Print the service.
-  printer_->Print("class $class_name$(service.Service):\n",
+  printer_->Print("class $class_name$(_service.Service):\n",
                   "class_name", descriptor.name());
   printer_->Indent();
   printer_->Print(
@@ -525,7 +554,7 @@ void Generator::PrintDescriptor(const Descriptor& message_descriptor) const {
   PrintNestedDescriptors(message_descriptor);
 
   printer_->Print("\n");
-  printer_->Print("$descriptor_name$ = descriptor.Descriptor(\n",
+  printer_->Print("$descriptor_name$ = _descriptor.Descriptor(\n",
                   "descriptor_name",
                   ModuleLevelDescriptorName(message_descriptor));
   printer_->Indent();
@@ -620,10 +649,10 @@ void Generator::PrintMessages() const {
 // Mutually recursive with PrintNestedMessages().
 void Generator::PrintMessage(
     const Descriptor& message_descriptor) const {
-  printer_->Print("class $name$(message.Message):\n", "name",
+  printer_->Print("class $name$(_message.Message):\n", "name",
                   message_descriptor.name());
   printer_->Indent();
-  printer_->Print("__metaclass__ = reflection.GeneratedProtocolMessageType\n");
+  printer_->Print("__metaclass__ = _reflection.GeneratedProtocolMessageType\n");
   PrintNestedMessages(message_descriptor);
   map<string, string> m;
   m["descriptor_key"] = kDescriptorKey;
@@ -674,6 +703,17 @@ void Generator::FixForeignFieldsInDescriptor(
   }
 }
 
+void Generator::AddMessageToFileDescriptor(const Descriptor& descriptor) const {
+  map<string, string> m;
+  m["descriptor_name"] = kDescriptorKey;
+  m["message_name"] = descriptor.name();
+  m["message_descriptor_name"] = ModuleLevelDescriptorName(descriptor);
+  const char file_descriptor_template[] =
+      "$descriptor_name$.message_types_by_name['$message_name$'] = "
+      "$message_descriptor_name$\n";
+  printer_->Print(m, file_descriptor_template);
+}
+
 // Sets any necessary message_type and enum_type attributes
 // for the Python version of |field|.
 //
@@ -752,6 +792,9 @@ void Generator::FixForeignFieldsInDescriptors() const {
   for (int i = 0; i < file_->message_type_count(); ++i) {
     FixForeignFieldsInDescriptor(*file_->message_type(i), NULL);
   }
+  for (int i = 0; i < file_->message_type_count(); ++i) {
+    AddMessageToFileDescriptor(*file_->message_type(i));
+  }
   printer_->Print("\n");
 }
 
@@ -767,6 +810,7 @@ void Generator::FixForeignFieldsInExtensions() const {
   for (int i = 0; i < file_->message_type_count(); ++i) {
     FixForeignFieldsInNestedExtensions(*file_->message_type(i));
   }
+  printer_->Print("\n");
 }
 
 void Generator::FixForeignFieldsInExtension(
@@ -817,19 +861,21 @@ void Generator::PrintEnumValueDescriptor(
   m["options"] = OptionsValue("EnumValueOptions", options_string);
   printer_->Print(
       m,
-      "descriptor.EnumValueDescriptor(\n"
+      "_descriptor.EnumValueDescriptor(\n"
       "  name='$name$', index=$index$, number=$number$,\n"
       "  options=$options$,\n"
       "  type=None)");
 }
 
+// Returns a Python expression that calls descriptor._ParseOptions using
+// the given descriptor class name and serialized options protobuf string.
 string Generator::OptionsValue(
     const string& class_name, const string& serialized_options) const {
   if (serialized_options.length() == 0 || GeneratingDescriptorProto()) {
     return "None";
   } else {
     string full_class_name = "descriptor_pb2." + class_name;
-    return "descriptor._ParseOptions(" + full_class_name + "(), '"
+    return "_descriptor._ParseOptions(" + full_class_name + "(), '"
         + CEscape(serialized_options)+ "')";
   }
 }
@@ -855,7 +901,7 @@ void Generator::PrintFieldDescriptor(
   // these fields in correctly after all referenced descriptors have been
   // defined and/or imported (see FixForeignFieldsInDescriptors()).
   const char field_descriptor_decl[] =
-    "descriptor.FieldDescriptor(\n"
+    "_descriptor.FieldDescriptor(\n"
     "  name='$name$', full_name='$full_name$', index=$index$,\n"
     "  number=$number$, type=$type$, cpp_type=$cpp_type$, label=$label$,\n"
     "  has_default_value=$has_default_value$, default_value=$default_value$,\n"
@@ -986,6 +1032,125 @@ void Generator::PrintSerializedPbInterval(
                   "serialized_end", SimpleItoa(offset + sp.size()));
 }
 
+namespace {
+void PrintDescriptorOptionsFixingCode(const string& descriptor,
+                                      const string& options,
+                                      io::Printer* printer) {
+  // TODO(xiaofeng): I have added a method _SetOptions() to DescriptorBase
+  // in proto2 python runtime but it couldn't be used here because appengine
+  // uses a snapshot version of the library in which the new method is not
+  // yet present. After appengine has synced their runtime library, the code
+  // below should be cleaned up to use _SetOptions().
+  printer->Print(
+      "$descriptor$.has_options = True\n"
+      "$descriptor$._options = $options$\n",
+      "descriptor", descriptor, "options", options);
+}
+}  // namespace
+
+// Prints expressions that set the options field of all descriptors.
+void Generator::FixAllDescriptorOptions() const {
+  // Prints an expression that sets the file descriptor's options.
+  string file_options = OptionsValue(
+      "FileOptions", file_->options().SerializeAsString());
+  if (file_options != "None") {
+    PrintDescriptorOptionsFixingCode(kDescriptorKey, file_options, printer_);
+  }
+  // Prints expressions that set the options for all top level enums.
+  for (int i = 0; i < file_->enum_type_count(); ++i) {
+    const EnumDescriptor& enum_descriptor = *file_->enum_type(i);
+    FixOptionsForEnum(enum_descriptor);
+  }
+  // Prints expressions that set the options for all top level extensions.
+  for (int i = 0; i < file_->extension_count(); ++i) {
+    const FieldDescriptor& field = *file_->extension(i);
+    FixOptionsForField(field);
+  }
+  // Prints expressions that set the options for all messages, nested enums,
+  // nested extensions and message fields.
+  for (int i = 0; i < file_->message_type_count(); ++i) {
+    FixOptionsForMessage(*file_->message_type(i));
+  }
+}
+
+// Prints expressions that set the options for an enum descriptor and its
+// value descriptors.
+void Generator::FixOptionsForEnum(const EnumDescriptor& enum_descriptor) const {
+  string descriptor_name = ModuleLevelDescriptorName(enum_descriptor);
+  string enum_options = OptionsValue(
+      "EnumOptions", enum_descriptor.options().SerializeAsString());
+  if (enum_options != "None") {
+    PrintDescriptorOptionsFixingCode(descriptor_name, enum_options, printer_);
+  }
+  for (int i = 0; i < enum_descriptor.value_count(); ++i) {
+    const EnumValueDescriptor& value_descriptor = *enum_descriptor.value(i);
+    string value_options = OptionsValue(
+        "EnumValueOptions", value_descriptor.options().SerializeAsString());
+    if (value_options != "None") {
+      PrintDescriptorOptionsFixingCode(
+          StringPrintf("%s.values_by_name[\"%s\"]", descriptor_name.c_str(),
+                       value_descriptor.name().c_str()),
+          value_options, printer_);
+    }
+  }
+}
+
+// Prints expressions that set the options for field descriptors (including
+// extensions).
+void Generator::FixOptionsForField(
+    const FieldDescriptor& field) const {
+  string field_options = OptionsValue(
+      "FieldOptions", field.options().SerializeAsString());
+  if (field_options != "None") {
+    string field_name;
+    if (field.is_extension()) {
+      if (field.extension_scope() == NULL) {
+        // Top level extensions.
+        field_name = field.name();
+      } else {
+        field_name = FieldReferencingExpression(
+            field.extension_scope(), field, "extensions_by_name");
+      }
+    } else {
+      field_name = FieldReferencingExpression(
+          field.containing_type(), field, "fields_by_name");
+    }
+    PrintDescriptorOptionsFixingCode(field_name, field_options, printer_);
+  }
+}
+
+// Prints expressions that set the options for a message and all its inner
+// types (nested messages, nested enums, extensions, fields).
+void Generator::FixOptionsForMessage(const Descriptor& descriptor) const {
+  // Nested messages.
+  for (int i = 0; i < descriptor.nested_type_count(); ++i) {
+    FixOptionsForMessage(*descriptor.nested_type(i));
+  }
+  // Enums.
+  for (int i = 0; i < descriptor.enum_type_count(); ++i) {
+    FixOptionsForEnum(*descriptor.enum_type(i));
+  }
+  // Fields.
+  for (int i = 0; i < descriptor.field_count(); ++i) {
+    const FieldDescriptor& field = *descriptor.field(i);
+    FixOptionsForField(field);
+  }
+  // Extensions.
+  for (int i = 0; i < descriptor.extension_count(); ++i) {
+    const FieldDescriptor& field = *descriptor.extension(i);
+    FixOptionsForField(field);
+  }
+  // Message option for this message.
+  string message_options = OptionsValue(
+      "MessageOptions", descriptor.options().SerializeAsString());
+  if (message_options != "None") {
+    string descriptor_name = ModuleLevelDescriptorName(descriptor);
+    PrintDescriptorOptionsFixingCode(descriptor_name,
+                                     message_options,
+                                     printer_);
+  }
+}
+
 }  // namespace python
 }  // namespace compiler
 }  // namespace protobuf
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/python/python_generator.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/python/python_generator.h
similarity index 94%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/python/python_generator.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/python/python_generator.h
index 43c20876..a3f22cee 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/python/python_generator.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/python/python_generator.h
@@ -66,7 +66,7 @@ class LIBPROTOC_EXPORT Generator : public CodeGenerator {
   // CodeGenerator methods.
   virtual bool Generate(const FileDescriptor* file,
                         const string& parameter,
-                        OutputDirectory* output_directory,
+                        GeneratorContext* generator_context,
                         string* error) const;
 
  private:
@@ -104,6 +104,7 @@ class LIBPROTOC_EXPORT Generator : public CodeGenerator {
   void FixForeignFieldsInField(const Descriptor* containing_type,
                                const FieldDescriptor& field,
                                const string& python_dict_name) const;
+  void AddMessageToFileDescriptor(const Descriptor& descriptor) const;
   string FieldReferencingExpression(const Descriptor* containing_type,
                                     const FieldDescriptor& field,
                                     const string& python_dict_name) const;
@@ -137,6 +138,11 @@ class LIBPROTOC_EXPORT Generator : public CodeGenerator {
   void PrintSerializedPbInterval(
       const DescriptorT& descriptor, DescriptorProtoT& proto) const;
 
+  void FixAllDescriptorOptions() const;
+  void FixOptionsForField(const FieldDescriptor& field) const;
+  void FixOptionsForEnum(const EnumDescriptor& descriptor) const;
+  void FixOptionsForMessage(const Descriptor& descriptor) const;
+
   // Very coarse-grained lock to ensure that Generate() is reentrant.
   // Guards file_, printer_ and file_descriptor_serialized_.
   mutable Mutex mutex_;
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/python/python_plugin_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/python/python_plugin_unittest.cc
similarity index 89%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/python/python_plugin_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/python/python_plugin_unittest.cc
index fde88761..da619ad3 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/python/python_plugin_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/python/python_plugin_unittest.cc
@@ -56,19 +56,19 @@ class TestGenerator : public CodeGenerator {
 
   virtual bool Generate(const FileDescriptor* file,
                         const string& parameter,
-                        OutputDirectory* output_directory,
+                        GeneratorContext* context,
                         string* error) const {
-    TryInsert("test_pb2.py", "imports", output_directory);
-    TryInsert("test_pb2.py", "module_scope", output_directory);
-    TryInsert("test_pb2.py", "class_scope:foo.Bar", output_directory);
-    TryInsert("test_pb2.py", "class_scope:foo.Bar.Baz", output_directory);
+    TryInsert("test_pb2.py", "imports", context);
+    TryInsert("test_pb2.py", "module_scope", context);
+    TryInsert("test_pb2.py", "class_scope:foo.Bar", context);
+    TryInsert("test_pb2.py", "class_scope:foo.Bar.Baz", context);
     return true;
   }
 
   void TryInsert(const string& filename, const string& insertion_point,
-                 OutputDirectory* output_directory) const {
+                 GeneratorContext* context) const {
     scoped_ptr<io::ZeroCopyOutputStream> output(
-      output_directory->OpenForInsert(filename, insertion_point));
+      context->OpenForInsert(filename, insertion_point));
     io::Printer printer(output.get(), '$');
     printer.Print("// inserted $name$\n", "name", insertion_point);
   }
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/subprocess.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/subprocess.cc
similarity index 93%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/subprocess.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/subprocess.cc
index de46a3e6..67da120d 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/subprocess.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/subprocess.cc
@@ -32,13 +32,16 @@
 
 #include <google/protobuf/compiler/subprocess.h>
 
+#include <algorithm>
+#include <iostream>
+
 #ifndef _WIN32
 #include <errno.h>
+#include <sys/select.h>
 #include <sys/wait.h>
 #include <signal.h>
 #endif
 
-#include <algorithm>
 #include <google/protobuf/stubs/common.h>
 #include <google/protobuf/message.h>
 #include <google/protobuf/stubs/substitute.h>
@@ -96,7 +99,7 @@ void Subprocess::Start(const string& program, SearchMode search_mode) {
   }
 
   // Setup STARTUPINFO to redirect handles.
-  STARTUPINFO startup_info;
+  STARTUPINFOA startup_info;
   ZeroMemory(&startup_info, sizeof(startup_info));
   startup_info.cb = sizeof(startup_info);
   startup_info.dwFlags = STARTF_USESTDHANDLES;
@@ -115,16 +118,16 @@ void Subprocess::Start(const string& program, SearchMode search_mode) {
   // Create the process.
   PROCESS_INFORMATION process_info;
 
-  if (CreateProcess((search_mode == SEARCH_PATH) ? NULL : program.c_str(),
-                    (search_mode == SEARCH_PATH) ? name_copy : NULL,
-                    NULL,  // process security attributes
-                    NULL,  // thread security attributes
-                    TRUE,  // inherit handles?
-                    0,     // obscure creation flags
-                    NULL,  // environment (inherit from parent)
-                    NULL,  // current directory (inherit from parent)
-                    &startup_info,
-                    &process_info)) {
+  if (CreateProcessA((search_mode == SEARCH_PATH) ? NULL : program.c_str(),
+                     (search_mode == SEARCH_PATH) ? name_copy : NULL,
+                     NULL,  // process security attributes
+                     NULL,  // thread security attributes
+                     TRUE,  // inherit handles?
+                     0,     // obscure creation flags
+                     NULL,  // environment (inherit from parent)
+                     NULL,  // current directory (inherit from parent)
+                     &startup_info,
+                     &process_info)) {
     child_handle_ = process_info.hProcess;
     CloseHandleOrDie(process_info.hThread);
     child_stdin_ = stdin_pipe_write;
@@ -292,8 +295,8 @@ void Subprocess::Start(const string& program, SearchMode search_mode) {
   int stdin_pipe[2];
   int stdout_pipe[2];
 
-  pipe(stdin_pipe);
-  pipe(stdout_pipe);
+  GOOGLE_CHECK(pipe(stdin_pipe) != -1);
+  GOOGLE_CHECK(pipe(stdout_pipe) != -1);
 
   char* argv[2] = { strdup(program.c_str()), NULL };
 
@@ -321,9 +324,11 @@ void Subprocess::Start(const string& program, SearchMode search_mode) {
 
     // Write directly to STDERR_FILENO to avoid stdio code paths that may do
     // stuff that is unsafe here.
-    write(STDERR_FILENO, argv[0], strlen(argv[0]));
+    int ignored;
+    ignored = write(STDERR_FILENO, argv[0], strlen(argv[0]));
     const char* message = ": program not found or is not executable\n";
-    write(STDERR_FILENO, message, strlen(message));
+    ignored = write(STDERR_FILENO, message, strlen(message));
+    (void) ignored;
 
     // Must use _exit() rather than exit() to avoid flushing output buffers
     // that will also be flushed by the parent.
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/subprocess.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/subprocess.h
similarity index 97%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/subprocess.h
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/subprocess.h
index f9e8ae8d..00564964 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/subprocess.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/subprocess.h
@@ -40,9 +40,10 @@
 #include <sys/types.h>
 #include <unistd.h>
 #endif  // !_WIN32
+#include <google/protobuf/stubs/common.h>
 
 #include <string>
-#include <google/protobuf/stubs/common.h>
+
 
 namespace google {
 namespace protobuf {
@@ -52,7 +53,7 @@ class Message;
 namespace compiler {
 
 // Utility class for launching sub-processes.
-class Subprocess {
+class LIBPROTOC_EXPORT Subprocess {
  public:
   Subprocess();
   ~Subprocess();
@@ -76,7 +77,7 @@ class Subprocess {
 #ifdef _WIN32
   // Given an error code, returns a human-readable error message.  This is
   // defined here so that CommandLineInterface can share it.
-  static string Subprocess::Win32ErrorMessage(DWORD error_code);
+  static string Win32ErrorMessage(DWORD error_code);
 #endif
 
  private:
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/test_plugin.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/test_plugin.cc
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/test_plugin.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/test_plugin.cc
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/zip_output_unittest.sh b/common/protobuf-2.5.0/src/google/protobuf/compiler/zip_output_unittest.sh
similarity index 68%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/zip_output_unittest.sh
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/zip_output_unittest.sh
index 259d5d21..3a024364 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/zip_output_unittest.sh
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/zip_output_unittest.sh
@@ -39,45 +39,51 @@ fail() {
   exit 1
 }
 
+TEST_TMPDIR=.
+PROTOC=./protoc
+
 echo '
+  syntax = "proto2";
   option java_multiple_files = true;
   option java_package = "test.jar";
   option java_outer_classname = "Outer";
   message Foo {}
   message Bar {}
-' > testzip.proto
+' > $TEST_TMPDIR/testzip.proto
 
-./protoc --cpp_out=testzip.zip --python_out=testzip.zip --java_out=testzip.jar \
-    testzip.proto || fail 'protoc failed.'
+$PROTOC \
+    --cpp_out=$TEST_TMPDIR/testzip.zip --python_out=$TEST_TMPDIR/testzip.zip \
+    --java_out=$TEST_TMPDIR/testzip.jar -I$TEST_TMPDIR testzip.proto \
+    || fail 'protoc failed.'
 
 echo "Testing output to zip..."
 if unzip -h > /dev/null; then
-  unzip -t testzip.zip > testzip.list || fail 'unzip failed.'
+  unzip -t $TEST_TMPDIR/testzip.zip > $TEST_TMPDIR/testzip.list || fail 'unzip failed.'
 
-  grep 'testing: testzip\.pb\.cc *OK$' testzip.list > /dev/null \
+  grep 'testing: testzip\.pb\.cc *OK$' $TEST_TMPDIR/testzip.list > /dev/null \
     || fail 'testzip.pb.cc not found in output zip.'
-  grep 'testing: testzip\.pb\.h *OK$' testzip.list > /dev/null \
+  grep 'testing: testzip\.pb\.h *OK$' $TEST_TMPDIR/testzip.list > /dev/null \
     || fail 'testzip.pb.h not found in output zip.'
-  grep 'testing: testzip_pb2\.py *OK$' testzip.list > /dev/null \
+  grep 'testing: testzip_pb2\.py *OK$' $TEST_TMPDIR/testzip.list > /dev/null \
     || fail 'testzip_pb2.py not found in output zip.'
-  grep -i 'manifest' testzip.list > /dev/null \
+  grep -i 'manifest' $TEST_TMPDIR/testzip.list > /dev/null \
     && fail 'Zip file contained manifest.'
 else
   echo "Warning:  'unzip' command not available.  Skipping test."
 fi
 
 echo "Testing output to jar..."
-if jar c testzip.proto > /dev/null; then
-  jar tf testzip.jar > testzip.list || fail 'jar failed.'
+if jar c $TEST_TMPDIR/testzip.proto > /dev/null; then
+  jar tf $TEST_TMPDIR/testzip.jar > $TEST_TMPDIR/testzip.list || fail 'jar failed.'
 
-  grep '^test/jar/Foo\.java$' testzip.list > /dev/null \
+  grep '^test/jar/Foo\.java$' $TEST_TMPDIR/testzip.list > /dev/null \
     || fail 'Foo.java not found in output jar.'
-  grep '^test/jar/Bar\.java$' testzip.list > /dev/null \
+  grep '^test/jar/Bar\.java$' $TEST_TMPDIR/testzip.list > /dev/null \
     || fail 'Bar.java not found in output jar.'
-  grep '^test/jar/Outer\.java$' testzip.list > /dev/null \
+  grep '^test/jar/Outer\.java$' $TEST_TMPDIR/testzip.list > /dev/null \
     || fail 'Outer.java not found in output jar.'
-  grep '^META-INF/MANIFEST\.MF$' testzip.list > /dev/null \
-    || fail 'Manifest not ofund in output jar.'
+  grep '^META-INF/MANIFEST\.MF$' $TEST_TMPDIR/testzip.list > /dev/null \
+    || fail 'Manifest not found in output jar.'
 else
   echo "Warning:  'jar' command not available.  Skipping test."
 fi
diff --git a/common/protobuf-2.3.0/src/google/protobuf/compiler/zip_writer.cc b/common/protobuf-2.5.0/src/google/protobuf/compiler/zip_writer.cc
similarity index 84%
rename from common/protobuf-2.3.0/src/google/protobuf/compiler/zip_writer.cc
rename to common/protobuf-2.5.0/src/google/protobuf/compiler/zip_writer.cc
index 53c18771..65d73527 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/compiler/zip_writer.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/zip_writer.cc
@@ -28,6 +28,36 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
 // Author: ambrose@google.com (Ambrose Feinstein),
 //         kenton@google.com (Kenton Varda)
 //
@@ -183,6 +213,6 @@ bool ZipWriter::WriteDirectory() {
   return output.HadError();
 }
 
-}  // namespace google
-}  // namespace protobuf
 }  // namespace compiler
+}  // namespace protobuf
+}  // namespace google
diff --git a/common/protobuf-2.5.0/src/google/protobuf/compiler/zip_writer.h b/common/protobuf-2.5.0/src/google/protobuf/compiler/zip_writer.h
new file mode 100644
index 00000000..be73972a
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/compiler/zip_writer.h
@@ -0,0 +1,93 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Author: kenton@google.com (Kenton Varda)
+
+#include <vector>
+#include <google/protobuf/stubs/common.h>
+#include <google/protobuf/io/zero_copy_stream.h>
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+
+class ZipWriter {
+ public:
+  ZipWriter(io::ZeroCopyOutputStream* raw_output);
+  ~ZipWriter();
+
+  bool Write(const string& filename, const string& contents);
+  bool WriteDirectory();
+
+ private:
+  struct FileInfo {
+    string name;
+    uint32 offset;
+    uint32 size;
+    uint32 crc32;
+  };
+
+  io::ZeroCopyOutputStream* raw_output_;
+  vector<FileInfo> files_;
+};
+
+}  // namespace compiler
+}  // namespace protobuf
+}  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/descriptor.cc b/common/protobuf-2.5.0/src/google/protobuf/descriptor.cc
similarity index 85%
rename from common/protobuf-2.3.0/src/google/protobuf/descriptor.cc
rename to common/protobuf-2.5.0/src/google/protobuf/descriptor.cc
index 81c4ac0f..c941aacc 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/descriptor.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/descriptor.cc
@@ -42,17 +42,19 @@
 #include <google/protobuf/descriptor.h>
 #include <google/protobuf/descriptor_database.h>
 #include <google/protobuf/descriptor.pb.h>
+#include <google/protobuf/dynamic_message.h>
 #include <google/protobuf/text_format.h>
 #include <google/protobuf/unknown_field_set.h>
 #include <google/protobuf/wire_format.h>
 #include <google/protobuf/io/coded_stream.h>
+#include <google/protobuf/io/tokenizer.h>
 #include <google/protobuf/io/zero_copy_stream_impl.h>
 #include <google/protobuf/stubs/common.h>
 #include <google/protobuf/stubs/once.h>
 #include <google/protobuf/stubs/strutil.h>
 #include <google/protobuf/stubs/substitute.h>
 #include <google/protobuf/stubs/map-util.h>
-#include <google/protobuf/stubs/stl_util-inl.h>
+#include <google/protobuf/stubs/stl_util.h>
 
 #undef PACKAGE  // autoheader #defines this.  :(
 
@@ -106,6 +108,21 @@ const char * const FieldDescriptor::kTypeToName[MAX_TYPE + 1] = {
   "sint64",    // TYPE_SINT64
 };
 
+const char * const FieldDescriptor::kCppTypeToName[MAX_CPPTYPE + 1] = {
+  "ERROR",     // 0 is reserved for errors
+
+  "int32",     // CPPTYPE_INT32
+  "int64",     // CPPTYPE_INT64
+  "uint32",    // CPPTYPE_UINT32
+  "uint64",    // CPPTYPE_UINT64
+  "double",    // CPPTYPE_DOUBLE
+  "float",     // CPPTYPE_FLOAT
+  "bool",      // CPPTYPE_BOOL
+  "enum",      // CPPTYPE_ENUM
+  "string",    // CPPTYPE_STRING
+  "message",   // CPPTYPE_MESSAGE
+};
+
 const char * const FieldDescriptor::kLabelToName[MAX_LABEL + 1] = {
   "ERROR",     // 0 is reserved for errors
 
@@ -219,7 +236,8 @@ struct PointerStringPairHash {
 
 struct Symbol {
   enum Type {
-    NULL_SYMBOL, MESSAGE, FIELD, ENUM, ENUM_VALUE, SERVICE, METHOD, PACKAGE
+    NULL_SYMBOL, MESSAGE, FIELD, ENUM, ENUM_VALUE, SERVICE, METHOD,
+    PACKAGE
   };
   Type type;
   union {
@@ -309,17 +327,42 @@ class DescriptorPool::Tables {
   Tables();
   ~Tables();
 
-  // Checkpoint the state of the tables.  Future calls to Rollback() will
-  // return the Tables to this state.  This is used when building files, since
-  // some kinds of validation errors cannot be detected until the file's
-  // descriptors have already been added to the tables.  BuildFile() calls
-  // Checkpoint() before it starts building and Rollback() if it encounters
-  // an error.
-  void Checkpoint();
+  // Record the current state of the tables to the stack of checkpoints.
+  // Each call to AddCheckpoint() must be paired with exactly one call to either
+  // ClearLastCheckpoint() or RollbackToLastCheckpoint().
+  //
+  // This is used when building files, since some kinds of validation errors
+  // cannot be detected until the file's descriptors have already been added to
+  // the tables.
+  //
+  // This supports recursive checkpoints, since building a file may trigger
+  // recursive building of other files. Note that recursive checkpoints are not
+  // normally necessary; explicit dependencies are built prior to checkpointing.
+  // So although we recursively build transitive imports, there is at most one
+  // checkpoint in the stack during dependency building.
+  //
+  // Recursive checkpoints only arise during cross-linking of the descriptors.
+  // Symbol references must be resolved, via DescriptorBuilder::FindSymbol and
+  // friends. If the pending file references an unknown symbol
+  // (e.g., it is not defined in the pending file's explicit dependencies), and
+  // the pool is using a fallback database, and that database contains a file
+  // defining that symbol, and that file has not yet been built by the pool,
+  // the pool builds the file during cross-linking, leading to another
+  // checkpoint.
+  void AddCheckpoint();
 
-  // Roll back the Tables to the state of the last Checkpoint(), removing
-  // everything that was added after that point.
-  void Rollback();
+  // Mark the last checkpoint as having cleared successfully, removing it from
+  // the stack. If the stack is empty, all pending symbols will be committed.
+  //
+  // Note that this does not guarantee that the symbols added since the last
+  // checkpoint won't be rolled back: if a checkpoint gets rolled back,
+  // everything past that point gets rolled back, including symbols added after
+  // checkpoints that were pushed onto the stack after it and marked as cleared.
+  void ClearLastCheckpoint();
+
+  // Roll back the Tables to the state of the checkpoint at the top of the
+  // stack, removing everything that was added after that point.
+  void RollbackToLastCheckpoint();
 
   // The stack of files which are currently being built.  Used to detect
   // cyclic dependencies when loading files from a DescriptorDatabase.  Not
@@ -403,10 +446,28 @@ class DescriptorPool::Tables {
   FilesByNameMap        files_by_name_;
   ExtensionsGroupedByDescriptorMap extensions_;
 
-  int strings_before_checkpoint_;
-  int messages_before_checkpoint_;
-  int file_tables_before_checkpoint_;
-  int allocations_before_checkpoint_;
+  struct CheckPoint {
+    explicit CheckPoint(const Tables* tables)
+      : strings_before_checkpoint(tables->strings_.size()),
+        messages_before_checkpoint(tables->messages_.size()),
+        file_tables_before_checkpoint(tables->file_tables_.size()),
+        allocations_before_checkpoint(tables->allocations_.size()),
+        pending_symbols_before_checkpoint(
+            tables->symbols_after_checkpoint_.size()),
+        pending_files_before_checkpoint(
+            tables->files_after_checkpoint_.size()),
+        pending_extensions_before_checkpoint(
+            tables->extensions_after_checkpoint_.size()) {
+    }
+    int strings_before_checkpoint;
+    int messages_before_checkpoint;
+    int file_tables_before_checkpoint;
+    int allocations_before_checkpoint;
+    int pending_symbols_before_checkpoint;
+    int pending_files_before_checkpoint;
+    int pending_extensions_before_checkpoint;
+  };
+  vector<CheckPoint> checkpoints_;
   vector<const char*      > symbols_after_checkpoint_;
   vector<const char*      > files_after_checkpoint_;
   vector<DescriptorIntPair> extensions_after_checkpoint_;
@@ -479,11 +540,15 @@ class FileDescriptorTables {
 };
 
 DescriptorPool::Tables::Tables()
-  : strings_before_checkpoint_(0),
-    messages_before_checkpoint_(0),
-    allocations_before_checkpoint_(0) {}
+    // Start some hash_map and hash_set objects with a small # of buckets
+    : known_bad_files_(3),
+      extensions_loaded_from_db_(3),
+      symbols_by_name_(3),
+      files_by_name_(3) {}
+
 
 DescriptorPool::Tables::~Tables() {
+  GOOGLE_DCHECK(checkpoints_.empty());
   // Note that the deletion order is important, since the destructors of some
   // messages may refer to objects in allocations_.
   STLDeleteElements(&messages_);
@@ -494,51 +559,80 @@ DescriptorPool::Tables::~Tables() {
   STLDeleteElements(&file_tables_);
 }
 
-FileDescriptorTables::FileDescriptorTables() {}
+FileDescriptorTables::FileDescriptorTables()
+    // Initialize all the hash tables to start out with a small # of buckets
+    : symbols_by_parent_(3),
+      fields_by_lowercase_name_(3),
+      fields_by_camelcase_name_(3),
+      fields_by_number_(3),
+      enum_values_by_number_(3) {
+}
+
 FileDescriptorTables::~FileDescriptorTables() {}
 
 const FileDescriptorTables FileDescriptorTables::kEmpty;
 
-void DescriptorPool::Tables::Checkpoint() {
-  strings_before_checkpoint_ = strings_.size();
-  messages_before_checkpoint_ = messages_.size();
-  file_tables_before_checkpoint_ = file_tables_.size();
-  allocations_before_checkpoint_ = allocations_.size();
-
-  symbols_after_checkpoint_.clear();
-  files_after_checkpoint_.clear();
-  extensions_after_checkpoint_.clear();
+void DescriptorPool::Tables::AddCheckpoint() {
+  checkpoints_.push_back(CheckPoint(this));
 }
 
-void DescriptorPool::Tables::Rollback() {
-  for (int i = 0; i < symbols_after_checkpoint_.size(); i++) {
+void DescriptorPool::Tables::ClearLastCheckpoint() {
+  GOOGLE_DCHECK(!checkpoints_.empty());
+  checkpoints_.pop_back();
+  if (checkpoints_.empty()) {
+    // All checkpoints have been cleared: we can now commit all of the pending
+    // data.
+    symbols_after_checkpoint_.clear();
+    files_after_checkpoint_.clear();
+    extensions_after_checkpoint_.clear();
+  }
+}
+
+void DescriptorPool::Tables::RollbackToLastCheckpoint() {
+  GOOGLE_DCHECK(!checkpoints_.empty());
+  const CheckPoint& checkpoint = checkpoints_.back();
+
+  for (int i = checkpoint.pending_symbols_before_checkpoint;
+       i < symbols_after_checkpoint_.size();
+       i++) {
     symbols_by_name_.erase(symbols_after_checkpoint_[i]);
   }
-  for (int i = 0; i < files_after_checkpoint_.size(); i++) {
+  for (int i = checkpoint.pending_files_before_checkpoint;
+       i < files_after_checkpoint_.size();
+       i++) {
     files_by_name_.erase(files_after_checkpoint_[i]);
   }
-  for (int i = 0; i < extensions_after_checkpoint_.size(); i++) {
+  for (int i = checkpoint.pending_extensions_before_checkpoint;
+       i < extensions_after_checkpoint_.size();
+       i++) {
     extensions_.erase(extensions_after_checkpoint_[i]);
   }
 
-  symbols_after_checkpoint_.clear();
-  files_after_checkpoint_.clear();
-  extensions_after_checkpoint_.clear();
+  symbols_after_checkpoint_.resize(
+      checkpoint.pending_symbols_before_checkpoint);
+  files_after_checkpoint_.resize(checkpoint.pending_files_before_checkpoint);
+  extensions_after_checkpoint_.resize(
+      checkpoint.pending_extensions_before_checkpoint);
 
   STLDeleteContainerPointers(
-    strings_.begin() + strings_before_checkpoint_, strings_.end());
+      strings_.begin() + checkpoint.strings_before_checkpoint, strings_.end());
   STLDeleteContainerPointers(
-    messages_.begin() + messages_before_checkpoint_, messages_.end());
+      messages_.begin() + checkpoint.messages_before_checkpoint,
+      messages_.end());
   STLDeleteContainerPointers(
-    file_tables_.begin() + file_tables_before_checkpoint_, file_tables_.end());
-  for (int i = allocations_before_checkpoint_; i < allocations_.size(); i++) {
+      file_tables_.begin() + checkpoint.file_tables_before_checkpoint,
+      file_tables_.end());
+  for (int i = checkpoint.allocations_before_checkpoint;
+       i < allocations_.size();
+       i++) {
     operator delete(allocations_[i]);
   }
 
-  strings_.resize(strings_before_checkpoint_);
-  messages_.resize(messages_before_checkpoint_);
-  file_tables_.resize(file_tables_before_checkpoint_);
-  allocations_.resize(allocations_before_checkpoint_);
+  strings_.resize(checkpoint.strings_before_checkpoint);
+  messages_.resize(checkpoint.messages_before_checkpoint);
+  file_tables_.resize(checkpoint.file_tables_before_checkpoint);
+  allocations_.resize(checkpoint.allocations_before_checkpoint);
+  checkpoints_.pop_back();
 }
 
 // -------------------------------------------------------------------
@@ -809,7 +903,7 @@ void DeleteGeneratedPool() {
   generated_pool_ = NULL;
 }
 
-void InitGeneratedPool() {
+static void InitGeneratedPool() {
   generated_database_ = new EncodedDescriptorDatabase;
   generated_pool_ = new DescriptorPool(generated_database_);
 
@@ -872,11 +966,11 @@ const FileDescriptor* DescriptorPool::FindFileByName(const string& name) const {
   const FileDescriptor* result = tables_->FindFile(name);
   if (result != NULL) return result;
   if (underlay_ != NULL) {
-    const FileDescriptor* result = underlay_->FindFileByName(name);
+    result = underlay_->FindFileByName(name);
     if (result != NULL) return result;
   }
   if (TryFindFileInFallbackDatabase(name)) {
-    const FileDescriptor* result = tables_->FindFile(name);
+    result = tables_->FindFile(name);
     if (result != NULL) return result;
   }
   return NULL;
@@ -888,12 +982,12 @@ const FileDescriptor* DescriptorPool::FindFileContainingSymbol(
   Symbol result = tables_->FindSymbol(symbol_name);
   if (!result.IsNull()) return result.GetFile();
   if (underlay_ != NULL) {
-    const FileDescriptor* result =
+    const FileDescriptor* file_result =
       underlay_->FindFileContainingSymbol(symbol_name);
-    if (result != NULL) return result;
+    if (file_result != NULL) return file_result;
   }
   if (TryFindSymbolInFallbackDatabase(symbol_name)) {
-    Symbol result = tables_->FindSymbol(symbol_name);
+    result = tables_->FindSymbol(symbol_name);
     if (!result.IsNull()) return result.GetFile();
   }
   return NULL;
@@ -960,12 +1054,11 @@ const FieldDescriptor* DescriptorPool::FindExtensionByNumber(
     return result;
   }
   if (underlay_ != NULL) {
-    const FieldDescriptor* result =
-      underlay_->FindExtensionByNumber(extendee, number);
+    result = underlay_->FindExtensionByNumber(extendee, number);
     if (result != NULL) return result;
   }
   if (TryFindExtensionInFallbackDatabase(extendee, number)) {
-    const FieldDescriptor* result = tables_->FindExtension(extendee, number);
+    result = tables_->FindExtension(extendee, number);
     if (result != NULL) {
       return result;
     }
@@ -1239,9 +1332,48 @@ bool DescriptorPool::TryFindFileInFallbackDatabase(const string& name) const {
   return true;
 }
 
+bool DescriptorPool::IsSubSymbolOfBuiltType(const string& name) const {
+  string prefix = name;
+  for (;;) {
+    string::size_type dot_pos = prefix.find_last_of('.');
+    if (dot_pos == string::npos) {
+      break;
+    }
+    prefix = prefix.substr(0, dot_pos);
+    Symbol symbol = tables_->FindSymbol(prefix);
+    // If the symbol type is anything other than PACKAGE, then its complete
+    // definition is already known.
+    if (!symbol.IsNull() && symbol.type != Symbol::PACKAGE) {
+      return true;
+    }
+  }
+  if (underlay_ != NULL) {
+    // Check to see if any prefix of this symbol exists in the underlay.
+    return underlay_->IsSubSymbolOfBuiltType(name);
+  }
+  return false;
+}
+
 bool DescriptorPool::TryFindSymbolInFallbackDatabase(const string& name) const {
   if (fallback_database_ == NULL) return false;
 
+  // We skip looking in the fallback database if the name is a sub-symbol of
+  // any descriptor that already exists in the descriptor pool (except for
+  // package descriptors).  This is valid because all symbols except for
+  // packages are defined in a single file, so if the symbol exists then we
+  // should already have its definition.
+  //
+  // The other reason to do this is to support "overriding" type definitions
+  // by merging two databases that define the same type.  (Yes, people do
+  // this.)  The main difficulty with making this work is that
+  // FindFileContainingSymbol() is allowed to return both false positives
+  // (e.g., SimpleDescriptorDatabase, UpgradedDescriptorDatabase) and false
+  // negatives (e.g. ProtoFileParser, SourceTreeDescriptorDatabase).  When two
+  // such databases are merged, looking up a non-existent sub-symbol of a type
+  // that already exists in the descriptor pool can result in an attempt to
+  // load multiple definitions of the same type.  The check below avoids this.
+  if (IsSubSymbolOfBuiltType(name)) return false;
+
   FileDescriptorProto file_proto;
   if (!fallback_database_->FindFileContainingSymbol(name, &file_proto)) {
     return false;
@@ -1343,6 +1475,14 @@ void FileDescriptor::CopyTo(FileDescriptorProto* proto) const {
     proto->add_dependency(dependency(i)->name());
   }
 
+  for (int i = 0; i < public_dependency_count(); i++) {
+    proto->add_public_dependency(public_dependencies_[i]);
+  }
+
+  for (int i = 0; i < weak_dependency_count(); i++) {
+    proto->add_weak_dependency(weak_dependencies_[i]);
+  }
+
   for (int i = 0; i < message_type_count(); i++) {
     message_type(i)->CopyTo(proto->add_message_type());
   }
@@ -1361,6 +1501,12 @@ void FileDescriptor::CopyTo(FileDescriptorProto* proto) const {
   }
 }
 
+void FileDescriptor::CopySourceCodeInfoTo(FileDescriptorProto* proto) const {
+  if (source_code_info_ != &SourceCodeInfo::default_instance()) {
+    proto->mutable_source_code_info()->CopyFrom(*source_code_info_);
+  }
+}
+
 void Descriptor::CopyTo(DescriptorProto* proto) const {
   proto->set_name(name());
 
@@ -1488,16 +1634,14 @@ void MethodDescriptor::CopyTo(MethodDescriptorProto* proto) const {
 namespace {
 
 // Used by each of the option formatters.
-bool RetrieveOptions(const Message &options, vector<string> *option_entries) {
+bool RetrieveOptions(int depth,
+                     const Message &options,
+                     vector<string> *option_entries) {
   option_entries->clear();
   const Reflection* reflection = options.GetReflection();
   vector<const FieldDescriptor*> fields;
   reflection->ListFields(options, &fields);
   for (int i = 0; i < fields.size(); i++) {
-    // Doesn't make sense to have message type fields here
-    if (fields[i]->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) {
-      continue;
-    }
     int count = 1;
     bool repeated = false;
     if (fields[i]->is_repeated()) {
@@ -1506,9 +1650,27 @@ bool RetrieveOptions(const Message &options, vector<string> *option_entries) {
     }
     for (int j = 0; j < count; j++) {
       string fieldval;
-      TextFormat::PrintFieldValueToString(options, fields[i],
-                                          repeated ? count : -1, &fieldval);
-      option_entries->push_back(fields[i]->name() + " = " + fieldval);
+      if (fields[i]->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) {
+        string tmp;
+        TextFormat::Printer printer;
+        printer.SetInitialIndentLevel(depth + 1);
+        printer.PrintFieldValueToString(options, fields[i],
+                                        repeated ? j : -1, &tmp);
+        fieldval.append("{\n");
+        fieldval.append(tmp);
+        fieldval.append(depth * 2, ' ');
+        fieldval.append("}");
+      } else {
+        TextFormat::PrintFieldValueToString(options, fields[i],
+                                            repeated ? j : -1, &fieldval);
+      }
+      string name;
+      if (fields[i]->is_extension()) {
+        name = "(." + fields[i]->full_name() + ")";
+      } else {
+        name = fields[i]->name();
+      }
+      option_entries->push_back(name + " = " + fieldval);
     }
   }
   return !option_entries->empty();
@@ -1516,9 +1678,9 @@ bool RetrieveOptions(const Message &options, vector<string> *option_entries) {
 
 // Formats options that all appear together in brackets. Does not include
 // brackets.
-bool FormatBracketedOptions(const Message &options, string *output) {
+bool FormatBracketedOptions(int depth, const Message &options, string *output) {
   vector<string> all_options;
-  if (RetrieveOptions(options, &all_options)) {
+  if (RetrieveOptions(depth, options, &all_options)) {
     output->append(JoinStrings(all_options, ", "));
   }
   return !all_options.empty();
@@ -1528,7 +1690,7 @@ bool FormatBracketedOptions(const Message &options, string *output) {
 bool FormatLineOptions(int depth, const Message &options, string *output) {
   string prefix(depth * 2, ' ');
   vector<string> all_options;
-  if (RetrieveOptions(options, &all_options)) {
+  if (RetrieveOptions(depth, options, &all_options)) {
     for (int i = 0; i < all_options.size(); i++) {
       strings::SubstituteAndAppend(output, "$0option $1;\n",
                                    prefix, all_options[i]);
@@ -1542,9 +1704,24 @@ bool FormatLineOptions(int depth, const Message &options, string *output) {
 string FileDescriptor::DebugString() const {
   string contents = "syntax = \"proto2\";\n\n";
 
+  set<int> public_dependencies;
+  set<int> weak_dependencies;
+  public_dependencies.insert(public_dependencies_,
+                             public_dependencies_ + public_dependency_count_);
+  weak_dependencies.insert(weak_dependencies_,
+                           weak_dependencies_ + weak_dependency_count_);
+
   for (int i = 0; i < dependency_count(); i++) {
-    strings::SubstituteAndAppend(&contents, "import \"$0\";\n",
-                                 dependency(i)->name());
+    if (public_dependencies.count(i) > 0) {
+      strings::SubstituteAndAppend(&contents, "import public \"$0\";\n",
+                                   dependency(i)->name());
+    } else if (weak_dependencies.count(i) > 0) {
+      strings::SubstituteAndAppend(&contents, "import weak \"$0\";\n",
+                                   dependency(i)->name());
+    } else {
+      strings::SubstituteAndAppend(&contents, "import \"$0\";\n",
+                                   dependency(i)->name());
+    }
   }
 
   if (!package().empty()) {
@@ -1710,7 +1887,7 @@ void FieldDescriptor::DebugString(int depth, string *contents) const {
   }
 
   string formatted_options;
-  if (FormatBracketedOptions(options(), &formatted_options)) {
+  if (FormatBracketedOptions(depth, options(), &formatted_options)) {
     contents->append(bracketed ? ", " : " [");
     bracketed = true;
     contents->append(formatted_options);
@@ -1759,7 +1936,7 @@ void EnumValueDescriptor::DebugString(int depth, string *contents) const {
                                prefix, name(), number());
 
   string formatted_options;
-  if (FormatBracketedOptions(options(), &formatted_options)) {
+  if (FormatBracketedOptions(depth, options(), &formatted_options)) {
     strings::SubstituteAndAppend(contents, " [$0]", formatted_options);
   }
   contents->append(";\n");
@@ -1805,6 +1982,126 @@ void MethodDescriptor::DebugString(int depth, string *contents) const {
     contents->append(";\n");
   }
 }
+
+
+// Location methods ===============================================
+
+static bool PathsEqual(const vector<int>& x, const RepeatedField<int32>& y) {
+  if (x.size() != y.size()) return false;
+  for (int i = 0; i < x.size(); ++i) {
+    if (x[i] != y.Get(i)) return false;
+  }
+  return true;
+}
+
+bool FileDescriptor::GetSourceLocation(const vector<int>& path,
+                                       SourceLocation* out_location) const {
+  GOOGLE_CHECK_NOTNULL(out_location);
+  const SourceCodeInfo* info = source_code_info_;
+  for (int i = 0; info && i < info->location_size(); ++i) {
+    if (PathsEqual(path, info->location(i).path())) {
+      const RepeatedField<int32>& span = info->location(i).span();
+      if (span.size() == 3 || span.size() == 4) {
+        out_location->start_line   = span.Get(0);
+        out_location->start_column = span.Get(1);
+        out_location->end_line     = span.Get(span.size() == 3 ? 0 : 2);
+        out_location->end_column   = span.Get(span.size() - 1);
+
+        out_location->leading_comments = info->location(i).leading_comments();
+        out_location->trailing_comments = info->location(i).trailing_comments();
+        return true;
+      }
+    }
+  }
+  return false;
+}
+
+bool FieldDescriptor::is_packed() const {
+  return is_packable() && (options_ != NULL) && options_->packed();
+}
+
+bool Descriptor::GetSourceLocation(SourceLocation* out_location) const {
+  vector<int> path;
+  GetLocationPath(&path);
+  return file()->GetSourceLocation(path, out_location);
+}
+
+bool FieldDescriptor::GetSourceLocation(SourceLocation* out_location) const {
+  vector<int> path;
+  GetLocationPath(&path);
+  return file()->GetSourceLocation(path, out_location);
+}
+
+bool EnumDescriptor::GetSourceLocation(SourceLocation* out_location) const {
+  vector<int> path;
+  GetLocationPath(&path);
+  return file()->GetSourceLocation(path, out_location);
+}
+
+bool MethodDescriptor::GetSourceLocation(SourceLocation* out_location) const {
+  vector<int> path;
+  GetLocationPath(&path);
+  return service()->file()->GetSourceLocation(path, out_location);
+}
+
+bool ServiceDescriptor::GetSourceLocation(SourceLocation* out_location) const {
+  vector<int> path;
+  GetLocationPath(&path);
+  return file()->GetSourceLocation(path, out_location);
+}
+
+bool EnumValueDescriptor::GetSourceLocation(
+    SourceLocation* out_location) const {
+  vector<int> path;
+  GetLocationPath(&path);
+  return type()->file()->GetSourceLocation(path, out_location);
+}
+
+void Descriptor::GetLocationPath(vector<int>* output) const {
+  if (containing_type()) {
+    containing_type()->GetLocationPath(output);
+    output->push_back(DescriptorProto::kNestedTypeFieldNumber);
+    output->push_back(index());
+  } else {
+    output->push_back(FileDescriptorProto::kMessageTypeFieldNumber);
+    output->push_back(index());
+  }
+}
+
+void FieldDescriptor::GetLocationPath(vector<int>* output) const {
+  containing_type()->GetLocationPath(output);
+  output->push_back(DescriptorProto::kFieldFieldNumber);
+  output->push_back(index());
+}
+
+void EnumDescriptor::GetLocationPath(vector<int>* output) const {
+  if (containing_type()) {
+    containing_type()->GetLocationPath(output);
+    output->push_back(DescriptorProto::kEnumTypeFieldNumber);
+    output->push_back(index());
+  } else {
+    output->push_back(FileDescriptorProto::kEnumTypeFieldNumber);
+    output->push_back(index());
+  }
+}
+
+void EnumValueDescriptor::GetLocationPath(vector<int>* output) const {
+  type()->GetLocationPath(output);
+  output->push_back(EnumDescriptorProto::kValueFieldNumber);
+  output->push_back(index());
+}
+
+void ServiceDescriptor::GetLocationPath(vector<int>* output) const {
+  output->push_back(FileDescriptorProto::kServiceFieldNumber);
+  output->push_back(index());
+}
+
+void MethodDescriptor::GetLocationPath(vector<int>* output) const {
+  service()->GetLocationPath(output);
+  output->push_back(ServiceDescriptorProto::kMethodFieldNumber);
+  output->push_back(index());
+}
+
 // ===================================================================
 
 namespace {
@@ -1857,6 +2154,7 @@ class DescriptorBuilder {
   string filename_;
   FileDescriptor* file_;
   FileDescriptorTables* file_tables_;
+  set<const FileDescriptor*> dependencies_;
 
   // If LookupSymbol() finds a symbol that is in a file which is not a declared
   // dependency of this file, it will fail, but will set
@@ -1886,6 +2184,10 @@ class DescriptorBuilder {
   // nested package within package_name.
   bool IsInPackage(const FileDescriptor* file, const string& package_name);
 
+  // Helper function which finds all public dependencies of the given file, and
+  // stores the them in the dependencies_ set in the builder.
+  void RecordPublicDependencies(const FileDescriptor* file);
+
   // Like tables_->FindSymbol(), but additionally:
   // - Search the pool's underlay if not found in tables_.
   // - Insure that the resulting Symbol is from one of the file's declared
@@ -1896,6 +2198,10 @@ class DescriptorBuilder {
   // file's declared dependencies.
   Symbol FindSymbolNotEnforcingDeps(const string& name);
 
+  // This implements the body of FindSymbolNotEnforcingDeps().
+  Symbol FindSymbolNotEnforcingDepsHelper(const DescriptorPool* pool,
+                                          const string& name);
+
   // Like FindSymbol(), but looks up the name relative to some other symbol
   // name.  This first searches siblings of relative_to, then siblings of its
   // parents, etc.  For example, LookupSymbol("foo.bar", "baz.qux.corge") makes
@@ -2056,6 +2362,8 @@ class DescriptorBuilder {
     // Otherwise returns true.
     bool InterpretOptions(OptionsToInterpret* options_to_interpret);
 
+    class AggregateOptionFinder;
+
    private:
     // Interprets uninterpreted_option_ on the specified message, which
     // must be the mutable copy of the original options message to which
@@ -2082,6 +2390,11 @@ class DescriptorBuilder {
     bool SetOptionValue(const FieldDescriptor* option_field,
                         UnknownFieldSet* unknown_fields);
 
+    // Parses an aggregate value for a CPPTYPE_MESSAGE option and
+    // saves it into *unknown_fields.
+    bool SetAggregateOption(const FieldDescriptor* option_field,
+                            UnknownFieldSet* unknown_fields);
+
     // Convenience functions to set an int field the right way, depending on
     // its wire type (a single int CppType can represent multiple wire types).
     void SetInt32(int number, int32 value, FieldDescriptor::Type type,
@@ -2128,6 +2441,10 @@ class DescriptorBuilder {
     // can use it to find locations recorded by the parser.
     const UninterpretedOption* uninterpreted_option_;
 
+    // Factory used to create the dynamic messages we need to parse
+    // any aggregate option values we encounter.
+    DynamicMessageFactory dynamic_factory_;
+
     GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(OptionInterpreter);
   };
 
@@ -2139,12 +2456,19 @@ class DescriptorBuilder {
   // redundantly declare OptionInterpreter a friend just to make things extra
   // clear for these bad compilers.
   friend class OptionInterpreter;
+  friend class OptionInterpreter::AggregateOptionFinder;
+
   static inline bool get_allow_unknown(const DescriptorPool* pool) {
     return pool->allow_unknown_;
   }
   static inline bool get_is_placeholder(const Descriptor* descriptor) {
     return descriptor->is_placeholder_;
   }
+  static inline void assert_mutex_held(const DescriptorPool* pool) {
+    if (pool->mutex_ != NULL) {
+      pool->mutex_->AssertHeld();
+    }
+  }
 
   // Must be run only after options have been interpreted.
   //
@@ -2169,6 +2493,7 @@ class DescriptorBuilder {
 
   void ValidateMapKey(FieldDescriptor* field,
                       const FieldDescriptorProto& proto);
+
 };
 
 const FileDescriptor* DescriptorPool::BuildFile(
@@ -2255,31 +2580,48 @@ bool DescriptorBuilder::IsInPackage(const FileDescriptor* file,
             file->package()[package_name.size()] == '.');
 }
 
-Symbol DescriptorBuilder::FindSymbolNotEnforcingDeps(const string& name) {
-  Symbol result;
+void DescriptorBuilder::RecordPublicDependencies(const FileDescriptor* file) {
+  if (file == NULL || !dependencies_.insert(file).second) return;
+  for (int i = 0; file != NULL && i < file->public_dependency_count(); i++) {
+    RecordPublicDependencies(file->public_dependency(i));
+  }
+}
 
-  // We need to search our pool and all its underlays.
-  const DescriptorPool* pool = pool_;
-  while (true) {
-    // If we are looking at an underlay, we must lock its mutex_, since we are
-    // accessing the underlay's tables_ dircetly.
-    MutexLockMaybe lock((pool == pool_) ? NULL : pool->mutex_);
+Symbol DescriptorBuilder::FindSymbolNotEnforcingDepsHelper(
+    const DescriptorPool* pool, const string& name) {
+  // If we are looking at an underlay, we must lock its mutex_, since we are
+  // accessing the underlay's tables_ directly.
+  MutexLockMaybe lock((pool == pool_) ? NULL : pool->mutex_);
 
-    // Note that we don't have to check fallback_database_ here because the
-    // symbol has to be in one of its file's direct dependencies, and we have
-    // already loaded those by the time we get here.
-    result = pool->tables_->FindSymbol(name);
-    if (!result.IsNull()) break;
-    if (pool->underlay_ == NULL) return kNullSymbol;
-    pool = pool->underlay_;
+  Symbol result = pool->tables_->FindSymbol(name);
+  if (result.IsNull() && pool->underlay_ != NULL) {
+    // Symbol not found; check the underlay.
+    result = FindSymbolNotEnforcingDepsHelper(pool->underlay_, name);
+  }
+
+  if (result.IsNull()) {
+    // In theory, we shouldn't need to check fallback_database_ because the
+    // symbol should be in one of its file's direct dependencies, and we have
+    // already loaded those by the time we get here.  But we check anyway so
+    // that we can generate better error message when dependencies are missing
+    // (i.e., "missing dependency" rather than "type is not defined").
+    if (pool->TryFindSymbolInFallbackDatabase(name)) {
+      result = pool->tables_->FindSymbol(name);
+    }
   }
 
   return result;
 }
 
+Symbol DescriptorBuilder::FindSymbolNotEnforcingDeps(const string& name) {
+  return FindSymbolNotEnforcingDepsHelper(pool_, name);
+}
+
 Symbol DescriptorBuilder::FindSymbol(const string& name) {
   Symbol result = FindSymbolNotEnforcingDeps(name);
 
+  if (result.IsNull()) return result;
+
   if (!pool_->enforce_dependencies_) {
     // Hack for CompilerUpgrader.
     return result;
@@ -2288,10 +2630,7 @@ Symbol DescriptorBuilder::FindSymbol(const string& name) {
   // Only find symbols which were defined in this file or one of its
   // dependencies.
   const FileDescriptor* file = result.GetFile();
-  if (file == file_) return result;
-  for (int i = 0; i < file_->dependency_count(); i++) {
-    if (file == file_->dependency(i)) return result;
-  }
+  if (file == file_ || dependencies_.count(file) > 0) return result;
 
   if (result.type == Symbol::PACKAGE) {
     // Arg, this is overcomplicated.  The symbol is a package name.  It could
@@ -2302,12 +2641,10 @@ Symbol DescriptorBuilder::FindSymbol(const string& name) {
     // dependency also defines the same package.  We can't really rule out this
     // symbol unless none of the dependencies define it.
     if (IsInPackage(file_, name)) return result;
-    for (int i = 0; i < file_->dependency_count(); i++) {
+    for (set<const FileDescriptor*>::const_iterator it = dependencies_.begin();
+         it != dependencies_.end(); ++it) {
       // Note:  A dependency may be NULL if it was not found or had errors.
-      if (file_->dependency(i) != NULL &&
-          IsInPackage(file_->dependency(i), name)) {
-        return result;
-      }
+      if (*it != NULL && IsInPackage(*it, name)) return result;
     }
   }
 
@@ -2336,7 +2673,7 @@ Symbol DescriptorBuilder::LookupSymbolNoPlaceholder(
   //   }
   // So, we look for just "Foo" first, then look for "Bar.baz" within it if
   // found.
-  int name_dot_pos = name.find_first_of('.');
+  string::size_type name_dot_pos = name.find_first_of('.');
   string first_part_of_name;
   if (name_dot_pos == string::npos) {
     first_part_of_name = name;
@@ -2428,6 +2765,8 @@ Symbol DescriptorBuilder::NewPlaceholder(const string& name,
   FileDescriptor* placeholder_file = tables_->Allocate<FileDescriptor>();
   memset(placeholder_file, 0, sizeof(*placeholder_file));
 
+  placeholder_file->source_code_info_ = &SourceCodeInfo::default_instance();
+
   placeholder_file->name_ =
     tables_->AllocateString(*placeholder_full_name + ".placeholder.proto");
   placeholder_file->package_ = placeholder_package;
@@ -2648,7 +2987,11 @@ template<class DescriptorT> void DescriptorBuilder::AllocateOptionsImpl(
   //       tables_->AllocateMessage<typename DescriptorT::OptionsType>();
   typename DescriptorT::OptionsType* const dummy = NULL;
   typename DescriptorT::OptionsType* options = tables_->AllocateMessage(dummy);
-  options->CopyFrom(orig_options);
+  // Avoid using MergeFrom()/CopyFrom() in this class to make it -fno-rtti
+  // friendly. Without RTTI, MergeFrom() and CopyFrom() will fallback to the
+  // reflection based method, which requires the Descriptor. However, we are in
+  // the middle of building the descriptors, thus the deadlock.
+  options->ParseFromString(orig_options.SerializeAsString());
   descriptor->options_ = options;
 
   // Don't add to options_to_interpret_ unless there were uninterpreted
@@ -2737,11 +3080,19 @@ const FileDescriptor* DescriptorBuilder::BuildFile(
   }
 
   // Checkpoint the tables so that we can roll back if something goes wrong.
-  tables_->Checkpoint();
+  tables_->AddCheckpoint();
 
   FileDescriptor* result = tables_->Allocate<FileDescriptor>();
   file_ = result;
 
+  if (proto.has_source_code_info()) {
+    SourceCodeInfo *info = tables_->AllocateMessage<SourceCodeInfo>();
+    info->CopyFrom(proto.source_code_info());
+    result->source_code_info_ = info;
+  } else {
+    result->source_code_info_ = &SourceCodeInfo::default_instance();
+  }
+
   file_tables_ = tables_->AllocateFileTables();
   file_->tables_ = file_tables_;
 
@@ -2768,7 +3119,7 @@ const FileDescriptor* DescriptorBuilder::BuildFile(
              "A file with this name is already in the pool.");
     // Bail out early so that if this is actually the exact same file, we
     // don't end up reporting that every single symbol is already defined.
-    tables_->Rollback();
+    tables_->RollbackToLastCheckpoint();
     return NULL;
   }
   if (!result->package().empty()) {
@@ -2813,6 +3164,45 @@ const FileDescriptor* DescriptorBuilder::BuildFile(
     result->dependencies_[i] = dependency;
   }
 
+  // Check public dependencies.
+  int public_dependency_count = 0;
+  result->public_dependencies_ = tables_->AllocateArray<int>(
+      proto.public_dependency_size());
+  for (int i = 0; i < proto.public_dependency_size(); i++) {
+    // Only put valid public dependency indexes.
+    int index = proto.public_dependency(i);
+    if (index >= 0 && index < proto.dependency_size()) {
+      result->public_dependencies_[public_dependency_count++] = index;
+    } else {
+      AddError(proto.name(), proto,
+               DescriptorPool::ErrorCollector::OTHER,
+               "Invalid public dependency index.");
+    }
+  }
+  result->public_dependency_count_ = public_dependency_count;
+
+  // Build dependency set
+  dependencies_.clear();
+  for (int i = 0; i < result->dependency_count(); i++) {
+    RecordPublicDependencies(result->dependency(i));
+  }
+
+  // Check weak dependencies.
+  int weak_dependency_count = 0;
+  result->weak_dependencies_ = tables_->AllocateArray<int>(
+      proto.weak_dependency_size());
+  for (int i = 0; i < proto.weak_dependency_size(); i++) {
+    int index = proto.weak_dependency(i);
+    if (index >= 0 && index < proto.dependency_size()) {
+      result->weak_dependencies_[weak_dependency_count++] = index;
+    } else {
+      AddError(proto.name(), proto,
+               DescriptorPool::ErrorCollector::OTHER,
+               "Invalid weak dependency index.");
+    }
+  }
+  result->weak_dependency_count_ = weak_dependency_count;
+
   // Convert children.
   BUILD_ARRAY(proto, result, message_type, BuildMessage  , NULL);
   BUILD_ARRAY(proto, result, enum_type   , BuildEnum     , NULL);
@@ -2850,10 +3240,10 @@ const FileDescriptor* DescriptorBuilder::BuildFile(
   }
 
   if (had_errors_) {
-    tables_->Rollback();
+    tables_->RollbackToLastCheckpoint();
     return NULL;
   } else {
-    tables_->Checkpoint();
+    tables_->ClearLastCheckpoint();
     return result;
   }
 }
@@ -3045,7 +3435,7 @@ void DescriptorBuilder::BuildFieldOrExtension(const FieldDescriptorProto& proto,
               UnescapeCEscapeString(proto.default_value()));
           } else {
             result->default_value_string_ =
-              tables_->AllocateString(proto.default_value());
+                tables_->AllocateString(proto.default_value());
           }
           break;
         case FieldDescriptor::CPPTYPE_MESSAGE:
@@ -3106,7 +3496,15 @@ void DescriptorBuilder::BuildFieldOrExtension(const FieldDescriptorProto& proto,
   if (result->number() <= 0) {
     AddError(result->full_name(), proto, DescriptorPool::ErrorCollector::NUMBER,
              "Field numbers must be positive integers.");
-  } else if (result->number() > FieldDescriptor::kMaxNumber) {
+  } else if (!is_extension && result->number() > FieldDescriptor::kMaxNumber) {
+    // Only validate that the number is within the valid field range if it is
+    // not an extension. Since extension numbers are validated with the
+    // extendee's valid set of extension numbers, and those are in turn
+    // validated against the max allowed number, the check is unnecessary for
+    // extension fields.
+    // This avoids cross-linking issues that arise when attempting to check if
+    // the extendee is a message_set_wire_format message, which has a higher max
+    // on extension numbers.
     AddError(result->full_name(), proto, DescriptorPool::ErrorCollector::NUMBER,
              strings::Substitute("Field numbers cannot be greater than $0.",
                                  FieldDescriptor::kMaxNumber));
@@ -3161,12 +3559,10 @@ void DescriptorBuilder::BuildExtensionRange(
              "Extension numbers must be positive integers.");
   }
 
-  if (result->end > FieldDescriptor::kMaxNumber + 1) {
-    AddError(parent->full_name(), proto,
-             DescriptorPool::ErrorCollector::NUMBER,
-             strings::Substitute("Extension numbers cannot be greater than $0.",
-                                 FieldDescriptor::kMaxNumber));
-  }
+  // Checking of the upper bound of the extension range is deferred until after
+  // options interpreting. This allows messages with message_set_wire_format to
+  // have extensions beyond FieldDescriptor::kMaxNumber, since the extension
+  // numbers are actually used as int32s in the message_set_wire_format.
 
   if (result->start >= result->end) {
     AddError(parent->full_name(), proto,
@@ -3661,6 +4057,20 @@ void DescriptorBuilder::ValidateMessageOptions(Descriptor* message,
   VALIDATE_OPTIONS_FROM_ARRAY(message, nested_type, Message);
   VALIDATE_OPTIONS_FROM_ARRAY(message, enum_type, Enum);
   VALIDATE_OPTIONS_FROM_ARRAY(message, extension, Field);
+
+  const int64 max_extension_range =
+      static_cast<int64>(message->options().message_set_wire_format() ?
+                         kint32max :
+                         FieldDescriptor::kMaxNumber);
+  for (int i = 0; i < message->extension_range_count(); ++i) {
+    if (message->extension_range(i)->end > max_extension_range + 1) {
+      AddError(
+          message->full_name(), proto.extension_range(i),
+          DescriptorPool::ErrorCollector::NUMBER,
+          strings::Substitute("Extension numbers cannot be greater than $0.",
+                              max_extension_range));
+    }
+  }
 }
 
 void DescriptorBuilder::ValidateFieldOptions(FieldDescriptor* field,
@@ -3669,6 +4079,15 @@ void DescriptorBuilder::ValidateFieldOptions(FieldDescriptor* field,
     ValidateMapKey(field, proto);
   }
 
+  // Only message type fields may be lazy.
+  if (field->options().lazy()) {
+    if (field->type() != FieldDescriptor::TYPE_MESSAGE) {
+      AddError(field->full_name(), proto,
+               DescriptorPool::ErrorCollector::TYPE,
+               "[lazy = true] can only be specified for submessage fields.");
+    }
+  }
+
   // Only repeated primitive fields may be packed.
   if (field->options().packed() && !field->is_packable()) {
     AddError(
@@ -3707,11 +4126,37 @@ void DescriptorBuilder::ValidateFieldOptions(FieldDescriptor* field,
              "files.  Note that you cannot extend a non-lite type to contain "
              "a lite type, but the reverse is allowed.");
   }
+
 }
 
 void DescriptorBuilder::ValidateEnumOptions(EnumDescriptor* enm,
                                             const EnumDescriptorProto& proto) {
   VALIDATE_OPTIONS_FROM_ARRAY(enm, value, EnumValue);
+  if (!enm->options().has_allow_alias() || !enm->options().allow_alias()) {
+    map<int, string> used_values;
+    for (int i = 0; i < enm->value_count(); ++i) {
+      const EnumValueDescriptor* enum_value = enm->value(i);
+      if (used_values.find(enum_value->number()) != used_values.end()) {
+        string error =
+            "\"" + enum_value->full_name() +
+            "\" uses the same enum value as \"" +
+            used_values[enum_value->number()] + "\". If this is intended, set "
+            "'option allow_alias = true;' to the enum definition.";
+        if (!enm->options().allow_alias()) {
+          // Generate error if duplicated enum values are explicitly disallowed.
+          AddError(enm->full_name(), proto,
+                   DescriptorPool::ErrorCollector::NUMBER,
+                   error);
+        } else {
+          // Generate warning if duplicated values are found but the option
+          // isn't set.
+          GOOGLE_LOG(ERROR) << error;
+        }
+      } else {
+        used_values[enum_value->number()] = enum_value->full_name();
+      }
+    }
+  }
 }
 
 void DescriptorBuilder::ValidateEnumValueOptions(
@@ -3720,10 +4165,14 @@ void DescriptorBuilder::ValidateEnumValueOptions(
 }
 void DescriptorBuilder::ValidateServiceOptions(ServiceDescriptor* service,
     const ServiceDescriptorProto& proto) {
-  if (IsLite(service->file())) {
+  if (IsLite(service->file()) &&
+      (service->file()->options().cc_generic_services() ||
+       service->file()->options().java_generic_services())) {
     AddError(service->full_name(), proto,
              DescriptorPool::ErrorCollector::NAME,
-             "Files with optimize_for = LITE_RUNTIME cannot define services.");
+             "Files with optimize_for = LITE_RUNTIME cannot define services "
+             "unless you set both options cc_generic_services and "
+             "java_generic_sevices to false.");
   }
 
   VALIDATE_OPTIONS_FROM_ARRAY(service, method, Method);
@@ -3787,6 +4236,7 @@ void DescriptorBuilder::ValidateMapKey(FieldDescriptor* field,
   field->experimental_map_key_ = key_field;
 }
 
+
 #undef VALIDATE_OPTIONS_FROM_ARRAY
 
 // -------------------------------------------------------------------
@@ -3877,9 +4327,11 @@ bool DescriptorBuilder::OptionInterpreter::InterpretSingleOption(
   // file we're currently building. The descriptor should be there as long as
   // the file we're building imported "google/protobuf/descriptors.proto".
 
-  // Note that we use DescriptorBuilder::FindSymbol(), not
+  // Note that we use DescriptorBuilder::FindSymbolNotEnforcingDeps(), not
   // DescriptorPool::FindMessageTypeByName() because we're already holding the
-  // pool's mutex, and the latter method locks it again.
+  // pool's mutex, and the latter method locks it again.  We don't use
+  // FindSymbol() because files that use custom options only need to depend on
+  // the file that defines the option, not descriptor.proto itself.
   Symbol symbol = builder_->FindSymbolNotEnforcingDeps(
     options->GetDescriptor()->full_name());
   if (!symbol.IsNull() && symbol.type == Symbol::MESSAGE) {
@@ -3915,8 +4367,8 @@ bool DescriptorBuilder::OptionInterpreter::InterpretSingleOption(
       // DescriptorPool::FindExtensionByName(), for two reasons: 1) It allows
       // relative lookups, and 2) because we're already holding the pool's
       // mutex, and the latter method locks it again.
-      Symbol symbol = builder_->LookupSymbol(name_part,
-                                             options_to_interpret_->name_scope);
+      symbol = builder_->LookupSymbol(name_part,
+                                      options_to_interpret_->name_scope);
       if (!symbol.IsNull() && symbol.type == Symbol::FIELD) {
         field = symbol.field_descriptor;
       }
@@ -3969,9 +4421,6 @@ bool DescriptorBuilder::OptionInterpreter::InterpretSingleOption(
         intermediate_fields.push_back(field);
         descriptor = field->message_type();
       }
-    } else if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) {
-      return AddNameError("Option field \"" + debug_msg_name +
-                          "\" cannot be of message type.");
     }
   }
 
@@ -4306,18 +4755,117 @@ bool DescriptorBuilder::OptionInterpreter::SetOptionValue(
       break;
 
     case FieldDescriptor::CPPTYPE_MESSAGE:
-      // We don't currently support defining a message-typed option, so we
-      // should never actually get here.
-      return AddValueError("Option \"" + option_field->full_name() +
-                           "\" is a message.  To set fields within it, use "
-                           "syntax like \"" + option_field->name() +
-                           ".foo = value\".");
+      if (!SetAggregateOption(option_field, unknown_fields)) {
+        return false;
+      }
       break;
   }
 
   return true;
 }
 
+class DescriptorBuilder::OptionInterpreter::AggregateOptionFinder
+    : public TextFormat::Finder {
+ public:
+  DescriptorBuilder* builder_;
+
+  virtual const FieldDescriptor* FindExtension(
+      Message* message, const string& name) const {
+    assert_mutex_held(builder_->pool_);
+    const Descriptor* descriptor = message->GetDescriptor();
+    Symbol result = builder_->LookupSymbolNoPlaceholder(
+        name, descriptor->full_name());
+    if (result.type == Symbol::FIELD &&
+        result.field_descriptor->is_extension()) {
+      return result.field_descriptor;
+    } else if (result.type == Symbol::MESSAGE &&
+               descriptor->options().message_set_wire_format()) {
+      const Descriptor* foreign_type = result.descriptor;
+      // The text format allows MessageSet items to be specified using
+      // the type name, rather than the extension identifier. If the symbol
+      // lookup returned a Message, and the enclosing Message has
+      // message_set_wire_format = true, then return the message set
+      // extension, if one exists.
+      for (int i = 0; i < foreign_type->extension_count(); i++) {
+        const FieldDescriptor* extension = foreign_type->extension(i);
+        if (extension->containing_type() == descriptor &&
+            extension->type() == FieldDescriptor::TYPE_MESSAGE &&
+            extension->is_optional() &&
+            extension->message_type() == foreign_type) {
+          // Found it.
+          return extension;
+        }
+      }
+    }
+    return NULL;
+  }
+};
+
+// A custom error collector to record any text-format parsing errors
+namespace {
+class AggregateErrorCollector : public io::ErrorCollector {
+ public:
+  string error_;
+
+  virtual void AddError(int line, int column, const string& message) {
+    if (!error_.empty()) {
+      error_ += "; ";
+    }
+    error_ += message;
+  }
+
+  virtual void AddWarning(int line, int column, const string& message) {
+    // Ignore warnings
+  }
+};
+}
+
+// We construct a dynamic message of the type corresponding to
+// option_field, parse the supplied text-format string into this
+// message, and serialize the resulting message to produce the value.
+bool DescriptorBuilder::OptionInterpreter::SetAggregateOption(
+    const FieldDescriptor* option_field,
+    UnknownFieldSet* unknown_fields) {
+  if (!uninterpreted_option_->has_aggregate_value()) {
+    return AddValueError("Option \"" + option_field->full_name() +
+                         "\" is a message. To set the entire message, use "
+                         "syntax like \"" + option_field->name() +
+                         " = { <proto text format> }\". "
+                         "To set fields within it, use "
+                         "syntax like \"" + option_field->name() +
+                         ".foo = value\".");
+  }
+
+  const Descriptor* type = option_field->message_type();
+  scoped_ptr<Message> dynamic(dynamic_factory_.GetPrototype(type)->New());
+  GOOGLE_CHECK(dynamic.get() != NULL)
+      << "Could not create an instance of " << option_field->DebugString();
+
+  AggregateErrorCollector collector;
+  AggregateOptionFinder finder;
+  finder.builder_ = builder_;
+  TextFormat::Parser parser;
+  parser.RecordErrorsTo(&collector);
+  parser.SetFinder(&finder);
+  if (!parser.ParseFromString(uninterpreted_option_->aggregate_value(),
+                              dynamic.get())) {
+    AddValueError("Error while parsing option value for \"" +
+                  option_field->name() + "\": " + collector.error_);
+    return false;
+  } else {
+    string serial;
+    dynamic->SerializeToString(&serial);  // Never fails
+    if (option_field->type() == FieldDescriptor::TYPE_MESSAGE) {
+      unknown_fields->AddLengthDelimited(option_field->number(), serial);
+    } else {
+      GOOGLE_CHECK_EQ(option_field->type(),  FieldDescriptor::TYPE_GROUP);
+      UnknownFieldSet* group = unknown_fields->AddGroup(option_field->number());
+      group->ParseFromString(serial);
+    }
+    return true;
+  }
+}
+
 void DescriptorBuilder::OptionInterpreter::SetInt32(int number, int32 value,
     FieldDescriptor::Type type, UnknownFieldSet* unknown_fields) {
   switch (type) {
diff --git a/common/protobuf-2.3.0/src/google/protobuf/descriptor.h b/common/protobuf-2.5.0/src/google/protobuf/descriptor.h
similarity index 89%
rename from common/protobuf-2.3.0/src/google/protobuf/descriptor.h
rename to common/protobuf-2.5.0/src/google/protobuf/descriptor.h
index 7f87dd80..33e3af72 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/descriptor.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/descriptor.h
@@ -58,6 +58,10 @@
 #include <vector>
 #include <google/protobuf/stubs/common.h>
 
+// TYPE_BOOL is defined in the MacOS's ConditionalMacros.h.
+#ifdef TYPE_BOOL
+#undef TYPE_BOOL
+#endif  // TYPE_BOOL
 
 namespace google {
 namespace protobuf {
@@ -89,6 +93,7 @@ class ServiceOptions;
 class MethodOptions;
 class FileOptions;
 class UninterpretedOption;
+class SourceCodeInfo;
 
 // Defined in message.h
 class Message;
@@ -100,6 +105,20 @@ class FileDescriptorTables;
 // Defined in unknown_field_set.h.
 class UnknownField;
 
+// NB, all indices are zero-based.
+struct SourceLocation {
+  int start_line;
+  int end_line;
+  int start_column;
+  int end_column;
+
+  // Doc comments found at the source location.
+  // TODO(kenton):  Maybe this struct should have been named SourceInfo or
+  //   something instead.  Oh well.
+  string leading_comments;
+  string trailing_comments;
+};
+
 // Describes a type of protocol message, or a particular group within a
 // message.  To obtain the Descriptor for a given message object, call
 // Message::GetDescriptor().  Generated message classes also have a
@@ -236,6 +255,13 @@ class LIBPROTOBUF_EXPORT Descriptor {
   // this message type's scope.
   const FieldDescriptor* FindExtensionByCamelcaseName(const string& name) const;
 
+  // Source Location ---------------------------------------------------
+
+  // Updates |*out_location| to the source location of the complete
+  // extent of this message declaration.  Returns false and leaves
+  // |*out_location| unchanged iff location information was not available.
+  bool GetSourceLocation(SourceLocation* out_location) const;
+
  private:
   typedef MessageOptions OptionsType;
 
@@ -243,6 +269,10 @@ class LIBPROTOBUF_EXPORT Descriptor {
   // correct depth
   void DebugString(int depth, string *contents) const;
 
+  // Walks up the descriptor tree to generate the source location path
+  // to this descriptor from the file root.
+  void GetLocationPath(vector<int>* output) const;
+
   const string* name_;
   const string* full_name_;
   const FileDescriptor* file_;
@@ -388,15 +418,19 @@ class LIBPROTOBUF_EXPORT FieldDescriptor {
   // when parsing formats which prefer to use camel-case naming style.
   const string& camelcase_name() const;
 
-  Type type() const;                 // Declared type of this field.
-  CppType cpp_type() const;          // C++ type of this field.
-  Label label() const;               // optional/required/repeated
+  Type type() const;                  // Declared type of this field.
+  const char* type_name() const;      // Name of the declared type.
+  CppType cpp_type() const;           // C++ type of this field.
+  const char* cpp_type_name() const;  // Name of the C++ type.
+  Label label() const;                // optional/required/repeated
 
   bool is_required() const;      // shorthand for label() == LABEL_REQUIRED
   bool is_optional() const;      // shorthand for label() == LABEL_OPTIONAL
   bool is_repeated() const;      // shorthand for label() == LABEL_REPEATED
   bool is_packable() const;      // shorthand for is_repeated() &&
                                  //               IsTypePackable(type())
+  bool is_packed() const;        // shorthand for is_packable() &&
+                                 //               options().packed()
 
   // Index of this field within the message's field array, or the file or
   // extension scope's extensions array.
@@ -479,6 +513,13 @@ class LIBPROTOBUF_EXPORT FieldDescriptor {
   // Return true iff [packed = true] is valid for fields of this type.
   static inline bool IsTypePackable(Type field_type);
 
+  // Source Location ---------------------------------------------------
+
+  // Updates |*out_location| to the source location of the complete
+  // extent of this field declaration.  Returns false and leaves
+  // |*out_location| unchanged iff location information was not available.
+  bool GetSourceLocation(SourceLocation* out_location) const;
+
  private:
   typedef FieldOptions OptionsType;
 
@@ -490,6 +531,10 @@ class LIBPROTOBUF_EXPORT FieldDescriptor {
   // types of CPPTYPE_STRING whill be surrounded by quotes and CEscaped.
   string DefaultValueAsString(bool quote_string_type) const;
 
+  // Walks up the descriptor tree to generate the source location path
+  // to this descriptor from the file root.
+  void GetLocationPath(vector<int>* output) const;
+
   const string* name_;
   const string* full_name_;
   const string* lowercase_name_;
@@ -527,6 +572,8 @@ class LIBPROTOBUF_EXPORT FieldDescriptor {
 
   static const char * const kTypeToName[MAX_TYPE + 1];
 
+  static const char * const kCppTypeToName[MAX_CPPTYPE + 1];
+
   static const char * const kLabelToName[MAX_LABEL + 1];
 
   // Must be constructed using DescriptorPool.
@@ -583,12 +630,23 @@ class LIBPROTOBUF_EXPORT EnumDescriptor {
   // See Descriptor::DebugString().
   string DebugString() const;
 
+  // Source Location ---------------------------------------------------
+
+  // Updates |*out_location| to the source location of the complete
+  // extent of this enum declaration.  Returns false and leaves
+  // |*out_location| unchanged iff location information was not available.
+  bool GetSourceLocation(SourceLocation* out_location) const;
+
  private:
   typedef EnumOptions OptionsType;
 
   // See Descriptor::DebugString().
   void DebugString(int depth, string *contents) const;
 
+  // Walks up the descriptor tree to generate the source location path
+  // to this descriptor from the file root.
+  void GetLocationPath(vector<int>* output) const;
+
   const string* name_;
   const string* full_name_;
   const FileDescriptor* file_;
@@ -650,12 +708,23 @@ class LIBPROTOBUF_EXPORT EnumValueDescriptor {
   // See Descriptor::DebugString().
   string DebugString() const;
 
+  // Source Location ---------------------------------------------------
+
+  // Updates |*out_location| to the source location of the complete
+  // extent of this enum value declaration.  Returns false and leaves
+  // |*out_location| unchanged iff location information was not available.
+  bool GetSourceLocation(SourceLocation* out_location) const;
+
  private:
   typedef EnumValueOptions OptionsType;
 
   // See Descriptor::DebugString().
   void DebugString(int depth, string *contents) const;
 
+  // Walks up the descriptor tree to generate the source location path
+  // to this descriptor from the file root.
+  void GetLocationPath(vector<int>* output) const;
+
   const string* name_;
   const string* full_name_;
   int number_;
@@ -703,19 +772,29 @@ class LIBPROTOBUF_EXPORT ServiceDescriptor {
 
   // Look up a MethodDescriptor by name.
   const MethodDescriptor* FindMethodByName(const string& name) const;
-
   // See Descriptor::CopyTo().
   void CopyTo(ServiceDescriptorProto* proto) const;
 
   // See Descriptor::DebugString().
   string DebugString() const;
 
+  // Source Location ---------------------------------------------------
+
+  // Updates |*out_location| to the source location of the complete
+  // extent of this service declaration.  Returns false and leaves
+  // |*out_location| unchanged iff location information was not available.
+  bool GetSourceLocation(SourceLocation* out_location) const;
+
  private:
   typedef ServiceOptions OptionsType;
 
   // See Descriptor::DebugString().
   void DebugString(string *contents) const;
 
+  // Walks up the descriptor tree to generate the source location path
+  // to this descriptor from the file root.
+  void GetLocationPath(vector<int>* output) const;
+
   const string* name_;
   const string* full_name_;
   const FileDescriptor* file_;
@@ -768,12 +847,23 @@ class LIBPROTOBUF_EXPORT MethodDescriptor {
   // See Descriptor::DebugString().
   string DebugString() const;
 
+  // Source Location ---------------------------------------------------
+
+  // Updates |*out_location| to the source location of the complete
+  // extent of this method declaration.  Returns false and leaves
+  // |*out_location| unchanged iff location information was not available.
+  bool GetSourceLocation(SourceLocation* out_location) const;
+
  private:
   typedef MethodOptions OptionsType;
 
   // See Descriptor::DebugString().
   void DebugString(int depth, string *contents) const;
 
+  // Walks up the descriptor tree to generate the source location path
+  // to this descriptor from the file root.
+  void GetLocationPath(vector<int>* output) const;
+
   const string* name_;
   const string* full_name_;
   const ServiceDescriptor* service_;
@@ -791,6 +881,7 @@ class LIBPROTOBUF_EXPORT MethodDescriptor {
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(MethodDescriptor);
 };
 
+
 // Describes a whole .proto file.  To get the FileDescriptor for a compiled-in
 // file, get the descriptor for something defined in that file and call
 // descriptor->file().  Use DescriptorPool to construct your own descriptors.
@@ -813,6 +904,22 @@ class LIBPROTOBUF_EXPORT FileDescriptor {
   // These are returned in the order they were defined in the .proto file.
   const FileDescriptor* dependency(int index) const;
 
+  // The number of files public imported by this one.
+  // The public dependency list is a subset of the dependency list.
+  int public_dependency_count() const;
+  // Gets a public imported file by index, where 0 <= index <
+  // public_dependency_count().
+  // These are returned in the order they were defined in the .proto file.
+  const FileDescriptor* public_dependency(int index) const;
+
+  // The number of files that are imported for weak fields.
+  // The weak dependency list is a subset of the dependency list.
+  int weak_dependency_count() const;
+  // Gets a weak imported file by index, where 0 <= index <
+  // weak_dependency_count().
+  // These are returned in the order they were defined in the .proto file.
+  const FileDescriptor* weak_dependency(int index) const;
+
   // Number of top-level message types defined in this file.  (This does not
   // include nested types.)
   int message_type_count() const;
@@ -866,12 +973,28 @@ class LIBPROTOBUF_EXPORT FileDescriptor {
   const FieldDescriptor* FindExtensionByCamelcaseName(const string& name) const;
 
   // See Descriptor::CopyTo().
+  // Notes:
+  // - This method does NOT copy source code information since it is relatively
+  //   large and rarely needed.  See CopySourceCodeInfoTo() below.
   void CopyTo(FileDescriptorProto* proto) const;
+  // Write the source code information of this FileDescriptor into the given
+  // FileDescriptorProto.  See CopyTo() above.
+  void CopySourceCodeInfoTo(FileDescriptorProto* proto) const;
 
   // See Descriptor::DebugString().
   string DebugString() const;
 
  private:
+  // Source Location ---------------------------------------------------
+
+  // Updates |*out_location| to the source location of the complete
+  // extent of the declaration or declaration-part denoted by |path|.
+  // Returns false and leaves |*out_location| unchanged iff location
+  // information was not available.  (See SourceCodeInfo for
+  // description of path encoding.)
+  bool GetSourceLocation(const vector<int>& path,
+                         SourceLocation* out_location) const;
+
   typedef FileOptions OptionsType;
 
   const string* name_;
@@ -879,6 +1002,10 @@ class LIBPROTOBUF_EXPORT FileDescriptor {
   const DescriptorPool* pool_;
   int dependency_count_;
   const FileDescriptor** dependencies_;
+  int public_dependency_count_;
+  int* public_dependencies_;
+  int weak_dependency_count_;
+  int* weak_dependencies_;
   int message_type_count_;
   Descriptor* message_types_;
   int enum_type_count_;
@@ -890,6 +1017,7 @@ class LIBPROTOBUF_EXPORT FileDescriptor {
   const FileOptions* options_;
 
   const FileDescriptorTables* tables_;
+  const SourceCodeInfo* source_code_info_;
   // IMPORTANT:  If you add a new field, make sure to search for all instances
   // of Allocate<FileDescriptor>() and AllocateArray<FileDescriptor>() in
   // descriptor.cc and update them to initialize the field.
@@ -899,6 +1027,8 @@ class LIBPROTOBUF_EXPORT FileDescriptor {
   friend class Descriptor;
   friend class FieldDescriptor;
   friend class EnumDescriptor;
+  friend class EnumValueDescriptor;
+  friend class MethodDescriptor;
   friend class ServiceDescriptor;
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FileDescriptor);
 };
@@ -1106,7 +1236,7 @@ class LIBPROTOBUF_EXPORT DescriptorPool {
   // For internal use only:  Gets a non-const pointer to the generated pool.
   // This is called at static-initialization time only, so thread-safety is
   // not a concern.  If both an underlay and a fallback database are present,
-  // the fallback database takes precedence.
+  // the underlay takes precedence.
   static DescriptorPool* internal_generated_pool();
 
   // For internal use only:  Changes the behavior of BuildFile() such that it
@@ -1132,6 +1262,11 @@ class LIBPROTOBUF_EXPORT DescriptorPool {
   friend class FileDescriptor;
   friend class DescriptorBuilder;
 
+  // Return true if the given name is a sub-symbol of any non-package
+  // descriptor that already exists in the descriptor pool.  (The full
+  // definition of such types is already known.)
+  bool IsSubSymbolOfBuiltType(const string& name) const;
+
   // Tries to find something in the fallback database and link in the
   // corresponding proto file.  Returns true if successful, in which case
   // the caller should search for the thing again.  These are declared
@@ -1203,7 +1338,7 @@ PROTOBUF_DEFINE_ARRAY_ACCESSOR(Descriptor, extension_range,
                                const Descriptor::ExtensionRange*)
 PROTOBUF_DEFINE_ARRAY_ACCESSOR(Descriptor, extension,
                                const FieldDescriptor*)
-PROTOBUF_DEFINE_OPTIONS_ACCESSOR(Descriptor, MessageOptions);
+PROTOBUF_DEFINE_OPTIONS_ACCESSOR(Descriptor, MessageOptions)
 
 PROTOBUF_DEFINE_STRING_ACCESSOR(FieldDescriptor, name)
 PROTOBUF_DEFINE_STRING_ACCESSOR(FieldDescriptor, full_name)
@@ -1220,7 +1355,7 @@ PROTOBUF_DEFINE_ACCESSOR(FieldDescriptor, message_type, const Descriptor*)
 PROTOBUF_DEFINE_ACCESSOR(FieldDescriptor, enum_type, const EnumDescriptor*)
 PROTOBUF_DEFINE_ACCESSOR(FieldDescriptor, experimental_map_key,
                          const FieldDescriptor*)
-PROTOBUF_DEFINE_OPTIONS_ACCESSOR(FieldDescriptor, FieldOptions);
+PROTOBUF_DEFINE_OPTIONS_ACCESSOR(FieldDescriptor, FieldOptions)
 PROTOBUF_DEFINE_ACCESSOR(FieldDescriptor, has_default_value, bool)
 PROTOBUF_DEFINE_ACCESSOR(FieldDescriptor, default_value_int32 , int32 )
 PROTOBUF_DEFINE_ACCESSOR(FieldDescriptor, default_value_int64 , int64 )
@@ -1240,13 +1375,13 @@ PROTOBUF_DEFINE_ACCESSOR(EnumDescriptor, containing_type, const Descriptor*)
 PROTOBUF_DEFINE_ACCESSOR(EnumDescriptor, value_count, int)
 PROTOBUF_DEFINE_ARRAY_ACCESSOR(EnumDescriptor, value,
                                const EnumValueDescriptor*)
-PROTOBUF_DEFINE_OPTIONS_ACCESSOR(EnumDescriptor, EnumOptions);
+PROTOBUF_DEFINE_OPTIONS_ACCESSOR(EnumDescriptor, EnumOptions)
 
 PROTOBUF_DEFINE_STRING_ACCESSOR(EnumValueDescriptor, name)
 PROTOBUF_DEFINE_STRING_ACCESSOR(EnumValueDescriptor, full_name)
 PROTOBUF_DEFINE_ACCESSOR(EnumValueDescriptor, number, int)
 PROTOBUF_DEFINE_ACCESSOR(EnumValueDescriptor, type, const EnumDescriptor*)
-PROTOBUF_DEFINE_OPTIONS_ACCESSOR(EnumValueDescriptor, EnumValueOptions);
+PROTOBUF_DEFINE_OPTIONS_ACCESSOR(EnumValueDescriptor, EnumValueOptions)
 
 PROTOBUF_DEFINE_STRING_ACCESSOR(ServiceDescriptor, name)
 PROTOBUF_DEFINE_STRING_ACCESSOR(ServiceDescriptor, full_name)
@@ -1254,24 +1389,25 @@ PROTOBUF_DEFINE_ACCESSOR(ServiceDescriptor, file, const FileDescriptor*)
 PROTOBUF_DEFINE_ACCESSOR(ServiceDescriptor, method_count, int)
 PROTOBUF_DEFINE_ARRAY_ACCESSOR(ServiceDescriptor, method,
                                const MethodDescriptor*)
-PROTOBUF_DEFINE_OPTIONS_ACCESSOR(ServiceDescriptor, ServiceOptions);
+PROTOBUF_DEFINE_OPTIONS_ACCESSOR(ServiceDescriptor, ServiceOptions)
 
 PROTOBUF_DEFINE_STRING_ACCESSOR(MethodDescriptor, name)
 PROTOBUF_DEFINE_STRING_ACCESSOR(MethodDescriptor, full_name)
 PROTOBUF_DEFINE_ACCESSOR(MethodDescriptor, service, const ServiceDescriptor*)
 PROTOBUF_DEFINE_ACCESSOR(MethodDescriptor, input_type, const Descriptor*)
 PROTOBUF_DEFINE_ACCESSOR(MethodDescriptor, output_type, const Descriptor*)
-PROTOBUF_DEFINE_OPTIONS_ACCESSOR(MethodDescriptor, MethodOptions);
-
+PROTOBUF_DEFINE_OPTIONS_ACCESSOR(MethodDescriptor, MethodOptions)
 PROTOBUF_DEFINE_STRING_ACCESSOR(FileDescriptor, name)
 PROTOBUF_DEFINE_STRING_ACCESSOR(FileDescriptor, package)
 PROTOBUF_DEFINE_ACCESSOR(FileDescriptor, pool, const DescriptorPool*)
 PROTOBUF_DEFINE_ACCESSOR(FileDescriptor, dependency_count, int)
+PROTOBUF_DEFINE_ACCESSOR(FileDescriptor, public_dependency_count, int)
+PROTOBUF_DEFINE_ACCESSOR(FileDescriptor, weak_dependency_count, int)
 PROTOBUF_DEFINE_ACCESSOR(FileDescriptor, message_type_count, int)
 PROTOBUF_DEFINE_ACCESSOR(FileDescriptor, enum_type_count, int)
 PROTOBUF_DEFINE_ACCESSOR(FileDescriptor, service_count, int)
 PROTOBUF_DEFINE_ACCESSOR(FileDescriptor, extension_count, int)
-PROTOBUF_DEFINE_OPTIONS_ACCESSOR(FileDescriptor, FileOptions);
+PROTOBUF_DEFINE_OPTIONS_ACCESSOR(FileDescriptor, FileOptions)
 
 PROTOBUF_DEFINE_ARRAY_ACCESSOR(FileDescriptor, message_type, const Descriptor*)
 PROTOBUF_DEFINE_ARRAY_ACCESSOR(FileDescriptor, enum_type, const EnumDescriptor*)
@@ -1342,10 +1478,18 @@ inline int MethodDescriptor::index() const {
   return this - service_->methods_;
 }
 
+inline const char* FieldDescriptor::type_name() const {
+  return kTypeToName[type_];
+}
+
 inline FieldDescriptor::CppType FieldDescriptor::cpp_type() const {
   return kTypeToCppTypeMap[type_];
 }
 
+inline const char* FieldDescriptor::cpp_type_name() const {
+  return kCppTypeToName[kTypeToCppTypeMap[type_]];
+}
+
 inline FieldDescriptor::CppType FieldDescriptor::TypeToCppType(Type type) {
   return kTypeToCppTypeMap[type];
 }
@@ -1361,6 +1505,16 @@ inline const FileDescriptor* FileDescriptor::dependency(int index) const {
   return dependencies_[index];
 }
 
+inline const FileDescriptor* FileDescriptor::public_dependency(
+    int index) const {
+  return dependencies_[public_dependencies_[index]];
+}
+
+inline const FileDescriptor* FileDescriptor::weak_dependency(
+    int index) const {
+  return dependencies_[weak_dependencies_[index]];
+}
+
 }  // namespace protobuf
 
 }  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/descriptor.pb.cc b/common/protobuf-2.5.0/src/google/protobuf/descriptor.pb.cc
similarity index 79%
rename from common/protobuf-2.3.0/src/google/protobuf/descriptor.pb.cc
rename to common/protobuf-2.5.0/src/google/protobuf/descriptor.pb.cc
index f61e7cd0..65379f4d 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/descriptor.pb.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/descriptor.pb.cc
@@ -1,11 +1,17 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/protobuf/descriptor.proto
 
 #define INTERNAL_SUPPRESS_PROTOBUF_FIELD_DEPRECATION
 #include "google/protobuf/descriptor.pb.h"
+
+#include <algorithm>
+
+#include <google/protobuf/stubs/common.h>
 #include <google/protobuf/stubs/once.h>
 #include <google/protobuf/io/coded_stream.h>
 #include <google/protobuf/wire_format_lite_inl.h>
 #include <google/protobuf/descriptor.h>
+#include <google/protobuf/generated_message_reflection.h>
 #include <google/protobuf/reflection_ops.h>
 #include <google/protobuf/wire_format.h>
 // @@protoc_insertion_point(includes)
@@ -73,6 +79,12 @@ const ::google::protobuf::internal::GeneratedMessageReflection*
 const ::google::protobuf::Descriptor* UninterpretedOption_NamePart_descriptor_ = NULL;
 const ::google::protobuf::internal::GeneratedMessageReflection*
   UninterpretedOption_NamePart_reflection_ = NULL;
+const ::google::protobuf::Descriptor* SourceCodeInfo_descriptor_ = NULL;
+const ::google::protobuf::internal::GeneratedMessageReflection*
+  SourceCodeInfo_reflection_ = NULL;
+const ::google::protobuf::Descriptor* SourceCodeInfo_Location_descriptor_ = NULL;
+const ::google::protobuf::internal::GeneratedMessageReflection*
+  SourceCodeInfo_Location_reflection_ = NULL;
 
 }  // namespace
 
@@ -99,15 +111,18 @@ void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto() {
       ::google::protobuf::MessageFactory::generated_factory(),
       sizeof(FileDescriptorSet));
   FileDescriptorProto_descriptor_ = file->message_type(1);
-  static const int FileDescriptorProto_offsets_[8] = {
+  static const int FileDescriptorProto_offsets_[11] = {
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileDescriptorProto, name_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileDescriptorProto, package_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileDescriptorProto, dependency_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileDescriptorProto, public_dependency_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileDescriptorProto, weak_dependency_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileDescriptorProto, message_type_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileDescriptorProto, enum_type_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileDescriptorProto, service_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileDescriptorProto, extension_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileDescriptorProto, options_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileDescriptorProto, source_code_info_),
   };
   FileDescriptorProto_reflection_ =
     new ::google::protobuf::internal::GeneratedMessageReflection(
@@ -251,11 +266,13 @@ void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto() {
       ::google::protobuf::MessageFactory::generated_factory(),
       sizeof(MethodDescriptorProto));
   FileOptions_descriptor_ = file->message_type(8);
-  static const int FileOptions_offsets_[8] = {
+  static const int FileOptions_offsets_[10] = {
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileOptions, java_package_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileOptions, java_outer_classname_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileOptions, java_multiple_files_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileOptions, java_generate_equals_and_hash_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileOptions, optimize_for_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileOptions, go_package_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileOptions, cc_generic_services_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileOptions, java_generic_services_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileOptions, py_generic_services_),
@@ -291,11 +308,13 @@ void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto() {
       ::google::protobuf::MessageFactory::generated_factory(),
       sizeof(MessageOptions));
   FieldOptions_descriptor_ = file->message_type(10);
-  static const int FieldOptions_offsets_[5] = {
+  static const int FieldOptions_offsets_[7] = {
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FieldOptions, ctype_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FieldOptions, packed_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FieldOptions, lazy_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FieldOptions, deprecated_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FieldOptions, experimental_map_key_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FieldOptions, weak_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FieldOptions, uninterpreted_option_),
   };
   FieldOptions_reflection_ =
@@ -311,7 +330,8 @@ void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto() {
       sizeof(FieldOptions));
   FieldOptions_CType_descriptor_ = FieldOptions_descriptor_->enum_type(0);
   EnumOptions_descriptor_ = file->message_type(11);
-  static const int EnumOptions_offsets_[1] = {
+  static const int EnumOptions_offsets_[2] = {
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(EnumOptions, allow_alias_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(EnumOptions, uninterpreted_option_),
   };
   EnumOptions_reflection_ =
@@ -371,13 +391,14 @@ void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto() {
       ::google::protobuf::MessageFactory::generated_factory(),
       sizeof(MethodOptions));
   UninterpretedOption_descriptor_ = file->message_type(15);
-  static const int UninterpretedOption_offsets_[6] = {
+  static const int UninterpretedOption_offsets_[7] = {
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(UninterpretedOption, name_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(UninterpretedOption, identifier_value_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(UninterpretedOption, positive_int_value_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(UninterpretedOption, negative_int_value_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(UninterpretedOption, double_value_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(UninterpretedOption, string_value_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(UninterpretedOption, aggregate_value_),
   };
   UninterpretedOption_reflection_ =
     new ::google::protobuf::internal::GeneratedMessageReflection(
@@ -406,6 +427,39 @@ void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto() {
       ::google::protobuf::DescriptorPool::generated_pool(),
       ::google::protobuf::MessageFactory::generated_factory(),
       sizeof(UninterpretedOption_NamePart));
+  SourceCodeInfo_descriptor_ = file->message_type(16);
+  static const int SourceCodeInfo_offsets_[1] = {
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(SourceCodeInfo, location_),
+  };
+  SourceCodeInfo_reflection_ =
+    new ::google::protobuf::internal::GeneratedMessageReflection(
+      SourceCodeInfo_descriptor_,
+      SourceCodeInfo::default_instance_,
+      SourceCodeInfo_offsets_,
+      GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(SourceCodeInfo, _has_bits_[0]),
+      GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(SourceCodeInfo, _unknown_fields_),
+      -1,
+      ::google::protobuf::DescriptorPool::generated_pool(),
+      ::google::protobuf::MessageFactory::generated_factory(),
+      sizeof(SourceCodeInfo));
+  SourceCodeInfo_Location_descriptor_ = SourceCodeInfo_descriptor_->nested_type(0);
+  static const int SourceCodeInfo_Location_offsets_[4] = {
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(SourceCodeInfo_Location, path_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(SourceCodeInfo_Location, span_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(SourceCodeInfo_Location, leading_comments_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(SourceCodeInfo_Location, trailing_comments_),
+  };
+  SourceCodeInfo_Location_reflection_ =
+    new ::google::protobuf::internal::GeneratedMessageReflection(
+      SourceCodeInfo_Location_descriptor_,
+      SourceCodeInfo_Location::default_instance_,
+      SourceCodeInfo_Location_offsets_,
+      GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(SourceCodeInfo_Location, _has_bits_[0]),
+      GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(SourceCodeInfo_Location, _unknown_fields_),
+      -1,
+      ::google::protobuf::DescriptorPool::generated_pool(),
+      ::google::protobuf::MessageFactory::generated_factory(),
+      sizeof(SourceCodeInfo_Location));
 }
 
 namespace {
@@ -454,6 +508,10 @@ void protobuf_RegisterTypes(const ::std::string&) {
     UninterpretedOption_descriptor_, &UninterpretedOption::default_instance());
   ::google::protobuf::MessageFactory::InternalRegisterGeneratedMessage(
     UninterpretedOption_NamePart_descriptor_, &UninterpretedOption_NamePart::default_instance());
+  ::google::protobuf::MessageFactory::InternalRegisterGeneratedMessage(
+    SourceCodeInfo_descriptor_, &SourceCodeInfo::default_instance());
+  ::google::protobuf::MessageFactory::InternalRegisterGeneratedMessage(
+    SourceCodeInfo_Location_descriptor_, &SourceCodeInfo_Location::default_instance());
 }
 
 }  // namespace
@@ -495,6 +553,10 @@ void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto() {
   delete UninterpretedOption_reflection_;
   delete UninterpretedOption_NamePart::default_instance_;
   delete UninterpretedOption_NamePart_reflection_;
+  delete SourceCodeInfo::default_instance_;
+  delete SourceCodeInfo_reflection_;
+  delete SourceCodeInfo_Location::default_instance_;
+  delete SourceCodeInfo_Location_reflection_;
 }
 
 void protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto() {
@@ -507,96 +569,107 @@ void protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto() {
     "\n google/protobuf/descriptor.proto\022\017goog"
     "le.protobuf\"G\n\021FileDescriptorSet\0222\n\004file"
     "\030\001 \003(\0132$.google.protobuf.FileDescriptorP"
-    "roto\"\334\002\n\023FileDescriptorProto\022\014\n\004name\030\001 \001"
+    "roto\"\313\003\n\023FileDescriptorProto\022\014\n\004name\030\001 \001"
     "(\t\022\017\n\007package\030\002 \001(\t\022\022\n\ndependency\030\003 \003(\t\022"
-    "6\n\014message_type\030\004 \003(\0132 .google.protobuf."
-    "DescriptorProto\0227\n\tenum_type\030\005 \003(\0132$.goo"
-    "gle.protobuf.EnumDescriptorProto\0228\n\007serv"
-    "ice\030\006 \003(\0132\'.google.protobuf.ServiceDescr"
-    "iptorProto\0228\n\textension\030\007 \003(\0132%.google.p"
-    "rotobuf.FieldDescriptorProto\022-\n\007options\030"
-    "\010 \001(\0132\034.google.protobuf.FileOptions\"\251\003\n\017"
-    "DescriptorProto\022\014\n\004name\030\001 \001(\t\0224\n\005field\030\002"
-    " \003(\0132%.google.protobuf.FieldDescriptorPr"
-    "oto\0228\n\textension\030\006 \003(\0132%.google.protobuf"
-    ".FieldDescriptorProto\0225\n\013nested_type\030\003 \003"
-    "(\0132 .google.protobuf.DescriptorProto\0227\n\t"
-    "enum_type\030\004 \003(\0132$.google.protobuf.EnumDe"
-    "scriptorProto\022H\n\017extension_range\030\005 \003(\0132/"
-    ".google.protobuf.DescriptorProto.Extensi"
-    "onRange\0220\n\007options\030\007 \001(\0132\037.google.protob"
-    "uf.MessageOptions\032,\n\016ExtensionRange\022\r\n\005s"
-    "tart\030\001 \001(\005\022\013\n\003end\030\002 \001(\005\"\224\005\n\024FieldDescrip"
-    "torProto\022\014\n\004name\030\001 \001(\t\022\016\n\006number\030\003 \001(\005\022:"
-    "\n\005label\030\004 \001(\0162+.google.protobuf.FieldDes"
-    "criptorProto.Label\0228\n\004type\030\005 \001(\0162*.googl"
-    "e.protobuf.FieldDescriptorProto.Type\022\021\n\t"
-    "type_name\030\006 \001(\t\022\020\n\010extendee\030\002 \001(\t\022\025\n\rdef"
-    "ault_value\030\007 \001(\t\022.\n\007options\030\010 \001(\0132\035.goog"
-    "le.protobuf.FieldOptions\"\266\002\n\004Type\022\017\n\013TYP"
-    "E_DOUBLE\020\001\022\016\n\nTYPE_FLOAT\020\002\022\016\n\nTYPE_INT64"
-    "\020\003\022\017\n\013TYPE_UINT64\020\004\022\016\n\nTYPE_INT32\020\005\022\020\n\014T"
-    "YPE_FIXED64\020\006\022\020\n\014TYPE_FIXED32\020\007\022\r\n\tTYPE_"
-    "BOOL\020\010\022\017\n\013TYPE_STRING\020\t\022\016\n\nTYPE_GROUP\020\n\022"
-    "\020\n\014TYPE_MESSAGE\020\013\022\016\n\nTYPE_BYTES\020\014\022\017\n\013TYP"
-    "E_UINT32\020\r\022\r\n\tTYPE_ENUM\020\016\022\021\n\rTYPE_SFIXED"
-    "32\020\017\022\021\n\rTYPE_SFIXED64\020\020\022\017\n\013TYPE_SINT32\020\021"
-    "\022\017\n\013TYPE_SINT64\020\022\"C\n\005Label\022\022\n\016LABEL_OPTI"
-    "ONAL\020\001\022\022\n\016LABEL_REQUIRED\020\002\022\022\n\016LABEL_REPE"
-    "ATED\020\003\"\214\001\n\023EnumDescriptorProto\022\014\n\004name\030\001"
-    " \001(\t\0228\n\005value\030\002 \003(\0132).google.protobuf.En"
-    "umValueDescriptorProto\022-\n\007options\030\003 \001(\0132"
-    "\034.google.protobuf.EnumOptions\"l\n\030EnumVal"
-    "ueDescriptorProto\022\014\n\004name\030\001 \001(\t\022\016\n\006numbe"
-    "r\030\002 \001(\005\0222\n\007options\030\003 \001(\0132!.google.protob"
-    "uf.EnumValueOptions\"\220\001\n\026ServiceDescripto"
-    "rProto\022\014\n\004name\030\001 \001(\t\0226\n\006method\030\002 \003(\0132&.g"
-    "oogle.protobuf.MethodDescriptorProto\0220\n\007"
-    "options\030\003 \001(\0132\037.google.protobuf.ServiceO"
-    "ptions\"\177\n\025MethodDescriptorProto\022\014\n\004name\030"
-    "\001 \001(\t\022\022\n\ninput_type\030\002 \001(\t\022\023\n\013output_type"
-    "\030\003 \001(\t\022/\n\007options\030\004 \001(\0132\036.google.protobu"
-    "f.MethodOptions\"\244\003\n\013FileOptions\022\024\n\014java_"
-    "package\030\001 \001(\t\022\034\n\024java_outer_classname\030\010 "
-    "\001(\t\022\"\n\023java_multiple_files\030\n \001(\010:\005false\022"
-    "F\n\014optimize_for\030\t \001(\0162).google.protobuf."
-    "FileOptions.OptimizeMode:\005SPEED\022!\n\023cc_ge"
-    "neric_services\030\020 \001(\010:\004true\022#\n\025java_gener"
-    "ic_services\030\021 \001(\010:\004true\022!\n\023py_generic_se"
-    "rvices\030\022 \001(\010:\004true\022C\n\024uninterpreted_opti"
-    "on\030\347\007 \003(\0132$.google.protobuf.Uninterprete"
-    "dOption\":\n\014OptimizeMode\022\t\n\005SPEED\020\001\022\r\n\tCO"
-    "DE_SIZE\020\002\022\020\n\014LITE_RUNTIME\020\003*\t\010\350\007\020\200\200\200\200\002\"\270"
-    "\001\n\016MessageOptions\022&\n\027message_set_wire_fo"
-    "rmat\030\001 \001(\010:\005false\022.\n\037no_standard_descrip"
-    "tor_accessor\030\002 \001(\010:\005false\022C\n\024uninterpret"
-    "ed_option\030\347\007 \003(\0132$.google.protobuf.Unint"
-    "erpretedOption*\t\010\350\007\020\200\200\200\200\002\"\224\002\n\014FieldOptio"
-    "ns\022:\n\005ctype\030\001 \001(\0162#.google.protobuf.Fiel"
-    "dOptions.CType:\006STRING\022\016\n\006packed\030\002 \001(\010\022\031"
-    "\n\ndeprecated\030\003 \001(\010:\005false\022\034\n\024experimenta"
-    "l_map_key\030\t \001(\t\022C\n\024uninterpreted_option\030"
-    "\347\007 \003(\0132$.google.protobuf.UninterpretedOp"
-    "tion\"/\n\005CType\022\n\n\006STRING\020\000\022\010\n\004CORD\020\001\022\020\n\014S"
-    "TRING_PIECE\020\002*\t\010\350\007\020\200\200\200\200\002\"]\n\013EnumOptions\022"
-    "C\n\024uninterpreted_option\030\347\007 \003(\0132$.google."
-    "protobuf.UninterpretedOption*\t\010\350\007\020\200\200\200\200\002\""
-    "b\n\020EnumValueOptions\022C\n\024uninterpreted_opt"
-    "ion\030\347\007 \003(\0132$.google.protobuf.Uninterpret"
-    "edOption*\t\010\350\007\020\200\200\200\200\002\"`\n\016ServiceOptions\022C\n"
+    "\031\n\021public_dependency\030\n \003(\005\022\027\n\017weak_depen"
+    "dency\030\013 \003(\005\0226\n\014message_type\030\004 \003(\0132 .goog"
+    "le.protobuf.DescriptorProto\0227\n\tenum_type"
+    "\030\005 \003(\0132$.google.protobuf.EnumDescriptorP"
+    "roto\0228\n\007service\030\006 \003(\0132\'.google.protobuf."
+    "ServiceDescriptorProto\0228\n\textension\030\007 \003("
+    "\0132%.google.protobuf.FieldDescriptorProto"
+    "\022-\n\007options\030\010 \001(\0132\034.google.protobuf.File"
+    "Options\0229\n\020source_code_info\030\t \001(\0132\037.goog"
+    "le.protobuf.SourceCodeInfo\"\251\003\n\017Descripto"
+    "rProto\022\014\n\004name\030\001 \001(\t\0224\n\005field\030\002 \003(\0132%.go"
+    "ogle.protobuf.FieldDescriptorProto\0228\n\tex"
+    "tension\030\006 \003(\0132%.google.protobuf.FieldDes"
+    "criptorProto\0225\n\013nested_type\030\003 \003(\0132 .goog"
+    "le.protobuf.DescriptorProto\0227\n\tenum_type"
+    "\030\004 \003(\0132$.google.protobuf.EnumDescriptorP"
+    "roto\022H\n\017extension_range\030\005 \003(\0132/.google.p"
+    "rotobuf.DescriptorProto.ExtensionRange\0220"
+    "\n\007options\030\007 \001(\0132\037.google.protobuf.Messag"
+    "eOptions\032,\n\016ExtensionRange\022\r\n\005start\030\001 \001("
+    "\005\022\013\n\003end\030\002 \001(\005\"\224\005\n\024FieldDescriptorProto\022"
+    "\014\n\004name\030\001 \001(\t\022\016\n\006number\030\003 \001(\005\022:\n\005label\030\004"
+    " \001(\0162+.google.protobuf.FieldDescriptorPr"
+    "oto.Label\0228\n\004type\030\005 \001(\0162*.google.protobu"
+    "f.FieldDescriptorProto.Type\022\021\n\ttype_name"
+    "\030\006 \001(\t\022\020\n\010extendee\030\002 \001(\t\022\025\n\rdefault_valu"
+    "e\030\007 \001(\t\022.\n\007options\030\010 \001(\0132\035.google.protob"
+    "uf.FieldOptions\"\266\002\n\004Type\022\017\n\013TYPE_DOUBLE\020"
+    "\001\022\016\n\nTYPE_FLOAT\020\002\022\016\n\nTYPE_INT64\020\003\022\017\n\013TYP"
+    "E_UINT64\020\004\022\016\n\nTYPE_INT32\020\005\022\020\n\014TYPE_FIXED"
+    "64\020\006\022\020\n\014TYPE_FIXED32\020\007\022\r\n\tTYPE_BOOL\020\010\022\017\n"
+    "\013TYPE_STRING\020\t\022\016\n\nTYPE_GROUP\020\n\022\020\n\014TYPE_M"
+    "ESSAGE\020\013\022\016\n\nTYPE_BYTES\020\014\022\017\n\013TYPE_UINT32\020"
+    "\r\022\r\n\tTYPE_ENUM\020\016\022\021\n\rTYPE_SFIXED32\020\017\022\021\n\rT"
+    "YPE_SFIXED64\020\020\022\017\n\013TYPE_SINT32\020\021\022\017\n\013TYPE_"
+    "SINT64\020\022\"C\n\005Label\022\022\n\016LABEL_OPTIONAL\020\001\022\022\n"
+    "\016LABEL_REQUIRED\020\002\022\022\n\016LABEL_REPEATED\020\003\"\214\001"
+    "\n\023EnumDescriptorProto\022\014\n\004name\030\001 \001(\t\0228\n\005v"
+    "alue\030\002 \003(\0132).google.protobuf.EnumValueDe"
+    "scriptorProto\022-\n\007options\030\003 \001(\0132\034.google."
+    "protobuf.EnumOptions\"l\n\030EnumValueDescrip"
+    "torProto\022\014\n\004name\030\001 \001(\t\022\016\n\006number\030\002 \001(\005\0222"
+    "\n\007options\030\003 \001(\0132!.google.protobuf.EnumVa"
+    "lueOptions\"\220\001\n\026ServiceDescriptorProto\022\014\n"
+    "\004name\030\001 \001(\t\0226\n\006method\030\002 \003(\0132&.google.pro"
+    "tobuf.MethodDescriptorProto\0220\n\007options\030\003"
+    " \001(\0132\037.google.protobuf.ServiceOptions\"\177\n"
+    "\025MethodDescriptorProto\022\014\n\004name\030\001 \001(\t\022\022\n\n"
+    "input_type\030\002 \001(\t\022\023\n\013output_type\030\003 \001(\t\022/\n"
+    "\007options\030\004 \001(\0132\036.google.protobuf.MethodO"
+    "ptions\"\351\003\n\013FileOptions\022\024\n\014java_package\030\001"
+    " \001(\t\022\034\n\024java_outer_classname\030\010 \001(\t\022\"\n\023ja"
+    "va_multiple_files\030\n \001(\010:\005false\022,\n\035java_g"
+    "enerate_equals_and_hash\030\024 \001(\010:\005false\022F\n\014"
+    "optimize_for\030\t \001(\0162).google.protobuf.Fil"
+    "eOptions.OptimizeMode:\005SPEED\022\022\n\ngo_packa"
+    "ge\030\013 \001(\t\022\"\n\023cc_generic_services\030\020 \001(\010:\005f"
+    "alse\022$\n\025java_generic_services\030\021 \001(\010:\005fal"
+    "se\022\"\n\023py_generic_services\030\022 \001(\010:\005false\022C"
+    "\n\024uninterpreted_option\030\347\007 \003(\0132$.google.p"
+    "rotobuf.UninterpretedOption\":\n\014OptimizeM"
+    "ode\022\t\n\005SPEED\020\001\022\r\n\tCODE_SIZE\020\002\022\020\n\014LITE_RU"
+    "NTIME\020\003*\t\010\350\007\020\200\200\200\200\002\"\270\001\n\016MessageOptions\022&\n"
+    "\027message_set_wire_format\030\001 \001(\010:\005false\022.\n"
+    "\037no_standard_descriptor_accessor\030\002 \001(\010:\005"
+    "false\022C\n\024uninterpreted_option\030\347\007 \003(\0132$.g"
+    "oogle.protobuf.UninterpretedOption*\t\010\350\007\020"
+    "\200\200\200\200\002\"\276\002\n\014FieldOptions\022:\n\005ctype\030\001 \001(\0162#."
+    "google.protobuf.FieldOptions.CType:\006STRI"
+    "NG\022\016\n\006packed\030\002 \001(\010\022\023\n\004lazy\030\005 \001(\010:\005false\022"
+    "\031\n\ndeprecated\030\003 \001(\010:\005false\022\034\n\024experiment"
+    "al_map_key\030\t \001(\t\022\023\n\004weak\030\n \001(\010:\005false\022C\n"
     "\024uninterpreted_option\030\347\007 \003(\0132$.google.pr"
-    "otobuf.UninterpretedOption*\t\010\350\007\020\200\200\200\200\002\"_\n"
-    "\rMethodOptions\022C\n\024uninterpreted_option\030\347"
-    "\007 \003(\0132$.google.protobuf.UninterpretedOpt"
-    "ion*\t\010\350\007\020\200\200\200\200\002\"\205\002\n\023UninterpretedOption\022;"
-    "\n\004name\030\002 \003(\0132-.google.protobuf.Uninterpr"
-    "etedOption.NamePart\022\030\n\020identifier_value\030"
-    "\003 \001(\t\022\032\n\022positive_int_value\030\004 \001(\004\022\032\n\022neg"
-    "ative_int_value\030\005 \001(\003\022\024\n\014double_value\030\006 "
-    "\001(\001\022\024\n\014string_value\030\007 \001(\014\0323\n\010NamePart\022\021\n"
-    "\tname_part\030\001 \002(\t\022\024\n\014is_extension\030\002 \002(\010B)"
-    "\n\023com.google.protobufB\020DescriptorProtosH"
-    "\001", 3681);
+    "otobuf.UninterpretedOption\"/\n\005CType\022\n\n\006S"
+    "TRING\020\000\022\010\n\004CORD\020\001\022\020\n\014STRING_PIECE\020\002*\t\010\350\007"
+    "\020\200\200\200\200\002\"x\n\013EnumOptions\022\031\n\013allow_alias\030\002 \001"
+    "(\010:\004true\022C\n\024uninterpreted_option\030\347\007 \003(\0132"
+    "$.google.protobuf.UninterpretedOption*\t\010"
+    "\350\007\020\200\200\200\200\002\"b\n\020EnumValueOptions\022C\n\024uninterp"
+    "reted_option\030\347\007 \003(\0132$.google.protobuf.Un"
+    "interpretedOption*\t\010\350\007\020\200\200\200\200\002\"`\n\016ServiceO"
+    "ptions\022C\n\024uninterpreted_option\030\347\007 \003(\0132$."
+    "google.protobuf.UninterpretedOption*\t\010\350\007"
+    "\020\200\200\200\200\002\"_\n\rMethodOptions\022C\n\024uninterpreted"
+    "_option\030\347\007 \003(\0132$.google.protobuf.Uninter"
+    "pretedOption*\t\010\350\007\020\200\200\200\200\002\"\236\002\n\023Uninterprete"
+    "dOption\022;\n\004name\030\002 \003(\0132-.google.protobuf."
+    "UninterpretedOption.NamePart\022\030\n\020identifi"
+    "er_value\030\003 \001(\t\022\032\n\022positive_int_value\030\004 \001"
+    "(\004\022\032\n\022negative_int_value\030\005 \001(\003\022\024\n\014double"
+    "_value\030\006 \001(\001\022\024\n\014string_value\030\007 \001(\014\022\027\n\017ag"
+    "gregate_value\030\010 \001(\t\0323\n\010NamePart\022\021\n\tname_"
+    "part\030\001 \002(\t\022\024\n\014is_extension\030\002 \002(\010\"\261\001\n\016Sou"
+    "rceCodeInfo\022:\n\010location\030\001 \003(\0132(.google.p"
+    "rotobuf.SourceCodeInfo.Location\032c\n\010Locat"
+    "ion\022\020\n\004path\030\001 \003(\005B\002\020\001\022\020\n\004span\030\002 \003(\005B\002\020\001\022"
+    "\030\n\020leading_comments\030\003 \001(\t\022\031\n\021trailing_co"
+    "mments\030\004 \001(\tB)\n\023com.google.protobufB\020Des"
+    "criptorProtosH\001", 4135);
   ::google::protobuf::MessageFactory::InternalRegisterGeneratedFile(
     "google/protobuf/descriptor.proto", &protobuf_RegisterTypes);
   FileDescriptorSet::default_instance_ = new FileDescriptorSet();
@@ -617,6 +690,8 @@ void protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto() {
   MethodOptions::default_instance_ = new MethodOptions();
   UninterpretedOption::default_instance_ = new UninterpretedOption();
   UninterpretedOption_NamePart::default_instance_ = new UninterpretedOption_NamePart();
+  SourceCodeInfo::default_instance_ = new SourceCodeInfo();
+  SourceCodeInfo_Location::default_instance_ = new SourceCodeInfo_Location();
   FileDescriptorSet::default_instance_->InitAsDefaultInstance();
   FileDescriptorProto::default_instance_->InitAsDefaultInstance();
   DescriptorProto::default_instance_->InitAsDefaultInstance();
@@ -635,6 +710,8 @@ void protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto() {
   MethodOptions::default_instance_->InitAsDefaultInstance();
   UninterpretedOption::default_instance_->InitAsDefaultInstance();
   UninterpretedOption_NamePart::default_instance_->InitAsDefaultInstance();
+  SourceCodeInfo::default_instance_->InitAsDefaultInstance();
+  SourceCodeInfo_Location::default_instance_->InitAsDefaultInstance();
   ::google::protobuf::internal::OnShutdown(&protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto);
 }
 
@@ -645,7 +722,6 @@ struct StaticDescriptorInitializer_google_2fprotobuf_2fdescriptor_2eproto {
   }
 } static_descriptor_initializer_google_2fprotobuf_2fdescriptor_2eproto_;
 
-
 // ===================================================================
 
 #ifndef _MSC_VER
@@ -691,7 +767,8 @@ const ::google::protobuf::Descriptor* FileDescriptorSet::descriptor() {
 }
 
 const FileDescriptorSet& FileDescriptorSet::default_instance() {
-  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();  return *default_instance_;
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  return *default_instance_;
 }
 
 FileDescriptorSet* FileDescriptorSet::default_instance_ = NULL;
@@ -726,7 +803,7 @@ bool FileDescriptorSet::MergePartialFromCodedStream(
         if (input->ExpectAtEnd()) return true;
         break;
       }
-      
+
       default: {
       handle_uninterpreted:
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -750,7 +827,7 @@ void FileDescriptorSet::SerializeWithCachedSizes(
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       1, this->file(i), output);
   }
-  
+
   if (!unknown_fields().empty()) {
     ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
         unknown_fields(), output);
@@ -765,7 +842,7 @@ void FileDescriptorSet::SerializeWithCachedSizes(
       WriteMessageNoVirtualToArray(
         1, this->file(i), target);
   }
-  
+
   if (!unknown_fields().empty()) {
     target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
         unknown_fields(), target);
@@ -775,7 +852,7 @@ void FileDescriptorSet::SerializeWithCachedSizes(
 
 int FileDescriptorSet::ByteSize() const {
   int total_size = 0;
-  
+
   // repeated .google.protobuf.FileDescriptorProto file = 1;
   total_size += 1 * this->file_size();
   for (int i = 0; i < this->file_size(); i++) {
@@ -783,7 +860,7 @@ int FileDescriptorSet::ByteSize() const {
       ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
         this->file(i));
   }
-  
+
   if (!unknown_fields().empty()) {
     total_size +=
       ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
@@ -826,7 +903,7 @@ void FileDescriptorSet::CopyFrom(const FileDescriptorSet& from) {
 }
 
 bool FileDescriptorSet::IsInitialized() const {
-  
+
   for (int i = 0; i < file_size(); i++) {
     if (!this->file(i).IsInitialized()) return false;
   }
@@ -853,17 +930,18 @@ void FileDescriptorSet::Swap(FileDescriptorSet* other) {
 
 // ===================================================================
 
-const ::std::string FileDescriptorProto::_default_name_;
-const ::std::string FileDescriptorProto::_default_package_;
 #ifndef _MSC_VER
 const int FileDescriptorProto::kNameFieldNumber;
 const int FileDescriptorProto::kPackageFieldNumber;
 const int FileDescriptorProto::kDependencyFieldNumber;
+const int FileDescriptorProto::kPublicDependencyFieldNumber;
+const int FileDescriptorProto::kWeakDependencyFieldNumber;
 const int FileDescriptorProto::kMessageTypeFieldNumber;
 const int FileDescriptorProto::kEnumTypeFieldNumber;
 const int FileDescriptorProto::kServiceFieldNumber;
 const int FileDescriptorProto::kExtensionFieldNumber;
 const int FileDescriptorProto::kOptionsFieldNumber;
+const int FileDescriptorProto::kSourceCodeInfoFieldNumber;
 #endif  // !_MSC_VER
 
 FileDescriptorProto::FileDescriptorProto()
@@ -873,6 +951,7 @@ FileDescriptorProto::FileDescriptorProto()
 
 void FileDescriptorProto::InitAsDefaultInstance() {
   options_ = const_cast< ::google::protobuf::FileOptions*>(&::google::protobuf::FileOptions::default_instance());
+  source_code_info_ = const_cast< ::google::protobuf::SourceCodeInfo*>(&::google::protobuf::SourceCodeInfo::default_instance());
 }
 
 FileDescriptorProto::FileDescriptorProto(const FileDescriptorProto& from)
@@ -883,9 +962,10 @@ FileDescriptorProto::FileDescriptorProto(const FileDescriptorProto& from)
 
 void FileDescriptorProto::SharedCtor() {
   _cached_size_ = 0;
-  name_ = const_cast< ::std::string*>(&_default_name_);
-  package_ = const_cast< ::std::string*>(&_default_package_);
+  name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  package_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
   options_ = NULL;
+  source_code_info_ = NULL;
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
 }
 
@@ -894,14 +974,15 @@ FileDescriptorProto::~FileDescriptorProto() {
 }
 
 void FileDescriptorProto::SharedDtor() {
-  if (name_ != &_default_name_) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
     delete name_;
   }
-  if (package_ != &_default_package_) {
+  if (package_ != &::google::protobuf::internal::kEmptyString) {
     delete package_;
   }
   if (this != default_instance_) {
     delete options_;
+    delete source_code_info_;
   }
 }
 
@@ -916,7 +997,8 @@ const ::google::protobuf::Descriptor* FileDescriptorProto::descriptor() {
 }
 
 const FileDescriptorProto& FileDescriptorProto::default_instance() {
-  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();  return *default_instance_;
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  return *default_instance_;
 }
 
 FileDescriptorProto* FileDescriptorProto::default_instance_ = NULL;
@@ -927,21 +1009,28 @@ FileDescriptorProto* FileDescriptorProto::New() const {
 
 void FileDescriptorProto::Clear() {
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (_has_bit(0)) {
-      if (name_ != &_default_name_) {
+    if (has_name()) {
+      if (name_ != &::google::protobuf::internal::kEmptyString) {
         name_->clear();
       }
     }
-    if (_has_bit(1)) {
-      if (package_ != &_default_package_) {
+    if (has_package()) {
+      if (package_ != &::google::protobuf::internal::kEmptyString) {
         package_->clear();
       }
     }
-    if (_has_bit(7)) {
+  }
+  if (_has_bits_[9 / 32] & (0xffu << (9 % 32))) {
+    if (has_options()) {
       if (options_ != NULL) options_->::google::protobuf::FileOptions::Clear();
     }
+    if (has_source_code_info()) {
+      if (source_code_info_ != NULL) source_code_info_->::google::protobuf::SourceCodeInfo::Clear();
+    }
   }
   dependency_.Clear();
+  public_dependency_.Clear();
+  weak_dependency_.Clear();
   message_type_.Clear();
   enum_type_.Clear();
   service_.Clear();
@@ -971,7 +1060,7 @@ bool FileDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(18)) goto parse_package;
         break;
       }
-      
+
       // optional string package = 2;
       case 2: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -988,7 +1077,7 @@ bool FileDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(26)) goto parse_dependency;
         break;
       }
-      
+
       // repeated string dependency = 3;
       case 3: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -997,7 +1086,8 @@ bool FileDescriptorProto::MergePartialFromCodedStream(
           DO_(::google::protobuf::internal::WireFormatLite::ReadString(
                 input, this->add_dependency()));
           ::google::protobuf::internal::WireFormat::VerifyUTF8String(
-            this->dependency(0).data(), this->dependency(0).length(),
+            this->dependency(this->dependency_size() - 1).data(),
+            this->dependency(this->dependency_size() - 1).length(),
             ::google::protobuf::internal::WireFormat::PARSE);
         } else {
           goto handle_uninterpreted;
@@ -1006,7 +1096,7 @@ bool FileDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(34)) goto parse_message_type;
         break;
       }
-      
+
       // repeated .google.protobuf.DescriptorProto message_type = 4;
       case 4: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -1021,7 +1111,7 @@ bool FileDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(42)) goto parse_enum_type;
         break;
       }
-      
+
       // repeated .google.protobuf.EnumDescriptorProto enum_type = 5;
       case 5: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -1036,7 +1126,7 @@ bool FileDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(50)) goto parse_service;
         break;
       }
-      
+
       // repeated .google.protobuf.ServiceDescriptorProto service = 6;
       case 6: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -1051,7 +1141,7 @@ bool FileDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(58)) goto parse_extension;
         break;
       }
-      
+
       // repeated .google.protobuf.FieldDescriptorProto extension = 7;
       case 7: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -1066,7 +1156,7 @@ bool FileDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(66)) goto parse_options;
         break;
       }
-      
+
       // optional .google.protobuf.FileOptions options = 8;
       case 8: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -1077,10 +1167,68 @@ bool FileDescriptorProto::MergePartialFromCodedStream(
         } else {
           goto handle_uninterpreted;
         }
+        if (input->ExpectTag(74)) goto parse_source_code_info;
+        break;
+      }
+
+      // optional .google.protobuf.SourceCodeInfo source_code_info = 9;
+      case 9: {
+        if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
+            ::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED) {
+         parse_source_code_info:
+          DO_(::google::protobuf::internal::WireFormatLite::ReadMessageNoVirtual(
+               input, mutable_source_code_info()));
+        } else {
+          goto handle_uninterpreted;
+        }
+        if (input->ExpectTag(80)) goto parse_public_dependency;
+        break;
+      }
+
+      // repeated int32 public_dependency = 10;
+      case 10: {
+        if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
+            ::google::protobuf::internal::WireFormatLite::WIRETYPE_VARINT) {
+         parse_public_dependency:
+          DO_((::google::protobuf::internal::WireFormatLite::ReadRepeatedPrimitive<
+                   ::google::protobuf::int32, ::google::protobuf::internal::WireFormatLite::TYPE_INT32>(
+                 1, 80, input, this->mutable_public_dependency())));
+        } else if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag)
+                   == ::google::protobuf::internal::WireFormatLite::
+                      WIRETYPE_LENGTH_DELIMITED) {
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPackedPrimitiveNoInline<
+                   ::google::protobuf::int32, ::google::protobuf::internal::WireFormatLite::TYPE_INT32>(
+                 input, this->mutable_public_dependency())));
+        } else {
+          goto handle_uninterpreted;
+        }
+        if (input->ExpectTag(80)) goto parse_public_dependency;
+        if (input->ExpectTag(88)) goto parse_weak_dependency;
+        break;
+      }
+
+      // repeated int32 weak_dependency = 11;
+      case 11: {
+        if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
+            ::google::protobuf::internal::WireFormatLite::WIRETYPE_VARINT) {
+         parse_weak_dependency:
+          DO_((::google::protobuf::internal::WireFormatLite::ReadRepeatedPrimitive<
+                   ::google::protobuf::int32, ::google::protobuf::internal::WireFormatLite::TYPE_INT32>(
+                 1, 88, input, this->mutable_weak_dependency())));
+        } else if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag)
+                   == ::google::protobuf::internal::WireFormatLite::
+                      WIRETYPE_LENGTH_DELIMITED) {
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPackedPrimitiveNoInline<
+                   ::google::protobuf::int32, ::google::protobuf::internal::WireFormatLite::TYPE_INT32>(
+                 input, this->mutable_weak_dependency())));
+        } else {
+          goto handle_uninterpreted;
+        }
+        if (input->ExpectTag(88)) goto parse_weak_dependency;
         if (input->ExpectAtEnd()) return true;
         break;
       }
-      
+
       default: {
       handle_uninterpreted:
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -1100,23 +1248,23 @@ bool FileDescriptorProto::MergePartialFromCodedStream(
 void FileDescriptorProto::SerializeWithCachedSizes(
     ::google::protobuf::io::CodedOutputStream* output) const {
   // optional string name = 1;
-  if (_has_bit(0)) {
+  if (has_name()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->name().data(), this->name().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       1, this->name(), output);
   }
-  
+
   // optional string package = 2;
-  if (_has_bit(1)) {
+  if (has_package()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->package().data(), this->package().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       2, this->package(), output);
   }
-  
+
   // repeated string dependency = 3;
   for (int i = 0; i < this->dependency_size(); i++) {
   ::google::protobuf::internal::WireFormat::VerifyUTF8String(
@@ -1125,37 +1273,55 @@ void FileDescriptorProto::SerializeWithCachedSizes(
     ::google::protobuf::internal::WireFormatLite::WriteString(
       3, this->dependency(i), output);
   }
-  
+
   // repeated .google.protobuf.DescriptorProto message_type = 4;
   for (int i = 0; i < this->message_type_size(); i++) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       4, this->message_type(i), output);
   }
-  
+
   // repeated .google.protobuf.EnumDescriptorProto enum_type = 5;
   for (int i = 0; i < this->enum_type_size(); i++) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       5, this->enum_type(i), output);
   }
-  
+
   // repeated .google.protobuf.ServiceDescriptorProto service = 6;
   for (int i = 0; i < this->service_size(); i++) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       6, this->service(i), output);
   }
-  
+
   // repeated .google.protobuf.FieldDescriptorProto extension = 7;
   for (int i = 0; i < this->extension_size(); i++) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       7, this->extension(i), output);
   }
-  
+
   // optional .google.protobuf.FileOptions options = 8;
-  if (_has_bit(7)) {
+  if (has_options()) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       8, this->options(), output);
   }
-  
+
+  // optional .google.protobuf.SourceCodeInfo source_code_info = 9;
+  if (has_source_code_info()) {
+    ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
+      9, this->source_code_info(), output);
+  }
+
+  // repeated int32 public_dependency = 10;
+  for (int i = 0; i < this->public_dependency_size(); i++) {
+    ::google::protobuf::internal::WireFormatLite::WriteInt32(
+      10, this->public_dependency(i), output);
+  }
+
+  // repeated int32 weak_dependency = 11;
+  for (int i = 0; i < this->weak_dependency_size(); i++) {
+    ::google::protobuf::internal::WireFormatLite::WriteInt32(
+      11, this->weak_dependency(i), output);
+  }
+
   if (!unknown_fields().empty()) {
     ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
         unknown_fields(), output);
@@ -1165,7 +1331,7 @@ void FileDescriptorProto::SerializeWithCachedSizes(
 ::google::protobuf::uint8* FileDescriptorProto::SerializeWithCachedSizesToArray(
     ::google::protobuf::uint8* target) const {
   // optional string name = 1;
-  if (_has_bit(0)) {
+  if (has_name()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->name().data(), this->name().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -1173,9 +1339,9 @@ void FileDescriptorProto::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         1, this->name(), target);
   }
-  
+
   // optional string package = 2;
-  if (_has_bit(1)) {
+  if (has_package()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->package().data(), this->package().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -1183,7 +1349,7 @@ void FileDescriptorProto::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         2, this->package(), target);
   }
-  
+
   // repeated string dependency = 3;
   for (int i = 0; i < this->dependency_size(); i++) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
@@ -1192,42 +1358,61 @@ void FileDescriptorProto::SerializeWithCachedSizes(
     target = ::google::protobuf::internal::WireFormatLite::
       WriteStringToArray(3, this->dependency(i), target);
   }
-  
+
   // repeated .google.protobuf.DescriptorProto message_type = 4;
   for (int i = 0; i < this->message_type_size(); i++) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         4, this->message_type(i), target);
   }
-  
+
   // repeated .google.protobuf.EnumDescriptorProto enum_type = 5;
   for (int i = 0; i < this->enum_type_size(); i++) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         5, this->enum_type(i), target);
   }
-  
+
   // repeated .google.protobuf.ServiceDescriptorProto service = 6;
   for (int i = 0; i < this->service_size(); i++) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         6, this->service(i), target);
   }
-  
+
   // repeated .google.protobuf.FieldDescriptorProto extension = 7;
   for (int i = 0; i < this->extension_size(); i++) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         7, this->extension(i), target);
   }
-  
+
   // optional .google.protobuf.FileOptions options = 8;
-  if (_has_bit(7)) {
+  if (has_options()) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         8, this->options(), target);
   }
-  
+
+  // optional .google.protobuf.SourceCodeInfo source_code_info = 9;
+  if (has_source_code_info()) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      WriteMessageNoVirtualToArray(
+        9, this->source_code_info(), target);
+  }
+
+  // repeated int32 public_dependency = 10;
+  for (int i = 0; i < this->public_dependency_size(); i++) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      WriteInt32ToArray(10, this->public_dependency(i), target);
+  }
+
+  // repeated int32 weak_dependency = 11;
+  for (int i = 0; i < this->weak_dependency_size(); i++) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      WriteInt32ToArray(11, this->weak_dependency(i), target);
+  }
+
   if (!unknown_fields().empty()) {
     target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
         unknown_fields(), target);
@@ -1237,7 +1422,7 @@ void FileDescriptorProto::SerializeWithCachedSizes(
 
 int FileDescriptorProto::ByteSize() const {
   int total_size = 0;
-  
+
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
     // optional string name = 1;
     if (has_name()) {
@@ -1245,21 +1430,30 @@ int FileDescriptorProto::ByteSize() const {
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->name());
     }
-    
+
     // optional string package = 2;
     if (has_package()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->package());
     }
-    
+
+  }
+  if (_has_bits_[9 / 32] & (0xffu << (9 % 32))) {
     // optional .google.protobuf.FileOptions options = 8;
     if (has_options()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
           this->options());
     }
-    
+
+    // optional .google.protobuf.SourceCodeInfo source_code_info = 9;
+    if (has_source_code_info()) {
+      total_size += 1 +
+        ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
+          this->source_code_info());
+    }
+
   }
   // repeated string dependency = 3;
   total_size += 1 * this->dependency_size();
@@ -1267,7 +1461,27 @@ int FileDescriptorProto::ByteSize() const {
     total_size += ::google::protobuf::internal::WireFormatLite::StringSize(
       this->dependency(i));
   }
-  
+
+  // repeated int32 public_dependency = 10;
+  {
+    int data_size = 0;
+    for (int i = 0; i < this->public_dependency_size(); i++) {
+      data_size += ::google::protobuf::internal::WireFormatLite::
+        Int32Size(this->public_dependency(i));
+    }
+    total_size += 1 * this->public_dependency_size() + data_size;
+  }
+
+  // repeated int32 weak_dependency = 11;
+  {
+    int data_size = 0;
+    for (int i = 0; i < this->weak_dependency_size(); i++) {
+      data_size += ::google::protobuf::internal::WireFormatLite::
+        Int32Size(this->weak_dependency(i));
+    }
+    total_size += 1 * this->weak_dependency_size() + data_size;
+  }
+
   // repeated .google.protobuf.DescriptorProto message_type = 4;
   total_size += 1 * this->message_type_size();
   for (int i = 0; i < this->message_type_size(); i++) {
@@ -1275,7 +1489,7 @@ int FileDescriptorProto::ByteSize() const {
       ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
         this->message_type(i));
   }
-  
+
   // repeated .google.protobuf.EnumDescriptorProto enum_type = 5;
   total_size += 1 * this->enum_type_size();
   for (int i = 0; i < this->enum_type_size(); i++) {
@@ -1283,7 +1497,7 @@ int FileDescriptorProto::ByteSize() const {
       ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
         this->enum_type(i));
   }
-  
+
   // repeated .google.protobuf.ServiceDescriptorProto service = 6;
   total_size += 1 * this->service_size();
   for (int i = 0; i < this->service_size(); i++) {
@@ -1291,7 +1505,7 @@ int FileDescriptorProto::ByteSize() const {
       ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
         this->service(i));
   }
-  
+
   // repeated .google.protobuf.FieldDescriptorProto extension = 7;
   total_size += 1 * this->extension_size();
   for (int i = 0; i < this->extension_size(); i++) {
@@ -1299,7 +1513,7 @@ int FileDescriptorProto::ByteSize() const {
       ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
         this->extension(i));
   }
-  
+
   if (!unknown_fields().empty()) {
     total_size +=
       ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
@@ -1326,20 +1540,27 @@ void FileDescriptorProto::MergeFrom(const ::google::protobuf::Message& from) {
 void FileDescriptorProto::MergeFrom(const FileDescriptorProto& from) {
   GOOGLE_CHECK_NE(&from, this);
   dependency_.MergeFrom(from.dependency_);
+  public_dependency_.MergeFrom(from.public_dependency_);
+  weak_dependency_.MergeFrom(from.weak_dependency_);
   message_type_.MergeFrom(from.message_type_);
   enum_type_.MergeFrom(from.enum_type_);
   service_.MergeFrom(from.service_);
   extension_.MergeFrom(from.extension_);
   if (from._has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (from._has_bit(0)) {
+    if (from.has_name()) {
       set_name(from.name());
     }
-    if (from._has_bit(1)) {
+    if (from.has_package()) {
       set_package(from.package());
     }
-    if (from._has_bit(7)) {
+  }
+  if (from._has_bits_[9 / 32] & (0xffu << (9 % 32))) {
+    if (from.has_options()) {
       mutable_options()->::google::protobuf::FileOptions::MergeFrom(from.options());
     }
+    if (from.has_source_code_info()) {
+      mutable_source_code_info()->::google::protobuf::SourceCodeInfo::MergeFrom(from.source_code_info());
+    }
   }
   mutable_unknown_fields()->MergeFrom(from.unknown_fields());
 }
@@ -1357,7 +1578,7 @@ void FileDescriptorProto::CopyFrom(const FileDescriptorProto& from) {
 }
 
 bool FileDescriptorProto::IsInitialized() const {
-  
+
   for (int i = 0; i < message_type_size(); i++) {
     if (!this->message_type(i).IsInitialized()) return false;
   }
@@ -1381,11 +1602,14 @@ void FileDescriptorProto::Swap(FileDescriptorProto* other) {
     std::swap(name_, other->name_);
     std::swap(package_, other->package_);
     dependency_.Swap(&other->dependency_);
+    public_dependency_.Swap(&other->public_dependency_);
+    weak_dependency_.Swap(&other->weak_dependency_);
     message_type_.Swap(&other->message_type_);
     enum_type_.Swap(&other->enum_type_);
     service_.Swap(&other->service_);
     extension_.Swap(&other->extension_);
     std::swap(options_, other->options_);
+    std::swap(source_code_info_, other->source_code_info_);
     std::swap(_has_bits_[0], other->_has_bits_[0]);
     _unknown_fields_.Swap(&other->_unknown_fields_);
     std::swap(_cached_size_, other->_cached_size_);
@@ -1449,7 +1673,8 @@ const ::google::protobuf::Descriptor* DescriptorProto_ExtensionRange::descriptor
 }
 
 const DescriptorProto_ExtensionRange& DescriptorProto_ExtensionRange::default_instance() {
-  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();  return *default_instance_;
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  return *default_instance_;
 }
 
 DescriptorProto_ExtensionRange* DescriptorProto_ExtensionRange::default_instance_ = NULL;
@@ -1480,14 +1705,14 @@ bool DescriptorProto_ExtensionRange::MergePartialFromCodedStream(
           DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
                    ::google::protobuf::int32, ::google::protobuf::internal::WireFormatLite::TYPE_INT32>(
                  input, &start_)));
-          _set_bit(0);
+          set_has_start();
         } else {
           goto handle_uninterpreted;
         }
         if (input->ExpectTag(16)) goto parse_end;
         break;
       }
-      
+
       // optional int32 end = 2;
       case 2: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -1496,14 +1721,14 @@ bool DescriptorProto_ExtensionRange::MergePartialFromCodedStream(
           DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
                    ::google::protobuf::int32, ::google::protobuf::internal::WireFormatLite::TYPE_INT32>(
                  input, &end_)));
-          _set_bit(1);
+          set_has_end();
         } else {
           goto handle_uninterpreted;
         }
         if (input->ExpectAtEnd()) return true;
         break;
       }
-      
+
       default: {
       handle_uninterpreted:
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -1523,15 +1748,15 @@ bool DescriptorProto_ExtensionRange::MergePartialFromCodedStream(
 void DescriptorProto_ExtensionRange::SerializeWithCachedSizes(
     ::google::protobuf::io::CodedOutputStream* output) const {
   // optional int32 start = 1;
-  if (_has_bit(0)) {
+  if (has_start()) {
     ::google::protobuf::internal::WireFormatLite::WriteInt32(1, this->start(), output);
   }
-  
+
   // optional int32 end = 2;
-  if (_has_bit(1)) {
+  if (has_end()) {
     ::google::protobuf::internal::WireFormatLite::WriteInt32(2, this->end(), output);
   }
-  
+
   if (!unknown_fields().empty()) {
     ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
         unknown_fields(), output);
@@ -1541,15 +1766,15 @@ void DescriptorProto_ExtensionRange::SerializeWithCachedSizes(
 ::google::protobuf::uint8* DescriptorProto_ExtensionRange::SerializeWithCachedSizesToArray(
     ::google::protobuf::uint8* target) const {
   // optional int32 start = 1;
-  if (_has_bit(0)) {
+  if (has_start()) {
     target = ::google::protobuf::internal::WireFormatLite::WriteInt32ToArray(1, this->start(), target);
   }
-  
+
   // optional int32 end = 2;
-  if (_has_bit(1)) {
+  if (has_end()) {
     target = ::google::protobuf::internal::WireFormatLite::WriteInt32ToArray(2, this->end(), target);
   }
-  
+
   if (!unknown_fields().empty()) {
     target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
         unknown_fields(), target);
@@ -1559,7 +1784,7 @@ void DescriptorProto_ExtensionRange::SerializeWithCachedSizes(
 
 int DescriptorProto_ExtensionRange::ByteSize() const {
   int total_size = 0;
-  
+
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
     // optional int32 start = 1;
     if (has_start()) {
@@ -1567,14 +1792,14 @@ int DescriptorProto_ExtensionRange::ByteSize() const {
         ::google::protobuf::internal::WireFormatLite::Int32Size(
           this->start());
     }
-    
+
     // optional int32 end = 2;
     if (has_end()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::Int32Size(
           this->end());
     }
-    
+
   }
   if (!unknown_fields().empty()) {
     total_size +=
@@ -1602,10 +1827,10 @@ void DescriptorProto_ExtensionRange::MergeFrom(const ::google::protobuf::Message
 void DescriptorProto_ExtensionRange::MergeFrom(const DescriptorProto_ExtensionRange& from) {
   GOOGLE_CHECK_NE(&from, this);
   if (from._has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (from._has_bit(0)) {
+    if (from.has_start()) {
       set_start(from.start());
     }
-    if (from._has_bit(1)) {
+    if (from.has_end()) {
       set_end(from.end());
     }
   }
@@ -1625,7 +1850,7 @@ void DescriptorProto_ExtensionRange::CopyFrom(const DescriptorProto_ExtensionRan
 }
 
 bool DescriptorProto_ExtensionRange::IsInitialized() const {
-  
+
   return true;
 }
 
@@ -1650,7 +1875,6 @@ void DescriptorProto_ExtensionRange::Swap(DescriptorProto_ExtensionRange* other)
 
 // -------------------------------------------------------------------
 
-const ::std::string DescriptorProto::_default_name_;
 #ifndef _MSC_VER
 const int DescriptorProto::kNameFieldNumber;
 const int DescriptorProto::kFieldFieldNumber;
@@ -1678,7 +1902,7 @@ DescriptorProto::DescriptorProto(const DescriptorProto& from)
 
 void DescriptorProto::SharedCtor() {
   _cached_size_ = 0;
-  name_ = const_cast< ::std::string*>(&_default_name_);
+  name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
   options_ = NULL;
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
 }
@@ -1688,7 +1912,7 @@ DescriptorProto::~DescriptorProto() {
 }
 
 void DescriptorProto::SharedDtor() {
-  if (name_ != &_default_name_) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
     delete name_;
   }
   if (this != default_instance_) {
@@ -1707,7 +1931,8 @@ const ::google::protobuf::Descriptor* DescriptorProto::descriptor() {
 }
 
 const DescriptorProto& DescriptorProto::default_instance() {
-  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();  return *default_instance_;
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  return *default_instance_;
 }
 
 DescriptorProto* DescriptorProto::default_instance_ = NULL;
@@ -1718,12 +1943,12 @@ DescriptorProto* DescriptorProto::New() const {
 
 void DescriptorProto::Clear() {
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (_has_bit(0)) {
-      if (name_ != &_default_name_) {
+    if (has_name()) {
+      if (name_ != &::google::protobuf::internal::kEmptyString) {
         name_->clear();
       }
     }
-    if (_has_bit(6)) {
+    if (has_options()) {
       if (options_ != NULL) options_->::google::protobuf::MessageOptions::Clear();
     }
   }
@@ -1757,7 +1982,7 @@ bool DescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(18)) goto parse_field;
         break;
       }
-      
+
       // repeated .google.protobuf.FieldDescriptorProto field = 2;
       case 2: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -1772,7 +1997,7 @@ bool DescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(26)) goto parse_nested_type;
         break;
       }
-      
+
       // repeated .google.protobuf.DescriptorProto nested_type = 3;
       case 3: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -1787,7 +2012,7 @@ bool DescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(34)) goto parse_enum_type;
         break;
       }
-      
+
       // repeated .google.protobuf.EnumDescriptorProto enum_type = 4;
       case 4: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -1802,7 +2027,7 @@ bool DescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(42)) goto parse_extension_range;
         break;
       }
-      
+
       // repeated .google.protobuf.DescriptorProto.ExtensionRange extension_range = 5;
       case 5: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -1817,7 +2042,7 @@ bool DescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(50)) goto parse_extension;
         break;
       }
-      
+
       // repeated .google.protobuf.FieldDescriptorProto extension = 6;
       case 6: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -1832,7 +2057,7 @@ bool DescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(58)) goto parse_options;
         break;
       }
-      
+
       // optional .google.protobuf.MessageOptions options = 7;
       case 7: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -1846,7 +2071,7 @@ bool DescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectAtEnd()) return true;
         break;
       }
-      
+
       default: {
       handle_uninterpreted:
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -1866,50 +2091,50 @@ bool DescriptorProto::MergePartialFromCodedStream(
 void DescriptorProto::SerializeWithCachedSizes(
     ::google::protobuf::io::CodedOutputStream* output) const {
   // optional string name = 1;
-  if (_has_bit(0)) {
+  if (has_name()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->name().data(), this->name().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       1, this->name(), output);
   }
-  
+
   // repeated .google.protobuf.FieldDescriptorProto field = 2;
   for (int i = 0; i < this->field_size(); i++) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       2, this->field(i), output);
   }
-  
+
   // repeated .google.protobuf.DescriptorProto nested_type = 3;
   for (int i = 0; i < this->nested_type_size(); i++) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       3, this->nested_type(i), output);
   }
-  
+
   // repeated .google.protobuf.EnumDescriptorProto enum_type = 4;
   for (int i = 0; i < this->enum_type_size(); i++) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       4, this->enum_type(i), output);
   }
-  
+
   // repeated .google.protobuf.DescriptorProto.ExtensionRange extension_range = 5;
   for (int i = 0; i < this->extension_range_size(); i++) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       5, this->extension_range(i), output);
   }
-  
+
   // repeated .google.protobuf.FieldDescriptorProto extension = 6;
   for (int i = 0; i < this->extension_size(); i++) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       6, this->extension(i), output);
   }
-  
+
   // optional .google.protobuf.MessageOptions options = 7;
-  if (_has_bit(6)) {
+  if (has_options()) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       7, this->options(), output);
   }
-  
+
   if (!unknown_fields().empty()) {
     ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
         unknown_fields(), output);
@@ -1919,7 +2144,7 @@ void DescriptorProto::SerializeWithCachedSizes(
 ::google::protobuf::uint8* DescriptorProto::SerializeWithCachedSizesToArray(
     ::google::protobuf::uint8* target) const {
   // optional string name = 1;
-  if (_has_bit(0)) {
+  if (has_name()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->name().data(), this->name().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -1927,49 +2152,49 @@ void DescriptorProto::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         1, this->name(), target);
   }
-  
+
   // repeated .google.protobuf.FieldDescriptorProto field = 2;
   for (int i = 0; i < this->field_size(); i++) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         2, this->field(i), target);
   }
-  
+
   // repeated .google.protobuf.DescriptorProto nested_type = 3;
   for (int i = 0; i < this->nested_type_size(); i++) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         3, this->nested_type(i), target);
   }
-  
+
   // repeated .google.protobuf.EnumDescriptorProto enum_type = 4;
   for (int i = 0; i < this->enum_type_size(); i++) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         4, this->enum_type(i), target);
   }
-  
+
   // repeated .google.protobuf.DescriptorProto.ExtensionRange extension_range = 5;
   for (int i = 0; i < this->extension_range_size(); i++) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         5, this->extension_range(i), target);
   }
-  
+
   // repeated .google.protobuf.FieldDescriptorProto extension = 6;
   for (int i = 0; i < this->extension_size(); i++) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         6, this->extension(i), target);
   }
-  
+
   // optional .google.protobuf.MessageOptions options = 7;
-  if (_has_bit(6)) {
+  if (has_options()) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         7, this->options(), target);
   }
-  
+
   if (!unknown_fields().empty()) {
     target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
         unknown_fields(), target);
@@ -1979,7 +2204,7 @@ void DescriptorProto::SerializeWithCachedSizes(
 
 int DescriptorProto::ByteSize() const {
   int total_size = 0;
-  
+
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
     // optional string name = 1;
     if (has_name()) {
@@ -1987,14 +2212,14 @@ int DescriptorProto::ByteSize() const {
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->name());
     }
-    
+
     // optional .google.protobuf.MessageOptions options = 7;
     if (has_options()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
           this->options());
     }
-    
+
   }
   // repeated .google.protobuf.FieldDescriptorProto field = 2;
   total_size += 1 * this->field_size();
@@ -2003,7 +2228,7 @@ int DescriptorProto::ByteSize() const {
       ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
         this->field(i));
   }
-  
+
   // repeated .google.protobuf.FieldDescriptorProto extension = 6;
   total_size += 1 * this->extension_size();
   for (int i = 0; i < this->extension_size(); i++) {
@@ -2011,7 +2236,7 @@ int DescriptorProto::ByteSize() const {
       ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
         this->extension(i));
   }
-  
+
   // repeated .google.protobuf.DescriptorProto nested_type = 3;
   total_size += 1 * this->nested_type_size();
   for (int i = 0; i < this->nested_type_size(); i++) {
@@ -2019,7 +2244,7 @@ int DescriptorProto::ByteSize() const {
       ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
         this->nested_type(i));
   }
-  
+
   // repeated .google.protobuf.EnumDescriptorProto enum_type = 4;
   total_size += 1 * this->enum_type_size();
   for (int i = 0; i < this->enum_type_size(); i++) {
@@ -2027,7 +2252,7 @@ int DescriptorProto::ByteSize() const {
       ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
         this->enum_type(i));
   }
-  
+
   // repeated .google.protobuf.DescriptorProto.ExtensionRange extension_range = 5;
   total_size += 1 * this->extension_range_size();
   for (int i = 0; i < this->extension_range_size(); i++) {
@@ -2035,7 +2260,7 @@ int DescriptorProto::ByteSize() const {
       ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
         this->extension_range(i));
   }
-  
+
   if (!unknown_fields().empty()) {
     total_size +=
       ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
@@ -2067,10 +2292,10 @@ void DescriptorProto::MergeFrom(const DescriptorProto& from) {
   enum_type_.MergeFrom(from.enum_type_);
   extension_range_.MergeFrom(from.extension_range_);
   if (from._has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (from._has_bit(0)) {
+    if (from.has_name()) {
       set_name(from.name());
     }
-    if (from._has_bit(6)) {
+    if (from.has_options()) {
       mutable_options()->::google::protobuf::MessageOptions::MergeFrom(from.options());
     }
   }
@@ -2090,7 +2315,7 @@ void DescriptorProto::CopyFrom(const DescriptorProto& from) {
 }
 
 bool DescriptorProto::IsInitialized() const {
-  
+
   for (int i = 0; i < field_size(); i++) {
     if (!this->field(i).IsInitialized()) return false;
   }
@@ -2211,10 +2436,6 @@ const FieldDescriptorProto_Label FieldDescriptorProto::Label_MIN;
 const FieldDescriptorProto_Label FieldDescriptorProto::Label_MAX;
 const int FieldDescriptorProto::Label_ARRAYSIZE;
 #endif  // _MSC_VER
-const ::std::string FieldDescriptorProto::_default_name_;
-const ::std::string FieldDescriptorProto::_default_type_name_;
-const ::std::string FieldDescriptorProto::_default_extendee_;
-const ::std::string FieldDescriptorProto::_default_default_value_;
 #ifndef _MSC_VER
 const int FieldDescriptorProto::kNameFieldNumber;
 const int FieldDescriptorProto::kNumberFieldNumber;
@@ -2243,13 +2464,13 @@ FieldDescriptorProto::FieldDescriptorProto(const FieldDescriptorProto& from)
 
 void FieldDescriptorProto::SharedCtor() {
   _cached_size_ = 0;
-  name_ = const_cast< ::std::string*>(&_default_name_);
+  name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
   number_ = 0;
   label_ = 1;
   type_ = 1;
-  type_name_ = const_cast< ::std::string*>(&_default_type_name_);
-  extendee_ = const_cast< ::std::string*>(&_default_extendee_);
-  default_value_ = const_cast< ::std::string*>(&_default_default_value_);
+  type_name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  extendee_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  default_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
   options_ = NULL;
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
 }
@@ -2259,16 +2480,16 @@ FieldDescriptorProto::~FieldDescriptorProto() {
 }
 
 void FieldDescriptorProto::SharedDtor() {
-  if (name_ != &_default_name_) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
     delete name_;
   }
-  if (type_name_ != &_default_type_name_) {
+  if (type_name_ != &::google::protobuf::internal::kEmptyString) {
     delete type_name_;
   }
-  if (extendee_ != &_default_extendee_) {
+  if (extendee_ != &::google::protobuf::internal::kEmptyString) {
     delete extendee_;
   }
-  if (default_value_ != &_default_default_value_) {
+  if (default_value_ != &::google::protobuf::internal::kEmptyString) {
     delete default_value_;
   }
   if (this != default_instance_) {
@@ -2287,7 +2508,8 @@ const ::google::protobuf::Descriptor* FieldDescriptorProto::descriptor() {
 }
 
 const FieldDescriptorProto& FieldDescriptorProto::default_instance() {
-  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();  return *default_instance_;
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  return *default_instance_;
 }
 
 FieldDescriptorProto* FieldDescriptorProto::default_instance_ = NULL;
@@ -2298,30 +2520,30 @@ FieldDescriptorProto* FieldDescriptorProto::New() const {
 
 void FieldDescriptorProto::Clear() {
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (_has_bit(0)) {
-      if (name_ != &_default_name_) {
+    if (has_name()) {
+      if (name_ != &::google::protobuf::internal::kEmptyString) {
         name_->clear();
       }
     }
     number_ = 0;
     label_ = 1;
     type_ = 1;
-    if (_has_bit(4)) {
-      if (type_name_ != &_default_type_name_) {
+    if (has_type_name()) {
+      if (type_name_ != &::google::protobuf::internal::kEmptyString) {
         type_name_->clear();
       }
     }
-    if (_has_bit(5)) {
-      if (extendee_ != &_default_extendee_) {
+    if (has_extendee()) {
+      if (extendee_ != &::google::protobuf::internal::kEmptyString) {
         extendee_->clear();
       }
     }
-    if (_has_bit(6)) {
-      if (default_value_ != &_default_default_value_) {
+    if (has_default_value()) {
+      if (default_value_ != &::google::protobuf::internal::kEmptyString) {
         default_value_->clear();
       }
     }
-    if (_has_bit(7)) {
+    if (has_options()) {
       if (options_ != NULL) options_->::google::protobuf::FieldOptions::Clear();
     }
   }
@@ -2350,7 +2572,7 @@ bool FieldDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(18)) goto parse_extendee;
         break;
       }
-      
+
       // optional string extendee = 2;
       case 2: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -2367,7 +2589,7 @@ bool FieldDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(24)) goto parse_number;
         break;
       }
-      
+
       // optional int32 number = 3;
       case 3: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -2376,14 +2598,14 @@ bool FieldDescriptorProto::MergePartialFromCodedStream(
           DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
                    ::google::protobuf::int32, ::google::protobuf::internal::WireFormatLite::TYPE_INT32>(
                  input, &number_)));
-          _set_bit(1);
+          set_has_number();
         } else {
           goto handle_uninterpreted;
         }
         if (input->ExpectTag(32)) goto parse_label;
         break;
       }
-      
+
       // optional .google.protobuf.FieldDescriptorProto.Label label = 4;
       case 4: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -2404,7 +2626,7 @@ bool FieldDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(40)) goto parse_type;
         break;
       }
-      
+
       // optional .google.protobuf.FieldDescriptorProto.Type type = 5;
       case 5: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -2425,7 +2647,7 @@ bool FieldDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(50)) goto parse_type_name;
         break;
       }
-      
+
       // optional string type_name = 6;
       case 6: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -2442,7 +2664,7 @@ bool FieldDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(58)) goto parse_default_value;
         break;
       }
-      
+
       // optional string default_value = 7;
       case 7: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -2459,7 +2681,7 @@ bool FieldDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(66)) goto parse_options;
         break;
       }
-      
+
       // optional .google.protobuf.FieldOptions options = 8;
       case 8: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -2473,7 +2695,7 @@ bool FieldDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectAtEnd()) return true;
         break;
       }
-      
+
       default: {
       handle_uninterpreted:
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -2493,64 +2715,64 @@ bool FieldDescriptorProto::MergePartialFromCodedStream(
 void FieldDescriptorProto::SerializeWithCachedSizes(
     ::google::protobuf::io::CodedOutputStream* output) const {
   // optional string name = 1;
-  if (_has_bit(0)) {
+  if (has_name()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->name().data(), this->name().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       1, this->name(), output);
   }
-  
+
   // optional string extendee = 2;
-  if (_has_bit(5)) {
+  if (has_extendee()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->extendee().data(), this->extendee().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       2, this->extendee(), output);
   }
-  
+
   // optional int32 number = 3;
-  if (_has_bit(1)) {
+  if (has_number()) {
     ::google::protobuf::internal::WireFormatLite::WriteInt32(3, this->number(), output);
   }
-  
+
   // optional .google.protobuf.FieldDescriptorProto.Label label = 4;
-  if (_has_bit(2)) {
+  if (has_label()) {
     ::google::protobuf::internal::WireFormatLite::WriteEnum(
       4, this->label(), output);
   }
-  
+
   // optional .google.protobuf.FieldDescriptorProto.Type type = 5;
-  if (_has_bit(3)) {
+  if (has_type()) {
     ::google::protobuf::internal::WireFormatLite::WriteEnum(
       5, this->type(), output);
   }
-  
+
   // optional string type_name = 6;
-  if (_has_bit(4)) {
+  if (has_type_name()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->type_name().data(), this->type_name().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       6, this->type_name(), output);
   }
-  
+
   // optional string default_value = 7;
-  if (_has_bit(6)) {
+  if (has_default_value()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->default_value().data(), this->default_value().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       7, this->default_value(), output);
   }
-  
+
   // optional .google.protobuf.FieldOptions options = 8;
-  if (_has_bit(7)) {
+  if (has_options()) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       8, this->options(), output);
   }
-  
+
   if (!unknown_fields().empty()) {
     ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
         unknown_fields(), output);
@@ -2560,7 +2782,7 @@ void FieldDescriptorProto::SerializeWithCachedSizes(
 ::google::protobuf::uint8* FieldDescriptorProto::SerializeWithCachedSizesToArray(
     ::google::protobuf::uint8* target) const {
   // optional string name = 1;
-  if (_has_bit(0)) {
+  if (has_name()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->name().data(), this->name().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -2568,9 +2790,9 @@ void FieldDescriptorProto::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         1, this->name(), target);
   }
-  
+
   // optional string extendee = 2;
-  if (_has_bit(5)) {
+  if (has_extendee()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->extendee().data(), this->extendee().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -2578,26 +2800,26 @@ void FieldDescriptorProto::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         2, this->extendee(), target);
   }
-  
+
   // optional int32 number = 3;
-  if (_has_bit(1)) {
+  if (has_number()) {
     target = ::google::protobuf::internal::WireFormatLite::WriteInt32ToArray(3, this->number(), target);
   }
-  
+
   // optional .google.protobuf.FieldDescriptorProto.Label label = 4;
-  if (_has_bit(2)) {
+  if (has_label()) {
     target = ::google::protobuf::internal::WireFormatLite::WriteEnumToArray(
       4, this->label(), target);
   }
-  
+
   // optional .google.protobuf.FieldDescriptorProto.Type type = 5;
-  if (_has_bit(3)) {
+  if (has_type()) {
     target = ::google::protobuf::internal::WireFormatLite::WriteEnumToArray(
       5, this->type(), target);
   }
-  
+
   // optional string type_name = 6;
-  if (_has_bit(4)) {
+  if (has_type_name()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->type_name().data(), this->type_name().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -2605,9 +2827,9 @@ void FieldDescriptorProto::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         6, this->type_name(), target);
   }
-  
+
   // optional string default_value = 7;
-  if (_has_bit(6)) {
+  if (has_default_value()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->default_value().data(), this->default_value().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -2615,14 +2837,14 @@ void FieldDescriptorProto::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         7, this->default_value(), target);
   }
-  
+
   // optional .google.protobuf.FieldOptions options = 8;
-  if (_has_bit(7)) {
+  if (has_options()) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         8, this->options(), target);
   }
-  
+
   if (!unknown_fields().empty()) {
     target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
         unknown_fields(), target);
@@ -2632,7 +2854,7 @@ void FieldDescriptorProto::SerializeWithCachedSizes(
 
 int FieldDescriptorProto::ByteSize() const {
   int total_size = 0;
-  
+
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
     // optional string name = 1;
     if (has_name()) {
@@ -2640,54 +2862,54 @@ int FieldDescriptorProto::ByteSize() const {
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->name());
     }
-    
+
     // optional int32 number = 3;
     if (has_number()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::Int32Size(
           this->number());
     }
-    
+
     // optional .google.protobuf.FieldDescriptorProto.Label label = 4;
     if (has_label()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::EnumSize(this->label());
     }
-    
+
     // optional .google.protobuf.FieldDescriptorProto.Type type = 5;
     if (has_type()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::EnumSize(this->type());
     }
-    
+
     // optional string type_name = 6;
     if (has_type_name()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->type_name());
     }
-    
+
     // optional string extendee = 2;
     if (has_extendee()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->extendee());
     }
-    
+
     // optional string default_value = 7;
     if (has_default_value()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->default_value());
     }
-    
+
     // optional .google.protobuf.FieldOptions options = 8;
     if (has_options()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
           this->options());
     }
-    
+
   }
   if (!unknown_fields().empty()) {
     total_size +=
@@ -2715,28 +2937,28 @@ void FieldDescriptorProto::MergeFrom(const ::google::protobuf::Message& from) {
 void FieldDescriptorProto::MergeFrom(const FieldDescriptorProto& from) {
   GOOGLE_CHECK_NE(&from, this);
   if (from._has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (from._has_bit(0)) {
+    if (from.has_name()) {
       set_name(from.name());
     }
-    if (from._has_bit(1)) {
+    if (from.has_number()) {
       set_number(from.number());
     }
-    if (from._has_bit(2)) {
+    if (from.has_label()) {
       set_label(from.label());
     }
-    if (from._has_bit(3)) {
+    if (from.has_type()) {
       set_type(from.type());
     }
-    if (from._has_bit(4)) {
+    if (from.has_type_name()) {
       set_type_name(from.type_name());
     }
-    if (from._has_bit(5)) {
+    if (from.has_extendee()) {
       set_extendee(from.extendee());
     }
-    if (from._has_bit(6)) {
+    if (from.has_default_value()) {
       set_default_value(from.default_value());
     }
-    if (from._has_bit(7)) {
+    if (from.has_options()) {
       mutable_options()->::google::protobuf::FieldOptions::MergeFrom(from.options());
     }
   }
@@ -2756,7 +2978,7 @@ void FieldDescriptorProto::CopyFrom(const FieldDescriptorProto& from) {
 }
 
 bool FieldDescriptorProto::IsInitialized() const {
-  
+
   if (has_options()) {
     if (!this->options().IsInitialized()) return false;
   }
@@ -2790,7 +3012,6 @@ void FieldDescriptorProto::Swap(FieldDescriptorProto* other) {
 
 // ===================================================================
 
-const ::std::string EnumDescriptorProto::_default_name_;
 #ifndef _MSC_VER
 const int EnumDescriptorProto::kNameFieldNumber;
 const int EnumDescriptorProto::kValueFieldNumber;
@@ -2814,7 +3035,7 @@ EnumDescriptorProto::EnumDescriptorProto(const EnumDescriptorProto& from)
 
 void EnumDescriptorProto::SharedCtor() {
   _cached_size_ = 0;
-  name_ = const_cast< ::std::string*>(&_default_name_);
+  name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
   options_ = NULL;
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
 }
@@ -2824,7 +3045,7 @@ EnumDescriptorProto::~EnumDescriptorProto() {
 }
 
 void EnumDescriptorProto::SharedDtor() {
-  if (name_ != &_default_name_) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
     delete name_;
   }
   if (this != default_instance_) {
@@ -2843,7 +3064,8 @@ const ::google::protobuf::Descriptor* EnumDescriptorProto::descriptor() {
 }
 
 const EnumDescriptorProto& EnumDescriptorProto::default_instance() {
-  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();  return *default_instance_;
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  return *default_instance_;
 }
 
 EnumDescriptorProto* EnumDescriptorProto::default_instance_ = NULL;
@@ -2854,12 +3076,12 @@ EnumDescriptorProto* EnumDescriptorProto::New() const {
 
 void EnumDescriptorProto::Clear() {
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (_has_bit(0)) {
-      if (name_ != &_default_name_) {
+    if (has_name()) {
+      if (name_ != &::google::protobuf::internal::kEmptyString) {
         name_->clear();
       }
     }
-    if (_has_bit(2)) {
+    if (has_options()) {
       if (options_ != NULL) options_->::google::protobuf::EnumOptions::Clear();
     }
   }
@@ -2889,7 +3111,7 @@ bool EnumDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(18)) goto parse_value;
         break;
       }
-      
+
       // repeated .google.protobuf.EnumValueDescriptorProto value = 2;
       case 2: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -2904,7 +3126,7 @@ bool EnumDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(26)) goto parse_options;
         break;
       }
-      
+
       // optional .google.protobuf.EnumOptions options = 3;
       case 3: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -2918,7 +3140,7 @@ bool EnumDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectAtEnd()) return true;
         break;
       }
-      
+
       default: {
       handle_uninterpreted:
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -2938,26 +3160,26 @@ bool EnumDescriptorProto::MergePartialFromCodedStream(
 void EnumDescriptorProto::SerializeWithCachedSizes(
     ::google::protobuf::io::CodedOutputStream* output) const {
   // optional string name = 1;
-  if (_has_bit(0)) {
+  if (has_name()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->name().data(), this->name().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       1, this->name(), output);
   }
-  
+
   // repeated .google.protobuf.EnumValueDescriptorProto value = 2;
   for (int i = 0; i < this->value_size(); i++) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       2, this->value(i), output);
   }
-  
+
   // optional .google.protobuf.EnumOptions options = 3;
-  if (_has_bit(2)) {
+  if (has_options()) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       3, this->options(), output);
   }
-  
+
   if (!unknown_fields().empty()) {
     ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
         unknown_fields(), output);
@@ -2967,7 +3189,7 @@ void EnumDescriptorProto::SerializeWithCachedSizes(
 ::google::protobuf::uint8* EnumDescriptorProto::SerializeWithCachedSizesToArray(
     ::google::protobuf::uint8* target) const {
   // optional string name = 1;
-  if (_has_bit(0)) {
+  if (has_name()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->name().data(), this->name().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -2975,21 +3197,21 @@ void EnumDescriptorProto::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         1, this->name(), target);
   }
-  
+
   // repeated .google.protobuf.EnumValueDescriptorProto value = 2;
   for (int i = 0; i < this->value_size(); i++) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         2, this->value(i), target);
   }
-  
+
   // optional .google.protobuf.EnumOptions options = 3;
-  if (_has_bit(2)) {
+  if (has_options()) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         3, this->options(), target);
   }
-  
+
   if (!unknown_fields().empty()) {
     target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
         unknown_fields(), target);
@@ -2999,7 +3221,7 @@ void EnumDescriptorProto::SerializeWithCachedSizes(
 
 int EnumDescriptorProto::ByteSize() const {
   int total_size = 0;
-  
+
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
     // optional string name = 1;
     if (has_name()) {
@@ -3007,14 +3229,14 @@ int EnumDescriptorProto::ByteSize() const {
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->name());
     }
-    
+
     // optional .google.protobuf.EnumOptions options = 3;
     if (has_options()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
           this->options());
     }
-    
+
   }
   // repeated .google.protobuf.EnumValueDescriptorProto value = 2;
   total_size += 1 * this->value_size();
@@ -3023,7 +3245,7 @@ int EnumDescriptorProto::ByteSize() const {
       ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
         this->value(i));
   }
-  
+
   if (!unknown_fields().empty()) {
     total_size +=
       ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
@@ -3051,10 +3273,10 @@ void EnumDescriptorProto::MergeFrom(const EnumDescriptorProto& from) {
   GOOGLE_CHECK_NE(&from, this);
   value_.MergeFrom(from.value_);
   if (from._has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (from._has_bit(0)) {
+    if (from.has_name()) {
       set_name(from.name());
     }
-    if (from._has_bit(2)) {
+    if (from.has_options()) {
       mutable_options()->::google::protobuf::EnumOptions::MergeFrom(from.options());
     }
   }
@@ -3074,7 +3296,7 @@ void EnumDescriptorProto::CopyFrom(const EnumDescriptorProto& from) {
 }
 
 bool EnumDescriptorProto::IsInitialized() const {
-  
+
   for (int i = 0; i < value_size(); i++) {
     if (!this->value(i).IsInitialized()) return false;
   }
@@ -3106,7 +3328,6 @@ void EnumDescriptorProto::Swap(EnumDescriptorProto* other) {
 
 // ===================================================================
 
-const ::std::string EnumValueDescriptorProto::_default_name_;
 #ifndef _MSC_VER
 const int EnumValueDescriptorProto::kNameFieldNumber;
 const int EnumValueDescriptorProto::kNumberFieldNumber;
@@ -3130,7 +3351,7 @@ EnumValueDescriptorProto::EnumValueDescriptorProto(const EnumValueDescriptorProt
 
 void EnumValueDescriptorProto::SharedCtor() {
   _cached_size_ = 0;
-  name_ = const_cast< ::std::string*>(&_default_name_);
+  name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
   number_ = 0;
   options_ = NULL;
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
@@ -3141,7 +3362,7 @@ EnumValueDescriptorProto::~EnumValueDescriptorProto() {
 }
 
 void EnumValueDescriptorProto::SharedDtor() {
-  if (name_ != &_default_name_) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
     delete name_;
   }
   if (this != default_instance_) {
@@ -3160,7 +3381,8 @@ const ::google::protobuf::Descriptor* EnumValueDescriptorProto::descriptor() {
 }
 
 const EnumValueDescriptorProto& EnumValueDescriptorProto::default_instance() {
-  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();  return *default_instance_;
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  return *default_instance_;
 }
 
 EnumValueDescriptorProto* EnumValueDescriptorProto::default_instance_ = NULL;
@@ -3171,13 +3393,13 @@ EnumValueDescriptorProto* EnumValueDescriptorProto::New() const {
 
 void EnumValueDescriptorProto::Clear() {
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (_has_bit(0)) {
-      if (name_ != &_default_name_) {
+    if (has_name()) {
+      if (name_ != &::google::protobuf::internal::kEmptyString) {
         name_->clear();
       }
     }
     number_ = 0;
-    if (_has_bit(2)) {
+    if (has_options()) {
       if (options_ != NULL) options_->::google::protobuf::EnumValueOptions::Clear();
     }
   }
@@ -3206,7 +3428,7 @@ bool EnumValueDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(16)) goto parse_number;
         break;
       }
-      
+
       // optional int32 number = 2;
       case 2: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -3215,14 +3437,14 @@ bool EnumValueDescriptorProto::MergePartialFromCodedStream(
           DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
                    ::google::protobuf::int32, ::google::protobuf::internal::WireFormatLite::TYPE_INT32>(
                  input, &number_)));
-          _set_bit(1);
+          set_has_number();
         } else {
           goto handle_uninterpreted;
         }
         if (input->ExpectTag(26)) goto parse_options;
         break;
       }
-      
+
       // optional .google.protobuf.EnumValueOptions options = 3;
       case 3: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -3236,7 +3458,7 @@ bool EnumValueDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectAtEnd()) return true;
         break;
       }
-      
+
       default: {
       handle_uninterpreted:
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -3256,25 +3478,25 @@ bool EnumValueDescriptorProto::MergePartialFromCodedStream(
 void EnumValueDescriptorProto::SerializeWithCachedSizes(
     ::google::protobuf::io::CodedOutputStream* output) const {
   // optional string name = 1;
-  if (_has_bit(0)) {
+  if (has_name()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->name().data(), this->name().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       1, this->name(), output);
   }
-  
+
   // optional int32 number = 2;
-  if (_has_bit(1)) {
+  if (has_number()) {
     ::google::protobuf::internal::WireFormatLite::WriteInt32(2, this->number(), output);
   }
-  
+
   // optional .google.protobuf.EnumValueOptions options = 3;
-  if (_has_bit(2)) {
+  if (has_options()) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       3, this->options(), output);
   }
-  
+
   if (!unknown_fields().empty()) {
     ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
         unknown_fields(), output);
@@ -3284,7 +3506,7 @@ void EnumValueDescriptorProto::SerializeWithCachedSizes(
 ::google::protobuf::uint8* EnumValueDescriptorProto::SerializeWithCachedSizesToArray(
     ::google::protobuf::uint8* target) const {
   // optional string name = 1;
-  if (_has_bit(0)) {
+  if (has_name()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->name().data(), this->name().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -3292,19 +3514,19 @@ void EnumValueDescriptorProto::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         1, this->name(), target);
   }
-  
+
   // optional int32 number = 2;
-  if (_has_bit(1)) {
+  if (has_number()) {
     target = ::google::protobuf::internal::WireFormatLite::WriteInt32ToArray(2, this->number(), target);
   }
-  
+
   // optional .google.protobuf.EnumValueOptions options = 3;
-  if (_has_bit(2)) {
+  if (has_options()) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         3, this->options(), target);
   }
-  
+
   if (!unknown_fields().empty()) {
     target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
         unknown_fields(), target);
@@ -3314,7 +3536,7 @@ void EnumValueDescriptorProto::SerializeWithCachedSizes(
 
 int EnumValueDescriptorProto::ByteSize() const {
   int total_size = 0;
-  
+
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
     // optional string name = 1;
     if (has_name()) {
@@ -3322,21 +3544,21 @@ int EnumValueDescriptorProto::ByteSize() const {
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->name());
     }
-    
+
     // optional int32 number = 2;
     if (has_number()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::Int32Size(
           this->number());
     }
-    
+
     // optional .google.protobuf.EnumValueOptions options = 3;
     if (has_options()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
           this->options());
     }
-    
+
   }
   if (!unknown_fields().empty()) {
     total_size +=
@@ -3364,13 +3586,13 @@ void EnumValueDescriptorProto::MergeFrom(const ::google::protobuf::Message& from
 void EnumValueDescriptorProto::MergeFrom(const EnumValueDescriptorProto& from) {
   GOOGLE_CHECK_NE(&from, this);
   if (from._has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (from._has_bit(0)) {
+    if (from.has_name()) {
       set_name(from.name());
     }
-    if (from._has_bit(1)) {
+    if (from.has_number()) {
       set_number(from.number());
     }
-    if (from._has_bit(2)) {
+    if (from.has_options()) {
       mutable_options()->::google::protobuf::EnumValueOptions::MergeFrom(from.options());
     }
   }
@@ -3390,7 +3612,7 @@ void EnumValueDescriptorProto::CopyFrom(const EnumValueDescriptorProto& from) {
 }
 
 bool EnumValueDescriptorProto::IsInitialized() const {
-  
+
   if (has_options()) {
     if (!this->options().IsInitialized()) return false;
   }
@@ -3419,7 +3641,6 @@ void EnumValueDescriptorProto::Swap(EnumValueDescriptorProto* other) {
 
 // ===================================================================
 
-const ::std::string ServiceDescriptorProto::_default_name_;
 #ifndef _MSC_VER
 const int ServiceDescriptorProto::kNameFieldNumber;
 const int ServiceDescriptorProto::kMethodFieldNumber;
@@ -3443,7 +3664,7 @@ ServiceDescriptorProto::ServiceDescriptorProto(const ServiceDescriptorProto& fro
 
 void ServiceDescriptorProto::SharedCtor() {
   _cached_size_ = 0;
-  name_ = const_cast< ::std::string*>(&_default_name_);
+  name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
   options_ = NULL;
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
 }
@@ -3453,7 +3674,7 @@ ServiceDescriptorProto::~ServiceDescriptorProto() {
 }
 
 void ServiceDescriptorProto::SharedDtor() {
-  if (name_ != &_default_name_) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
     delete name_;
   }
   if (this != default_instance_) {
@@ -3472,7 +3693,8 @@ const ::google::protobuf::Descriptor* ServiceDescriptorProto::descriptor() {
 }
 
 const ServiceDescriptorProto& ServiceDescriptorProto::default_instance() {
-  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();  return *default_instance_;
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  return *default_instance_;
 }
 
 ServiceDescriptorProto* ServiceDescriptorProto::default_instance_ = NULL;
@@ -3483,12 +3705,12 @@ ServiceDescriptorProto* ServiceDescriptorProto::New() const {
 
 void ServiceDescriptorProto::Clear() {
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (_has_bit(0)) {
-      if (name_ != &_default_name_) {
+    if (has_name()) {
+      if (name_ != &::google::protobuf::internal::kEmptyString) {
         name_->clear();
       }
     }
-    if (_has_bit(2)) {
+    if (has_options()) {
       if (options_ != NULL) options_->::google::protobuf::ServiceOptions::Clear();
     }
   }
@@ -3518,7 +3740,7 @@ bool ServiceDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(18)) goto parse_method;
         break;
       }
-      
+
       // repeated .google.protobuf.MethodDescriptorProto method = 2;
       case 2: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -3533,7 +3755,7 @@ bool ServiceDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(26)) goto parse_options;
         break;
       }
-      
+
       // optional .google.protobuf.ServiceOptions options = 3;
       case 3: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -3547,7 +3769,7 @@ bool ServiceDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectAtEnd()) return true;
         break;
       }
-      
+
       default: {
       handle_uninterpreted:
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -3567,26 +3789,26 @@ bool ServiceDescriptorProto::MergePartialFromCodedStream(
 void ServiceDescriptorProto::SerializeWithCachedSizes(
     ::google::protobuf::io::CodedOutputStream* output) const {
   // optional string name = 1;
-  if (_has_bit(0)) {
+  if (has_name()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->name().data(), this->name().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       1, this->name(), output);
   }
-  
+
   // repeated .google.protobuf.MethodDescriptorProto method = 2;
   for (int i = 0; i < this->method_size(); i++) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       2, this->method(i), output);
   }
-  
+
   // optional .google.protobuf.ServiceOptions options = 3;
-  if (_has_bit(2)) {
+  if (has_options()) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       3, this->options(), output);
   }
-  
+
   if (!unknown_fields().empty()) {
     ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
         unknown_fields(), output);
@@ -3596,7 +3818,7 @@ void ServiceDescriptorProto::SerializeWithCachedSizes(
 ::google::protobuf::uint8* ServiceDescriptorProto::SerializeWithCachedSizesToArray(
     ::google::protobuf::uint8* target) const {
   // optional string name = 1;
-  if (_has_bit(0)) {
+  if (has_name()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->name().data(), this->name().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -3604,21 +3826,21 @@ void ServiceDescriptorProto::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         1, this->name(), target);
   }
-  
+
   // repeated .google.protobuf.MethodDescriptorProto method = 2;
   for (int i = 0; i < this->method_size(); i++) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         2, this->method(i), target);
   }
-  
+
   // optional .google.protobuf.ServiceOptions options = 3;
-  if (_has_bit(2)) {
+  if (has_options()) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         3, this->options(), target);
   }
-  
+
   if (!unknown_fields().empty()) {
     target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
         unknown_fields(), target);
@@ -3628,7 +3850,7 @@ void ServiceDescriptorProto::SerializeWithCachedSizes(
 
 int ServiceDescriptorProto::ByteSize() const {
   int total_size = 0;
-  
+
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
     // optional string name = 1;
     if (has_name()) {
@@ -3636,14 +3858,14 @@ int ServiceDescriptorProto::ByteSize() const {
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->name());
     }
-    
+
     // optional .google.protobuf.ServiceOptions options = 3;
     if (has_options()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
           this->options());
     }
-    
+
   }
   // repeated .google.protobuf.MethodDescriptorProto method = 2;
   total_size += 1 * this->method_size();
@@ -3652,7 +3874,7 @@ int ServiceDescriptorProto::ByteSize() const {
       ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
         this->method(i));
   }
-  
+
   if (!unknown_fields().empty()) {
     total_size +=
       ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
@@ -3680,10 +3902,10 @@ void ServiceDescriptorProto::MergeFrom(const ServiceDescriptorProto& from) {
   GOOGLE_CHECK_NE(&from, this);
   method_.MergeFrom(from.method_);
   if (from._has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (from._has_bit(0)) {
+    if (from.has_name()) {
       set_name(from.name());
     }
-    if (from._has_bit(2)) {
+    if (from.has_options()) {
       mutable_options()->::google::protobuf::ServiceOptions::MergeFrom(from.options());
     }
   }
@@ -3703,7 +3925,7 @@ void ServiceDescriptorProto::CopyFrom(const ServiceDescriptorProto& from) {
 }
 
 bool ServiceDescriptorProto::IsInitialized() const {
-  
+
   for (int i = 0; i < method_size(); i++) {
     if (!this->method(i).IsInitialized()) return false;
   }
@@ -3735,9 +3957,6 @@ void ServiceDescriptorProto::Swap(ServiceDescriptorProto* other) {
 
 // ===================================================================
 
-const ::std::string MethodDescriptorProto::_default_name_;
-const ::std::string MethodDescriptorProto::_default_input_type_;
-const ::std::string MethodDescriptorProto::_default_output_type_;
 #ifndef _MSC_VER
 const int MethodDescriptorProto::kNameFieldNumber;
 const int MethodDescriptorProto::kInputTypeFieldNumber;
@@ -3762,9 +3981,9 @@ MethodDescriptorProto::MethodDescriptorProto(const MethodDescriptorProto& from)
 
 void MethodDescriptorProto::SharedCtor() {
   _cached_size_ = 0;
-  name_ = const_cast< ::std::string*>(&_default_name_);
-  input_type_ = const_cast< ::std::string*>(&_default_input_type_);
-  output_type_ = const_cast< ::std::string*>(&_default_output_type_);
+  name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  input_type_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  output_type_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
   options_ = NULL;
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
 }
@@ -3774,13 +3993,13 @@ MethodDescriptorProto::~MethodDescriptorProto() {
 }
 
 void MethodDescriptorProto::SharedDtor() {
-  if (name_ != &_default_name_) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
     delete name_;
   }
-  if (input_type_ != &_default_input_type_) {
+  if (input_type_ != &::google::protobuf::internal::kEmptyString) {
     delete input_type_;
   }
-  if (output_type_ != &_default_output_type_) {
+  if (output_type_ != &::google::protobuf::internal::kEmptyString) {
     delete output_type_;
   }
   if (this != default_instance_) {
@@ -3799,7 +4018,8 @@ const ::google::protobuf::Descriptor* MethodDescriptorProto::descriptor() {
 }
 
 const MethodDescriptorProto& MethodDescriptorProto::default_instance() {
-  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();  return *default_instance_;
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  return *default_instance_;
 }
 
 MethodDescriptorProto* MethodDescriptorProto::default_instance_ = NULL;
@@ -3810,22 +4030,22 @@ MethodDescriptorProto* MethodDescriptorProto::New() const {
 
 void MethodDescriptorProto::Clear() {
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (_has_bit(0)) {
-      if (name_ != &_default_name_) {
+    if (has_name()) {
+      if (name_ != &::google::protobuf::internal::kEmptyString) {
         name_->clear();
       }
     }
-    if (_has_bit(1)) {
-      if (input_type_ != &_default_input_type_) {
+    if (has_input_type()) {
+      if (input_type_ != &::google::protobuf::internal::kEmptyString) {
         input_type_->clear();
       }
     }
-    if (_has_bit(2)) {
-      if (output_type_ != &_default_output_type_) {
+    if (has_output_type()) {
+      if (output_type_ != &::google::protobuf::internal::kEmptyString) {
         output_type_->clear();
       }
     }
-    if (_has_bit(3)) {
+    if (has_options()) {
       if (options_ != NULL) options_->::google::protobuf::MethodOptions::Clear();
     }
   }
@@ -3854,7 +4074,7 @@ bool MethodDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(18)) goto parse_input_type;
         break;
       }
-      
+
       // optional string input_type = 2;
       case 2: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -3871,7 +4091,7 @@ bool MethodDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(26)) goto parse_output_type;
         break;
       }
-      
+
       // optional string output_type = 3;
       case 3: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -3888,7 +4108,7 @@ bool MethodDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectTag(34)) goto parse_options;
         break;
       }
-      
+
       // optional .google.protobuf.MethodOptions options = 4;
       case 4: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -3902,7 +4122,7 @@ bool MethodDescriptorProto::MergePartialFromCodedStream(
         if (input->ExpectAtEnd()) return true;
         break;
       }
-      
+
       default: {
       handle_uninterpreted:
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -3922,38 +4142,38 @@ bool MethodDescriptorProto::MergePartialFromCodedStream(
 void MethodDescriptorProto::SerializeWithCachedSizes(
     ::google::protobuf::io::CodedOutputStream* output) const {
   // optional string name = 1;
-  if (_has_bit(0)) {
+  if (has_name()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->name().data(), this->name().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       1, this->name(), output);
   }
-  
+
   // optional string input_type = 2;
-  if (_has_bit(1)) {
+  if (has_input_type()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->input_type().data(), this->input_type().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       2, this->input_type(), output);
   }
-  
+
   // optional string output_type = 3;
-  if (_has_bit(2)) {
+  if (has_output_type()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->output_type().data(), this->output_type().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       3, this->output_type(), output);
   }
-  
+
   // optional .google.protobuf.MethodOptions options = 4;
-  if (_has_bit(3)) {
+  if (has_options()) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       4, this->options(), output);
   }
-  
+
   if (!unknown_fields().empty()) {
     ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
         unknown_fields(), output);
@@ -3963,7 +4183,7 @@ void MethodDescriptorProto::SerializeWithCachedSizes(
 ::google::protobuf::uint8* MethodDescriptorProto::SerializeWithCachedSizesToArray(
     ::google::protobuf::uint8* target) const {
   // optional string name = 1;
-  if (_has_bit(0)) {
+  if (has_name()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->name().data(), this->name().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -3971,9 +4191,9 @@ void MethodDescriptorProto::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         1, this->name(), target);
   }
-  
+
   // optional string input_type = 2;
-  if (_has_bit(1)) {
+  if (has_input_type()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->input_type().data(), this->input_type().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -3981,9 +4201,9 @@ void MethodDescriptorProto::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         2, this->input_type(), target);
   }
-  
+
   // optional string output_type = 3;
-  if (_has_bit(2)) {
+  if (has_output_type()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->output_type().data(), this->output_type().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -3991,14 +4211,14 @@ void MethodDescriptorProto::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         3, this->output_type(), target);
   }
-  
+
   // optional .google.protobuf.MethodOptions options = 4;
-  if (_has_bit(3)) {
+  if (has_options()) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         4, this->options(), target);
   }
-  
+
   if (!unknown_fields().empty()) {
     target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
         unknown_fields(), target);
@@ -4008,7 +4228,7 @@ void MethodDescriptorProto::SerializeWithCachedSizes(
 
 int MethodDescriptorProto::ByteSize() const {
   int total_size = 0;
-  
+
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
     // optional string name = 1;
     if (has_name()) {
@@ -4016,28 +4236,28 @@ int MethodDescriptorProto::ByteSize() const {
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->name());
     }
-    
+
     // optional string input_type = 2;
     if (has_input_type()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->input_type());
     }
-    
+
     // optional string output_type = 3;
     if (has_output_type()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->output_type());
     }
-    
+
     // optional .google.protobuf.MethodOptions options = 4;
     if (has_options()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
           this->options());
     }
-    
+
   }
   if (!unknown_fields().empty()) {
     total_size +=
@@ -4065,16 +4285,16 @@ void MethodDescriptorProto::MergeFrom(const ::google::protobuf::Message& from) {
 void MethodDescriptorProto::MergeFrom(const MethodDescriptorProto& from) {
   GOOGLE_CHECK_NE(&from, this);
   if (from._has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (from._has_bit(0)) {
+    if (from.has_name()) {
       set_name(from.name());
     }
-    if (from._has_bit(1)) {
+    if (from.has_input_type()) {
       set_input_type(from.input_type());
     }
-    if (from._has_bit(2)) {
+    if (from.has_output_type()) {
       set_output_type(from.output_type());
     }
-    if (from._has_bit(3)) {
+    if (from.has_options()) {
       mutable_options()->::google::protobuf::MethodOptions::MergeFrom(from.options());
     }
   }
@@ -4094,7 +4314,7 @@ void MethodDescriptorProto::CopyFrom(const MethodDescriptorProto& from) {
 }
 
 bool MethodDescriptorProto::IsInitialized() const {
-  
+
   if (has_options()) {
     if (!this->options().IsInitialized()) return false;
   }
@@ -4147,13 +4367,13 @@ const FileOptions_OptimizeMode FileOptions::OptimizeMode_MIN;
 const FileOptions_OptimizeMode FileOptions::OptimizeMode_MAX;
 const int FileOptions::OptimizeMode_ARRAYSIZE;
 #endif  // _MSC_VER
-const ::std::string FileOptions::_default_java_package_;
-const ::std::string FileOptions::_default_java_outer_classname_;
 #ifndef _MSC_VER
 const int FileOptions::kJavaPackageFieldNumber;
 const int FileOptions::kJavaOuterClassnameFieldNumber;
 const int FileOptions::kJavaMultipleFilesFieldNumber;
+const int FileOptions::kJavaGenerateEqualsAndHashFieldNumber;
 const int FileOptions::kOptimizeForFieldNumber;
+const int FileOptions::kGoPackageFieldNumber;
 const int FileOptions::kCcGenericServicesFieldNumber;
 const int FileOptions::kJavaGenericServicesFieldNumber;
 const int FileOptions::kPyGenericServicesFieldNumber;
@@ -4176,13 +4396,15 @@ FileOptions::FileOptions(const FileOptions& from)
 
 void FileOptions::SharedCtor() {
   _cached_size_ = 0;
-  java_package_ = const_cast< ::std::string*>(&_default_java_package_);
-  java_outer_classname_ = const_cast< ::std::string*>(&_default_java_outer_classname_);
+  java_package_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  java_outer_classname_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
   java_multiple_files_ = false;
+  java_generate_equals_and_hash_ = false;
   optimize_for_ = 1;
-  cc_generic_services_ = true;
-  java_generic_services_ = true;
-  py_generic_services_ = true;
+  go_package_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  cc_generic_services_ = false;
+  java_generic_services_ = false;
+  py_generic_services_ = false;
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
 }
 
@@ -4191,12 +4413,15 @@ FileOptions::~FileOptions() {
 }
 
 void FileOptions::SharedDtor() {
-  if (java_package_ != &_default_java_package_) {
+  if (java_package_ != &::google::protobuf::internal::kEmptyString) {
     delete java_package_;
   }
-  if (java_outer_classname_ != &_default_java_outer_classname_) {
+  if (java_outer_classname_ != &::google::protobuf::internal::kEmptyString) {
     delete java_outer_classname_;
   }
+  if (go_package_ != &::google::protobuf::internal::kEmptyString) {
+    delete go_package_;
+  }
   if (this != default_instance_) {
   }
 }
@@ -4212,7 +4437,8 @@ const ::google::protobuf::Descriptor* FileOptions::descriptor() {
 }
 
 const FileOptions& FileOptions::default_instance() {
-  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();  return *default_instance_;
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  return *default_instance_;
 }
 
 FileOptions* FileOptions::default_instance_ = NULL;
@@ -4224,21 +4450,29 @@ FileOptions* FileOptions::New() const {
 void FileOptions::Clear() {
   _extensions_.Clear();
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (_has_bit(0)) {
-      if (java_package_ != &_default_java_package_) {
+    if (has_java_package()) {
+      if (java_package_ != &::google::protobuf::internal::kEmptyString) {
         java_package_->clear();
       }
     }
-    if (_has_bit(1)) {
-      if (java_outer_classname_ != &_default_java_outer_classname_) {
+    if (has_java_outer_classname()) {
+      if (java_outer_classname_ != &::google::protobuf::internal::kEmptyString) {
         java_outer_classname_->clear();
       }
     }
     java_multiple_files_ = false;
+    java_generate_equals_and_hash_ = false;
     optimize_for_ = 1;
-    cc_generic_services_ = true;
-    java_generic_services_ = true;
-    py_generic_services_ = true;
+    if (has_go_package()) {
+      if (go_package_ != &::google::protobuf::internal::kEmptyString) {
+        go_package_->clear();
+      }
+    }
+    cc_generic_services_ = false;
+    java_generic_services_ = false;
+  }
+  if (_has_bits_[8 / 32] & (0xffu << (8 % 32))) {
+    py_generic_services_ = false;
   }
   uninterpreted_option_.Clear();
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
@@ -4266,7 +4500,7 @@ bool FileOptions::MergePartialFromCodedStream(
         if (input->ExpectTag(66)) goto parse_java_outer_classname;
         break;
       }
-      
+
       // optional string java_outer_classname = 8;
       case 8: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -4283,7 +4517,7 @@ bool FileOptions::MergePartialFromCodedStream(
         if (input->ExpectTag(72)) goto parse_optimize_for;
         break;
       }
-      
+
       // optional .google.protobuf.FileOptions.OptimizeMode optimize_for = 9 [default = SPEED];
       case 9: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -4304,7 +4538,7 @@ bool FileOptions::MergePartialFromCodedStream(
         if (input->ExpectTag(80)) goto parse_java_multiple_files;
         break;
       }
-      
+
       // optional bool java_multiple_files = 10 [default = false];
       case 10: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -4313,15 +4547,32 @@ bool FileOptions::MergePartialFromCodedStream(
           DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
                    bool, ::google::protobuf::internal::WireFormatLite::TYPE_BOOL>(
                  input, &java_multiple_files_)));
-          _set_bit(2);
+          set_has_java_multiple_files();
+        } else {
+          goto handle_uninterpreted;
+        }
+        if (input->ExpectTag(90)) goto parse_go_package;
+        break;
+      }
+
+      // optional string go_package = 11;
+      case 11: {
+        if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
+            ::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED) {
+         parse_go_package:
+          DO_(::google::protobuf::internal::WireFormatLite::ReadString(
+                input, this->mutable_go_package()));
+          ::google::protobuf::internal::WireFormat::VerifyUTF8String(
+            this->go_package().data(), this->go_package().length(),
+            ::google::protobuf::internal::WireFormat::PARSE);
         } else {
           goto handle_uninterpreted;
         }
         if (input->ExpectTag(128)) goto parse_cc_generic_services;
         break;
       }
-      
-      // optional bool cc_generic_services = 16 [default = true];
+
+      // optional bool cc_generic_services = 16 [default = false];
       case 16: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
             ::google::protobuf::internal::WireFormatLite::WIRETYPE_VARINT) {
@@ -4329,15 +4580,15 @@ bool FileOptions::MergePartialFromCodedStream(
           DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
                    bool, ::google::protobuf::internal::WireFormatLite::TYPE_BOOL>(
                  input, &cc_generic_services_)));
-          _set_bit(4);
+          set_has_cc_generic_services();
         } else {
           goto handle_uninterpreted;
         }
         if (input->ExpectTag(136)) goto parse_java_generic_services;
         break;
       }
-      
-      // optional bool java_generic_services = 17 [default = true];
+
+      // optional bool java_generic_services = 17 [default = false];
       case 17: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
             ::google::protobuf::internal::WireFormatLite::WIRETYPE_VARINT) {
@@ -4345,15 +4596,15 @@ bool FileOptions::MergePartialFromCodedStream(
           DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
                    bool, ::google::protobuf::internal::WireFormatLite::TYPE_BOOL>(
                  input, &java_generic_services_)));
-          _set_bit(5);
+          set_has_java_generic_services();
         } else {
           goto handle_uninterpreted;
         }
         if (input->ExpectTag(144)) goto parse_py_generic_services;
         break;
       }
-      
-      // optional bool py_generic_services = 18 [default = true];
+
+      // optional bool py_generic_services = 18 [default = false];
       case 18: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
             ::google::protobuf::internal::WireFormatLite::WIRETYPE_VARINT) {
@@ -4361,14 +4612,30 @@ bool FileOptions::MergePartialFromCodedStream(
           DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
                    bool, ::google::protobuf::internal::WireFormatLite::TYPE_BOOL>(
                  input, &py_generic_services_)));
-          _set_bit(6);
+          set_has_py_generic_services();
+        } else {
+          goto handle_uninterpreted;
+        }
+        if (input->ExpectTag(160)) goto parse_java_generate_equals_and_hash;
+        break;
+      }
+
+      // optional bool java_generate_equals_and_hash = 20 [default = false];
+      case 20: {
+        if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
+            ::google::protobuf::internal::WireFormatLite::WIRETYPE_VARINT) {
+         parse_java_generate_equals_and_hash:
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
+                   bool, ::google::protobuf::internal::WireFormatLite::TYPE_BOOL>(
+                 input, &java_generate_equals_and_hash_)));
+          set_has_java_generate_equals_and_hash();
         } else {
           goto handle_uninterpreted;
         }
         if (input->ExpectTag(7994)) goto parse_uninterpreted_option;
         break;
       }
-      
+
       // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
       case 999: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -4383,7 +4650,7 @@ bool FileOptions::MergePartialFromCodedStream(
         if (input->ExpectAtEnd()) return true;
         break;
       }
-      
+
       default: {
       handle_uninterpreted:
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -4408,59 +4675,73 @@ bool FileOptions::MergePartialFromCodedStream(
 void FileOptions::SerializeWithCachedSizes(
     ::google::protobuf::io::CodedOutputStream* output) const {
   // optional string java_package = 1;
-  if (_has_bit(0)) {
+  if (has_java_package()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->java_package().data(), this->java_package().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       1, this->java_package(), output);
   }
-  
+
   // optional string java_outer_classname = 8;
-  if (_has_bit(1)) {
+  if (has_java_outer_classname()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->java_outer_classname().data(), this->java_outer_classname().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       8, this->java_outer_classname(), output);
   }
-  
+
   // optional .google.protobuf.FileOptions.OptimizeMode optimize_for = 9 [default = SPEED];
-  if (_has_bit(3)) {
+  if (has_optimize_for()) {
     ::google::protobuf::internal::WireFormatLite::WriteEnum(
       9, this->optimize_for(), output);
   }
-  
+
   // optional bool java_multiple_files = 10 [default = false];
-  if (_has_bit(2)) {
+  if (has_java_multiple_files()) {
     ::google::protobuf::internal::WireFormatLite::WriteBool(10, this->java_multiple_files(), output);
   }
-  
-  // optional bool cc_generic_services = 16 [default = true];
-  if (_has_bit(4)) {
+
+  // optional string go_package = 11;
+  if (has_go_package()) {
+    ::google::protobuf::internal::WireFormat::VerifyUTF8String(
+      this->go_package().data(), this->go_package().length(),
+      ::google::protobuf::internal::WireFormat::SERIALIZE);
+    ::google::protobuf::internal::WireFormatLite::WriteString(
+      11, this->go_package(), output);
+  }
+
+  // optional bool cc_generic_services = 16 [default = false];
+  if (has_cc_generic_services()) {
     ::google::protobuf::internal::WireFormatLite::WriteBool(16, this->cc_generic_services(), output);
   }
-  
-  // optional bool java_generic_services = 17 [default = true];
-  if (_has_bit(5)) {
+
+  // optional bool java_generic_services = 17 [default = false];
+  if (has_java_generic_services()) {
     ::google::protobuf::internal::WireFormatLite::WriteBool(17, this->java_generic_services(), output);
   }
-  
-  // optional bool py_generic_services = 18 [default = true];
-  if (_has_bit(6)) {
+
+  // optional bool py_generic_services = 18 [default = false];
+  if (has_py_generic_services()) {
     ::google::protobuf::internal::WireFormatLite::WriteBool(18, this->py_generic_services(), output);
   }
-  
+
+  // optional bool java_generate_equals_and_hash = 20 [default = false];
+  if (has_java_generate_equals_and_hash()) {
+    ::google::protobuf::internal::WireFormatLite::WriteBool(20, this->java_generate_equals_and_hash(), output);
+  }
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   for (int i = 0; i < this->uninterpreted_option_size(); i++) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       999, this->uninterpreted_option(i), output);
   }
-  
+
   // Extension range [1000, 536870912)
   _extensions_.SerializeWithCachedSizes(
       1000, 536870912, output);
-  
+
   if (!unknown_fields().empty()) {
     ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
         unknown_fields(), output);
@@ -4470,7 +4751,7 @@ void FileOptions::SerializeWithCachedSizes(
 ::google::protobuf::uint8* FileOptions::SerializeWithCachedSizesToArray(
     ::google::protobuf::uint8* target) const {
   // optional string java_package = 1;
-  if (_has_bit(0)) {
+  if (has_java_package()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->java_package().data(), this->java_package().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -4478,9 +4759,9 @@ void FileOptions::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         1, this->java_package(), target);
   }
-  
+
   // optional string java_outer_classname = 8;
-  if (_has_bit(1)) {
+  if (has_java_outer_classname()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->java_outer_classname().data(), this->java_outer_classname().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -4488,44 +4769,59 @@ void FileOptions::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         8, this->java_outer_classname(), target);
   }
-  
+
   // optional .google.protobuf.FileOptions.OptimizeMode optimize_for = 9 [default = SPEED];
-  if (_has_bit(3)) {
+  if (has_optimize_for()) {
     target = ::google::protobuf::internal::WireFormatLite::WriteEnumToArray(
       9, this->optimize_for(), target);
   }
-  
+
   // optional bool java_multiple_files = 10 [default = false];
-  if (_has_bit(2)) {
+  if (has_java_multiple_files()) {
     target = ::google::protobuf::internal::WireFormatLite::WriteBoolToArray(10, this->java_multiple_files(), target);
   }
-  
-  // optional bool cc_generic_services = 16 [default = true];
-  if (_has_bit(4)) {
+
+  // optional string go_package = 11;
+  if (has_go_package()) {
+    ::google::protobuf::internal::WireFormat::VerifyUTF8String(
+      this->go_package().data(), this->go_package().length(),
+      ::google::protobuf::internal::WireFormat::SERIALIZE);
+    target =
+      ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
+        11, this->go_package(), target);
+  }
+
+  // optional bool cc_generic_services = 16 [default = false];
+  if (has_cc_generic_services()) {
     target = ::google::protobuf::internal::WireFormatLite::WriteBoolToArray(16, this->cc_generic_services(), target);
   }
-  
-  // optional bool java_generic_services = 17 [default = true];
-  if (_has_bit(5)) {
+
+  // optional bool java_generic_services = 17 [default = false];
+  if (has_java_generic_services()) {
     target = ::google::protobuf::internal::WireFormatLite::WriteBoolToArray(17, this->java_generic_services(), target);
   }
-  
-  // optional bool py_generic_services = 18 [default = true];
-  if (_has_bit(6)) {
+
+  // optional bool py_generic_services = 18 [default = false];
+  if (has_py_generic_services()) {
     target = ::google::protobuf::internal::WireFormatLite::WriteBoolToArray(18, this->py_generic_services(), target);
   }
-  
+
+  // optional bool java_generate_equals_and_hash = 20 [default = false];
+  if (has_java_generate_equals_and_hash()) {
+    target = ::google::protobuf::internal::WireFormatLite::WriteBoolToArray(20, this->java_generate_equals_and_hash(), target);
+  }
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   for (int i = 0; i < this->uninterpreted_option_size(); i++) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         999, this->uninterpreted_option(i), target);
   }
-  
+
   // Extension range [1000, 536870912)
   target = _extensions_.SerializeWithCachedSizesToArray(
       1000, 536870912, target);
-  
+
   if (!unknown_fields().empty()) {
     target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
         unknown_fields(), target);
@@ -4535,7 +4831,7 @@ void FileOptions::SerializeWithCachedSizes(
 
 int FileOptions::ByteSize() const {
   int total_size = 0;
-  
+
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
     // optional string java_package = 1;
     if (has_java_package()) {
@@ -4543,40 +4839,54 @@ int FileOptions::ByteSize() const {
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->java_package());
     }
-    
+
     // optional string java_outer_classname = 8;
     if (has_java_outer_classname()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->java_outer_classname());
     }
-    
+
     // optional bool java_multiple_files = 10 [default = false];
     if (has_java_multiple_files()) {
       total_size += 1 + 1;
     }
-    
+
+    // optional bool java_generate_equals_and_hash = 20 [default = false];
+    if (has_java_generate_equals_and_hash()) {
+      total_size += 2 + 1;
+    }
+
     // optional .google.protobuf.FileOptions.OptimizeMode optimize_for = 9 [default = SPEED];
     if (has_optimize_for()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::EnumSize(this->optimize_for());
     }
-    
-    // optional bool cc_generic_services = 16 [default = true];
+
+    // optional string go_package = 11;
+    if (has_go_package()) {
+      total_size += 1 +
+        ::google::protobuf::internal::WireFormatLite::StringSize(
+          this->go_package());
+    }
+
+    // optional bool cc_generic_services = 16 [default = false];
     if (has_cc_generic_services()) {
       total_size += 2 + 1;
     }
-    
-    // optional bool java_generic_services = 17 [default = true];
+
+    // optional bool java_generic_services = 17 [default = false];
     if (has_java_generic_services()) {
       total_size += 2 + 1;
     }
-    
-    // optional bool py_generic_services = 18 [default = true];
+
+  }
+  if (_has_bits_[8 / 32] & (0xffu << (8 % 32))) {
+    // optional bool py_generic_services = 18 [default = false];
     if (has_py_generic_services()) {
       total_size += 2 + 1;
     }
-    
+
   }
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   total_size += 2 * this->uninterpreted_option_size();
@@ -4585,9 +4895,9 @@ int FileOptions::ByteSize() const {
       ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
         this->uninterpreted_option(i));
   }
-  
+
   total_size += _extensions_.ByteSize();
-  
+
   if (!unknown_fields().empty()) {
     total_size +=
       ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
@@ -4615,25 +4925,33 @@ void FileOptions::MergeFrom(const FileOptions& from) {
   GOOGLE_CHECK_NE(&from, this);
   uninterpreted_option_.MergeFrom(from.uninterpreted_option_);
   if (from._has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (from._has_bit(0)) {
+    if (from.has_java_package()) {
       set_java_package(from.java_package());
     }
-    if (from._has_bit(1)) {
+    if (from.has_java_outer_classname()) {
       set_java_outer_classname(from.java_outer_classname());
     }
-    if (from._has_bit(2)) {
+    if (from.has_java_multiple_files()) {
       set_java_multiple_files(from.java_multiple_files());
     }
-    if (from._has_bit(3)) {
+    if (from.has_java_generate_equals_and_hash()) {
+      set_java_generate_equals_and_hash(from.java_generate_equals_and_hash());
+    }
+    if (from.has_optimize_for()) {
       set_optimize_for(from.optimize_for());
     }
-    if (from._has_bit(4)) {
+    if (from.has_go_package()) {
+      set_go_package(from.go_package());
+    }
+    if (from.has_cc_generic_services()) {
       set_cc_generic_services(from.cc_generic_services());
     }
-    if (from._has_bit(5)) {
+    if (from.has_java_generic_services()) {
       set_java_generic_services(from.java_generic_services());
     }
-    if (from._has_bit(6)) {
+  }
+  if (from._has_bits_[8 / 32] & (0xffu << (8 % 32))) {
+    if (from.has_py_generic_services()) {
       set_py_generic_services(from.py_generic_services());
     }
   }
@@ -4654,11 +4972,11 @@ void FileOptions::CopyFrom(const FileOptions& from) {
 }
 
 bool FileOptions::IsInitialized() const {
-  
+
   for (int i = 0; i < uninterpreted_option_size(); i++) {
     if (!this->uninterpreted_option(i).IsInitialized()) return false;
   }
-  
+
   if (!_extensions_.IsInitialized()) return false;  return true;
 }
 
@@ -4667,7 +4985,9 @@ void FileOptions::Swap(FileOptions* other) {
     std::swap(java_package_, other->java_package_);
     std::swap(java_outer_classname_, other->java_outer_classname_);
     std::swap(java_multiple_files_, other->java_multiple_files_);
+    std::swap(java_generate_equals_and_hash_, other->java_generate_equals_and_hash_);
     std::swap(optimize_for_, other->optimize_for_);
+    std::swap(go_package_, other->go_package_);
     std::swap(cc_generic_services_, other->cc_generic_services_);
     std::swap(java_generic_services_, other->java_generic_services_);
     std::swap(py_generic_services_, other->py_generic_services_);
@@ -4737,7 +5057,8 @@ const ::google::protobuf::Descriptor* MessageOptions::descriptor() {
 }
 
 const MessageOptions& MessageOptions::default_instance() {
-  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();  return *default_instance_;
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  return *default_instance_;
 }
 
 MessageOptions* MessageOptions::default_instance_ = NULL;
@@ -4770,14 +5091,14 @@ bool MessageOptions::MergePartialFromCodedStream(
           DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
                    bool, ::google::protobuf::internal::WireFormatLite::TYPE_BOOL>(
                  input, &message_set_wire_format_)));
-          _set_bit(0);
+          set_has_message_set_wire_format();
         } else {
           goto handle_uninterpreted;
         }
         if (input->ExpectTag(16)) goto parse_no_standard_descriptor_accessor;
         break;
       }
-      
+
       // optional bool no_standard_descriptor_accessor = 2 [default = false];
       case 2: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -4786,14 +5107,14 @@ bool MessageOptions::MergePartialFromCodedStream(
           DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
                    bool, ::google::protobuf::internal::WireFormatLite::TYPE_BOOL>(
                  input, &no_standard_descriptor_accessor_)));
-          _set_bit(1);
+          set_has_no_standard_descriptor_accessor();
         } else {
           goto handle_uninterpreted;
         }
         if (input->ExpectTag(7994)) goto parse_uninterpreted_option;
         break;
       }
-      
+
       // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
       case 999: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -4808,7 +5129,7 @@ bool MessageOptions::MergePartialFromCodedStream(
         if (input->ExpectAtEnd()) return true;
         break;
       }
-      
+
       default: {
       handle_uninterpreted:
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -4833,25 +5154,25 @@ bool MessageOptions::MergePartialFromCodedStream(
 void MessageOptions::SerializeWithCachedSizes(
     ::google::protobuf::io::CodedOutputStream* output) const {
   // optional bool message_set_wire_format = 1 [default = false];
-  if (_has_bit(0)) {
+  if (has_message_set_wire_format()) {
     ::google::protobuf::internal::WireFormatLite::WriteBool(1, this->message_set_wire_format(), output);
   }
-  
+
   // optional bool no_standard_descriptor_accessor = 2 [default = false];
-  if (_has_bit(1)) {
+  if (has_no_standard_descriptor_accessor()) {
     ::google::protobuf::internal::WireFormatLite::WriteBool(2, this->no_standard_descriptor_accessor(), output);
   }
-  
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   for (int i = 0; i < this->uninterpreted_option_size(); i++) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       999, this->uninterpreted_option(i), output);
   }
-  
+
   // Extension range [1000, 536870912)
   _extensions_.SerializeWithCachedSizes(
       1000, 536870912, output);
-  
+
   if (!unknown_fields().empty()) {
     ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
         unknown_fields(), output);
@@ -4861,26 +5182,26 @@ void MessageOptions::SerializeWithCachedSizes(
 ::google::protobuf::uint8* MessageOptions::SerializeWithCachedSizesToArray(
     ::google::protobuf::uint8* target) const {
   // optional bool message_set_wire_format = 1 [default = false];
-  if (_has_bit(0)) {
+  if (has_message_set_wire_format()) {
     target = ::google::protobuf::internal::WireFormatLite::WriteBoolToArray(1, this->message_set_wire_format(), target);
   }
-  
+
   // optional bool no_standard_descriptor_accessor = 2 [default = false];
-  if (_has_bit(1)) {
+  if (has_no_standard_descriptor_accessor()) {
     target = ::google::protobuf::internal::WireFormatLite::WriteBoolToArray(2, this->no_standard_descriptor_accessor(), target);
   }
-  
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   for (int i = 0; i < this->uninterpreted_option_size(); i++) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         999, this->uninterpreted_option(i), target);
   }
-  
+
   // Extension range [1000, 536870912)
   target = _extensions_.SerializeWithCachedSizesToArray(
       1000, 536870912, target);
-  
+
   if (!unknown_fields().empty()) {
     target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
         unknown_fields(), target);
@@ -4890,18 +5211,18 @@ void MessageOptions::SerializeWithCachedSizes(
 
 int MessageOptions::ByteSize() const {
   int total_size = 0;
-  
+
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
     // optional bool message_set_wire_format = 1 [default = false];
     if (has_message_set_wire_format()) {
       total_size += 1 + 1;
     }
-    
+
     // optional bool no_standard_descriptor_accessor = 2 [default = false];
     if (has_no_standard_descriptor_accessor()) {
       total_size += 1 + 1;
     }
-    
+
   }
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   total_size += 2 * this->uninterpreted_option_size();
@@ -4910,9 +5231,9 @@ int MessageOptions::ByteSize() const {
       ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
         this->uninterpreted_option(i));
   }
-  
+
   total_size += _extensions_.ByteSize();
-  
+
   if (!unknown_fields().empty()) {
     total_size +=
       ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
@@ -4940,10 +5261,10 @@ void MessageOptions::MergeFrom(const MessageOptions& from) {
   GOOGLE_CHECK_NE(&from, this);
   uninterpreted_option_.MergeFrom(from.uninterpreted_option_);
   if (from._has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (from._has_bit(0)) {
+    if (from.has_message_set_wire_format()) {
       set_message_set_wire_format(from.message_set_wire_format());
     }
-    if (from._has_bit(1)) {
+    if (from.has_no_standard_descriptor_accessor()) {
       set_no_standard_descriptor_accessor(from.no_standard_descriptor_accessor());
     }
   }
@@ -4964,11 +5285,11 @@ void MessageOptions::CopyFrom(const MessageOptions& from) {
 }
 
 bool MessageOptions::IsInitialized() const {
-  
+
   for (int i = 0; i < uninterpreted_option_size(); i++) {
     if (!this->uninterpreted_option(i).IsInitialized()) return false;
   }
-  
+
   if (!_extensions_.IsInitialized()) return false;  return true;
 }
 
@@ -5018,12 +5339,13 @@ const FieldOptions_CType FieldOptions::CType_MIN;
 const FieldOptions_CType FieldOptions::CType_MAX;
 const int FieldOptions::CType_ARRAYSIZE;
 #endif  // _MSC_VER
-const ::std::string FieldOptions::_default_experimental_map_key_;
 #ifndef _MSC_VER
 const int FieldOptions::kCtypeFieldNumber;
 const int FieldOptions::kPackedFieldNumber;
+const int FieldOptions::kLazyFieldNumber;
 const int FieldOptions::kDeprecatedFieldNumber;
 const int FieldOptions::kExperimentalMapKeyFieldNumber;
+const int FieldOptions::kWeakFieldNumber;
 const int FieldOptions::kUninterpretedOptionFieldNumber;
 #endif  // !_MSC_VER
 
@@ -5045,8 +5367,10 @@ void FieldOptions::SharedCtor() {
   _cached_size_ = 0;
   ctype_ = 0;
   packed_ = false;
+  lazy_ = false;
   deprecated_ = false;
-  experimental_map_key_ = const_cast< ::std::string*>(&_default_experimental_map_key_);
+  experimental_map_key_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  weak_ = false;
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
 }
 
@@ -5055,7 +5379,7 @@ FieldOptions::~FieldOptions() {
 }
 
 void FieldOptions::SharedDtor() {
-  if (experimental_map_key_ != &_default_experimental_map_key_) {
+  if (experimental_map_key_ != &::google::protobuf::internal::kEmptyString) {
     delete experimental_map_key_;
   }
   if (this != default_instance_) {
@@ -5073,7 +5397,8 @@ const ::google::protobuf::Descriptor* FieldOptions::descriptor() {
 }
 
 const FieldOptions& FieldOptions::default_instance() {
-  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();  return *default_instance_;
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  return *default_instance_;
 }
 
 FieldOptions* FieldOptions::default_instance_ = NULL;
@@ -5087,12 +5412,14 @@ void FieldOptions::Clear() {
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
     ctype_ = 0;
     packed_ = false;
+    lazy_ = false;
     deprecated_ = false;
-    if (_has_bit(3)) {
-      if (experimental_map_key_ != &_default_experimental_map_key_) {
+    if (has_experimental_map_key()) {
+      if (experimental_map_key_ != &::google::protobuf::internal::kEmptyString) {
         experimental_map_key_->clear();
       }
     }
+    weak_ = false;
   }
   uninterpreted_option_.Clear();
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
@@ -5124,7 +5451,7 @@ bool FieldOptions::MergePartialFromCodedStream(
         if (input->ExpectTag(16)) goto parse_packed;
         break;
       }
-      
+
       // optional bool packed = 2;
       case 2: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -5133,14 +5460,14 @@ bool FieldOptions::MergePartialFromCodedStream(
           DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
                    bool, ::google::protobuf::internal::WireFormatLite::TYPE_BOOL>(
                  input, &packed_)));
-          _set_bit(1);
+          set_has_packed();
         } else {
           goto handle_uninterpreted;
         }
         if (input->ExpectTag(24)) goto parse_deprecated;
         break;
       }
-      
+
       // optional bool deprecated = 3 [default = false];
       case 3: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -5149,14 +5476,30 @@ bool FieldOptions::MergePartialFromCodedStream(
           DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
                    bool, ::google::protobuf::internal::WireFormatLite::TYPE_BOOL>(
                  input, &deprecated_)));
-          _set_bit(2);
+          set_has_deprecated();
+        } else {
+          goto handle_uninterpreted;
+        }
+        if (input->ExpectTag(40)) goto parse_lazy;
+        break;
+      }
+
+      // optional bool lazy = 5 [default = false];
+      case 5: {
+        if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
+            ::google::protobuf::internal::WireFormatLite::WIRETYPE_VARINT) {
+         parse_lazy:
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
+                   bool, ::google::protobuf::internal::WireFormatLite::TYPE_BOOL>(
+                 input, &lazy_)));
+          set_has_lazy();
         } else {
           goto handle_uninterpreted;
         }
         if (input->ExpectTag(74)) goto parse_experimental_map_key;
         break;
       }
-      
+
       // optional string experimental_map_key = 9;
       case 9: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -5170,10 +5513,26 @@ bool FieldOptions::MergePartialFromCodedStream(
         } else {
           goto handle_uninterpreted;
         }
+        if (input->ExpectTag(80)) goto parse_weak;
+        break;
+      }
+
+      // optional bool weak = 10 [default = false];
+      case 10: {
+        if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
+            ::google::protobuf::internal::WireFormatLite::WIRETYPE_VARINT) {
+         parse_weak:
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
+                   bool, ::google::protobuf::internal::WireFormatLite::TYPE_BOOL>(
+                 input, &weak_)));
+          set_has_weak();
+        } else {
+          goto handle_uninterpreted;
+        }
         if (input->ExpectTag(7994)) goto parse_uninterpreted_option;
         break;
       }
-      
+
       // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
       case 999: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -5188,7 +5547,7 @@ bool FieldOptions::MergePartialFromCodedStream(
         if (input->ExpectAtEnd()) return true;
         break;
       }
-      
+
       default: {
       handle_uninterpreted:
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -5213,40 +5572,50 @@ bool FieldOptions::MergePartialFromCodedStream(
 void FieldOptions::SerializeWithCachedSizes(
     ::google::protobuf::io::CodedOutputStream* output) const {
   // optional .google.protobuf.FieldOptions.CType ctype = 1 [default = STRING];
-  if (_has_bit(0)) {
+  if (has_ctype()) {
     ::google::protobuf::internal::WireFormatLite::WriteEnum(
       1, this->ctype(), output);
   }
-  
+
   // optional bool packed = 2;
-  if (_has_bit(1)) {
+  if (has_packed()) {
     ::google::protobuf::internal::WireFormatLite::WriteBool(2, this->packed(), output);
   }
-  
+
   // optional bool deprecated = 3 [default = false];
-  if (_has_bit(2)) {
+  if (has_deprecated()) {
     ::google::protobuf::internal::WireFormatLite::WriteBool(3, this->deprecated(), output);
   }
-  
+
+  // optional bool lazy = 5 [default = false];
+  if (has_lazy()) {
+    ::google::protobuf::internal::WireFormatLite::WriteBool(5, this->lazy(), output);
+  }
+
   // optional string experimental_map_key = 9;
-  if (_has_bit(3)) {
+  if (has_experimental_map_key()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->experimental_map_key().data(), this->experimental_map_key().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       9, this->experimental_map_key(), output);
   }
-  
+
+  // optional bool weak = 10 [default = false];
+  if (has_weak()) {
+    ::google::protobuf::internal::WireFormatLite::WriteBool(10, this->weak(), output);
+  }
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   for (int i = 0; i < this->uninterpreted_option_size(); i++) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       999, this->uninterpreted_option(i), output);
   }
-  
+
   // Extension range [1000, 536870912)
   _extensions_.SerializeWithCachedSizes(
       1000, 536870912, output);
-  
+
   if (!unknown_fields().empty()) {
     ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
         unknown_fields(), output);
@@ -5256,23 +5625,28 @@ void FieldOptions::SerializeWithCachedSizes(
 ::google::protobuf::uint8* FieldOptions::SerializeWithCachedSizesToArray(
     ::google::protobuf::uint8* target) const {
   // optional .google.protobuf.FieldOptions.CType ctype = 1 [default = STRING];
-  if (_has_bit(0)) {
+  if (has_ctype()) {
     target = ::google::protobuf::internal::WireFormatLite::WriteEnumToArray(
       1, this->ctype(), target);
   }
-  
+
   // optional bool packed = 2;
-  if (_has_bit(1)) {
+  if (has_packed()) {
     target = ::google::protobuf::internal::WireFormatLite::WriteBoolToArray(2, this->packed(), target);
   }
-  
+
   // optional bool deprecated = 3 [default = false];
-  if (_has_bit(2)) {
+  if (has_deprecated()) {
     target = ::google::protobuf::internal::WireFormatLite::WriteBoolToArray(3, this->deprecated(), target);
   }
-  
+
+  // optional bool lazy = 5 [default = false];
+  if (has_lazy()) {
+    target = ::google::protobuf::internal::WireFormatLite::WriteBoolToArray(5, this->lazy(), target);
+  }
+
   // optional string experimental_map_key = 9;
-  if (_has_bit(3)) {
+  if (has_experimental_map_key()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->experimental_map_key().data(), this->experimental_map_key().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -5280,18 +5654,23 @@ void FieldOptions::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         9, this->experimental_map_key(), target);
   }
-  
+
+  // optional bool weak = 10 [default = false];
+  if (has_weak()) {
+    target = ::google::protobuf::internal::WireFormatLite::WriteBoolToArray(10, this->weak(), target);
+  }
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   for (int i = 0; i < this->uninterpreted_option_size(); i++) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         999, this->uninterpreted_option(i), target);
   }
-  
+
   // Extension range [1000, 536870912)
   target = _extensions_.SerializeWithCachedSizesToArray(
       1000, 536870912, target);
-  
+
   if (!unknown_fields().empty()) {
     target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
         unknown_fields(), target);
@@ -5301,31 +5680,41 @@ void FieldOptions::SerializeWithCachedSizes(
 
 int FieldOptions::ByteSize() const {
   int total_size = 0;
-  
+
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
     // optional .google.protobuf.FieldOptions.CType ctype = 1 [default = STRING];
     if (has_ctype()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::EnumSize(this->ctype());
     }
-    
+
     // optional bool packed = 2;
     if (has_packed()) {
       total_size += 1 + 1;
     }
-    
+
+    // optional bool lazy = 5 [default = false];
+    if (has_lazy()) {
+      total_size += 1 + 1;
+    }
+
     // optional bool deprecated = 3 [default = false];
     if (has_deprecated()) {
       total_size += 1 + 1;
     }
-    
+
     // optional string experimental_map_key = 9;
     if (has_experimental_map_key()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->experimental_map_key());
     }
-    
+
+    // optional bool weak = 10 [default = false];
+    if (has_weak()) {
+      total_size += 1 + 1;
+    }
+
   }
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   total_size += 2 * this->uninterpreted_option_size();
@@ -5334,9 +5723,9 @@ int FieldOptions::ByteSize() const {
       ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
         this->uninterpreted_option(i));
   }
-  
+
   total_size += _extensions_.ByteSize();
-  
+
   if (!unknown_fields().empty()) {
     total_size +=
       ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
@@ -5364,18 +5753,24 @@ void FieldOptions::MergeFrom(const FieldOptions& from) {
   GOOGLE_CHECK_NE(&from, this);
   uninterpreted_option_.MergeFrom(from.uninterpreted_option_);
   if (from._has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (from._has_bit(0)) {
+    if (from.has_ctype()) {
       set_ctype(from.ctype());
     }
-    if (from._has_bit(1)) {
+    if (from.has_packed()) {
       set_packed(from.packed());
     }
-    if (from._has_bit(2)) {
+    if (from.has_lazy()) {
+      set_lazy(from.lazy());
+    }
+    if (from.has_deprecated()) {
       set_deprecated(from.deprecated());
     }
-    if (from._has_bit(3)) {
+    if (from.has_experimental_map_key()) {
       set_experimental_map_key(from.experimental_map_key());
     }
+    if (from.has_weak()) {
+      set_weak(from.weak());
+    }
   }
   _extensions_.MergeFrom(from._extensions_);
   mutable_unknown_fields()->MergeFrom(from.unknown_fields());
@@ -5394,11 +5789,11 @@ void FieldOptions::CopyFrom(const FieldOptions& from) {
 }
 
 bool FieldOptions::IsInitialized() const {
-  
+
   for (int i = 0; i < uninterpreted_option_size(); i++) {
     if (!this->uninterpreted_option(i).IsInitialized()) return false;
   }
-  
+
   if (!_extensions_.IsInitialized()) return false;  return true;
 }
 
@@ -5406,8 +5801,10 @@ void FieldOptions::Swap(FieldOptions* other) {
   if (other != this) {
     std::swap(ctype_, other->ctype_);
     std::swap(packed_, other->packed_);
+    std::swap(lazy_, other->lazy_);
     std::swap(deprecated_, other->deprecated_);
     std::swap(experimental_map_key_, other->experimental_map_key_);
+    std::swap(weak_, other->weak_);
     uninterpreted_option_.Swap(&other->uninterpreted_option_);
     std::swap(_has_bits_[0], other->_has_bits_[0]);
     _unknown_fields_.Swap(&other->_unknown_fields_);
@@ -5428,6 +5825,7 @@ void FieldOptions::Swap(FieldOptions* other) {
 // ===================================================================
 
 #ifndef _MSC_VER
+const int EnumOptions::kAllowAliasFieldNumber;
 const int EnumOptions::kUninterpretedOptionFieldNumber;
 #endif  // !_MSC_VER
 
@@ -5447,6 +5845,7 @@ EnumOptions::EnumOptions(const EnumOptions& from)
 
 void EnumOptions::SharedCtor() {
   _cached_size_ = 0;
+  allow_alias_ = true;
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
 }
 
@@ -5470,7 +5869,8 @@ const ::google::protobuf::Descriptor* EnumOptions::descriptor() {
 }
 
 const EnumOptions& EnumOptions::default_instance() {
-  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();  return *default_instance_;
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  return *default_instance_;
 }
 
 EnumOptions* EnumOptions::default_instance_ = NULL;
@@ -5481,6 +5881,9 @@ EnumOptions* EnumOptions::New() const {
 
 void EnumOptions::Clear() {
   _extensions_.Clear();
+  if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
+    allow_alias_ = true;
+  }
   uninterpreted_option_.Clear();
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
   mutable_unknown_fields()->Clear();
@@ -5492,6 +5895,21 @@ bool EnumOptions::MergePartialFromCodedStream(
   ::google::protobuf::uint32 tag;
   while ((tag = input->ReadTag()) != 0) {
     switch (::google::protobuf::internal::WireFormatLite::GetTagFieldNumber(tag)) {
+      // optional bool allow_alias = 2 [default = true];
+      case 2: {
+        if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
+            ::google::protobuf::internal::WireFormatLite::WIRETYPE_VARINT) {
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
+                   bool, ::google::protobuf::internal::WireFormatLite::TYPE_BOOL>(
+                 input, &allow_alias_)));
+          set_has_allow_alias();
+        } else {
+          goto handle_uninterpreted;
+        }
+        if (input->ExpectTag(7994)) goto parse_uninterpreted_option;
+        break;
+      }
+
       // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
       case 999: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -5506,7 +5924,7 @@ bool EnumOptions::MergePartialFromCodedStream(
         if (input->ExpectAtEnd()) return true;
         break;
       }
-      
+
       default: {
       handle_uninterpreted:
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -5530,16 +5948,21 @@ bool EnumOptions::MergePartialFromCodedStream(
 
 void EnumOptions::SerializeWithCachedSizes(
     ::google::protobuf::io::CodedOutputStream* output) const {
+  // optional bool allow_alias = 2 [default = true];
+  if (has_allow_alias()) {
+    ::google::protobuf::internal::WireFormatLite::WriteBool(2, this->allow_alias(), output);
+  }
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   for (int i = 0; i < this->uninterpreted_option_size(); i++) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       999, this->uninterpreted_option(i), output);
   }
-  
+
   // Extension range [1000, 536870912)
   _extensions_.SerializeWithCachedSizes(
       1000, 536870912, output);
-  
+
   if (!unknown_fields().empty()) {
     ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
         unknown_fields(), output);
@@ -5548,17 +5971,22 @@ void EnumOptions::SerializeWithCachedSizes(
 
 ::google::protobuf::uint8* EnumOptions::SerializeWithCachedSizesToArray(
     ::google::protobuf::uint8* target) const {
+  // optional bool allow_alias = 2 [default = true];
+  if (has_allow_alias()) {
+    target = ::google::protobuf::internal::WireFormatLite::WriteBoolToArray(2, this->allow_alias(), target);
+  }
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   for (int i = 0; i < this->uninterpreted_option_size(); i++) {
     target = ::google::protobuf::internal::WireFormatLite::
       WriteMessageNoVirtualToArray(
         999, this->uninterpreted_option(i), target);
   }
-  
+
   // Extension range [1000, 536870912)
   target = _extensions_.SerializeWithCachedSizesToArray(
       1000, 536870912, target);
-  
+
   if (!unknown_fields().empty()) {
     target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
         unknown_fields(), target);
@@ -5568,7 +5996,14 @@ void EnumOptions::SerializeWithCachedSizes(
 
 int EnumOptions::ByteSize() const {
   int total_size = 0;
-  
+
+  if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
+    // optional bool allow_alias = 2 [default = true];
+    if (has_allow_alias()) {
+      total_size += 1 + 1;
+    }
+
+  }
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   total_size += 2 * this->uninterpreted_option_size();
   for (int i = 0; i < this->uninterpreted_option_size(); i++) {
@@ -5576,9 +6011,9 @@ int EnumOptions::ByteSize() const {
       ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
         this->uninterpreted_option(i));
   }
-  
+
   total_size += _extensions_.ByteSize();
-  
+
   if (!unknown_fields().empty()) {
     total_size +=
       ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
@@ -5605,6 +6040,11 @@ void EnumOptions::MergeFrom(const ::google::protobuf::Message& from) {
 void EnumOptions::MergeFrom(const EnumOptions& from) {
   GOOGLE_CHECK_NE(&from, this);
   uninterpreted_option_.MergeFrom(from.uninterpreted_option_);
+  if (from._has_bits_[0 / 32] & (0xffu << (0 % 32))) {
+    if (from.has_allow_alias()) {
+      set_allow_alias(from.allow_alias());
+    }
+  }
   _extensions_.MergeFrom(from._extensions_);
   mutable_unknown_fields()->MergeFrom(from.unknown_fields());
 }
@@ -5622,16 +6062,17 @@ void EnumOptions::CopyFrom(const EnumOptions& from) {
 }
 
 bool EnumOptions::IsInitialized() const {
-  
+
   for (int i = 0; i < uninterpreted_option_size(); i++) {
     if (!this->uninterpreted_option(i).IsInitialized()) return false;
   }
-  
+
   if (!_extensions_.IsInitialized()) return false;  return true;
 }
 
 void EnumOptions::Swap(EnumOptions* other) {
   if (other != this) {
+    std::swap(allow_alias_, other->allow_alias_);
     uninterpreted_option_.Swap(&other->uninterpreted_option_);
     std::swap(_has_bits_[0], other->_has_bits_[0]);
     _unknown_fields_.Swap(&other->_unknown_fields_);
@@ -5694,7 +6135,8 @@ const ::google::protobuf::Descriptor* EnumValueOptions::descriptor() {
 }
 
 const EnumValueOptions& EnumValueOptions::default_instance() {
-  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();  return *default_instance_;
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  return *default_instance_;
 }
 
 EnumValueOptions* EnumValueOptions::default_instance_ = NULL;
@@ -5730,7 +6172,7 @@ bool EnumValueOptions::MergePartialFromCodedStream(
         if (input->ExpectAtEnd()) return true;
         break;
       }
-      
+
       default: {
       handle_uninterpreted:
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -5759,11 +6201,11 @@ void EnumValueOptions::SerializeWithCachedSizes(
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       999, this->uninterpreted_option(i), output);
   }
-  
+
   // Extension range [1000, 536870912)
   _extensions_.SerializeWithCachedSizes(
       1000, 536870912, output);
-  
+
   if (!unknown_fields().empty()) {
     ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
         unknown_fields(), output);
@@ -5778,11 +6220,11 @@ void EnumValueOptions::SerializeWithCachedSizes(
       WriteMessageNoVirtualToArray(
         999, this->uninterpreted_option(i), target);
   }
-  
+
   // Extension range [1000, 536870912)
   target = _extensions_.SerializeWithCachedSizesToArray(
       1000, 536870912, target);
-  
+
   if (!unknown_fields().empty()) {
     target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
         unknown_fields(), target);
@@ -5792,7 +6234,7 @@ void EnumValueOptions::SerializeWithCachedSizes(
 
 int EnumValueOptions::ByteSize() const {
   int total_size = 0;
-  
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   total_size += 2 * this->uninterpreted_option_size();
   for (int i = 0; i < this->uninterpreted_option_size(); i++) {
@@ -5800,9 +6242,9 @@ int EnumValueOptions::ByteSize() const {
       ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
         this->uninterpreted_option(i));
   }
-  
+
   total_size += _extensions_.ByteSize();
-  
+
   if (!unknown_fields().empty()) {
     total_size +=
       ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
@@ -5846,11 +6288,11 @@ void EnumValueOptions::CopyFrom(const EnumValueOptions& from) {
 }
 
 bool EnumValueOptions::IsInitialized() const {
-  
+
   for (int i = 0; i < uninterpreted_option_size(); i++) {
     if (!this->uninterpreted_option(i).IsInitialized()) return false;
   }
-  
+
   if (!_extensions_.IsInitialized()) return false;  return true;
 }
 
@@ -5918,7 +6360,8 @@ const ::google::protobuf::Descriptor* ServiceOptions::descriptor() {
 }
 
 const ServiceOptions& ServiceOptions::default_instance() {
-  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();  return *default_instance_;
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  return *default_instance_;
 }
 
 ServiceOptions* ServiceOptions::default_instance_ = NULL;
@@ -5954,7 +6397,7 @@ bool ServiceOptions::MergePartialFromCodedStream(
         if (input->ExpectAtEnd()) return true;
         break;
       }
-      
+
       default: {
       handle_uninterpreted:
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -5983,11 +6426,11 @@ void ServiceOptions::SerializeWithCachedSizes(
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       999, this->uninterpreted_option(i), output);
   }
-  
+
   // Extension range [1000, 536870912)
   _extensions_.SerializeWithCachedSizes(
       1000, 536870912, output);
-  
+
   if (!unknown_fields().empty()) {
     ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
         unknown_fields(), output);
@@ -6002,11 +6445,11 @@ void ServiceOptions::SerializeWithCachedSizes(
       WriteMessageNoVirtualToArray(
         999, this->uninterpreted_option(i), target);
   }
-  
+
   // Extension range [1000, 536870912)
   target = _extensions_.SerializeWithCachedSizesToArray(
       1000, 536870912, target);
-  
+
   if (!unknown_fields().empty()) {
     target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
         unknown_fields(), target);
@@ -6016,7 +6459,7 @@ void ServiceOptions::SerializeWithCachedSizes(
 
 int ServiceOptions::ByteSize() const {
   int total_size = 0;
-  
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   total_size += 2 * this->uninterpreted_option_size();
   for (int i = 0; i < this->uninterpreted_option_size(); i++) {
@@ -6024,9 +6467,9 @@ int ServiceOptions::ByteSize() const {
       ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
         this->uninterpreted_option(i));
   }
-  
+
   total_size += _extensions_.ByteSize();
-  
+
   if (!unknown_fields().empty()) {
     total_size +=
       ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
@@ -6070,11 +6513,11 @@ void ServiceOptions::CopyFrom(const ServiceOptions& from) {
 }
 
 bool ServiceOptions::IsInitialized() const {
-  
+
   for (int i = 0; i < uninterpreted_option_size(); i++) {
     if (!this->uninterpreted_option(i).IsInitialized()) return false;
   }
-  
+
   if (!_extensions_.IsInitialized()) return false;  return true;
 }
 
@@ -6142,7 +6585,8 @@ const ::google::protobuf::Descriptor* MethodOptions::descriptor() {
 }
 
 const MethodOptions& MethodOptions::default_instance() {
-  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();  return *default_instance_;
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  return *default_instance_;
 }
 
 MethodOptions* MethodOptions::default_instance_ = NULL;
@@ -6178,7 +6622,7 @@ bool MethodOptions::MergePartialFromCodedStream(
         if (input->ExpectAtEnd()) return true;
         break;
       }
-      
+
       default: {
       handle_uninterpreted:
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -6207,11 +6651,11 @@ void MethodOptions::SerializeWithCachedSizes(
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       999, this->uninterpreted_option(i), output);
   }
-  
+
   // Extension range [1000, 536870912)
   _extensions_.SerializeWithCachedSizes(
       1000, 536870912, output);
-  
+
   if (!unknown_fields().empty()) {
     ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
         unknown_fields(), output);
@@ -6226,11 +6670,11 @@ void MethodOptions::SerializeWithCachedSizes(
       WriteMessageNoVirtualToArray(
         999, this->uninterpreted_option(i), target);
   }
-  
+
   // Extension range [1000, 536870912)
   target = _extensions_.SerializeWithCachedSizesToArray(
       1000, 536870912, target);
-  
+
   if (!unknown_fields().empty()) {
     target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
         unknown_fields(), target);
@@ -6240,7 +6684,7 @@ void MethodOptions::SerializeWithCachedSizes(
 
 int MethodOptions::ByteSize() const {
   int total_size = 0;
-  
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   total_size += 2 * this->uninterpreted_option_size();
   for (int i = 0; i < this->uninterpreted_option_size(); i++) {
@@ -6248,9 +6692,9 @@ int MethodOptions::ByteSize() const {
       ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
         this->uninterpreted_option(i));
   }
-  
+
   total_size += _extensions_.ByteSize();
-  
+
   if (!unknown_fields().empty()) {
     total_size +=
       ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
@@ -6294,11 +6738,11 @@ void MethodOptions::CopyFrom(const MethodOptions& from) {
 }
 
 bool MethodOptions::IsInitialized() const {
-  
+
   for (int i = 0; i < uninterpreted_option_size(); i++) {
     if (!this->uninterpreted_option(i).IsInitialized()) return false;
   }
-  
+
   if (!_extensions_.IsInitialized()) return false;  return true;
 }
 
@@ -6323,7 +6767,6 @@ void MethodOptions::Swap(MethodOptions* other) {
 
 // ===================================================================
 
-const ::std::string UninterpretedOption_NamePart::_default_name_part_;
 #ifndef _MSC_VER
 const int UninterpretedOption_NamePart::kNamePartFieldNumber;
 const int UninterpretedOption_NamePart::kIsExtensionFieldNumber;
@@ -6345,7 +6788,7 @@ UninterpretedOption_NamePart::UninterpretedOption_NamePart(const UninterpretedOp
 
 void UninterpretedOption_NamePart::SharedCtor() {
   _cached_size_ = 0;
-  name_part_ = const_cast< ::std::string*>(&_default_name_part_);
+  name_part_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
   is_extension_ = false;
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
 }
@@ -6355,7 +6798,7 @@ UninterpretedOption_NamePart::~UninterpretedOption_NamePart() {
 }
 
 void UninterpretedOption_NamePart::SharedDtor() {
-  if (name_part_ != &_default_name_part_) {
+  if (name_part_ != &::google::protobuf::internal::kEmptyString) {
     delete name_part_;
   }
   if (this != default_instance_) {
@@ -6373,7 +6816,8 @@ const ::google::protobuf::Descriptor* UninterpretedOption_NamePart::descriptor()
 }
 
 const UninterpretedOption_NamePart& UninterpretedOption_NamePart::default_instance() {
-  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();  return *default_instance_;
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  return *default_instance_;
 }
 
 UninterpretedOption_NamePart* UninterpretedOption_NamePart::default_instance_ = NULL;
@@ -6384,8 +6828,8 @@ UninterpretedOption_NamePart* UninterpretedOption_NamePart::New() const {
 
 void UninterpretedOption_NamePart::Clear() {
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (_has_bit(0)) {
-      if (name_part_ != &_default_name_part_) {
+    if (has_name_part()) {
+      if (name_part_ != &::google::protobuf::internal::kEmptyString) {
         name_part_->clear();
       }
     }
@@ -6416,7 +6860,7 @@ bool UninterpretedOption_NamePart::MergePartialFromCodedStream(
         if (input->ExpectTag(16)) goto parse_is_extension;
         break;
       }
-      
+
       // required bool is_extension = 2;
       case 2: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -6425,14 +6869,14 @@ bool UninterpretedOption_NamePart::MergePartialFromCodedStream(
           DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
                    bool, ::google::protobuf::internal::WireFormatLite::TYPE_BOOL>(
                  input, &is_extension_)));
-          _set_bit(1);
+          set_has_is_extension();
         } else {
           goto handle_uninterpreted;
         }
         if (input->ExpectAtEnd()) return true;
         break;
       }
-      
+
       default: {
       handle_uninterpreted:
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -6452,19 +6896,19 @@ bool UninterpretedOption_NamePart::MergePartialFromCodedStream(
 void UninterpretedOption_NamePart::SerializeWithCachedSizes(
     ::google::protobuf::io::CodedOutputStream* output) const {
   // required string name_part = 1;
-  if (_has_bit(0)) {
+  if (has_name_part()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->name_part().data(), this->name_part().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       1, this->name_part(), output);
   }
-  
+
   // required bool is_extension = 2;
-  if (_has_bit(1)) {
+  if (has_is_extension()) {
     ::google::protobuf::internal::WireFormatLite::WriteBool(2, this->is_extension(), output);
   }
-  
+
   if (!unknown_fields().empty()) {
     ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
         unknown_fields(), output);
@@ -6474,7 +6918,7 @@ void UninterpretedOption_NamePart::SerializeWithCachedSizes(
 ::google::protobuf::uint8* UninterpretedOption_NamePart::SerializeWithCachedSizesToArray(
     ::google::protobuf::uint8* target) const {
   // required string name_part = 1;
-  if (_has_bit(0)) {
+  if (has_name_part()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->name_part().data(), this->name_part().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -6482,12 +6926,12 @@ void UninterpretedOption_NamePart::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         1, this->name_part(), target);
   }
-  
+
   // required bool is_extension = 2;
-  if (_has_bit(1)) {
+  if (has_is_extension()) {
     target = ::google::protobuf::internal::WireFormatLite::WriteBoolToArray(2, this->is_extension(), target);
   }
-  
+
   if (!unknown_fields().empty()) {
     target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
         unknown_fields(), target);
@@ -6497,7 +6941,7 @@ void UninterpretedOption_NamePart::SerializeWithCachedSizes(
 
 int UninterpretedOption_NamePart::ByteSize() const {
   int total_size = 0;
-  
+
   if (_has_bits_[0 / 32] & (0xffu << (0 % 32))) {
     // required string name_part = 1;
     if (has_name_part()) {
@@ -6505,12 +6949,12 @@ int UninterpretedOption_NamePart::ByteSize() const {
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->name_part());
     }
-    
+
     // required bool is_extension = 2;
     if (has_is_extension()) {
       total_size += 1 + 1;
     }
-    
+
   }
   if (!unknown_fields().empty()) {
     total_size +=
@@ -6538,10 +6982,10 @@ void UninterpretedOption_NamePart::MergeFrom(const ::google::protobuf::Message&
 void UninterpretedOption_NamePart::MergeFrom(const UninterpretedOption_NamePart& from) {
   GOOGLE_CHECK_NE(&from, this);
   if (from._has_bits_[0 / 32] & (0xffu << (0 % 32))) {
-    if (from._has_bit(0)) {
+    if (from.has_name_part()) {
       set_name_part(from.name_part());
     }
-    if (from._has_bit(1)) {
+    if (from.has_is_extension()) {
       set_is_extension(from.is_extension());
     }
   }
@@ -6562,7 +7006,7 @@ void UninterpretedOption_NamePart::CopyFrom(const UninterpretedOption_NamePart&
 
 bool UninterpretedOption_NamePart::IsInitialized() const {
   if ((_has_bits_[0] & 0x00000003) != 0x00000003) return false;
-  
+
   return true;
 }
 
@@ -6587,8 +7031,6 @@ void UninterpretedOption_NamePart::Swap(UninterpretedOption_NamePart* other) {
 
 // -------------------------------------------------------------------
 
-const ::std::string UninterpretedOption::_default_identifier_value_;
-const ::std::string UninterpretedOption::_default_string_value_;
 #ifndef _MSC_VER
 const int UninterpretedOption::kNameFieldNumber;
 const int UninterpretedOption::kIdentifierValueFieldNumber;
@@ -6596,6 +7038,7 @@ const int UninterpretedOption::kPositiveIntValueFieldNumber;
 const int UninterpretedOption::kNegativeIntValueFieldNumber;
 const int UninterpretedOption::kDoubleValueFieldNumber;
 const int UninterpretedOption::kStringValueFieldNumber;
+const int UninterpretedOption::kAggregateValueFieldNumber;
 #endif  // !_MSC_VER
 
 UninterpretedOption::UninterpretedOption()
@@ -6614,11 +7057,12 @@ UninterpretedOption::UninterpretedOption(const UninterpretedOption& from)
 
 void UninterpretedOption::SharedCtor() {
   _cached_size_ = 0;
-  identifier_value_ = const_cast< ::std::string*>(&_default_identifier_value_);
+  identifier_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
   positive_int_value_ = GOOGLE_ULONGLONG(0);
   negative_int_value_ = GOOGLE_LONGLONG(0);
   double_value_ = 0;
-  string_value_ = const_cast< ::std::string*>(&_default_string_value_);
+  string_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  aggregate_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
 }
 
@@ -6627,12 +7071,15 @@ UninterpretedOption::~UninterpretedOption() {
 }
 
 void UninterpretedOption::SharedDtor() {
-  if (identifier_value_ != &_default_identifier_value_) {
+  if (identifier_value_ != &::google::protobuf::internal::kEmptyString) {
     delete identifier_value_;
   }
-  if (string_value_ != &_default_string_value_) {
+  if (string_value_ != &::google::protobuf::internal::kEmptyString) {
     delete string_value_;
   }
+  if (aggregate_value_ != &::google::protobuf::internal::kEmptyString) {
+    delete aggregate_value_;
+  }
   if (this != default_instance_) {
   }
 }
@@ -6648,7 +7095,8 @@ const ::google::protobuf::Descriptor* UninterpretedOption::descriptor() {
 }
 
 const UninterpretedOption& UninterpretedOption::default_instance() {
-  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();  return *default_instance_;
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  return *default_instance_;
 }
 
 UninterpretedOption* UninterpretedOption::default_instance_ = NULL;
@@ -6659,19 +7107,24 @@ UninterpretedOption* UninterpretedOption::New() const {
 
 void UninterpretedOption::Clear() {
   if (_has_bits_[1 / 32] & (0xffu << (1 % 32))) {
-    if (_has_bit(1)) {
-      if (identifier_value_ != &_default_identifier_value_) {
+    if (has_identifier_value()) {
+      if (identifier_value_ != &::google::protobuf::internal::kEmptyString) {
         identifier_value_->clear();
       }
     }
     positive_int_value_ = GOOGLE_ULONGLONG(0);
     negative_int_value_ = GOOGLE_LONGLONG(0);
     double_value_ = 0;
-    if (_has_bit(5)) {
-      if (string_value_ != &_default_string_value_) {
+    if (has_string_value()) {
+      if (string_value_ != &::google::protobuf::internal::kEmptyString) {
         string_value_->clear();
       }
     }
+    if (has_aggregate_value()) {
+      if (aggregate_value_ != &::google::protobuf::internal::kEmptyString) {
+        aggregate_value_->clear();
+      }
+    }
   }
   name_.Clear();
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
@@ -6698,7 +7151,7 @@ bool UninterpretedOption::MergePartialFromCodedStream(
         if (input->ExpectTag(26)) goto parse_identifier_value;
         break;
       }
-      
+
       // optional string identifier_value = 3;
       case 3: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -6715,7 +7168,7 @@ bool UninterpretedOption::MergePartialFromCodedStream(
         if (input->ExpectTag(32)) goto parse_positive_int_value;
         break;
       }
-      
+
       // optional uint64 positive_int_value = 4;
       case 4: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -6724,14 +7177,14 @@ bool UninterpretedOption::MergePartialFromCodedStream(
           DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
                    ::google::protobuf::uint64, ::google::protobuf::internal::WireFormatLite::TYPE_UINT64>(
                  input, &positive_int_value_)));
-          _set_bit(2);
+          set_has_positive_int_value();
         } else {
           goto handle_uninterpreted;
         }
         if (input->ExpectTag(40)) goto parse_negative_int_value;
         break;
       }
-      
+
       // optional int64 negative_int_value = 5;
       case 5: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -6740,14 +7193,14 @@ bool UninterpretedOption::MergePartialFromCodedStream(
           DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
                    ::google::protobuf::int64, ::google::protobuf::internal::WireFormatLite::TYPE_INT64>(
                  input, &negative_int_value_)));
-          _set_bit(3);
+          set_has_negative_int_value();
         } else {
           goto handle_uninterpreted;
         }
         if (input->ExpectTag(49)) goto parse_double_value;
         break;
       }
-      
+
       // optional double double_value = 6;
       case 6: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -6756,14 +7209,14 @@ bool UninterpretedOption::MergePartialFromCodedStream(
           DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
                    double, ::google::protobuf::internal::WireFormatLite::TYPE_DOUBLE>(
                  input, &double_value_)));
-          _set_bit(4);
+          set_has_double_value();
         } else {
           goto handle_uninterpreted;
         }
         if (input->ExpectTag(58)) goto parse_string_value;
         break;
       }
-      
+
       // optional bytes string_value = 7;
       case 7: {
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -6774,10 +7227,27 @@ bool UninterpretedOption::MergePartialFromCodedStream(
         } else {
           goto handle_uninterpreted;
         }
+        if (input->ExpectTag(66)) goto parse_aggregate_value;
+        break;
+      }
+
+      // optional string aggregate_value = 8;
+      case 8: {
+        if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
+            ::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED) {
+         parse_aggregate_value:
+          DO_(::google::protobuf::internal::WireFormatLite::ReadString(
+                input, this->mutable_aggregate_value()));
+          ::google::protobuf::internal::WireFormat::VerifyUTF8String(
+            this->aggregate_value().data(), this->aggregate_value().length(),
+            ::google::protobuf::internal::WireFormat::PARSE);
+        } else {
+          goto handle_uninterpreted;
+        }
         if (input->ExpectAtEnd()) return true;
         break;
       }
-      
+
       default: {
       handle_uninterpreted:
         if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
@@ -6801,37 +7271,46 @@ void UninterpretedOption::SerializeWithCachedSizes(
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
       2, this->name(i), output);
   }
-  
+
   // optional string identifier_value = 3;
-  if (_has_bit(1)) {
+  if (has_identifier_value()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->identifier_value().data(), this->identifier_value().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
     ::google::protobuf::internal::WireFormatLite::WriteString(
       3, this->identifier_value(), output);
   }
-  
+
   // optional uint64 positive_int_value = 4;
-  if (_has_bit(2)) {
+  if (has_positive_int_value()) {
     ::google::protobuf::internal::WireFormatLite::WriteUInt64(4, this->positive_int_value(), output);
   }
-  
+
   // optional int64 negative_int_value = 5;
-  if (_has_bit(3)) {
+  if (has_negative_int_value()) {
     ::google::protobuf::internal::WireFormatLite::WriteInt64(5, this->negative_int_value(), output);
   }
-  
+
   // optional double double_value = 6;
-  if (_has_bit(4)) {
+  if (has_double_value()) {
     ::google::protobuf::internal::WireFormatLite::WriteDouble(6, this->double_value(), output);
   }
-  
+
   // optional bytes string_value = 7;
-  if (_has_bit(5)) {
+  if (has_string_value()) {
     ::google::protobuf::internal::WireFormatLite::WriteBytes(
       7, this->string_value(), output);
   }
-  
+
+  // optional string aggregate_value = 8;
+  if (has_aggregate_value()) {
+    ::google::protobuf::internal::WireFormat::VerifyUTF8String(
+      this->aggregate_value().data(), this->aggregate_value().length(),
+      ::google::protobuf::internal::WireFormat::SERIALIZE);
+    ::google::protobuf::internal::WireFormatLite::WriteString(
+      8, this->aggregate_value(), output);
+  }
+
   if (!unknown_fields().empty()) {
     ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
         unknown_fields(), output);
@@ -6846,9 +7325,9 @@ void UninterpretedOption::SerializeWithCachedSizes(
       WriteMessageNoVirtualToArray(
         2, this->name(i), target);
   }
-  
+
   // optional string identifier_value = 3;
-  if (_has_bit(1)) {
+  if (has_identifier_value()) {
     ::google::protobuf::internal::WireFormat::VerifyUTF8String(
       this->identifier_value().data(), this->identifier_value().length(),
       ::google::protobuf::internal::WireFormat::SERIALIZE);
@@ -6856,29 +7335,39 @@ void UninterpretedOption::SerializeWithCachedSizes(
       ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
         3, this->identifier_value(), target);
   }
-  
+
   // optional uint64 positive_int_value = 4;
-  if (_has_bit(2)) {
+  if (has_positive_int_value()) {
     target = ::google::protobuf::internal::WireFormatLite::WriteUInt64ToArray(4, this->positive_int_value(), target);
   }
-  
+
   // optional int64 negative_int_value = 5;
-  if (_has_bit(3)) {
+  if (has_negative_int_value()) {
     target = ::google::protobuf::internal::WireFormatLite::WriteInt64ToArray(5, this->negative_int_value(), target);
   }
-  
+
   // optional double double_value = 6;
-  if (_has_bit(4)) {
+  if (has_double_value()) {
     target = ::google::protobuf::internal::WireFormatLite::WriteDoubleToArray(6, this->double_value(), target);
   }
-  
+
   // optional bytes string_value = 7;
-  if (_has_bit(5)) {
+  if (has_string_value()) {
     target =
       ::google::protobuf::internal::WireFormatLite::WriteBytesToArray(
         7, this->string_value(), target);
   }
-  
+
+  // optional string aggregate_value = 8;
+  if (has_aggregate_value()) {
+    ::google::protobuf::internal::WireFormat::VerifyUTF8String(
+      this->aggregate_value().data(), this->aggregate_value().length(),
+      ::google::protobuf::internal::WireFormat::SERIALIZE);
+    target =
+      ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
+        8, this->aggregate_value(), target);
+  }
+
   if (!unknown_fields().empty()) {
     target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
         unknown_fields(), target);
@@ -6888,7 +7377,7 @@ void UninterpretedOption::SerializeWithCachedSizes(
 
 int UninterpretedOption::ByteSize() const {
   int total_size = 0;
-  
+
   if (_has_bits_[1 / 32] & (0xffu << (1 % 32))) {
     // optional string identifier_value = 3;
     if (has_identifier_value()) {
@@ -6896,33 +7385,40 @@ int UninterpretedOption::ByteSize() const {
         ::google::protobuf::internal::WireFormatLite::StringSize(
           this->identifier_value());
     }
-    
+
     // optional uint64 positive_int_value = 4;
     if (has_positive_int_value()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::UInt64Size(
           this->positive_int_value());
     }
-    
+
     // optional int64 negative_int_value = 5;
     if (has_negative_int_value()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::Int64Size(
           this->negative_int_value());
     }
-    
+
     // optional double double_value = 6;
     if (has_double_value()) {
       total_size += 1 + 8;
     }
-    
+
     // optional bytes string_value = 7;
     if (has_string_value()) {
       total_size += 1 +
         ::google::protobuf::internal::WireFormatLite::BytesSize(
           this->string_value());
     }
-    
+
+    // optional string aggregate_value = 8;
+    if (has_aggregate_value()) {
+      total_size += 1 +
+        ::google::protobuf::internal::WireFormatLite::StringSize(
+          this->aggregate_value());
+    }
+
   }
   // repeated .google.protobuf.UninterpretedOption.NamePart name = 2;
   total_size += 1 * this->name_size();
@@ -6931,7 +7427,7 @@ int UninterpretedOption::ByteSize() const {
       ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
         this->name(i));
   }
-  
+
   if (!unknown_fields().empty()) {
     total_size +=
       ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
@@ -6959,21 +7455,24 @@ void UninterpretedOption::MergeFrom(const UninterpretedOption& from) {
   GOOGLE_CHECK_NE(&from, this);
   name_.MergeFrom(from.name_);
   if (from._has_bits_[1 / 32] & (0xffu << (1 % 32))) {
-    if (from._has_bit(1)) {
+    if (from.has_identifier_value()) {
       set_identifier_value(from.identifier_value());
     }
-    if (from._has_bit(2)) {
+    if (from.has_positive_int_value()) {
       set_positive_int_value(from.positive_int_value());
     }
-    if (from._has_bit(3)) {
+    if (from.has_negative_int_value()) {
       set_negative_int_value(from.negative_int_value());
     }
-    if (from._has_bit(4)) {
+    if (from.has_double_value()) {
       set_double_value(from.double_value());
     }
-    if (from._has_bit(5)) {
+    if (from.has_string_value()) {
       set_string_value(from.string_value());
     }
+    if (from.has_aggregate_value()) {
+      set_aggregate_value(from.aggregate_value());
+    }
   }
   mutable_unknown_fields()->MergeFrom(from.unknown_fields());
 }
@@ -6991,7 +7490,7 @@ void UninterpretedOption::CopyFrom(const UninterpretedOption& from) {
 }
 
 bool UninterpretedOption::IsInitialized() const {
-  
+
   for (int i = 0; i < name_size(); i++) {
     if (!this->name(i).IsInitialized()) return false;
   }
@@ -7006,6 +7505,7 @@ void UninterpretedOption::Swap(UninterpretedOption* other) {
     std::swap(negative_int_value_, other->negative_int_value_);
     std::swap(double_value_, other->double_value_);
     std::swap(string_value_, other->string_value_);
+    std::swap(aggregate_value_, other->aggregate_value_);
     std::swap(_has_bits_[0], other->_has_bits_[0]);
     _unknown_fields_.Swap(&other->_unknown_fields_);
     std::swap(_cached_size_, other->_cached_size_);
@@ -7021,6 +7521,623 @@ void UninterpretedOption::Swap(UninterpretedOption* other) {
 }
 
 
+// ===================================================================
+
+#ifndef _MSC_VER
+const int SourceCodeInfo_Location::kPathFieldNumber;
+const int SourceCodeInfo_Location::kSpanFieldNumber;
+const int SourceCodeInfo_Location::kLeadingCommentsFieldNumber;
+const int SourceCodeInfo_Location::kTrailingCommentsFieldNumber;
+#endif  // !_MSC_VER
+
+SourceCodeInfo_Location::SourceCodeInfo_Location()
+  : ::google::protobuf::Message() {
+  SharedCtor();
+}
+
+void SourceCodeInfo_Location::InitAsDefaultInstance() {
+}
+
+SourceCodeInfo_Location::SourceCodeInfo_Location(const SourceCodeInfo_Location& from)
+  : ::google::protobuf::Message() {
+  SharedCtor();
+  MergeFrom(from);
+}
+
+void SourceCodeInfo_Location::SharedCtor() {
+  _cached_size_ = 0;
+  leading_comments_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  trailing_comments_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  ::memset(_has_bits_, 0, sizeof(_has_bits_));
+}
+
+SourceCodeInfo_Location::~SourceCodeInfo_Location() {
+  SharedDtor();
+}
+
+void SourceCodeInfo_Location::SharedDtor() {
+  if (leading_comments_ != &::google::protobuf::internal::kEmptyString) {
+    delete leading_comments_;
+  }
+  if (trailing_comments_ != &::google::protobuf::internal::kEmptyString) {
+    delete trailing_comments_;
+  }
+  if (this != default_instance_) {
+  }
+}
+
+void SourceCodeInfo_Location::SetCachedSize(int size) const {
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+}
+const ::google::protobuf::Descriptor* SourceCodeInfo_Location::descriptor() {
+  protobuf_AssignDescriptorsOnce();
+  return SourceCodeInfo_Location_descriptor_;
+}
+
+const SourceCodeInfo_Location& SourceCodeInfo_Location::default_instance() {
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  return *default_instance_;
+}
+
+SourceCodeInfo_Location* SourceCodeInfo_Location::default_instance_ = NULL;
+
+SourceCodeInfo_Location* SourceCodeInfo_Location::New() const {
+  return new SourceCodeInfo_Location;
+}
+
+void SourceCodeInfo_Location::Clear() {
+  if (_has_bits_[2 / 32] & (0xffu << (2 % 32))) {
+    if (has_leading_comments()) {
+      if (leading_comments_ != &::google::protobuf::internal::kEmptyString) {
+        leading_comments_->clear();
+      }
+    }
+    if (has_trailing_comments()) {
+      if (trailing_comments_ != &::google::protobuf::internal::kEmptyString) {
+        trailing_comments_->clear();
+      }
+    }
+  }
+  path_.Clear();
+  span_.Clear();
+  ::memset(_has_bits_, 0, sizeof(_has_bits_));
+  mutable_unknown_fields()->Clear();
+}
+
+bool SourceCodeInfo_Location::MergePartialFromCodedStream(
+    ::google::protobuf::io::CodedInputStream* input) {
+#define DO_(EXPRESSION) if (!(EXPRESSION)) return false
+  ::google::protobuf::uint32 tag;
+  while ((tag = input->ReadTag()) != 0) {
+    switch (::google::protobuf::internal::WireFormatLite::GetTagFieldNumber(tag)) {
+      // repeated int32 path = 1 [packed = true];
+      case 1: {
+        if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
+            ::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED) {
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPackedPrimitive<
+                   ::google::protobuf::int32, ::google::protobuf::internal::WireFormatLite::TYPE_INT32>(
+                 input, this->mutable_path())));
+        } else if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag)
+                   == ::google::protobuf::internal::WireFormatLite::
+                      WIRETYPE_VARINT) {
+          DO_((::google::protobuf::internal::WireFormatLite::ReadRepeatedPrimitiveNoInline<
+                   ::google::protobuf::int32, ::google::protobuf::internal::WireFormatLite::TYPE_INT32>(
+                 1, 10, input, this->mutable_path())));
+        } else {
+          goto handle_uninterpreted;
+        }
+        if (input->ExpectTag(18)) goto parse_span;
+        break;
+      }
+
+      // repeated int32 span = 2 [packed = true];
+      case 2: {
+        if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
+            ::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED) {
+         parse_span:
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPackedPrimitive<
+                   ::google::protobuf::int32, ::google::protobuf::internal::WireFormatLite::TYPE_INT32>(
+                 input, this->mutable_span())));
+        } else if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag)
+                   == ::google::protobuf::internal::WireFormatLite::
+                      WIRETYPE_VARINT) {
+          DO_((::google::protobuf::internal::WireFormatLite::ReadRepeatedPrimitiveNoInline<
+                   ::google::protobuf::int32, ::google::protobuf::internal::WireFormatLite::TYPE_INT32>(
+                 1, 18, input, this->mutable_span())));
+        } else {
+          goto handle_uninterpreted;
+        }
+        if (input->ExpectTag(26)) goto parse_leading_comments;
+        break;
+      }
+
+      // optional string leading_comments = 3;
+      case 3: {
+        if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
+            ::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED) {
+         parse_leading_comments:
+          DO_(::google::protobuf::internal::WireFormatLite::ReadString(
+                input, this->mutable_leading_comments()));
+          ::google::protobuf::internal::WireFormat::VerifyUTF8String(
+            this->leading_comments().data(), this->leading_comments().length(),
+            ::google::protobuf::internal::WireFormat::PARSE);
+        } else {
+          goto handle_uninterpreted;
+        }
+        if (input->ExpectTag(34)) goto parse_trailing_comments;
+        break;
+      }
+
+      // optional string trailing_comments = 4;
+      case 4: {
+        if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
+            ::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED) {
+         parse_trailing_comments:
+          DO_(::google::protobuf::internal::WireFormatLite::ReadString(
+                input, this->mutable_trailing_comments()));
+          ::google::protobuf::internal::WireFormat::VerifyUTF8String(
+            this->trailing_comments().data(), this->trailing_comments().length(),
+            ::google::protobuf::internal::WireFormat::PARSE);
+        } else {
+          goto handle_uninterpreted;
+        }
+        if (input->ExpectAtEnd()) return true;
+        break;
+      }
+
+      default: {
+      handle_uninterpreted:
+        if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
+            ::google::protobuf::internal::WireFormatLite::WIRETYPE_END_GROUP) {
+          return true;
+        }
+        DO_(::google::protobuf::internal::WireFormat::SkipField(
+              input, tag, mutable_unknown_fields()));
+        break;
+      }
+    }
+  }
+  return true;
+#undef DO_
+}
+
+void SourceCodeInfo_Location::SerializeWithCachedSizes(
+    ::google::protobuf::io::CodedOutputStream* output) const {
+  // repeated int32 path = 1 [packed = true];
+  if (this->path_size() > 0) {
+    ::google::protobuf::internal::WireFormatLite::WriteTag(1, ::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED, output);
+    output->WriteVarint32(_path_cached_byte_size_);
+  }
+  for (int i = 0; i < this->path_size(); i++) {
+    ::google::protobuf::internal::WireFormatLite::WriteInt32NoTag(
+      this->path(i), output);
+  }
+
+  // repeated int32 span = 2 [packed = true];
+  if (this->span_size() > 0) {
+    ::google::protobuf::internal::WireFormatLite::WriteTag(2, ::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED, output);
+    output->WriteVarint32(_span_cached_byte_size_);
+  }
+  for (int i = 0; i < this->span_size(); i++) {
+    ::google::protobuf::internal::WireFormatLite::WriteInt32NoTag(
+      this->span(i), output);
+  }
+
+  // optional string leading_comments = 3;
+  if (has_leading_comments()) {
+    ::google::protobuf::internal::WireFormat::VerifyUTF8String(
+      this->leading_comments().data(), this->leading_comments().length(),
+      ::google::protobuf::internal::WireFormat::SERIALIZE);
+    ::google::protobuf::internal::WireFormatLite::WriteString(
+      3, this->leading_comments(), output);
+  }
+
+  // optional string trailing_comments = 4;
+  if (has_trailing_comments()) {
+    ::google::protobuf::internal::WireFormat::VerifyUTF8String(
+      this->trailing_comments().data(), this->trailing_comments().length(),
+      ::google::protobuf::internal::WireFormat::SERIALIZE);
+    ::google::protobuf::internal::WireFormatLite::WriteString(
+      4, this->trailing_comments(), output);
+  }
+
+  if (!unknown_fields().empty()) {
+    ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
+        unknown_fields(), output);
+  }
+}
+
+::google::protobuf::uint8* SourceCodeInfo_Location::SerializeWithCachedSizesToArray(
+    ::google::protobuf::uint8* target) const {
+  // repeated int32 path = 1 [packed = true];
+  if (this->path_size() > 0) {
+    target = ::google::protobuf::internal::WireFormatLite::WriteTagToArray(
+      1,
+      ::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED,
+      target);
+    target = ::google::protobuf::io::CodedOutputStream::WriteVarint32ToArray(
+      _path_cached_byte_size_, target);
+  }
+  for (int i = 0; i < this->path_size(); i++) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      WriteInt32NoTagToArray(this->path(i), target);
+  }
+
+  // repeated int32 span = 2 [packed = true];
+  if (this->span_size() > 0) {
+    target = ::google::protobuf::internal::WireFormatLite::WriteTagToArray(
+      2,
+      ::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED,
+      target);
+    target = ::google::protobuf::io::CodedOutputStream::WriteVarint32ToArray(
+      _span_cached_byte_size_, target);
+  }
+  for (int i = 0; i < this->span_size(); i++) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      WriteInt32NoTagToArray(this->span(i), target);
+  }
+
+  // optional string leading_comments = 3;
+  if (has_leading_comments()) {
+    ::google::protobuf::internal::WireFormat::VerifyUTF8String(
+      this->leading_comments().data(), this->leading_comments().length(),
+      ::google::protobuf::internal::WireFormat::SERIALIZE);
+    target =
+      ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
+        3, this->leading_comments(), target);
+  }
+
+  // optional string trailing_comments = 4;
+  if (has_trailing_comments()) {
+    ::google::protobuf::internal::WireFormat::VerifyUTF8String(
+      this->trailing_comments().data(), this->trailing_comments().length(),
+      ::google::protobuf::internal::WireFormat::SERIALIZE);
+    target =
+      ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
+        4, this->trailing_comments(), target);
+  }
+
+  if (!unknown_fields().empty()) {
+    target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
+        unknown_fields(), target);
+  }
+  return target;
+}
+
+int SourceCodeInfo_Location::ByteSize() const {
+  int total_size = 0;
+
+  if (_has_bits_[2 / 32] & (0xffu << (2 % 32))) {
+    // optional string leading_comments = 3;
+    if (has_leading_comments()) {
+      total_size += 1 +
+        ::google::protobuf::internal::WireFormatLite::StringSize(
+          this->leading_comments());
+    }
+
+    // optional string trailing_comments = 4;
+    if (has_trailing_comments()) {
+      total_size += 1 +
+        ::google::protobuf::internal::WireFormatLite::StringSize(
+          this->trailing_comments());
+    }
+
+  }
+  // repeated int32 path = 1 [packed = true];
+  {
+    int data_size = 0;
+    for (int i = 0; i < this->path_size(); i++) {
+      data_size += ::google::protobuf::internal::WireFormatLite::
+        Int32Size(this->path(i));
+    }
+    if (data_size > 0) {
+      total_size += 1 +
+        ::google::protobuf::internal::WireFormatLite::Int32Size(data_size);
+    }
+    GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+    _path_cached_byte_size_ = data_size;
+    GOOGLE_SAFE_CONCURRENT_WRITES_END();
+    total_size += data_size;
+  }
+
+  // repeated int32 span = 2 [packed = true];
+  {
+    int data_size = 0;
+    for (int i = 0; i < this->span_size(); i++) {
+      data_size += ::google::protobuf::internal::WireFormatLite::
+        Int32Size(this->span(i));
+    }
+    if (data_size > 0) {
+      total_size += 1 +
+        ::google::protobuf::internal::WireFormatLite::Int32Size(data_size);
+    }
+    GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+    _span_cached_byte_size_ = data_size;
+    GOOGLE_SAFE_CONCURRENT_WRITES_END();
+    total_size += data_size;
+  }
+
+  if (!unknown_fields().empty()) {
+    total_size +=
+      ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
+        unknown_fields());
+  }
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = total_size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+  return total_size;
+}
+
+void SourceCodeInfo_Location::MergeFrom(const ::google::protobuf::Message& from) {
+  GOOGLE_CHECK_NE(&from, this);
+  const SourceCodeInfo_Location* source =
+    ::google::protobuf::internal::dynamic_cast_if_available<const SourceCodeInfo_Location*>(
+      &from);
+  if (source == NULL) {
+    ::google::protobuf::internal::ReflectionOps::Merge(from, this);
+  } else {
+    MergeFrom(*source);
+  }
+}
+
+void SourceCodeInfo_Location::MergeFrom(const SourceCodeInfo_Location& from) {
+  GOOGLE_CHECK_NE(&from, this);
+  path_.MergeFrom(from.path_);
+  span_.MergeFrom(from.span_);
+  if (from._has_bits_[2 / 32] & (0xffu << (2 % 32))) {
+    if (from.has_leading_comments()) {
+      set_leading_comments(from.leading_comments());
+    }
+    if (from.has_trailing_comments()) {
+      set_trailing_comments(from.trailing_comments());
+    }
+  }
+  mutable_unknown_fields()->MergeFrom(from.unknown_fields());
+}
+
+void SourceCodeInfo_Location::CopyFrom(const ::google::protobuf::Message& from) {
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+void SourceCodeInfo_Location::CopyFrom(const SourceCodeInfo_Location& from) {
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool SourceCodeInfo_Location::IsInitialized() const {
+
+  return true;
+}
+
+void SourceCodeInfo_Location::Swap(SourceCodeInfo_Location* other) {
+  if (other != this) {
+    path_.Swap(&other->path_);
+    span_.Swap(&other->span_);
+    std::swap(leading_comments_, other->leading_comments_);
+    std::swap(trailing_comments_, other->trailing_comments_);
+    std::swap(_has_bits_[0], other->_has_bits_[0]);
+    _unknown_fields_.Swap(&other->_unknown_fields_);
+    std::swap(_cached_size_, other->_cached_size_);
+  }
+}
+
+::google::protobuf::Metadata SourceCodeInfo_Location::GetMetadata() const {
+  protobuf_AssignDescriptorsOnce();
+  ::google::protobuf::Metadata metadata;
+  metadata.descriptor = SourceCodeInfo_Location_descriptor_;
+  metadata.reflection = SourceCodeInfo_Location_reflection_;
+  return metadata;
+}
+
+
+// -------------------------------------------------------------------
+
+#ifndef _MSC_VER
+const int SourceCodeInfo::kLocationFieldNumber;
+#endif  // !_MSC_VER
+
+SourceCodeInfo::SourceCodeInfo()
+  : ::google::protobuf::Message() {
+  SharedCtor();
+}
+
+void SourceCodeInfo::InitAsDefaultInstance() {
+}
+
+SourceCodeInfo::SourceCodeInfo(const SourceCodeInfo& from)
+  : ::google::protobuf::Message() {
+  SharedCtor();
+  MergeFrom(from);
+}
+
+void SourceCodeInfo::SharedCtor() {
+  _cached_size_ = 0;
+  ::memset(_has_bits_, 0, sizeof(_has_bits_));
+}
+
+SourceCodeInfo::~SourceCodeInfo() {
+  SharedDtor();
+}
+
+void SourceCodeInfo::SharedDtor() {
+  if (this != default_instance_) {
+  }
+}
+
+void SourceCodeInfo::SetCachedSize(int size) const {
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+}
+const ::google::protobuf::Descriptor* SourceCodeInfo::descriptor() {
+  protobuf_AssignDescriptorsOnce();
+  return SourceCodeInfo_descriptor_;
+}
+
+const SourceCodeInfo& SourceCodeInfo::default_instance() {
+  if (default_instance_ == NULL) protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  return *default_instance_;
+}
+
+SourceCodeInfo* SourceCodeInfo::default_instance_ = NULL;
+
+SourceCodeInfo* SourceCodeInfo::New() const {
+  return new SourceCodeInfo;
+}
+
+void SourceCodeInfo::Clear() {
+  location_.Clear();
+  ::memset(_has_bits_, 0, sizeof(_has_bits_));
+  mutable_unknown_fields()->Clear();
+}
+
+bool SourceCodeInfo::MergePartialFromCodedStream(
+    ::google::protobuf::io::CodedInputStream* input) {
+#define DO_(EXPRESSION) if (!(EXPRESSION)) return false
+  ::google::protobuf::uint32 tag;
+  while ((tag = input->ReadTag()) != 0) {
+    switch (::google::protobuf::internal::WireFormatLite::GetTagFieldNumber(tag)) {
+      // repeated .google.protobuf.SourceCodeInfo.Location location = 1;
+      case 1: {
+        if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
+            ::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED) {
+         parse_location:
+          DO_(::google::protobuf::internal::WireFormatLite::ReadMessageNoVirtual(
+                input, add_location()));
+        } else {
+          goto handle_uninterpreted;
+        }
+        if (input->ExpectTag(10)) goto parse_location;
+        if (input->ExpectAtEnd()) return true;
+        break;
+      }
+
+      default: {
+      handle_uninterpreted:
+        if (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==
+            ::google::protobuf::internal::WireFormatLite::WIRETYPE_END_GROUP) {
+          return true;
+        }
+        DO_(::google::protobuf::internal::WireFormat::SkipField(
+              input, tag, mutable_unknown_fields()));
+        break;
+      }
+    }
+  }
+  return true;
+#undef DO_
+}
+
+void SourceCodeInfo::SerializeWithCachedSizes(
+    ::google::protobuf::io::CodedOutputStream* output) const {
+  // repeated .google.protobuf.SourceCodeInfo.Location location = 1;
+  for (int i = 0; i < this->location_size(); i++) {
+    ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
+      1, this->location(i), output);
+  }
+
+  if (!unknown_fields().empty()) {
+    ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
+        unknown_fields(), output);
+  }
+}
+
+::google::protobuf::uint8* SourceCodeInfo::SerializeWithCachedSizesToArray(
+    ::google::protobuf::uint8* target) const {
+  // repeated .google.protobuf.SourceCodeInfo.Location location = 1;
+  for (int i = 0; i < this->location_size(); i++) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      WriteMessageNoVirtualToArray(
+        1, this->location(i), target);
+  }
+
+  if (!unknown_fields().empty()) {
+    target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
+        unknown_fields(), target);
+  }
+  return target;
+}
+
+int SourceCodeInfo::ByteSize() const {
+  int total_size = 0;
+
+  // repeated .google.protobuf.SourceCodeInfo.Location location = 1;
+  total_size += 1 * this->location_size();
+  for (int i = 0; i < this->location_size(); i++) {
+    total_size +=
+      ::google::protobuf::internal::WireFormatLite::MessageSizeNoVirtual(
+        this->location(i));
+  }
+
+  if (!unknown_fields().empty()) {
+    total_size +=
+      ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
+        unknown_fields());
+  }
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = total_size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+  return total_size;
+}
+
+void SourceCodeInfo::MergeFrom(const ::google::protobuf::Message& from) {
+  GOOGLE_CHECK_NE(&from, this);
+  const SourceCodeInfo* source =
+    ::google::protobuf::internal::dynamic_cast_if_available<const SourceCodeInfo*>(
+      &from);
+  if (source == NULL) {
+    ::google::protobuf::internal::ReflectionOps::Merge(from, this);
+  } else {
+    MergeFrom(*source);
+  }
+}
+
+void SourceCodeInfo::MergeFrom(const SourceCodeInfo& from) {
+  GOOGLE_CHECK_NE(&from, this);
+  location_.MergeFrom(from.location_);
+  mutable_unknown_fields()->MergeFrom(from.unknown_fields());
+}
+
+void SourceCodeInfo::CopyFrom(const ::google::protobuf::Message& from) {
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+void SourceCodeInfo::CopyFrom(const SourceCodeInfo& from) {
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool SourceCodeInfo::IsInitialized() const {
+
+  return true;
+}
+
+void SourceCodeInfo::Swap(SourceCodeInfo* other) {
+  if (other != this) {
+    location_.Swap(&other->location_);
+    std::swap(_has_bits_[0], other->_has_bits_[0]);
+    _unknown_fields_.Swap(&other->_unknown_fields_);
+    std::swap(_cached_size_, other->_cached_size_);
+  }
+}
+
+::google::protobuf::Metadata SourceCodeInfo::GetMetadata() const {
+  protobuf_AssignDescriptorsOnce();
+  ::google::protobuf::Metadata metadata;
+  metadata.descriptor = SourceCodeInfo_descriptor_;
+  metadata.reflection = SourceCodeInfo_reflection_;
+  return metadata;
+}
+
+
 // @@protoc_insertion_point(namespace_scope)
 
 }  // namespace protobuf
diff --git a/common/protobuf-2.3.0/src/google/protobuf/descriptor.pb.h b/common/protobuf-2.5.0/src/google/protobuf/descriptor.pb.h
similarity index 64%
rename from common/protobuf-2.3.0/src/google/protobuf/descriptor.pb.h
rename to common/protobuf-2.5.0/src/google/protobuf/descriptor.pb.h
index 2743b6f5..07cf8077 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/descriptor.pb.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/descriptor.pb.h
@@ -8,21 +8,23 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 2003000
+#if GOOGLE_PROTOBUF_VERSION < 2005000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 2003000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 2005000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
 #endif
 
 #include <google/protobuf/generated_message_util.h>
+#include <google/protobuf/message.h>
 #include <google/protobuf/repeated_field.h>
 #include <google/protobuf/extension_set.h>
-#include <google/protobuf/generated_message_reflection.h>
+#include <google/protobuf/generated_enum_reflection.h>
+#include <google/protobuf/unknown_field_set.h>
 // @@protoc_insertion_point(includes)
 
 namespace google {
@@ -51,6 +53,8 @@ class ServiceOptions;
 class MethodOptions;
 class UninterpretedOption;
 class UninterpretedOption_NamePart;
+class SourceCodeInfo;
+class SourceCodeInfo_Location;
 
 enum FieldDescriptorProto_Type {
   FieldDescriptorProto_Type_TYPE_DOUBLE = 1,
@@ -153,29 +157,29 @@ class LIBPROTOBUF_EXPORT FileDescriptorSet : public ::google::protobuf::Message
  public:
   FileDescriptorSet();
   virtual ~FileDescriptorSet();
-  
+
   FileDescriptorSet(const FileDescriptorSet& from);
-  
+
   inline FileDescriptorSet& operator=(const FileDescriptorSet& from) {
     CopyFrom(from);
     return *this;
   }
-  
+
   inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
     return _unknown_fields_;
   }
-  
+
   inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
     return &_unknown_fields_;
   }
-  
+
   static const ::google::protobuf::Descriptor* descriptor();
   static const FileDescriptorSet& default_instance();
-  
+
   void Swap(FileDescriptorSet* other);
-  
+
   // implements Message ----------------------------------------------
-  
+
   FileDescriptorSet* New() const;
   void CopyFrom(const ::google::protobuf::Message& from);
   void MergeFrom(const ::google::protobuf::Message& from);
@@ -183,7 +187,7 @@ class LIBPROTOBUF_EXPORT FileDescriptorSet : public ::google::protobuf::Message
   void MergeFrom(const FileDescriptorSet& from);
   void Clear();
   bool IsInitialized() const;
-  
+
   int ByteSize() const;
   bool MergePartialFromCodedStream(
       ::google::protobuf::io::CodedInputStream* input);
@@ -196,13 +200,13 @@ class LIBPROTOBUF_EXPORT FileDescriptorSet : public ::google::protobuf::Message
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-  
+
   ::google::protobuf::Metadata GetMetadata() const;
-  
+
   // nested types ----------------------------------------------------
-  
+
   // accessors -------------------------------------------------------
-  
+
   // repeated .google.protobuf.FileDescriptorProto file = 1;
   inline int file_size() const;
   inline void clear_file();
@@ -214,30 +218,21 @@ class LIBPROTOBUF_EXPORT FileDescriptorSet : public ::google::protobuf::Message
       file() const;
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::FileDescriptorProto >*
       mutable_file();
-  
+
   // @@protoc_insertion_point(class_scope:google.protobuf.FileDescriptorSet)
  private:
+
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
-  mutable int _cached_size_;
-  
+
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::FileDescriptorProto > file_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(1 + 31) / 32];
+
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
-  
-  ::google::protobuf::uint32 _has_bits_[(1 + 31) / 32];
-  
-  // WHY DOES & HAVE LOWER PRECEDENCE THAN != !?
-  inline bool _has_bit(int index) const {
-    return (_has_bits_[index / 32] & (1u << (index % 32))) != 0;
-  }
-  inline void _set_bit(int index) {
-    _has_bits_[index / 32] |= (1u << (index % 32));
-  }
-  inline void _clear_bit(int index) {
-    _has_bits_[index / 32] &= ~(1u << (index % 32));
-  }
-  
+
   void InitAsDefaultInstance();
   static FileDescriptorSet* default_instance_;
 };
@@ -247,29 +242,29 @@ class LIBPROTOBUF_EXPORT FileDescriptorProto : public ::google::protobuf::Messag
  public:
   FileDescriptorProto();
   virtual ~FileDescriptorProto();
-  
+
   FileDescriptorProto(const FileDescriptorProto& from);
-  
+
   inline FileDescriptorProto& operator=(const FileDescriptorProto& from) {
     CopyFrom(from);
     return *this;
   }
-  
+
   inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
     return _unknown_fields_;
   }
-  
+
   inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
     return &_unknown_fields_;
   }
-  
+
   static const ::google::protobuf::Descriptor* descriptor();
   static const FileDescriptorProto& default_instance();
-  
+
   void Swap(FileDescriptorProto* other);
-  
+
   // implements Message ----------------------------------------------
-  
+
   FileDescriptorProto* New() const;
   void CopyFrom(const ::google::protobuf::Message& from);
   void MergeFrom(const ::google::protobuf::Message& from);
@@ -277,7 +272,7 @@ class LIBPROTOBUF_EXPORT FileDescriptorProto : public ::google::protobuf::Messag
   void MergeFrom(const FileDescriptorProto& from);
   void Clear();
   bool IsInitialized() const;
-  
+
   int ByteSize() const;
   bool MergePartialFromCodedStream(
       ::google::protobuf::io::CodedInputStream* input);
@@ -290,13 +285,13 @@ class LIBPROTOBUF_EXPORT FileDescriptorProto : public ::google::protobuf::Messag
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-  
+
   ::google::protobuf::Metadata GetMetadata() const;
-  
+
   // nested types ----------------------------------------------------
-  
+
   // accessors -------------------------------------------------------
-  
+
   // optional string name = 1;
   inline bool has_name() const;
   inline void clear_name();
@@ -306,7 +301,9 @@ class LIBPROTOBUF_EXPORT FileDescriptorProto : public ::google::protobuf::Messag
   inline void set_name(const char* value);
   inline void set_name(const char* value, size_t size);
   inline ::std::string* mutable_name();
-  
+  inline ::std::string* release_name();
+  inline void set_allocated_name(::std::string* name);
+
   // optional string package = 2;
   inline bool has_package() const;
   inline void clear_package();
@@ -316,7 +313,9 @@ class LIBPROTOBUF_EXPORT FileDescriptorProto : public ::google::protobuf::Messag
   inline void set_package(const char* value);
   inline void set_package(const char* value, size_t size);
   inline ::std::string* mutable_package();
-  
+  inline ::std::string* release_package();
+  inline void set_allocated_package(::std::string* package);
+
   // repeated string dependency = 3;
   inline int dependency_size() const;
   inline void clear_dependency();
@@ -332,7 +331,31 @@ class LIBPROTOBUF_EXPORT FileDescriptorProto : public ::google::protobuf::Messag
   inline void add_dependency(const char* value, size_t size);
   inline const ::google::protobuf::RepeatedPtrField< ::std::string>& dependency() const;
   inline ::google::protobuf::RepeatedPtrField< ::std::string>* mutable_dependency();
-  
+
+  // repeated int32 public_dependency = 10;
+  inline int public_dependency_size() const;
+  inline void clear_public_dependency();
+  static const int kPublicDependencyFieldNumber = 10;
+  inline ::google::protobuf::int32 public_dependency(int index) const;
+  inline void set_public_dependency(int index, ::google::protobuf::int32 value);
+  inline void add_public_dependency(::google::protobuf::int32 value);
+  inline const ::google::protobuf::RepeatedField< ::google::protobuf::int32 >&
+      public_dependency() const;
+  inline ::google::protobuf::RepeatedField< ::google::protobuf::int32 >*
+      mutable_public_dependency();
+
+  // repeated int32 weak_dependency = 11;
+  inline int weak_dependency_size() const;
+  inline void clear_weak_dependency();
+  static const int kWeakDependencyFieldNumber = 11;
+  inline ::google::protobuf::int32 weak_dependency(int index) const;
+  inline void set_weak_dependency(int index, ::google::protobuf::int32 value);
+  inline void add_weak_dependency(::google::protobuf::int32 value);
+  inline const ::google::protobuf::RepeatedField< ::google::protobuf::int32 >&
+      weak_dependency() const;
+  inline ::google::protobuf::RepeatedField< ::google::protobuf::int32 >*
+      mutable_weak_dependency();
+
   // repeated .google.protobuf.DescriptorProto message_type = 4;
   inline int message_type_size() const;
   inline void clear_message_type();
@@ -344,7 +367,7 @@ class LIBPROTOBUF_EXPORT FileDescriptorProto : public ::google::protobuf::Messag
       message_type() const;
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::DescriptorProto >*
       mutable_message_type();
-  
+
   // repeated .google.protobuf.EnumDescriptorProto enum_type = 5;
   inline int enum_type_size() const;
   inline void clear_enum_type();
@@ -356,7 +379,7 @@ class LIBPROTOBUF_EXPORT FileDescriptorProto : public ::google::protobuf::Messag
       enum_type() const;
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::EnumDescriptorProto >*
       mutable_enum_type();
-  
+
   // repeated .google.protobuf.ServiceDescriptorProto service = 6;
   inline int service_size() const;
   inline void clear_service();
@@ -368,7 +391,7 @@ class LIBPROTOBUF_EXPORT FileDescriptorProto : public ::google::protobuf::Messag
       service() const;
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::ServiceDescriptorProto >*
       mutable_service();
-  
+
   // repeated .google.protobuf.FieldDescriptorProto extension = 7;
   inline int extension_size() const;
   inline void clear_extension();
@@ -380,46 +403,57 @@ class LIBPROTOBUF_EXPORT FileDescriptorProto : public ::google::protobuf::Messag
       extension() const;
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::FieldDescriptorProto >*
       mutable_extension();
-  
+
   // optional .google.protobuf.FileOptions options = 8;
   inline bool has_options() const;
   inline void clear_options();
   static const int kOptionsFieldNumber = 8;
   inline const ::google::protobuf::FileOptions& options() const;
   inline ::google::protobuf::FileOptions* mutable_options();
-  
+  inline ::google::protobuf::FileOptions* release_options();
+  inline void set_allocated_options(::google::protobuf::FileOptions* options);
+
+  // optional .google.protobuf.SourceCodeInfo source_code_info = 9;
+  inline bool has_source_code_info() const;
+  inline void clear_source_code_info();
+  static const int kSourceCodeInfoFieldNumber = 9;
+  inline const ::google::protobuf::SourceCodeInfo& source_code_info() const;
+  inline ::google::protobuf::SourceCodeInfo* mutable_source_code_info();
+  inline ::google::protobuf::SourceCodeInfo* release_source_code_info();
+  inline void set_allocated_source_code_info(::google::protobuf::SourceCodeInfo* source_code_info);
+
   // @@protoc_insertion_point(class_scope:google.protobuf.FileDescriptorProto)
  private:
+  inline void set_has_name();
+  inline void clear_has_name();
+  inline void set_has_package();
+  inline void clear_has_package();
+  inline void set_has_options();
+  inline void clear_has_options();
+  inline void set_has_source_code_info();
+  inline void clear_has_source_code_info();
+
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
-  mutable int _cached_size_;
-  
+
   ::std::string* name_;
-  static const ::std::string _default_name_;
   ::std::string* package_;
-  static const ::std::string _default_package_;
   ::google::protobuf::RepeatedPtrField< ::std::string> dependency_;
+  ::google::protobuf::RepeatedField< ::google::protobuf::int32 > public_dependency_;
+  ::google::protobuf::RepeatedField< ::google::protobuf::int32 > weak_dependency_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::DescriptorProto > message_type_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::EnumDescriptorProto > enum_type_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::ServiceDescriptorProto > service_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::FieldDescriptorProto > extension_;
   ::google::protobuf::FileOptions* options_;
+  ::google::protobuf::SourceCodeInfo* source_code_info_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(11 + 31) / 32];
+
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
-  
-  ::google::protobuf::uint32 _has_bits_[(8 + 31) / 32];
-  
-  // WHY DOES & HAVE LOWER PRECEDENCE THAN != !?
-  inline bool _has_bit(int index) const {
-    return (_has_bits_[index / 32] & (1u << (index % 32))) != 0;
-  }
-  inline void _set_bit(int index) {
-    _has_bits_[index / 32] |= (1u << (index % 32));
-  }
-  inline void _clear_bit(int index) {
-    _has_bits_[index / 32] &= ~(1u << (index % 32));
-  }
-  
+
   void InitAsDefaultInstance();
   static FileDescriptorProto* default_instance_;
 };
@@ -429,29 +463,29 @@ class LIBPROTOBUF_EXPORT DescriptorProto_ExtensionRange : public ::google::proto
  public:
   DescriptorProto_ExtensionRange();
   virtual ~DescriptorProto_ExtensionRange();
-  
+
   DescriptorProto_ExtensionRange(const DescriptorProto_ExtensionRange& from);
-  
+
   inline DescriptorProto_ExtensionRange& operator=(const DescriptorProto_ExtensionRange& from) {
     CopyFrom(from);
     return *this;
   }
-  
+
   inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
     return _unknown_fields_;
   }
-  
+
   inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
     return &_unknown_fields_;
   }
-  
+
   static const ::google::protobuf::Descriptor* descriptor();
   static const DescriptorProto_ExtensionRange& default_instance();
-  
+
   void Swap(DescriptorProto_ExtensionRange* other);
-  
+
   // implements Message ----------------------------------------------
-  
+
   DescriptorProto_ExtensionRange* New() const;
   void CopyFrom(const ::google::protobuf::Message& from);
   void MergeFrom(const ::google::protobuf::Message& from);
@@ -459,7 +493,7 @@ class LIBPROTOBUF_EXPORT DescriptorProto_ExtensionRange : public ::google::proto
   void MergeFrom(const DescriptorProto_ExtensionRange& from);
   void Clear();
   bool IsInitialized() const;
-  
+
   int ByteSize() const;
   bool MergePartialFromCodedStream(
       ::google::protobuf::io::CodedInputStream* input);
@@ -472,51 +506,46 @@ class LIBPROTOBUF_EXPORT DescriptorProto_ExtensionRange : public ::google::proto
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-  
+
   ::google::protobuf::Metadata GetMetadata() const;
-  
+
   // nested types ----------------------------------------------------
-  
+
   // accessors -------------------------------------------------------
-  
+
   // optional int32 start = 1;
   inline bool has_start() const;
   inline void clear_start();
   static const int kStartFieldNumber = 1;
   inline ::google::protobuf::int32 start() const;
   inline void set_start(::google::protobuf::int32 value);
-  
+
   // optional int32 end = 2;
   inline bool has_end() const;
   inline void clear_end();
   static const int kEndFieldNumber = 2;
   inline ::google::protobuf::int32 end() const;
   inline void set_end(::google::protobuf::int32 value);
-  
+
   // @@protoc_insertion_point(class_scope:google.protobuf.DescriptorProto.ExtensionRange)
  private:
+  inline void set_has_start();
+  inline void clear_has_start();
+  inline void set_has_end();
+  inline void clear_has_end();
+
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
-  mutable int _cached_size_;
-  
+
   ::google::protobuf::int32 start_;
   ::google::protobuf::int32 end_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(2 + 31) / 32];
+
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
-  
-  ::google::protobuf::uint32 _has_bits_[(2 + 31) / 32];
-  
-  // WHY DOES & HAVE LOWER PRECEDENCE THAN != !?
-  inline bool _has_bit(int index) const {
-    return (_has_bits_[index / 32] & (1u << (index % 32))) != 0;
-  }
-  inline void _set_bit(int index) {
-    _has_bits_[index / 32] |= (1u << (index % 32));
-  }
-  inline void _clear_bit(int index) {
-    _has_bits_[index / 32] &= ~(1u << (index % 32));
-  }
-  
+
   void InitAsDefaultInstance();
   static DescriptorProto_ExtensionRange* default_instance_;
 };
@@ -526,29 +555,29 @@ class LIBPROTOBUF_EXPORT DescriptorProto : public ::google::protobuf::Message {
  public:
   DescriptorProto();
   virtual ~DescriptorProto();
-  
+
   DescriptorProto(const DescriptorProto& from);
-  
+
   inline DescriptorProto& operator=(const DescriptorProto& from) {
     CopyFrom(from);
     return *this;
   }
-  
+
   inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
     return _unknown_fields_;
   }
-  
+
   inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
     return &_unknown_fields_;
   }
-  
+
   static const ::google::protobuf::Descriptor* descriptor();
   static const DescriptorProto& default_instance();
-  
+
   void Swap(DescriptorProto* other);
-  
+
   // implements Message ----------------------------------------------
-  
+
   DescriptorProto* New() const;
   void CopyFrom(const ::google::protobuf::Message& from);
   void MergeFrom(const ::google::protobuf::Message& from);
@@ -556,7 +585,7 @@ class LIBPROTOBUF_EXPORT DescriptorProto : public ::google::protobuf::Message {
   void MergeFrom(const DescriptorProto& from);
   void Clear();
   bool IsInitialized() const;
-  
+
   int ByteSize() const;
   bool MergePartialFromCodedStream(
       ::google::protobuf::io::CodedInputStream* input);
@@ -569,15 +598,15 @@ class LIBPROTOBUF_EXPORT DescriptorProto : public ::google::protobuf::Message {
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-  
+
   ::google::protobuf::Metadata GetMetadata() const;
-  
+
   // nested types ----------------------------------------------------
-  
+
   typedef DescriptorProto_ExtensionRange ExtensionRange;
-  
+
   // accessors -------------------------------------------------------
-  
+
   // optional string name = 1;
   inline bool has_name() const;
   inline void clear_name();
@@ -587,7 +616,9 @@ class LIBPROTOBUF_EXPORT DescriptorProto : public ::google::protobuf::Message {
   inline void set_name(const char* value);
   inline void set_name(const char* value, size_t size);
   inline ::std::string* mutable_name();
-  
+  inline ::std::string* release_name();
+  inline void set_allocated_name(::std::string* name);
+
   // repeated .google.protobuf.FieldDescriptorProto field = 2;
   inline int field_size() const;
   inline void clear_field();
@@ -599,7 +630,7 @@ class LIBPROTOBUF_EXPORT DescriptorProto : public ::google::protobuf::Message {
       field() const;
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::FieldDescriptorProto >*
       mutable_field();
-  
+
   // repeated .google.protobuf.FieldDescriptorProto extension = 6;
   inline int extension_size() const;
   inline void clear_extension();
@@ -611,7 +642,7 @@ class LIBPROTOBUF_EXPORT DescriptorProto : public ::google::protobuf::Message {
       extension() const;
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::FieldDescriptorProto >*
       mutable_extension();
-  
+
   // repeated .google.protobuf.DescriptorProto nested_type = 3;
   inline int nested_type_size() const;
   inline void clear_nested_type();
@@ -623,7 +654,7 @@ class LIBPROTOBUF_EXPORT DescriptorProto : public ::google::protobuf::Message {
       nested_type() const;
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::DescriptorProto >*
       mutable_nested_type();
-  
+
   // repeated .google.protobuf.EnumDescriptorProto enum_type = 4;
   inline int enum_type_size() const;
   inline void clear_enum_type();
@@ -635,7 +666,7 @@ class LIBPROTOBUF_EXPORT DescriptorProto : public ::google::protobuf::Message {
       enum_type() const;
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::EnumDescriptorProto >*
       mutable_enum_type();
-  
+
   // repeated .google.protobuf.DescriptorProto.ExtensionRange extension_range = 5;
   inline int extension_range_size() const;
   inline void clear_extension_range();
@@ -647,44 +678,40 @@ class LIBPROTOBUF_EXPORT DescriptorProto : public ::google::protobuf::Message {
       extension_range() const;
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::DescriptorProto_ExtensionRange >*
       mutable_extension_range();
-  
+
   // optional .google.protobuf.MessageOptions options = 7;
   inline bool has_options() const;
   inline void clear_options();
   static const int kOptionsFieldNumber = 7;
   inline const ::google::protobuf::MessageOptions& options() const;
   inline ::google::protobuf::MessageOptions* mutable_options();
-  
+  inline ::google::protobuf::MessageOptions* release_options();
+  inline void set_allocated_options(::google::protobuf::MessageOptions* options);
+
   // @@protoc_insertion_point(class_scope:google.protobuf.DescriptorProto)
  private:
+  inline void set_has_name();
+  inline void clear_has_name();
+  inline void set_has_options();
+  inline void clear_has_options();
+
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
-  mutable int _cached_size_;
-  
+
   ::std::string* name_;
-  static const ::std::string _default_name_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::FieldDescriptorProto > field_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::FieldDescriptorProto > extension_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::DescriptorProto > nested_type_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::EnumDescriptorProto > enum_type_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::DescriptorProto_ExtensionRange > extension_range_;
   ::google::protobuf::MessageOptions* options_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(7 + 31) / 32];
+
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
-  
-  ::google::protobuf::uint32 _has_bits_[(7 + 31) / 32];
-  
-  // WHY DOES & HAVE LOWER PRECEDENCE THAN != !?
-  inline bool _has_bit(int index) const {
-    return (_has_bits_[index / 32] & (1u << (index % 32))) != 0;
-  }
-  inline void _set_bit(int index) {
-    _has_bits_[index / 32] |= (1u << (index % 32));
-  }
-  inline void _clear_bit(int index) {
-    _has_bits_[index / 32] &= ~(1u << (index % 32));
-  }
-  
+
   void InitAsDefaultInstance();
   static DescriptorProto* default_instance_;
 };
@@ -694,29 +721,29 @@ class LIBPROTOBUF_EXPORT FieldDescriptorProto : public ::google::protobuf::Messa
  public:
   FieldDescriptorProto();
   virtual ~FieldDescriptorProto();
-  
+
   FieldDescriptorProto(const FieldDescriptorProto& from);
-  
+
   inline FieldDescriptorProto& operator=(const FieldDescriptorProto& from) {
     CopyFrom(from);
     return *this;
   }
-  
+
   inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
     return _unknown_fields_;
   }
-  
+
   inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
     return &_unknown_fields_;
   }
-  
+
   static const ::google::protobuf::Descriptor* descriptor();
   static const FieldDescriptorProto& default_instance();
-  
+
   void Swap(FieldDescriptorProto* other);
-  
+
   // implements Message ----------------------------------------------
-  
+
   FieldDescriptorProto* New() const;
   void CopyFrom(const ::google::protobuf::Message& from);
   void MergeFrom(const ::google::protobuf::Message& from);
@@ -724,7 +751,7 @@ class LIBPROTOBUF_EXPORT FieldDescriptorProto : public ::google::protobuf::Messa
   void MergeFrom(const FieldDescriptorProto& from);
   void Clear();
   bool IsInitialized() const;
-  
+
   int ByteSize() const;
   bool MergePartialFromCodedStream(
       ::google::protobuf::io::CodedInputStream* input);
@@ -737,11 +764,11 @@ class LIBPROTOBUF_EXPORT FieldDescriptorProto : public ::google::protobuf::Messa
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-  
+
   ::google::protobuf::Metadata GetMetadata() const;
-  
+
   // nested types ----------------------------------------------------
-  
+
   typedef FieldDescriptorProto_Type Type;
   static const Type TYPE_DOUBLE = FieldDescriptorProto_Type_TYPE_DOUBLE;
   static const Type TYPE_FLOAT = FieldDescriptorProto_Type_TYPE_FLOAT;
@@ -781,7 +808,7 @@ class LIBPROTOBUF_EXPORT FieldDescriptorProto : public ::google::protobuf::Messa
       Type* value) {
     return FieldDescriptorProto_Type_Parse(name, value);
   }
-  
+
   typedef FieldDescriptorProto_Label Label;
   static const Label LABEL_OPTIONAL = FieldDescriptorProto_Label_LABEL_OPTIONAL;
   static const Label LABEL_REQUIRED = FieldDescriptorProto_Label_LABEL_REQUIRED;
@@ -806,9 +833,9 @@ class LIBPROTOBUF_EXPORT FieldDescriptorProto : public ::google::protobuf::Messa
       Label* value) {
     return FieldDescriptorProto_Label_Parse(name, value);
   }
-  
+
   // accessors -------------------------------------------------------
-  
+
   // optional string name = 1;
   inline bool has_name() const;
   inline void clear_name();
@@ -818,28 +845,30 @@ class LIBPROTOBUF_EXPORT FieldDescriptorProto : public ::google::protobuf::Messa
   inline void set_name(const char* value);
   inline void set_name(const char* value, size_t size);
   inline ::std::string* mutable_name();
-  
+  inline ::std::string* release_name();
+  inline void set_allocated_name(::std::string* name);
+
   // optional int32 number = 3;
   inline bool has_number() const;
   inline void clear_number();
   static const int kNumberFieldNumber = 3;
   inline ::google::protobuf::int32 number() const;
   inline void set_number(::google::protobuf::int32 value);
-  
+
   // optional .google.protobuf.FieldDescriptorProto.Label label = 4;
   inline bool has_label() const;
   inline void clear_label();
   static const int kLabelFieldNumber = 4;
   inline ::google::protobuf::FieldDescriptorProto_Label label() const;
   inline void set_label(::google::protobuf::FieldDescriptorProto_Label value);
-  
+
   // optional .google.protobuf.FieldDescriptorProto.Type type = 5;
   inline bool has_type() const;
   inline void clear_type();
   static const int kTypeFieldNumber = 5;
   inline ::google::protobuf::FieldDescriptorProto_Type type() const;
   inline void set_type(::google::protobuf::FieldDescriptorProto_Type value);
-  
+
   // optional string type_name = 6;
   inline bool has_type_name() const;
   inline void clear_type_name();
@@ -849,7 +878,9 @@ class LIBPROTOBUF_EXPORT FieldDescriptorProto : public ::google::protobuf::Messa
   inline void set_type_name(const char* value);
   inline void set_type_name(const char* value, size_t size);
   inline ::std::string* mutable_type_name();
-  
+  inline ::std::string* release_type_name();
+  inline void set_allocated_type_name(::std::string* type_name);
+
   // optional string extendee = 2;
   inline bool has_extendee() const;
   inline void clear_extendee();
@@ -859,7 +890,9 @@ class LIBPROTOBUF_EXPORT FieldDescriptorProto : public ::google::protobuf::Messa
   inline void set_extendee(const char* value);
   inline void set_extendee(const char* value, size_t size);
   inline ::std::string* mutable_extendee();
-  
+  inline ::std::string* release_extendee();
+  inline void set_allocated_extendee(::std::string* extendee);
+
   // optional string default_value = 7;
   inline bool has_default_value() const;
   inline void clear_default_value();
@@ -869,48 +902,55 @@ class LIBPROTOBUF_EXPORT FieldDescriptorProto : public ::google::protobuf::Messa
   inline void set_default_value(const char* value);
   inline void set_default_value(const char* value, size_t size);
   inline ::std::string* mutable_default_value();
-  
+  inline ::std::string* release_default_value();
+  inline void set_allocated_default_value(::std::string* default_value);
+
   // optional .google.protobuf.FieldOptions options = 8;
   inline bool has_options() const;
   inline void clear_options();
   static const int kOptionsFieldNumber = 8;
   inline const ::google::protobuf::FieldOptions& options() const;
   inline ::google::protobuf::FieldOptions* mutable_options();
-  
+  inline ::google::protobuf::FieldOptions* release_options();
+  inline void set_allocated_options(::google::protobuf::FieldOptions* options);
+
   // @@protoc_insertion_point(class_scope:google.protobuf.FieldDescriptorProto)
  private:
+  inline void set_has_name();
+  inline void clear_has_name();
+  inline void set_has_number();
+  inline void clear_has_number();
+  inline void set_has_label();
+  inline void clear_has_label();
+  inline void set_has_type();
+  inline void clear_has_type();
+  inline void set_has_type_name();
+  inline void clear_has_type_name();
+  inline void set_has_extendee();
+  inline void clear_has_extendee();
+  inline void set_has_default_value();
+  inline void clear_has_default_value();
+  inline void set_has_options();
+  inline void clear_has_options();
+
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
-  mutable int _cached_size_;
-  
+
   ::std::string* name_;
-  static const ::std::string _default_name_;
   ::google::protobuf::int32 number_;
   int label_;
-  int type_;
   ::std::string* type_name_;
-  static const ::std::string _default_type_name_;
   ::std::string* extendee_;
-  static const ::std::string _default_extendee_;
   ::std::string* default_value_;
-  static const ::std::string _default_default_value_;
   ::google::protobuf::FieldOptions* options_;
+  int type_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(8 + 31) / 32];
+
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
-  
-  ::google::protobuf::uint32 _has_bits_[(8 + 31) / 32];
-  
-  // WHY DOES & HAVE LOWER PRECEDENCE THAN != !?
-  inline bool _has_bit(int index) const {
-    return (_has_bits_[index / 32] & (1u << (index % 32))) != 0;
-  }
-  inline void _set_bit(int index) {
-    _has_bits_[index / 32] |= (1u << (index % 32));
-  }
-  inline void _clear_bit(int index) {
-    _has_bits_[index / 32] &= ~(1u << (index % 32));
-  }
-  
+
   void InitAsDefaultInstance();
   static FieldDescriptorProto* default_instance_;
 };
@@ -920,29 +960,29 @@ class LIBPROTOBUF_EXPORT EnumDescriptorProto : public ::google::protobuf::Messag
  public:
   EnumDescriptorProto();
   virtual ~EnumDescriptorProto();
-  
+
   EnumDescriptorProto(const EnumDescriptorProto& from);
-  
+
   inline EnumDescriptorProto& operator=(const EnumDescriptorProto& from) {
     CopyFrom(from);
     return *this;
   }
-  
+
   inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
     return _unknown_fields_;
   }
-  
+
   inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
     return &_unknown_fields_;
   }
-  
+
   static const ::google::protobuf::Descriptor* descriptor();
   static const EnumDescriptorProto& default_instance();
-  
+
   void Swap(EnumDescriptorProto* other);
-  
+
   // implements Message ----------------------------------------------
-  
+
   EnumDescriptorProto* New() const;
   void CopyFrom(const ::google::protobuf::Message& from);
   void MergeFrom(const ::google::protobuf::Message& from);
@@ -950,7 +990,7 @@ class LIBPROTOBUF_EXPORT EnumDescriptorProto : public ::google::protobuf::Messag
   void MergeFrom(const EnumDescriptorProto& from);
   void Clear();
   bool IsInitialized() const;
-  
+
   int ByteSize() const;
   bool MergePartialFromCodedStream(
       ::google::protobuf::io::CodedInputStream* input);
@@ -963,13 +1003,13 @@ class LIBPROTOBUF_EXPORT EnumDescriptorProto : public ::google::protobuf::Messag
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-  
+
   ::google::protobuf::Metadata GetMetadata() const;
-  
+
   // nested types ----------------------------------------------------
-  
+
   // accessors -------------------------------------------------------
-  
+
   // optional string name = 1;
   inline bool has_name() const;
   inline void clear_name();
@@ -979,7 +1019,9 @@ class LIBPROTOBUF_EXPORT EnumDescriptorProto : public ::google::protobuf::Messag
   inline void set_name(const char* value);
   inline void set_name(const char* value, size_t size);
   inline ::std::string* mutable_name();
-  
+  inline ::std::string* release_name();
+  inline void set_allocated_name(::std::string* name);
+
   // repeated .google.protobuf.EnumValueDescriptorProto value = 2;
   inline int value_size() const;
   inline void clear_value();
@@ -991,40 +1033,36 @@ class LIBPROTOBUF_EXPORT EnumDescriptorProto : public ::google::protobuf::Messag
       value() const;
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::EnumValueDescriptorProto >*
       mutable_value();
-  
+
   // optional .google.protobuf.EnumOptions options = 3;
   inline bool has_options() const;
   inline void clear_options();
   static const int kOptionsFieldNumber = 3;
   inline const ::google::protobuf::EnumOptions& options() const;
   inline ::google::protobuf::EnumOptions* mutable_options();
-  
+  inline ::google::protobuf::EnumOptions* release_options();
+  inline void set_allocated_options(::google::protobuf::EnumOptions* options);
+
   // @@protoc_insertion_point(class_scope:google.protobuf.EnumDescriptorProto)
  private:
+  inline void set_has_name();
+  inline void clear_has_name();
+  inline void set_has_options();
+  inline void clear_has_options();
+
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
-  mutable int _cached_size_;
-  
+
   ::std::string* name_;
-  static const ::std::string _default_name_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::EnumValueDescriptorProto > value_;
   ::google::protobuf::EnumOptions* options_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(3 + 31) / 32];
+
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
-  
-  ::google::protobuf::uint32 _has_bits_[(3 + 31) / 32];
-  
-  // WHY DOES & HAVE LOWER PRECEDENCE THAN != !?
-  inline bool _has_bit(int index) const {
-    return (_has_bits_[index / 32] & (1u << (index % 32))) != 0;
-  }
-  inline void _set_bit(int index) {
-    _has_bits_[index / 32] |= (1u << (index % 32));
-  }
-  inline void _clear_bit(int index) {
-    _has_bits_[index / 32] &= ~(1u << (index % 32));
-  }
-  
+
   void InitAsDefaultInstance();
   static EnumDescriptorProto* default_instance_;
 };
@@ -1034,29 +1072,29 @@ class LIBPROTOBUF_EXPORT EnumValueDescriptorProto : public ::google::protobuf::M
  public:
   EnumValueDescriptorProto();
   virtual ~EnumValueDescriptorProto();
-  
+
   EnumValueDescriptorProto(const EnumValueDescriptorProto& from);
-  
+
   inline EnumValueDescriptorProto& operator=(const EnumValueDescriptorProto& from) {
     CopyFrom(from);
     return *this;
   }
-  
+
   inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
     return _unknown_fields_;
   }
-  
+
   inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
     return &_unknown_fields_;
   }
-  
+
   static const ::google::protobuf::Descriptor* descriptor();
   static const EnumValueDescriptorProto& default_instance();
-  
+
   void Swap(EnumValueDescriptorProto* other);
-  
+
   // implements Message ----------------------------------------------
-  
+
   EnumValueDescriptorProto* New() const;
   void CopyFrom(const ::google::protobuf::Message& from);
   void MergeFrom(const ::google::protobuf::Message& from);
@@ -1064,7 +1102,7 @@ class LIBPROTOBUF_EXPORT EnumValueDescriptorProto : public ::google::protobuf::M
   void MergeFrom(const EnumValueDescriptorProto& from);
   void Clear();
   bool IsInitialized() const;
-  
+
   int ByteSize() const;
   bool MergePartialFromCodedStream(
       ::google::protobuf::io::CodedInputStream* input);
@@ -1077,13 +1115,13 @@ class LIBPROTOBUF_EXPORT EnumValueDescriptorProto : public ::google::protobuf::M
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-  
+
   ::google::protobuf::Metadata GetMetadata() const;
-  
+
   // nested types ----------------------------------------------------
-  
+
   // accessors -------------------------------------------------------
-  
+
   // optional string name = 1;
   inline bool has_name() const;
   inline void clear_name();
@@ -1093,47 +1131,47 @@ class LIBPROTOBUF_EXPORT EnumValueDescriptorProto : public ::google::protobuf::M
   inline void set_name(const char* value);
   inline void set_name(const char* value, size_t size);
   inline ::std::string* mutable_name();
-  
+  inline ::std::string* release_name();
+  inline void set_allocated_name(::std::string* name);
+
   // optional int32 number = 2;
   inline bool has_number() const;
   inline void clear_number();
   static const int kNumberFieldNumber = 2;
   inline ::google::protobuf::int32 number() const;
   inline void set_number(::google::protobuf::int32 value);
-  
+
   // optional .google.protobuf.EnumValueOptions options = 3;
   inline bool has_options() const;
   inline void clear_options();
   static const int kOptionsFieldNumber = 3;
   inline const ::google::protobuf::EnumValueOptions& options() const;
   inline ::google::protobuf::EnumValueOptions* mutable_options();
-  
+  inline ::google::protobuf::EnumValueOptions* release_options();
+  inline void set_allocated_options(::google::protobuf::EnumValueOptions* options);
+
   // @@protoc_insertion_point(class_scope:google.protobuf.EnumValueDescriptorProto)
  private:
+  inline void set_has_name();
+  inline void clear_has_name();
+  inline void set_has_number();
+  inline void clear_has_number();
+  inline void set_has_options();
+  inline void clear_has_options();
+
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
-  mutable int _cached_size_;
-  
+
   ::std::string* name_;
-  static const ::std::string _default_name_;
-  ::google::protobuf::int32 number_;
   ::google::protobuf::EnumValueOptions* options_;
+  ::google::protobuf::int32 number_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(3 + 31) / 32];
+
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
-  
-  ::google::protobuf::uint32 _has_bits_[(3 + 31) / 32];
-  
-  // WHY DOES & HAVE LOWER PRECEDENCE THAN != !?
-  inline bool _has_bit(int index) const {
-    return (_has_bits_[index / 32] & (1u << (index % 32))) != 0;
-  }
-  inline void _set_bit(int index) {
-    _has_bits_[index / 32] |= (1u << (index % 32));
-  }
-  inline void _clear_bit(int index) {
-    _has_bits_[index / 32] &= ~(1u << (index % 32));
-  }
-  
+
   void InitAsDefaultInstance();
   static EnumValueDescriptorProto* default_instance_;
 };
@@ -1143,29 +1181,29 @@ class LIBPROTOBUF_EXPORT ServiceDescriptorProto : public ::google::protobuf::Mes
  public:
   ServiceDescriptorProto();
   virtual ~ServiceDescriptorProto();
-  
+
   ServiceDescriptorProto(const ServiceDescriptorProto& from);
-  
+
   inline ServiceDescriptorProto& operator=(const ServiceDescriptorProto& from) {
     CopyFrom(from);
     return *this;
   }
-  
+
   inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
     return _unknown_fields_;
   }
-  
+
   inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
     return &_unknown_fields_;
   }
-  
+
   static const ::google::protobuf::Descriptor* descriptor();
   static const ServiceDescriptorProto& default_instance();
-  
+
   void Swap(ServiceDescriptorProto* other);
-  
+
   // implements Message ----------------------------------------------
-  
+
   ServiceDescriptorProto* New() const;
   void CopyFrom(const ::google::protobuf::Message& from);
   void MergeFrom(const ::google::protobuf::Message& from);
@@ -1173,7 +1211,7 @@ class LIBPROTOBUF_EXPORT ServiceDescriptorProto : public ::google::protobuf::Mes
   void MergeFrom(const ServiceDescriptorProto& from);
   void Clear();
   bool IsInitialized() const;
-  
+
   int ByteSize() const;
   bool MergePartialFromCodedStream(
       ::google::protobuf::io::CodedInputStream* input);
@@ -1186,13 +1224,13 @@ class LIBPROTOBUF_EXPORT ServiceDescriptorProto : public ::google::protobuf::Mes
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-  
+
   ::google::protobuf::Metadata GetMetadata() const;
-  
+
   // nested types ----------------------------------------------------
-  
+
   // accessors -------------------------------------------------------
-  
+
   // optional string name = 1;
   inline bool has_name() const;
   inline void clear_name();
@@ -1202,7 +1240,9 @@ class LIBPROTOBUF_EXPORT ServiceDescriptorProto : public ::google::protobuf::Mes
   inline void set_name(const char* value);
   inline void set_name(const char* value, size_t size);
   inline ::std::string* mutable_name();
-  
+  inline ::std::string* release_name();
+  inline void set_allocated_name(::std::string* name);
+
   // repeated .google.protobuf.MethodDescriptorProto method = 2;
   inline int method_size() const;
   inline void clear_method();
@@ -1214,40 +1254,36 @@ class LIBPROTOBUF_EXPORT ServiceDescriptorProto : public ::google::protobuf::Mes
       method() const;
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::MethodDescriptorProto >*
       mutable_method();
-  
+
   // optional .google.protobuf.ServiceOptions options = 3;
   inline bool has_options() const;
   inline void clear_options();
   static const int kOptionsFieldNumber = 3;
   inline const ::google::protobuf::ServiceOptions& options() const;
   inline ::google::protobuf::ServiceOptions* mutable_options();
-  
+  inline ::google::protobuf::ServiceOptions* release_options();
+  inline void set_allocated_options(::google::protobuf::ServiceOptions* options);
+
   // @@protoc_insertion_point(class_scope:google.protobuf.ServiceDescriptorProto)
  private:
+  inline void set_has_name();
+  inline void clear_has_name();
+  inline void set_has_options();
+  inline void clear_has_options();
+
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
-  mutable int _cached_size_;
-  
+
   ::std::string* name_;
-  static const ::std::string _default_name_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::MethodDescriptorProto > method_;
   ::google::protobuf::ServiceOptions* options_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(3 + 31) / 32];
+
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
-  
-  ::google::protobuf::uint32 _has_bits_[(3 + 31) / 32];
-  
-  // WHY DOES & HAVE LOWER PRECEDENCE THAN != !?
-  inline bool _has_bit(int index) const {
-    return (_has_bits_[index / 32] & (1u << (index % 32))) != 0;
-  }
-  inline void _set_bit(int index) {
-    _has_bits_[index / 32] |= (1u << (index % 32));
-  }
-  inline void _clear_bit(int index) {
-    _has_bits_[index / 32] &= ~(1u << (index % 32));
-  }
-  
+
   void InitAsDefaultInstance();
   static ServiceDescriptorProto* default_instance_;
 };
@@ -1257,29 +1293,29 @@ class LIBPROTOBUF_EXPORT MethodDescriptorProto : public ::google::protobuf::Mess
  public:
   MethodDescriptorProto();
   virtual ~MethodDescriptorProto();
-  
+
   MethodDescriptorProto(const MethodDescriptorProto& from);
-  
+
   inline MethodDescriptorProto& operator=(const MethodDescriptorProto& from) {
     CopyFrom(from);
     return *this;
   }
-  
+
   inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
     return _unknown_fields_;
   }
-  
+
   inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
     return &_unknown_fields_;
   }
-  
+
   static const ::google::protobuf::Descriptor* descriptor();
   static const MethodDescriptorProto& default_instance();
-  
+
   void Swap(MethodDescriptorProto* other);
-  
+
   // implements Message ----------------------------------------------
-  
+
   MethodDescriptorProto* New() const;
   void CopyFrom(const ::google::protobuf::Message& from);
   void MergeFrom(const ::google::protobuf::Message& from);
@@ -1287,7 +1323,7 @@ class LIBPROTOBUF_EXPORT MethodDescriptorProto : public ::google::protobuf::Mess
   void MergeFrom(const MethodDescriptorProto& from);
   void Clear();
   bool IsInitialized() const;
-  
+
   int ByteSize() const;
   bool MergePartialFromCodedStream(
       ::google::protobuf::io::CodedInputStream* input);
@@ -1300,13 +1336,13 @@ class LIBPROTOBUF_EXPORT MethodDescriptorProto : public ::google::protobuf::Mess
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-  
+
   ::google::protobuf::Metadata GetMetadata() const;
-  
+
   // nested types ----------------------------------------------------
-  
+
   // accessors -------------------------------------------------------
-  
+
   // optional string name = 1;
   inline bool has_name() const;
   inline void clear_name();
@@ -1316,7 +1352,9 @@ class LIBPROTOBUF_EXPORT MethodDescriptorProto : public ::google::protobuf::Mess
   inline void set_name(const char* value);
   inline void set_name(const char* value, size_t size);
   inline ::std::string* mutable_name();
-  
+  inline ::std::string* release_name();
+  inline void set_allocated_name(::std::string* name);
+
   // optional string input_type = 2;
   inline bool has_input_type() const;
   inline void clear_input_type();
@@ -1326,7 +1364,9 @@ class LIBPROTOBUF_EXPORT MethodDescriptorProto : public ::google::protobuf::Mess
   inline void set_input_type(const char* value);
   inline void set_input_type(const char* value, size_t size);
   inline ::std::string* mutable_input_type();
-  
+  inline ::std::string* release_input_type();
+  inline void set_allocated_input_type(::std::string* input_type);
+
   // optional string output_type = 3;
   inline bool has_output_type() const;
   inline void clear_output_type();
@@ -1336,43 +1376,43 @@ class LIBPROTOBUF_EXPORT MethodDescriptorProto : public ::google::protobuf::Mess
   inline void set_output_type(const char* value);
   inline void set_output_type(const char* value, size_t size);
   inline ::std::string* mutable_output_type();
-  
+  inline ::std::string* release_output_type();
+  inline void set_allocated_output_type(::std::string* output_type);
+
   // optional .google.protobuf.MethodOptions options = 4;
   inline bool has_options() const;
   inline void clear_options();
   static const int kOptionsFieldNumber = 4;
   inline const ::google::protobuf::MethodOptions& options() const;
   inline ::google::protobuf::MethodOptions* mutable_options();
-  
+  inline ::google::protobuf::MethodOptions* release_options();
+  inline void set_allocated_options(::google::protobuf::MethodOptions* options);
+
   // @@protoc_insertion_point(class_scope:google.protobuf.MethodDescriptorProto)
  private:
+  inline void set_has_name();
+  inline void clear_has_name();
+  inline void set_has_input_type();
+  inline void clear_has_input_type();
+  inline void set_has_output_type();
+  inline void clear_has_output_type();
+  inline void set_has_options();
+  inline void clear_has_options();
+
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
-  mutable int _cached_size_;
-  
+
   ::std::string* name_;
-  static const ::std::string _default_name_;
   ::std::string* input_type_;
-  static const ::std::string _default_input_type_;
   ::std::string* output_type_;
-  static const ::std::string _default_output_type_;
   ::google::protobuf::MethodOptions* options_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(4 + 31) / 32];
+
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
-  
-  ::google::protobuf::uint32 _has_bits_[(4 + 31) / 32];
-  
-  // WHY DOES & HAVE LOWER PRECEDENCE THAN != !?
-  inline bool _has_bit(int index) const {
-    return (_has_bits_[index / 32] & (1u << (index % 32))) != 0;
-  }
-  inline void _set_bit(int index) {
-    _has_bits_[index / 32] |= (1u << (index % 32));
-  }
-  inline void _clear_bit(int index) {
-    _has_bits_[index / 32] &= ~(1u << (index % 32));
-  }
-  
+
   void InitAsDefaultInstance();
   static MethodDescriptorProto* default_instance_;
 };
@@ -1382,29 +1422,29 @@ class LIBPROTOBUF_EXPORT FileOptions : public ::google::protobuf::Message {
  public:
   FileOptions();
   virtual ~FileOptions();
-  
+
   FileOptions(const FileOptions& from);
-  
+
   inline FileOptions& operator=(const FileOptions& from) {
     CopyFrom(from);
     return *this;
   }
-  
+
   inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
     return _unknown_fields_;
   }
-  
+
   inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
     return &_unknown_fields_;
   }
-  
+
   static const ::google::protobuf::Descriptor* descriptor();
   static const FileOptions& default_instance();
-  
+
   void Swap(FileOptions* other);
-  
+
   // implements Message ----------------------------------------------
-  
+
   FileOptions* New() const;
   void CopyFrom(const ::google::protobuf::Message& from);
   void MergeFrom(const ::google::protobuf::Message& from);
@@ -1412,7 +1452,7 @@ class LIBPROTOBUF_EXPORT FileOptions : public ::google::protobuf::Message {
   void MergeFrom(const FileOptions& from);
   void Clear();
   bool IsInitialized() const;
-  
+
   int ByteSize() const;
   bool MergePartialFromCodedStream(
       ::google::protobuf::io::CodedInputStream* input);
@@ -1425,11 +1465,11 @@ class LIBPROTOBUF_EXPORT FileOptions : public ::google::protobuf::Message {
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-  
+
   ::google::protobuf::Metadata GetMetadata() const;
-  
+
   // nested types ----------------------------------------------------
-  
+
   typedef FileOptions_OptimizeMode OptimizeMode;
   static const OptimizeMode SPEED = FileOptions_OptimizeMode_SPEED;
   static const OptimizeMode CODE_SIZE = FileOptions_OptimizeMode_CODE_SIZE;
@@ -1454,9 +1494,9 @@ class LIBPROTOBUF_EXPORT FileOptions : public ::google::protobuf::Message {
       OptimizeMode* value) {
     return FileOptions_OptimizeMode_Parse(name, value);
   }
-  
+
   // accessors -------------------------------------------------------
-  
+
   // optional string java_package = 1;
   inline bool has_java_package() const;
   inline void clear_java_package();
@@ -1466,7 +1506,9 @@ class LIBPROTOBUF_EXPORT FileOptions : public ::google::protobuf::Message {
   inline void set_java_package(const char* value);
   inline void set_java_package(const char* value, size_t size);
   inline ::std::string* mutable_java_package();
-  
+  inline ::std::string* release_java_package();
+  inline void set_allocated_java_package(::std::string* java_package);
+
   // optional string java_outer_classname = 8;
   inline bool has_java_outer_classname() const;
   inline void clear_java_outer_classname();
@@ -1476,42 +1518,63 @@ class LIBPROTOBUF_EXPORT FileOptions : public ::google::protobuf::Message {
   inline void set_java_outer_classname(const char* value);
   inline void set_java_outer_classname(const char* value, size_t size);
   inline ::std::string* mutable_java_outer_classname();
-  
+  inline ::std::string* release_java_outer_classname();
+  inline void set_allocated_java_outer_classname(::std::string* java_outer_classname);
+
   // optional bool java_multiple_files = 10 [default = false];
   inline bool has_java_multiple_files() const;
   inline void clear_java_multiple_files();
   static const int kJavaMultipleFilesFieldNumber = 10;
   inline bool java_multiple_files() const;
   inline void set_java_multiple_files(bool value);
-  
+
+  // optional bool java_generate_equals_and_hash = 20 [default = false];
+  inline bool has_java_generate_equals_and_hash() const;
+  inline void clear_java_generate_equals_and_hash();
+  static const int kJavaGenerateEqualsAndHashFieldNumber = 20;
+  inline bool java_generate_equals_and_hash() const;
+  inline void set_java_generate_equals_and_hash(bool value);
+
   // optional .google.protobuf.FileOptions.OptimizeMode optimize_for = 9 [default = SPEED];
   inline bool has_optimize_for() const;
   inline void clear_optimize_for();
   static const int kOptimizeForFieldNumber = 9;
   inline ::google::protobuf::FileOptions_OptimizeMode optimize_for() const;
   inline void set_optimize_for(::google::protobuf::FileOptions_OptimizeMode value);
-  
-  // optional bool cc_generic_services = 16 [default = true];
+
+  // optional string go_package = 11;
+  inline bool has_go_package() const;
+  inline void clear_go_package();
+  static const int kGoPackageFieldNumber = 11;
+  inline const ::std::string& go_package() const;
+  inline void set_go_package(const ::std::string& value);
+  inline void set_go_package(const char* value);
+  inline void set_go_package(const char* value, size_t size);
+  inline ::std::string* mutable_go_package();
+  inline ::std::string* release_go_package();
+  inline void set_allocated_go_package(::std::string* go_package);
+
+  // optional bool cc_generic_services = 16 [default = false];
   inline bool has_cc_generic_services() const;
   inline void clear_cc_generic_services();
   static const int kCcGenericServicesFieldNumber = 16;
   inline bool cc_generic_services() const;
   inline void set_cc_generic_services(bool value);
-  
-  // optional bool java_generic_services = 17 [default = true];
+
+  // optional bool java_generic_services = 17 [default = false];
   inline bool has_java_generic_services() const;
   inline void clear_java_generic_services();
   static const int kJavaGenericServicesFieldNumber = 17;
   inline bool java_generic_services() const;
   inline void set_java_generic_services(bool value);
-  
-  // optional bool py_generic_services = 18 [default = true];
+
+  // optional bool py_generic_services = 18 [default = false];
   inline bool has_py_generic_services() const;
   inline void clear_py_generic_services();
   static const int kPyGenericServicesFieldNumber = 18;
   inline bool py_generic_services() const;
   inline void set_py_generic_services(bool value);
-  
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   inline int uninterpreted_option_size() const;
   inline void clear_uninterpreted_option();
@@ -1523,41 +1586,51 @@ class LIBPROTOBUF_EXPORT FileOptions : public ::google::protobuf::Message {
       uninterpreted_option() const;
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption >*
       mutable_uninterpreted_option();
-  
+
   GOOGLE_PROTOBUF_EXTENSION_ACCESSORS(FileOptions)
   // @@protoc_insertion_point(class_scope:google.protobuf.FileOptions)
  private:
+  inline void set_has_java_package();
+  inline void clear_has_java_package();
+  inline void set_has_java_outer_classname();
+  inline void clear_has_java_outer_classname();
+  inline void set_has_java_multiple_files();
+  inline void clear_has_java_multiple_files();
+  inline void set_has_java_generate_equals_and_hash();
+  inline void clear_has_java_generate_equals_and_hash();
+  inline void set_has_optimize_for();
+  inline void clear_has_optimize_for();
+  inline void set_has_go_package();
+  inline void clear_has_go_package();
+  inline void set_has_cc_generic_services();
+  inline void clear_has_cc_generic_services();
+  inline void set_has_java_generic_services();
+  inline void clear_has_java_generic_services();
+  inline void set_has_py_generic_services();
+  inline void clear_has_py_generic_services();
+
   ::google::protobuf::internal::ExtensionSet _extensions_;
+
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
-  mutable int _cached_size_;
-  
+
   ::std::string* java_package_;
-  static const ::std::string _default_java_package_;
   ::std::string* java_outer_classname_;
-  static const ::std::string _default_java_outer_classname_;
-  bool java_multiple_files_;
   int optimize_for_;
+  bool java_multiple_files_;
+  bool java_generate_equals_and_hash_;
   bool cc_generic_services_;
   bool java_generic_services_;
-  bool py_generic_services_;
+  ::std::string* go_package_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption > uninterpreted_option_;
+  bool py_generic_services_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(10 + 31) / 32];
+
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
-  
-  ::google::protobuf::uint32 _has_bits_[(8 + 31) / 32];
-  
-  // WHY DOES & HAVE LOWER PRECEDENCE THAN != !?
-  inline bool _has_bit(int index) const {
-    return (_has_bits_[index / 32] & (1u << (index % 32))) != 0;
-  }
-  inline void _set_bit(int index) {
-    _has_bits_[index / 32] |= (1u << (index % 32));
-  }
-  inline void _clear_bit(int index) {
-    _has_bits_[index / 32] &= ~(1u << (index % 32));
-  }
-  
+
   void InitAsDefaultInstance();
   static FileOptions* default_instance_;
 };
@@ -1567,29 +1640,29 @@ class LIBPROTOBUF_EXPORT MessageOptions : public ::google::protobuf::Message {
  public:
   MessageOptions();
   virtual ~MessageOptions();
-  
+
   MessageOptions(const MessageOptions& from);
-  
+
   inline MessageOptions& operator=(const MessageOptions& from) {
     CopyFrom(from);
     return *this;
   }
-  
+
   inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
     return _unknown_fields_;
   }
-  
+
   inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
     return &_unknown_fields_;
   }
-  
+
   static const ::google::protobuf::Descriptor* descriptor();
   static const MessageOptions& default_instance();
-  
+
   void Swap(MessageOptions* other);
-  
+
   // implements Message ----------------------------------------------
-  
+
   MessageOptions* New() const;
   void CopyFrom(const ::google::protobuf::Message& from);
   void MergeFrom(const ::google::protobuf::Message& from);
@@ -1597,7 +1670,7 @@ class LIBPROTOBUF_EXPORT MessageOptions : public ::google::protobuf::Message {
   void MergeFrom(const MessageOptions& from);
   void Clear();
   bool IsInitialized() const;
-  
+
   int ByteSize() const;
   bool MergePartialFromCodedStream(
       ::google::protobuf::io::CodedInputStream* input);
@@ -1610,27 +1683,27 @@ class LIBPROTOBUF_EXPORT MessageOptions : public ::google::protobuf::Message {
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-  
+
   ::google::protobuf::Metadata GetMetadata() const;
-  
+
   // nested types ----------------------------------------------------
-  
+
   // accessors -------------------------------------------------------
-  
+
   // optional bool message_set_wire_format = 1 [default = false];
   inline bool has_message_set_wire_format() const;
   inline void clear_message_set_wire_format();
   static const int kMessageSetWireFormatFieldNumber = 1;
   inline bool message_set_wire_format() const;
   inline void set_message_set_wire_format(bool value);
-  
+
   // optional bool no_standard_descriptor_accessor = 2 [default = false];
   inline bool has_no_standard_descriptor_accessor() const;
   inline void clear_no_standard_descriptor_accessor();
   static const int kNoStandardDescriptorAccessorFieldNumber = 2;
   inline bool no_standard_descriptor_accessor() const;
   inline void set_no_standard_descriptor_accessor(bool value);
-  
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   inline int uninterpreted_option_size() const;
   inline void clear_uninterpreted_option();
@@ -1642,34 +1715,30 @@ class LIBPROTOBUF_EXPORT MessageOptions : public ::google::protobuf::Message {
       uninterpreted_option() const;
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption >*
       mutable_uninterpreted_option();
-  
+
   GOOGLE_PROTOBUF_EXTENSION_ACCESSORS(MessageOptions)
   // @@protoc_insertion_point(class_scope:google.protobuf.MessageOptions)
  private:
+  inline void set_has_message_set_wire_format();
+  inline void clear_has_message_set_wire_format();
+  inline void set_has_no_standard_descriptor_accessor();
+  inline void clear_has_no_standard_descriptor_accessor();
+
   ::google::protobuf::internal::ExtensionSet _extensions_;
+
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
-  mutable int _cached_size_;
-  
+
+  ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption > uninterpreted_option_;
   bool message_set_wire_format_;
   bool no_standard_descriptor_accessor_;
-  ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption > uninterpreted_option_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(3 + 31) / 32];
+
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
-  
-  ::google::protobuf::uint32 _has_bits_[(3 + 31) / 32];
-  
-  // WHY DOES & HAVE LOWER PRECEDENCE THAN != !?
-  inline bool _has_bit(int index) const {
-    return (_has_bits_[index / 32] & (1u << (index % 32))) != 0;
-  }
-  inline void _set_bit(int index) {
-    _has_bits_[index / 32] |= (1u << (index % 32));
-  }
-  inline void _clear_bit(int index) {
-    _has_bits_[index / 32] &= ~(1u << (index % 32));
-  }
-  
+
   void InitAsDefaultInstance();
   static MessageOptions* default_instance_;
 };
@@ -1679,29 +1748,29 @@ class LIBPROTOBUF_EXPORT FieldOptions : public ::google::protobuf::Message {
  public:
   FieldOptions();
   virtual ~FieldOptions();
-  
+
   FieldOptions(const FieldOptions& from);
-  
+
   inline FieldOptions& operator=(const FieldOptions& from) {
     CopyFrom(from);
     return *this;
   }
-  
+
   inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
     return _unknown_fields_;
   }
-  
+
   inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
     return &_unknown_fields_;
   }
-  
+
   static const ::google::protobuf::Descriptor* descriptor();
   static const FieldOptions& default_instance();
-  
+
   void Swap(FieldOptions* other);
-  
+
   // implements Message ----------------------------------------------
-  
+
   FieldOptions* New() const;
   void CopyFrom(const ::google::protobuf::Message& from);
   void MergeFrom(const ::google::protobuf::Message& from);
@@ -1709,7 +1778,7 @@ class LIBPROTOBUF_EXPORT FieldOptions : public ::google::protobuf::Message {
   void MergeFrom(const FieldOptions& from);
   void Clear();
   bool IsInitialized() const;
-  
+
   int ByteSize() const;
   bool MergePartialFromCodedStream(
       ::google::protobuf::io::CodedInputStream* input);
@@ -1722,11 +1791,11 @@ class LIBPROTOBUF_EXPORT FieldOptions : public ::google::protobuf::Message {
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-  
+
   ::google::protobuf::Metadata GetMetadata() const;
-  
+
   // nested types ----------------------------------------------------
-  
+
   typedef FieldOptions_CType CType;
   static const CType STRING = FieldOptions_CType_STRING;
   static const CType CORD = FieldOptions_CType_CORD;
@@ -1751,30 +1820,37 @@ class LIBPROTOBUF_EXPORT FieldOptions : public ::google::protobuf::Message {
       CType* value) {
     return FieldOptions_CType_Parse(name, value);
   }
-  
+
   // accessors -------------------------------------------------------
-  
+
   // optional .google.protobuf.FieldOptions.CType ctype = 1 [default = STRING];
   inline bool has_ctype() const;
   inline void clear_ctype();
   static const int kCtypeFieldNumber = 1;
   inline ::google::protobuf::FieldOptions_CType ctype() const;
   inline void set_ctype(::google::protobuf::FieldOptions_CType value);
-  
+
   // optional bool packed = 2;
   inline bool has_packed() const;
   inline void clear_packed();
   static const int kPackedFieldNumber = 2;
   inline bool packed() const;
   inline void set_packed(bool value);
-  
+
+  // optional bool lazy = 5 [default = false];
+  inline bool has_lazy() const;
+  inline void clear_lazy();
+  static const int kLazyFieldNumber = 5;
+  inline bool lazy() const;
+  inline void set_lazy(bool value);
+
   // optional bool deprecated = 3 [default = false];
   inline bool has_deprecated() const;
   inline void clear_deprecated();
   static const int kDeprecatedFieldNumber = 3;
   inline bool deprecated() const;
   inline void set_deprecated(bool value);
-  
+
   // optional string experimental_map_key = 9;
   inline bool has_experimental_map_key() const;
   inline void clear_experimental_map_key();
@@ -1784,7 +1860,16 @@ class LIBPROTOBUF_EXPORT FieldOptions : public ::google::protobuf::Message {
   inline void set_experimental_map_key(const char* value);
   inline void set_experimental_map_key(const char* value, size_t size);
   inline ::std::string* mutable_experimental_map_key();
-  
+  inline ::std::string* release_experimental_map_key();
+  inline void set_allocated_experimental_map_key(::std::string* experimental_map_key);
+
+  // optional bool weak = 10 [default = false];
+  inline bool has_weak() const;
+  inline void clear_weak();
+  static const int kWeakFieldNumber = 10;
+  inline bool weak() const;
+  inline void set_weak(bool value);
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   inline int uninterpreted_option_size() const;
   inline void clear_uninterpreted_option();
@@ -1796,37 +1881,42 @@ class LIBPROTOBUF_EXPORT FieldOptions : public ::google::protobuf::Message {
       uninterpreted_option() const;
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption >*
       mutable_uninterpreted_option();
-  
+
   GOOGLE_PROTOBUF_EXTENSION_ACCESSORS(FieldOptions)
   // @@protoc_insertion_point(class_scope:google.protobuf.FieldOptions)
  private:
+  inline void set_has_ctype();
+  inline void clear_has_ctype();
+  inline void set_has_packed();
+  inline void clear_has_packed();
+  inline void set_has_lazy();
+  inline void clear_has_lazy();
+  inline void set_has_deprecated();
+  inline void clear_has_deprecated();
+  inline void set_has_experimental_map_key();
+  inline void clear_has_experimental_map_key();
+  inline void set_has_weak();
+  inline void clear_has_weak();
+
   ::google::protobuf::internal::ExtensionSet _extensions_;
+
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
-  mutable int _cached_size_;
-  
+
   int ctype_;
   bool packed_;
+  bool lazy_;
   bool deprecated_;
+  bool weak_;
   ::std::string* experimental_map_key_;
-  static const ::std::string _default_experimental_map_key_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption > uninterpreted_option_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(7 + 31) / 32];
+
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
-  
-  ::google::protobuf::uint32 _has_bits_[(5 + 31) / 32];
-  
-  // WHY DOES & HAVE LOWER PRECEDENCE THAN != !?
-  inline bool _has_bit(int index) const {
-    return (_has_bits_[index / 32] & (1u << (index % 32))) != 0;
-  }
-  inline void _set_bit(int index) {
-    _has_bits_[index / 32] |= (1u << (index % 32));
-  }
-  inline void _clear_bit(int index) {
-    _has_bits_[index / 32] &= ~(1u << (index % 32));
-  }
-  
+
   void InitAsDefaultInstance();
   static FieldOptions* default_instance_;
 };
@@ -1836,29 +1926,29 @@ class LIBPROTOBUF_EXPORT EnumOptions : public ::google::protobuf::Message {
  public:
   EnumOptions();
   virtual ~EnumOptions();
-  
+
   EnumOptions(const EnumOptions& from);
-  
+
   inline EnumOptions& operator=(const EnumOptions& from) {
     CopyFrom(from);
     return *this;
   }
-  
+
   inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
     return _unknown_fields_;
   }
-  
+
   inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
     return &_unknown_fields_;
   }
-  
+
   static const ::google::protobuf::Descriptor* descriptor();
   static const EnumOptions& default_instance();
-  
+
   void Swap(EnumOptions* other);
-  
+
   // implements Message ----------------------------------------------
-  
+
   EnumOptions* New() const;
   void CopyFrom(const ::google::protobuf::Message& from);
   void MergeFrom(const ::google::protobuf::Message& from);
@@ -1866,7 +1956,7 @@ class LIBPROTOBUF_EXPORT EnumOptions : public ::google::protobuf::Message {
   void MergeFrom(const EnumOptions& from);
   void Clear();
   bool IsInitialized() const;
-  
+
   int ByteSize() const;
   bool MergePartialFromCodedStream(
       ::google::protobuf::io::CodedInputStream* input);
@@ -1879,13 +1969,20 @@ class LIBPROTOBUF_EXPORT EnumOptions : public ::google::protobuf::Message {
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-  
+
   ::google::protobuf::Metadata GetMetadata() const;
-  
+
   // nested types ----------------------------------------------------
-  
+
   // accessors -------------------------------------------------------
-  
+
+  // optional bool allow_alias = 2 [default = true];
+  inline bool has_allow_alias() const;
+  inline void clear_allow_alias();
+  static const int kAllowAliasFieldNumber = 2;
+  inline bool allow_alias() const;
+  inline void set_allow_alias(bool value);
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   inline int uninterpreted_option_size() const;
   inline void clear_uninterpreted_option();
@@ -1897,32 +1994,27 @@ class LIBPROTOBUF_EXPORT EnumOptions : public ::google::protobuf::Message {
       uninterpreted_option() const;
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption >*
       mutable_uninterpreted_option();
-  
+
   GOOGLE_PROTOBUF_EXTENSION_ACCESSORS(EnumOptions)
   // @@protoc_insertion_point(class_scope:google.protobuf.EnumOptions)
  private:
+  inline void set_has_allow_alias();
+  inline void clear_has_allow_alias();
+
   ::google::protobuf::internal::ExtensionSet _extensions_;
+
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
-  mutable int _cached_size_;
-  
+
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption > uninterpreted_option_;
+  bool allow_alias_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(2 + 31) / 32];
+
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
-  
-  ::google::protobuf::uint32 _has_bits_[(1 + 31) / 32];
-  
-  // WHY DOES & HAVE LOWER PRECEDENCE THAN != !?
-  inline bool _has_bit(int index) const {
-    return (_has_bits_[index / 32] & (1u << (index % 32))) != 0;
-  }
-  inline void _set_bit(int index) {
-    _has_bits_[index / 32] |= (1u << (index % 32));
-  }
-  inline void _clear_bit(int index) {
-    _has_bits_[index / 32] &= ~(1u << (index % 32));
-  }
-  
+
   void InitAsDefaultInstance();
   static EnumOptions* default_instance_;
 };
@@ -1932,29 +2024,29 @@ class LIBPROTOBUF_EXPORT EnumValueOptions : public ::google::protobuf::Message {
  public:
   EnumValueOptions();
   virtual ~EnumValueOptions();
-  
+
   EnumValueOptions(const EnumValueOptions& from);
-  
+
   inline EnumValueOptions& operator=(const EnumValueOptions& from) {
     CopyFrom(from);
     return *this;
   }
-  
+
   inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
     return _unknown_fields_;
   }
-  
+
   inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
     return &_unknown_fields_;
   }
-  
+
   static const ::google::protobuf::Descriptor* descriptor();
   static const EnumValueOptions& default_instance();
-  
+
   void Swap(EnumValueOptions* other);
-  
+
   // implements Message ----------------------------------------------
-  
+
   EnumValueOptions* New() const;
   void CopyFrom(const ::google::protobuf::Message& from);
   void MergeFrom(const ::google::protobuf::Message& from);
@@ -1962,7 +2054,7 @@ class LIBPROTOBUF_EXPORT EnumValueOptions : public ::google::protobuf::Message {
   void MergeFrom(const EnumValueOptions& from);
   void Clear();
   bool IsInitialized() const;
-  
+
   int ByteSize() const;
   bool MergePartialFromCodedStream(
       ::google::protobuf::io::CodedInputStream* input);
@@ -1975,13 +2067,13 @@ class LIBPROTOBUF_EXPORT EnumValueOptions : public ::google::protobuf::Message {
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-  
+
   ::google::protobuf::Metadata GetMetadata() const;
-  
+
   // nested types ----------------------------------------------------
-  
+
   // accessors -------------------------------------------------------
-  
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   inline int uninterpreted_option_size() const;
   inline void clear_uninterpreted_option();
@@ -1993,32 +2085,24 @@ class LIBPROTOBUF_EXPORT EnumValueOptions : public ::google::protobuf::Message {
       uninterpreted_option() const;
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption >*
       mutable_uninterpreted_option();
-  
+
   GOOGLE_PROTOBUF_EXTENSION_ACCESSORS(EnumValueOptions)
   // @@protoc_insertion_point(class_scope:google.protobuf.EnumValueOptions)
  private:
+
   ::google::protobuf::internal::ExtensionSet _extensions_;
+
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
-  mutable int _cached_size_;
-  
+
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption > uninterpreted_option_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(1 + 31) / 32];
+
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
-  
-  ::google::protobuf::uint32 _has_bits_[(1 + 31) / 32];
-  
-  // WHY DOES & HAVE LOWER PRECEDENCE THAN != !?
-  inline bool _has_bit(int index) const {
-    return (_has_bits_[index / 32] & (1u << (index % 32))) != 0;
-  }
-  inline void _set_bit(int index) {
-    _has_bits_[index / 32] |= (1u << (index % 32));
-  }
-  inline void _clear_bit(int index) {
-    _has_bits_[index / 32] &= ~(1u << (index % 32));
-  }
-  
+
   void InitAsDefaultInstance();
   static EnumValueOptions* default_instance_;
 };
@@ -2028,29 +2112,29 @@ class LIBPROTOBUF_EXPORT ServiceOptions : public ::google::protobuf::Message {
  public:
   ServiceOptions();
   virtual ~ServiceOptions();
-  
+
   ServiceOptions(const ServiceOptions& from);
-  
+
   inline ServiceOptions& operator=(const ServiceOptions& from) {
     CopyFrom(from);
     return *this;
   }
-  
+
   inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
     return _unknown_fields_;
   }
-  
+
   inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
     return &_unknown_fields_;
   }
-  
+
   static const ::google::protobuf::Descriptor* descriptor();
   static const ServiceOptions& default_instance();
-  
+
   void Swap(ServiceOptions* other);
-  
+
   // implements Message ----------------------------------------------
-  
+
   ServiceOptions* New() const;
   void CopyFrom(const ::google::protobuf::Message& from);
   void MergeFrom(const ::google::protobuf::Message& from);
@@ -2058,7 +2142,7 @@ class LIBPROTOBUF_EXPORT ServiceOptions : public ::google::protobuf::Message {
   void MergeFrom(const ServiceOptions& from);
   void Clear();
   bool IsInitialized() const;
-  
+
   int ByteSize() const;
   bool MergePartialFromCodedStream(
       ::google::protobuf::io::CodedInputStream* input);
@@ -2071,13 +2155,13 @@ class LIBPROTOBUF_EXPORT ServiceOptions : public ::google::protobuf::Message {
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-  
+
   ::google::protobuf::Metadata GetMetadata() const;
-  
+
   // nested types ----------------------------------------------------
-  
+
   // accessors -------------------------------------------------------
-  
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   inline int uninterpreted_option_size() const;
   inline void clear_uninterpreted_option();
@@ -2089,32 +2173,24 @@ class LIBPROTOBUF_EXPORT ServiceOptions : public ::google::protobuf::Message {
       uninterpreted_option() const;
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption >*
       mutable_uninterpreted_option();
-  
+
   GOOGLE_PROTOBUF_EXTENSION_ACCESSORS(ServiceOptions)
   // @@protoc_insertion_point(class_scope:google.protobuf.ServiceOptions)
  private:
+
   ::google::protobuf::internal::ExtensionSet _extensions_;
+
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
-  mutable int _cached_size_;
-  
+
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption > uninterpreted_option_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(1 + 31) / 32];
+
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
-  
-  ::google::protobuf::uint32 _has_bits_[(1 + 31) / 32];
-  
-  // WHY DOES & HAVE LOWER PRECEDENCE THAN != !?
-  inline bool _has_bit(int index) const {
-    return (_has_bits_[index / 32] & (1u << (index % 32))) != 0;
-  }
-  inline void _set_bit(int index) {
-    _has_bits_[index / 32] |= (1u << (index % 32));
-  }
-  inline void _clear_bit(int index) {
-    _has_bits_[index / 32] &= ~(1u << (index % 32));
-  }
-  
+
   void InitAsDefaultInstance();
   static ServiceOptions* default_instance_;
 };
@@ -2124,29 +2200,29 @@ class LIBPROTOBUF_EXPORT MethodOptions : public ::google::protobuf::Message {
  public:
   MethodOptions();
   virtual ~MethodOptions();
-  
+
   MethodOptions(const MethodOptions& from);
-  
+
   inline MethodOptions& operator=(const MethodOptions& from) {
     CopyFrom(from);
     return *this;
   }
-  
+
   inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
     return _unknown_fields_;
   }
-  
+
   inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
     return &_unknown_fields_;
   }
-  
+
   static const ::google::protobuf::Descriptor* descriptor();
   static const MethodOptions& default_instance();
-  
+
   void Swap(MethodOptions* other);
-  
+
   // implements Message ----------------------------------------------
-  
+
   MethodOptions* New() const;
   void CopyFrom(const ::google::protobuf::Message& from);
   void MergeFrom(const ::google::protobuf::Message& from);
@@ -2154,7 +2230,7 @@ class LIBPROTOBUF_EXPORT MethodOptions : public ::google::protobuf::Message {
   void MergeFrom(const MethodOptions& from);
   void Clear();
   bool IsInitialized() const;
-  
+
   int ByteSize() const;
   bool MergePartialFromCodedStream(
       ::google::protobuf::io::CodedInputStream* input);
@@ -2167,13 +2243,13 @@ class LIBPROTOBUF_EXPORT MethodOptions : public ::google::protobuf::Message {
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-  
+
   ::google::protobuf::Metadata GetMetadata() const;
-  
+
   // nested types ----------------------------------------------------
-  
+
   // accessors -------------------------------------------------------
-  
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   inline int uninterpreted_option_size() const;
   inline void clear_uninterpreted_option();
@@ -2185,32 +2261,24 @@ class LIBPROTOBUF_EXPORT MethodOptions : public ::google::protobuf::Message {
       uninterpreted_option() const;
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption >*
       mutable_uninterpreted_option();
-  
+
   GOOGLE_PROTOBUF_EXTENSION_ACCESSORS(MethodOptions)
   // @@protoc_insertion_point(class_scope:google.protobuf.MethodOptions)
  private:
+
   ::google::protobuf::internal::ExtensionSet _extensions_;
+
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
-  mutable int _cached_size_;
-  
+
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption > uninterpreted_option_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(1 + 31) / 32];
+
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
-  
-  ::google::protobuf::uint32 _has_bits_[(1 + 31) / 32];
-  
-  // WHY DOES & HAVE LOWER PRECEDENCE THAN != !?
-  inline bool _has_bit(int index) const {
-    return (_has_bits_[index / 32] & (1u << (index % 32))) != 0;
-  }
-  inline void _set_bit(int index) {
-    _has_bits_[index / 32] |= (1u << (index % 32));
-  }
-  inline void _clear_bit(int index) {
-    _has_bits_[index / 32] &= ~(1u << (index % 32));
-  }
-  
+
   void InitAsDefaultInstance();
   static MethodOptions* default_instance_;
 };
@@ -2220,29 +2288,29 @@ class LIBPROTOBUF_EXPORT UninterpretedOption_NamePart : public ::google::protobu
  public:
   UninterpretedOption_NamePart();
   virtual ~UninterpretedOption_NamePart();
-  
+
   UninterpretedOption_NamePart(const UninterpretedOption_NamePart& from);
-  
+
   inline UninterpretedOption_NamePart& operator=(const UninterpretedOption_NamePart& from) {
     CopyFrom(from);
     return *this;
   }
-  
+
   inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
     return _unknown_fields_;
   }
-  
+
   inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
     return &_unknown_fields_;
   }
-  
+
   static const ::google::protobuf::Descriptor* descriptor();
   static const UninterpretedOption_NamePart& default_instance();
-  
+
   void Swap(UninterpretedOption_NamePart* other);
-  
+
   // implements Message ----------------------------------------------
-  
+
   UninterpretedOption_NamePart* New() const;
   void CopyFrom(const ::google::protobuf::Message& from);
   void MergeFrom(const ::google::protobuf::Message& from);
@@ -2250,7 +2318,7 @@ class LIBPROTOBUF_EXPORT UninterpretedOption_NamePart : public ::google::protobu
   void MergeFrom(const UninterpretedOption_NamePart& from);
   void Clear();
   bool IsInitialized() const;
-  
+
   int ByteSize() const;
   bool MergePartialFromCodedStream(
       ::google::protobuf::io::CodedInputStream* input);
@@ -2263,13 +2331,13 @@ class LIBPROTOBUF_EXPORT UninterpretedOption_NamePart : public ::google::protobu
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-  
+
   ::google::protobuf::Metadata GetMetadata() const;
-  
+
   // nested types ----------------------------------------------------
-  
+
   // accessors -------------------------------------------------------
-  
+
   // required string name_part = 1;
   inline bool has_name_part() const;
   inline void clear_name_part();
@@ -2279,39 +2347,35 @@ class LIBPROTOBUF_EXPORT UninterpretedOption_NamePart : public ::google::protobu
   inline void set_name_part(const char* value);
   inline void set_name_part(const char* value, size_t size);
   inline ::std::string* mutable_name_part();
-  
+  inline ::std::string* release_name_part();
+  inline void set_allocated_name_part(::std::string* name_part);
+
   // required bool is_extension = 2;
   inline bool has_is_extension() const;
   inline void clear_is_extension();
   static const int kIsExtensionFieldNumber = 2;
   inline bool is_extension() const;
   inline void set_is_extension(bool value);
-  
+
   // @@protoc_insertion_point(class_scope:google.protobuf.UninterpretedOption.NamePart)
  private:
+  inline void set_has_name_part();
+  inline void clear_has_name_part();
+  inline void set_has_is_extension();
+  inline void clear_has_is_extension();
+
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
-  mutable int _cached_size_;
-  
+
   ::std::string* name_part_;
-  static const ::std::string _default_name_part_;
   bool is_extension_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(2 + 31) / 32];
+
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
-  
-  ::google::protobuf::uint32 _has_bits_[(2 + 31) / 32];
-  
-  // WHY DOES & HAVE LOWER PRECEDENCE THAN != !?
-  inline bool _has_bit(int index) const {
-    return (_has_bits_[index / 32] & (1u << (index % 32))) != 0;
-  }
-  inline void _set_bit(int index) {
-    _has_bits_[index / 32] |= (1u << (index % 32));
-  }
-  inline void _clear_bit(int index) {
-    _has_bits_[index / 32] &= ~(1u << (index % 32));
-  }
-  
+
   void InitAsDefaultInstance();
   static UninterpretedOption_NamePart* default_instance_;
 };
@@ -2321,29 +2385,29 @@ class LIBPROTOBUF_EXPORT UninterpretedOption : public ::google::protobuf::Messag
  public:
   UninterpretedOption();
   virtual ~UninterpretedOption();
-  
+
   UninterpretedOption(const UninterpretedOption& from);
-  
+
   inline UninterpretedOption& operator=(const UninterpretedOption& from) {
     CopyFrom(from);
     return *this;
   }
-  
+
   inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
     return _unknown_fields_;
   }
-  
+
   inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
     return &_unknown_fields_;
   }
-  
+
   static const ::google::protobuf::Descriptor* descriptor();
   static const UninterpretedOption& default_instance();
-  
+
   void Swap(UninterpretedOption* other);
-  
+
   // implements Message ----------------------------------------------
-  
+
   UninterpretedOption* New() const;
   void CopyFrom(const ::google::protobuf::Message& from);
   void MergeFrom(const ::google::protobuf::Message& from);
@@ -2351,7 +2415,7 @@ class LIBPROTOBUF_EXPORT UninterpretedOption : public ::google::protobuf::Messag
   void MergeFrom(const UninterpretedOption& from);
   void Clear();
   bool IsInitialized() const;
-  
+
   int ByteSize() const;
   bool MergePartialFromCodedStream(
       ::google::protobuf::io::CodedInputStream* input);
@@ -2364,15 +2428,15 @@ class LIBPROTOBUF_EXPORT UninterpretedOption : public ::google::protobuf::Messag
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-  
+
   ::google::protobuf::Metadata GetMetadata() const;
-  
+
   // nested types ----------------------------------------------------
-  
+
   typedef UninterpretedOption_NamePart NamePart;
-  
+
   // accessors -------------------------------------------------------
-  
+
   // repeated .google.protobuf.UninterpretedOption.NamePart name = 2;
   inline int name_size() const;
   inline void clear_name();
@@ -2384,7 +2448,7 @@ class LIBPROTOBUF_EXPORT UninterpretedOption : public ::google::protobuf::Messag
       name() const;
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption_NamePart >*
       mutable_name();
-  
+
   // optional string identifier_value = 3;
   inline bool has_identifier_value() const;
   inline void clear_identifier_value();
@@ -2394,28 +2458,30 @@ class LIBPROTOBUF_EXPORT UninterpretedOption : public ::google::protobuf::Messag
   inline void set_identifier_value(const char* value);
   inline void set_identifier_value(const char* value, size_t size);
   inline ::std::string* mutable_identifier_value();
-  
+  inline ::std::string* release_identifier_value();
+  inline void set_allocated_identifier_value(::std::string* identifier_value);
+
   // optional uint64 positive_int_value = 4;
   inline bool has_positive_int_value() const;
   inline void clear_positive_int_value();
   static const int kPositiveIntValueFieldNumber = 4;
   inline ::google::protobuf::uint64 positive_int_value() const;
   inline void set_positive_int_value(::google::protobuf::uint64 value);
-  
+
   // optional int64 negative_int_value = 5;
   inline bool has_negative_int_value() const;
   inline void clear_negative_int_value();
   static const int kNegativeIntValueFieldNumber = 5;
   inline ::google::protobuf::int64 negative_int_value() const;
   inline void set_negative_int_value(::google::protobuf::int64 value);
-  
+
   // optional double double_value = 6;
   inline bool has_double_value() const;
   inline void clear_double_value();
   static const int kDoubleValueFieldNumber = 6;
   inline double double_value() const;
   inline void set_double_value(double value);
-  
+
   // optional bytes string_value = 7;
   inline bool has_string_value() const;
   inline void clear_string_value();
@@ -2425,40 +2491,273 @@ class LIBPROTOBUF_EXPORT UninterpretedOption : public ::google::protobuf::Messag
   inline void set_string_value(const char* value);
   inline void set_string_value(const void* value, size_t size);
   inline ::std::string* mutable_string_value();
-  
+  inline ::std::string* release_string_value();
+  inline void set_allocated_string_value(::std::string* string_value);
+
+  // optional string aggregate_value = 8;
+  inline bool has_aggregate_value() const;
+  inline void clear_aggregate_value();
+  static const int kAggregateValueFieldNumber = 8;
+  inline const ::std::string& aggregate_value() const;
+  inline void set_aggregate_value(const ::std::string& value);
+  inline void set_aggregate_value(const char* value);
+  inline void set_aggregate_value(const char* value, size_t size);
+  inline ::std::string* mutable_aggregate_value();
+  inline ::std::string* release_aggregate_value();
+  inline void set_allocated_aggregate_value(::std::string* aggregate_value);
+
   // @@protoc_insertion_point(class_scope:google.protobuf.UninterpretedOption)
  private:
+  inline void set_has_identifier_value();
+  inline void clear_has_identifier_value();
+  inline void set_has_positive_int_value();
+  inline void clear_has_positive_int_value();
+  inline void set_has_negative_int_value();
+  inline void clear_has_negative_int_value();
+  inline void set_has_double_value();
+  inline void clear_has_double_value();
+  inline void set_has_string_value();
+  inline void clear_has_string_value();
+  inline void set_has_aggregate_value();
+  inline void clear_has_aggregate_value();
+
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
-  mutable int _cached_size_;
-  
+
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption_NamePart > name_;
   ::std::string* identifier_value_;
-  static const ::std::string _default_identifier_value_;
   ::google::protobuf::uint64 positive_int_value_;
   ::google::protobuf::int64 negative_int_value_;
   double double_value_;
   ::std::string* string_value_;
-  static const ::std::string _default_string_value_;
+  ::std::string* aggregate_value_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(7 + 31) / 32];
+
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
-  
-  ::google::protobuf::uint32 _has_bits_[(6 + 31) / 32];
-  
-  // WHY DOES & HAVE LOWER PRECEDENCE THAN != !?
-  inline bool _has_bit(int index) const {
-    return (_has_bits_[index / 32] & (1u << (index % 32))) != 0;
-  }
-  inline void _set_bit(int index) {
-    _has_bits_[index / 32] |= (1u << (index % 32));
-  }
-  inline void _clear_bit(int index) {
-    _has_bits_[index / 32] &= ~(1u << (index % 32));
-  }
-  
+
   void InitAsDefaultInstance();
   static UninterpretedOption* default_instance_;
 };
+// -------------------------------------------------------------------
+
+class LIBPROTOBUF_EXPORT SourceCodeInfo_Location : public ::google::protobuf::Message {
+ public:
+  SourceCodeInfo_Location();
+  virtual ~SourceCodeInfo_Location();
+
+  SourceCodeInfo_Location(const SourceCodeInfo_Location& from);
+
+  inline SourceCodeInfo_Location& operator=(const SourceCodeInfo_Location& from) {
+    CopyFrom(from);
+    return *this;
+  }
+
+  inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
+    return _unknown_fields_;
+  }
+
+  inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
+    return &_unknown_fields_;
+  }
+
+  static const ::google::protobuf::Descriptor* descriptor();
+  static const SourceCodeInfo_Location& default_instance();
+
+  void Swap(SourceCodeInfo_Location* other);
+
+  // implements Message ----------------------------------------------
+
+  SourceCodeInfo_Location* New() const;
+  void CopyFrom(const ::google::protobuf::Message& from);
+  void MergeFrom(const ::google::protobuf::Message& from);
+  void CopyFrom(const SourceCodeInfo_Location& from);
+  void MergeFrom(const SourceCodeInfo_Location& from);
+  void Clear();
+  bool IsInitialized() const;
+
+  int ByteSize() const;
+  bool MergePartialFromCodedStream(
+      ::google::protobuf::io::CodedInputStream* input);
+  void SerializeWithCachedSizes(
+      ::google::protobuf::io::CodedOutputStream* output) const;
+  ::google::protobuf::uint8* SerializeWithCachedSizesToArray(::google::protobuf::uint8* output) const;
+  int GetCachedSize() const { return _cached_size_; }
+  private:
+  void SharedCtor();
+  void SharedDtor();
+  void SetCachedSize(int size) const;
+  public:
+
+  ::google::protobuf::Metadata GetMetadata() const;
+
+  // nested types ----------------------------------------------------
+
+  // accessors -------------------------------------------------------
+
+  // repeated int32 path = 1 [packed = true];
+  inline int path_size() const;
+  inline void clear_path();
+  static const int kPathFieldNumber = 1;
+  inline ::google::protobuf::int32 path(int index) const;
+  inline void set_path(int index, ::google::protobuf::int32 value);
+  inline void add_path(::google::protobuf::int32 value);
+  inline const ::google::protobuf::RepeatedField< ::google::protobuf::int32 >&
+      path() const;
+  inline ::google::protobuf::RepeatedField< ::google::protobuf::int32 >*
+      mutable_path();
+
+  // repeated int32 span = 2 [packed = true];
+  inline int span_size() const;
+  inline void clear_span();
+  static const int kSpanFieldNumber = 2;
+  inline ::google::protobuf::int32 span(int index) const;
+  inline void set_span(int index, ::google::protobuf::int32 value);
+  inline void add_span(::google::protobuf::int32 value);
+  inline const ::google::protobuf::RepeatedField< ::google::protobuf::int32 >&
+      span() const;
+  inline ::google::protobuf::RepeatedField< ::google::protobuf::int32 >*
+      mutable_span();
+
+  // optional string leading_comments = 3;
+  inline bool has_leading_comments() const;
+  inline void clear_leading_comments();
+  static const int kLeadingCommentsFieldNumber = 3;
+  inline const ::std::string& leading_comments() const;
+  inline void set_leading_comments(const ::std::string& value);
+  inline void set_leading_comments(const char* value);
+  inline void set_leading_comments(const char* value, size_t size);
+  inline ::std::string* mutable_leading_comments();
+  inline ::std::string* release_leading_comments();
+  inline void set_allocated_leading_comments(::std::string* leading_comments);
+
+  // optional string trailing_comments = 4;
+  inline bool has_trailing_comments() const;
+  inline void clear_trailing_comments();
+  static const int kTrailingCommentsFieldNumber = 4;
+  inline const ::std::string& trailing_comments() const;
+  inline void set_trailing_comments(const ::std::string& value);
+  inline void set_trailing_comments(const char* value);
+  inline void set_trailing_comments(const char* value, size_t size);
+  inline ::std::string* mutable_trailing_comments();
+  inline ::std::string* release_trailing_comments();
+  inline void set_allocated_trailing_comments(::std::string* trailing_comments);
+
+  // @@protoc_insertion_point(class_scope:google.protobuf.SourceCodeInfo.Location)
+ private:
+  inline void set_has_leading_comments();
+  inline void clear_has_leading_comments();
+  inline void set_has_trailing_comments();
+  inline void clear_has_trailing_comments();
+
+  ::google::protobuf::UnknownFieldSet _unknown_fields_;
+
+  ::google::protobuf::RepeatedField< ::google::protobuf::int32 > path_;
+  mutable int _path_cached_byte_size_;
+  ::google::protobuf::RepeatedField< ::google::protobuf::int32 > span_;
+  mutable int _span_cached_byte_size_;
+  ::std::string* leading_comments_;
+  ::std::string* trailing_comments_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(4 + 31) / 32];
+
+  friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
+
+  void InitAsDefaultInstance();
+  static SourceCodeInfo_Location* default_instance_;
+};
+// -------------------------------------------------------------------
+
+class LIBPROTOBUF_EXPORT SourceCodeInfo : public ::google::protobuf::Message {
+ public:
+  SourceCodeInfo();
+  virtual ~SourceCodeInfo();
+
+  SourceCodeInfo(const SourceCodeInfo& from);
+
+  inline SourceCodeInfo& operator=(const SourceCodeInfo& from) {
+    CopyFrom(from);
+    return *this;
+  }
+
+  inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
+    return _unknown_fields_;
+  }
+
+  inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
+    return &_unknown_fields_;
+  }
+
+  static const ::google::protobuf::Descriptor* descriptor();
+  static const SourceCodeInfo& default_instance();
+
+  void Swap(SourceCodeInfo* other);
+
+  // implements Message ----------------------------------------------
+
+  SourceCodeInfo* New() const;
+  void CopyFrom(const ::google::protobuf::Message& from);
+  void MergeFrom(const ::google::protobuf::Message& from);
+  void CopyFrom(const SourceCodeInfo& from);
+  void MergeFrom(const SourceCodeInfo& from);
+  void Clear();
+  bool IsInitialized() const;
+
+  int ByteSize() const;
+  bool MergePartialFromCodedStream(
+      ::google::protobuf::io::CodedInputStream* input);
+  void SerializeWithCachedSizes(
+      ::google::protobuf::io::CodedOutputStream* output) const;
+  ::google::protobuf::uint8* SerializeWithCachedSizesToArray(::google::protobuf::uint8* output) const;
+  int GetCachedSize() const { return _cached_size_; }
+  private:
+  void SharedCtor();
+  void SharedDtor();
+  void SetCachedSize(int size) const;
+  public:
+
+  ::google::protobuf::Metadata GetMetadata() const;
+
+  // nested types ----------------------------------------------------
+
+  typedef SourceCodeInfo_Location Location;
+
+  // accessors -------------------------------------------------------
+
+  // repeated .google.protobuf.SourceCodeInfo.Location location = 1;
+  inline int location_size() const;
+  inline void clear_location();
+  static const int kLocationFieldNumber = 1;
+  inline const ::google::protobuf::SourceCodeInfo_Location& location(int index) const;
+  inline ::google::protobuf::SourceCodeInfo_Location* mutable_location(int index);
+  inline ::google::protobuf::SourceCodeInfo_Location* add_location();
+  inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::SourceCodeInfo_Location >&
+      location() const;
+  inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::SourceCodeInfo_Location >*
+      mutable_location();
+
+  // @@protoc_insertion_point(class_scope:google.protobuf.SourceCodeInfo)
+ private:
+
+  ::google::protobuf::UnknownFieldSet _unknown_fields_;
+
+  ::google::protobuf::RepeatedPtrField< ::google::protobuf::SourceCodeInfo_Location > location_;
+
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _has_bits_[(1 + 31) / 32];
+
+  friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
+
+  void InitAsDefaultInstance();
+  static SourceCodeInfo* default_instance_;
+};
 // ===================================================================
 
 
@@ -2497,87 +2796,143 @@ FileDescriptorSet::mutable_file() {
 
 // optional string name = 1;
 inline bool FileDescriptorProto::has_name() const {
-  return _has_bit(0);
+  return (_has_bits_[0] & 0x00000001u) != 0;
+}
+inline void FileDescriptorProto::set_has_name() {
+  _has_bits_[0] |= 0x00000001u;
+}
+inline void FileDescriptorProto::clear_has_name() {
+  _has_bits_[0] &= ~0x00000001u;
 }
 inline void FileDescriptorProto::clear_name() {
-  if (name_ != &_default_name_) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
     name_->clear();
   }
-  _clear_bit(0);
+  clear_has_name();
 }
 inline const ::std::string& FileDescriptorProto::name() const {
   return *name_;
 }
 inline void FileDescriptorProto::set_name(const ::std::string& value) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(value);
 }
 inline void FileDescriptorProto::set_name(const char* value) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(value);
 }
 inline void FileDescriptorProto::set_name(const char* value, size_t size) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* FileDescriptorProto::mutable_name() {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   return name_;
 }
+inline ::std::string* FileDescriptorProto::release_name() {
+  clear_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = name_;
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void FileDescriptorProto::set_allocated_name(::std::string* name) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
+    delete name_;
+  }
+  if (name) {
+    set_has_name();
+    name_ = name;
+  } else {
+    clear_has_name();
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
 
 // optional string package = 2;
 inline bool FileDescriptorProto::has_package() const {
-  return _has_bit(1);
+  return (_has_bits_[0] & 0x00000002u) != 0;
+}
+inline void FileDescriptorProto::set_has_package() {
+  _has_bits_[0] |= 0x00000002u;
+}
+inline void FileDescriptorProto::clear_has_package() {
+  _has_bits_[0] &= ~0x00000002u;
 }
 inline void FileDescriptorProto::clear_package() {
-  if (package_ != &_default_package_) {
+  if (package_ != &::google::protobuf::internal::kEmptyString) {
     package_->clear();
   }
-  _clear_bit(1);
+  clear_has_package();
 }
 inline const ::std::string& FileDescriptorProto::package() const {
   return *package_;
 }
 inline void FileDescriptorProto::set_package(const ::std::string& value) {
-  _set_bit(1);
-  if (package_ == &_default_package_) {
+  set_has_package();
+  if (package_ == &::google::protobuf::internal::kEmptyString) {
     package_ = new ::std::string;
   }
   package_->assign(value);
 }
 inline void FileDescriptorProto::set_package(const char* value) {
-  _set_bit(1);
-  if (package_ == &_default_package_) {
+  set_has_package();
+  if (package_ == &::google::protobuf::internal::kEmptyString) {
     package_ = new ::std::string;
   }
   package_->assign(value);
 }
 inline void FileDescriptorProto::set_package(const char* value, size_t size) {
-  _set_bit(1);
-  if (package_ == &_default_package_) {
+  set_has_package();
+  if (package_ == &::google::protobuf::internal::kEmptyString) {
     package_ = new ::std::string;
   }
   package_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* FileDescriptorProto::mutable_package() {
-  _set_bit(1);
-  if (package_ == &_default_package_) {
+  set_has_package();
+  if (package_ == &::google::protobuf::internal::kEmptyString) {
     package_ = new ::std::string;
   }
   return package_;
 }
+inline ::std::string* FileDescriptorProto::release_package() {
+  clear_has_package();
+  if (package_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = package_;
+    package_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void FileDescriptorProto::set_allocated_package(::std::string* package) {
+  if (package_ != &::google::protobuf::internal::kEmptyString) {
+    delete package_;
+  }
+  if (package) {
+    set_has_package();
+    package_ = package;
+  } else {
+    clear_has_package();
+    package_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
 
 // repeated string dependency = 3;
 inline int FileDescriptorProto::dependency_size() const {
@@ -2623,6 +2978,56 @@ FileDescriptorProto::mutable_dependency() {
   return &dependency_;
 }
 
+// repeated int32 public_dependency = 10;
+inline int FileDescriptorProto::public_dependency_size() const {
+  return public_dependency_.size();
+}
+inline void FileDescriptorProto::clear_public_dependency() {
+  public_dependency_.Clear();
+}
+inline ::google::protobuf::int32 FileDescriptorProto::public_dependency(int index) const {
+  return public_dependency_.Get(index);
+}
+inline void FileDescriptorProto::set_public_dependency(int index, ::google::protobuf::int32 value) {
+  public_dependency_.Set(index, value);
+}
+inline void FileDescriptorProto::add_public_dependency(::google::protobuf::int32 value) {
+  public_dependency_.Add(value);
+}
+inline const ::google::protobuf::RepeatedField< ::google::protobuf::int32 >&
+FileDescriptorProto::public_dependency() const {
+  return public_dependency_;
+}
+inline ::google::protobuf::RepeatedField< ::google::protobuf::int32 >*
+FileDescriptorProto::mutable_public_dependency() {
+  return &public_dependency_;
+}
+
+// repeated int32 weak_dependency = 11;
+inline int FileDescriptorProto::weak_dependency_size() const {
+  return weak_dependency_.size();
+}
+inline void FileDescriptorProto::clear_weak_dependency() {
+  weak_dependency_.Clear();
+}
+inline ::google::protobuf::int32 FileDescriptorProto::weak_dependency(int index) const {
+  return weak_dependency_.Get(index);
+}
+inline void FileDescriptorProto::set_weak_dependency(int index, ::google::protobuf::int32 value) {
+  weak_dependency_.Set(index, value);
+}
+inline void FileDescriptorProto::add_weak_dependency(::google::protobuf::int32 value) {
+  weak_dependency_.Add(value);
+}
+inline const ::google::protobuf::RepeatedField< ::google::protobuf::int32 >&
+FileDescriptorProto::weak_dependency() const {
+  return weak_dependency_;
+}
+inline ::google::protobuf::RepeatedField< ::google::protobuf::int32 >*
+FileDescriptorProto::mutable_weak_dependency() {
+  return &weak_dependency_;
+}
+
 // repeated .google.protobuf.DescriptorProto message_type = 4;
 inline int FileDescriptorProto::message_type_size() const {
   return message_type_.size();
@@ -2725,20 +3130,79 @@ FileDescriptorProto::mutable_extension() {
 
 // optional .google.protobuf.FileOptions options = 8;
 inline bool FileDescriptorProto::has_options() const {
-  return _has_bit(7);
+  return (_has_bits_[0] & 0x00000200u) != 0;
+}
+inline void FileDescriptorProto::set_has_options() {
+  _has_bits_[0] |= 0x00000200u;
+}
+inline void FileDescriptorProto::clear_has_options() {
+  _has_bits_[0] &= ~0x00000200u;
 }
 inline void FileDescriptorProto::clear_options() {
   if (options_ != NULL) options_->::google::protobuf::FileOptions::Clear();
-  _clear_bit(7);
+  clear_has_options();
 }
 inline const ::google::protobuf::FileOptions& FileDescriptorProto::options() const {
   return options_ != NULL ? *options_ : *default_instance_->options_;
 }
 inline ::google::protobuf::FileOptions* FileDescriptorProto::mutable_options() {
-  _set_bit(7);
+  set_has_options();
   if (options_ == NULL) options_ = new ::google::protobuf::FileOptions;
   return options_;
 }
+inline ::google::protobuf::FileOptions* FileDescriptorProto::release_options() {
+  clear_has_options();
+  ::google::protobuf::FileOptions* temp = options_;
+  options_ = NULL;
+  return temp;
+}
+inline void FileDescriptorProto::set_allocated_options(::google::protobuf::FileOptions* options) {
+  delete options_;
+  options_ = options;
+  if (options) {
+    set_has_options();
+  } else {
+    clear_has_options();
+  }
+}
+
+// optional .google.protobuf.SourceCodeInfo source_code_info = 9;
+inline bool FileDescriptorProto::has_source_code_info() const {
+  return (_has_bits_[0] & 0x00000400u) != 0;
+}
+inline void FileDescriptorProto::set_has_source_code_info() {
+  _has_bits_[0] |= 0x00000400u;
+}
+inline void FileDescriptorProto::clear_has_source_code_info() {
+  _has_bits_[0] &= ~0x00000400u;
+}
+inline void FileDescriptorProto::clear_source_code_info() {
+  if (source_code_info_ != NULL) source_code_info_->::google::protobuf::SourceCodeInfo::Clear();
+  clear_has_source_code_info();
+}
+inline const ::google::protobuf::SourceCodeInfo& FileDescriptorProto::source_code_info() const {
+  return source_code_info_ != NULL ? *source_code_info_ : *default_instance_->source_code_info_;
+}
+inline ::google::protobuf::SourceCodeInfo* FileDescriptorProto::mutable_source_code_info() {
+  set_has_source_code_info();
+  if (source_code_info_ == NULL) source_code_info_ = new ::google::protobuf::SourceCodeInfo;
+  return source_code_info_;
+}
+inline ::google::protobuf::SourceCodeInfo* FileDescriptorProto::release_source_code_info() {
+  clear_has_source_code_info();
+  ::google::protobuf::SourceCodeInfo* temp = source_code_info_;
+  source_code_info_ = NULL;
+  return temp;
+}
+inline void FileDescriptorProto::set_allocated_source_code_info(::google::protobuf::SourceCodeInfo* source_code_info) {
+  delete source_code_info_;
+  source_code_info_ = source_code_info;
+  if (source_code_info) {
+    set_has_source_code_info();
+  } else {
+    clear_has_source_code_info();
+  }
+}
 
 // -------------------------------------------------------------------
 
@@ -2746,33 +3210,45 @@ inline ::google::protobuf::FileOptions* FileDescriptorProto::mutable_options() {
 
 // optional int32 start = 1;
 inline bool DescriptorProto_ExtensionRange::has_start() const {
-  return _has_bit(0);
+  return (_has_bits_[0] & 0x00000001u) != 0;
+}
+inline void DescriptorProto_ExtensionRange::set_has_start() {
+  _has_bits_[0] |= 0x00000001u;
+}
+inline void DescriptorProto_ExtensionRange::clear_has_start() {
+  _has_bits_[0] &= ~0x00000001u;
 }
 inline void DescriptorProto_ExtensionRange::clear_start() {
   start_ = 0;
-  _clear_bit(0);
+  clear_has_start();
 }
 inline ::google::protobuf::int32 DescriptorProto_ExtensionRange::start() const {
   return start_;
 }
 inline void DescriptorProto_ExtensionRange::set_start(::google::protobuf::int32 value) {
-  _set_bit(0);
+  set_has_start();
   start_ = value;
 }
 
 // optional int32 end = 2;
 inline bool DescriptorProto_ExtensionRange::has_end() const {
-  return _has_bit(1);
+  return (_has_bits_[0] & 0x00000002u) != 0;
+}
+inline void DescriptorProto_ExtensionRange::set_has_end() {
+  _has_bits_[0] |= 0x00000002u;
+}
+inline void DescriptorProto_ExtensionRange::clear_has_end() {
+  _has_bits_[0] &= ~0x00000002u;
 }
 inline void DescriptorProto_ExtensionRange::clear_end() {
   end_ = 0;
-  _clear_bit(1);
+  clear_has_end();
 }
 inline ::google::protobuf::int32 DescriptorProto_ExtensionRange::end() const {
   return end_;
 }
 inline void DescriptorProto_ExtensionRange::set_end(::google::protobuf::int32 value) {
-  _set_bit(1);
+  set_has_end();
   end_ = value;
 }
 
@@ -2782,45 +3258,73 @@ inline void DescriptorProto_ExtensionRange::set_end(::google::protobuf::int32 va
 
 // optional string name = 1;
 inline bool DescriptorProto::has_name() const {
-  return _has_bit(0);
+  return (_has_bits_[0] & 0x00000001u) != 0;
+}
+inline void DescriptorProto::set_has_name() {
+  _has_bits_[0] |= 0x00000001u;
+}
+inline void DescriptorProto::clear_has_name() {
+  _has_bits_[0] &= ~0x00000001u;
 }
 inline void DescriptorProto::clear_name() {
-  if (name_ != &_default_name_) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
     name_->clear();
   }
-  _clear_bit(0);
+  clear_has_name();
 }
 inline const ::std::string& DescriptorProto::name() const {
   return *name_;
 }
 inline void DescriptorProto::set_name(const ::std::string& value) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(value);
 }
 inline void DescriptorProto::set_name(const char* value) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(value);
 }
 inline void DescriptorProto::set_name(const char* value, size_t size) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* DescriptorProto::mutable_name() {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   return name_;
 }
+inline ::std::string* DescriptorProto::release_name() {
+  clear_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = name_;
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void DescriptorProto::set_allocated_name(::std::string* name) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
+    delete name_;
+  }
+  if (name) {
+    set_has_name();
+    name_ = name;
+  } else {
+    clear_has_name();
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
 
 // repeated .google.protobuf.FieldDescriptorProto field = 2;
 inline int DescriptorProto::field_size() const {
@@ -2949,20 +3453,41 @@ DescriptorProto::mutable_extension_range() {
 
 // optional .google.protobuf.MessageOptions options = 7;
 inline bool DescriptorProto::has_options() const {
-  return _has_bit(6);
+  return (_has_bits_[0] & 0x00000040u) != 0;
+}
+inline void DescriptorProto::set_has_options() {
+  _has_bits_[0] |= 0x00000040u;
+}
+inline void DescriptorProto::clear_has_options() {
+  _has_bits_[0] &= ~0x00000040u;
 }
 inline void DescriptorProto::clear_options() {
   if (options_ != NULL) options_->::google::protobuf::MessageOptions::Clear();
-  _clear_bit(6);
+  clear_has_options();
 }
 inline const ::google::protobuf::MessageOptions& DescriptorProto::options() const {
   return options_ != NULL ? *options_ : *default_instance_->options_;
 }
 inline ::google::protobuf::MessageOptions* DescriptorProto::mutable_options() {
-  _set_bit(6);
+  set_has_options();
   if (options_ == NULL) options_ = new ::google::protobuf::MessageOptions;
   return options_;
 }
+inline ::google::protobuf::MessageOptions* DescriptorProto::release_options() {
+  clear_has_options();
+  ::google::protobuf::MessageOptions* temp = options_;
+  options_ = NULL;
+  return temp;
+}
+inline void DescriptorProto::set_allocated_options(::google::protobuf::MessageOptions* options) {
+  delete options_;
+  options_ = options;
+  if (options) {
+    set_has_options();
+  } else {
+    clear_has_options();
+  }
+}
 
 // -------------------------------------------------------------------
 
@@ -2970,238 +3495,389 @@ inline ::google::protobuf::MessageOptions* DescriptorProto::mutable_options() {
 
 // optional string name = 1;
 inline bool FieldDescriptorProto::has_name() const {
-  return _has_bit(0);
+  return (_has_bits_[0] & 0x00000001u) != 0;
+}
+inline void FieldDescriptorProto::set_has_name() {
+  _has_bits_[0] |= 0x00000001u;
+}
+inline void FieldDescriptorProto::clear_has_name() {
+  _has_bits_[0] &= ~0x00000001u;
 }
 inline void FieldDescriptorProto::clear_name() {
-  if (name_ != &_default_name_) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
     name_->clear();
   }
-  _clear_bit(0);
+  clear_has_name();
 }
 inline const ::std::string& FieldDescriptorProto::name() const {
   return *name_;
 }
 inline void FieldDescriptorProto::set_name(const ::std::string& value) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(value);
 }
 inline void FieldDescriptorProto::set_name(const char* value) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(value);
 }
 inline void FieldDescriptorProto::set_name(const char* value, size_t size) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* FieldDescriptorProto::mutable_name() {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   return name_;
 }
+inline ::std::string* FieldDescriptorProto::release_name() {
+  clear_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = name_;
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void FieldDescriptorProto::set_allocated_name(::std::string* name) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
+    delete name_;
+  }
+  if (name) {
+    set_has_name();
+    name_ = name;
+  } else {
+    clear_has_name();
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
 
 // optional int32 number = 3;
 inline bool FieldDescriptorProto::has_number() const {
-  return _has_bit(1);
+  return (_has_bits_[0] & 0x00000002u) != 0;
+}
+inline void FieldDescriptorProto::set_has_number() {
+  _has_bits_[0] |= 0x00000002u;
+}
+inline void FieldDescriptorProto::clear_has_number() {
+  _has_bits_[0] &= ~0x00000002u;
 }
 inline void FieldDescriptorProto::clear_number() {
   number_ = 0;
-  _clear_bit(1);
+  clear_has_number();
 }
 inline ::google::protobuf::int32 FieldDescriptorProto::number() const {
   return number_;
 }
 inline void FieldDescriptorProto::set_number(::google::protobuf::int32 value) {
-  _set_bit(1);
+  set_has_number();
   number_ = value;
 }
 
 // optional .google.protobuf.FieldDescriptorProto.Label label = 4;
 inline bool FieldDescriptorProto::has_label() const {
-  return _has_bit(2);
+  return (_has_bits_[0] & 0x00000004u) != 0;
+}
+inline void FieldDescriptorProto::set_has_label() {
+  _has_bits_[0] |= 0x00000004u;
+}
+inline void FieldDescriptorProto::clear_has_label() {
+  _has_bits_[0] &= ~0x00000004u;
 }
 inline void FieldDescriptorProto::clear_label() {
   label_ = 1;
-  _clear_bit(2);
+  clear_has_label();
 }
 inline ::google::protobuf::FieldDescriptorProto_Label FieldDescriptorProto::label() const {
   return static_cast< ::google::protobuf::FieldDescriptorProto_Label >(label_);
 }
 inline void FieldDescriptorProto::set_label(::google::protobuf::FieldDescriptorProto_Label value) {
-  GOOGLE_DCHECK(::google::protobuf::FieldDescriptorProto_Label_IsValid(value));
-  _set_bit(2);
+  assert(::google::protobuf::FieldDescriptorProto_Label_IsValid(value));
+  set_has_label();
   label_ = value;
 }
 
 // optional .google.protobuf.FieldDescriptorProto.Type type = 5;
 inline bool FieldDescriptorProto::has_type() const {
-  return _has_bit(3);
+  return (_has_bits_[0] & 0x00000008u) != 0;
+}
+inline void FieldDescriptorProto::set_has_type() {
+  _has_bits_[0] |= 0x00000008u;
+}
+inline void FieldDescriptorProto::clear_has_type() {
+  _has_bits_[0] &= ~0x00000008u;
 }
 inline void FieldDescriptorProto::clear_type() {
   type_ = 1;
-  _clear_bit(3);
+  clear_has_type();
 }
 inline ::google::protobuf::FieldDescriptorProto_Type FieldDescriptorProto::type() const {
   return static_cast< ::google::protobuf::FieldDescriptorProto_Type >(type_);
 }
 inline void FieldDescriptorProto::set_type(::google::protobuf::FieldDescriptorProto_Type value) {
-  GOOGLE_DCHECK(::google::protobuf::FieldDescriptorProto_Type_IsValid(value));
-  _set_bit(3);
+  assert(::google::protobuf::FieldDescriptorProto_Type_IsValid(value));
+  set_has_type();
   type_ = value;
 }
 
 // optional string type_name = 6;
 inline bool FieldDescriptorProto::has_type_name() const {
-  return _has_bit(4);
+  return (_has_bits_[0] & 0x00000010u) != 0;
+}
+inline void FieldDescriptorProto::set_has_type_name() {
+  _has_bits_[0] |= 0x00000010u;
+}
+inline void FieldDescriptorProto::clear_has_type_name() {
+  _has_bits_[0] &= ~0x00000010u;
 }
 inline void FieldDescriptorProto::clear_type_name() {
-  if (type_name_ != &_default_type_name_) {
+  if (type_name_ != &::google::protobuf::internal::kEmptyString) {
     type_name_->clear();
   }
-  _clear_bit(4);
+  clear_has_type_name();
 }
 inline const ::std::string& FieldDescriptorProto::type_name() const {
   return *type_name_;
 }
 inline void FieldDescriptorProto::set_type_name(const ::std::string& value) {
-  _set_bit(4);
-  if (type_name_ == &_default_type_name_) {
+  set_has_type_name();
+  if (type_name_ == &::google::protobuf::internal::kEmptyString) {
     type_name_ = new ::std::string;
   }
   type_name_->assign(value);
 }
 inline void FieldDescriptorProto::set_type_name(const char* value) {
-  _set_bit(4);
-  if (type_name_ == &_default_type_name_) {
+  set_has_type_name();
+  if (type_name_ == &::google::protobuf::internal::kEmptyString) {
     type_name_ = new ::std::string;
   }
   type_name_->assign(value);
 }
 inline void FieldDescriptorProto::set_type_name(const char* value, size_t size) {
-  _set_bit(4);
-  if (type_name_ == &_default_type_name_) {
+  set_has_type_name();
+  if (type_name_ == &::google::protobuf::internal::kEmptyString) {
     type_name_ = new ::std::string;
   }
   type_name_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* FieldDescriptorProto::mutable_type_name() {
-  _set_bit(4);
-  if (type_name_ == &_default_type_name_) {
+  set_has_type_name();
+  if (type_name_ == &::google::protobuf::internal::kEmptyString) {
     type_name_ = new ::std::string;
   }
   return type_name_;
 }
+inline ::std::string* FieldDescriptorProto::release_type_name() {
+  clear_has_type_name();
+  if (type_name_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = type_name_;
+    type_name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void FieldDescriptorProto::set_allocated_type_name(::std::string* type_name) {
+  if (type_name_ != &::google::protobuf::internal::kEmptyString) {
+    delete type_name_;
+  }
+  if (type_name) {
+    set_has_type_name();
+    type_name_ = type_name;
+  } else {
+    clear_has_type_name();
+    type_name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
 
 // optional string extendee = 2;
 inline bool FieldDescriptorProto::has_extendee() const {
-  return _has_bit(5);
+  return (_has_bits_[0] & 0x00000020u) != 0;
+}
+inline void FieldDescriptorProto::set_has_extendee() {
+  _has_bits_[0] |= 0x00000020u;
+}
+inline void FieldDescriptorProto::clear_has_extendee() {
+  _has_bits_[0] &= ~0x00000020u;
 }
 inline void FieldDescriptorProto::clear_extendee() {
-  if (extendee_ != &_default_extendee_) {
+  if (extendee_ != &::google::protobuf::internal::kEmptyString) {
     extendee_->clear();
   }
-  _clear_bit(5);
+  clear_has_extendee();
 }
 inline const ::std::string& FieldDescriptorProto::extendee() const {
   return *extendee_;
 }
 inline void FieldDescriptorProto::set_extendee(const ::std::string& value) {
-  _set_bit(5);
-  if (extendee_ == &_default_extendee_) {
+  set_has_extendee();
+  if (extendee_ == &::google::protobuf::internal::kEmptyString) {
     extendee_ = new ::std::string;
   }
   extendee_->assign(value);
 }
 inline void FieldDescriptorProto::set_extendee(const char* value) {
-  _set_bit(5);
-  if (extendee_ == &_default_extendee_) {
+  set_has_extendee();
+  if (extendee_ == &::google::protobuf::internal::kEmptyString) {
     extendee_ = new ::std::string;
   }
   extendee_->assign(value);
 }
 inline void FieldDescriptorProto::set_extendee(const char* value, size_t size) {
-  _set_bit(5);
-  if (extendee_ == &_default_extendee_) {
+  set_has_extendee();
+  if (extendee_ == &::google::protobuf::internal::kEmptyString) {
     extendee_ = new ::std::string;
   }
   extendee_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* FieldDescriptorProto::mutable_extendee() {
-  _set_bit(5);
-  if (extendee_ == &_default_extendee_) {
+  set_has_extendee();
+  if (extendee_ == &::google::protobuf::internal::kEmptyString) {
     extendee_ = new ::std::string;
   }
   return extendee_;
 }
+inline ::std::string* FieldDescriptorProto::release_extendee() {
+  clear_has_extendee();
+  if (extendee_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = extendee_;
+    extendee_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void FieldDescriptorProto::set_allocated_extendee(::std::string* extendee) {
+  if (extendee_ != &::google::protobuf::internal::kEmptyString) {
+    delete extendee_;
+  }
+  if (extendee) {
+    set_has_extendee();
+    extendee_ = extendee;
+  } else {
+    clear_has_extendee();
+    extendee_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
 
 // optional string default_value = 7;
 inline bool FieldDescriptorProto::has_default_value() const {
-  return _has_bit(6);
+  return (_has_bits_[0] & 0x00000040u) != 0;
+}
+inline void FieldDescriptorProto::set_has_default_value() {
+  _has_bits_[0] |= 0x00000040u;
+}
+inline void FieldDescriptorProto::clear_has_default_value() {
+  _has_bits_[0] &= ~0x00000040u;
 }
 inline void FieldDescriptorProto::clear_default_value() {
-  if (default_value_ != &_default_default_value_) {
+  if (default_value_ != &::google::protobuf::internal::kEmptyString) {
     default_value_->clear();
   }
-  _clear_bit(6);
+  clear_has_default_value();
 }
 inline const ::std::string& FieldDescriptorProto::default_value() const {
   return *default_value_;
 }
 inline void FieldDescriptorProto::set_default_value(const ::std::string& value) {
-  _set_bit(6);
-  if (default_value_ == &_default_default_value_) {
+  set_has_default_value();
+  if (default_value_ == &::google::protobuf::internal::kEmptyString) {
     default_value_ = new ::std::string;
   }
   default_value_->assign(value);
 }
 inline void FieldDescriptorProto::set_default_value(const char* value) {
-  _set_bit(6);
-  if (default_value_ == &_default_default_value_) {
+  set_has_default_value();
+  if (default_value_ == &::google::protobuf::internal::kEmptyString) {
     default_value_ = new ::std::string;
   }
   default_value_->assign(value);
 }
 inline void FieldDescriptorProto::set_default_value(const char* value, size_t size) {
-  _set_bit(6);
-  if (default_value_ == &_default_default_value_) {
+  set_has_default_value();
+  if (default_value_ == &::google::protobuf::internal::kEmptyString) {
     default_value_ = new ::std::string;
   }
   default_value_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* FieldDescriptorProto::mutable_default_value() {
-  _set_bit(6);
-  if (default_value_ == &_default_default_value_) {
+  set_has_default_value();
+  if (default_value_ == &::google::protobuf::internal::kEmptyString) {
     default_value_ = new ::std::string;
   }
   return default_value_;
 }
+inline ::std::string* FieldDescriptorProto::release_default_value() {
+  clear_has_default_value();
+  if (default_value_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = default_value_;
+    default_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void FieldDescriptorProto::set_allocated_default_value(::std::string* default_value) {
+  if (default_value_ != &::google::protobuf::internal::kEmptyString) {
+    delete default_value_;
+  }
+  if (default_value) {
+    set_has_default_value();
+    default_value_ = default_value;
+  } else {
+    clear_has_default_value();
+    default_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
 
 // optional .google.protobuf.FieldOptions options = 8;
 inline bool FieldDescriptorProto::has_options() const {
-  return _has_bit(7);
+  return (_has_bits_[0] & 0x00000080u) != 0;
+}
+inline void FieldDescriptorProto::set_has_options() {
+  _has_bits_[0] |= 0x00000080u;
+}
+inline void FieldDescriptorProto::clear_has_options() {
+  _has_bits_[0] &= ~0x00000080u;
 }
 inline void FieldDescriptorProto::clear_options() {
   if (options_ != NULL) options_->::google::protobuf::FieldOptions::Clear();
-  _clear_bit(7);
+  clear_has_options();
 }
 inline const ::google::protobuf::FieldOptions& FieldDescriptorProto::options() const {
   return options_ != NULL ? *options_ : *default_instance_->options_;
 }
 inline ::google::protobuf::FieldOptions* FieldDescriptorProto::mutable_options() {
-  _set_bit(7);
+  set_has_options();
   if (options_ == NULL) options_ = new ::google::protobuf::FieldOptions;
   return options_;
 }
+inline ::google::protobuf::FieldOptions* FieldDescriptorProto::release_options() {
+  clear_has_options();
+  ::google::protobuf::FieldOptions* temp = options_;
+  options_ = NULL;
+  return temp;
+}
+inline void FieldDescriptorProto::set_allocated_options(::google::protobuf::FieldOptions* options) {
+  delete options_;
+  options_ = options;
+  if (options) {
+    set_has_options();
+  } else {
+    clear_has_options();
+  }
+}
 
 // -------------------------------------------------------------------
 
@@ -3209,45 +3885,73 @@ inline ::google::protobuf::FieldOptions* FieldDescriptorProto::mutable_options()
 
 // optional string name = 1;
 inline bool EnumDescriptorProto::has_name() const {
-  return _has_bit(0);
+  return (_has_bits_[0] & 0x00000001u) != 0;
+}
+inline void EnumDescriptorProto::set_has_name() {
+  _has_bits_[0] |= 0x00000001u;
+}
+inline void EnumDescriptorProto::clear_has_name() {
+  _has_bits_[0] &= ~0x00000001u;
 }
 inline void EnumDescriptorProto::clear_name() {
-  if (name_ != &_default_name_) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
     name_->clear();
   }
-  _clear_bit(0);
+  clear_has_name();
 }
 inline const ::std::string& EnumDescriptorProto::name() const {
   return *name_;
 }
 inline void EnumDescriptorProto::set_name(const ::std::string& value) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(value);
 }
 inline void EnumDescriptorProto::set_name(const char* value) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(value);
 }
 inline void EnumDescriptorProto::set_name(const char* value, size_t size) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* EnumDescriptorProto::mutable_name() {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   return name_;
 }
+inline ::std::string* EnumDescriptorProto::release_name() {
+  clear_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = name_;
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void EnumDescriptorProto::set_allocated_name(::std::string* name) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
+    delete name_;
+  }
+  if (name) {
+    set_has_name();
+    name_ = name;
+  } else {
+    clear_has_name();
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
 
 // repeated .google.protobuf.EnumValueDescriptorProto value = 2;
 inline int EnumDescriptorProto::value_size() const {
@@ -3276,20 +3980,41 @@ EnumDescriptorProto::mutable_value() {
 
 // optional .google.protobuf.EnumOptions options = 3;
 inline bool EnumDescriptorProto::has_options() const {
-  return _has_bit(2);
+  return (_has_bits_[0] & 0x00000004u) != 0;
+}
+inline void EnumDescriptorProto::set_has_options() {
+  _has_bits_[0] |= 0x00000004u;
+}
+inline void EnumDescriptorProto::clear_has_options() {
+  _has_bits_[0] &= ~0x00000004u;
 }
 inline void EnumDescriptorProto::clear_options() {
   if (options_ != NULL) options_->::google::protobuf::EnumOptions::Clear();
-  _clear_bit(2);
+  clear_has_options();
 }
 inline const ::google::protobuf::EnumOptions& EnumDescriptorProto::options() const {
   return options_ != NULL ? *options_ : *default_instance_->options_;
 }
 inline ::google::protobuf::EnumOptions* EnumDescriptorProto::mutable_options() {
-  _set_bit(2);
+  set_has_options();
   if (options_ == NULL) options_ = new ::google::protobuf::EnumOptions;
   return options_;
 }
+inline ::google::protobuf::EnumOptions* EnumDescriptorProto::release_options() {
+  clear_has_options();
+  ::google::protobuf::EnumOptions* temp = options_;
+  options_ = NULL;
+  return temp;
+}
+inline void EnumDescriptorProto::set_allocated_options(::google::protobuf::EnumOptions* options) {
+  delete options_;
+  options_ = options;
+  if (options) {
+    set_has_options();
+  } else {
+    clear_has_options();
+  }
+}
 
 // -------------------------------------------------------------------
 
@@ -3297,78 +4022,133 @@ inline ::google::protobuf::EnumOptions* EnumDescriptorProto::mutable_options() {
 
 // optional string name = 1;
 inline bool EnumValueDescriptorProto::has_name() const {
-  return _has_bit(0);
+  return (_has_bits_[0] & 0x00000001u) != 0;
+}
+inline void EnumValueDescriptorProto::set_has_name() {
+  _has_bits_[0] |= 0x00000001u;
+}
+inline void EnumValueDescriptorProto::clear_has_name() {
+  _has_bits_[0] &= ~0x00000001u;
 }
 inline void EnumValueDescriptorProto::clear_name() {
-  if (name_ != &_default_name_) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
     name_->clear();
   }
-  _clear_bit(0);
+  clear_has_name();
 }
 inline const ::std::string& EnumValueDescriptorProto::name() const {
   return *name_;
 }
 inline void EnumValueDescriptorProto::set_name(const ::std::string& value) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(value);
 }
 inline void EnumValueDescriptorProto::set_name(const char* value) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(value);
 }
 inline void EnumValueDescriptorProto::set_name(const char* value, size_t size) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* EnumValueDescriptorProto::mutable_name() {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   return name_;
 }
+inline ::std::string* EnumValueDescriptorProto::release_name() {
+  clear_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = name_;
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void EnumValueDescriptorProto::set_allocated_name(::std::string* name) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
+    delete name_;
+  }
+  if (name) {
+    set_has_name();
+    name_ = name;
+  } else {
+    clear_has_name();
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
 
 // optional int32 number = 2;
 inline bool EnumValueDescriptorProto::has_number() const {
-  return _has_bit(1);
+  return (_has_bits_[0] & 0x00000002u) != 0;
+}
+inline void EnumValueDescriptorProto::set_has_number() {
+  _has_bits_[0] |= 0x00000002u;
+}
+inline void EnumValueDescriptorProto::clear_has_number() {
+  _has_bits_[0] &= ~0x00000002u;
 }
 inline void EnumValueDescriptorProto::clear_number() {
   number_ = 0;
-  _clear_bit(1);
+  clear_has_number();
 }
 inline ::google::protobuf::int32 EnumValueDescriptorProto::number() const {
   return number_;
 }
 inline void EnumValueDescriptorProto::set_number(::google::protobuf::int32 value) {
-  _set_bit(1);
+  set_has_number();
   number_ = value;
 }
 
 // optional .google.protobuf.EnumValueOptions options = 3;
 inline bool EnumValueDescriptorProto::has_options() const {
-  return _has_bit(2);
+  return (_has_bits_[0] & 0x00000004u) != 0;
+}
+inline void EnumValueDescriptorProto::set_has_options() {
+  _has_bits_[0] |= 0x00000004u;
+}
+inline void EnumValueDescriptorProto::clear_has_options() {
+  _has_bits_[0] &= ~0x00000004u;
 }
 inline void EnumValueDescriptorProto::clear_options() {
   if (options_ != NULL) options_->::google::protobuf::EnumValueOptions::Clear();
-  _clear_bit(2);
+  clear_has_options();
 }
 inline const ::google::protobuf::EnumValueOptions& EnumValueDescriptorProto::options() const {
   return options_ != NULL ? *options_ : *default_instance_->options_;
 }
 inline ::google::protobuf::EnumValueOptions* EnumValueDescriptorProto::mutable_options() {
-  _set_bit(2);
+  set_has_options();
   if (options_ == NULL) options_ = new ::google::protobuf::EnumValueOptions;
   return options_;
 }
+inline ::google::protobuf::EnumValueOptions* EnumValueDescriptorProto::release_options() {
+  clear_has_options();
+  ::google::protobuf::EnumValueOptions* temp = options_;
+  options_ = NULL;
+  return temp;
+}
+inline void EnumValueDescriptorProto::set_allocated_options(::google::protobuf::EnumValueOptions* options) {
+  delete options_;
+  options_ = options;
+  if (options) {
+    set_has_options();
+  } else {
+    clear_has_options();
+  }
+}
 
 // -------------------------------------------------------------------
 
@@ -3376,45 +4156,73 @@ inline ::google::protobuf::EnumValueOptions* EnumValueDescriptorProto::mutable_o
 
 // optional string name = 1;
 inline bool ServiceDescriptorProto::has_name() const {
-  return _has_bit(0);
+  return (_has_bits_[0] & 0x00000001u) != 0;
+}
+inline void ServiceDescriptorProto::set_has_name() {
+  _has_bits_[0] |= 0x00000001u;
+}
+inline void ServiceDescriptorProto::clear_has_name() {
+  _has_bits_[0] &= ~0x00000001u;
 }
 inline void ServiceDescriptorProto::clear_name() {
-  if (name_ != &_default_name_) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
     name_->clear();
   }
-  _clear_bit(0);
+  clear_has_name();
 }
 inline const ::std::string& ServiceDescriptorProto::name() const {
   return *name_;
 }
 inline void ServiceDescriptorProto::set_name(const ::std::string& value) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(value);
 }
 inline void ServiceDescriptorProto::set_name(const char* value) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(value);
 }
 inline void ServiceDescriptorProto::set_name(const char* value, size_t size) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* ServiceDescriptorProto::mutable_name() {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   return name_;
 }
+inline ::std::string* ServiceDescriptorProto::release_name() {
+  clear_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = name_;
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void ServiceDescriptorProto::set_allocated_name(::std::string* name) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
+    delete name_;
+  }
+  if (name) {
+    set_has_name();
+    name_ = name;
+  } else {
+    clear_has_name();
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
 
 // repeated .google.protobuf.MethodDescriptorProto method = 2;
 inline int ServiceDescriptorProto::method_size() const {
@@ -3443,20 +4251,41 @@ ServiceDescriptorProto::mutable_method() {
 
 // optional .google.protobuf.ServiceOptions options = 3;
 inline bool ServiceDescriptorProto::has_options() const {
-  return _has_bit(2);
+  return (_has_bits_[0] & 0x00000004u) != 0;
+}
+inline void ServiceDescriptorProto::set_has_options() {
+  _has_bits_[0] |= 0x00000004u;
+}
+inline void ServiceDescriptorProto::clear_has_options() {
+  _has_bits_[0] &= ~0x00000004u;
 }
 inline void ServiceDescriptorProto::clear_options() {
   if (options_ != NULL) options_->::google::protobuf::ServiceOptions::Clear();
-  _clear_bit(2);
+  clear_has_options();
 }
 inline const ::google::protobuf::ServiceOptions& ServiceDescriptorProto::options() const {
   return options_ != NULL ? *options_ : *default_instance_->options_;
 }
 inline ::google::protobuf::ServiceOptions* ServiceDescriptorProto::mutable_options() {
-  _set_bit(2);
+  set_has_options();
   if (options_ == NULL) options_ = new ::google::protobuf::ServiceOptions;
   return options_;
 }
+inline ::google::protobuf::ServiceOptions* ServiceDescriptorProto::release_options() {
+  clear_has_options();
+  ::google::protobuf::ServiceOptions* temp = options_;
+  options_ = NULL;
+  return temp;
+}
+inline void ServiceDescriptorProto::set_allocated_options(::google::protobuf::ServiceOptions* options) {
+  delete options_;
+  options_ = options;
+  if (options) {
+    set_has_options();
+  } else {
+    clear_has_options();
+  }
+}
 
 // -------------------------------------------------------------------
 
@@ -3464,146 +4293,251 @@ inline ::google::protobuf::ServiceOptions* ServiceDescriptorProto::mutable_optio
 
 // optional string name = 1;
 inline bool MethodDescriptorProto::has_name() const {
-  return _has_bit(0);
+  return (_has_bits_[0] & 0x00000001u) != 0;
+}
+inline void MethodDescriptorProto::set_has_name() {
+  _has_bits_[0] |= 0x00000001u;
+}
+inline void MethodDescriptorProto::clear_has_name() {
+  _has_bits_[0] &= ~0x00000001u;
 }
 inline void MethodDescriptorProto::clear_name() {
-  if (name_ != &_default_name_) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
     name_->clear();
   }
-  _clear_bit(0);
+  clear_has_name();
 }
 inline const ::std::string& MethodDescriptorProto::name() const {
   return *name_;
 }
 inline void MethodDescriptorProto::set_name(const ::std::string& value) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(value);
 }
 inline void MethodDescriptorProto::set_name(const char* value) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(value);
 }
 inline void MethodDescriptorProto::set_name(const char* value, size_t size) {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   name_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* MethodDescriptorProto::mutable_name() {
-  _set_bit(0);
-  if (name_ == &_default_name_) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
     name_ = new ::std::string;
   }
   return name_;
 }
+inline ::std::string* MethodDescriptorProto::release_name() {
+  clear_has_name();
+  if (name_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = name_;
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void MethodDescriptorProto::set_allocated_name(::std::string* name) {
+  if (name_ != &::google::protobuf::internal::kEmptyString) {
+    delete name_;
+  }
+  if (name) {
+    set_has_name();
+    name_ = name;
+  } else {
+    clear_has_name();
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
 
 // optional string input_type = 2;
 inline bool MethodDescriptorProto::has_input_type() const {
-  return _has_bit(1);
+  return (_has_bits_[0] & 0x00000002u) != 0;
+}
+inline void MethodDescriptorProto::set_has_input_type() {
+  _has_bits_[0] |= 0x00000002u;
+}
+inline void MethodDescriptorProto::clear_has_input_type() {
+  _has_bits_[0] &= ~0x00000002u;
 }
 inline void MethodDescriptorProto::clear_input_type() {
-  if (input_type_ != &_default_input_type_) {
+  if (input_type_ != &::google::protobuf::internal::kEmptyString) {
     input_type_->clear();
   }
-  _clear_bit(1);
+  clear_has_input_type();
 }
 inline const ::std::string& MethodDescriptorProto::input_type() const {
   return *input_type_;
 }
 inline void MethodDescriptorProto::set_input_type(const ::std::string& value) {
-  _set_bit(1);
-  if (input_type_ == &_default_input_type_) {
+  set_has_input_type();
+  if (input_type_ == &::google::protobuf::internal::kEmptyString) {
     input_type_ = new ::std::string;
   }
   input_type_->assign(value);
 }
 inline void MethodDescriptorProto::set_input_type(const char* value) {
-  _set_bit(1);
-  if (input_type_ == &_default_input_type_) {
+  set_has_input_type();
+  if (input_type_ == &::google::protobuf::internal::kEmptyString) {
     input_type_ = new ::std::string;
   }
   input_type_->assign(value);
 }
 inline void MethodDescriptorProto::set_input_type(const char* value, size_t size) {
-  _set_bit(1);
-  if (input_type_ == &_default_input_type_) {
+  set_has_input_type();
+  if (input_type_ == &::google::protobuf::internal::kEmptyString) {
     input_type_ = new ::std::string;
   }
   input_type_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* MethodDescriptorProto::mutable_input_type() {
-  _set_bit(1);
-  if (input_type_ == &_default_input_type_) {
+  set_has_input_type();
+  if (input_type_ == &::google::protobuf::internal::kEmptyString) {
     input_type_ = new ::std::string;
   }
   return input_type_;
 }
+inline ::std::string* MethodDescriptorProto::release_input_type() {
+  clear_has_input_type();
+  if (input_type_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = input_type_;
+    input_type_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void MethodDescriptorProto::set_allocated_input_type(::std::string* input_type) {
+  if (input_type_ != &::google::protobuf::internal::kEmptyString) {
+    delete input_type_;
+  }
+  if (input_type) {
+    set_has_input_type();
+    input_type_ = input_type;
+  } else {
+    clear_has_input_type();
+    input_type_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
 
 // optional string output_type = 3;
 inline bool MethodDescriptorProto::has_output_type() const {
-  return _has_bit(2);
+  return (_has_bits_[0] & 0x00000004u) != 0;
+}
+inline void MethodDescriptorProto::set_has_output_type() {
+  _has_bits_[0] |= 0x00000004u;
+}
+inline void MethodDescriptorProto::clear_has_output_type() {
+  _has_bits_[0] &= ~0x00000004u;
 }
 inline void MethodDescriptorProto::clear_output_type() {
-  if (output_type_ != &_default_output_type_) {
+  if (output_type_ != &::google::protobuf::internal::kEmptyString) {
     output_type_->clear();
   }
-  _clear_bit(2);
+  clear_has_output_type();
 }
 inline const ::std::string& MethodDescriptorProto::output_type() const {
   return *output_type_;
 }
 inline void MethodDescriptorProto::set_output_type(const ::std::string& value) {
-  _set_bit(2);
-  if (output_type_ == &_default_output_type_) {
+  set_has_output_type();
+  if (output_type_ == &::google::protobuf::internal::kEmptyString) {
     output_type_ = new ::std::string;
   }
   output_type_->assign(value);
 }
 inline void MethodDescriptorProto::set_output_type(const char* value) {
-  _set_bit(2);
-  if (output_type_ == &_default_output_type_) {
+  set_has_output_type();
+  if (output_type_ == &::google::protobuf::internal::kEmptyString) {
     output_type_ = new ::std::string;
   }
   output_type_->assign(value);
 }
 inline void MethodDescriptorProto::set_output_type(const char* value, size_t size) {
-  _set_bit(2);
-  if (output_type_ == &_default_output_type_) {
+  set_has_output_type();
+  if (output_type_ == &::google::protobuf::internal::kEmptyString) {
     output_type_ = new ::std::string;
   }
   output_type_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* MethodDescriptorProto::mutable_output_type() {
-  _set_bit(2);
-  if (output_type_ == &_default_output_type_) {
+  set_has_output_type();
+  if (output_type_ == &::google::protobuf::internal::kEmptyString) {
     output_type_ = new ::std::string;
   }
   return output_type_;
 }
+inline ::std::string* MethodDescriptorProto::release_output_type() {
+  clear_has_output_type();
+  if (output_type_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = output_type_;
+    output_type_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void MethodDescriptorProto::set_allocated_output_type(::std::string* output_type) {
+  if (output_type_ != &::google::protobuf::internal::kEmptyString) {
+    delete output_type_;
+  }
+  if (output_type) {
+    set_has_output_type();
+    output_type_ = output_type;
+  } else {
+    clear_has_output_type();
+    output_type_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
 
 // optional .google.protobuf.MethodOptions options = 4;
 inline bool MethodDescriptorProto::has_options() const {
-  return _has_bit(3);
+  return (_has_bits_[0] & 0x00000008u) != 0;
+}
+inline void MethodDescriptorProto::set_has_options() {
+  _has_bits_[0] |= 0x00000008u;
+}
+inline void MethodDescriptorProto::clear_has_options() {
+  _has_bits_[0] &= ~0x00000008u;
 }
 inline void MethodDescriptorProto::clear_options() {
   if (options_ != NULL) options_->::google::protobuf::MethodOptions::Clear();
-  _clear_bit(3);
+  clear_has_options();
 }
 inline const ::google::protobuf::MethodOptions& MethodDescriptorProto::options() const {
   return options_ != NULL ? *options_ : *default_instance_->options_;
 }
 inline ::google::protobuf::MethodOptions* MethodDescriptorProto::mutable_options() {
-  _set_bit(3);
+  set_has_options();
   if (options_ == NULL) options_ = new ::google::protobuf::MethodOptions;
   return options_;
 }
+inline ::google::protobuf::MethodOptions* MethodDescriptorProto::release_options() {
+  clear_has_options();
+  ::google::protobuf::MethodOptions* temp = options_;
+  options_ = NULL;
+  return temp;
+}
+inline void MethodDescriptorProto::set_allocated_options(::google::protobuf::MethodOptions* options) {
+  delete options_;
+  options_ = options;
+  if (options) {
+    set_has_options();
+  } else {
+    clear_has_options();
+  }
+}
 
 // -------------------------------------------------------------------
 
@@ -3611,166 +4545,344 @@ inline ::google::protobuf::MethodOptions* MethodDescriptorProto::mutable_options
 
 // optional string java_package = 1;
 inline bool FileOptions::has_java_package() const {
-  return _has_bit(0);
+  return (_has_bits_[0] & 0x00000001u) != 0;
+}
+inline void FileOptions::set_has_java_package() {
+  _has_bits_[0] |= 0x00000001u;
+}
+inline void FileOptions::clear_has_java_package() {
+  _has_bits_[0] &= ~0x00000001u;
 }
 inline void FileOptions::clear_java_package() {
-  if (java_package_ != &_default_java_package_) {
+  if (java_package_ != &::google::protobuf::internal::kEmptyString) {
     java_package_->clear();
   }
-  _clear_bit(0);
+  clear_has_java_package();
 }
 inline const ::std::string& FileOptions::java_package() const {
   return *java_package_;
 }
 inline void FileOptions::set_java_package(const ::std::string& value) {
-  _set_bit(0);
-  if (java_package_ == &_default_java_package_) {
+  set_has_java_package();
+  if (java_package_ == &::google::protobuf::internal::kEmptyString) {
     java_package_ = new ::std::string;
   }
   java_package_->assign(value);
 }
 inline void FileOptions::set_java_package(const char* value) {
-  _set_bit(0);
-  if (java_package_ == &_default_java_package_) {
+  set_has_java_package();
+  if (java_package_ == &::google::protobuf::internal::kEmptyString) {
     java_package_ = new ::std::string;
   }
   java_package_->assign(value);
 }
 inline void FileOptions::set_java_package(const char* value, size_t size) {
-  _set_bit(0);
-  if (java_package_ == &_default_java_package_) {
+  set_has_java_package();
+  if (java_package_ == &::google::protobuf::internal::kEmptyString) {
     java_package_ = new ::std::string;
   }
   java_package_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* FileOptions::mutable_java_package() {
-  _set_bit(0);
-  if (java_package_ == &_default_java_package_) {
+  set_has_java_package();
+  if (java_package_ == &::google::protobuf::internal::kEmptyString) {
     java_package_ = new ::std::string;
   }
   return java_package_;
 }
+inline ::std::string* FileOptions::release_java_package() {
+  clear_has_java_package();
+  if (java_package_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = java_package_;
+    java_package_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void FileOptions::set_allocated_java_package(::std::string* java_package) {
+  if (java_package_ != &::google::protobuf::internal::kEmptyString) {
+    delete java_package_;
+  }
+  if (java_package) {
+    set_has_java_package();
+    java_package_ = java_package;
+  } else {
+    clear_has_java_package();
+    java_package_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
 
 // optional string java_outer_classname = 8;
 inline bool FileOptions::has_java_outer_classname() const {
-  return _has_bit(1);
+  return (_has_bits_[0] & 0x00000002u) != 0;
+}
+inline void FileOptions::set_has_java_outer_classname() {
+  _has_bits_[0] |= 0x00000002u;
+}
+inline void FileOptions::clear_has_java_outer_classname() {
+  _has_bits_[0] &= ~0x00000002u;
 }
 inline void FileOptions::clear_java_outer_classname() {
-  if (java_outer_classname_ != &_default_java_outer_classname_) {
+  if (java_outer_classname_ != &::google::protobuf::internal::kEmptyString) {
     java_outer_classname_->clear();
   }
-  _clear_bit(1);
+  clear_has_java_outer_classname();
 }
 inline const ::std::string& FileOptions::java_outer_classname() const {
   return *java_outer_classname_;
 }
 inline void FileOptions::set_java_outer_classname(const ::std::string& value) {
-  _set_bit(1);
-  if (java_outer_classname_ == &_default_java_outer_classname_) {
+  set_has_java_outer_classname();
+  if (java_outer_classname_ == &::google::protobuf::internal::kEmptyString) {
     java_outer_classname_ = new ::std::string;
   }
   java_outer_classname_->assign(value);
 }
 inline void FileOptions::set_java_outer_classname(const char* value) {
-  _set_bit(1);
-  if (java_outer_classname_ == &_default_java_outer_classname_) {
+  set_has_java_outer_classname();
+  if (java_outer_classname_ == &::google::protobuf::internal::kEmptyString) {
     java_outer_classname_ = new ::std::string;
   }
   java_outer_classname_->assign(value);
 }
 inline void FileOptions::set_java_outer_classname(const char* value, size_t size) {
-  _set_bit(1);
-  if (java_outer_classname_ == &_default_java_outer_classname_) {
+  set_has_java_outer_classname();
+  if (java_outer_classname_ == &::google::protobuf::internal::kEmptyString) {
     java_outer_classname_ = new ::std::string;
   }
   java_outer_classname_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* FileOptions::mutable_java_outer_classname() {
-  _set_bit(1);
-  if (java_outer_classname_ == &_default_java_outer_classname_) {
+  set_has_java_outer_classname();
+  if (java_outer_classname_ == &::google::protobuf::internal::kEmptyString) {
     java_outer_classname_ = new ::std::string;
   }
   return java_outer_classname_;
 }
+inline ::std::string* FileOptions::release_java_outer_classname() {
+  clear_has_java_outer_classname();
+  if (java_outer_classname_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = java_outer_classname_;
+    java_outer_classname_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void FileOptions::set_allocated_java_outer_classname(::std::string* java_outer_classname) {
+  if (java_outer_classname_ != &::google::protobuf::internal::kEmptyString) {
+    delete java_outer_classname_;
+  }
+  if (java_outer_classname) {
+    set_has_java_outer_classname();
+    java_outer_classname_ = java_outer_classname;
+  } else {
+    clear_has_java_outer_classname();
+    java_outer_classname_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
 
 // optional bool java_multiple_files = 10 [default = false];
 inline bool FileOptions::has_java_multiple_files() const {
-  return _has_bit(2);
+  return (_has_bits_[0] & 0x00000004u) != 0;
+}
+inline void FileOptions::set_has_java_multiple_files() {
+  _has_bits_[0] |= 0x00000004u;
+}
+inline void FileOptions::clear_has_java_multiple_files() {
+  _has_bits_[0] &= ~0x00000004u;
 }
 inline void FileOptions::clear_java_multiple_files() {
   java_multiple_files_ = false;
-  _clear_bit(2);
+  clear_has_java_multiple_files();
 }
 inline bool FileOptions::java_multiple_files() const {
   return java_multiple_files_;
 }
 inline void FileOptions::set_java_multiple_files(bool value) {
-  _set_bit(2);
+  set_has_java_multiple_files();
   java_multiple_files_ = value;
 }
 
+// optional bool java_generate_equals_and_hash = 20 [default = false];
+inline bool FileOptions::has_java_generate_equals_and_hash() const {
+  return (_has_bits_[0] & 0x00000008u) != 0;
+}
+inline void FileOptions::set_has_java_generate_equals_and_hash() {
+  _has_bits_[0] |= 0x00000008u;
+}
+inline void FileOptions::clear_has_java_generate_equals_and_hash() {
+  _has_bits_[0] &= ~0x00000008u;
+}
+inline void FileOptions::clear_java_generate_equals_and_hash() {
+  java_generate_equals_and_hash_ = false;
+  clear_has_java_generate_equals_and_hash();
+}
+inline bool FileOptions::java_generate_equals_and_hash() const {
+  return java_generate_equals_and_hash_;
+}
+inline void FileOptions::set_java_generate_equals_and_hash(bool value) {
+  set_has_java_generate_equals_and_hash();
+  java_generate_equals_and_hash_ = value;
+}
+
 // optional .google.protobuf.FileOptions.OptimizeMode optimize_for = 9 [default = SPEED];
 inline bool FileOptions::has_optimize_for() const {
-  return _has_bit(3);
+  return (_has_bits_[0] & 0x00000010u) != 0;
+}
+inline void FileOptions::set_has_optimize_for() {
+  _has_bits_[0] |= 0x00000010u;
+}
+inline void FileOptions::clear_has_optimize_for() {
+  _has_bits_[0] &= ~0x00000010u;
 }
 inline void FileOptions::clear_optimize_for() {
   optimize_for_ = 1;
-  _clear_bit(3);
+  clear_has_optimize_for();
 }
 inline ::google::protobuf::FileOptions_OptimizeMode FileOptions::optimize_for() const {
   return static_cast< ::google::protobuf::FileOptions_OptimizeMode >(optimize_for_);
 }
 inline void FileOptions::set_optimize_for(::google::protobuf::FileOptions_OptimizeMode value) {
-  GOOGLE_DCHECK(::google::protobuf::FileOptions_OptimizeMode_IsValid(value));
-  _set_bit(3);
+  assert(::google::protobuf::FileOptions_OptimizeMode_IsValid(value));
+  set_has_optimize_for();
   optimize_for_ = value;
 }
 
-// optional bool cc_generic_services = 16 [default = true];
+// optional string go_package = 11;
+inline bool FileOptions::has_go_package() const {
+  return (_has_bits_[0] & 0x00000020u) != 0;
+}
+inline void FileOptions::set_has_go_package() {
+  _has_bits_[0] |= 0x00000020u;
+}
+inline void FileOptions::clear_has_go_package() {
+  _has_bits_[0] &= ~0x00000020u;
+}
+inline void FileOptions::clear_go_package() {
+  if (go_package_ != &::google::protobuf::internal::kEmptyString) {
+    go_package_->clear();
+  }
+  clear_has_go_package();
+}
+inline const ::std::string& FileOptions::go_package() const {
+  return *go_package_;
+}
+inline void FileOptions::set_go_package(const ::std::string& value) {
+  set_has_go_package();
+  if (go_package_ == &::google::protobuf::internal::kEmptyString) {
+    go_package_ = new ::std::string;
+  }
+  go_package_->assign(value);
+}
+inline void FileOptions::set_go_package(const char* value) {
+  set_has_go_package();
+  if (go_package_ == &::google::protobuf::internal::kEmptyString) {
+    go_package_ = new ::std::string;
+  }
+  go_package_->assign(value);
+}
+inline void FileOptions::set_go_package(const char* value, size_t size) {
+  set_has_go_package();
+  if (go_package_ == &::google::protobuf::internal::kEmptyString) {
+    go_package_ = new ::std::string;
+  }
+  go_package_->assign(reinterpret_cast<const char*>(value), size);
+}
+inline ::std::string* FileOptions::mutable_go_package() {
+  set_has_go_package();
+  if (go_package_ == &::google::protobuf::internal::kEmptyString) {
+    go_package_ = new ::std::string;
+  }
+  return go_package_;
+}
+inline ::std::string* FileOptions::release_go_package() {
+  clear_has_go_package();
+  if (go_package_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = go_package_;
+    go_package_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void FileOptions::set_allocated_go_package(::std::string* go_package) {
+  if (go_package_ != &::google::protobuf::internal::kEmptyString) {
+    delete go_package_;
+  }
+  if (go_package) {
+    set_has_go_package();
+    go_package_ = go_package;
+  } else {
+    clear_has_go_package();
+    go_package_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
+
+// optional bool cc_generic_services = 16 [default = false];
 inline bool FileOptions::has_cc_generic_services() const {
-  return _has_bit(4);
+  return (_has_bits_[0] & 0x00000040u) != 0;
+}
+inline void FileOptions::set_has_cc_generic_services() {
+  _has_bits_[0] |= 0x00000040u;
+}
+inline void FileOptions::clear_has_cc_generic_services() {
+  _has_bits_[0] &= ~0x00000040u;
 }
 inline void FileOptions::clear_cc_generic_services() {
-  cc_generic_services_ = true;
-  _clear_bit(4);
+  cc_generic_services_ = false;
+  clear_has_cc_generic_services();
 }
 inline bool FileOptions::cc_generic_services() const {
   return cc_generic_services_;
 }
 inline void FileOptions::set_cc_generic_services(bool value) {
-  _set_bit(4);
+  set_has_cc_generic_services();
   cc_generic_services_ = value;
 }
 
-// optional bool java_generic_services = 17 [default = true];
+// optional bool java_generic_services = 17 [default = false];
 inline bool FileOptions::has_java_generic_services() const {
-  return _has_bit(5);
+  return (_has_bits_[0] & 0x00000080u) != 0;
+}
+inline void FileOptions::set_has_java_generic_services() {
+  _has_bits_[0] |= 0x00000080u;
+}
+inline void FileOptions::clear_has_java_generic_services() {
+  _has_bits_[0] &= ~0x00000080u;
 }
 inline void FileOptions::clear_java_generic_services() {
-  java_generic_services_ = true;
-  _clear_bit(5);
+  java_generic_services_ = false;
+  clear_has_java_generic_services();
 }
 inline bool FileOptions::java_generic_services() const {
   return java_generic_services_;
 }
 inline void FileOptions::set_java_generic_services(bool value) {
-  _set_bit(5);
+  set_has_java_generic_services();
   java_generic_services_ = value;
 }
 
-// optional bool py_generic_services = 18 [default = true];
+// optional bool py_generic_services = 18 [default = false];
 inline bool FileOptions::has_py_generic_services() const {
-  return _has_bit(6);
+  return (_has_bits_[0] & 0x00000100u) != 0;
+}
+inline void FileOptions::set_has_py_generic_services() {
+  _has_bits_[0] |= 0x00000100u;
+}
+inline void FileOptions::clear_has_py_generic_services() {
+  _has_bits_[0] &= ~0x00000100u;
 }
 inline void FileOptions::clear_py_generic_services() {
-  py_generic_services_ = true;
-  _clear_bit(6);
+  py_generic_services_ = false;
+  clear_has_py_generic_services();
 }
 inline bool FileOptions::py_generic_services() const {
   return py_generic_services_;
 }
 inline void FileOptions::set_py_generic_services(bool value) {
-  _set_bit(6);
+  set_has_py_generic_services();
   py_generic_services_ = value;
 }
 
@@ -3805,33 +4917,45 @@ FileOptions::mutable_uninterpreted_option() {
 
 // optional bool message_set_wire_format = 1 [default = false];
 inline bool MessageOptions::has_message_set_wire_format() const {
-  return _has_bit(0);
+  return (_has_bits_[0] & 0x00000001u) != 0;
+}
+inline void MessageOptions::set_has_message_set_wire_format() {
+  _has_bits_[0] |= 0x00000001u;
+}
+inline void MessageOptions::clear_has_message_set_wire_format() {
+  _has_bits_[0] &= ~0x00000001u;
 }
 inline void MessageOptions::clear_message_set_wire_format() {
   message_set_wire_format_ = false;
-  _clear_bit(0);
+  clear_has_message_set_wire_format();
 }
 inline bool MessageOptions::message_set_wire_format() const {
   return message_set_wire_format_;
 }
 inline void MessageOptions::set_message_set_wire_format(bool value) {
-  _set_bit(0);
+  set_has_message_set_wire_format();
   message_set_wire_format_ = value;
 }
 
 // optional bool no_standard_descriptor_accessor = 2 [default = false];
 inline bool MessageOptions::has_no_standard_descriptor_accessor() const {
-  return _has_bit(1);
+  return (_has_bits_[0] & 0x00000002u) != 0;
+}
+inline void MessageOptions::set_has_no_standard_descriptor_accessor() {
+  _has_bits_[0] |= 0x00000002u;
+}
+inline void MessageOptions::clear_has_no_standard_descriptor_accessor() {
+  _has_bits_[0] &= ~0x00000002u;
 }
 inline void MessageOptions::clear_no_standard_descriptor_accessor() {
   no_standard_descriptor_accessor_ = false;
-  _clear_bit(1);
+  clear_has_no_standard_descriptor_accessor();
 }
 inline bool MessageOptions::no_standard_descriptor_accessor() const {
   return no_standard_descriptor_accessor_;
 }
 inline void MessageOptions::set_no_standard_descriptor_accessor(bool value) {
-  _set_bit(1);
+  set_has_no_standard_descriptor_accessor();
   no_standard_descriptor_accessor_ = value;
 }
 
@@ -3866,94 +4990,184 @@ MessageOptions::mutable_uninterpreted_option() {
 
 // optional .google.protobuf.FieldOptions.CType ctype = 1 [default = STRING];
 inline bool FieldOptions::has_ctype() const {
-  return _has_bit(0);
+  return (_has_bits_[0] & 0x00000001u) != 0;
+}
+inline void FieldOptions::set_has_ctype() {
+  _has_bits_[0] |= 0x00000001u;
+}
+inline void FieldOptions::clear_has_ctype() {
+  _has_bits_[0] &= ~0x00000001u;
 }
 inline void FieldOptions::clear_ctype() {
   ctype_ = 0;
-  _clear_bit(0);
+  clear_has_ctype();
 }
 inline ::google::protobuf::FieldOptions_CType FieldOptions::ctype() const {
   return static_cast< ::google::protobuf::FieldOptions_CType >(ctype_);
 }
 inline void FieldOptions::set_ctype(::google::protobuf::FieldOptions_CType value) {
-  GOOGLE_DCHECK(::google::protobuf::FieldOptions_CType_IsValid(value));
-  _set_bit(0);
+  assert(::google::protobuf::FieldOptions_CType_IsValid(value));
+  set_has_ctype();
   ctype_ = value;
 }
 
 // optional bool packed = 2;
 inline bool FieldOptions::has_packed() const {
-  return _has_bit(1);
+  return (_has_bits_[0] & 0x00000002u) != 0;
+}
+inline void FieldOptions::set_has_packed() {
+  _has_bits_[0] |= 0x00000002u;
+}
+inline void FieldOptions::clear_has_packed() {
+  _has_bits_[0] &= ~0x00000002u;
 }
 inline void FieldOptions::clear_packed() {
   packed_ = false;
-  _clear_bit(1);
+  clear_has_packed();
 }
 inline bool FieldOptions::packed() const {
   return packed_;
 }
 inline void FieldOptions::set_packed(bool value) {
-  _set_bit(1);
+  set_has_packed();
   packed_ = value;
 }
 
+// optional bool lazy = 5 [default = false];
+inline bool FieldOptions::has_lazy() const {
+  return (_has_bits_[0] & 0x00000004u) != 0;
+}
+inline void FieldOptions::set_has_lazy() {
+  _has_bits_[0] |= 0x00000004u;
+}
+inline void FieldOptions::clear_has_lazy() {
+  _has_bits_[0] &= ~0x00000004u;
+}
+inline void FieldOptions::clear_lazy() {
+  lazy_ = false;
+  clear_has_lazy();
+}
+inline bool FieldOptions::lazy() const {
+  return lazy_;
+}
+inline void FieldOptions::set_lazy(bool value) {
+  set_has_lazy();
+  lazy_ = value;
+}
+
 // optional bool deprecated = 3 [default = false];
 inline bool FieldOptions::has_deprecated() const {
-  return _has_bit(2);
+  return (_has_bits_[0] & 0x00000008u) != 0;
+}
+inline void FieldOptions::set_has_deprecated() {
+  _has_bits_[0] |= 0x00000008u;
+}
+inline void FieldOptions::clear_has_deprecated() {
+  _has_bits_[0] &= ~0x00000008u;
 }
 inline void FieldOptions::clear_deprecated() {
   deprecated_ = false;
-  _clear_bit(2);
+  clear_has_deprecated();
 }
 inline bool FieldOptions::deprecated() const {
   return deprecated_;
 }
 inline void FieldOptions::set_deprecated(bool value) {
-  _set_bit(2);
+  set_has_deprecated();
   deprecated_ = value;
 }
 
 // optional string experimental_map_key = 9;
 inline bool FieldOptions::has_experimental_map_key() const {
-  return _has_bit(3);
+  return (_has_bits_[0] & 0x00000010u) != 0;
+}
+inline void FieldOptions::set_has_experimental_map_key() {
+  _has_bits_[0] |= 0x00000010u;
+}
+inline void FieldOptions::clear_has_experimental_map_key() {
+  _has_bits_[0] &= ~0x00000010u;
 }
 inline void FieldOptions::clear_experimental_map_key() {
-  if (experimental_map_key_ != &_default_experimental_map_key_) {
+  if (experimental_map_key_ != &::google::protobuf::internal::kEmptyString) {
     experimental_map_key_->clear();
   }
-  _clear_bit(3);
+  clear_has_experimental_map_key();
 }
 inline const ::std::string& FieldOptions::experimental_map_key() const {
   return *experimental_map_key_;
 }
 inline void FieldOptions::set_experimental_map_key(const ::std::string& value) {
-  _set_bit(3);
-  if (experimental_map_key_ == &_default_experimental_map_key_) {
+  set_has_experimental_map_key();
+  if (experimental_map_key_ == &::google::protobuf::internal::kEmptyString) {
     experimental_map_key_ = new ::std::string;
   }
   experimental_map_key_->assign(value);
 }
 inline void FieldOptions::set_experimental_map_key(const char* value) {
-  _set_bit(3);
-  if (experimental_map_key_ == &_default_experimental_map_key_) {
+  set_has_experimental_map_key();
+  if (experimental_map_key_ == &::google::protobuf::internal::kEmptyString) {
     experimental_map_key_ = new ::std::string;
   }
   experimental_map_key_->assign(value);
 }
 inline void FieldOptions::set_experimental_map_key(const char* value, size_t size) {
-  _set_bit(3);
-  if (experimental_map_key_ == &_default_experimental_map_key_) {
+  set_has_experimental_map_key();
+  if (experimental_map_key_ == &::google::protobuf::internal::kEmptyString) {
     experimental_map_key_ = new ::std::string;
   }
   experimental_map_key_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* FieldOptions::mutable_experimental_map_key() {
-  _set_bit(3);
-  if (experimental_map_key_ == &_default_experimental_map_key_) {
+  set_has_experimental_map_key();
+  if (experimental_map_key_ == &::google::protobuf::internal::kEmptyString) {
     experimental_map_key_ = new ::std::string;
   }
   return experimental_map_key_;
 }
+inline ::std::string* FieldOptions::release_experimental_map_key() {
+  clear_has_experimental_map_key();
+  if (experimental_map_key_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = experimental_map_key_;
+    experimental_map_key_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void FieldOptions::set_allocated_experimental_map_key(::std::string* experimental_map_key) {
+  if (experimental_map_key_ != &::google::protobuf::internal::kEmptyString) {
+    delete experimental_map_key_;
+  }
+  if (experimental_map_key) {
+    set_has_experimental_map_key();
+    experimental_map_key_ = experimental_map_key;
+  } else {
+    clear_has_experimental_map_key();
+    experimental_map_key_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
+
+// optional bool weak = 10 [default = false];
+inline bool FieldOptions::has_weak() const {
+  return (_has_bits_[0] & 0x00000020u) != 0;
+}
+inline void FieldOptions::set_has_weak() {
+  _has_bits_[0] |= 0x00000020u;
+}
+inline void FieldOptions::clear_has_weak() {
+  _has_bits_[0] &= ~0x00000020u;
+}
+inline void FieldOptions::clear_weak() {
+  weak_ = false;
+  clear_has_weak();
+}
+inline bool FieldOptions::weak() const {
+  return weak_;
+}
+inline void FieldOptions::set_weak(bool value) {
+  set_has_weak();
+  weak_ = value;
+}
 
 // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
 inline int FieldOptions::uninterpreted_option_size() const {
@@ -3984,6 +5198,28 @@ FieldOptions::mutable_uninterpreted_option() {
 
 // EnumOptions
 
+// optional bool allow_alias = 2 [default = true];
+inline bool EnumOptions::has_allow_alias() const {
+  return (_has_bits_[0] & 0x00000001u) != 0;
+}
+inline void EnumOptions::set_has_allow_alias() {
+  _has_bits_[0] |= 0x00000001u;
+}
+inline void EnumOptions::clear_has_allow_alias() {
+  _has_bits_[0] &= ~0x00000001u;
+}
+inline void EnumOptions::clear_allow_alias() {
+  allow_alias_ = true;
+  clear_has_allow_alias();
+}
+inline bool EnumOptions::allow_alias() const {
+  return allow_alias_;
+}
+inline void EnumOptions::set_allow_alias(bool value) {
+  set_has_allow_alias();
+  allow_alias_ = value;
+}
+
 // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
 inline int EnumOptions::uninterpreted_option_size() const {
   return uninterpreted_option_.size();
@@ -4102,59 +5338,93 @@ MethodOptions::mutable_uninterpreted_option() {
 
 // required string name_part = 1;
 inline bool UninterpretedOption_NamePart::has_name_part() const {
-  return _has_bit(0);
+  return (_has_bits_[0] & 0x00000001u) != 0;
+}
+inline void UninterpretedOption_NamePart::set_has_name_part() {
+  _has_bits_[0] |= 0x00000001u;
+}
+inline void UninterpretedOption_NamePart::clear_has_name_part() {
+  _has_bits_[0] &= ~0x00000001u;
 }
 inline void UninterpretedOption_NamePart::clear_name_part() {
-  if (name_part_ != &_default_name_part_) {
+  if (name_part_ != &::google::protobuf::internal::kEmptyString) {
     name_part_->clear();
   }
-  _clear_bit(0);
+  clear_has_name_part();
 }
 inline const ::std::string& UninterpretedOption_NamePart::name_part() const {
   return *name_part_;
 }
 inline void UninterpretedOption_NamePart::set_name_part(const ::std::string& value) {
-  _set_bit(0);
-  if (name_part_ == &_default_name_part_) {
+  set_has_name_part();
+  if (name_part_ == &::google::protobuf::internal::kEmptyString) {
     name_part_ = new ::std::string;
   }
   name_part_->assign(value);
 }
 inline void UninterpretedOption_NamePart::set_name_part(const char* value) {
-  _set_bit(0);
-  if (name_part_ == &_default_name_part_) {
+  set_has_name_part();
+  if (name_part_ == &::google::protobuf::internal::kEmptyString) {
     name_part_ = new ::std::string;
   }
   name_part_->assign(value);
 }
 inline void UninterpretedOption_NamePart::set_name_part(const char* value, size_t size) {
-  _set_bit(0);
-  if (name_part_ == &_default_name_part_) {
+  set_has_name_part();
+  if (name_part_ == &::google::protobuf::internal::kEmptyString) {
     name_part_ = new ::std::string;
   }
   name_part_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* UninterpretedOption_NamePart::mutable_name_part() {
-  _set_bit(0);
-  if (name_part_ == &_default_name_part_) {
+  set_has_name_part();
+  if (name_part_ == &::google::protobuf::internal::kEmptyString) {
     name_part_ = new ::std::string;
   }
   return name_part_;
 }
+inline ::std::string* UninterpretedOption_NamePart::release_name_part() {
+  clear_has_name_part();
+  if (name_part_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = name_part_;
+    name_part_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void UninterpretedOption_NamePart::set_allocated_name_part(::std::string* name_part) {
+  if (name_part_ != &::google::protobuf::internal::kEmptyString) {
+    delete name_part_;
+  }
+  if (name_part) {
+    set_has_name_part();
+    name_part_ = name_part;
+  } else {
+    clear_has_name_part();
+    name_part_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
 
 // required bool is_extension = 2;
 inline bool UninterpretedOption_NamePart::has_is_extension() const {
-  return _has_bit(1);
+  return (_has_bits_[0] & 0x00000002u) != 0;
+}
+inline void UninterpretedOption_NamePart::set_has_is_extension() {
+  _has_bits_[0] |= 0x00000002u;
+}
+inline void UninterpretedOption_NamePart::clear_has_is_extension() {
+  _has_bits_[0] &= ~0x00000002u;
 }
 inline void UninterpretedOption_NamePart::clear_is_extension() {
   is_extension_ = false;
-  _clear_bit(1);
+  clear_has_is_extension();
 }
 inline bool UninterpretedOption_NamePart::is_extension() const {
   return is_extension_;
 }
 inline void UninterpretedOption_NamePart::set_is_extension(bool value) {
-  _set_bit(1);
+  set_has_is_extension();
   is_extension_ = value;
 }
 
@@ -4189,135 +5459,502 @@ UninterpretedOption::mutable_name() {
 
 // optional string identifier_value = 3;
 inline bool UninterpretedOption::has_identifier_value() const {
-  return _has_bit(1);
+  return (_has_bits_[0] & 0x00000002u) != 0;
+}
+inline void UninterpretedOption::set_has_identifier_value() {
+  _has_bits_[0] |= 0x00000002u;
+}
+inline void UninterpretedOption::clear_has_identifier_value() {
+  _has_bits_[0] &= ~0x00000002u;
 }
 inline void UninterpretedOption::clear_identifier_value() {
-  if (identifier_value_ != &_default_identifier_value_) {
+  if (identifier_value_ != &::google::protobuf::internal::kEmptyString) {
     identifier_value_->clear();
   }
-  _clear_bit(1);
+  clear_has_identifier_value();
 }
 inline const ::std::string& UninterpretedOption::identifier_value() const {
   return *identifier_value_;
 }
 inline void UninterpretedOption::set_identifier_value(const ::std::string& value) {
-  _set_bit(1);
-  if (identifier_value_ == &_default_identifier_value_) {
+  set_has_identifier_value();
+  if (identifier_value_ == &::google::protobuf::internal::kEmptyString) {
     identifier_value_ = new ::std::string;
   }
   identifier_value_->assign(value);
 }
 inline void UninterpretedOption::set_identifier_value(const char* value) {
-  _set_bit(1);
-  if (identifier_value_ == &_default_identifier_value_) {
+  set_has_identifier_value();
+  if (identifier_value_ == &::google::protobuf::internal::kEmptyString) {
     identifier_value_ = new ::std::string;
   }
   identifier_value_->assign(value);
 }
 inline void UninterpretedOption::set_identifier_value(const char* value, size_t size) {
-  _set_bit(1);
-  if (identifier_value_ == &_default_identifier_value_) {
+  set_has_identifier_value();
+  if (identifier_value_ == &::google::protobuf::internal::kEmptyString) {
     identifier_value_ = new ::std::string;
   }
   identifier_value_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* UninterpretedOption::mutable_identifier_value() {
-  _set_bit(1);
-  if (identifier_value_ == &_default_identifier_value_) {
+  set_has_identifier_value();
+  if (identifier_value_ == &::google::protobuf::internal::kEmptyString) {
     identifier_value_ = new ::std::string;
   }
   return identifier_value_;
 }
+inline ::std::string* UninterpretedOption::release_identifier_value() {
+  clear_has_identifier_value();
+  if (identifier_value_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = identifier_value_;
+    identifier_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void UninterpretedOption::set_allocated_identifier_value(::std::string* identifier_value) {
+  if (identifier_value_ != &::google::protobuf::internal::kEmptyString) {
+    delete identifier_value_;
+  }
+  if (identifier_value) {
+    set_has_identifier_value();
+    identifier_value_ = identifier_value;
+  } else {
+    clear_has_identifier_value();
+    identifier_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
 
 // optional uint64 positive_int_value = 4;
 inline bool UninterpretedOption::has_positive_int_value() const {
-  return _has_bit(2);
+  return (_has_bits_[0] & 0x00000004u) != 0;
+}
+inline void UninterpretedOption::set_has_positive_int_value() {
+  _has_bits_[0] |= 0x00000004u;
+}
+inline void UninterpretedOption::clear_has_positive_int_value() {
+  _has_bits_[0] &= ~0x00000004u;
 }
 inline void UninterpretedOption::clear_positive_int_value() {
   positive_int_value_ = GOOGLE_ULONGLONG(0);
-  _clear_bit(2);
+  clear_has_positive_int_value();
 }
 inline ::google::protobuf::uint64 UninterpretedOption::positive_int_value() const {
   return positive_int_value_;
 }
 inline void UninterpretedOption::set_positive_int_value(::google::protobuf::uint64 value) {
-  _set_bit(2);
+  set_has_positive_int_value();
   positive_int_value_ = value;
 }
 
 // optional int64 negative_int_value = 5;
 inline bool UninterpretedOption::has_negative_int_value() const {
-  return _has_bit(3);
+  return (_has_bits_[0] & 0x00000008u) != 0;
+}
+inline void UninterpretedOption::set_has_negative_int_value() {
+  _has_bits_[0] |= 0x00000008u;
+}
+inline void UninterpretedOption::clear_has_negative_int_value() {
+  _has_bits_[0] &= ~0x00000008u;
 }
 inline void UninterpretedOption::clear_negative_int_value() {
   negative_int_value_ = GOOGLE_LONGLONG(0);
-  _clear_bit(3);
+  clear_has_negative_int_value();
 }
 inline ::google::protobuf::int64 UninterpretedOption::negative_int_value() const {
   return negative_int_value_;
 }
 inline void UninterpretedOption::set_negative_int_value(::google::protobuf::int64 value) {
-  _set_bit(3);
+  set_has_negative_int_value();
   negative_int_value_ = value;
 }
 
 // optional double double_value = 6;
 inline bool UninterpretedOption::has_double_value() const {
-  return _has_bit(4);
+  return (_has_bits_[0] & 0x00000010u) != 0;
+}
+inline void UninterpretedOption::set_has_double_value() {
+  _has_bits_[0] |= 0x00000010u;
+}
+inline void UninterpretedOption::clear_has_double_value() {
+  _has_bits_[0] &= ~0x00000010u;
 }
 inline void UninterpretedOption::clear_double_value() {
   double_value_ = 0;
-  _clear_bit(4);
+  clear_has_double_value();
 }
 inline double UninterpretedOption::double_value() const {
   return double_value_;
 }
 inline void UninterpretedOption::set_double_value(double value) {
-  _set_bit(4);
+  set_has_double_value();
   double_value_ = value;
 }
 
 // optional bytes string_value = 7;
 inline bool UninterpretedOption::has_string_value() const {
-  return _has_bit(5);
+  return (_has_bits_[0] & 0x00000020u) != 0;
+}
+inline void UninterpretedOption::set_has_string_value() {
+  _has_bits_[0] |= 0x00000020u;
+}
+inline void UninterpretedOption::clear_has_string_value() {
+  _has_bits_[0] &= ~0x00000020u;
 }
 inline void UninterpretedOption::clear_string_value() {
-  if (string_value_ != &_default_string_value_) {
+  if (string_value_ != &::google::protobuf::internal::kEmptyString) {
     string_value_->clear();
   }
-  _clear_bit(5);
+  clear_has_string_value();
 }
 inline const ::std::string& UninterpretedOption::string_value() const {
   return *string_value_;
 }
 inline void UninterpretedOption::set_string_value(const ::std::string& value) {
-  _set_bit(5);
-  if (string_value_ == &_default_string_value_) {
+  set_has_string_value();
+  if (string_value_ == &::google::protobuf::internal::kEmptyString) {
     string_value_ = new ::std::string;
   }
   string_value_->assign(value);
 }
 inline void UninterpretedOption::set_string_value(const char* value) {
-  _set_bit(5);
-  if (string_value_ == &_default_string_value_) {
+  set_has_string_value();
+  if (string_value_ == &::google::protobuf::internal::kEmptyString) {
     string_value_ = new ::std::string;
   }
   string_value_->assign(value);
 }
 inline void UninterpretedOption::set_string_value(const void* value, size_t size) {
-  _set_bit(5);
-  if (string_value_ == &_default_string_value_) {
+  set_has_string_value();
+  if (string_value_ == &::google::protobuf::internal::kEmptyString) {
     string_value_ = new ::std::string;
   }
   string_value_->assign(reinterpret_cast<const char*>(value), size);
 }
 inline ::std::string* UninterpretedOption::mutable_string_value() {
-  _set_bit(5);
-  if (string_value_ == &_default_string_value_) {
+  set_has_string_value();
+  if (string_value_ == &::google::protobuf::internal::kEmptyString) {
     string_value_ = new ::std::string;
   }
   return string_value_;
 }
+inline ::std::string* UninterpretedOption::release_string_value() {
+  clear_has_string_value();
+  if (string_value_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = string_value_;
+    string_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void UninterpretedOption::set_allocated_string_value(::std::string* string_value) {
+  if (string_value_ != &::google::protobuf::internal::kEmptyString) {
+    delete string_value_;
+  }
+  if (string_value) {
+    set_has_string_value();
+    string_value_ = string_value;
+  } else {
+    clear_has_string_value();
+    string_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
+
+// optional string aggregate_value = 8;
+inline bool UninterpretedOption::has_aggregate_value() const {
+  return (_has_bits_[0] & 0x00000040u) != 0;
+}
+inline void UninterpretedOption::set_has_aggregate_value() {
+  _has_bits_[0] |= 0x00000040u;
+}
+inline void UninterpretedOption::clear_has_aggregate_value() {
+  _has_bits_[0] &= ~0x00000040u;
+}
+inline void UninterpretedOption::clear_aggregate_value() {
+  if (aggregate_value_ != &::google::protobuf::internal::kEmptyString) {
+    aggregate_value_->clear();
+  }
+  clear_has_aggregate_value();
+}
+inline const ::std::string& UninterpretedOption::aggregate_value() const {
+  return *aggregate_value_;
+}
+inline void UninterpretedOption::set_aggregate_value(const ::std::string& value) {
+  set_has_aggregate_value();
+  if (aggregate_value_ == &::google::protobuf::internal::kEmptyString) {
+    aggregate_value_ = new ::std::string;
+  }
+  aggregate_value_->assign(value);
+}
+inline void UninterpretedOption::set_aggregate_value(const char* value) {
+  set_has_aggregate_value();
+  if (aggregate_value_ == &::google::protobuf::internal::kEmptyString) {
+    aggregate_value_ = new ::std::string;
+  }
+  aggregate_value_->assign(value);
+}
+inline void UninterpretedOption::set_aggregate_value(const char* value, size_t size) {
+  set_has_aggregate_value();
+  if (aggregate_value_ == &::google::protobuf::internal::kEmptyString) {
+    aggregate_value_ = new ::std::string;
+  }
+  aggregate_value_->assign(reinterpret_cast<const char*>(value), size);
+}
+inline ::std::string* UninterpretedOption::mutable_aggregate_value() {
+  set_has_aggregate_value();
+  if (aggregate_value_ == &::google::protobuf::internal::kEmptyString) {
+    aggregate_value_ = new ::std::string;
+  }
+  return aggregate_value_;
+}
+inline ::std::string* UninterpretedOption::release_aggregate_value() {
+  clear_has_aggregate_value();
+  if (aggregate_value_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = aggregate_value_;
+    aggregate_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void UninterpretedOption::set_allocated_aggregate_value(::std::string* aggregate_value) {
+  if (aggregate_value_ != &::google::protobuf::internal::kEmptyString) {
+    delete aggregate_value_;
+  }
+  if (aggregate_value) {
+    set_has_aggregate_value();
+    aggregate_value_ = aggregate_value;
+  } else {
+    clear_has_aggregate_value();
+    aggregate_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
+
+// -------------------------------------------------------------------
+
+// SourceCodeInfo_Location
+
+// repeated int32 path = 1 [packed = true];
+inline int SourceCodeInfo_Location::path_size() const {
+  return path_.size();
+}
+inline void SourceCodeInfo_Location::clear_path() {
+  path_.Clear();
+}
+inline ::google::protobuf::int32 SourceCodeInfo_Location::path(int index) const {
+  return path_.Get(index);
+}
+inline void SourceCodeInfo_Location::set_path(int index, ::google::protobuf::int32 value) {
+  path_.Set(index, value);
+}
+inline void SourceCodeInfo_Location::add_path(::google::protobuf::int32 value) {
+  path_.Add(value);
+}
+inline const ::google::protobuf::RepeatedField< ::google::protobuf::int32 >&
+SourceCodeInfo_Location::path() const {
+  return path_;
+}
+inline ::google::protobuf::RepeatedField< ::google::protobuf::int32 >*
+SourceCodeInfo_Location::mutable_path() {
+  return &path_;
+}
+
+// repeated int32 span = 2 [packed = true];
+inline int SourceCodeInfo_Location::span_size() const {
+  return span_.size();
+}
+inline void SourceCodeInfo_Location::clear_span() {
+  span_.Clear();
+}
+inline ::google::protobuf::int32 SourceCodeInfo_Location::span(int index) const {
+  return span_.Get(index);
+}
+inline void SourceCodeInfo_Location::set_span(int index, ::google::protobuf::int32 value) {
+  span_.Set(index, value);
+}
+inline void SourceCodeInfo_Location::add_span(::google::protobuf::int32 value) {
+  span_.Add(value);
+}
+inline const ::google::protobuf::RepeatedField< ::google::protobuf::int32 >&
+SourceCodeInfo_Location::span() const {
+  return span_;
+}
+inline ::google::protobuf::RepeatedField< ::google::protobuf::int32 >*
+SourceCodeInfo_Location::mutable_span() {
+  return &span_;
+}
+
+// optional string leading_comments = 3;
+inline bool SourceCodeInfo_Location::has_leading_comments() const {
+  return (_has_bits_[0] & 0x00000004u) != 0;
+}
+inline void SourceCodeInfo_Location::set_has_leading_comments() {
+  _has_bits_[0] |= 0x00000004u;
+}
+inline void SourceCodeInfo_Location::clear_has_leading_comments() {
+  _has_bits_[0] &= ~0x00000004u;
+}
+inline void SourceCodeInfo_Location::clear_leading_comments() {
+  if (leading_comments_ != &::google::protobuf::internal::kEmptyString) {
+    leading_comments_->clear();
+  }
+  clear_has_leading_comments();
+}
+inline const ::std::string& SourceCodeInfo_Location::leading_comments() const {
+  return *leading_comments_;
+}
+inline void SourceCodeInfo_Location::set_leading_comments(const ::std::string& value) {
+  set_has_leading_comments();
+  if (leading_comments_ == &::google::protobuf::internal::kEmptyString) {
+    leading_comments_ = new ::std::string;
+  }
+  leading_comments_->assign(value);
+}
+inline void SourceCodeInfo_Location::set_leading_comments(const char* value) {
+  set_has_leading_comments();
+  if (leading_comments_ == &::google::protobuf::internal::kEmptyString) {
+    leading_comments_ = new ::std::string;
+  }
+  leading_comments_->assign(value);
+}
+inline void SourceCodeInfo_Location::set_leading_comments(const char* value, size_t size) {
+  set_has_leading_comments();
+  if (leading_comments_ == &::google::protobuf::internal::kEmptyString) {
+    leading_comments_ = new ::std::string;
+  }
+  leading_comments_->assign(reinterpret_cast<const char*>(value), size);
+}
+inline ::std::string* SourceCodeInfo_Location::mutable_leading_comments() {
+  set_has_leading_comments();
+  if (leading_comments_ == &::google::protobuf::internal::kEmptyString) {
+    leading_comments_ = new ::std::string;
+  }
+  return leading_comments_;
+}
+inline ::std::string* SourceCodeInfo_Location::release_leading_comments() {
+  clear_has_leading_comments();
+  if (leading_comments_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = leading_comments_;
+    leading_comments_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void SourceCodeInfo_Location::set_allocated_leading_comments(::std::string* leading_comments) {
+  if (leading_comments_ != &::google::protobuf::internal::kEmptyString) {
+    delete leading_comments_;
+  }
+  if (leading_comments) {
+    set_has_leading_comments();
+    leading_comments_ = leading_comments;
+  } else {
+    clear_has_leading_comments();
+    leading_comments_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
+
+// optional string trailing_comments = 4;
+inline bool SourceCodeInfo_Location::has_trailing_comments() const {
+  return (_has_bits_[0] & 0x00000008u) != 0;
+}
+inline void SourceCodeInfo_Location::set_has_trailing_comments() {
+  _has_bits_[0] |= 0x00000008u;
+}
+inline void SourceCodeInfo_Location::clear_has_trailing_comments() {
+  _has_bits_[0] &= ~0x00000008u;
+}
+inline void SourceCodeInfo_Location::clear_trailing_comments() {
+  if (trailing_comments_ != &::google::protobuf::internal::kEmptyString) {
+    trailing_comments_->clear();
+  }
+  clear_has_trailing_comments();
+}
+inline const ::std::string& SourceCodeInfo_Location::trailing_comments() const {
+  return *trailing_comments_;
+}
+inline void SourceCodeInfo_Location::set_trailing_comments(const ::std::string& value) {
+  set_has_trailing_comments();
+  if (trailing_comments_ == &::google::protobuf::internal::kEmptyString) {
+    trailing_comments_ = new ::std::string;
+  }
+  trailing_comments_->assign(value);
+}
+inline void SourceCodeInfo_Location::set_trailing_comments(const char* value) {
+  set_has_trailing_comments();
+  if (trailing_comments_ == &::google::protobuf::internal::kEmptyString) {
+    trailing_comments_ = new ::std::string;
+  }
+  trailing_comments_->assign(value);
+}
+inline void SourceCodeInfo_Location::set_trailing_comments(const char* value, size_t size) {
+  set_has_trailing_comments();
+  if (trailing_comments_ == &::google::protobuf::internal::kEmptyString) {
+    trailing_comments_ = new ::std::string;
+  }
+  trailing_comments_->assign(reinterpret_cast<const char*>(value), size);
+}
+inline ::std::string* SourceCodeInfo_Location::mutable_trailing_comments() {
+  set_has_trailing_comments();
+  if (trailing_comments_ == &::google::protobuf::internal::kEmptyString) {
+    trailing_comments_ = new ::std::string;
+  }
+  return trailing_comments_;
+}
+inline ::std::string* SourceCodeInfo_Location::release_trailing_comments() {
+  clear_has_trailing_comments();
+  if (trailing_comments_ == &::google::protobuf::internal::kEmptyString) {
+    return NULL;
+  } else {
+    ::std::string* temp = trailing_comments_;
+    trailing_comments_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    return temp;
+  }
+}
+inline void SourceCodeInfo_Location::set_allocated_trailing_comments(::std::string* trailing_comments) {
+  if (trailing_comments_ != &::google::protobuf::internal::kEmptyString) {
+    delete trailing_comments_;
+  }
+  if (trailing_comments) {
+    set_has_trailing_comments();
+    trailing_comments_ = trailing_comments;
+  } else {
+    clear_has_trailing_comments();
+    trailing_comments_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+  }
+}
+
+// -------------------------------------------------------------------
+
+// SourceCodeInfo
+
+// repeated .google.protobuf.SourceCodeInfo.Location location = 1;
+inline int SourceCodeInfo::location_size() const {
+  return location_.size();
+}
+inline void SourceCodeInfo::clear_location() {
+  location_.Clear();
+}
+inline const ::google::protobuf::SourceCodeInfo_Location& SourceCodeInfo::location(int index) const {
+  return location_.Get(index);
+}
+inline ::google::protobuf::SourceCodeInfo_Location* SourceCodeInfo::mutable_location(int index) {
+  return location_.Mutable(index);
+}
+inline ::google::protobuf::SourceCodeInfo_Location* SourceCodeInfo::add_location() {
+  return location_.Add();
+}
+inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::SourceCodeInfo_Location >&
+SourceCodeInfo::location() const {
+  return location_;
+}
+inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::SourceCodeInfo_Location >*
+SourceCodeInfo::mutable_location() {
+  return &location_;
+}
 
 
 // @@protoc_insertion_point(namespace_scope)
diff --git a/common/protobuf-2.3.0/src/google/protobuf/descriptor.proto b/common/protobuf-2.5.0/src/google/protobuf/descriptor.proto
similarity index 61%
rename from common/protobuf-2.3.0/src/google/protobuf/descriptor.proto
rename to common/protobuf-2.5.0/src/google/protobuf/descriptor.proto
index cc04aa8e..a785f79f 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/descriptor.proto
+++ b/common/protobuf-2.5.0/src/google/protobuf/descriptor.proto
@@ -59,6 +59,11 @@ message FileDescriptorProto {
 
   // Names of files imported by this file.
   repeated string dependency = 3;
+  // Indexes of the public imported files in the dependency list above.
+  repeated int32 public_dependency = 10;
+  // Indexes of the weak imported files in the dependency list.
+  // For Google-internal migration only. Do not use.
+  repeated int32 weak_dependency = 11;
 
   // All top-level definitions in this file.
   repeated DescriptorProto message_type = 4;
@@ -67,6 +72,12 @@ message FileDescriptorProto {
   repeated FieldDescriptorProto extension = 7;
 
   optional FileOptions options = 8;
+
+  // This field contains optional information about the original source code.
+  // You may safely remove this entire field whithout harming runtime
+  // functionality of the descriptors -- the information is needed only by
+  // development tools.
+  optional SourceCodeInfo source_code_info = 9;
 }
 
 // Describes a message type.
@@ -95,13 +106,13 @@ message FieldDescriptorProto {
     // Order is weird for historical reasons.
     TYPE_DOUBLE         = 1;
     TYPE_FLOAT          = 2;
-    TYPE_INT64          = 3;   // Not ZigZag encoded.  Negative numbers
-                               // take 10 bytes.  Use TYPE_SINT64 if negative
-                               // values are likely.
+    // Not ZigZag encoded.  Negative numbers take 10 bytes.  Use TYPE_SINT64 if
+    // negative values are likely.
+    TYPE_INT64          = 3;
     TYPE_UINT64         = 4;
-    TYPE_INT32          = 5;   // Not ZigZag encoded.  Negative numbers
-                               // take 10 bytes.  Use TYPE_SINT32 if negative
-                               // values are likely.
+    // Not ZigZag encoded.  Negative numbers take 10 bytes.  Use TYPE_SINT32 if
+    // negative values are likely.
+    TYPE_INT32          = 5;
     TYPE_FIXED64        = 6;
     TYPE_FIXED32        = 7;
     TYPE_BOOL           = 8;
@@ -193,6 +204,7 @@ message MethodDescriptorProto {
   optional MethodOptions options = 4;
 }
 
+
 // ===================================================================
 // Options
 
@@ -214,10 +226,15 @@ message MethodDescriptorProto {
 //   through 99999.  It is up to you to ensure that you do not use the
 //   same number for multiple options.
 // * For options which will be published and used publicly by multiple
-//   independent entities, e-mail kenton@google.com to reserve extension
-//   numbers.  Simply tell me how many you need and I'll send you back a
-//   set of numbers to use -- there's no need to explain how you intend to
-//   use them.  If this turns out to be popular, a web service will be set up
+//   independent entities, e-mail protobuf-global-extension-registry@google.com
+//   to reserve extension numbers. Simply provide your project name (e.g.
+//   Object-C plugin) and your porject website (if available) -- there's no need
+//   to explain how you intend to use them. Usually you only need one extension
+//   number. You can declare multiple options with only one extension number by
+//   putting them in a sub-message. See the Custom Options section of the docs
+//   for examples:
+//   http://code.google.com/apis/protocolbuffers/docs/proto.html#options
+//   If this turns out to be popular, a web service will be set up
 //   to automatically assign option numbers.
 
 
@@ -245,6 +262,12 @@ message FileOptions {
   // top-level extensions defined in the file.
   optional bool java_multiple_files = 10 [default=false];
 
+  // If set true, then the Java code generator will generate equals() and
+  // hashCode() methods for all messages defined in the .proto file. This is
+  // purely a speed optimization, as the AbstractMessage base class includes
+  // reflection-based implementations of these methods.
+  optional bool java_generate_equals_and_hash = 20 [default=false];
+
   // Generated classes can be optimized for speed or code size.
   enum OptimizeMode {
     SPEED = 1;        // Generate complete code for parsing, serialization,
@@ -254,6 +277,9 @@ message FileOptions {
   }
   optional OptimizeMode optimize_for = 9 [default=SPEED];
 
+  // Sets the Go package where structs generated from this .proto will be
+  // placed.  There is no default.
+  optional string go_package = 11;
 
 
 
@@ -264,13 +290,12 @@ message FileOptions {
   // early versions of proto2.
   //
   // Generic services are now considered deprecated in favor of using plugins
-  // that generate code specific to your particular RPC system.  If you are
-  // using such a plugin, set these to false.  In the future, we may change
-  // the default to false, so if you explicitly want generic services, you
-  // should explicitly set these to true.
-  optional bool cc_generic_services = 16 [default=true];
-  optional bool java_generic_services = 17 [default=true];
-  optional bool py_generic_services = 18 [default=true];
+  // that generate code specific to your particular RPC system.  Therefore,
+  // these default to false.  Old code which depends on generic services should
+  // explicitly set them to true.
+  optional bool cc_generic_services = 16 [default=false];
+  optional bool java_generic_services = 17 [default=false];
+  optional bool py_generic_services = 18 [default=false];
 
   // The parser stores options it doesn't recognize here. See above.
   repeated UninterpretedOption uninterpreted_option = 999;
@@ -333,6 +358,37 @@ message FieldOptions {
   optional bool packed = 2;
 
 
+
+  // Should this field be parsed lazily?  Lazy applies only to message-type
+  // fields.  It means that when the outer message is initially parsed, the
+  // inner message's contents will not be parsed but instead stored in encoded
+  // form.  The inner message will actually be parsed when it is first accessed.
+  //
+  // This is only a hint.  Implementations are free to choose whether to use
+  // eager or lazy parsing regardless of the value of this option.  However,
+  // setting this option true suggests that the protocol author believes that
+  // using lazy parsing on this field is worth the additional bookkeeping
+  // overhead typically needed to implement it.
+  //
+  // This option does not affect the public interface of any generated code;
+  // all method signatures remain the same.  Furthermore, thread-safety of the
+  // interface is not affected by this option; const methods remain safe to
+  // call from multiple threads concurrently, while non-const methods continue
+  // to require exclusive access.
+  //
+  //
+  // Note that implementations may choose not to check required fields within
+  // a lazy sub-message.  That is, calling IsInitialized() on the outher message
+  // may return true even if the inner message has missing required fields.
+  // This is necessary because otherwise the inner message would have to be
+  // parsed in order to perform the check, defeating the purpose of lazy
+  // parsing.  An implementation which chooses not to check required fields
+  // must be consistent about it.  That is, for any particular sub-message, the
+  // implementation must either *always* check its required fields, or *never*
+  // check its required fields, regardless of whether or not the message has
+  // been parsed.
+  optional bool lazy = 5 [default=false];
+
   // Is this field deprecated?
   // Depending on the target platform, this can emit Deprecated annotations
   // for accessors, or it will be completely ignored; in the very least, this
@@ -353,6 +409,9 @@ message FieldOptions {
   // TODO: Fully-implement this, then remove the "experimental_" prefix.
   optional string experimental_map_key = 9;
 
+  // For Google-internal migration only. Do not use.
+  optional bool weak = 10 [default=false];
+
   // The parser stores options it doesn't recognize here. See above.
   repeated UninterpretedOption uninterpreted_option = 999;
 
@@ -362,6 +421,10 @@ message FieldOptions {
 
 message EnumOptions {
 
+  // Set this option to false to disallow mapping different tag names to a same
+  // value.
+  optional bool allow_alias = 2 [default=true];
+
   // The parser stores options it doesn't recognize here. See above.
   repeated UninterpretedOption uninterpreted_option = 999;
 
@@ -405,6 +468,7 @@ message MethodOptions {
   extensions 1000 to max;
 }
 
+
 // A message representing a option the parser does not recognize. This only
 // appears in options protos created by the compiler::Parser class.
 // DescriptorPool resolves these when building Descriptor objects. Therefore,
@@ -430,4 +494,127 @@ message UninterpretedOption {
   optional int64 negative_int_value = 5;
   optional double double_value = 6;
   optional bytes string_value = 7;
+  optional string aggregate_value = 8;
+}
+
+// ===================================================================
+// Optional source code info
+
+// Encapsulates information about the original source file from which a
+// FileDescriptorProto was generated.
+message SourceCodeInfo {
+  // A Location identifies a piece of source code in a .proto file which
+  // corresponds to a particular definition.  This information is intended
+  // to be useful to IDEs, code indexers, documentation generators, and similar
+  // tools.
+  //
+  // For example, say we have a file like:
+  //   message Foo {
+  //     optional string foo = 1;
+  //   }
+  // Let's look at just the field definition:
+  //   optional string foo = 1;
+  //   ^       ^^     ^^  ^  ^^^
+  //   a       bc     de  f  ghi
+  // We have the following locations:
+  //   span   path               represents
+  //   [a,i)  [ 4, 0, 2, 0 ]     The whole field definition.
+  //   [a,b)  [ 4, 0, 2, 0, 4 ]  The label (optional).
+  //   [c,d)  [ 4, 0, 2, 0, 5 ]  The type (string).
+  //   [e,f)  [ 4, 0, 2, 0, 1 ]  The name (foo).
+  //   [g,h)  [ 4, 0, 2, 0, 3 ]  The number (1).
+  //
+  // Notes:
+  // - A location may refer to a repeated field itself (i.e. not to any
+  //   particular index within it).  This is used whenever a set of elements are
+  //   logically enclosed in a single code segment.  For example, an entire
+  //   extend block (possibly containing multiple extension definitions) will
+  //   have an outer location whose path refers to the "extensions" repeated
+  //   field without an index.
+  // - Multiple locations may have the same path.  This happens when a single
+  //   logical declaration is spread out across multiple places.  The most
+  //   obvious example is the "extend" block again -- there may be multiple
+  //   extend blocks in the same scope, each of which will have the same path.
+  // - A location's span is not always a subset of its parent's span.  For
+  //   example, the "extendee" of an extension declaration appears at the
+  //   beginning of the "extend" block and is shared by all extensions within
+  //   the block.
+  // - Just because a location's span is a subset of some other location's span
+  //   does not mean that it is a descendent.  For example, a "group" defines
+  //   both a type and a field in a single declaration.  Thus, the locations
+  //   corresponding to the type and field and their components will overlap.
+  // - Code which tries to interpret locations should probably be designed to
+  //   ignore those that it doesn't understand, as more types of locations could
+  //   be recorded in the future.
+  repeated Location location = 1;
+  message Location {
+    // Identifies which part of the FileDescriptorProto was defined at this
+    // location.
+    //
+    // Each element is a field number or an index.  They form a path from
+    // the root FileDescriptorProto to the place where the definition.  For
+    // example, this path:
+    //   [ 4, 3, 2, 7, 1 ]
+    // refers to:
+    //   file.message_type(3)  // 4, 3
+    //       .field(7)         // 2, 7
+    //       .name()           // 1
+    // This is because FileDescriptorProto.message_type has field number 4:
+    //   repeated DescriptorProto message_type = 4;
+    // and DescriptorProto.field has field number 2:
+    //   repeated FieldDescriptorProto field = 2;
+    // and FieldDescriptorProto.name has field number 1:
+    //   optional string name = 1;
+    //
+    // Thus, the above path gives the location of a field name.  If we removed
+    // the last element:
+    //   [ 4, 3, 2, 7 ]
+    // this path refers to the whole field declaration (from the beginning
+    // of the label to the terminating semicolon).
+    repeated int32 path = 1 [packed=true];
+
+    // Always has exactly three or four elements: start line, start column,
+    // end line (optional, otherwise assumed same as start line), end column.
+    // These are packed into a single field for efficiency.  Note that line
+    // and column numbers are zero-based -- typically you will want to add
+    // 1 to each before displaying to a user.
+    repeated int32 span = 2 [packed=true];
+
+    // If this SourceCodeInfo represents a complete declaration, these are any
+    // comments appearing before and after the declaration which appear to be
+    // attached to the declaration.
+    //
+    // A series of line comments appearing on consecutive lines, with no other
+    // tokens appearing on those lines, will be treated as a single comment.
+    //
+    // Only the comment content is provided; comment markers (e.g. //) are
+    // stripped out.  For block comments, leading whitespace and an asterisk
+    // will be stripped from the beginning of each line other than the first.
+    // Newlines are included in the output.
+    //
+    // Examples:
+    //
+    //   optional int32 foo = 1;  // Comment attached to foo.
+    //   // Comment attached to bar.
+    //   optional int32 bar = 2;
+    //
+    //   optional string baz = 3;
+    //   // Comment attached to baz.
+    //   // Another line attached to baz.
+    //
+    //   // Comment attached to qux.
+    //   //
+    //   // Another line attached to qux.
+    //   optional double qux = 4;
+    //
+    //   optional string corge = 5;
+    //   /* Block comment attached
+    //    * to corge.  Leading asterisks
+    //    * will be removed. */
+    //   /* Block comment attached to
+    //    * grault. */
+    //   optional int32 grault = 6;
+    optional string leading_comments = 3;
+    optional string trailing_comments = 4;
+  }
 }
diff --git a/common/protobuf-2.3.0/src/google/protobuf/descriptor_database.cc b/common/protobuf-2.5.0/src/google/protobuf/descriptor_database.cc
similarity index 98%
rename from common/protobuf-2.3.0/src/google/protobuf/descriptor_database.cc
rename to common/protobuf-2.5.0/src/google/protobuf/descriptor_database.cc
index 95708d94..35e459d5 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/descriptor_database.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/descriptor_database.cc
@@ -39,7 +39,7 @@
 #include <google/protobuf/descriptor.pb.h>
 #include <google/protobuf/wire_format_lite_inl.h>
 #include <google/protobuf/stubs/strutil.h>
-#include <google/protobuf/stubs/stl_util-inl.h>
+#include <google/protobuf/stubs/stl_util.h>
 #include <google/protobuf/stubs/map-util.h>
 
 namespace google {
@@ -101,7 +101,7 @@ bool SimpleDescriptorDatabase::DescriptorIndex<Value>::AddSymbol(
 
   if (iter == by_symbol_.end()) {
     // Apparently the map is currently empty.  Just insert and be done with it.
-    by_symbol_.insert(make_pair(name, value));
+    by_symbol_.insert(typename map<string, Value>::value_type(name, value));
     return true;
   }
 
@@ -128,7 +128,7 @@ bool SimpleDescriptorDatabase::DescriptorIndex<Value>::AddSymbol(
 
   // Insert the new symbol using the iterator as a hint, the new entry will
   // appear immediately before the one the iterator is pointing at.
-  by_symbol_.insert(iter, make_pair(name, value));
+  by_symbol_.insert(iter, typename map<string, Value>::value_type(name, value));
 
   return true;
 }
diff --git a/common/protobuf-2.3.0/src/google/protobuf/descriptor_database.h b/common/protobuf-2.5.0/src/google/protobuf/descriptor_database.h
similarity index 99%
rename from common/protobuf-2.3.0/src/google/protobuf/descriptor_database.h
rename to common/protobuf-2.5.0/src/google/protobuf/descriptor_database.h
index f32b1db9..2ccb1458 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/descriptor_database.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/descriptor_database.h
@@ -41,6 +41,7 @@
 #include <string>
 #include <utility>
 #include <vector>
+#include <google/protobuf/stubs/common.h>
 #include <google/protobuf/descriptor.h>
 
 namespace google {
diff --git a/common/protobuf-2.3.0/src/google/protobuf/descriptor_database_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/descriptor_database_unittest.cc
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/descriptor_database_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/descriptor_database_unittest.cc
diff --git a/common/protobuf-2.3.0/src/google/protobuf/descriptor_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/descriptor_unittest.cc
similarity index 83%
rename from common/protobuf-2.3.0/src/google/protobuf/descriptor_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/descriptor_unittest.cc
index ec2c8152..86e6a49d 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/descriptor_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/descriptor_unittest.cc
@@ -36,13 +36,15 @@
 
 #include <vector>
 
+#include <google/protobuf/compiler/importer.h>
+#include <google/protobuf/unittest.pb.h>
+#include <google/protobuf/unittest_custom_options.pb.h>
+#include <google/protobuf/io/zero_copy_stream_impl.h>
+#include <google/protobuf/descriptor.pb.h>
 #include <google/protobuf/descriptor.h>
 #include <google/protobuf/descriptor_database.h>
 #include <google/protobuf/dynamic_message.h>
-#include <google/protobuf/descriptor.pb.h>
 #include <google/protobuf/text_format.h>
-#include <google/protobuf/unittest.pb.h>
-#include <google/protobuf/unittest_custom_options.pb.h>
 #include <google/protobuf/stubs/strutil.h>
 #include <google/protobuf/stubs/substitute.h>
 
@@ -1518,9 +1520,8 @@ TEST_F(ExtensionDescriptorTest, FindAllExtensions) {
 
 class MiscTest : public testing::Test {
  protected:
-  // Function which makes a field of the given type just to find out what its
-  // cpp_type is.
-  FieldDescriptor::CppType GetCppTypeForFieldType(FieldDescriptor::Type type) {
+  // Function which makes a field descriptor of the given type.
+  const FieldDescriptor* GetFieldDescriptorOfType(FieldDescriptor::Type type) {
     FileDescriptorProto file_proto;
     file_proto.set_name("foo.proto");
     AddEmptyEnum(&file_proto, "DummyEnum");
@@ -1538,19 +1539,62 @@ class MiscTest : public testing::Test {
     }
 
     // Build the descriptors and get the pointers.
-    DescriptorPool pool;
-    const FileDescriptor* file = pool.BuildFile(file_proto);
+    pool_.reset(new DescriptorPool());
+    const FileDescriptor* file = pool_->BuildFile(file_proto);
 
     if (file != NULL &&
         file->message_type_count() == 1 &&
         file->message_type(0)->field_count() == 1) {
-      return file->message_type(0)->field(0)->cpp_type();
+      return file->message_type(0)->field(0);
     } else {
-      return static_cast<FieldDescriptor::CppType>(0);
+      return NULL;
     }
   }
+
+  const char* GetTypeNameForFieldType(FieldDescriptor::Type type) {
+    const FieldDescriptor* field = GetFieldDescriptorOfType(type);
+    return field != NULL ? field->type_name() : "";
+  }
+
+  FieldDescriptor::CppType GetCppTypeForFieldType(FieldDescriptor::Type type) {
+    const FieldDescriptor* field = GetFieldDescriptorOfType(type);
+    return field != NULL ? field->cpp_type() :
+        static_cast<FieldDescriptor::CppType>(0);
+  }
+
+  const char* GetCppTypeNameForFieldType(FieldDescriptor::Type type) {
+    const FieldDescriptor* field = GetFieldDescriptorOfType(type);
+    return field != NULL ? field->cpp_type_name() : "";
+  }
+
+  scoped_ptr<DescriptorPool> pool_;
 };
 
+TEST_F(MiscTest, TypeNames) {
+  // Test that correct type names are returned.
+
+  typedef FieldDescriptor FD;  // avoid ugly line wrapping
+
+  EXPECT_STREQ("double"  , GetTypeNameForFieldType(FD::TYPE_DOUBLE  ));
+  EXPECT_STREQ("float"   , GetTypeNameForFieldType(FD::TYPE_FLOAT   ));
+  EXPECT_STREQ("int64"   , GetTypeNameForFieldType(FD::TYPE_INT64   ));
+  EXPECT_STREQ("uint64"  , GetTypeNameForFieldType(FD::TYPE_UINT64  ));
+  EXPECT_STREQ("int32"   , GetTypeNameForFieldType(FD::TYPE_INT32   ));
+  EXPECT_STREQ("fixed64" , GetTypeNameForFieldType(FD::TYPE_FIXED64 ));
+  EXPECT_STREQ("fixed32" , GetTypeNameForFieldType(FD::TYPE_FIXED32 ));
+  EXPECT_STREQ("bool"    , GetTypeNameForFieldType(FD::TYPE_BOOL    ));
+  EXPECT_STREQ("string"  , GetTypeNameForFieldType(FD::TYPE_STRING  ));
+  EXPECT_STREQ("group"   , GetTypeNameForFieldType(FD::TYPE_GROUP   ));
+  EXPECT_STREQ("message" , GetTypeNameForFieldType(FD::TYPE_MESSAGE ));
+  EXPECT_STREQ("bytes"   , GetTypeNameForFieldType(FD::TYPE_BYTES   ));
+  EXPECT_STREQ("uint32"  , GetTypeNameForFieldType(FD::TYPE_UINT32  ));
+  EXPECT_STREQ("enum"    , GetTypeNameForFieldType(FD::TYPE_ENUM    ));
+  EXPECT_STREQ("sfixed32", GetTypeNameForFieldType(FD::TYPE_SFIXED32));
+  EXPECT_STREQ("sfixed64", GetTypeNameForFieldType(FD::TYPE_SFIXED64));
+  EXPECT_STREQ("sint32"  , GetTypeNameForFieldType(FD::TYPE_SINT32  ));
+  EXPECT_STREQ("sint64"  , GetTypeNameForFieldType(FD::TYPE_SINT64  ));
+}
+
 TEST_F(MiscTest, CppTypes) {
   // Test that CPP types are assigned correctly.
 
@@ -1576,6 +1620,31 @@ TEST_F(MiscTest, CppTypes) {
   EXPECT_EQ(FD::CPPTYPE_INT64  , GetCppTypeForFieldType(FD::TYPE_SINT64  ));
 }
 
+TEST_F(MiscTest, CppTypeNames) {
+  // Test that correct CPP type names are returned.
+
+  typedef FieldDescriptor FD;  // avoid ugly line wrapping
+
+  EXPECT_STREQ("double" , GetCppTypeNameForFieldType(FD::TYPE_DOUBLE  ));
+  EXPECT_STREQ("float"  , GetCppTypeNameForFieldType(FD::TYPE_FLOAT   ));
+  EXPECT_STREQ("int64"  , GetCppTypeNameForFieldType(FD::TYPE_INT64   ));
+  EXPECT_STREQ("uint64" , GetCppTypeNameForFieldType(FD::TYPE_UINT64  ));
+  EXPECT_STREQ("int32"  , GetCppTypeNameForFieldType(FD::TYPE_INT32   ));
+  EXPECT_STREQ("uint64" , GetCppTypeNameForFieldType(FD::TYPE_FIXED64 ));
+  EXPECT_STREQ("uint32" , GetCppTypeNameForFieldType(FD::TYPE_FIXED32 ));
+  EXPECT_STREQ("bool"   , GetCppTypeNameForFieldType(FD::TYPE_BOOL    ));
+  EXPECT_STREQ("string" , GetCppTypeNameForFieldType(FD::TYPE_STRING  ));
+  EXPECT_STREQ("message", GetCppTypeNameForFieldType(FD::TYPE_GROUP   ));
+  EXPECT_STREQ("message", GetCppTypeNameForFieldType(FD::TYPE_MESSAGE ));
+  EXPECT_STREQ("string" , GetCppTypeNameForFieldType(FD::TYPE_BYTES   ));
+  EXPECT_STREQ("uint32" , GetCppTypeNameForFieldType(FD::TYPE_UINT32  ));
+  EXPECT_STREQ("enum"   , GetCppTypeNameForFieldType(FD::TYPE_ENUM    ));
+  EXPECT_STREQ("int32"  , GetCppTypeNameForFieldType(FD::TYPE_SFIXED32));
+  EXPECT_STREQ("int64"  , GetCppTypeNameForFieldType(FD::TYPE_SFIXED64));
+  EXPECT_STREQ("int32"  , GetCppTypeNameForFieldType(FD::TYPE_SINT32  ));
+  EXPECT_STREQ("int64"  , GetCppTypeNameForFieldType(FD::TYPE_SINT64  ));
+}
+
 TEST_F(MiscTest, DefaultValues) {
   // Test that setting default values works.
   FileDescriptorProto file_proto;
@@ -1670,7 +1739,7 @@ TEST_F(MiscTest, DefaultValues) {
             message->field(3)->default_value_uint64());
   EXPECT_EQ(4.5             , message->field(4)->default_value_float ());
   EXPECT_EQ(10e100          , message->field(5)->default_value_double());
-  EXPECT_EQ(true            , message->field(6)->default_value_bool  ());
+  EXPECT_TRUE(                message->field(6)->default_value_bool  ());
   EXPECT_EQ("hello"         , message->field(7)->default_value_string());
   EXPECT_EQ("\001\002\003"  , message->field(8)->default_value_string());
   EXPECT_EQ(enum_value_b    , message->field(9)->default_value_enum  ());
@@ -1693,7 +1762,7 @@ TEST_F(MiscTest, DefaultValues) {
   EXPECT_EQ(0    , message->field(14)->default_value_uint64());
   EXPECT_EQ(0.0f , message->field(15)->default_value_float ());
   EXPECT_EQ(0.0  , message->field(16)->default_value_double());
-  EXPECT_EQ(false, message->field(17)->default_value_bool  ());
+  EXPECT_FALSE(    message->field(17)->default_value_bool  ());
   EXPECT_EQ(""   , message->field(18)->default_value_string());
   EXPECT_EQ(""   , message->field(19)->default_value_string());
   EXPECT_EQ(enum_value_a, message->field(20)->default_value_enum());
@@ -1739,13 +1808,31 @@ TEST_F(MiscTest, FieldOptions) {
 }
 
 // ===================================================================
+enum DescriptorPoolMode {
+  NO_DATABASE,
+  FALLBACK_DATABASE
+};
 
-class AllowUnknownDependenciesTest : public testing::Test {
+class AllowUnknownDependenciesTest
+    : public testing::TestWithParam<DescriptorPoolMode> {
  protected:
+  DescriptorPoolMode mode() {
+    return GetParam();
+   }
+
   virtual void SetUp() {
     FileDescriptorProto foo_proto, bar_proto;
 
-    pool_.AllowUnknownDependencies();
+    switch (mode()) {
+      case NO_DATABASE:
+        pool_.reset(new DescriptorPool);
+        break;
+      case FALLBACK_DATABASE:
+        pool_.reset(new DescriptorPool(&db_));
+        break;
+    }
+
+    pool_->AllowUnknownDependencies();
 
     ASSERT_TRUE(TextFormat::ParseFromString(
       "name: 'foo.proto'"
@@ -1776,13 +1863,13 @@ class AllowUnknownDependenciesTest : public testing::Test {
       &bar_proto));
 
     // Collect pointers to stuff.
-    bar_file_ = pool_.BuildFile(bar_proto);
+    bar_file_ = BuildFile(bar_proto);
     ASSERT_TRUE(bar_file_ != NULL);
 
     ASSERT_EQ(1, bar_file_->message_type_count());
     bar_type_ = bar_file_->message_type(0);
 
-    foo_file_ = pool_.BuildFile(foo_proto);
+    foo_file_ = BuildFile(foo_proto);
     ASSERT_TRUE(foo_file_ != NULL);
 
     ASSERT_EQ(1, foo_file_->message_type_count());
@@ -1794,6 +1881,20 @@ class AllowUnknownDependenciesTest : public testing::Test {
     qux_field_ = foo_type_->field(2);
   }
 
+  const FileDescriptor* BuildFile(const FileDescriptorProto& proto) {
+    switch (mode()) {
+      case NO_DATABASE:
+        return pool_->BuildFile(proto);
+        break;
+      case FALLBACK_DATABASE: {
+        EXPECT_TRUE(db_.Add(proto));
+        return pool_->FindFileByName(proto.name());
+      }
+    }
+    GOOGLE_LOG(FATAL) << "Can't get here.";
+    return NULL;
+  }
+
   const FileDescriptor* bar_file_;
   const Descriptor* bar_type_;
   const FileDescriptor* foo_file_;
@@ -1802,10 +1903,11 @@ class AllowUnknownDependenciesTest : public testing::Test {
   const FieldDescriptor* baz_field_;
   const FieldDescriptor* qux_field_;
 
-  DescriptorPool pool_;
+  SimpleDescriptorDatabase db_;        // used if in FALLBACK_DATABASE mode.
+  scoped_ptr<DescriptorPool> pool_;
 };
 
-TEST_F(AllowUnknownDependenciesTest, PlaceholderFile) {
+TEST_P(AllowUnknownDependenciesTest, PlaceholderFile) {
   ASSERT_EQ(2, foo_file_->dependency_count());
   EXPECT_EQ(bar_file_, foo_file_->dependency(0));
 
@@ -1814,11 +1916,11 @@ TEST_F(AllowUnknownDependenciesTest, PlaceholderFile) {
   EXPECT_EQ(0, baz_file->message_type_count());
 
   // Placeholder files should not be findable.
-  EXPECT_EQ(bar_file_, pool_.FindFileByName(bar_file_->name()));
-  EXPECT_TRUE(pool_.FindFileByName(baz_file->name()) == NULL);
+  EXPECT_EQ(bar_file_, pool_->FindFileByName(bar_file_->name()));
+  EXPECT_TRUE(pool_->FindFileByName(baz_file->name()) == NULL);
 }
 
-TEST_F(AllowUnknownDependenciesTest, PlaceholderTypes) {
+TEST_P(AllowUnknownDependenciesTest, PlaceholderTypes) {
   ASSERT_EQ(FieldDescriptor::TYPE_MESSAGE, bar_field_->type());
   EXPECT_EQ(bar_type_, bar_field_->message_type());
 
@@ -1836,12 +1938,12 @@ TEST_F(AllowUnknownDependenciesTest, PlaceholderTypes) {
   EXPECT_EQ("corge.Qux.placeholder.proto", qux_type->file()->name());
 
   // Placeholder types should not be findable.
-  EXPECT_EQ(bar_type_, pool_.FindMessageTypeByName(bar_type_->full_name()));
-  EXPECT_TRUE(pool_.FindMessageTypeByName(baz_type->full_name()) == NULL);
-  EXPECT_TRUE(pool_.FindEnumTypeByName(qux_type->full_name()) == NULL);
+  EXPECT_EQ(bar_type_, pool_->FindMessageTypeByName(bar_type_->full_name()));
+  EXPECT_TRUE(pool_->FindMessageTypeByName(baz_type->full_name()) == NULL);
+  EXPECT_TRUE(pool_->FindEnumTypeByName(qux_type->full_name()) == NULL);
 }
 
-TEST_F(AllowUnknownDependenciesTest, CopyTo) {
+TEST_P(AllowUnknownDependenciesTest, CopyTo) {
   // FieldDescriptor::CopyTo() should write non-fully-qualified type names
   // for placeholder types which were not originally fully-qualified.
   FieldDescriptorProto proto;
@@ -1864,7 +1966,7 @@ TEST_F(AllowUnknownDependenciesTest, CopyTo) {
   EXPECT_EQ(FieldDescriptorProto::TYPE_ENUM, proto.type());
 }
 
-TEST_F(AllowUnknownDependenciesTest, CustomOptions) {
+TEST_P(AllowUnknownDependenciesTest, CustomOptions) {
   // Qux should still have the uninterpreted option attached.
   ASSERT_EQ(1, qux_field_->options().uninterpreted_option_size());
   const UninterpretedOption& option =
@@ -1873,7 +1975,7 @@ TEST_F(AllowUnknownDependenciesTest, CustomOptions) {
   EXPECT_EQ("grault", option.name(0).name_part());
 }
 
-TEST_F(AllowUnknownDependenciesTest, UnknownExtendee) {
+TEST_P(AllowUnknownDependenciesTest, UnknownExtendee) {
   // Test that we can extend an unknown type.  This is slightly tricky because
   // it means that the placeholder type must have an extension range.
 
@@ -1884,7 +1986,7 @@ TEST_F(AllowUnknownDependenciesTest, UnknownExtendee) {
     "extension { extendee: 'UnknownType' name:'some_extension' number:123"
     "            label:LABEL_OPTIONAL type:TYPE_INT32 }",
     &extension_proto));
-  const FileDescriptor* file = pool_.BuildFile(extension_proto);
+  const FileDescriptor* file = BuildFile(extension_proto);
 
   ASSERT_TRUE(file != NULL);
 
@@ -1896,7 +1998,7 @@ TEST_F(AllowUnknownDependenciesTest, UnknownExtendee) {
   EXPECT_EQ(FieldDescriptor::kMaxNumber + 1, extendee->extension_range(0)->end);
 }
 
-TEST_F(AllowUnknownDependenciesTest, CustomOption) {
+TEST_P(AllowUnknownDependenciesTest, CustomOption) {
   // Test that we can use a custom option without having parsed
   // descriptor.proto.
 
@@ -1937,7 +2039,7 @@ TEST_F(AllowUnknownDependenciesTest, CustomOption) {
     "}",
     &option_proto));
 
-  const FileDescriptor* file = pool_.BuildFile(option_proto);
+  const FileDescriptor* file = BuildFile(option_proto);
   ASSERT_TRUE(file != NULL);
 
   // Verify that no extension options were set, but they were left as
@@ -1949,6 +2051,81 @@ TEST_F(AllowUnknownDependenciesTest, CustomOption) {
   EXPECT_EQ(2, file->options().uninterpreted_option_size());
 }
 
+TEST_P(AllowUnknownDependenciesTest,
+       UndeclaredDependencyTriggersBuildOfDependency) {
+  // Crazy case: suppose foo.proto refers to a symbol without declaring the
+  // dependency that finds it. In the event that the pool is backed by a
+  // DescriptorDatabase, the pool will attempt to find the symbol in the
+  // database. If successful, it will build the undeclared dependency to verify
+  // that the file does indeed contain the symbol. If that file fails to build,
+  // then its descriptors must be rolled back. However, we still want foo.proto
+  // to build successfully, since we are allowing unknown dependencies.
+
+  FileDescriptorProto undeclared_dep_proto;
+  // We make this file fail to build by giving it two fields with tag 1.
+  ASSERT_TRUE(TextFormat::ParseFromString(
+    "name: \"invalid_file_as_undeclared_dep.proto\" "
+    "package: \"undeclared\" "
+    "message_type: {  "
+    "  name: \"Quux\"  "
+    "  field { "
+    "    name:'qux' number:1 label:LABEL_OPTIONAL type: TYPE_INT32 "
+    "  }"
+    "  field { "
+    "    name:'quux' number:1 label:LABEL_OPTIONAL type: TYPE_INT64 "
+    "  }"
+    "}",
+    &undeclared_dep_proto));
+  // We can't use the BuildFile() helper because we don't actually want to build
+  // it into the descriptor pool in the fallback database case: it just needs to
+  // be sitting in the database so that it gets built during the building of
+  // test.proto below.
+  switch (mode()) {
+    case NO_DATABASE: {
+      ASSERT_TRUE(pool_->BuildFile(undeclared_dep_proto) == NULL);
+      break;
+    }
+    case FALLBACK_DATABASE: {
+      ASSERT_TRUE(db_.Add(undeclared_dep_proto));
+    }
+  }
+
+  FileDescriptorProto test_proto;
+  ASSERT_TRUE(TextFormat::ParseFromString(
+    "name: \"test.proto\" "
+    "message_type: { "
+    "  name: \"Corge\" "
+    "  field { "
+    "    name:'quux' number:1 label: LABEL_OPTIONAL "
+    "    type_name:'undeclared.Quux' type: TYPE_MESSAGE "
+    "  }"
+    "}",
+    &test_proto));
+
+  const FileDescriptor* file = BuildFile(test_proto);
+  ASSERT_TRUE(file != NULL);
+  GOOGLE_LOG(INFO) << file->DebugString();
+
+  EXPECT_EQ(0, file->dependency_count());
+  ASSERT_EQ(1, file->message_type_count());
+  const Descriptor* corge_desc = file->message_type(0);
+  ASSERT_EQ("Corge", corge_desc->name());
+  ASSERT_EQ(1, corge_desc->field_count());
+
+  const FieldDescriptor* quux_field = corge_desc->field(0);
+  ASSERT_EQ(FieldDescriptor::TYPE_MESSAGE, quux_field->type());
+  ASSERT_EQ("Quux", quux_field->message_type()->name());
+  ASSERT_EQ("undeclared.Quux", quux_field->message_type()->full_name());
+  EXPECT_EQ("undeclared.Quux.placeholder.proto",
+            quux_field->message_type()->file()->name());
+  // The place holder type should not be findable.
+  ASSERT_TRUE(pool_->FindMessageTypeByName("undeclared.Quux") == NULL);
+}
+
+INSTANTIATE_TEST_CASE_P(DatabaseSource,
+                        AllowUnknownDependenciesTest,
+                        testing::Values(NO_DATABASE, FALLBACK_DATABASE));
+
 // ===================================================================
 
 TEST(CustomOptions, OptionLocations) {
@@ -1990,7 +2167,7 @@ TEST(CustomOptions, OptionTypes) {
 
   options =
       &protobuf_unittest::CustomOptionMinIntegerValues::descriptor()->options();
-  EXPECT_EQ(false    , options->GetExtension(protobuf_unittest::bool_opt));
+  EXPECT_FALSE(        options->GetExtension(protobuf_unittest::bool_opt));
   EXPECT_EQ(kint32min, options->GetExtension(protobuf_unittest::int32_opt));
   EXPECT_EQ(kint64min, options->GetExtension(protobuf_unittest::int64_opt));
   EXPECT_EQ(0        , options->GetExtension(protobuf_unittest::uint32_opt));
@@ -2004,7 +2181,7 @@ TEST(CustomOptions, OptionTypes) {
 
   options =
       &protobuf_unittest::CustomOptionMaxIntegerValues::descriptor()->options();
-  EXPECT_EQ(true      , options->GetExtension(protobuf_unittest::bool_opt));
+  EXPECT_TRUE(          options->GetExtension(protobuf_unittest::bool_opt));
   EXPECT_EQ(kint32max , options->GetExtension(protobuf_unittest::int32_opt));
   EXPECT_EQ(kint64max , options->GetExtension(protobuf_unittest::int64_opt));
   EXPECT_EQ(kuint32max, options->GetExtension(protobuf_unittest::uint32_opt));
@@ -2212,6 +2389,45 @@ TEST(CustomOptions, MessageOptionThreeFieldsSet) {
   EXPECT_EQ(1234, options.GetExtension(protobuf_unittest::complex_opt1).foo());
 }
 
+// Check that aggregate options were parsed and saved correctly in
+// the appropriate descriptors.
+TEST(CustomOptions, AggregateOptions) {
+  const Descriptor* msg = protobuf_unittest::AggregateMessage::descriptor();
+  const FileDescriptor* file = msg->file();
+  const FieldDescriptor* field = msg->FindFieldByName("fieldname");
+  const EnumDescriptor* enumd = file->FindEnumTypeByName("AggregateEnum");
+  const EnumValueDescriptor* enumv = enumd->FindValueByName("VALUE");
+  const ServiceDescriptor* service = file->FindServiceByName(
+      "AggregateService");
+  const MethodDescriptor* method = service->FindMethodByName("Method");
+
+  // Tests for the different types of data embedded in fileopt
+  const protobuf_unittest::Aggregate& file_options =
+      file->options().GetExtension(protobuf_unittest::fileopt);
+  EXPECT_EQ(100, file_options.i());
+  EXPECT_EQ("FileAnnotation", file_options.s());
+  EXPECT_EQ("NestedFileAnnotation", file_options.sub().s());
+  EXPECT_EQ("FileExtensionAnnotation",
+            file_options.file().GetExtension(protobuf_unittest::fileopt).s());
+  EXPECT_EQ("EmbeddedMessageSetElement",
+            file_options.mset().GetExtension(
+                protobuf_unittest::AggregateMessageSetElement
+                ::message_set_extension).s());
+
+  // Simple tests for all the other types of annotations
+  EXPECT_EQ("MessageAnnotation",
+            msg->options().GetExtension(protobuf_unittest::msgopt).s());
+  EXPECT_EQ("FieldAnnotation",
+            field->options().GetExtension(protobuf_unittest::fieldopt).s());
+  EXPECT_EQ("EnumAnnotation",
+            enumd->options().GetExtension(protobuf_unittest::enumopt).s());
+  EXPECT_EQ("EnumValueAnnotation",
+            enumv->options().GetExtension(protobuf_unittest::enumvalopt).s());
+  EXPECT_EQ("ServiceAnnotation",
+            service->options().GetExtension(protobuf_unittest::serviceopt).s());
+  EXPECT_EQ("MethodAnnotation",
+            method->options().GetExtension(protobuf_unittest::methodopt).s());
+}
 
 // ===================================================================
 
@@ -2412,6 +2628,15 @@ TEST_F(ValidationErrorTest, UnknownDependency) {
     "bar.proto: bar.proto: OTHER: Import \"foo.proto\" has not been loaded.\n");
 }
 
+TEST_F(ValidationErrorTest, InvalidPublicDependencyIndex) {
+  BuildFile("name: \"foo.proto\"");
+  BuildFileWithErrors(
+    "name: \"bar.proto\" "
+    "dependency: \"foo.proto\" "
+    "public_dependency: 1",
+    "bar.proto: bar.proto: OTHER: Invalid public dependency index.\n");
+}
+
 TEST_F(ValidationErrorTest, ForeignUnimportedPackageNoCrash) {
   // Used to crash:  If we depend on a non-existent file and then refer to a
   // package defined in a file that we didn't import, and that package is
@@ -2790,6 +3015,164 @@ TEST_F(ValidationErrorTest, FieldTypeDefinedInUndeclaredDependency) {
       "necessary import.\n");
 }
 
+TEST_F(ValidationErrorTest, FieldTypeDefinedInIndirectDependency) {
+  // Test for hidden dependencies.
+  //
+  // // bar.proto
+  // message Bar{}
+  //
+  // // forward.proto
+  // import "bar.proto"
+  //
+  // // foo.proto
+  // import "forward.proto"
+  // message Foo {
+  //   optional Bar foo = 1;  // Error, needs to import bar.proto explicitly.
+  // }
+  //
+  BuildFile(
+    "name: \"bar.proto\" "
+    "message_type { name: \"Bar\" }");
+
+  BuildFile(
+    "name: \"forward.proto\""
+    "dependency: \"bar.proto\"");
+
+  BuildFileWithErrors(
+    "name: \"foo.proto\" "
+    "dependency: \"forward.proto\" "
+    "message_type {"
+    "  name: \"Foo\""
+    "  field { name:\"foo\" number:1 label:LABEL_OPTIONAL type_name:\"Bar\" }"
+    "}",
+    "foo.proto: Foo.foo: TYPE: \"Bar\" seems to be defined in \"bar.proto\", "
+      "which is not imported by \"foo.proto\".  To use it here, please add the "
+      "necessary import.\n");
+}
+
+TEST_F(ValidationErrorTest, FieldTypeDefinedInPublicDependency) {
+  // Test for public dependencies.
+  //
+  // // bar.proto
+  // message Bar{}
+  //
+  // // forward.proto
+  // import public "bar.proto"
+  //
+  // // foo.proto
+  // import "forward.proto"
+  // message Foo {
+  //   optional Bar foo = 1;  // Correct. "bar.proto" is public imported into
+  //                          // forward.proto, so when "foo.proto" imports
+  //                          // "forward.proto", it imports "bar.proto" too.
+  // }
+  //
+  BuildFile(
+    "name: \"bar.proto\" "
+    "message_type { name: \"Bar\" }");
+
+  BuildFile(
+    "name: \"forward.proto\""
+    "dependency: \"bar.proto\" "
+    "public_dependency: 0");
+
+  BuildFile(
+    "name: \"foo.proto\" "
+    "dependency: \"forward.proto\" "
+    "message_type {"
+    "  name: \"Foo\""
+    "  field { name:\"foo\" number:1 label:LABEL_OPTIONAL type_name:\"Bar\" }"
+    "}");
+}
+
+TEST_F(ValidationErrorTest, FieldTypeDefinedInTransitivePublicDependency) {
+  // Test for public dependencies.
+  //
+  // // bar.proto
+  // message Bar{}
+  //
+  // // forward.proto
+  // import public "bar.proto"
+  //
+  // // forward2.proto
+  // import public "forward.proto"
+  //
+  // // foo.proto
+  // import "forward2.proto"
+  // message Foo {
+  //   optional Bar foo = 1;  // Correct, public imports are transitive.
+  // }
+  //
+  BuildFile(
+    "name: \"bar.proto\" "
+    "message_type { name: \"Bar\" }");
+
+  BuildFile(
+    "name: \"forward.proto\""
+    "dependency: \"bar.proto\" "
+    "public_dependency: 0");
+
+  BuildFile(
+    "name: \"forward2.proto\""
+    "dependency: \"forward.proto\" "
+    "public_dependency: 0");
+
+  BuildFile(
+    "name: \"foo.proto\" "
+    "dependency: \"forward2.proto\" "
+    "message_type {"
+    "  name: \"Foo\""
+    "  field { name:\"foo\" number:1 label:LABEL_OPTIONAL type_name:\"Bar\" }"
+    "}");
+}
+
+TEST_F(ValidationErrorTest,
+       FieldTypeDefinedInPrivateDependencyOfPublicDependency) {
+  // Test for public dependencies.
+  //
+  // // bar.proto
+  // message Bar{}
+  //
+  // // forward.proto
+  // import "bar.proto"
+  //
+  // // forward2.proto
+  // import public "forward.proto"
+  //
+  // // foo.proto
+  // import "forward2.proto"
+  // message Foo {
+  //   optional Bar foo = 1;  // Error, the "bar.proto" is not public imported
+  //                          // into "forward.proto", so will not be imported
+  //                          // into either "forward2.proto" or "foo.proto".
+  // }
+  //
+  BuildFile(
+    "name: \"bar.proto\" "
+    "message_type { name: \"Bar\" }");
+
+  BuildFile(
+    "name: \"forward.proto\""
+    "dependency: \"bar.proto\"");
+
+  BuildFile(
+    "name: \"forward2.proto\""
+    "dependency: \"forward.proto\" "
+    "public_dependency: 0");
+
+  BuildFileWithErrors(
+    "name: \"foo.proto\" "
+    "dependency: \"forward2.proto\" "
+    "message_type {"
+    "  name: \"Foo\""
+    "  field { name:\"foo\" number:1 label:LABEL_OPTIONAL type_name:\"Bar\" }"
+    "}",
+    "foo.proto: Foo.foo: TYPE: \"Bar\" seems to be defined in \"bar.proto\", "
+      "which is not imported by \"foo.proto\".  To use it here, please add the "
+      "necessary import.\n");
+}
+
+
 TEST_F(ValidationErrorTest, SearchMostLocalFirst) {
   // The following should produce an error that Bar.Baz is not defined:
   //   message Bar { message Baz {} }
@@ -2992,7 +3375,8 @@ TEST_F(ValidationErrorTest, InputTypeNotDefined) {
     "  method { name: \"A\" input_type: \"Bar\" output_type: \"Foo\" }"
     "}",
 
-    "foo.proto: TestService.A: INPUT_TYPE: \"Bar\" is not defined.\n");
+    "foo.proto: TestService.A: INPUT_TYPE: \"Bar\" is not defined.\n"
+    );
 }
 
 TEST_F(ValidationErrorTest, InputTypeNotAMessage) {
@@ -3005,7 +3389,8 @@ TEST_F(ValidationErrorTest, InputTypeNotAMessage) {
     "  method { name: \"A\" input_type: \"Bar\" output_type: \"Foo\" }"
     "}",
 
-    "foo.proto: TestService.A: INPUT_TYPE: \"Bar\" is not a message type.\n");
+    "foo.proto: TestService.A: INPUT_TYPE: \"Bar\" is not a message type.\n"
+    );
 }
 
 TEST_F(ValidationErrorTest, OutputTypeNotDefined) {
@@ -3017,7 +3402,8 @@ TEST_F(ValidationErrorTest, OutputTypeNotDefined) {
     "  method { name: \"A\" input_type: \"Foo\" output_type: \"Bar\" }"
     "}",
 
-    "foo.proto: TestService.A: OUTPUT_TYPE: \"Bar\" is not defined.\n");
+    "foo.proto: TestService.A: OUTPUT_TYPE: \"Bar\" is not defined.\n"
+    );
 }
 
 TEST_F(ValidationErrorTest, OutputTypeNotAMessage) {
@@ -3030,9 +3416,11 @@ TEST_F(ValidationErrorTest, OutputTypeNotAMessage) {
     "  method { name: \"A\" input_type: \"Foo\" output_type: \"Bar\" }"
     "}",
 
-    "foo.proto: TestService.A: OUTPUT_TYPE: \"Bar\" is not a message type.\n");
+    "foo.proto: TestService.A: OUTPUT_TYPE: \"Bar\" is not a message type.\n"
+    );
 }
 
+
 TEST_F(ValidationErrorTest, IllegalPackedField) {
   BuildFileWithErrors(
     "name: \"foo.proto\" "
@@ -3425,25 +3813,50 @@ TEST_F(ValidationErrorTest, StringOptionValueIsNotString) {
     "string option \"foo\".\n");
 }
 
-TEST_F(ValidationErrorTest, TryingToSetMessageValuedOption) {
+// Helper function for tests that check for aggregate value parsing
+// errors.  The "value" argument is embedded inside the
+// "uninterpreted_option" portion of the result.
+static string EmbedAggregateValue(const char* value) {
+  return strings::Substitute(
+      "name: \"foo.proto\" "
+      "dependency: \"google/protobuf/descriptor.proto\" "
+      "message_type { name: \"Foo\" } "
+      "extension { name: \"foo\" number: 7672757 label: LABEL_OPTIONAL "
+      "            type: TYPE_MESSAGE type_name: \"Foo\" "
+      "            extendee: \"google.protobuf.FileOptions\" }"
+      "options { uninterpreted_option { name { name_part: \"foo\" "
+      "                                        is_extension: true } "
+      "                                 $0 } }",
+      value);
+}
+
+TEST_F(ValidationErrorTest, AggregateValueNotFound) {
   BuildDescriptorMessagesInTestPool();
 
   BuildFileWithErrors(
-    "name: \"foo.proto\" "
-    "dependency: \"google/protobuf/descriptor.proto\" "
-    "message_type { "
-    "  name: \"TestMessage\" "
-    "  field { name:\"baz\" number:1 label:LABEL_OPTIONAL type:TYPE_STRING }"
-    "}"
-    "extension { name: \"bar\" number: 7672757 label: LABEL_OPTIONAL "
-    "            type: TYPE_MESSAGE type_name: \"TestMessage\" "
-    "            extendee: \"google.protobuf.FileOptions\" }"
-    "options { uninterpreted_option { name { name_part: \"bar\" "
-    "                                        is_extension: true } "
-    "                                 identifier_value: \"QUUX\" } }",
+      EmbedAggregateValue("string_value: \"\""),
+      "foo.proto: foo.proto: OPTION_VALUE: Option \"foo\" is a message. "
+      "To set the entire message, use syntax like "
+      "\"foo = { <proto text format> }\". To set fields within it, use "
+      "syntax like \"foo.foo = value\".\n");
+}
 
-    "foo.proto: foo.proto: OPTION_NAME: Option field \"(bar)\" cannot be of "
-    "message type.\n");
+TEST_F(ValidationErrorTest, AggregateValueParseError) {
+  BuildDescriptorMessagesInTestPool();
+
+  BuildFileWithErrors(
+      EmbedAggregateValue("aggregate_value: \"1+2\""),
+      "foo.proto: foo.proto: OPTION_VALUE: Error while parsing option "
+      "value for \"foo\": Expected identifier.\n");
+}
+
+TEST_F(ValidationErrorTest, AggregateValueUnknownFields) {
+  BuildDescriptorMessagesInTestPool();
+
+  BuildFileWithErrors(
+      EmbedAggregateValue("aggregate_value: \"x:100\""),
+      "foo.proto: foo.proto: OPTION_VALUE: Error while parsing option "
+      "value for \"foo\": Message type \"Foo\" has no field named \"x\".\n");
 }
 
 TEST_F(ValidationErrorTest, NotLiteImportsLite) {
@@ -3483,11 +3896,25 @@ TEST_F(ValidationErrorTest, LiteExtendsNotLite) {
 TEST_F(ValidationErrorTest, NoLiteServices) {
   BuildFileWithErrors(
     "name: \"foo.proto\" "
-    "options { optimize_for: LITE_RUNTIME } "
+    "options {"
+    "  optimize_for: LITE_RUNTIME"
+    "  cc_generic_services: true"
+    "  java_generic_services: true"
+    "} "
     "service { name: \"Foo\" }",
 
     "foo.proto: Foo: NAME: Files with optimize_for = LITE_RUNTIME cannot "
-    "define services.\n");
+    "define services unless you set both options cc_generic_services and "
+    "java_generic_sevices to false.\n");
+
+  BuildFile(
+    "name: \"bar.proto\" "
+    "options {"
+    "  optimize_for: LITE_RUNTIME"
+    "  cc_generic_services: false"
+    "  java_generic_services: false"
+    "} "
+    "service { name: \"Bar\" }");
 }
 
 TEST_F(ValidationErrorTest, RollbackAfterError) {
@@ -3514,7 +3941,8 @@ TEST_F(ValidationErrorTest, RollbackAfterError) {
     "  }"
     "}",
 
-    "foo.proto: TestService.Baz: INPUT_TYPE: \"NoSuchType\" is not defined.\n");
+    "foo.proto: TestService.Baz: INPUT_TYPE: \"NoSuchType\" is not defined.\n"
+    );
 
   // Make sure that if we build the same file again with the error fixed,
   // it works.  If the above rollback was incomplete, then some symbols will
@@ -3563,6 +3991,21 @@ TEST_F(ValidationErrorTest, ErrorsReportedToLogError) {
   EXPECT_EQ("  Foo: \"Foo\" is already defined.", errors[1]);
 }
 
+TEST_F(ValidationErrorTest, DisallowEnumAlias) {
+  BuildFileWithErrors(
+    "name: \"foo.proto\" "
+    "enum_type {"
+    "  name: \"Bar\""
+    "  value { name:\"ENUM_A\" number:0 }"
+    "  value { name:\"ENUM_B\" number:0 }"
+    "  options { allow_alias: false }"
+    "}",
+    "foo.proto: Bar: NUMBER: "
+    "\"ENUM_B\" uses the same enum value as \"ENUM_A\". "
+    "If this is intended, set 'option allow_alias = true;' to the enum "
+    "definition.\n");
+}
+
 // ===================================================================
 // DescriptorDatabase
 
@@ -3581,16 +4024,23 @@ class DatabaseBackedPoolTest : public testing::Test {
 
   virtual void SetUp() {
     AddToDatabase(&database_,
-      "name: \"foo.proto\" "
-      "message_type { name:\"Foo\" extension_range { start: 1 end: 100 } } "
-      "enum_type { name:\"TestEnum\" value { name:\"DUMMY\" number:0 } } "
-      "service { name:\"TestService\" } ");
+      "name: 'foo.proto' "
+      "message_type { name:'Foo' extension_range { start: 1 end: 100 } } "
+      "enum_type { name:'TestEnum' value { name:'DUMMY' number:0 } } "
+      "service { name:'TestService' } ");
     AddToDatabase(&database_,
-      "name: \"bar.proto\" "
-      "dependency: \"foo.proto\" "
-      "message_type { name:\"Bar\" } "
-      "extension { name:\"foo_ext\" extendee: \".Foo\" number:5 "
+      "name: 'bar.proto' "
+      "dependency: 'foo.proto' "
+      "message_type { name:'Bar' } "
+      "extension { name:'foo_ext' extendee: '.Foo' number:5 "
       "            label:LABEL_OPTIONAL type:TYPE_INT32 } ");
+    // Baz has an undeclared dependency on Foo.
+    AddToDatabase(&database_,
+      "name: 'baz.proto' "
+      "message_type { "
+      "  name:'Baz' "
+      "  field { name:'foo' number:1 label:LABEL_OPTIONAL type_name:'Foo' } "
+      "}");
   }
 
   // We can't inject a file containing errors into a DescriptorPool, so we
@@ -3829,6 +4279,33 @@ TEST_F(DatabaseBackedPoolTest, ErrorWithErrorCollector) {
     error_collector.text_);
 }
 
+TEST_F(DatabaseBackedPoolTest, UndeclaredDependencyOnUnbuiltType) {
+  // Check that we find and report undeclared dependencies on types that exist
+  // in the descriptor database but that have not not been built yet.
+  MockErrorCollector error_collector;
+  DescriptorPool pool(&database_, &error_collector);
+  EXPECT_TRUE(pool.FindMessageTypeByName("Baz") == NULL);
+  EXPECT_EQ(
+    "baz.proto: Baz.foo: TYPE: \"Foo\" seems to be defined in \"foo.proto\", "
+    "which is not imported by \"baz.proto\".  To use it here, please add "
+    "the necessary import.\n",
+    error_collector.text_);
+}
+
+TEST_F(DatabaseBackedPoolTest, RollbackAfterError) {
+  // Make sure that all traces of bad types are removed from the pool. This used
+  // to be b/4529436, due to the fact that a symbol resolution failure could
+  // potentially cause another file to be recursively built, which would trigger
+  // a checkpoint _past_ possibly invalid symbols.
+  // Baz is defined in the database, but the file is invalid because it is
+  // missing a necessary import.
+  DescriptorPool pool(&database_);
+  EXPECT_TRUE(pool.FindMessageTypeByName("Baz") == NULL);
+  // Make sure that searching again for the file or the type fails.
+  EXPECT_TRUE(pool.FindFileByName("baz.proto") == NULL);
+  EXPECT_TRUE(pool.FindMessageTypeByName("Baz") == NULL);
+}
+
 TEST_F(DatabaseBackedPoolTest, UnittestProto) {
   // Try to load all of unittest.proto from a DescriptorDatabase.  This should
   // thoroughly test all paths through DescriptorBuilder to insure that there
@@ -3885,6 +4362,16 @@ TEST_F(DatabaseBackedPoolTest, DoesntRetryDbUnnecessarily) {
   EXPECT_TRUE(file->FindEnumValueByName("NO_SUCH_VALUE") == NULL);
   EXPECT_TRUE(file->FindServiceByName("NO_SUCH_VALUE") == NULL);
   EXPECT_TRUE(file->FindExtensionByName("no_such_extension") == NULL);
+
+  EXPECT_TRUE(pool.FindFileContainingSymbol("Foo.no.such.field") == NULL);
+  EXPECT_TRUE(pool.FindFileContainingSymbol("Foo.no_such_field") == NULL);
+  EXPECT_TRUE(pool.FindMessageTypeByName("Foo.NoSuchMessageType") == NULL);
+  EXPECT_TRUE(pool.FindFieldByName("Foo.no_such_field") == NULL);
+  EXPECT_TRUE(pool.FindExtensionByName("Foo.no_such_extension") == NULL);
+  EXPECT_TRUE(pool.FindEnumTypeByName("Foo.NoSuchEnumType") == NULL);
+  EXPECT_TRUE(pool.FindEnumValueByName("Foo.NO_SUCH_VALUE") == NULL);
+  EXPECT_TRUE(pool.FindMethodByName("TestService.NoSuchMethod") == NULL);
+
   EXPECT_EQ(0, call_counter.call_count_);
 }
 
@@ -3950,6 +4437,219 @@ TEST_F(DatabaseBackedPoolTest, DoesntFallbackOnWrongType) {
 
 // ===================================================================
 
+class AbortingErrorCollector : public DescriptorPool::ErrorCollector {
+ public:
+  AbortingErrorCollector() {}
+
+  virtual void AddError(
+      const string &filename,
+      const string &element_name,
+      const Message *message,
+      ErrorLocation location,
+      const string &error_message) {
+    GOOGLE_LOG(FATAL) << "AddError() called unexpectedly: " << filename << ": "
+               << error_message;
+  }
+ private:
+  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(AbortingErrorCollector);
+};
+
+// A source tree containing only one file.
+class SingletonSourceTree : public compiler::SourceTree {
+ public:
+  SingletonSourceTree(const string& filename, const string& contents)
+      : filename_(filename), contents_(contents) {}
+
+  virtual io::ZeroCopyInputStream* Open(const string& filename) {
+    return filename == filename_ ?
+        new io::ArrayInputStream(contents_.data(), contents_.size()) : NULL;
+  }
+
+ private:
+  const string filename_;
+  const string contents_;
+
+  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(SingletonSourceTree);
+};
+
+const char *const kSourceLocationTestInput =
+  "syntax = \"proto2\";\n"
+  "message A {\n"
+  "  optional int32 a = 1;\n"
+  "  message B {\n"
+  "    required double b = 1;\n"
+  "  }\n"
+  "}\n"
+  "enum Indecision {\n"
+  "  YES   = 1;\n"
+  "  NO    = 2;\n"
+  "  MAYBE = 3;\n"
+  "}\n"
+  "service S {\n"
+  "  rpc Method(A) returns (A.B);\n"
+  // Put an empty line here to make the source location range match.
+  "\n"
+  "}\n";
+
+class SourceLocationTest : public testing::Test {
+ public:
+  SourceLocationTest()
+      : source_tree_("/test/test.proto", kSourceLocationTestInput),
+        db_(&source_tree_),
+        pool_(&db_, &collector_) {}
+
+  static string PrintSourceLocation(const SourceLocation &loc) {
+    return strings::Substitute("$0:$1-$2:$3",
+                               1 + loc.start_line,
+                               1 + loc.start_column,
+                               1 + loc.end_line,
+                               1 + loc.end_column);
+  }
+
+ private:
+  AbortingErrorCollector collector_;
+  SingletonSourceTree source_tree_;
+  compiler::SourceTreeDescriptorDatabase db_;
+
+ protected:
+  DescriptorPool pool_;
+};
+
+// TODO(adonovan): implement support for option fields and for
+// subparts of declarations.
+
+TEST_F(SourceLocationTest, GetSourceLocation) {
+  SourceLocation loc;
+
+  const FileDescriptor *file_desc =
+      GOOGLE_CHECK_NOTNULL(pool_.FindFileByName("/test/test.proto"));
+
+  const Descriptor *a_desc = file_desc->FindMessageTypeByName("A");
+  EXPECT_TRUE(a_desc->GetSourceLocation(&loc));
+  EXPECT_EQ("2:1-7:2", PrintSourceLocation(loc));
+
+  const Descriptor *a_b_desc = a_desc->FindNestedTypeByName("B");
+  EXPECT_TRUE(a_b_desc->GetSourceLocation(&loc));
+  EXPECT_EQ("4:3-6:4", PrintSourceLocation(loc));
+
+  const EnumDescriptor *e_desc = file_desc->FindEnumTypeByName("Indecision");
+  EXPECT_TRUE(e_desc->GetSourceLocation(&loc));
+  EXPECT_EQ("8:1-12:2", PrintSourceLocation(loc));
+
+  const EnumValueDescriptor *yes_desc = e_desc->FindValueByName("YES");
+  EXPECT_TRUE(yes_desc->GetSourceLocation(&loc));
+  EXPECT_EQ("9:3-9:13", PrintSourceLocation(loc));
+
+  const ServiceDescriptor *s_desc = file_desc->FindServiceByName("S");
+  EXPECT_TRUE(s_desc->GetSourceLocation(&loc));
+  EXPECT_EQ("13:1-16:2", PrintSourceLocation(loc));
+
+  const MethodDescriptor *m_desc = s_desc->FindMethodByName("Method");
+  EXPECT_TRUE(m_desc->GetSourceLocation(&loc));
+  EXPECT_EQ("14:3-14:31", PrintSourceLocation(loc));
+
+}
+
+// Missing SourceCodeInfo doesn't cause crash:
+TEST_F(SourceLocationTest, GetSourceLocation_MissingSourceCodeInfo) {
+  SourceLocation loc;
+
+  const FileDescriptor *file_desc =
+      GOOGLE_CHECK_NOTNULL(pool_.FindFileByName("/test/test.proto"));
+
+  FileDescriptorProto proto;
+  file_desc->CopyTo(&proto);  // Note, this discards the SourceCodeInfo.
+  EXPECT_FALSE(proto.has_source_code_info());
+
+  DescriptorPool bad1_pool(&pool_);
+  const FileDescriptor* bad1_file_desc =
+      GOOGLE_CHECK_NOTNULL(bad1_pool.BuildFile(proto));
+  const Descriptor *bad1_a_desc = bad1_file_desc->FindMessageTypeByName("A");
+  EXPECT_FALSE(bad1_a_desc->GetSourceLocation(&loc));
+}
+
+// Corrupt SourceCodeInfo doesn't cause crash:
+TEST_F(SourceLocationTest, GetSourceLocation_BogusSourceCodeInfo) {
+  SourceLocation loc;
+
+  const FileDescriptor *file_desc =
+      GOOGLE_CHECK_NOTNULL(pool_.FindFileByName("/test/test.proto"));
+
+  FileDescriptorProto proto;
+  file_desc->CopyTo(&proto);  // Note, this discards the SourceCodeInfo.
+  EXPECT_FALSE(proto.has_source_code_info());
+  SourceCodeInfo_Location *loc_msg =
+      proto.mutable_source_code_info()->add_location();
+  loc_msg->add_path(1);
+  loc_msg->add_path(2);
+  loc_msg->add_path(3);
+  loc_msg->add_span(4);
+  loc_msg->add_span(5);
+  loc_msg->add_span(6);
+
+  DescriptorPool bad2_pool(&pool_);
+  const FileDescriptor* bad2_file_desc =
+      GOOGLE_CHECK_NOTNULL(bad2_pool.BuildFile(proto));
+  const Descriptor *bad2_a_desc = bad2_file_desc->FindMessageTypeByName("A");
+  EXPECT_FALSE(bad2_a_desc->GetSourceLocation(&loc));
+}
+
+// ===================================================================
+
+const char* const kCopySourceCodeInfoToTestInput =
+  "syntax = \"proto2\";\n"
+  "message Foo {}\n";
+
+// Required since source code information is not preserved by
+// FileDescriptorTest.
+class CopySourceCodeInfoToTest : public testing::Test {
+ public:
+  CopySourceCodeInfoToTest()
+      : source_tree_("/test/test.proto", kCopySourceCodeInfoToTestInput),
+        db_(&source_tree_),
+        pool_(&db_, &collector_) {}
+
+ private:
+  AbortingErrorCollector collector_;
+  SingletonSourceTree source_tree_;
+  compiler::SourceTreeDescriptorDatabase db_;
+
+ protected:
+  DescriptorPool pool_;
+};
+
+TEST_F(CopySourceCodeInfoToTest, CopyTo_DoesNotCopySourceCodeInfo) {
+  const FileDescriptor* file_desc =
+      GOOGLE_CHECK_NOTNULL(pool_.FindFileByName("/test/test.proto"));
+  FileDescriptorProto file_desc_proto;
+  ASSERT_FALSE(file_desc_proto.has_source_code_info());
+
+  file_desc->CopyTo(&file_desc_proto);
+  EXPECT_FALSE(file_desc_proto.has_source_code_info());
+}
+
+TEST_F(CopySourceCodeInfoToTest, CopySourceCodeInfoTo) {
+  const FileDescriptor* file_desc =
+      GOOGLE_CHECK_NOTNULL(pool_.FindFileByName("/test/test.proto"));
+  FileDescriptorProto file_desc_proto;
+  ASSERT_FALSE(file_desc_proto.has_source_code_info());
+
+  file_desc->CopySourceCodeInfoTo(&file_desc_proto);
+  const SourceCodeInfo& info = file_desc_proto.source_code_info();
+  ASSERT_EQ(3, info.location_size());
+  // Get the Foo message location
+  const SourceCodeInfo_Location& foo_location = info.location(1);
+  ASSERT_EQ(2, foo_location.path_size());
+  EXPECT_EQ(FileDescriptorProto::kMessageTypeFieldNumber, foo_location.path(0));
+  EXPECT_EQ(0, foo_location.path(1));      // Foo is the first message defined
+  ASSERT_EQ(3, foo_location.span_size());  // Foo spans one line
+  EXPECT_EQ(1, foo_location.span(0));      // Foo is declared on line 1
+  EXPECT_EQ(0, foo_location.span(1));      // Foo starts at column 0
+  EXPECT_EQ(14, foo_location.span(2));     // Foo ends on column 14
+}
+
+// ===================================================================
+
 
 }  // namespace descriptor_unittest
 }  // namespace protobuf
diff --git a/common/protobuf-2.3.0/src/google/protobuf/dynamic_message.cc b/common/protobuf-2.5.0/src/google/protobuf/dynamic_message.cc
similarity index 95%
rename from common/protobuf-2.3.0/src/google/protobuf/dynamic_message.cc
rename to common/protobuf-2.5.0/src/google/protobuf/dynamic_message.cc
index c711a2da..09bec543 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/dynamic_message.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/dynamic_message.cc
@@ -123,7 +123,9 @@ int FieldSpaceUsed(const FieldDescriptor* field) {
       case FD::CPPTYPE_FLOAT  : return sizeof(float   );
       case FD::CPPTYPE_BOOL   : return sizeof(bool    );
       case FD::CPPTYPE_ENUM   : return sizeof(int     );
-      case FD::CPPTYPE_MESSAGE: return sizeof(Message*);
+
+      case FD::CPPTYPE_MESSAGE:
+        return sizeof(Message*);
 
       case FD::CPPTYPE_STRING:
         switch (field->options().ctype()) {
@@ -178,7 +180,17 @@ class DynamicMessage : public Message {
     //   important (the prototype must be deleted *before* the offsets).
     scoped_array<int> offsets;
     scoped_ptr<const GeneratedMessageReflection> reflection;
-    scoped_ptr<const DynamicMessage> prototype;
+    // Don't use a scoped_ptr to hold the prototype: the destructor for
+    // DynamicMessage needs to know whether it is the prototype, and does so by
+    // looking back at this field. This would assume details about the
+    // implementation of scoped_ptr.
+    const DynamicMessage* prototype;
+
+    TypeInfo() : prototype(NULL) {}
+
+    ~TypeInfo() {
+      delete prototype;
+    }
   };
 
   DynamicMessage(const TypeInfo* type_info);
@@ -368,11 +380,12 @@ DynamicMessage::~DynamicMessage() {
           break;
         }
       }
-    } else if ((field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) &&
-               !is_prototype()) {
-      Message* message = *reinterpret_cast<Message**>(field_ptr);
-      if (message != NULL) {
-        delete message;
+    } else if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) {
+      if (!is_prototype()) {
+        Message* message = *reinterpret_cast<Message**>(field_ptr);
+        if (message != NULL) {
+          delete message;
+        }
       }
     }
   }
@@ -403,7 +416,7 @@ void DynamicMessage::CrossLinkPrototypes() {
 }
 
 Message* DynamicMessage::New() const {
-  void* new_base = reinterpret_cast<uint8*>(operator new(type_info_->size));
+  void* new_base = operator new(type_info_->size);
   memset(new_base, 0, type_info_->size);
   return new(new_base) DynamicMessage(type_info_);
 }
@@ -465,7 +478,7 @@ const Message* DynamicMessageFactory::GetPrototypeNoLock(
   const DynamicMessage::TypeInfo** target = &prototypes_->map_[type];
   if (*target != NULL) {
     // Already exists.
-    return (*target)->prototype.get();
+    return (*target)->prototype;
   }
 
   DynamicMessage::TypeInfo* type_info = new DynamicMessage::TypeInfo;
@@ -533,13 +546,13 @@ const Message* DynamicMessageFactory::GetPrototypeNoLock(
   void* base = operator new(size);
   memset(base, 0, size);
   DynamicMessage* prototype = new(base) DynamicMessage(type_info);
-  type_info->prototype.reset(prototype);
+  type_info->prototype = prototype;
 
   // Construct the reflection object.
   type_info->reflection.reset(
     new GeneratedMessageReflection(
       type_info->type,
-      type_info->prototype.get(),
+      type_info->prototype,
       type_info->offsets.get(),
       type_info->has_bits_offset,
       type_info->unknown_fields_offset,
diff --git a/common/protobuf-2.3.0/src/google/protobuf/dynamic_message.h b/common/protobuf-2.5.0/src/google/protobuf/dynamic_message.h
similarity index 97%
rename from common/protobuf-2.3.0/src/google/protobuf/dynamic_message.h
rename to common/protobuf-2.5.0/src/google/protobuf/dynamic_message.h
index 81dd2c63..b3d1e5d2 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/dynamic_message.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/dynamic_message.h
@@ -68,7 +68,7 @@ class DescriptorPool;    // descriptor.h
 class LIBPROTOBUF_EXPORT DynamicMessageFactory : public MessageFactory {
  public:
   // Construct a DynamicMessageFactory that will search for extensions in
-  // the DescriptorPool in which the exendee is defined.
+  // the DescriptorPool in which the extendee is defined.
   DynamicMessageFactory();
 
   // Construct a DynamicMessageFactory that will search for extensions in
@@ -102,7 +102,7 @@ class LIBPROTOBUF_EXPORT DynamicMessageFactory : public MessageFactory {
   // object.  The returned object remains property of the factory and will
   // be destroyed when the factory is destroyed.  Also, any objects created
   // by calling the prototype's New() method share some data with the
-  // prototype, so these must be destoyed before the DynamicMessageFactory
+  // prototype, so these must be destroyed before the DynamicMessageFactory
   // is destroyed.
   //
   // The given descriptor must outlive the returned message, and hence must
diff --git a/common/protobuf-2.3.0/src/google/protobuf/dynamic_message_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/dynamic_message_unittest.cc
similarity index 96%
rename from common/protobuf-2.3.0/src/google/protobuf/dynamic_message_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/dynamic_message_unittest.cc
index 41b89ab5..e4615970 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/dynamic_message_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/dynamic_message_unittest.cc
@@ -73,11 +73,15 @@ class DynamicMessageTest : public testing::Test {
     // unittest_import.proto.
     FileDescriptorProto unittest_file;
     FileDescriptorProto unittest_import_file;
+    FileDescriptorProto unittest_import_public_file;
 
     unittest::TestAllTypes::descriptor()->file()->CopyTo(&unittest_file);
     unittest_import::ImportMessage::descriptor()->file()->CopyTo(
       &unittest_import_file);
+    unittest_import::PublicImportMessage::descriptor()->file()->CopyTo(
+      &unittest_import_public_file);
 
+    ASSERT_TRUE(pool_.BuildFile(unittest_import_public_file) != NULL);
     ASSERT_TRUE(pool_.BuildFile(unittest_import_file) != NULL);
     ASSERT_TRUE(pool_.BuildFile(unittest_file) != NULL);
 
diff --git a/common/protobuf-2.3.0/src/google/protobuf/extension_set.cc b/common/protobuf-2.5.0/src/google/protobuf/extension_set.cc
similarity index 87%
rename from common/protobuf-2.3.0/src/google/protobuf/extension_set.cc
rename to common/protobuf-2.5.0/src/google/protobuf/extension_set.cc
index 6084885b..2cbba8f5 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/extension_set.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/extension_set.cc
@@ -71,7 +71,7 @@ void DeleteRegistry() {
 
 void InitRegistry() {
   registry_ = new ExtensionRegistry;
-  internal::OnShutdown(&DeleteRegistry);
+  OnShutdown(&DeleteRegistry);
 }
 
 // This function is only called at startup, so there is no need for thread-
@@ -180,12 +180,35 @@ bool ExtensionSet::Has(int number) const {
   return !iter->second.is_cleared;
 }
 
+int ExtensionSet::NumExtensions() const {
+  int result = 0;
+  for (map<int, Extension>::const_iterator iter = extensions_.begin();
+       iter != extensions_.end(); ++iter) {
+    if (!iter->second.is_cleared) {
+      ++result;
+    }
+  }
+  return result;
+}
+
 int ExtensionSet::ExtensionSize(int number) const {
   map<int, Extension>::const_iterator iter = extensions_.find(number);
   if (iter == extensions_.end()) return false;
   return iter->second.GetSize();
 }
 
+FieldType ExtensionSet::ExtensionType(int number) const {
+  map<int, Extension>::const_iterator iter = extensions_.find(number);
+  if (iter == extensions_.end()) {
+    GOOGLE_LOG(DFATAL) << "Don't lookup extension types if they aren't present (1). ";
+    return 0;
+  }
+  if (iter->second.is_cleared) {
+    GOOGLE_LOG(DFATAL) << "Don't lookup extension types if they aren't present (2). ";
+  }
+  return iter->second.type;
+}
+
 void ExtensionSet::ClearExtension(int number) {
   map<int, Extension>::iterator iter = extensions_.find(number);
   if (iter == extensions_.end()) return;
@@ -281,6 +304,14 @@ PRIMITIVE_ACCESSORS(  BOOL,   bool,   Bool)
 
 #undef PRIMITIVE_ACCESSORS
 
+void* ExtensionSet::MutableRawRepeatedField(int number) {
+  // We assume that all the RepeatedField<>* pointers have the same
+  // size and alignment within the anonymous union in Extension.
+  map<int, Extension>::const_iterator iter = extensions_.find(number);
+  GOOGLE_CHECK(iter != extensions_.end()) << "no extension numbered " << number;
+  return iter->second.repeated_int32_value;
+}
+
 // -------------------------------------------------------------------
 // Enums
 
@@ -410,7 +441,11 @@ const MessageLite& ExtensionSet::GetMessage(
     return default_value;
   } else {
     GOOGLE_DCHECK_TYPE(iter->second, OPTIONAL, MESSAGE);
-    return *iter->second.message_value;
+    if (iter->second.is_lazy) {
+      return iter->second.lazymessage_value->GetMessage(default_value);
+    } else {
+      return *iter->second.message_value;
+    }
   }
 }
 
@@ -427,12 +462,19 @@ MessageLite* ExtensionSet::MutableMessage(int number, FieldType type,
     extension->type = type;
     GOOGLE_DCHECK_EQ(cpp_type(extension->type), WireFormatLite::CPPTYPE_MESSAGE);
     extension->is_repeated = false;
+    extension->is_lazy = false;
     extension->message_value = prototype.New();
+    extension->is_cleared = false;
+    return extension->message_value;
   } else {
     GOOGLE_DCHECK_TYPE(*extension, OPTIONAL, MESSAGE);
+    extension->is_cleared = false;
+    if (extension->is_lazy) {
+      return extension->lazymessage_value->MutableMessage(prototype);
+    } else {
+      return extension->message_value;
+    }
   }
-  extension->is_cleared = false;
-  return extension->message_value;
 }
 
 // Defined in extension_set_heavy.cc.
@@ -440,6 +482,56 @@ MessageLite* ExtensionSet::MutableMessage(int number, FieldType type,
 //                                           const Descriptor* message_type,
 //                                           MessageFactory* factory)
 
+void ExtensionSet::SetAllocatedMessage(int number, FieldType type,
+                                       const FieldDescriptor* descriptor,
+                                       MessageLite* message) {
+  if (message == NULL) {
+    ClearExtension(number);
+    return;
+  }
+  Extension* extension;
+  if (MaybeNewExtension(number, descriptor, &extension)) {
+    extension->type = type;
+    GOOGLE_DCHECK_EQ(cpp_type(extension->type), WireFormatLite::CPPTYPE_MESSAGE);
+    extension->is_repeated = false;
+    extension->is_lazy = false;
+    extension->message_value = message;
+  } else {
+    GOOGLE_DCHECK_TYPE(*extension, OPTIONAL, MESSAGE);
+    if (extension->is_lazy) {
+      extension->lazymessage_value->SetAllocatedMessage(message);
+    } else {
+      delete extension->message_value;
+      extension->message_value = message;
+    }
+  }
+  extension->is_cleared = false;
+}
+
+MessageLite* ExtensionSet::ReleaseMessage(int number,
+                                          const MessageLite& prototype) {
+  map<int, Extension>::iterator iter = extensions_.find(number);
+  if (iter == extensions_.end()) {
+    // Not present.  Return NULL.
+    return NULL;
+  } else {
+    GOOGLE_DCHECK_TYPE(iter->second, OPTIONAL, MESSAGE);
+    MessageLite* ret = NULL;
+    if (iter->second.is_lazy) {
+      ret = iter->second.lazymessage_value->ReleaseMessage(prototype);
+      delete iter->second.lazymessage_value;
+    } else {
+      ret = iter->second.message_value;
+    }
+    extensions_.erase(number);
+    return ret;
+  }
+}
+
+// Defined in extension_set_heavy.cc.
+// MessageLite* ExtensionSet::ReleaseMessage(const FieldDescriptor* descriptor,
+//                                           MessageFactory* factory);
+
 const MessageLite& ExtensionSet::GetRepeatedMessage(
     int number, int index) const {
   map<int, Extension>::const_iterator iter = extensions_.find(number);
@@ -472,7 +564,7 @@ MessageLite* ExtensionSet::AddMessage(int number, FieldType type,
   // RepeatedPtrField<MessageLite> does not know how to Add() since it cannot
   // allocate an abstract object, so we have to be tricky.
   MessageLite* result = extension->repeated_message_value
-      ->AddFromCleared<internal::GenericTypeHandler<MessageLite> >();
+      ->AddFromCleared<GenericTypeHandler<MessageLite> >();
   if (result == NULL) {
     result = prototype.New();
     extension->repeated_message_value->AddAllocated(result);
@@ -528,6 +620,16 @@ void ExtensionSet::RemoveLast(int number) {
   }
 }
 
+MessageLite* ExtensionSet::ReleaseLast(int number) {
+  map<int, Extension>::iterator iter = extensions_.find(number);
+  GOOGLE_CHECK(iter != extensions_.end()) << "Index out-of-bounds (field is empty).";
+
+  Extension* extension = &iter->second;
+  GOOGLE_DCHECK(extension->is_repeated);
+  GOOGLE_DCHECK(cpp_type(extension->type) == WireFormatLite::CPPTYPE_MESSAGE);
+  return extension->repeated_message_value->ReleaseLast();
+}
+
 void ExtensionSet::SwapElements(int number, int index1, int index2) {
   map<int, Extension>::iterator iter = extensions_.find(number);
   GOOGLE_CHECK(iter != extensions_.end()) << "Index out-of-bounds (field is empty).";
@@ -590,9 +692,11 @@ void ExtensionSet::MergeFrom(const ExtensionSet& other) {
       if (is_new) {
         // Extension did not already exist in set.
         extension->type = other_extension.type;
+        extension->is_packed = other_extension.is_packed;
         extension->is_repeated = true;
       } else {
         GOOGLE_DCHECK_EQ(extension->type, other_extension.type);
+        GOOGLE_DCHECK_EQ(extension->is_packed, other_extension.is_packed);
         GOOGLE_DCHECK(extension->is_repeated);
       }
 
@@ -663,12 +767,55 @@ void ExtensionSet::MergeFrom(const ExtensionSet& other) {
                       *other_extension.string_value,
                       other_extension.descriptor);
             break;
-          case WireFormatLite::CPPTYPE_MESSAGE:
-            MutableMessage(iter->first, other_extension.type,
-                           *other_extension.message_value,
-                           other_extension.descriptor)
-              ->CheckTypeAndMergeFrom(*other_extension.message_value);
+          case WireFormatLite::CPPTYPE_MESSAGE: {
+            Extension* extension;
+            bool is_new = MaybeNewExtension(iter->first,
+                                            other_extension.descriptor,
+                                            &extension);
+            if (is_new) {
+              extension->type = other_extension.type;
+              extension->is_packed = other_extension.is_packed;
+              extension->is_repeated = false;
+              if (other_extension.is_lazy) {
+                extension->is_lazy = true;
+                extension->lazymessage_value =
+                    other_extension.lazymessage_value->New();
+                extension->lazymessage_value->MergeFrom(
+                    *other_extension.lazymessage_value);
+              } else {
+                extension->is_lazy = false;
+                extension->message_value =
+                    other_extension.message_value->New();
+                extension->message_value->CheckTypeAndMergeFrom(
+                    *other_extension.message_value);
+              }
+            } else {
+              GOOGLE_DCHECK_EQ(extension->type, other_extension.type);
+              GOOGLE_DCHECK_EQ(extension->is_packed,other_extension.is_packed);
+              GOOGLE_DCHECK(!extension->is_repeated);
+              if (other_extension.is_lazy) {
+                if (extension->is_lazy) {
+                  extension->lazymessage_value->MergeFrom(
+                      *other_extension.lazymessage_value);
+                } else {
+                  extension->message_value->CheckTypeAndMergeFrom(
+                      other_extension.lazymessage_value->GetMessage(
+                          *extension->message_value));
+                }
+              } else {
+                if (extension->is_lazy) {
+                  extension->lazymessage_value->MutableMessage(
+                      *other_extension.message_value)->CheckTypeAndMergeFrom(
+                          *other_extension.message_value);
+                } else {
+                  extension->message_value->CheckTypeAndMergeFrom(
+                      *other_extension.message_value);
+                }
+              }
+            }
+            extension->is_cleared = false;
             break;
+          }
         }
       }
     }
@@ -694,7 +841,11 @@ bool ExtensionSet::IsInitialized() const {
         }
       } else {
         if (!extension.is_cleared) {
-          if (!extension.message_value->IsInitialized()) return false;
+          if (extension.is_lazy) {
+            if (!extension.lazymessage_value->IsInitialized()) return false;
+          } else {
+            if (!extension.message_value->IsInitialized()) return false;
+          }
         }
       }
     }
@@ -703,27 +854,42 @@ bool ExtensionSet::IsInitialized() const {
   return true;
 }
 
-bool ExtensionSet::ParseField(uint32 tag, io::CodedInputStream* input,
-                              ExtensionFinder* extension_finder,
-                              FieldSkipper* field_skipper) {
-  int number = WireFormatLite::GetTagFieldNumber(tag);
+bool ExtensionSet::FindExtensionInfoFromTag(
+    uint32 tag, ExtensionFinder* extension_finder,
+    int* field_number, ExtensionInfo* extension) {
+  *field_number = WireFormatLite::GetTagFieldNumber(tag);
   WireFormatLite::WireType wire_type = WireFormatLite::GetTagWireType(tag);
 
-  ExtensionInfo extension;
   bool is_unknown;
-  if (!extension_finder->Find(number, &extension)) {
+  if (!extension_finder->Find(*field_number, extension)) {
     is_unknown = true;
-  } else if (extension.is_packed) {
+  } else if (extension->is_packed) {
     is_unknown = (wire_type != WireFormatLite::WIRETYPE_LENGTH_DELIMITED);
   } else {
     WireFormatLite::WireType expected_wire_type =
-        WireFormatLite::WireTypeForFieldType(real_type(extension.type));
+        WireFormatLite::WireTypeForFieldType(real_type(extension->type));
     is_unknown = (wire_type != expected_wire_type);
   }
+  return !is_unknown;
+}
 
-  if (is_unknown) {
-    field_skipper->SkipField(input, tag);
-  } else if (extension.is_packed) {
+bool ExtensionSet::ParseField(uint32 tag, io::CodedInputStream* input,
+                              ExtensionFinder* extension_finder,
+                              FieldSkipper* field_skipper) {
+  int number;
+  ExtensionInfo extension;
+  if (!FindExtensionInfoFromTag(tag, extension_finder, &number, &extension)) {
+    return field_skipper->SkipField(input, tag);
+  } else {
+    return ParseFieldWithExtensionInfo(number, extension, input, field_skipper);
+  }
+}
+
+bool ExtensionSet::ParseFieldWithExtensionInfo(
+    int number, const ExtensionInfo& extension,
+    io::CodedInputStream* input,
+    FieldSkipper* field_skipper) {
+  if (extension.is_packed) {
     uint32 size;
     if (!input->ReadVarint32(&size)) return false;
     io::CodedInputStream::Limit limit = input->PushLimit(size);
@@ -840,8 +1006,8 @@ bool ExtensionSet::ParseField(uint32 tag, io::CodedInputStream* input,
 
       case WireFormatLite::TYPE_BYTES:  {
         string* value = extension.is_repeated ?
-          AddString(number, WireFormatLite::TYPE_STRING, extension.descriptor) :
-          MutableString(number, WireFormatLite::TYPE_STRING,
+          AddString(number, WireFormatLite::TYPE_BYTES, extension.descriptor) :
+          MutableString(number, WireFormatLite::TYPE_BYTES,
                         extension.descriptor);
         if (!WireFormatLite::ReadBytes(input, value)) return false;
         break;
@@ -884,120 +1050,11 @@ bool ExtensionSet::ParseField(uint32 tag, io::CodedInputStream* input,
 //                               const MessageLite* containing_type,
 //                               UnknownFieldSet* unknown_fields)
 
-bool ExtensionSet::ParseMessageSet(io::CodedInputStream* input,
-                                   ExtensionFinder* extension_finder,
-                                   FieldSkipper* field_skipper) {
-  while (true) {
-    uint32 tag = input->ReadTag();
-    switch (tag) {
-      case 0:
-        return true;
-      case WireFormatLite::kMessageSetItemStartTag:
-        if (!ParseMessageSetItem(input, extension_finder, field_skipper)) {
-          return false;
-        }
-        break;
-      default:
-        if (!ParseField(tag, input, extension_finder, field_skipper)) {
-          return false;
-        }
-        break;
-    }
-  }
-}
-
-bool ExtensionSet::ParseMessageSet(io::CodedInputStream* input,
-                                   const MessageLite* containing_type) {
-  FieldSkipper skipper;
-  GeneratedExtensionFinder finder(containing_type);
-  return ParseMessageSet(input, &finder, &skipper);
-}
-
 // Defined in extension_set_heavy.cc.
 // bool ExtensionSet::ParseMessageSet(io::CodedInputStream* input,
 //                                    const MessageLite* containing_type,
 //                                    UnknownFieldSet* unknown_fields);
 
-bool ExtensionSet::ParseMessageSetItem(io::CodedInputStream* input,
-                                       ExtensionFinder* extension_finder,
-                                       FieldSkipper* field_skipper) {
-  // TODO(kenton):  It would be nice to share code between this and
-  // WireFormatLite::ParseAndMergeMessageSetItem(), but I think the
-  // differences would be hard to factor out.
-
-  // This method parses a group which should contain two fields:
-  //   required int32 type_id = 2;
-  //   required data message = 3;
-
-  // Once we see a type_id, we'll construct a fake tag for this extension
-  // which is the tag it would have had under the proto2 extensions wire
-  // format.
-  uint32 fake_tag = 0;
-
-  // If we see message data before the type_id, we'll append it to this so
-  // we can parse it later.  This will probably never happen in practice,
-  // as no MessageSet encoder I know of writes the message before the type ID.
-  // But, it's technically valid so we should allow it.
-  // TODO(kenton):  Use a Cord instead?  Do I care?
-  string message_data;
-
-  while (true) {
-    uint32 tag = input->ReadTag();
-    if (tag == 0) return false;
-
-    switch (tag) {
-      case WireFormatLite::kMessageSetTypeIdTag: {
-        uint32 type_id;
-        if (!input->ReadVarint32(&type_id)) return false;
-        fake_tag = WireFormatLite::MakeTag(type_id,
-            WireFormatLite::WIRETYPE_LENGTH_DELIMITED);
-
-        if (!message_data.empty()) {
-          // We saw some message data before the type_id.  Have to parse it
-          // now.
-          io::CodedInputStream sub_input(
-              reinterpret_cast<const uint8*>(message_data.data()),
-              message_data.size());
-          if (!ParseField(fake_tag, &sub_input,
-                          extension_finder, field_skipper)) {
-            return false;
-          }
-          message_data.clear();
-        }
-
-        break;
-      }
-
-      case WireFormatLite::kMessageSetMessageTag: {
-        if (fake_tag == 0) {
-          // We haven't seen a type_id yet.  Append this data to message_data.
-          string temp;
-          uint32 length;
-          if (!input->ReadVarint32(&length)) return false;
-          if (!input->ReadString(&temp, length)) return false;
-          message_data.append(temp);
-        } else {
-          // Already saw type_id, so we can parse this directly.
-          if (!ParseField(fake_tag, input,
-                          extension_finder, field_skipper)) {
-            return false;
-          }
-        }
-
-        break;
-      }
-
-      case WireFormatLite::kMessageSetItemEndTag: {
-        return true;
-      }
-
-      default: {
-        if (!field_skipper->SkipField(input, tag)) return false;
-      }
-    }
-  }
-}
-
 void ExtensionSet::SerializeWithCachedSizes(
     int start_field_number, int end_field_number,
     io::CodedOutputStream* output) const {
@@ -1009,14 +1066,6 @@ void ExtensionSet::SerializeWithCachedSizes(
   }
 }
 
-void ExtensionSet::SerializeMessageSetWithCachedSizes(
-    io::CodedOutputStream* output) const {
-  map<int, Extension>::const_iterator iter;
-  for (iter = extensions_.begin(); iter != extensions_.end(); ++iter) {
-    iter->second.SerializeMessageSetItemWithCachedSizes(iter->first, output);
-  }
-}
-
 int ExtensionSet::ByteSize() const {
   int total_size = 0;
 
@@ -1028,17 +1077,6 @@ int ExtensionSet::ByteSize() const {
   return total_size;
 }
 
-int ExtensionSet::MessageSetByteSize() const {
-  int total_size = 0;
-
-  for (map<int, Extension>::const_iterator iter = extensions_.begin();
-       iter != extensions_.end(); ++iter) {
-    total_size += iter->second.MessageSetItemByteSize(iter->first);
-  }
-
-  return total_size;
-}
-
 // Defined in extension_set_heavy.cc.
 // int ExtensionSet::SpaceUsedExcludingSelf() const
 
@@ -1082,7 +1120,11 @@ void ExtensionSet::Extension::Clear() {
           string_value->clear();
           break;
         case WireFormatLite::CPPTYPE_MESSAGE:
-          message_value->Clear();
+          if (is_lazy) {
+            lazymessage_value->Clear();
+          } else {
+            message_value->Clear();
+          }
           break;
         default:
           // No need to do anything.  Get*() will return the default value
@@ -1194,40 +1236,18 @@ void ExtensionSet::Extension::SerializeFieldWithCachedSizes(
       HANDLE_TYPE(   BYTES,    Bytes,  *string_value);
       HANDLE_TYPE(    ENUM,     Enum,     enum_value);
       HANDLE_TYPE(   GROUP,    Group, *message_value);
-      HANDLE_TYPE( MESSAGE,  Message, *message_value);
 #undef HANDLE_TYPE
+      case WireFormatLite::TYPE_MESSAGE:
+        if (is_lazy) {
+          lazymessage_value->WriteMessage(number, output);
+        } else {
+          WireFormatLite::WriteMessage(number, *message_value, output);
+        }
+        break;
     }
   }
 }
 
-void ExtensionSet::Extension::SerializeMessageSetItemWithCachedSizes(
-    int number,
-    io::CodedOutputStream* output) const {
-  if (type != WireFormatLite::TYPE_MESSAGE || is_repeated) {
-    // Not a valid MessageSet extension, but serialize it the normal way.
-    SerializeFieldWithCachedSizes(number, output);
-    return;
-  }
-
-  if (is_cleared) return;
-
-  // Start group.
-  output->WriteTag(WireFormatLite::kMessageSetItemStartTag);
-
-  // Write type ID.
-  WireFormatLite::WriteUInt32(WireFormatLite::kMessageSetTypeIdNumber,
-                              number,
-                              output);
-  // Write message.
-  WireFormatLite::WriteMessageMaybeToArray(
-      WireFormatLite::kMessageSetMessageNumber,
-      *message_value,
-      output);
-
-  // End group.
-  output->WriteTag(WireFormatLite::kMessageSetItemEndTag);
-}
-
 int ExtensionSet::Extension::ByteSize(int number) const {
   int result = 0;
 
@@ -1341,8 +1361,16 @@ int ExtensionSet::Extension::ByteSize(int number) const {
       HANDLE_TYPE(   BYTES,    Bytes,  *string_value);
       HANDLE_TYPE(    ENUM,     Enum,     enum_value);
       HANDLE_TYPE(   GROUP,    Group, *message_value);
-      HANDLE_TYPE( MESSAGE,  Message, *message_value);
 #undef HANDLE_TYPE
+      case WireFormatLite::TYPE_MESSAGE: {
+        if (is_lazy) {
+          int size = lazymessage_value->ByteSize();
+          result += io::CodedOutputStream::VarintSize32(size) + size;
+        } else {
+          result += WireFormatLite::MessageSize(*message_value);
+        }
+        break;
+      }
 
       // Stuff with fixed size.
 #define HANDLE_TYPE(UPPERCASE, CAMELCASE)                                 \
@@ -1363,29 +1391,6 @@ int ExtensionSet::Extension::ByteSize(int number) const {
   return result;
 }
 
-int ExtensionSet::Extension::MessageSetItemByteSize(int number) const {
-  if (type != WireFormatLite::TYPE_MESSAGE || is_repeated) {
-    // Not a valid MessageSet extension, but compute the byte size for it the
-    // normal way.
-    return ByteSize(number);
-  }
-
-  if (is_cleared) return 0;
-
-  int our_size = WireFormatLite::kMessageSetItemTagsSize;
-
-  // type_id
-  our_size += io::CodedOutputStream::VarintSize32(number);
-
-  // message
-  int message_size = message_value->ByteSize();
-
-  our_size += io::CodedOutputStream::VarintSize32(message_size);
-  our_size += message_size;
-
-  return our_size;
-}
-
 int ExtensionSet::Extension::GetSize() const {
   GOOGLE_DCHECK(is_repeated);
   switch (cpp_type(type)) {
@@ -1436,7 +1441,11 @@ void ExtensionSet::Extension::Free() {
         delete string_value;
         break;
       case WireFormatLite::CPPTYPE_MESSAGE:
-        delete message_value;
+        if (is_lazy) {
+          delete lazymessage_value;
+        } else {
+          delete message_value;
+        }
         break;
       default:
         break;
diff --git a/common/protobuf-2.3.0/src/google/protobuf/extension_set.h b/common/protobuf-2.5.0/src/google/protobuf/extension_set.h
similarity index 81%
rename from common/protobuf-2.3.0/src/google/protobuf/extension_set.h
rename to common/protobuf-2.5.0/src/google/protobuf/extension_set.h
index 14d5d150..df8f1f36 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/extension_set.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/extension_set.h
@@ -39,11 +39,11 @@
 #define GOOGLE_PROTOBUF_EXTENSION_SET_H__
 
 #include <vector>
-#include <stack>
 #include <map>
 #include <utility>
 #include <string>
 
+
 #include <google/protobuf/stubs/common.h>
 
 namespace google {
@@ -89,8 +89,8 @@ typedef bool EnumValidityFuncWithArg(const void* arg, int number);
 // Information about a registered extension.
 struct ExtensionInfo {
   inline ExtensionInfo() {}
-  inline ExtensionInfo(FieldType type, bool is_repeated, bool is_packed)
-      : type(type), is_repeated(is_repeated), is_packed(is_packed),
+  inline ExtensionInfo(FieldType type_param, bool isrepeated, bool ispacked)
+      : type(type_param), is_repeated(isrepeated), is_packed(ispacked),
         descriptor(NULL) {}
 
   FieldType type;
@@ -214,6 +214,8 @@ class LIBPROTOBUF_EXPORT ExtensionSet {
 
   bool Has(int number) const;
   int ExtensionSize(int number) const;   // Size of a repeated extension.
+  int NumExtensions() const;  // The number of extensions
+  FieldType ExtensionType(int number) const;
   void ClearExtension(int number);
 
   // singular fields -------------------------------------------------
@@ -250,10 +252,21 @@ class LIBPROTOBUF_EXPORT ExtensionSet {
                               const MessageLite& prototype, desc);
   MessageLite* MutableMessage(const FieldDescriptor* decsriptor,
                               MessageFactory* factory);
+  // Adds the given message to the ExtensionSet, taking ownership of the
+  // message object. Existing message with the same number will be deleted.
+  // If "message" is NULL, this is equivalent to "ClearExtension(number)".
+  void SetAllocatedMessage(int number, FieldType type,
+                           const FieldDescriptor* descriptor,
+                           MessageLite* message);
+  MessageLite* ReleaseMessage(int number, const MessageLite& prototype);
+  MessageLite* ReleaseMessage(const FieldDescriptor* descriptor,
+                              MessageFactory* factory);
 #undef desc
 
   // repeated fields -------------------------------------------------
 
+  void* MutableRawRepeatedField(int number);
+
   int32  GetRepeatedInt32 (int number, int index) const;
   int64  GetRepeatedInt64 (int number, int index) const;
   uint32 GetRepeatedUInt32(int number, int index) const;
@@ -295,6 +308,7 @@ class LIBPROTOBUF_EXPORT ExtensionSet {
 #undef desc
 
   void RemoveLast(int number);
+  MessageLite* ReleaseLast(int number);
   void SwapElements(int number, int index1, int index2);
 
   // -----------------------------------------------------------------
@@ -311,18 +325,18 @@ class LIBPROTOBUF_EXPORT ExtensionSet {
   void Swap(ExtensionSet* other);
   bool IsInitialized() const;
 
-  // Parses a single extension from the input.  The input should start out
-  // positioned immediately after the tag.  |containing_type| is the default
-  // instance for the containing message; it is used only to look up the
-  // extension by number.  See RegisterExtension(), above.  Unlike the other
-  // methods of ExtensionSet, this only works for generated message types --
-  // it looks up extensions registered using RegisterExtension().
+  // Parses a single extension from the input. The input should start out
+  // positioned immediately after the tag.
   bool ParseField(uint32 tag, io::CodedInputStream* input,
                   ExtensionFinder* extension_finder,
                   FieldSkipper* field_skipper);
 
   // Specific versions for lite or full messages (constructs the appropriate
-  // FieldSkipper automatically).
+  // FieldSkipper automatically).  |containing_type| is the default
+  // instance for the containing message; it is used only to look up the
+  // extension by number.  See RegisterExtension(), above.  Unlike the other
+  // methods of ExtensionSet, this only works for generated message types --
+  // it looks up extensions registered using RegisterExtension().
   bool ParseField(uint32 tag, io::CodedInputStream* input,
                   const MessageLite* containing_type);
   bool ParseField(uint32 tag, io::CodedInputStream* input,
@@ -381,18 +395,49 @@ class LIBPROTOBUF_EXPORT ExtensionSet {
 
  private:
 
+  // Interface of a lazily parsed singular message extension.
+  class LIBPROTOBUF_EXPORT LazyMessageExtension {
+   public:
+    LazyMessageExtension() {}
+    virtual ~LazyMessageExtension() {}
+
+    virtual LazyMessageExtension* New() const = 0;
+    virtual const MessageLite& GetMessage(
+        const MessageLite& prototype) const = 0;
+    virtual MessageLite* MutableMessage(const MessageLite& prototype) = 0;
+    virtual void SetAllocatedMessage(MessageLite *message) = 0;
+    virtual MessageLite* ReleaseMessage(const MessageLite& prototype) = 0;
+
+    virtual bool IsInitialized() const = 0;
+    virtual int ByteSize() const = 0;
+    virtual int SpaceUsed() const = 0;
+
+    virtual void MergeFrom(const LazyMessageExtension& other) = 0;
+    virtual void Clear() = 0;
+
+    virtual bool ReadMessage(const MessageLite& prototype,
+                             io::CodedInputStream* input) = 0;
+    virtual void WriteMessage(int number,
+                              io::CodedOutputStream* output) const = 0;
+    virtual uint8* WriteMessageToArray(int number, uint8* target) const = 0;
+   private:
+    GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(LazyMessageExtension);
+  };
   struct Extension {
+    // The order of these fields packs Extension into 24 bytes when using 8
+    // byte alignment. Consider this when adding or removing fields here.
     union {
-      int32        int32_value;
-      int64        int64_value;
-      uint32       uint32_value;
-      uint64       uint64_value;
-      float        float_value;
-      double       double_value;
-      bool         bool_value;
-      int          enum_value;
-      string*      string_value;
-      MessageLite* message_value;
+      int32                 int32_value;
+      int64                 int64_value;
+      uint32                uint32_value;
+      uint64                uint64_value;
+      float                 float_value;
+      double                double_value;
+      bool                  bool_value;
+      int                   enum_value;
+      string*               string_value;
+      MessageLite*          message_value;
+      LazyMessageExtension* lazymessage_value;
 
       RepeatedField   <int32      >* repeated_int32_value;
       RepeatedField   <int64      >* repeated_int64_value;
@@ -415,21 +460,28 @@ class LIBPROTOBUF_EXPORT ExtensionSet {
     // removing it from the map, we just set is_cleared = true.  This has no
     // meaning for repeated types; for those, the size of the RepeatedField
     // simply becomes zero when cleared.
-    bool is_cleared;
+    bool is_cleared : 4;
+
+    // For singular message types, indicates whether lazy parsing is enabled
+    // for this extension. This field is only valid when type == TYPE_MESSAGE
+    // and !is_repeated because we only support lazy parsing for singular
+    // message types currently. If is_lazy = true, the extension is stored in
+    // lazymessage_value. Otherwise, the extension will be message_value.
+    bool is_lazy : 4;
 
     // For repeated types, this indicates if the [packed=true] option is set.
     bool is_packed;
 
-    // The descriptor for this extension, if one exists and is known.  May be
-    // NULL.  Must not be NULL if the descriptor for the extension does not
-    // live in the same pool as the descriptor for the containing type.
-    const FieldDescriptor* descriptor;
-
     // For packed fields, the size of the packed data is recorded here when
     // ByteSize() is called then used during serialization.
     // TODO(kenton):  Use atomic<int> when C++ supports it.
     mutable int cached_size;
 
+    // The descriptor for this extension, if one exists and is known.  May be
+    // NULL.  Must not be NULL if the descriptor for the extension does not
+    // live in the same pool as the descriptor for the containing type.
+    const FieldDescriptor* descriptor;
+
     // Some helper methods for operations on a single Extension.
     void SerializeFieldWithCachedSizes(
         int number,
@@ -451,6 +503,26 @@ class LIBPROTOBUF_EXPORT ExtensionSet {
     int SpaceUsedExcludingSelf() const;
   };
 
+
+  // Returns true and fills field_number and extension if extension is found.
+  bool FindExtensionInfoFromTag(uint32 tag, ExtensionFinder* extension_finder,
+                                int* field_number, ExtensionInfo* extension);
+
+  // Parses a single extension from the input. The input should start out
+  // positioned immediately after the wire tag. This method is called in
+  // ParseField() after field number is extracted from the wire tag and
+  // ExtensionInfo is found by the field number.
+  bool ParseFieldWithExtensionInfo(int field_number,
+                                   const ExtensionInfo& extension,
+                                   io::CodedInputStream* input,
+                                   FieldSkipper* field_skipper);
+
+  // Like ParseField(), but this method may parse singular message extensions
+  // lazily depending on the value of FLAGS_eagerly_parse_message_sets.
+  bool ParseFieldMaybeLazily(uint32 tag, io::CodedInputStream* input,
+                             ExtensionFinder* extension_finder,
+                             FieldSkipper* field_skipper);
+
   // Gets the extension with the given number, creating it if it does not
   // already exist.  Returns true if the extension did not already exist.
   bool MaybeNewExtension(int number, const FieldDescriptor* descriptor,
@@ -479,7 +551,7 @@ class LIBPROTOBUF_EXPORT ExtensionSet {
   // only contain a small number of extensions whereas hash_map is optimized
   // for 100 elements or more.  Also, we want AppendToList() to order fields
   // by field number.
-  map<int, Extension> extensions_;
+  std::map<int, Extension> extensions_;
 
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ExtensionSet);
 };
@@ -718,6 +790,15 @@ class MessageTypeTraits {
     return static_cast<Type*>(
       set->MutableMessage(number, field_type, Type::default_instance(), NULL));
   }
+  static inline void SetAllocated(int number, FieldType field_type,
+                                  MutableType message, ExtensionSet* set) {
+    set->SetAllocatedMessage(number, field_type, NULL, message);
+  }
+  static inline MutableType Release(int number, FieldType field_type,
+                                    ExtensionSet* set) {
+    return static_cast<Type*>(set->ReleaseMessage(
+        number, Type::default_instance()));
+  }
 };
 
 template <typename Type>
@@ -785,113 +866,137 @@ class ExtensionIdentifier {
 // causes problems if the class has a nested message or enum type with that
 // name and "_TypeTraits" is technically reserved for the C++ library since
 // it starts with an underscore followed by a capital letter.
+//
+// For similar reason, we use "_field_type" and "_is_packed" as parameter names
+// below, so that "field_type" and "is_packed" can be used as field names.
 #define GOOGLE_PROTOBUF_EXTENSION_ACCESSORS(CLASSNAME)                        \
   /* Has, Size, Clear */                                                      \
   template <typename _proto_TypeTraits,                                       \
-            ::google::protobuf::internal::FieldType field_type,                         \
-            bool is_packed>                                                   \
+            ::google::protobuf::internal::FieldType _field_type,                        \
+            bool _is_packed>                                                  \
   inline bool HasExtension(                                                   \
       const ::google::protobuf::internal::ExtensionIdentifier<                          \
-        CLASSNAME, _proto_TypeTraits, field_type, is_packed>& id) const {     \
+        CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id) const {   \
     return _extensions_.Has(id.number());                                     \
   }                                                                           \
                                                                               \
   template <typename _proto_TypeTraits,                                       \
-            ::google::protobuf::internal::FieldType field_type,                         \
-            bool is_packed>                                                   \
+            ::google::protobuf::internal::FieldType _field_type,                        \
+            bool _is_packed>                                                  \
   inline void ClearExtension(                                                 \
       const ::google::protobuf::internal::ExtensionIdentifier<                          \
-        CLASSNAME, _proto_TypeTraits, field_type, is_packed>& id) {           \
+        CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id) {         \
     _extensions_.ClearExtension(id.number());                                 \
   }                                                                           \
                                                                               \
   template <typename _proto_TypeTraits,                                       \
-            ::google::protobuf::internal::FieldType field_type,                         \
-            bool is_packed>                                                   \
+            ::google::protobuf::internal::FieldType _field_type,                        \
+            bool _is_packed>                                                  \
   inline int ExtensionSize(                                                   \
       const ::google::protobuf::internal::ExtensionIdentifier<                          \
-        CLASSNAME, _proto_TypeTraits, field_type, is_packed>& id) const {     \
+        CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id) const {   \
     return _extensions_.ExtensionSize(id.number());                           \
   }                                                                           \
                                                                               \
   /* Singular accessors */                                                    \
   template <typename _proto_TypeTraits,                                       \
-            ::google::protobuf::internal::FieldType field_type,                         \
-            bool is_packed>                                                   \
+            ::google::protobuf::internal::FieldType _field_type,                        \
+            bool _is_packed>                                                  \
   inline typename _proto_TypeTraits::ConstType GetExtension(                  \
       const ::google::protobuf::internal::ExtensionIdentifier<                          \
-        CLASSNAME, _proto_TypeTraits, field_type, is_packed>& id) const {     \
+        CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id) const {   \
     return _proto_TypeTraits::Get(id.number(), _extensions_,                  \
                                   id.default_value());                        \
   }                                                                           \
                                                                               \
   template <typename _proto_TypeTraits,                                       \
-            ::google::protobuf::internal::FieldType field_type,                         \
-            bool is_packed>                                                   \
+            ::google::protobuf::internal::FieldType _field_type,                        \
+            bool _is_packed>                                                  \
   inline typename _proto_TypeTraits::MutableType MutableExtension(            \
       const ::google::protobuf::internal::ExtensionIdentifier<                          \
-        CLASSNAME, _proto_TypeTraits, field_type, is_packed>& id) {           \
-    return _proto_TypeTraits::Mutable(id.number(), field_type, &_extensions_);\
+        CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id) {         \
+    return _proto_TypeTraits::Mutable(id.number(), _field_type,               \
+                                      &_extensions_);                         \
   }                                                                           \
                                                                               \
   template <typename _proto_TypeTraits,                                       \
-            ::google::protobuf::internal::FieldType field_type,                         \
-            bool is_packed>                                                   \
+            ::google::protobuf::internal::FieldType _field_type,                        \
+            bool _is_packed>                                                  \
   inline void SetExtension(                                                   \
       const ::google::protobuf::internal::ExtensionIdentifier<                          \
-        CLASSNAME, _proto_TypeTraits, field_type, is_packed>& id,             \
+        CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id,           \
       typename _proto_TypeTraits::ConstType value) {                          \
-    _proto_TypeTraits::Set(id.number(), field_type, value, &_extensions_);    \
+    _proto_TypeTraits::Set(id.number(), _field_type, value, &_extensions_);   \
+  }                                                                           \
+                                                                              \
+  template <typename _proto_TypeTraits,                                       \
+            ::google::protobuf::internal::FieldType _field_type,                        \
+            bool _is_packed>                                                  \
+  inline void SetAllocatedExtension(                                          \
+      const ::google::protobuf::internal::ExtensionIdentifier<                          \
+        CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id,           \
+      typename _proto_TypeTraits::MutableType value) {                        \
+    _proto_TypeTraits::SetAllocated(id.number(), _field_type,                 \
+                                    value, &_extensions_);                    \
+  }                                                                           \
+  template <typename _proto_TypeTraits,                                       \
+            ::google::protobuf::internal::FieldType _field_type,                        \
+            bool _is_packed>                                                  \
+  inline typename _proto_TypeTraits::MutableType ReleaseExtension(            \
+      const ::google::protobuf::internal::ExtensionIdentifier<                          \
+        CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id) {         \
+    return _proto_TypeTraits::Release(id.number(), _field_type,               \
+                                      &_extensions_);                         \
   }                                                                           \
                                                                               \
   /* Repeated accessors */                                                    \
   template <typename _proto_TypeTraits,                                       \
-            ::google::protobuf::internal::FieldType field_type,                         \
-            bool is_packed>                                                   \
+            ::google::protobuf::internal::FieldType _field_type,                        \
+            bool _is_packed>                                                  \
   inline typename _proto_TypeTraits::ConstType GetExtension(                  \
       const ::google::protobuf::internal::ExtensionIdentifier<                          \
-        CLASSNAME, _proto_TypeTraits, field_type, is_packed>& id,             \
+        CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id,           \
       int index) const {                                                      \
     return _proto_TypeTraits::Get(id.number(), _extensions_, index);          \
   }                                                                           \
                                                                               \
   template <typename _proto_TypeTraits,                                       \
-            ::google::protobuf::internal::FieldType field_type,                         \
-            bool is_packed>                                                   \
+            ::google::protobuf::internal::FieldType _field_type,                        \
+            bool _is_packed>                                                  \
   inline typename _proto_TypeTraits::MutableType MutableExtension(            \
       const ::google::protobuf::internal::ExtensionIdentifier<                          \
-        CLASSNAME, _proto_TypeTraits, field_type, is_packed>& id,             \
+        CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id,           \
       int index) {                                                            \
     return _proto_TypeTraits::Mutable(id.number(), index, &_extensions_);     \
   }                                                                           \
                                                                               \
   template <typename _proto_TypeTraits,                                       \
-            ::google::protobuf::internal::FieldType field_type,                         \
-            bool is_packed>                                                   \
+            ::google::protobuf::internal::FieldType _field_type,                        \
+            bool _is_packed>                                                  \
   inline void SetExtension(                                                   \
       const ::google::protobuf::internal::ExtensionIdentifier<                          \
-        CLASSNAME, _proto_TypeTraits, field_type, is_packed>& id,             \
+        CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id,           \
       int index, typename _proto_TypeTraits::ConstType value) {               \
     _proto_TypeTraits::Set(id.number(), index, value, &_extensions_);         \
   }                                                                           \
                                                                               \
   template <typename _proto_TypeTraits,                                       \
-            ::google::protobuf::internal::FieldType field_type,                         \
-            bool is_packed>                                                   \
+            ::google::protobuf::internal::FieldType _field_type,                        \
+            bool _is_packed>                                                  \
   inline typename _proto_TypeTraits::MutableType AddExtension(                \
       const ::google::protobuf::internal::ExtensionIdentifier<                          \
-        CLASSNAME, _proto_TypeTraits, field_type, is_packed>& id) {           \
-    return _proto_TypeTraits::Add(id.number(), field_type, &_extensions_);    \
+        CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id) {         \
+    return _proto_TypeTraits::Add(id.number(), _field_type, &_extensions_);   \
   }                                                                           \
                                                                               \
   template <typename _proto_TypeTraits,                                       \
-            ::google::protobuf::internal::FieldType field_type,                         \
-            bool is_packed>                                                   \
+            ::google::protobuf::internal::FieldType _field_type,                        \
+            bool _is_packed>                                                  \
   inline void AddExtension(                                                   \
       const ::google::protobuf::internal::ExtensionIdentifier<                          \
-        CLASSNAME, _proto_TypeTraits, field_type, is_packed>& id,             \
+        CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id,           \
       typename _proto_TypeTraits::ConstType value) {                          \
-    _proto_TypeTraits::Add(id.number(), field_type, is_packed,                \
+    _proto_TypeTraits::Add(id.number(), _field_type, _is_packed,              \
                            value, &_extensions_);                             \
   }
 
diff --git a/common/protobuf-2.3.0/src/google/protobuf/extension_set_heavy.cc b/common/protobuf-2.5.0/src/google/protobuf/extension_set_heavy.cc
similarity index 68%
rename from common/protobuf-2.3.0/src/google/protobuf/extension_set_heavy.cc
rename to common/protobuf-2.5.0/src/google/protobuf/extension_set_heavy.cc
index 2721f15d..483d7055 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/extension_set_heavy.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/extension_set_heavy.cc
@@ -35,17 +35,20 @@
 // Contains methods defined in extension_set.h which cannot be part of the
 // lite library because they use descriptors or reflection.
 
-#include <google/protobuf/extension_set.h>
+#include <google/protobuf/io/zero_copy_stream_impl_lite.h>
 #include <google/protobuf/descriptor.h>
+#include <google/protobuf/extension_set.h>
 #include <google/protobuf/message.h>
 #include <google/protobuf/repeated_field.h>
 #include <google/protobuf/wire_format.h>
 #include <google/protobuf/wire_format_lite_inl.h>
 
 namespace google {
+
 namespace protobuf {
 namespace internal {
 
+
 // Implementation of ExtensionFinder which finds extensions in a given
 // DescriptorPool, using the given MessageFactory to construct sub-objects.
 // This class is implemented in extension_set_heavy.cc.
@@ -103,6 +106,11 @@ inline FieldDescriptor::CppType cpp_type(FieldType type) {
       static_cast<FieldDescriptor::Type>(type));
 }
 
+inline WireFormatLite::FieldType field_type(FieldType type) {
+  GOOGLE_DCHECK(type > 0 && type <= WireFormatLite::MAX_FIELD_TYPE);
+  return static_cast<WireFormatLite::FieldType>(type);
+}
+
 #define GOOGLE_DCHECK_TYPE(EXTENSION, LABEL, CPPTYPE)                            \
   GOOGLE_DCHECK_EQ((EXTENSION).is_repeated ? FieldDescriptor::LABEL_REPEATED     \
                                   : FieldDescriptor::LABEL_OPTIONAL,      \
@@ -118,7 +126,12 @@ const MessageLite& ExtensionSet::GetMessage(int number,
     return *factory->GetPrototype(message_type);
   } else {
     GOOGLE_DCHECK_TYPE(iter->second, OPTIONAL, MESSAGE);
-    return *iter->second.message_value;
+    if (iter->second.is_lazy) {
+      return iter->second.lazymessage_value->GetMessage(
+          *factory->GetPrototype(message_type));
+    } else {
+      return *iter->second.message_value;
+    }
   }
 }
 
@@ -132,13 +145,41 @@ MessageLite* ExtensionSet::MutableMessage(const FieldDescriptor* descriptor,
     extension->is_packed = false;
     const MessageLite* prototype =
         factory->GetPrototype(descriptor->message_type());
-    GOOGLE_CHECK(prototype != NULL);
+    extension->is_lazy = false;
     extension->message_value = prototype->New();
+    extension->is_cleared = false;
+    return extension->message_value;
   } else {
     GOOGLE_DCHECK_TYPE(*extension, OPTIONAL, MESSAGE);
+    extension->is_cleared = false;
+    if (extension->is_lazy) {
+      return extension->lazymessage_value->MutableMessage(
+          *factory->GetPrototype(descriptor->message_type()));
+    } else {
+      return extension->message_value;
+    }
+  }
+}
+
+MessageLite* ExtensionSet::ReleaseMessage(const FieldDescriptor* descriptor,
+                                          MessageFactory* factory) {
+  map<int, Extension>::iterator iter = extensions_.find(descriptor->number());
+  if (iter == extensions_.end()) {
+    // Not present.  Return NULL.
+    return NULL;
+  } else {
+    GOOGLE_DCHECK_TYPE(iter->second, OPTIONAL, MESSAGE);
+    MessageLite* ret = NULL;
+    if (iter->second.is_lazy) {
+      ret = iter->second.lazymessage_value->ReleaseMessage(
+        *factory->GetPrototype(descriptor->message_type()));
+      delete iter->second.lazymessage_value;
+    } else {
+      ret = iter->second.message_value;
+    }
+    extensions_.erase(descriptor->number());
+    return ret;
   }
-  extension->is_cleared = false;
-  return extension->message_value;
 }
 
 MessageLite* ExtensionSet::AddMessage(const FieldDescriptor* descriptor,
@@ -157,7 +198,7 @@ MessageLite* ExtensionSet::AddMessage(const FieldDescriptor* descriptor,
   // RepeatedPtrField<Message> does not know how to Add() since it cannot
   // allocate an abstract object, so we have to be tricky.
   MessageLite* result = extension->repeated_message_value
-      ->AddFromCleared<internal::GenericTypeHandler<MessageLite> >();
+      ->AddFromCleared<GenericTypeHandler<MessageLite> >();
   if (result == NULL) {
     const MessageLite* prototype;
     if (extension->repeated_message_value->size() == 0) {
@@ -286,7 +327,11 @@ int ExtensionSet::Extension::SpaceUsedExcludingSelf() const {
                       StringSpaceUsedExcludingSelf(*string_value);
         break;
       case FieldDescriptor::CPPTYPE_MESSAGE:
-        total_size += down_cast<Message*>(message_value)->SpaceUsed();
+        if (is_lazy) {
+          total_size += lazymessage_value->SpaceUsed();
+        } else {
+          total_size += down_cast<Message*>(message_value)->SpaceUsed();
+        }
         break;
       default:
         // No extra storage costs for primitive types.
@@ -419,8 +464,15 @@ uint8* ExtensionSet::Extension::SerializeFieldWithCachedSizesToArray(
       HANDLE_TYPE(   BYTES,    Bytes,  *string_value);
       HANDLE_TYPE(    ENUM,     Enum,     enum_value);
       HANDLE_TYPE(   GROUP,    Group, *message_value);
-      HANDLE_TYPE( MESSAGE,  Message, *message_value);
 #undef HANDLE_TYPE
+      case FieldDescriptor::TYPE_MESSAGE:
+        if (is_lazy) {
+          target = lazymessage_value->WriteMessageToArray(number, target);
+        } else {
+          target = WireFormatLite::WriteMessageToArray(
+              number, *message_value, target);
+        }
+        break;
     }
   }
   return target;
@@ -444,14 +496,216 @@ uint8* ExtensionSet::Extension::SerializeMessageSetItemWithCachedSizesToArray(
   target = WireFormatLite::WriteUInt32ToArray(
       WireFormatLite::kMessageSetTypeIdNumber, number, target);
   // Write message.
-  target = WireFormatLite::WriteMessageToArray(
-      WireFormatLite::kMessageSetMessageNumber, *message_value, target);
+  if (is_lazy) {
+    target = lazymessage_value->WriteMessageToArray(
+        WireFormatLite::kMessageSetMessageNumber, target);
+  } else {
+    target = WireFormatLite::WriteMessageToArray(
+        WireFormatLite::kMessageSetMessageNumber, *message_value, target);
+  }
   // End group.
   target = io::CodedOutputStream::WriteTagToArray(
       WireFormatLite::kMessageSetItemEndTag, target);
   return target;
 }
 
+
+bool ExtensionSet::ParseFieldMaybeLazily(
+    uint32 tag, io::CodedInputStream* input,
+    ExtensionFinder* extension_finder,
+    FieldSkipper* field_skipper) {
+  return ParseField(tag, input, extension_finder, field_skipper);
+}
+
+bool ExtensionSet::ParseMessageSet(io::CodedInputStream* input,
+                                   ExtensionFinder* extension_finder,
+                                   FieldSkipper* field_skipper) {
+  while (true) {
+    uint32 tag = input->ReadTag();
+    switch (tag) {
+      case 0:
+        return true;
+      case WireFormatLite::kMessageSetItemStartTag:
+        if (!ParseMessageSetItem(input, extension_finder, field_skipper)) {
+          return false;
+        }
+        break;
+      default:
+        if (!ParseField(tag, input, extension_finder, field_skipper)) {
+          return false;
+        }
+        break;
+    }
+  }
+}
+
+bool ExtensionSet::ParseMessageSet(io::CodedInputStream* input,
+                                   const MessageLite* containing_type) {
+  FieldSkipper skipper;
+  GeneratedExtensionFinder finder(containing_type);
+  return ParseMessageSet(input, &finder, &skipper);
+}
+
+bool ExtensionSet::ParseMessageSetItem(io::CodedInputStream* input,
+                                       ExtensionFinder* extension_finder,
+                                       FieldSkipper* field_skipper) {
+  // TODO(kenton):  It would be nice to share code between this and
+  // WireFormatLite::ParseAndMergeMessageSetItem(), but I think the
+  // differences would be hard to factor out.
+
+  // This method parses a group which should contain two fields:
+  //   required int32 type_id = 2;
+  //   required data message = 3;
+
+  // Once we see a type_id, we'll construct a fake tag for this extension
+  // which is the tag it would have had under the proto2 extensions wire
+  // format.
+  uint32 fake_tag = 0;
+
+  // If we see message data before the type_id, we'll append it to this so
+  // we can parse it later.
+  string message_data;
+
+  while (true) {
+    uint32 tag = input->ReadTag();
+    if (tag == 0) return false;
+
+    switch (tag) {
+      case WireFormatLite::kMessageSetTypeIdTag: {
+        uint32 type_id;
+        if (!input->ReadVarint32(&type_id)) return false;
+        fake_tag = WireFormatLite::MakeTag(type_id,
+            WireFormatLite::WIRETYPE_LENGTH_DELIMITED);
+
+        if (!message_data.empty()) {
+          // We saw some message data before the type_id.  Have to parse it
+          // now.
+          io::CodedInputStream sub_input(
+              reinterpret_cast<const uint8*>(message_data.data()),
+              message_data.size());
+          if (!ParseFieldMaybeLazily(fake_tag, &sub_input,
+                                     extension_finder, field_skipper)) {
+            return false;
+          }
+          message_data.clear();
+        }
+
+        break;
+      }
+
+      case WireFormatLite::kMessageSetMessageTag: {
+        if (fake_tag == 0) {
+          // We haven't seen a type_id yet.  Append this data to message_data.
+          string temp;
+          uint32 length;
+          if (!input->ReadVarint32(&length)) return false;
+          if (!input->ReadString(&temp, length)) return false;
+          io::StringOutputStream output_stream(&message_data);
+          io::CodedOutputStream coded_output(&output_stream);
+          coded_output.WriteVarint32(length);
+          coded_output.WriteString(temp);
+        } else {
+          // Already saw type_id, so we can parse this directly.
+          if (!ParseFieldMaybeLazily(fake_tag, input,
+                                     extension_finder, field_skipper)) {
+            return false;
+          }
+        }
+
+        break;
+      }
+
+      case WireFormatLite::kMessageSetItemEndTag: {
+        return true;
+      }
+
+      default: {
+        if (!field_skipper->SkipField(input, tag)) return false;
+      }
+    }
+  }
+}
+
+void ExtensionSet::Extension::SerializeMessageSetItemWithCachedSizes(
+    int number,
+    io::CodedOutputStream* output) const {
+  if (type != WireFormatLite::TYPE_MESSAGE || is_repeated) {
+    // Not a valid MessageSet extension, but serialize it the normal way.
+    SerializeFieldWithCachedSizes(number, output);
+    return;
+  }
+
+  if (is_cleared) return;
+
+  // Start group.
+  output->WriteTag(WireFormatLite::kMessageSetItemStartTag);
+
+  // Write type ID.
+  WireFormatLite::WriteUInt32(WireFormatLite::kMessageSetTypeIdNumber,
+                              number,
+                              output);
+  // Write message.
+  if (is_lazy) {
+    lazymessage_value->WriteMessage(
+        WireFormatLite::kMessageSetMessageNumber, output);
+  } else {
+    WireFormatLite::WriteMessageMaybeToArray(
+        WireFormatLite::kMessageSetMessageNumber,
+        *message_value,
+        output);
+  }
+
+  // End group.
+  output->WriteTag(WireFormatLite::kMessageSetItemEndTag);
+}
+
+int ExtensionSet::Extension::MessageSetItemByteSize(int number) const {
+  if (type != WireFormatLite::TYPE_MESSAGE || is_repeated) {
+    // Not a valid MessageSet extension, but compute the byte size for it the
+    // normal way.
+    return ByteSize(number);
+  }
+
+  if (is_cleared) return 0;
+
+  int our_size = WireFormatLite::kMessageSetItemTagsSize;
+
+  // type_id
+  our_size += io::CodedOutputStream::VarintSize32(number);
+
+  // message
+  int message_size = 0;
+  if (is_lazy) {
+    message_size = lazymessage_value->ByteSize();
+  } else {
+    message_size = message_value->ByteSize();
+  }
+
+  our_size += io::CodedOutputStream::VarintSize32(message_size);
+  our_size += message_size;
+
+  return our_size;
+}
+
+void ExtensionSet::SerializeMessageSetWithCachedSizes(
+    io::CodedOutputStream* output) const {
+  map<int, Extension>::const_iterator iter;
+  for (iter = extensions_.begin(); iter != extensions_.end(); ++iter) {
+    iter->second.SerializeMessageSetItemWithCachedSizes(iter->first, output);
+  }
+}
+
+int ExtensionSet::MessageSetByteSize() const {
+  int total_size = 0;
+
+  for (map<int, Extension>::const_iterator iter = extensions_.begin();
+       iter != extensions_.end(); ++iter) {
+    total_size += iter->second.MessageSetItemByteSize(iter->first);
+  }
+
+  return total_size;
+}
+
 }  // namespace internal
 }  // namespace protobuf
 }  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/extension_set_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/extension_set_unittest.cc
similarity index 87%
rename from common/protobuf-2.3.0/src/google/protobuf/extension_set_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/extension_set_unittest.cc
index 000f846c..559de6e1 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/extension_set_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/extension_set_unittest.cc
@@ -34,6 +34,7 @@
 
 #include <google/protobuf/extension_set.h>
 #include <google/protobuf/unittest.pb.h>
+#include <google/protobuf/unittest_mset.pb.h>
 #include <google/protobuf/test_util.h>
 #include <google/protobuf/descriptor.pb.h>
 #include <google/protobuf/descriptor.h>
@@ -46,9 +47,10 @@
 #include <google/protobuf/stubs/strutil.h>
 #include <google/protobuf/testing/googletest.h>
 #include <gtest/gtest.h>
-#include <google/protobuf/stubs/stl_util-inl.h>
+#include <google/protobuf/stubs/stl_util.h>
 
 namespace google {
+
 namespace protobuf {
 namespace internal {
 namespace {
@@ -140,23 +142,98 @@ TEST(ExtensionSetTest, ClearOneField) {
   TestUtil::ExpectAllExtensionsSet(message);
 }
 
+TEST(ExtensionSetTest, SetAllocatedExtensin) {
+  unittest::TestAllExtensions message;
+  EXPECT_FALSE(message.HasExtension(
+      unittest::optional_foreign_message_extension));
+  // Add a extension using SetAllocatedExtension
+  unittest::ForeignMessage* foreign_message = new unittest::ForeignMessage();
+  message.SetAllocatedExtension(unittest::optional_foreign_message_extension,
+                                foreign_message);
+  EXPECT_TRUE(message.HasExtension(
+      unittest::optional_foreign_message_extension));
+  EXPECT_EQ(foreign_message,
+            message.MutableExtension(
+                unittest::optional_foreign_message_extension));
+  EXPECT_EQ(foreign_message,
+            &message.GetExtension(
+                unittest::optional_foreign_message_extension));
+
+  // SetAllocatedExtension should delete the previously existing extension.
+  // (We reply on unittest to check memory leaks for this case)
+  message.SetAllocatedExtension(unittest::optional_foreign_message_extension,
+                                 new unittest::ForeignMessage());
+
+  // SetAllocatedExtension with a NULL parameter is equivalent to ClearExtenion.
+  message.SetAllocatedExtension(unittest::optional_foreign_message_extension,
+                                 NULL);
+  EXPECT_FALSE(message.HasExtension(
+      unittest::optional_foreign_message_extension));
+}
+
+TEST(ExtensionSetTest, ReleaseExtension) {
+  unittest::TestMessageSet message;
+  EXPECT_FALSE(message.HasExtension(
+      unittest::TestMessageSetExtension1::message_set_extension));
+  // Add a extension using SetAllocatedExtension
+  unittest::TestMessageSetExtension1* extension =
+      new unittest::TestMessageSetExtension1();
+  message.SetAllocatedExtension(
+      unittest::TestMessageSetExtension1::message_set_extension,
+      extension);
+  EXPECT_TRUE(message.HasExtension(
+      unittest::TestMessageSetExtension1::message_set_extension));
+  // Release the extension using ReleaseExtension
+  unittest::TestMessageSetExtension1* released_extension =
+      message.ReleaseExtension(
+        unittest::TestMessageSetExtension1::message_set_extension);
+  EXPECT_EQ(extension, released_extension);
+  EXPECT_FALSE(message.HasExtension(
+      unittest::TestMessageSetExtension1::message_set_extension));
+  // ReleaseExtension will return the underlying object even after
+  // ClearExtension is called.
+  message.SetAllocatedExtension(
+      unittest::TestMessageSetExtension1::message_set_extension,
+      extension);
+  message.ClearExtension(
+      unittest::TestMessageSetExtension1::message_set_extension);
+  released_extension = message.ReleaseExtension(
+        unittest::TestMessageSetExtension1::message_set_extension);
+  EXPECT_TRUE(released_extension != NULL);
+  delete released_extension;
+}
+
+
 TEST(ExtensionSetTest, CopyFrom) {
   unittest::TestAllExtensions message1, message2;
-  string data;
 
   TestUtil::SetAllExtensions(&message1);
   message2.CopyFrom(message1);
   TestUtil::ExpectAllExtensionsSet(message2);
+  message2.CopyFrom(message1);  // exercise copy when fields already exist
+  TestUtil::ExpectAllExtensionsSet(message2);
+}
+
+TEST(ExtensioSetTest, CopyFromPacked) {
+  unittest::TestPackedExtensions message1, message2;
+
+  TestUtil::SetPackedExtensions(&message1);
+  message2.CopyFrom(message1);
+  TestUtil::ExpectPackedExtensionsSet(message2);
+  message2.CopyFrom(message1);  // exercise copy when fields already exist
+  TestUtil::ExpectPackedExtensionsSet(message2);
 }
 
 TEST(ExtensionSetTest, CopyFromUpcasted) {
   unittest::TestAllExtensions message1, message2;
-  string data;
   const Message& upcasted_message = message1;
 
   TestUtil::SetAllExtensions(&message1);
   message2.CopyFrom(upcasted_message);
   TestUtil::ExpectAllExtensionsSet(message2);
+  // exercise copy when fields already exist
+  message2.CopyFrom(upcasted_message);
+  TestUtil::ExpectAllExtensionsSet(message2);
 }
 
 TEST(ExtensionSetTest, SwapWithEmpty) {
@@ -418,7 +495,8 @@ TEST(ExtensionSetTest, SpaceUsedExcludingSelf) {
     for (int i = 0; i < 16; ++i) {                                             \
       message.AddExtension(unittest::repeated_##type##_extension, value);      \
     }                                                                          \
-    int expected_size = sizeof(cpptype) * 16 + empty_repeated_field_size;      \
+    int expected_size = sizeof(cpptype) * (16 -                                \
+        kMinRepeatedFieldAllocationSize) + empty_repeated_field_size;          \
     EXPECT_EQ(expected_size, message.SpaceUsed()) << #type;                    \
   } while (0)
 
@@ -450,7 +528,8 @@ TEST(ExtensionSetTest, SpaceUsedExcludingSelf) {
     for (int i = 0; i < 16; ++i) {
       message.AddExtension(unittest::repeated_string_extension, value);
     }
-    min_expected_size += (sizeof(value) + value.size()) * 16;
+    min_expected_size += (sizeof(value) + value.size()) *
+        (16 - kMinRepeatedFieldAllocationSize);
     EXPECT_LE(min_expected_size, message.SpaceUsed());
   }
   // Repeated messages
@@ -465,12 +544,13 @@ TEST(ExtensionSetTest, SpaceUsedExcludingSelf) {
       message.AddExtension(unittest::repeated_foreign_message_extension)->
           CopyFrom(prototype);
     }
-    min_expected_size += 16 * prototype.SpaceUsed();
+    min_expected_size +=
+        (16 - kMinRepeatedFieldAllocationSize) * prototype.SpaceUsed();
     EXPECT_LE(min_expected_size, message.SpaceUsed());
   }
 }
 
-#ifdef GTEST_HAS_DEATH_TEST
+#ifdef PROTOBUF_HAS_DEATH_TEST
 
 TEST(ExtensionSetTest, InvalidEnumDeath) {
   unittest::TestAllExtensions message;
@@ -480,7 +560,7 @@ TEST(ExtensionSetTest, InvalidEnumDeath) {
     "IsValid");
 }
 
-#endif  // GTEST_HAS_DEATH_TEST
+#endif  // PROTOBUF_HAS_DEATH_TEST
 
 TEST(ExtensionSetTest, DynamicExtensions) {
   // Test adding a dynamic extension to a compiled-in message object.
@@ -615,7 +695,11 @@ TEST(ExtensionSetTest, DynamicExtensions) {
     const Message& sub_message =
         message.GetReflection()->GetMessage(message, message_extension);
     const unittest::ForeignMessage* typed_sub_message =
+#ifdef GOOGLE_PROTOBUF_NO_RTTI
+        static_cast<const unittest::ForeignMessage*>(&sub_message);
+#else
         dynamic_cast<const unittest::ForeignMessage*>(&sub_message);
+#endif
     ASSERT_TRUE(typed_sub_message != NULL);
     EXPECT_EQ(456, typed_sub_message->c());
   }
diff --git a/common/protobuf-2.5.0/src/google/protobuf/generated_enum_reflection.h b/common/protobuf-2.5.0/src/google/protobuf/generated_enum_reflection.h
new file mode 100644
index 00000000..a09a540b
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/generated_enum_reflection.h
@@ -0,0 +1,85 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Author: jasonh@google.com (Jason Hsueh)
+//
+// This header is logically internal, but is made public because it is used
+// from protocol-compiler-generated code, which may reside in other components.
+// It provides reflection support for generated enums, and is included in
+// generated .pb.h files and should have minimal dependencies. The methods are
+// implemented in generated_message_reflection.cc.
+
+#ifndef GOOGLE_PROTOBUF_GENERATED_ENUM_REFLECTION_H__
+#define GOOGLE_PROTOBUF_GENERATED_ENUM_REFLECTION_H__
+
+#include <string>
+
+namespace google {
+namespace protobuf {
+  class EnumDescriptor;
+}  // namespace protobuf
+
+namespace protobuf {
+
+// Returns the EnumDescriptor for enum type E, which must be a
+// proto-declared enum type.  Code generated by the protocol compiler
+// will include specializations of this template for each enum type declared.
+template <typename E>
+const EnumDescriptor* GetEnumDescriptor();
+
+namespace internal {
+
+// Helper for EnumType_Parse functions: try to parse the string 'name' as an
+// enum name of the given type, returning true and filling in value on success,
+// or returning false and leaving value unchanged on failure.
+LIBPROTOBUF_EXPORT bool ParseNamedEnum(const EnumDescriptor* descriptor,
+                    const string& name,
+                    int* value);
+
+template<typename EnumType>
+bool ParseNamedEnum(const EnumDescriptor* descriptor,
+                    const string& name,
+                    EnumType* value) {
+  int tmp;
+  if (!ParseNamedEnum(descriptor, name, &tmp)) return false;
+  *value = static_cast<EnumType>(tmp);
+  return true;
+}
+
+// Just a wrapper around printing the name of a value. The main point of this
+// function is not to be inlined, so that you can do this without including
+// descriptor.h.
+LIBPROTOBUF_EXPORT const string& NameOfEnum(const EnumDescriptor* descriptor, int value);
+
+}  // namespace internal
+}  // namespace protobuf
+
+}  // namespace google
+#endif  // GOOGLE_PROTOBUF_GENERATED_ENUM_REFLECTION_H__
diff --git a/common/protobuf-2.3.0/src/google/protobuf/generated_message_reflection.cc b/common/protobuf-2.5.0/src/google/protobuf/generated_message_reflection.cc
similarity index 93%
rename from common/protobuf-2.3.0/src/google/protobuf/generated_message_reflection.cc
rename to common/protobuf-2.5.0/src/google/protobuf/generated_message_reflection.cc
index 0f065ff2..f4d0851d 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/generated_message_reflection.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/generated_message_reflection.cc
@@ -33,9 +33,9 @@
 //  Sanjay Ghemawat, Jeff Dean, and others.
 
 #include <algorithm>
+#include <google/protobuf/descriptor.pb.h>
 #include <google/protobuf/generated_message_reflection.h>
 #include <google/protobuf/descriptor.h>
-#include <google/protobuf/descriptor.pb.h>
 #include <google/protobuf/repeated_field.h>
 #include <google/protobuf/extension_set.h>
 #include <google/protobuf/generated_message_util.h>
@@ -45,8 +45,6 @@ namespace google {
 namespace protobuf {
 namespace internal {
 
-namespace { const string kEmptyString; }
-
 int StringSpaceUsedExcludingSelf(const string& str) {
   const void* start = &str;
   const void* end = &str + 1;
@@ -69,7 +67,6 @@ bool ParseNamedEnum(const EnumDescriptor* descriptor,
 }
 
 const string& NameOfEnum(const EnumDescriptor* descriptor, int value) {
-  static string kEmptyString;
   const EnumValueDescriptor* d = descriptor->FindValueByNumber(value);
   return (d == NULL ? kEmptyString : d->name());
 }
@@ -324,7 +321,7 @@ void GeneratedMessageReflection::Swap(
        "descriptor.";
   GOOGLE_CHECK_EQ(message2->GetReflection(), this)
     << "Second argument to Swap() (of type \""
-    << message1->GetDescriptor()->full_name()
+    << message2->GetDescriptor()->full_name()
     << "\") is not compatible with this reflection object (which is for type \""
     << descriptor_->full_name()
     << "\").  Note that the exact same class is required; not just the same "
@@ -383,8 +380,11 @@ void GeneratedMessageReflection::Swap(
           SWAP_VALUES(DOUBLE, double);
           SWAP_VALUES(BOOL  , bool  );
           SWAP_VALUES(ENUM  , int   );
-          SWAP_VALUES(MESSAGE, Message*);
 #undef SWAP_VALUES
+        case FieldDescriptor::CPPTYPE_MESSAGE:
+          std::swap(*MutableRaw<Message*>(message1, field),
+                    *MutableRaw<Message*>(message2, field));
+          break;
 
         case FieldDescriptor::CPPTYPE_STRING:
           switch (field->options().ctype()) {
@@ -591,6 +591,20 @@ void GeneratedMessageReflection::RemoveLast(
   }
 }
 
+Message* GeneratedMessageReflection::ReleaseLast(
+    Message* message,
+    const FieldDescriptor* field) const {
+  USAGE_CHECK_ALL(ReleaseLast, REPEATED, MESSAGE);
+
+  if (field->is_extension()) {
+    return static_cast<Message*>(
+        MutableExtensionSet(message)->ReleaseLast(field->number()));
+  } else {
+    return MutableRaw<RepeatedPtrFieldBase>(message, field)
+        ->ReleaseLast<GenericTypeHandler<Message> >();
+  }
+}
+
 void GeneratedMessageReflection::SwapElements(
     Message* message,
     const FieldDescriptor* field,
@@ -892,7 +906,9 @@ const EnumValueDescriptor* GeneratedMessageReflection::GetEnum(
   }
   const EnumValueDescriptor* result =
     field->enum_type()->FindValueByNumber(value);
-  GOOGLE_CHECK(result != NULL);
+  GOOGLE_CHECK(result != NULL) << "Value " << value << " is not valid for field "
+                        << field->full_name() << " of type "
+                        << field->enum_type()->full_name() << ".";
   return result;
 }
 
@@ -922,7 +938,9 @@ const EnumValueDescriptor* GeneratedMessageReflection::GetRepeatedEnum(
   }
   const EnumValueDescriptor* result =
     field->enum_type()->FindValueByNumber(value);
-  GOOGLE_CHECK(result != NULL);
+  GOOGLE_CHECK(result != NULL) << "Value " << value << " is not valid for field "
+                        << field->full_name() << " of type "
+                        << field->enum_type()->full_name() << ".";
   return result;
 }
 
@@ -963,13 +981,15 @@ const Message& GeneratedMessageReflection::GetMessage(
     MessageFactory* factory) const {
   USAGE_CHECK_ALL(GetMessage, SINGULAR, MESSAGE);
 
+  if (factory == NULL) factory = message_factory_;
+
   if (field->is_extension()) {
     return static_cast<const Message&>(
         GetExtensionSet(message).GetMessage(
-          field->number(), field->message_type(),
-          factory == NULL ? message_factory_ : factory));
+          field->number(), field->message_type(), factory));
   } else {
-    const Message* result = GetRaw<const Message*>(message, field);
+    const Message* result;
+    result = GetRaw<const Message*>(message, field);
     if (result == NULL) {
       result = DefaultRaw<const Message*>(field);
     }
@@ -982,17 +1002,40 @@ Message* GeneratedMessageReflection::MutableMessage(
     MessageFactory* factory) const {
   USAGE_CHECK_ALL(MutableMessage, SINGULAR, MESSAGE);
 
+  if (factory == NULL) factory = message_factory_;
+
   if (field->is_extension()) {
     return static_cast<Message*>(
-        MutableExtensionSet(message)->MutableMessage(field,
-          factory == NULL ? message_factory_ : factory));
+        MutableExtensionSet(message)->MutableMessage(field, factory));
   } else {
-    Message** result = MutableField<Message*>(message, field);
-    if (*result == NULL) {
+    Message* result;
+    Message** result_holder = MutableField<Message*>(message, field);
+    if (*result_holder == NULL) {
       const Message* default_message = DefaultRaw<const Message*>(field);
-      *result = default_message->New();
+      *result_holder = default_message->New();
     }
-    return *result;
+    result = *result_holder;
+    return result;
+  }
+}
+
+Message* GeneratedMessageReflection::ReleaseMessage(
+    Message* message,
+    const FieldDescriptor* field,
+    MessageFactory* factory) const {
+  USAGE_CHECK_ALL(ReleaseMessage, SINGULAR, MESSAGE);
+
+  if (factory == NULL) factory = message_factory_;
+
+  if (field->is_extension()) {
+    return static_cast<Message*>(
+        MutableExtensionSet(message)->ReleaseMessage(field, factory));
+  } else {
+    ClearBit(message, field);
+    Message** result = MutableRaw<Message*>(message, field);
+    Message* ret = *result;
+    *result = NULL;
+    return ret;
   }
 }
 
@@ -1037,7 +1080,7 @@ Message* GeneratedMessageReflection::AddMessage(
     // We can't use AddField<Message>() because RepeatedPtrFieldBase doesn't
     // know how to allocate one.
     RepeatedPtrFieldBase* repeated =
-      MutableRaw<RepeatedPtrFieldBase>(message, field);
+        MutableRaw<RepeatedPtrFieldBase>(message, field);
     Message* result = repeated->AddFromCleared<GenericTypeHandler<Message> >();
     if (result == NULL) {
       // We must allocate a new object.
@@ -1054,7 +1097,26 @@ Message* GeneratedMessageReflection::AddMessage(
   }
 }
 
-// -------------------------------------------------------------------
+void* GeneratedMessageReflection::MutableRawRepeatedField(
+    Message* message, const FieldDescriptor* field,
+    FieldDescriptor::CppType cpptype,
+    int ctype, const Descriptor* desc) const {
+  USAGE_CHECK_REPEATED("MutableRawRepeatedField");
+  if (field->cpp_type() != cpptype)
+    ReportReflectionUsageTypeError(descriptor_,
+        field, "MutableRawRepeatedField", cpptype);
+  if (ctype >= 0)
+    GOOGLE_CHECK_EQ(field->options().ctype(), ctype) << "subtype mismatch";
+  if (desc != NULL)
+    GOOGLE_CHECK_EQ(field->message_type(), desc) << "wrong submessage type";
+  if (field->is_extension())
+    return MutableExtensionSet(message)->MutableRawRepeatedField(
+        field->number());
+  else
+    return reinterpret_cast<uint8*>(message) + offsets_[field->index()];
+}
+
+// -----------------------------------------------------------------------------
 
 const FieldDescriptor* GeneratedMessageReflection::FindKnownExtensionByName(
     const string& name) const {
diff --git a/common/protobuf-2.3.0/src/google/protobuf/generated_message_reflection.h b/common/protobuf-2.5.0/src/google/protobuf/generated_message_reflection.h
similarity index 94%
rename from common/protobuf-2.3.0/src/google/protobuf/generated_message_reflection.h
rename to common/protobuf-2.5.0/src/google/protobuf/generated_message_reflection.h
index b545fa1a..c1c142fa 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/generated_message_reflection.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/generated_message_reflection.h
@@ -40,17 +40,23 @@
 
 #include <string>
 #include <vector>
+#include <google/protobuf/stubs/common.h>
+// TODO(jasonh): Remove this once the compiler change to directly include this
+// is released to components.
+#include <google/protobuf/generated_enum_reflection.h>
 #include <google/protobuf/message.h>
 #include <google/protobuf/unknown_field_set.h>
 
 
 namespace google {
+namespace upb {
+namespace google_opensource {
+class GMR_Handlers;
+}  // namespace google_opensource
+}  // namespace upb
+
 namespace protobuf {
   class DescriptorPool;
-  // Generated code needs these to have been forward-declared.  Easier to do it
-  // here than to print them inside every .pb.h file.
-  class FileDescriptor;
-  class EnumDescriptor;
 }
 
 namespace protobuf {
@@ -141,6 +147,7 @@ class LIBPROTOBUF_EXPORT GeneratedMessageReflection : public Reflection {
   int FieldSize(const Message& message, const FieldDescriptor* field) const;
   void ClearField(Message* message, const FieldDescriptor* field) const;
   void RemoveLast(Message* message, const FieldDescriptor* field) const;
+  Message* ReleaseLast(Message* message, const FieldDescriptor* field) const;
   void Swap(Message* message1, Message* message2) const;
   void SwapElements(Message* message, const FieldDescriptor* field,
             int index1, int index2) const;
@@ -193,6 +200,8 @@ class LIBPROTOBUF_EXPORT GeneratedMessageReflection : public Reflection {
                  const EnumValueDescriptor* value) const;
   Message* MutableMessage(Message* message, const FieldDescriptor* field,
                           MessageFactory* factory = NULL) const;
+  Message* ReleaseMessage(Message* message, const FieldDescriptor* field,
+                          MessageFactory* factory = NULL) const;
 
   int32  GetRepeatedInt32 (const Message& message,
                            const FieldDescriptor* field, int index) const;
@@ -270,9 +279,18 @@ class LIBPROTOBUF_EXPORT GeneratedMessageReflection : public Reflection {
   const FieldDescriptor* FindKnownExtensionByName(const string& name) const;
   const FieldDescriptor* FindKnownExtensionByNumber(int number) const;
 
+ protected:
+  virtual void* MutableRawRepeatedField(
+      Message* message, const FieldDescriptor* field, FieldDescriptor::CppType,
+      int ctype, const Descriptor* desc) const;
+
  private:
   friend class GeneratedMessage;
 
+  // To parse directly into a proto2 generated class, the class GMR_Handlers
+  // needs access to member offsets and hasbits.
+  friend class LIBPROTOBUF_EXPORT upb::google_opensource::GMR_Handlers;
+
   const Descriptor* descriptor_;
   const Message* default_instance_;
   const int* offsets_;
@@ -293,7 +311,6 @@ class LIBPROTOBUF_EXPORT GeneratedMessageReflection : public Reflection {
                           const FieldDescriptor* field) const;
   template <typename Type>
   inline const Type& DefaultRaw(const FieldDescriptor* field) const;
-  inline const Message* GetMessagePrototype(const FieldDescriptor* field) const;
 
   inline const uint32* GetHasBits(const Message& message) const;
   inline uint32* MutableHasBits(Message* message) const;
@@ -395,28 +412,6 @@ inline To dynamic_cast_if_available(From from) {
 #endif
 }
 
-// Helper for EnumType_Parse functions: try to parse the string 'name' as an
-// enum name of the given type, returning true and filling in value on success,
-// or returning false and leaving value unchanged on failure.
-LIBPROTOBUF_EXPORT bool ParseNamedEnum(const EnumDescriptor* descriptor,
-                    const string& name,
-                    int* value);
-
-template<typename EnumType>
-bool ParseNamedEnum(const EnumDescriptor* descriptor,
-                    const string& name,
-                    EnumType* value) {
-  int tmp;
-  if (!ParseNamedEnum(descriptor, name, &tmp)) return false;
-  *value = static_cast<EnumType>(tmp);
-  return true;
-}
-
-// Just a wrapper around printing the name of a value. The main point of this
-// function is not to be inlined, so that you can do this without including
-// descriptor.h.
-LIBPROTOBUF_EXPORT const string& NameOfEnum(const EnumDescriptor* descriptor, int value);
-
 }  // namespace internal
 }  // namespace protobuf
 
diff --git a/common/protobuf-2.3.0/src/google/protobuf/generated_message_reflection_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/generated_message_reflection_unittest.cc
similarity index 78%
rename from common/protobuf-2.3.0/src/google/protobuf/generated_message_reflection_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/generated_message_reflection_unittest.cc
index a03bcdb7..39aa55fb 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/generated_message_reflection_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/generated_message_reflection_unittest.cc
@@ -225,11 +225,59 @@ TEST(GeneratedMessageReflectionTest, RemoveLastExtensions) {
     unittest::TestAllExtensions::descriptor());
 
   TestUtil::SetAllExtensions(&message);
+
   reflection_tester.RemoveLastRepeatedsViaReflection(&message);
 
   TestUtil::ExpectLastRepeatedExtensionsRemoved(message);
 }
 
+TEST(GeneratedMessageReflectionTest, ReleaseLast) {
+  unittest::TestAllTypes message;
+  const Descriptor* descriptor = message.GetDescriptor();
+  TestUtil::ReflectionTester reflection_tester(descriptor);
+
+  TestUtil::SetAllFields(&message);
+
+  reflection_tester.ReleaseLastRepeatedsViaReflection(&message, false);
+
+  TestUtil::ExpectLastRepeatedsReleased(message);
+
+  // Now test that we actually release the right message.
+  message.Clear();
+  TestUtil::SetAllFields(&message);
+  ASSERT_EQ(2, message.repeated_foreign_message_size());
+  const protobuf_unittest::ForeignMessage* expected =
+      message.mutable_repeated_foreign_message(1);
+  scoped_ptr<Message> released(message.GetReflection()->ReleaseLast(
+      &message, descriptor->FindFieldByName("repeated_foreign_message")));
+  EXPECT_EQ(expected, released.get());
+}
+
+TEST(GeneratedMessageReflectionTest, ReleaseLastExtensions) {
+  unittest::TestAllExtensions message;
+  const Descriptor* descriptor = message.GetDescriptor();
+  TestUtil::ReflectionTester reflection_tester(descriptor);
+
+  TestUtil::SetAllExtensions(&message);
+
+  reflection_tester.ReleaseLastRepeatedsViaReflection(&message, true);
+
+  TestUtil::ExpectLastRepeatedExtensionsReleased(message);
+
+  // Now test that we actually release the right message.
+  message.Clear();
+  TestUtil::SetAllExtensions(&message);
+  ASSERT_EQ(2, message.ExtensionSize(
+      unittest::repeated_foreign_message_extension));
+  const protobuf_unittest::ForeignMessage* expected = message.MutableExtension(
+      unittest::repeated_foreign_message_extension, 1);
+  scoped_ptr<Message> released(message.GetReflection()->ReleaseLast(
+      &message, descriptor->file()->FindExtensionByName(
+          "repeated_foreign_message_extension")));
+  EXPECT_EQ(expected, released.get());
+
+}
+
 TEST(GeneratedMessageReflectionTest, SwapRepeatedElements) {
   unittest::TestAllTypes message;
   TestUtil::ReflectionTester reflection_tester(
@@ -327,7 +375,59 @@ TEST(GeneratedMessageReflectionTest, FindKnownExtensionByName) {
               FindKnownExtensionByName(extension1->full_name()) == NULL);
 }
 
-#ifdef GTEST_HAS_DEATH_TEST
+TEST(GeneratedMessageReflectionTest, ReleaseMessageTest) {
+  unittest::TestAllTypes message;
+  TestUtil::ReflectionTester reflection_tester(
+    unittest::TestAllTypes::descriptor());
+
+  // When nothing is set, we expect all released messages to be NULL.
+  reflection_tester.ExpectMessagesReleasedViaReflection(
+      &message, TestUtil::ReflectionTester::IS_NULL);
+
+  // After fields are set we should get non-NULL releases.
+  reflection_tester.SetAllFieldsViaReflection(&message);
+  reflection_tester.ExpectMessagesReleasedViaReflection(
+      &message, TestUtil::ReflectionTester::NOT_NULL);
+
+  // After Clear() we may or may not get a message from ReleaseMessage().
+  // This is implementation specific.
+  reflection_tester.SetAllFieldsViaReflection(&message);
+  message.Clear();
+  reflection_tester.ExpectMessagesReleasedViaReflection(
+      &message, TestUtil::ReflectionTester::CAN_BE_NULL);
+
+  // Test a different code path for setting after releasing.
+  TestUtil::SetAllFields(&message);
+  TestUtil::ExpectAllFieldsSet(message);
+}
+
+TEST(GeneratedMessageReflectionTest, ReleaseExtensionMessageTest) {
+  unittest::TestAllExtensions message;
+  TestUtil::ReflectionTester reflection_tester(
+    unittest::TestAllExtensions::descriptor());
+
+  // When nothing is set, we expect all released messages to be NULL.
+  reflection_tester.ExpectMessagesReleasedViaReflection(
+      &message, TestUtil::ReflectionTester::IS_NULL);
+
+  // After fields are set we should get non-NULL releases.
+  reflection_tester.SetAllFieldsViaReflection(&message);
+  reflection_tester.ExpectMessagesReleasedViaReflection(
+      &message, TestUtil::ReflectionTester::NOT_NULL);
+
+  // After Clear() we may or may not get a message from ReleaseMessage().
+  // This is implementation specific.
+  reflection_tester.SetAllFieldsViaReflection(&message);
+  message.Clear();
+  reflection_tester.ExpectMessagesReleasedViaReflection(
+      &message, TestUtil::ReflectionTester::CAN_BE_NULL);
+
+  // Test a different code path for setting after releasing.
+  TestUtil::SetAllExtensions(&message);
+  TestUtil::ExpectAllExtensionsSet(message);
+}
+
+#ifdef PROTOBUF_HAS_DEATH_TEST
 
 TEST(GeneratedMessageReflectionTest, UsageErrors) {
   unittest::TestAllTypes message;
@@ -376,7 +476,7 @@ TEST(GeneratedMessageReflectionTest, UsageErrors) {
 #undef f
 }
 
-#endif  // GTEST_HAS_DEATH_TEST
+#endif  // PROTOBUF_HAS_DEATH_TEST
 
 
 }  // namespace
diff --git a/common/protobuf-2.3.0/src/google/protobuf/generated_message_util.cc b/common/protobuf-2.5.0/src/google/protobuf/generated_message_util.cc
similarity index 98%
rename from common/protobuf-2.3.0/src/google/protobuf/generated_message_util.cc
rename to common/protobuf-2.5.0/src/google/protobuf/generated_message_util.cc
index 7ac015d0..ac321501 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/generated_message_util.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/generated_message_util.cc
@@ -47,6 +47,7 @@ double NaN() {
   return std::numeric_limits<double>::quiet_NaN();
 }
 
+const ::std::string kEmptyString;
 
 }  // namespace internal
 }  // namespace protobuf
diff --git a/common/protobuf-2.3.0/src/google/protobuf/generated_message_util.h b/common/protobuf-2.5.0/src/google/protobuf/generated_message_util.h
similarity index 84%
rename from common/protobuf-2.3.0/src/google/protobuf/generated_message_util.h
rename to common/protobuf-2.5.0/src/google/protobuf/generated_message_util.h
index daa16f77..b2fb8f0b 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/generated_message_util.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/generated_message_util.h
@@ -38,16 +38,10 @@
 #ifndef GOOGLE_PROTOBUF_GENERATED_MESSAGE_UTIL_H__
 #define GOOGLE_PROTOBUF_GENERATED_MESSAGE_UTIL_H__
 
+#include <string>
+
 #include <google/protobuf/stubs/common.h>
-
-
 namespace google {
-namespace protobuf {
-  namespace io {
-    class CodedInputStream;      // coded_stream.h
-  }
-}
-
 namespace protobuf {
 namespace internal {
 
@@ -58,17 +52,23 @@ namespace internal {
 // For internal use in the pb.cc files, deprecation warnings are suppressed
 // there.
 #undef DEPRECATED_PROTOBUF_FIELD
-#if !defined(INTERNAL_SUPPRESS_PROTOBUF_FIELD_DEPRECATION)
-#  define PROTOBUF_DEPRECATED GOOGLE_ATTRIBUTE_DEPRECATED
-#else
-#  define PROTOBUF_DEPRECATED
-#endif
+#define PROTOBUF_DEPRECATED
 
 
 // Constants for special floating point values.
 LIBPROTOBUF_EXPORT double Infinity();
 LIBPROTOBUF_EXPORT double NaN();
 
+// Constant used for empty default strings.
+LIBPROTOBUF_EXPORT extern const ::std::string kEmptyString;
+
+// Defined in generated_message_reflection.cc -- not actually part of the lite
+// library.
+//
+// TODO(jasonh): The various callers get this declaration from a variety of
+// places: probably in most cases repeated_field.h. Clean these up so they all
+// get the declaration from this file.
+LIBPROTOBUF_EXPORT int StringSpaceUsedExcludingSelf(const string& str);
 
 }  // namespace internal
 }  // namespace protobuf
diff --git a/common/protobuf-2.3.0/src/google/protobuf/io/coded_stream.cc b/common/protobuf-2.5.0/src/google/protobuf/io/coded_stream.cc
similarity index 94%
rename from common/protobuf-2.3.0/src/google/protobuf/io/coded_stream.cc
rename to common/protobuf-2.5.0/src/google/protobuf/io/coded_stream.cc
index 6a91a13d..36add8c3 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/io/coded_stream.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/io/coded_stream.cc
@@ -43,7 +43,7 @@
 #include <limits.h>
 #include <google/protobuf/io/zero_copy_stream.h>
 #include <google/protobuf/stubs/common.h>
-#include <google/protobuf/stubs/stl_util-inl.h>
+#include <google/protobuf/stubs/stl_util.h>
 
 
 namespace google {
@@ -56,10 +56,32 @@ static const int kMaxVarintBytes = 10;
 static const int kMaxVarint32Bytes = 5;
 
 
+inline bool NextNonEmpty(ZeroCopyInputStream* input,
+                         const void** data, int* size) {
+  bool success;
+  do {
+    success = input->Next(data, size);
+  } while (success && *size == 0);
+  return success;
+}
+
 }  // namespace
 
 // CodedInputStream ==================================================
 
+CodedInputStream::~CodedInputStream() {
+  if (input_ != NULL) {
+    BackUpInputToCurrentPosition();
+  }
+
+  if (total_bytes_warning_threshold_ == -2) {
+    GOOGLE_LOG(WARNING) << "The total number of bytes read was " << total_bytes_read_;
+  }
+}
+
+// Static.
+int CodedInputStream::default_recursion_limit_ = 100;
+
 
 void CodedInputStream::BackUpInputToCurrentPosition() {
   int backup_bytes = BufferSize() + buffer_size_after_limit_ + overflow_bytes_;
@@ -89,8 +111,7 @@ inline void CodedInputStream::RecomputeBufferLimits() {
 
 CodedInputStream::Limit CodedInputStream::PushLimit(int byte_limit) {
   // Current position relative to the beginning of the stream.
-  int current_position = total_bytes_read_ -
-      (BufferSize() + buffer_size_after_limit_);
+  int current_position = CurrentPosition();
 
   Limit old_limit = current_limit_;
 
@@ -124,10 +145,9 @@ void CodedInputStream::PopLimit(Limit limit) {
   legitimate_message_end_ = false;
 }
 
-int CodedInputStream::BytesUntilLimit() {
+int CodedInputStream::BytesUntilLimit() const {
   if (current_limit_ == INT_MAX) return -1;
-  int current_position = total_bytes_read_ -
-      (BufferSize() + buffer_size_after_limit_);
+  int current_position = CurrentPosition();
 
   return current_limit_ - current_position;
 }
@@ -136,10 +156,14 @@ void CodedInputStream::SetTotalBytesLimit(
     int total_bytes_limit, int warning_threshold) {
   // Make sure the limit isn't already past, since this could confuse other
   // code.
-  int current_position = total_bytes_read_ -
-      (BufferSize() + buffer_size_after_limit_);
+  int current_position = CurrentPosition();
   total_bytes_limit_ = max(current_position, total_bytes_limit);
-  total_bytes_warning_threshold_ = warning_threshold;
+  if (warning_threshold >= 0) {
+    total_bytes_warning_threshold_ = warning_threshold;
+  } else {
+    // warning_threshold is negative
+    total_bytes_warning_threshold_ = -1;
+  }
   RecomputeBufferLimits();
 }
 
@@ -359,16 +383,17 @@ uint32 CodedInputStream::ReadTagSlow() {
 
   // For the slow path, just do a 64-bit read. Try to optimize for one-byte tags
   // again, since we have now refreshed the buffer.
-  uint64 result;
+  uint64 result = 0;
   if (!ReadVarint64(&result)) return 0;
   return static_cast<uint32>(result);
 }
 
 uint32 CodedInputStream::ReadTagFallback() {
-  if (BufferSize() >= kMaxVarintBytes ||
+  const int buf_size = BufferSize();
+  if (buf_size >= kMaxVarintBytes ||
       // Optimization:  If the varint ends at exactly the end of the buffer,
       // we can detect that and still use the fast path.
-      (buffer_end_ > buffer_ && !(buffer_end_[-1] & 0x80))) {
+      (buf_size > 0 && !(buffer_end_[-1] & 0x80))) {
     uint32 tag;
     const uint8* end = ReadVarint32FromArray(buffer_, &tag);
     if (end == NULL) {
@@ -379,7 +404,9 @@ uint32 CodedInputStream::ReadTagFallback() {
   } else {
     // We are commonly at a limit when attempting to read tags. Try to quickly
     // detect this case without making another function call.
-    if (buffer_ == buffer_end_ && buffer_size_after_limit_ > 0 &&
+    if ((buf_size == 0) &&
+        ((buffer_size_after_limit_ > 0) ||
+         (total_bytes_read_ == current_limit_)) &&
         // Make sure that the limit we hit is not total_bytes_limit_, since
         // in that case we still need to call Refresh() so that it prints an
         // error.
@@ -443,7 +470,7 @@ bool CodedInputStream::ReadVarint64Fallback(uint64* value) {
 
     // We have overrun the maximum size of a varint (10 bytes).  The data
     // must be corrupt.
-    return NULL;
+    return false;
 
    done:
     Advance(ptr - buffer_);
@@ -483,13 +510,13 @@ bool CodedInputStream::Refresh() {
                       "CodedInputStream::SetTotalBytesLimit() in "
                       "google/protobuf/io/coded_stream.h.";
 
-    // Don't warn again for this stream.
-    total_bytes_warning_threshold_ = -1;
+    // Don't warn again for this stream, and print total size at the end.
+    total_bytes_warning_threshold_ = -2;
   }
 
   const void* void_buffer;
   int buffer_size;
-  if (input_->Next(&void_buffer, &buffer_size)) {
+  if (NextNonEmpty(input_, &void_buffer, &buffer_size)) {
     buffer_ = reinterpret_cast<const uint8*>(void_buffer);
     buffer_end_ = buffer_ + buffer_size;
     GOOGLE_CHECK_GE(buffer_size, 0);
diff --git a/common/protobuf-2.3.0/src/google/protobuf/io/coded_stream.h b/common/protobuf-2.5.0/src/google/protobuf/io/coded_stream.h
similarity index 93%
rename from common/protobuf-2.3.0/src/google/protobuf/io/coded_stream.h
rename to common/protobuf-2.5.0/src/google/protobuf/io/coded_stream.h
index dcbb0d45..66cbee00 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/io/coded_stream.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/io/coded_stream.h
@@ -110,14 +110,27 @@
 #define GOOGLE_PROTOBUF_IO_CODED_STREAM_H__
 
 #include <string>
-#ifndef _MSC_VER
-#include <sys/param.h>
-#endif  // !_MSC_VER
+#ifdef _MSC_VER
+  #if defined(_M_IX86) && \
+      !defined(PROTOBUF_DISABLE_LITTLE_ENDIAN_OPT_FOR_TEST)
+    #define PROTOBUF_LITTLE_ENDIAN 1
+  #endif
+  #if _MSC_VER >= 1300
+    // If MSVC has "/RTCc" set, it will complain about truncating casts at
+    // runtime.  This file contains some intentional truncating casts.
+    #pragma runtime_checks("c", off)
+  #endif
+#else
+  #include <sys/param.h>   // __BYTE_ORDER
+  #if defined(__BYTE_ORDER) && __BYTE_ORDER == __LITTLE_ENDIAN && \
+      !defined(PROTOBUF_DISABLE_LITTLE_ENDIAN_OPT_FOR_TEST)
+    #define PROTOBUF_LITTLE_ENDIAN 1
+  #endif
+#endif
 #include <google/protobuf/stubs/common.h>
-#include <google/protobuf/stubs/common.h>          // for GOOGLE_PREDICT_TRUE macro
+
 
 namespace google {
-
 namespace protobuf {
 
 class DescriptorPool;
@@ -157,6 +170,9 @@ class LIBPROTOBUF_EXPORT CodedInputStream {
   // successfully and the stream's byte limit.
   ~CodedInputStream();
 
+  // Return true if this CodedInputStream reads from a flat array instead of
+  // a ZeroCopyInputStream.
+  inline bool IsFlat() const;
 
   // Skips a number of bytes.  Returns false if an underlying read error
   // occurs.
@@ -298,7 +314,10 @@ class LIBPROTOBUF_EXPORT CodedInputStream {
 
   // Returns the number of bytes left until the nearest limit on the
   // stack is hit, or -1 if no limits are in place.
-  int BytesUntilLimit();
+  int BytesUntilLimit() const;
+
+  // Returns current position relative to the beginning of the input stream.
+  int CurrentPosition() const;
 
   // Total Bytes Limit -----------------------------------------------
   // To prevent malicious users from sending excessively large messages
@@ -314,8 +333,9 @@ class LIBPROTOBUF_EXPORT CodedInputStream {
   // cause integer overflows is 512MB.  The default limit is 64MB.  Apps
   // should set shorter limits if possible.  If warning_threshold is not -1,
   // a warning will be printed to stderr after warning_threshold bytes are
-  // read.  An error will always be printed to stderr if the limit is
-  // reached.
+  // read.  For backwards compatibility all negative values get squached to -1,
+  // as other negative values might have special internal meanings.
+  // An error will always be printed to stderr if the limit is reached.
   //
   // This is unrelated to PushLimit()/PopLimit().
   //
@@ -342,9 +362,10 @@ class LIBPROTOBUF_EXPORT CodedInputStream {
   // messages and groups.  CodedInputStream keeps track of this because it
   // is the only object that is passed down the stack during parsing.
 
-  // Sets the maximum recursion depth.  The default is 64.
+  // Sets the maximum recursion depth.  The default is 100.
   void SetRecursionLimit(int limit);
 
+
   // Increments the current recursion depth.  Returns true if the depth is
   // under the limit, false if it has gone over.
   bool IncrementRecursionDepth();
@@ -420,7 +441,8 @@ class LIBPROTOBUF_EXPORT CodedInputStream {
   //
   // Note that this feature is ignored when parsing "lite" messages as they do
   // not have descriptors.
-  void SetExtensionRegistry(DescriptorPool* pool, MessageFactory* factory);
+  void SetExtensionRegistry(const DescriptorPool* pool,
+                            MessageFactory* factory);
 
   // Get the DescriptorPool set via SetExtensionRegistry(), or NULL if no pool
   // has been provided.
@@ -469,6 +491,11 @@ class LIBPROTOBUF_EXPORT CodedInputStream {
   // Maximum number of bytes to read, period.  This is unrelated to
   // current_limit_.  Set using SetTotalBytesLimit().
   int total_bytes_limit_;
+
+  // If positive/0: Limit for bytes read after which a warning due to size
+  // should be logged.
+  // If -1: Printing of warning disabled. Can be set by client.
+  // If -2: Internal: Limit has been reached, print full size when destructing.
   int total_bytes_warning_threshold_;
 
   // Current recursion depth, controlled by IncrementRecursionDepth() and
@@ -526,7 +553,8 @@ class LIBPROTOBUF_EXPORT CodedInputStream {
   static const int kDefaultTotalBytesLimit = 64 << 20;  // 64MB
 
   static const int kDefaultTotalBytesWarningThreshold = 32 << 20;  // 32MB
-  static const int kDefaultRecursionLimit = 64;
+
+  static int default_recursion_limit_;  // 100 by default.
 };
 
 // Class which encodes and writes binary data which is composed of varint-
@@ -554,7 +582,7 @@ class LIBPROTOBUF_EXPORT CodedInputStream {
 //   char text[] = "Hello world!";
 //
 //   int coded_size = sizeof(magic_number) +
-//                    CodedOutputStream::Varint32Size(strlen(text)) +
+//                    CodedOutputStream::VarintSize32(strlen(text)) +
 //                    strlen(text);
 //
 //   uint8* buffer =
@@ -667,6 +695,21 @@ class LIBPROTOBUF_EXPORT CodedOutputStream {
   // If negative, 10 bytes.  Otheriwse, same as VarintSize32().
   static int VarintSize32SignExtended(int32 value);
 
+  // Compile-time equivalent of VarintSize32().
+  template <uint32 Value>
+  struct StaticVarintSize32 {
+    static const int value =
+        (Value < (1 << 7))
+            ? 1
+            : (Value < (1 << 14))
+                ? 2
+                : (Value < (1 << 21))
+                    ? 3
+                    : (Value < (1 << 28))
+                        ? 4
+                        : 5;
+  };
+
   // Returns the total number of bytes written since this object was created.
   inline int ByteCount() const;
 
@@ -735,8 +778,7 @@ inline bool CodedInputStream::ReadVarint64(uint64* value) {
 inline const uint8* CodedInputStream::ReadLittleEndian32FromArray(
     const uint8* buffer,
     uint32* value) {
-#if !defined(PROTOBUF_DISABLE_LITTLE_ENDIAN_OPT_FOR_TEST) && \
-    defined(__BYTE_ORDER) && __BYTE_ORDER == __LITTLE_ENDIAN
+#if defined(PROTOBUF_LITTLE_ENDIAN)
   memcpy(value, buffer, sizeof(*value));
   return buffer + sizeof(*value);
 #else
@@ -751,8 +793,7 @@ inline const uint8* CodedInputStream::ReadLittleEndian32FromArray(
 inline const uint8* CodedInputStream::ReadLittleEndian64FromArray(
     const uint8* buffer,
     uint64* value) {
-#if !defined(PROTOBUF_DISABLE_LITTLE_ENDIAN_OPT_FOR_TEST) && \
-    defined(__BYTE_ORDER) && __BYTE_ORDER == __LITTLE_ENDIAN
+#if defined(PROTOBUF_LITTLE_ENDIAN)
   memcpy(value, buffer, sizeof(*value));
   return buffer + sizeof(*value);
 #else
@@ -771,9 +812,8 @@ inline const uint8* CodedInputStream::ReadLittleEndian64FromArray(
 }
 
 inline bool CodedInputStream::ReadLittleEndian32(uint32* value) {
-#if !defined(PROTOBUF_DISABLE_LITTLE_ENDIAN_OPT_FOR_TEST) && \
-    defined(__BYTE_ORDER) && __BYTE_ORDER == __LITTLE_ENDIAN
-  if (GOOGLE_PREDICT_TRUE(BufferSize() >= sizeof(*value))) {
+#if defined(PROTOBUF_LITTLE_ENDIAN)
+  if (GOOGLE_PREDICT_TRUE(BufferSize() >= static_cast<int>(sizeof(*value)))) {
     memcpy(value, buffer_, sizeof(*value));
     Advance(sizeof(*value));
     return true;
@@ -786,9 +826,8 @@ inline bool CodedInputStream::ReadLittleEndian32(uint32* value) {
 }
 
 inline bool CodedInputStream::ReadLittleEndian64(uint64* value) {
-#if !defined(PROTOBUF_DISABLE_LITTLE_ENDIAN_OPT_FOR_TEST) && \
-    defined(__BYTE_ORDER) && __BYTE_ORDER == __LITTLE_ENDIAN
-  if (GOOGLE_PREDICT_TRUE(BufferSize() >= sizeof(*value))) {
+#if defined(PROTOBUF_LITTLE_ENDIAN)
+  if (GOOGLE_PREDICT_TRUE(BufferSize() >= static_cast<int>(sizeof(*value)))) {
     memcpy(value, buffer_, sizeof(*value));
     Advance(sizeof(*value));
     return true;
@@ -867,7 +906,9 @@ inline bool CodedInputStream::ExpectAtEnd() {
   // If we are at a limit we know no more bytes can be read.  Otherwise, it's
   // hard to say without calling Refresh(), and we'd rather not do that.
 
-  if (buffer_ == buffer_end_ && buffer_size_after_limit_ != 0) {
+  if (buffer_ == buffer_end_ &&
+      ((buffer_size_after_limit_ != 0) ||
+       (total_bytes_read_ == current_limit_))) {
     last_tag_ = 0;                   // Pretend we called ReadTag()...
     legitimate_message_end_ = true;  // ... and it hit EOF.
     return true;
@@ -876,6 +917,10 @@ inline bool CodedInputStream::ExpectAtEnd() {
   }
 }
 
+inline int CodedInputStream::CurrentPosition() const {
+  return total_bytes_read_ - (BufferSize() + buffer_size_after_limit_);
+}
+
 inline uint8* CodedOutputStream::GetDirectBufferForNBytesAndAdvance(int size) {
   if (buffer_size_ < size) {
     return NULL;
@@ -915,8 +960,7 @@ inline uint8* CodedOutputStream::WriteVarint32SignExtendedToArray(
 
 inline uint8* CodedOutputStream::WriteLittleEndian32ToArray(uint32 value,
                                                             uint8* target) {
-#if !defined(PROTOBUF_DISABLE_LITTLE_ENDIAN_OPT_FOR_TEST) && \
-    defined(__BYTE_ORDER) && __BYTE_ORDER == __LITTLE_ENDIAN
+#if defined(PROTOBUF_LITTLE_ENDIAN)
   memcpy(target, &value, sizeof(value));
 #else
   target[0] = static_cast<uint8>(value);
@@ -929,8 +973,7 @@ inline uint8* CodedOutputStream::WriteLittleEndian32ToArray(uint32 value,
 
 inline uint8* CodedOutputStream::WriteLittleEndian64ToArray(uint64 value,
                                                             uint8* target) {
-#if !defined(PROTOBUF_DISABLE_LITTLE_ENDIAN_OPT_FOR_TEST) && \
-    defined(__BYTE_ORDER) && __BYTE_ORDER == __LITTLE_ENDIAN
+#if defined(PROTOBUF_LITTLE_ENDIAN)
   memcpy(target, &value, sizeof(value));
 #else
   uint32 part0 = static_cast<uint32>(value);
@@ -983,12 +1026,12 @@ inline int CodedOutputStream::VarintSize32SignExtended(int32 value) {
 }
 
 inline void CodedOutputStream::WriteString(const string& str) {
-  WriteRaw(str.data(), str.size());
+  WriteRaw(str.data(), static_cast<int>(str.size()));
 }
 
 inline uint8* CodedOutputStream::WriteStringToArray(
     const string& str, uint8* target) {
-  return WriteRawToArray(str.data(), str.size(), target);
+  return WriteRawToArray(str.data(), static_cast<int>(str.size()), target);
 }
 
 inline int CodedOutputStream::ByteCount() const {
@@ -1017,7 +1060,7 @@ inline void CodedInputStream::DecrementRecursionDepth() {
   if (recursion_depth_ > 0) --recursion_depth_;
 }
 
-inline void CodedInputStream::SetExtensionRegistry(DescriptorPool* pool,
+inline void CodedInputStream::SetExtensionRegistry(const DescriptorPool* pool,
                                                    MessageFactory* factory) {
   extension_pool_ = pool;
   extension_factory_ = factory;
@@ -1044,12 +1087,12 @@ inline CodedInputStream::CodedInputStream(ZeroCopyInputStream* input)
     last_tag_(0),
     legitimate_message_end_(false),
     aliasing_enabled_(false),
-    current_limit_(INT_MAX),
+    current_limit_(kint32max),
     buffer_size_after_limit_(0),
     total_bytes_limit_(kDefaultTotalBytesLimit),
     total_bytes_warning_threshold_(kDefaultTotalBytesWarningThreshold),
     recursion_depth_(0),
-    recursion_limit_(kDefaultRecursionLimit),
+    recursion_limit_(default_recursion_limit_),
     extension_pool_(NULL),
     extension_factory_(NULL) {
   // Eagerly Refresh() so buffer space is immediately available.
@@ -1070,21 +1113,24 @@ inline CodedInputStream::CodedInputStream(const uint8* buffer, int size)
     total_bytes_limit_(kDefaultTotalBytesLimit),
     total_bytes_warning_threshold_(kDefaultTotalBytesWarningThreshold),
     recursion_depth_(0),
-    recursion_limit_(kDefaultRecursionLimit),
+    recursion_limit_(default_recursion_limit_),
     extension_pool_(NULL),
     extension_factory_(NULL) {
   // Note that setting current_limit_ == size is important to prevent some
   // code paths from trying to access input_ and segfaulting.
 }
 
-inline CodedInputStream::~CodedInputStream() {
-  if (input_ != NULL) {
-    BackUpInputToCurrentPosition();
-  }
+inline bool CodedInputStream::IsFlat() const {
+  return input_ == NULL;
 }
 
 }  // namespace io
 }  // namespace protobuf
 
+
+#if defined(_MSC_VER) && _MSC_VER >= 1300
+  #pragma runtime_checks("c", restore)
+#endif  // _MSC_VER
+
 }  // namespace google
 #endif  // GOOGLE_PROTOBUF_IO_CODED_STREAM_H__
diff --git a/common/protobuf-2.3.0/src/google/protobuf/io/coded_stream_inl.h b/common/protobuf-2.5.0/src/google/protobuf/io/coded_stream_inl.h
similarity index 89%
rename from common/protobuf-2.3.0/src/google/protobuf/io/coded_stream_inl.h
rename to common/protobuf-2.5.0/src/google/protobuf/io/coded_stream_inl.h
index e9799d47..144f44f0 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/io/coded_stream_inl.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/io/coded_stream_inl.h
@@ -38,7 +38,7 @@
 
 #include <google/protobuf/io/coded_stream.h>
 #include <string>
-#include <google/protobuf/stubs/stl_util-inl.h>
+#include <google/protobuf/stubs/stl_util.h>
 
 namespace google {
 namespace protobuf {
@@ -50,8 +50,12 @@ inline bool CodedInputStream::InternalReadStringInline(string* buffer,
 
   if (BufferSize() >= size) {
     STLStringResizeUninitialized(buffer, size);
-    memcpy(string_as_array(buffer), buffer_, size);
-    Advance(size);
+    // When buffer is empty, string_as_array(buffer) will return NULL but memcpy
+    // requires non-NULL pointers even when size is 0. Hench this check.
+    if (size > 0) {
+      memcpy(string_as_array(buffer), buffer_, size);
+      Advance(size);
+    }
     return true;
   }
 
diff --git a/common/protobuf-2.3.0/src/google/protobuf/io/coded_stream_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/io/coded_stream_unittest.cc
similarity index 92%
rename from common/protobuf-2.3.0/src/google/protobuf/io/coded_stream_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/io/coded_stream_unittest.cc
index 7d298332..2daab194 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/io/coded_stream_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/io/coded_stream_unittest.cc
@@ -44,7 +44,6 @@
 #include <google/protobuf/testing/googletest.h>
 #include <gtest/gtest.h>
 #include <google/protobuf/io/zero_copy_stream_impl.h>
-#include <google/protobuf/stubs/strutil.h>
 
 
 // This declares an unsigned long long integer literal in a portable way.
@@ -125,6 +124,13 @@ namespace {
 
 class CodedStreamTest : public testing::Test {
  protected:
+  // Helper method used by tests for bytes warning. See implementation comment
+  // for further information.
+  static void SetupTotalBytesLimitWarningTest(
+      int total_bytes_limit, int warning_threshold,
+      vector<string>* out_errors, vector<string>* out_warnings);
+
+  // Buffer used during most of the tests. This assumes tests run sequentially.
   static const int kBufferSize = 1024 * 64;
   static uint8 buffer_[kBufferSize];
 };
@@ -208,6 +214,33 @@ TEST_2D(CodedStreamTest, ReadTag, kVarintCases, kBlockSizes) {
   EXPECT_EQ(kVarintCases_case.size, input.ByteCount());
 }
 
+// This is the regression test that verifies that there is no issues
+// with the empty input buffers handling.
+TEST_F(CodedStreamTest, EmptyInputBeforeEos) {
+  class In : public ZeroCopyInputStream {
+   public:
+    In() : count_(0) {}
+   private:
+    virtual bool Next(const void** data, int* size) {
+      *data = NULL;
+      *size = 0;
+      return count_++ < 2;
+    }
+    virtual void BackUp(int count)  {
+      GOOGLE_LOG(FATAL) << "Tests never call this.";
+    }
+    virtual bool Skip(int count) {
+      GOOGLE_LOG(FATAL) << "Tests never call this.";
+      return false;
+    }
+    virtual int64 ByteCount() const { return 0; }
+    int count_;
+  } in;
+  CodedInputStream input(&in);
+  input.ReadTag();
+  EXPECT_TRUE(input.ConsumedEntireMessage());
+}
+
 TEST_1D(CodedStreamTest, ExpectTag, kVarintCases) {
   // Leave one byte at the beginning of the buffer so we can read it
   // to force the first buffer to be loaded.
@@ -995,6 +1028,60 @@ TEST_F(CodedStreamTest, TotalBytesLimitNotValidMessageEnd) {
   EXPECT_FALSE(coded_input.ConsumedEntireMessage());
 }
 
+// This method is used by the tests below.
+// It constructs a CodedInputStream with the given limits and tries to read 2KiB
+// of data from it. Then it returns the logged errors and warnings in the given
+// vectors.
+void CodedStreamTest::SetupTotalBytesLimitWarningTest(
+    int total_bytes_limit, int warning_threshold,
+    vector<string>* out_errors, vector<string>* out_warnings) {
+  ArrayInputStream raw_input(buffer_, sizeof(buffer_), 128);
+
+  ScopedMemoryLog scoped_log;
+  {
+    CodedInputStream input(&raw_input);
+    input.SetTotalBytesLimit(total_bytes_limit, warning_threshold);
+    string str;
+    EXPECT_TRUE(input.ReadString(&str, 2048));
+  }
+
+  *out_errors = scoped_log.GetMessages(ERROR);
+  *out_warnings = scoped_log.GetMessages(WARNING);
+}
+
+TEST_F(CodedStreamTest, TotalBytesLimitWarning) {
+  vector<string> errors;
+  vector<string> warnings;
+  SetupTotalBytesLimitWarningTest(10240, 1024, &errors, &warnings);
+
+  EXPECT_EQ(0, errors.size());
+
+  ASSERT_EQ(2, warnings.size());
+  EXPECT_PRED_FORMAT2(testing::IsSubstring,
+    "Reading dangerously large protocol message.  If the message turns out to "
+    "be larger than 10240 bytes, parsing will be halted for security reasons.",
+    warnings[0]);
+  EXPECT_PRED_FORMAT2(testing::IsSubstring,
+    "The total number of bytes read was 2048",
+    warnings[1]);
+}
+
+TEST_F(CodedStreamTest, TotalBytesLimitWarningDisabled) {
+  vector<string> errors;
+  vector<string> warnings;
+
+  // Test with -1
+  SetupTotalBytesLimitWarningTest(10240, -1, &errors, &warnings);
+  EXPECT_EQ(0, errors.size());
+  EXPECT_EQ(0, warnings.size());
+
+  // Test again with -2, expecting the same result
+  SetupTotalBytesLimitWarningTest(10240, -2, &errors, &warnings);
+  EXPECT_EQ(0, errors.size());
+  EXPECT_EQ(0, warnings.size());
+}
+
+
 TEST_F(CodedStreamTest, RecursionLimit) {
   ArrayInputStream input(buffer_, sizeof(buffer_));
   CodedInputStream coded_input(&input);
@@ -1032,6 +1119,7 @@ TEST_F(CodedStreamTest, RecursionLimit) {
   EXPECT_FALSE(coded_input.IncrementRecursionDepth());     // 7
 }
 
+
 class ReallyBigInputStream : public ZeroCopyInputStream {
  public:
   ReallyBigInputStream() : backup_amount_(0), buffer_count_(0) {}
diff --git a/common/protobuf-2.3.0/src/google/protobuf/io/gzip_stream.cc b/common/protobuf-2.5.0/src/google/protobuf/io/gzip_stream.cc
similarity index 88%
rename from common/protobuf-2.3.0/src/google/protobuf/io/gzip_stream.cc
rename to common/protobuf-2.5.0/src/google/protobuf/io/gzip_stream.cc
index 84d277f4..fe1f3319 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/io/gzip_stream.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/io/gzip_stream.cc
@@ -73,6 +73,17 @@ GzipInputStream::~GzipInputStream() {
   zerror_ = inflateEnd(&zcontext_);
 }
 
+static inline int internalInflateInit2(
+    z_stream* zcontext, GzipInputStream::Format format) {
+  int windowBitsFormat = 0;
+  switch (format) {
+    case GzipInputStream::GZIP: windowBitsFormat = 16; break;
+    case GzipInputStream::AUTO: windowBitsFormat = 32; break;
+    case GzipInputStream::ZLIB: windowBitsFormat = 0; break;
+  }
+  return inflateInit2(zcontext, /* windowBits */15 | windowBitsFormat);
+}
+
 int GzipInputStream::Inflate(int flush) {
   if ((zerror_ == Z_OK) && (zcontext_.avail_out == 0)) {
     // previous inflate filled output buffer. don't change input params yet.
@@ -89,14 +100,7 @@ int GzipInputStream::Inflate(int flush) {
     zcontext_.next_in = static_cast<Bytef*>(const_cast<void*>(in));
     zcontext_.avail_in = in_size;
     if (first) {
-      int windowBitsFormat = 0;
-      switch (format_) {
-        case GZIP: windowBitsFormat = 16; break;
-        case AUTO: windowBitsFormat = 32; break;
-        case ZLIB: windowBitsFormat = 0; break;
-      }
-      int error = inflateInit2(&zcontext_,
-        /* windowBits */15 | windowBitsFormat);
+      int error = internalInflateInit2(&zcontext_, format_);
       if (error != Z_OK) {
         return error;
       }
@@ -127,9 +131,21 @@ bool GzipInputStream::Next(const void** data, int* size) {
     return true;
   }
   if (zerror_ == Z_STREAM_END) {
-    *data = NULL;
-    *size = 0;
-    return false;
+    if (zcontext_.next_out != NULL) {
+      // sub_stream_ may have concatenated streams to follow
+      zerror_ = inflateEnd(&zcontext_);
+      if (zerror_ != Z_OK) {
+        return false;
+      }
+      zerror_ = internalInflateInit2(&zcontext_, format_);
+      if (zerror_ != Z_OK) {
+        return false;
+      }
+    } else {
+      *data = NULL;
+      *size = 0;
+      return false;
+    }
   }
   zerror_ = Inflate(Z_NO_FLUSH);
   if ((zerror_ == Z_STREAM_END) && (zcontext_.next_out == NULL)) {
@@ -183,16 +199,6 @@ GzipOutputStream::GzipOutputStream(ZeroCopyOutputStream* sub_stream,
   Init(sub_stream, options);
 }
 
-GzipOutputStream::GzipOutputStream(
-    ZeroCopyOutputStream* sub_stream, Format format, int buffer_size) {
-  Options options;
-  options.format = format;
-  if (buffer_size != -1) {
-    options.buffer_size = buffer_size;
-  }
-  Init(sub_stream, options);
-}
-
 void GzipOutputStream::Init(ZeroCopyOutputStream* sub_stream,
                             const Options& options) {
   sub_stream_ = sub_stream;
@@ -251,8 +257,7 @@ int GzipOutputStream::Deflate(int flush) {
     }
     error = deflate(&zcontext_, flush);
   } while (error == Z_OK && zcontext_.avail_out == 0);
-  if (((flush == Z_FULL_FLUSH) || (flush == Z_FINISH))
-      && (zcontext_.avail_out != sub_data_size_)) {
+  if ((flush == Z_FULL_FLUSH) || (flush == Z_FINISH)) {
     // Notify lower layer of data.
     sub_stream_->BackUp(zcontext_.avail_out);
     // We don't own the buffer anymore.
@@ -294,10 +299,11 @@ int64 GzipOutputStream::ByteCount() const {
 }
 
 bool GzipOutputStream::Flush() {
-  do {
-    zerror_ = Deflate(Z_FULL_FLUSH);
-  } while (zerror_ == Z_OK);
-  return zerror_ == Z_OK;
+  zerror_ = Deflate(Z_FULL_FLUSH);
+  // Return true if the flush succeeded or if it was a no-op.
+  return  (zerror_ == Z_OK) ||
+      (zerror_ == Z_BUF_ERROR && zcontext_.avail_in == 0 &&
+       zcontext_.avail_out != 0);
 }
 
 bool GzipOutputStream::Close() {
diff --git a/common/protobuf-2.3.0/src/google/protobuf/io/gzip_stream.h b/common/protobuf-2.5.0/src/google/protobuf/io/gzip_stream.h
similarity index 94%
rename from common/protobuf-2.3.0/src/google/protobuf/io/gzip_stream.h
rename to common/protobuf-2.5.0/src/google/protobuf/io/gzip_stream.h
index 65dbc5b5..365e9ea5 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/io/gzip_stream.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/io/gzip_stream.h
@@ -45,6 +45,7 @@
 
 #include <zlib.h>
 
+#include <google/protobuf/stubs/common.h>
 #include <google/protobuf/io/zero_copy_stream.h>
 
 namespace google {
@@ -117,7 +118,7 @@ class LIBPROTOBUF_EXPORT GzipOutputStream : public ZeroCopyOutputStream {
     ZLIB = 2,
   };
 
-  struct Options {
+  struct LIBPROTOBUF_EXPORT Options {
     // Defaults to GZIP.
     Format format;
 
@@ -144,12 +145,6 @@ class LIBPROTOBUF_EXPORT GzipOutputStream : public ZeroCopyOutputStream {
       ZeroCopyOutputStream* sub_stream,
       const Options& options);
 
-  // DEPRECATED:  Use one of the above constructors instead.
-  GzipOutputStream(
-      ZeroCopyOutputStream* sub_stream,
-      Format format,
-      int buffer_size = -1) GOOGLE_ATTRIBUTE_DEPRECATED;
-
   virtual ~GzipOutputStream();
 
   // Return last error message or NULL if no error.
@@ -165,6 +160,13 @@ class LIBPROTOBUF_EXPORT GzipOutputStream : public ZeroCopyOutputStream {
   // necessary.
   // Compression may be less efficient stopping and starting around flushes.
   // Returns true if no error.
+  //
+  // Please ensure that block size is > 6. Here is an excerpt from the zlib
+  // doc that explains why:
+  //
+  // In the case of a Z_FULL_FLUSH or Z_SYNC_FLUSH, make sure that avail_out
+  // is greater than six to avoid repeated flush markers due to
+  // avail_out == 0 on return.
   bool Flush();
 
   // Writes out all data and closes the gzip stream.
diff --git a/common/protobuf-2.3.0/src/google/protobuf/io/gzip_stream_unittest.sh b/common/protobuf-2.5.0/src/google/protobuf/io/gzip_stream_unittest.sh
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/io/gzip_stream_unittest.sh
rename to common/protobuf-2.5.0/src/google/protobuf/io/gzip_stream_unittest.sh
diff --git a/common/protobuf-2.3.0/src/google/protobuf/io/package_info.h b/common/protobuf-2.5.0/src/google/protobuf/io/package_info.h
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/io/package_info.h
rename to common/protobuf-2.5.0/src/google/protobuf/io/package_info.h
diff --git a/common/protobuf-2.3.0/src/google/protobuf/io/printer.cc b/common/protobuf-2.5.0/src/google/protobuf/io/printer.cc
similarity index 91%
rename from common/protobuf-2.3.0/src/google/protobuf/io/printer.cc
rename to common/protobuf-2.5.0/src/google/protobuf/io/printer.cc
index c7d3074d..d2bf3f54 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/io/printer.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/io/printer.cc
@@ -35,7 +35,6 @@
 #include <google/protobuf/io/printer.h>
 #include <google/protobuf/io/zero_copy_stream.h>
 #include <google/protobuf/stubs/common.h>
-#include <google/protobuf/stubs/strutil.h>
 
 namespace google {
 namespace protobuf {
@@ -51,8 +50,8 @@ Printer::Printer(ZeroCopyOutputStream* output, char variable_delimiter)
 }
 
 Printer::~Printer() {
-  // Only BackUp() if we're sure we've successfully called Next() at least once.
-  if (buffer_size_ > 0) {
+  // Only BackUp() if we have called Next() at least once and never failed.
+  if (buffer_size_ > 0 && !failed_) {
     output_->BackUp(buffer_size_);
   }
 }
@@ -132,6 +131,17 @@ void Printer::Print(const char* text,
   Print(vars, text);
 }
 
+void Printer::Print(const char* text,
+                    const char* variable1, const string& value1,
+                    const char* variable2, const string& value2,
+                    const char* variable3, const string& value3) {
+  map<string, string> vars;
+  vars[variable1] = value1;
+  vars[variable2] = value2;
+  vars[variable3] = value3;
+  Print(vars, text);
+}
+
 void Printer::Indent() {
   indent_ += "  ";
 }
@@ -158,7 +168,7 @@ void Printer::WriteRaw(const char* data, int size) {
   if (failed_) return;
   if (size == 0) return;
 
-  if (at_start_of_line_) {
+  if (at_start_of_line_ && (size > 0) && (data[0] != '\n')) {
     // Insert an indent.
     at_start_of_line_ = false;
     WriteRaw(indent_.data(), indent_.size());
diff --git a/common/protobuf-2.3.0/src/google/protobuf/io/printer.h b/common/protobuf-2.5.0/src/google/protobuf/io/printer.h
similarity index 93%
rename from common/protobuf-2.3.0/src/google/protobuf/io/printer.h
rename to common/protobuf-2.5.0/src/google/protobuf/io/printer.h
index de085389..5be48543 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/io/printer.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/io/printer.h
@@ -82,7 +82,11 @@ class LIBPROTOBUF_EXPORT Printer {
   // Like the first Print(), except the substitutions are given as parameters.
   void Print(const char* text, const char* variable1, const string& value1,
                                const char* variable2, const string& value2);
-  // TODO(kenton):  Overloaded versions with more variables?  Two seems
+  // Like the first Print(), except the substitutions are given as parameters.
+  void Print(const char* text, const char* variable1, const string& value1,
+                               const char* variable2, const string& value2,
+                               const char* variable3, const string& value3);
+  // TODO(kenton):  Overloaded versions with more variables?  Three seems
   //   to be enough.
 
   // Indent text by two spaces.  After calling Indent(), two spaces will be
diff --git a/common/protobuf-2.3.0/src/google/protobuf/io/printer_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/io/printer_unittest.cc
similarity index 91%
rename from common/protobuf-2.3.0/src/google/protobuf/io/printer_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/io/printer_unittest.cc
index 580a53da..c9b30359 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/io/printer_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/io/printer_unittest.cc
@@ -220,7 +220,7 @@ TEST(Printer, Indenting) {
 }
 
 // Death tests do not work on Windows as of yet.
-#ifdef GTEST_HAS_DEATH_TEST
+#ifdef PROTOBUF_HAS_DEATH_TEST
 TEST(Printer, Death) {
   char buffer[8192];
 
@@ -231,9 +231,33 @@ TEST(Printer, Death) {
   EXPECT_DEBUG_DEATH(printer.Print("$unclosed"), "Unclosed variable name");
   EXPECT_DEBUG_DEATH(printer.Outdent(), "without matching Indent");
 }
-#endif  // GTEST_HAS_DEATH_TEST
+#endif  // PROTOBUF__HAS_DEATH_TEST
 
-TEST(Printer, WriteFailure) {
+TEST(Printer, WriteFailurePartial) {
+  char buffer[17];
+
+  ArrayOutputStream output(buffer, sizeof(buffer));
+  Printer printer(&output, '$');
+
+  // Print 16 bytes to almost fill the buffer (should not fail).
+  printer.Print("0123456789abcdef");
+  EXPECT_FALSE(printer.failed());
+
+  // Try to print 2 chars. Only one fits.
+  printer.Print("<>");
+  EXPECT_TRUE(printer.failed());
+
+  // Anything else should fail too.
+  printer.Print(" ");
+  EXPECT_TRUE(printer.failed());
+  printer.Print("blah");
+  EXPECT_TRUE(printer.failed());
+
+  // Buffer should contain the first 17 bytes written.
+  EXPECT_EQ("0123456789abcdef<", string(buffer, sizeof(buffer)));
+}
+
+TEST(Printer, WriteFailureExact) {
   char buffer[16];
 
   ArrayOutputStream output(buffer, sizeof(buffer));
diff --git a/common/protobuf-2.3.0/src/google/protobuf/io/tokenizer.cc b/common/protobuf-2.5.0/src/google/protobuf/io/tokenizer.cc
similarity index 58%
rename from common/protobuf-2.3.0/src/google/protobuf/io/tokenizer.cc
rename to common/protobuf-2.5.0/src/google/protobuf/io/tokenizer.cc
index 38fa351c..a022b71d 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/io/tokenizer.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/io/tokenizer.cc
@@ -89,8 +89,11 @@
 // exactly pretty.
 
 #include <google/protobuf/io/tokenizer.h>
+#include <google/protobuf/stubs/common.h>
+#include <google/protobuf/stubs/stringprintf.h>
 #include <google/protobuf/io/zero_copy_stream.h>
 #include <google/protobuf/stubs/strutil.h>
+#include <google/protobuf/stubs/stl_util.h>
 
 namespace google {
 namespace protobuf {
@@ -118,6 +121,8 @@ namespace {
 
 CHARACTER_CLASS(Whitespace, c == ' ' || c == '\n' || c == '\t' ||
                             c == '\r' || c == '\v' || c == '\f');
+CHARACTER_CLASS(WhitespaceNoNewline, c == ' ' || c == '\t' ||
+                                     c == '\r' || c == '\v' || c == '\f');
 
 CHARACTER_CLASS(Unprintable, c < ' ' && c > '\0');
 
@@ -187,12 +192,14 @@ Tokenizer::Tokenizer(ZeroCopyInputStream* input,
     read_error_(false),
     line_(0),
     column_(0),
-    token_start_(-1),
+    record_target_(NULL),
+    record_start_(-1),
     allow_f_after_float_(false),
     comment_style_(CPP_COMMENT_STYLE) {
 
   current_.line = 0;
   current_.column = 0;
+  current_.end_column = 0;
   current_.type = TYPE_START;
 
   Refresh();
@@ -237,9 +244,9 @@ void Tokenizer::Refresh() {
   }
 
   // If we're in a token, append the rest of the buffer to it.
-  if (token_start_ >= 0 && token_start_ < buffer_size_) {
-    current_.text.append(buffer_ + token_start_, buffer_size_ - token_start_);
-    token_start_ = 0;
+  if (record_target_ != NULL && record_start_ < buffer_size_) {
+    record_target_->append(buffer_ + record_start_, buffer_size_ - record_start_);
+    record_start_ = 0;
   }
 
   const void* data = NULL;
@@ -260,23 +267,34 @@ void Tokenizer::Refresh() {
   current_char_ = buffer_[0];
 }
 
-inline void Tokenizer::StartToken() {
-  token_start_ = buffer_pos_;
-  current_.type = TYPE_START;    // Just for the sake of initializing it.
-  current_.text.clear();
-  current_.line = line_;
-  current_.column = column_;
+inline void Tokenizer::RecordTo(string* target) {
+  record_target_ = target;
+  record_start_ = buffer_pos_;
 }
 
-inline void Tokenizer::EndToken() {
+inline void Tokenizer::StopRecording() {
   // Note:  The if() is necessary because some STL implementations crash when
   //   you call string::append(NULL, 0), presumably because they are trying to
   //   be helpful by detecting the NULL pointer, even though there's nothing
   //   wrong with reading zero bytes from NULL.
-  if (buffer_pos_ != token_start_) {
-    current_.text.append(buffer_ + token_start_, buffer_pos_ - token_start_);
+  if (buffer_pos_ != record_start_) {
+    record_target_->append(buffer_ + record_start_, buffer_pos_ - record_start_);
   }
-  token_start_ = -1;
+  record_target_ = NULL;
+  record_start_ = -1;
+}
+
+inline void Tokenizer::StartToken() {
+  current_.type = TYPE_START;    // Just for the sake of initializing it.
+  current_.text.clear();
+  current_.line = line_;
+  current_.column = column_;
+  RecordTo(&current_.text);
+}
+
+inline void Tokenizer::EndToken() {
+  StopRecording();
+  current_.end_column = column_;
 }
 
 // -------------------------------------------------------------------
@@ -351,6 +369,27 @@ void Tokenizer::ConsumeString(char delimiter) {
             AddError("Expected hex digits for escape sequence.");
           }
           // Possibly followed by another hex digit, but again we don't care.
+        } else if (TryConsume('u')) {
+          if (!TryConsumeOne<HexDigit>() ||
+              !TryConsumeOne<HexDigit>() ||
+              !TryConsumeOne<HexDigit>() ||
+              !TryConsumeOne<HexDigit>()) {
+            AddError("Expected four hex digits for \\u escape sequence.");
+          }
+        } else if (TryConsume('U')) {
+          // We expect 8 hex digits; but only the range up to 0x10ffff is
+          // legal.
+          if (!TryConsume('0') ||
+              !TryConsume('0') ||
+              !(TryConsume('0') || TryConsume('1')) ||
+              !TryConsumeOne<HexDigit>() ||
+              !TryConsumeOne<HexDigit>() ||
+              !TryConsumeOne<HexDigit>() ||
+              !TryConsumeOne<HexDigit>() ||
+              !TryConsumeOne<HexDigit>()) {
+            AddError("Expected eight hex digits up to 10ffff for \\U escape "
+                     "sequence");
+          }
         } else {
           AddError("Invalid escape sequence in string literal.");
         }
@@ -424,26 +463,51 @@ Tokenizer::TokenType Tokenizer::ConsumeNumber(bool started_with_zero,
   return is_float ? TYPE_FLOAT : TYPE_INTEGER;
 }
 
-void Tokenizer::ConsumeLineComment() {
+void Tokenizer::ConsumeLineComment(string* content) {
+  if (content != NULL) RecordTo(content);
+
   while (current_char_ != '\0' && current_char_ != '\n') {
     NextChar();
   }
   TryConsume('\n');
+
+  if (content != NULL) StopRecording();
 }
 
-void Tokenizer::ConsumeBlockComment() {
+void Tokenizer::ConsumeBlockComment(string* content) {
   int start_line = line_;
   int start_column = column_ - 2;
 
+  if (content != NULL) RecordTo(content);
+
   while (true) {
     while (current_char_ != '\0' &&
            current_char_ != '*' &&
-           current_char_ != '/') {
+           current_char_ != '/' &&
+           current_char_ != '\n') {
       NextChar();
     }
 
-    if (TryConsume('*') && TryConsume('/')) {
+    if (TryConsume('\n')) {
+      if (content != NULL) StopRecording();
+
+      // Consume leading whitespace and asterisk;
+      ConsumeZeroOrMore<WhitespaceNoNewline>();
+      if (TryConsume('*')) {
+        if (TryConsume('/')) {
+          // End of comment.
+          break;
+        }
+      }
+
+      if (content != NULL) RecordTo(content);
+    } else if (TryConsume('*') && TryConsume('/')) {
       // End of comment.
+      if (content != NULL) {
+        StopRecording();
+        // Strip trailing "*/".
+        content->erase(content->size() - 2);
+      }
       break;
     } else if (TryConsume('/') && current_char_ == '*') {
       // Note:  We didn't consume the '*' because if there is a '/' after it
@@ -454,42 +518,59 @@ void Tokenizer::ConsumeBlockComment() {
       AddError("End-of-file inside block comment.");
       error_collector_->AddError(
         start_line, start_column, "  Comment started here.");
+      if (content != NULL) StopRecording();
       break;
     }
   }
 }
 
+Tokenizer::NextCommentStatus Tokenizer::TryConsumeCommentStart() {
+  if (comment_style_ == CPP_COMMENT_STYLE && TryConsume('/')) {
+    if (TryConsume('/')) {
+      return LINE_COMMENT;
+    } else if (TryConsume('*')) {
+      return BLOCK_COMMENT;
+    } else {
+      // Oops, it was just a slash.  Return it.
+      current_.type = TYPE_SYMBOL;
+      current_.text = "/";
+      current_.line = line_;
+      current_.column = column_ - 1;
+      current_.end_column = column_;
+      return SLASH_NOT_COMMENT;
+    }
+  } else if (comment_style_ == SH_COMMENT_STYLE && TryConsume('#')) {
+    return LINE_COMMENT;
+  } else {
+    return NO_COMMENT;
+  }
+}
+
 // -------------------------------------------------------------------
 
 bool Tokenizer::Next() {
-  TokenType last_token_type = current_.type;
-
-  // Did we skip any characters after the last token?
-  bool skipped_stuff = false;
+  previous_ = current_;
 
   while (!read_error_) {
-    if (TryConsumeOne<Whitespace>()) {
-      ConsumeZeroOrMore<Whitespace>();
+    ConsumeZeroOrMore<Whitespace>();
 
-    } else if (comment_style_ == CPP_COMMENT_STYLE && TryConsume('/')) {
-      // Starting a comment?
-      if (TryConsume('/')) {
-        ConsumeLineComment();
-      } else if (TryConsume('*')) {
-        ConsumeBlockComment();
-      } else {
-        // Oops, it was just a slash.  Return it.
-        current_.type = TYPE_SYMBOL;
-        current_.text = "/";
-        current_.line = line_;
-        current_.column = column_ - 1;
+    switch (TryConsumeCommentStart()) {
+      case LINE_COMMENT:
+        ConsumeLineComment(NULL);
+        continue;
+      case BLOCK_COMMENT:
+        ConsumeBlockComment(NULL);
+        continue;
+      case SLASH_NOT_COMMENT:
         return true;
-      }
+      case NO_COMMENT:
+        break;
+    }
 
-    } else if (comment_style_ == SH_COMMENT_STYLE && TryConsume('#')) {
-      ConsumeLineComment();
+    // Check for EOF before continuing.
+    if (read_error_) break;
 
-    } else if (LookingAt<Unprintable>() || current_char_ == '\0') {
+    if (LookingAt<Unprintable>() || current_char_ == '\0') {
       AddError("Invalid control characters encountered in text.");
       NextChar();
       // Skip more unprintable characters, too.  But, remember that '\0' is
@@ -517,7 +598,9 @@ bool Tokenizer::Next() {
 
         if (TryConsumeOne<Digit>()) {
           // It's a floating-point number.
-          if (last_token_type == TYPE_IDENTIFIER && !skipped_stuff) {
+          if (previous_.type == TYPE_IDENTIFIER &&
+              current_.line == previous_.line &&
+              current_.column == previous_.end_column) {
             // We don't accept syntax like "blah.123".
             error_collector_->AddError(line_, column_ - 2,
               "Need space between identifier and decimal point.");
@@ -542,8 +625,6 @@ bool Tokenizer::Next() {
       EndToken();
       return true;
     }
-
-    skipped_stuff = true;
   }
 
   // EOF
@@ -551,9 +632,199 @@ bool Tokenizer::Next() {
   current_.text.clear();
   current_.line = line_;
   current_.column = column_;
+  current_.end_column = column_;
   return false;
 }
 
+namespace {
+
+// Helper class for collecting comments and putting them in the right places.
+//
+// This basically just buffers the most recent comment until it can be decided
+// exactly where that comment should be placed.  When Flush() is called, the
+// current comment goes into either prev_trailing_comments or detached_comments.
+// When the CommentCollector is destroyed, the last buffered comment goes into
+// next_leading_comments.
+class CommentCollector {
+ public:
+  CommentCollector(string* prev_trailing_comments,
+                   vector<string>* detached_comments,
+                   string* next_leading_comments)
+      : prev_trailing_comments_(prev_trailing_comments),
+        detached_comments_(detached_comments),
+        next_leading_comments_(next_leading_comments),
+        has_comment_(false),
+        is_line_comment_(false),
+        can_attach_to_prev_(true) {
+    if (prev_trailing_comments != NULL) prev_trailing_comments->clear();
+    if (detached_comments != NULL) detached_comments->clear();
+    if (next_leading_comments != NULL) next_leading_comments->clear();
+  }
+
+  ~CommentCollector() {
+    // Whatever is in the buffer is a leading comment.
+    if (next_leading_comments_ != NULL && has_comment_) {
+      comment_buffer_.swap(*next_leading_comments_);
+    }
+  }
+
+  // About to read a line comment.  Get the comment buffer pointer in order to
+  // read into it.
+  string* GetBufferForLineComment() {
+    // We want to combine with previous line comments, but not block comments.
+    if (has_comment_ && !is_line_comment_) {
+      Flush();
+    }
+    has_comment_ = true;
+    is_line_comment_ = true;
+    return &comment_buffer_;
+  }
+
+  // About to read a block comment.  Get the comment buffer pointer in order to
+  // read into it.
+  string* GetBufferForBlockComment() {
+    if (has_comment_) {
+      Flush();
+    }
+    has_comment_ = true;
+    is_line_comment_ = false;
+    return &comment_buffer_;
+  }
+
+  void ClearBuffer() {
+    comment_buffer_.clear();
+    has_comment_ = false;
+  }
+
+  // Called once we know that the comment buffer is complete and is *not*
+  // connected to the next token.
+  void Flush() {
+    if (has_comment_) {
+      if (can_attach_to_prev_) {
+        if (prev_trailing_comments_ != NULL) {
+          prev_trailing_comments_->append(comment_buffer_);
+        }
+        can_attach_to_prev_ = false;
+      } else {
+        if (detached_comments_ != NULL) {
+          detached_comments_->push_back(comment_buffer_);
+        }
+      }
+      ClearBuffer();
+    }
+  }
+
+  void DetachFromPrev() {
+    can_attach_to_prev_ = false;
+  }
+
+ private:
+  string* prev_trailing_comments_;
+  vector<string>* detached_comments_;
+  string* next_leading_comments_;
+
+  string comment_buffer_;
+
+  // True if any comments were read into comment_buffer_.  This can be true even
+  // if comment_buffer_ is empty, namely if the comment was "/**/".
+  bool has_comment_;
+
+  // Is the comment in the comment buffer a line comment?
+  bool is_line_comment_;
+
+  // Is it still possible that we could be reading a comment attached to the
+  // previous token?
+  bool can_attach_to_prev_;
+};
+
+} // namespace
+
+bool Tokenizer::NextWithComments(string* prev_trailing_comments,
+                                 vector<string>* detached_comments,
+                                 string* next_leading_comments) {
+  CommentCollector collector(prev_trailing_comments, detached_comments,
+                             next_leading_comments);
+
+  if (current_.type == TYPE_START) {
+    collector.DetachFromPrev();
+  } else {
+    // A comment appearing on the same line must be attached to the previous
+    // declaration.
+    ConsumeZeroOrMore<WhitespaceNoNewline>();
+    switch (TryConsumeCommentStart()) {
+      case LINE_COMMENT:
+        ConsumeLineComment(collector.GetBufferForLineComment());
+
+        // Don't allow comments on subsequent lines to be attached to a trailing
+        // comment.
+        collector.Flush();
+        break;
+      case BLOCK_COMMENT:
+        ConsumeBlockComment(collector.GetBufferForBlockComment());
+
+        ConsumeZeroOrMore<WhitespaceNoNewline>();
+        if (!TryConsume('\n')) {
+          // Oops, the next token is on the same line.  If we recorded a comment
+          // we really have no idea which token it should be attached to.
+          collector.ClearBuffer();
+          return Next();
+        }
+
+        // Don't allow comments on subsequent lines to be attached to a trailing
+        // comment.
+        collector.Flush();
+        break;
+      case SLASH_NOT_COMMENT:
+        return true;
+      case NO_COMMENT:
+        if (!TryConsume('\n')) {
+          // The next token is on the same line.  There are no comments.
+          return Next();
+        }
+        break;
+    }
+  }
+
+  // OK, we are now on the line *after* the previous token.
+  while (true) {
+    ConsumeZeroOrMore<WhitespaceNoNewline>();
+
+    switch (TryConsumeCommentStart()) {
+      case LINE_COMMENT:
+        ConsumeLineComment(collector.GetBufferForLineComment());
+        break;
+      case BLOCK_COMMENT:
+        ConsumeBlockComment(collector.GetBufferForBlockComment());
+
+        // Consume the rest of the line so that we don't interpret it as a
+        // blank line the next time around the loop.
+        ConsumeZeroOrMore<WhitespaceNoNewline>();
+        TryConsume('\n');
+        break;
+      case SLASH_NOT_COMMENT:
+        return true;
+      case NO_COMMENT:
+        if (TryConsume('\n')) {
+          // Completely blank line.
+          collector.Flush();
+          collector.DetachFromPrev();
+        } else {
+          bool result = Next();
+          if (!result ||
+              current_.text == "}" ||
+              current_.text == "]" ||
+              current_.text == ")") {
+            // It looks like we're at the end of a scope.  In this case it
+            // makes no sense to attach a comment to the following token.
+            collector.Flush();
+          }
+          return result;
+        }
+        break;
+    }
+  }
+}
+
 // -------------------------------------------------------------------
 // Token-parsing helpers.  Remember that these don't need to report
 // errors since any errors should already have been reported while
@@ -623,17 +894,138 @@ double Tokenizer::ParseFloat(const string& text) {
   return result;
 }
 
+// Helper to append a Unicode code point to a string as UTF8, without bringing
+// in any external dependencies.
+static void AppendUTF8(uint32 code_point, string* output) {
+  uint32 tmp = 0;
+  int len = 0;
+  if (code_point <= 0x7f) {
+    tmp = code_point;
+    len = 1;
+  } else if (code_point <= 0x07ff) {
+    tmp = 0x0000c080 |
+        ((code_point & 0x07c0) << 2) |
+        (code_point & 0x003f);
+    len = 2;
+  } else if (code_point <= 0xffff) {
+    tmp = 0x00e08080 |
+        ((code_point & 0xf000) << 4) |
+        ((code_point & 0x0fc0) << 2) |
+        (code_point & 0x003f);
+    len = 3;
+  } else if (code_point <= 0x1fffff) {
+    tmp = 0xf0808080 |
+        ((code_point & 0x1c0000) << 6) |
+        ((code_point & 0x03f000) << 4) |
+        ((code_point & 0x000fc0) << 2) |
+        (code_point & 0x003f);
+    len = 4;
+  } else {
+    // UTF-16 is only defined for code points up to 0x10FFFF, and UTF-8 is
+    // normally only defined up to there as well.
+    StringAppendF(output, "\\U%08x", code_point);
+    return;
+  }
+  tmp = ghtonl(tmp);
+  output->append(reinterpret_cast<const char*>(&tmp) + sizeof(tmp) - len, len);
+}
+
+// Try to read <len> hex digits from ptr, and stuff the numeric result into
+// *result. Returns true if that many digits were successfully consumed.
+static bool ReadHexDigits(const char* ptr, int len, uint32* result) {
+  *result = 0;
+  if (len == 0) return false;
+  for (const char* end = ptr + len; ptr < end; ++ptr) {
+    if (*ptr == '\0') return false;
+    *result = (*result << 4) + DigitValue(*ptr);
+  }
+  return true;
+}
+
+// Handling UTF-16 surrogate pairs. UTF-16 encodes code points in the range
+// 0x10000...0x10ffff as a pair of numbers, a head surrogate followed by a trail
+// surrogate. These numbers are in a reserved range of Unicode code points, so
+// if we encounter such a pair we know how to parse it and convert it into a
+// single code point.
+static const uint32 kMinHeadSurrogate = 0xd800;
+static const uint32 kMaxHeadSurrogate = 0xdc00;
+static const uint32 kMinTrailSurrogate = 0xdc00;
+static const uint32 kMaxTrailSurrogate = 0xe000;
+
+static inline bool IsHeadSurrogate(uint32 code_point) {
+  return (code_point >= kMinHeadSurrogate) && (code_point < kMaxHeadSurrogate);
+}
+
+static inline bool IsTrailSurrogate(uint32 code_point) {
+  return (code_point >= kMinTrailSurrogate) &&
+      (code_point < kMaxTrailSurrogate);
+}
+
+// Combine a head and trail surrogate into a single Unicode code point.
+static uint32 AssembleUTF16(uint32 head_surrogate, uint32 trail_surrogate) {
+  GOOGLE_DCHECK(IsHeadSurrogate(head_surrogate));
+  GOOGLE_DCHECK(IsTrailSurrogate(trail_surrogate));
+  return 0x10000 + (((head_surrogate - kMinHeadSurrogate) << 10) |
+      (trail_surrogate - kMinTrailSurrogate));
+}
+
+// Convert the escape sequence parameter to a number of expected hex digits.
+static inline int UnicodeLength(char key) {
+  if (key == 'u') return 4;
+  if (key == 'U') return 8;
+  return 0;
+}
+
+// Given a pointer to the 'u' or 'U' starting a Unicode escape sequence, attempt
+// to parse that sequence. On success, returns a pointer to the first char
+// beyond that sequence, and fills in *code_point. On failure, returns ptr
+// itself.
+static const char* FetchUnicodePoint(const char* ptr, uint32* code_point) {
+  const char* p = ptr;
+  // Fetch the code point.
+  const int len = UnicodeLength(*p++);
+  if (!ReadHexDigits(p, len, code_point))
+    return ptr;
+  p += len;
+
+  // Check if the code point we read is a "head surrogate." If so, then we
+  // expect it to be immediately followed by another code point which is a valid
+  // "trail surrogate," and together they form a UTF-16 pair which decodes into
+  // a single Unicode point. Trail surrogates may only use \u, not \U.
+  if (IsHeadSurrogate(*code_point) && *p == '\\' && *(p + 1) == 'u') {
+    uint32 trail_surrogate;
+    if (ReadHexDigits(p + 2, 4, &trail_surrogate) &&
+        IsTrailSurrogate(trail_surrogate)) {
+      *code_point = AssembleUTF16(*code_point, trail_surrogate);
+      p += 6;
+    }
+    // If this failed, then we just emit the head surrogate as a code point.
+    // It's bogus, but so is the string.
+  }
+
+  return p;
+}
+
+// The text string must begin and end with single or double quote
+// characters.
 void Tokenizer::ParseStringAppend(const string& text, string* output) {
-  // Reminder:  text[0] is always the quote character.  (If text is
-  //   empty, it's invalid, so we'll just return.)
-  if (text.empty()) {
+  // Reminder: text[0] is always a quote character.  (If text is
+  // empty, it's invalid, so we'll just return).
+  const size_t text_size = text.size();
+  if (text_size == 0) {
     GOOGLE_LOG(DFATAL)
       << " Tokenizer::ParseStringAppend() passed text that could not"
          " have been tokenized as a string: " << CEscape(text);
     return;
   }
 
-  output->reserve(output->size() + text.size());
+  // Reserve room for new string. The branch is necessary because if
+  // there is already space available the reserve() call might
+  // downsize the output.
+  const size_t new_len = text_size + output->size();
+  if (new_len > output->capacity()) {
+    output->reserve(new_len);
+  }
 
   // Loop through the string copying characters to "output" and
   // interpreting escape sequences.  Note that any invalid escape
@@ -671,19 +1063,27 @@ void Tokenizer::ParseStringAppend(const string& text, string* output) {
         }
         output->push_back(static_cast<char>(code));
 
+      } else if (*ptr == 'u' || *ptr == 'U') {
+        uint32 unicode;
+        const char* end = FetchUnicodePoint(ptr, &unicode);
+        if (end == ptr) {
+          // Failure: Just dump out what we saw, don't try to parse it.
+          output->push_back(*ptr);
+        } else {
+          AppendUTF8(unicode, output);
+          ptr = end - 1;  // Because we're about to ++ptr.
+        }
       } else {
         // Some other escape code.
         output->push_back(TranslateEscape(*ptr));
       }
 
-    } else if (*ptr == text[0]) {
-      // Ignore quote matching the starting quote.
+    } else if (*ptr == text[0] && ptr[1] == '\0') {
+      // Ignore final quote matching the starting quote.
     } else {
       output->push_back(*ptr);
     }
   }
-
-  return;
 }
 
 }  // namespace io
diff --git a/common/protobuf-2.3.0/src/google/protobuf/io/tokenizer.h b/common/protobuf-2.5.0/src/google/protobuf/io/tokenizer.h
similarity index 79%
rename from common/protobuf-2.3.0/src/google/protobuf/io/tokenizer.h
rename to common/protobuf-2.5.0/src/google/protobuf/io/tokenizer.h
index d115161f..d85b82f9 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/io/tokenizer.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/io/tokenizer.h
@@ -38,6 +38,7 @@
 #define GOOGLE_PROTOBUF_IO_TOKENIZER_H__
 
 #include <string>
+#include <vector>
 #include <google/protobuf/stubs/common.h>
 
 namespace google {
@@ -122,16 +123,68 @@ class LIBPROTOBUF_EXPORT Tokenizer {
     // the token within the input stream.  They are zero-based.
     int line;
     int column;
+    int end_column;
   };
 
   // Get the current token.  This is updated when Next() is called.  Before
   // the first call to Next(), current() has type TYPE_START and no contents.
   const Token& current();
 
+  // Return the previous token -- i.e. what current() returned before the
+  // previous call to Next().
+  const Token& previous();
+
   // Advance to the next token.  Returns false if the end of the input is
   // reached.
   bool Next();
 
+  // Like Next(), but also collects comments which appear between the previous
+  // and next tokens.
+  //
+  // Comments which appear to be attached to the previous token are stored
+  // in *prev_tailing_comments.  Comments which appear to be attached to the
+  // next token are stored in *next_leading_comments.  Comments appearing in
+  // between which do not appear to be attached to either will be added to
+  // detached_comments.  Any of these parameters can be NULL to simply discard
+  // the comments.
+  //
+  // A series of line comments appearing on consecutive lines, with no other
+  // tokens appearing on those lines, will be treated as a single comment.
+  //
+  // Only the comment content is returned; comment markers (e.g. //) are
+  // stripped out.  For block comments, leading whitespace and an asterisk will
+  // be stripped from the beginning of each line other than the first.  Newlines
+  // are included in the output.
+  //
+  // Examples:
+  //
+  //   optional int32 foo = 1;  // Comment attached to foo.
+  //   // Comment attached to bar.
+  //   optional int32 bar = 2;
+  //
+  //   optional string baz = 3;
+  //   // Comment attached to baz.
+  //   // Another line attached to baz.
+  //
+  //   // Comment attached to qux.
+  //   //
+  //   // Another line attached to qux.
+  //   optional double qux = 4;
+  //
+  //   // Detached comment.  This is not attached to qux or corge
+  //   // because there are blank lines separating it from both.
+  //
+  //   optional string corge = 5;
+  //   /* Block comment attached
+  //    * to corge.  Leading asterisks
+  //    * will be removed. */
+  //   /* Block comment attached to
+  //    * grault. */
+  //   optional int32 grault = 6;
+  bool NextWithComments(string* prev_trailing_comments,
+                        vector<string>* detached_comments,
+                        string* next_leading_comments);
+
   // Parse helpers ---------------------------------------------------
 
   // Parses a TYPE_FLOAT token.  This never fails, so long as the text actually
@@ -180,6 +233,7 @@ class LIBPROTOBUF_EXPORT Tokenizer {
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(Tokenizer);
 
   Token current_;           // Returned by current().
+  Token previous_;          // Returned by previous().
 
   ZeroCopyInputStream* input_;
   ErrorCollector* error_collector_;
@@ -194,11 +248,12 @@ class LIBPROTOBUF_EXPORT Tokenizer {
   int line_;
   int column_;
 
-  // Position in buffer_ where StartToken() was called.  If the token
-  // started in the previous buffer, this is zero, and current_.text already
-  // contains the part of the token from the previous buffer.  If not
-  // currently parsing a token, this is -1.
-  int token_start_;
+  // String to which text should be appended as we advance through it.
+  // Call RecordTo(&str) to start recording and StopRecording() to stop.
+  // E.g. StartToken() calls RecordTo(&current_.text).  record_start_ is the
+  // position within the current buffer where recording started.
+  string* record_target_;
+  int record_start_;
 
   // Options.
   bool allow_f_after_float_;
@@ -217,6 +272,9 @@ class LIBPROTOBUF_EXPORT Tokenizer {
   // Read a new buffer from the input.
   void Refresh();
 
+  inline void RecordTo(string* target);
+  inline void StopRecording();
+
   // Called when the current character is the first character of a new
   // token (not including whitespace or comments).
   inline void StartToken();
@@ -249,9 +307,28 @@ class LIBPROTOBUF_EXPORT Tokenizer {
   TokenType ConsumeNumber(bool started_with_zero, bool started_with_dot);
 
   // Consume the rest of a line.
-  void ConsumeLineComment();
+  void ConsumeLineComment(string* content);
   // Consume until "*/".
-  void ConsumeBlockComment();
+  void ConsumeBlockComment(string* content);
+
+  enum NextCommentStatus {
+    // Started a line comment.
+    LINE_COMMENT,
+
+    // Started a block comment.
+    BLOCK_COMMENT,
+
+    // Consumed a slash, then realized it wasn't a comment.  current_ has
+    // been filled in with a slash token.  The caller should return it.
+    SLASH_NOT_COMMENT,
+
+    // We do not appear to be starting a comment here.
+    NO_COMMENT
+  };
+
+  // If we're at the start of a new comment, consume it and return what kind
+  // of comment it is.
+  NextCommentStatus TryConsumeCommentStart();
 
   // -----------------------------------------------------------------
   // These helper methods make the parsing code more readable.  The
@@ -291,6 +368,10 @@ inline const Tokenizer::Token& Tokenizer::current() {
   return current_;
 }
 
+inline const Tokenizer::Token& Tokenizer::previous() {
+  return previous_;
+}
+
 inline void Tokenizer::ParseString(const string& text, string* output) {
   output->clear();
   ParseStringAppend(text, output);
diff --git a/common/protobuf-2.3.0/src/google/protobuf/io/tokenizer_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/io/tokenizer_unittest.cc
similarity index 72%
rename from common/protobuf-2.3.0/src/google/protobuf/io/tokenizer_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/io/tokenizer_unittest.cc
index 358ec567..dbb5be4f 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/io/tokenizer_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/io/tokenizer_unittest.cc
@@ -32,9 +32,10 @@
 //  Based on original Protocol Buffers design by
 //  Sanjay Ghemawat, Jeff Dean, and others.
 
-#include <vector>
-#include <math.h>
 #include <limits.h>
+#include <math.h>
+
+#include <vector>
 
 #include <google/protobuf/io/tokenizer.h>
 #include <google/protobuf/io/zero_copy_stream_impl.h>
@@ -257,6 +258,7 @@ TEST_2D(TokenizerTest, SimpleTokens, kSimpleTokenCases, kBlockSizes) {
   EXPECT_EQ("", tokenizer.current().text);
   EXPECT_EQ(0, tokenizer.current().line);
   EXPECT_EQ(0, tokenizer.current().column);
+  EXPECT_EQ(0, tokenizer.current().end_column);
 
   // Parse the token.
   ASSERT_TRUE(tokenizer.Next());
@@ -268,6 +270,8 @@ TEST_2D(TokenizerTest, SimpleTokens, kSimpleTokenCases, kBlockSizes) {
   // Check that it is located at the beginning of the input
   EXPECT_EQ(0, tokenizer.current().line);
   EXPECT_EQ(0, tokenizer.current().column);
+  EXPECT_EQ(kSimpleTokenCases_case.input.size(),
+            tokenizer.current().end_column);
 
   // There should be no more input.
   EXPECT_FALSE(tokenizer.Next());
@@ -277,6 +281,8 @@ TEST_2D(TokenizerTest, SimpleTokens, kSimpleTokenCases, kBlockSizes) {
   EXPECT_EQ("", tokenizer.current().text);
   EXPECT_EQ(0, tokenizer.current().line);
   EXPECT_EQ(kSimpleTokenCases_case.input.size(), tokenizer.current().column);
+  EXPECT_EQ(kSimpleTokenCases_case.input.size(),
+            tokenizer.current().end_column);
 
   // There should be no errors.
   EXPECT_TRUE(error_collector.text_.empty());
@@ -339,76 +345,83 @@ MultiTokenCase kMultiTokenCases[] = {
 
   // Test all token types at the same time.
   { "foo 1 1.2 + 'bar'", {
-    { Tokenizer::TYPE_IDENTIFIER, "foo"  , 0,  0 },
-    { Tokenizer::TYPE_INTEGER   , "1"    , 0,  4 },
-    { Tokenizer::TYPE_FLOAT     , "1.2"  , 0,  6 },
-    { Tokenizer::TYPE_SYMBOL    , "+"    , 0, 10 },
-    { Tokenizer::TYPE_STRING    , "'bar'", 0, 12 },
-    { Tokenizer::TYPE_END       , ""     , 0, 17 },
+    { Tokenizer::TYPE_IDENTIFIER, "foo"  , 0,  0,  3 },
+    { Tokenizer::TYPE_INTEGER   , "1"    , 0,  4,  5 },
+    { Tokenizer::TYPE_FLOAT     , "1.2"  , 0,  6,  9 },
+    { Tokenizer::TYPE_SYMBOL    , "+"    , 0, 10, 11 },
+    { Tokenizer::TYPE_STRING    , "'bar'", 0, 12, 17 },
+    { Tokenizer::TYPE_END       , ""     , 0, 17, 17 },
   }},
 
   // Test that consecutive symbols are parsed as separate tokens.
   { "!@+%", {
-    { Tokenizer::TYPE_SYMBOL    , "!"    , 0, 0 },
-    { Tokenizer::TYPE_SYMBOL    , "@"    , 0, 1 },
-    { Tokenizer::TYPE_SYMBOL    , "+"    , 0, 2 },
-    { Tokenizer::TYPE_SYMBOL    , "%"    , 0, 3 },
-    { Tokenizer::TYPE_END       , ""     , 0, 4 },
+    { Tokenizer::TYPE_SYMBOL    , "!"    , 0, 0, 1 },
+    { Tokenizer::TYPE_SYMBOL    , "@"    , 0, 1, 2 },
+    { Tokenizer::TYPE_SYMBOL    , "+"    , 0, 2, 3 },
+    { Tokenizer::TYPE_SYMBOL    , "%"    , 0, 3, 4 },
+    { Tokenizer::TYPE_END       , ""     , 0, 4, 4 },
   }},
 
   // Test that newlines affect line numbers correctly.
   { "foo bar\nrab oof", {
-    { Tokenizer::TYPE_IDENTIFIER, "foo", 0,  0 },
-    { Tokenizer::TYPE_IDENTIFIER, "bar", 0,  4 },
-    { Tokenizer::TYPE_IDENTIFIER, "rab", 1,  0 },
-    { Tokenizer::TYPE_IDENTIFIER, "oof", 1,  4 },
-    { Tokenizer::TYPE_END       , ""   , 1,  7 },
+    { Tokenizer::TYPE_IDENTIFIER, "foo", 0,  0, 3 },
+    { Tokenizer::TYPE_IDENTIFIER, "bar", 0,  4, 7 },
+    { Tokenizer::TYPE_IDENTIFIER, "rab", 1,  0, 3 },
+    { Tokenizer::TYPE_IDENTIFIER, "oof", 1,  4, 7 },
+    { Tokenizer::TYPE_END       , ""   , 1,  7, 7 },
   }},
 
   // Test that tabs affect column numbers correctly.
   { "foo\tbar  \tbaz", {
-    { Tokenizer::TYPE_IDENTIFIER, "foo", 0,  0 },
-    { Tokenizer::TYPE_IDENTIFIER, "bar", 0,  8 },
-    { Tokenizer::TYPE_IDENTIFIER, "baz", 0, 16 },
-    { Tokenizer::TYPE_END       , ""   , 0, 19 },
+    { Tokenizer::TYPE_IDENTIFIER, "foo", 0,  0,  3 },
+    { Tokenizer::TYPE_IDENTIFIER, "bar", 0,  8, 11 },
+    { Tokenizer::TYPE_IDENTIFIER, "baz", 0, 16, 19 },
+    { Tokenizer::TYPE_END       , ""   , 0, 19, 19 },
+  }},
+
+  // Test that tabs in string literals affect column numbers correctly.
+  { "\"foo\tbar\" baz", {
+    { Tokenizer::TYPE_STRING    , "\"foo\tbar\"", 0,  0, 12 },
+    { Tokenizer::TYPE_IDENTIFIER, "baz"         , 0, 13, 16 },
+    { Tokenizer::TYPE_END       , ""            , 0, 16, 16 },
   }},
 
   // Test that line comments are ignored.
   { "foo // This is a comment\n"
     "bar // This is another comment", {
-    { Tokenizer::TYPE_IDENTIFIER, "foo", 0,  0 },
-    { Tokenizer::TYPE_IDENTIFIER, "bar", 1,  0 },
-    { Tokenizer::TYPE_END       , ""   , 1, 30 },
+    { Tokenizer::TYPE_IDENTIFIER, "foo", 0,  0,  3 },
+    { Tokenizer::TYPE_IDENTIFIER, "bar", 1,  0,  3 },
+    { Tokenizer::TYPE_END       , ""   , 1, 30, 30 },
   }},
 
   // Test that block comments are ignored.
   { "foo /* This is a block comment */ bar", {
-    { Tokenizer::TYPE_IDENTIFIER, "foo", 0,  0 },
-    { Tokenizer::TYPE_IDENTIFIER, "bar", 0, 34 },
-    { Tokenizer::TYPE_END       , ""   , 0, 37 },
+    { Tokenizer::TYPE_IDENTIFIER, "foo", 0,  0,  3 },
+    { Tokenizer::TYPE_IDENTIFIER, "bar", 0, 34, 37 },
+    { Tokenizer::TYPE_END       , ""   , 0, 37, 37 },
   }},
 
   // Test that sh-style comments are not ignored by default.
   { "foo # bar\n"
     "baz", {
-    { Tokenizer::TYPE_IDENTIFIER, "foo", 0,  0 },
-    { Tokenizer::TYPE_SYMBOL    , "#"  , 0,  4 },
-    { Tokenizer::TYPE_IDENTIFIER, "bar", 0,  6 },
-    { Tokenizer::TYPE_IDENTIFIER, "baz", 1,  0 },
-    { Tokenizer::TYPE_END       , ""   , 1, 3 },
+    { Tokenizer::TYPE_IDENTIFIER, "foo", 0, 0, 3 },
+    { Tokenizer::TYPE_SYMBOL    , "#"  , 0, 4, 5 },
+    { Tokenizer::TYPE_IDENTIFIER, "bar", 0, 6, 9 },
+    { Tokenizer::TYPE_IDENTIFIER, "baz", 1, 0, 3 },
+    { Tokenizer::TYPE_END       , ""   , 1, 3, 3 },
   }},
 
   // Bytes with the high-order bit set should not be seen as control characters.
   { "\300", {
-    { Tokenizer::TYPE_SYMBOL, "\300", 0, 0 },
-    { Tokenizer::TYPE_END   , ""    , 0, 1 },
+    { Tokenizer::TYPE_SYMBOL, "\300", 0, 0, 1 },
+    { Tokenizer::TYPE_END   , ""    , 0, 1, 1 },
   }},
 
   // Test all whitespace chars
   { "foo\n\t\r\v\fbar", {
-    { Tokenizer::TYPE_IDENTIFIER, "foo", 0,  0 },
-    { Tokenizer::TYPE_IDENTIFIER, "bar", 1, 11 },
-    { Tokenizer::TYPE_END       , ""   , 1, 14 },
+    { Tokenizer::TYPE_IDENTIFIER, "foo", 0,  0,  3 },
+    { Tokenizer::TYPE_IDENTIFIER, "bar", 1, 11, 14 },
+    { Tokenizer::TYPE_END       , ""   , 1, 14, 14 },
   }},
 };
 
@@ -425,6 +438,7 @@ TEST_2D(TokenizerTest, MultipleTokens, kMultiTokenCases, kBlockSizes) {
   EXPECT_EQ("", tokenizer.current().text);
   EXPECT_EQ(0, tokenizer.current().line);
   EXPECT_EQ(0, tokenizer.current().column);
+  EXPECT_EQ(0, tokenizer.current().end_column);
 
   // Loop through all expected tokens.
   int i = 0;
@@ -434,6 +448,8 @@ TEST_2D(TokenizerTest, MultipleTokens, kMultiTokenCases, kBlockSizes) {
 
     SCOPED_TRACE(testing::Message() << "Token #" << i << ": " << token.text);
 
+    Tokenizer::Token previous = tokenizer.current();
+
     // Next() should only return false when it hits the end token.
     if (token.type != Tokenizer::TYPE_END) {
       ASSERT_TRUE(tokenizer.Next());
@@ -441,11 +457,19 @@ TEST_2D(TokenizerTest, MultipleTokens, kMultiTokenCases, kBlockSizes) {
       ASSERT_FALSE(tokenizer.Next());
     }
 
+    // Check that the previous token is set correctly.
+    EXPECT_EQ(previous.type, tokenizer.previous().type);
+    EXPECT_EQ(previous.text, tokenizer.previous().text);
+    EXPECT_EQ(previous.line, tokenizer.previous().line);
+    EXPECT_EQ(previous.column, tokenizer.previous().column);
+    EXPECT_EQ(previous.end_column, tokenizer.previous().end_column);
+
     // Check that the token matches the expected one.
     EXPECT_EQ(token.type, tokenizer.current().type);
     EXPECT_EQ(token.text, tokenizer.current().text);
     EXPECT_EQ(token.line, tokenizer.current().line);
     EXPECT_EQ(token.column, tokenizer.current().column);
+    EXPECT_EQ(token.end_column, tokenizer.current().end_column);
 
   } while (token.type != Tokenizer::TYPE_END);
 
@@ -491,6 +515,217 @@ TEST_1D(TokenizerTest, ShCommentStyle, kBlockSizes) {
 
 // -------------------------------------------------------------------
 
+// In each case, the input is expected to have two tokens named "prev" and
+// "next" with comments in between.
+struct DocCommentCase {
+  string input;
+
+  const char* prev_trailing_comments;
+  const char* detached_comments[10];
+  const char* next_leading_comments;
+};
+
+inline ostream& operator<<(ostream& out,
+                           const DocCommentCase& test_case) {
+  return out << CEscape(test_case.input);
+}
+
+DocCommentCase kDocCommentCases[] = {
+  {
+    "prev next",
+
+    "",
+    {},
+    ""
+      },
+
+        {
+      "prev /* ignored */ next",
+
+      "",
+      {},
+      ""
+        },
+
+          {
+        "prev // trailing comment\n"
+            "next",
+
+            " trailing comment\n",
+            {},
+            ""
+          },
+
+            {
+          "prev\n"
+              "// leading comment\n"
+              "// line 2\n"
+              "next",
+
+              "",
+              {},
+              " leading comment\n"
+              " line 2\n"
+            },
+
+              {
+            "prev\n"
+                "// trailing comment\n"
+                "// line 2\n"
+                "\n"
+                "next",
+
+                " trailing comment\n"
+                " line 2\n",
+                {},
+                ""
+              },
+
+                {
+              "prev // trailing comment\n"
+                  "// leading comment\n"
+                  "// line 2\n"
+                  "next",
+
+                  " trailing comment\n",
+                  {},
+                  " leading comment\n"
+                  " line 2\n"
+                },
+
+                  {
+                "prev /* trailing block comment */\n"
+                    "/* leading block comment\n"
+                    " * line 2\n"
+                    " * line 3 */"
+                    "next",
+
+                    " trailing block comment ",
+                    {},
+                    " leading block comment\n"
+                    " line 2\n"
+                    " line 3 "
+                  },
+
+                    {
+                  "prev\n"
+                      "/* trailing block comment\n"
+                      " * line 2\n"
+                      " * line 3\n"
+                      " */\n"
+                      "/* leading block comment\n"
+                      " * line 2\n"
+                      " * line 3 */"
+                      "next",
+
+                      " trailing block comment\n"
+                      " line 2\n"
+                      " line 3\n",
+                      {},
+                      " leading block comment\n"
+                      " line 2\n"
+                      " line 3 "
+                    },
+
+                      {
+                    "prev\n"
+                        "// trailing comment\n"
+                        "\n"
+                        "// detached comment\n"
+                        "// line 2\n"
+                        "\n"
+                        "// second detached comment\n"
+                        "/* third detached comment\n"
+                        " * line 2 */\n"
+                        "// leading comment\n"
+                        "next",
+
+                        " trailing comment\n",
+                        {
+                      " detached comment\n"
+                          " line 2\n",
+                          " second detached comment\n",
+                          " third detached comment\n"
+                          " line 2 "
+                        },
+                          " leading comment\n"
+                        },
+
+                          {
+                        "prev /**/\n"
+                            "\n"
+                            "// detached comment\n"
+                            "\n"
+                            "// leading comment\n"
+                            "next",
+
+                            "",
+                            {
+                          " detached comment\n"
+                            },
+                              " leading comment\n"
+                            },
+
+                              {
+                            "prev /**/\n"
+                                "// leading comment\n"
+                                "next",
+
+                                "",
+                                {},
+                                " leading comment\n"
+                              },
+                              };
+
+TEST_2D(TokenizerTest, DocComments, kDocCommentCases, kBlockSizes) {
+  // Set up the tokenizer.
+  TestInputStream input(kDocCommentCases_case.input.data(),
+                        kDocCommentCases_case.input.size(),
+                        kBlockSizes_case);
+  TestErrorCollector error_collector;
+  Tokenizer tokenizer(&input, &error_collector);
+
+  // Set up a second tokenizer where we'll pass all NULLs to NextWithComments().
+  TestInputStream input2(kDocCommentCases_case.input.data(),
+                        kDocCommentCases_case.input.size(),
+                        kBlockSizes_case);
+  Tokenizer tokenizer2(&input2, &error_collector);
+
+  tokenizer.Next();
+  tokenizer2.Next();
+
+  EXPECT_EQ("prev", tokenizer.current().text);
+  EXPECT_EQ("prev", tokenizer2.current().text);
+
+  string prev_trailing_comments;
+  vector<string> detached_comments;
+  string next_leading_comments;
+  tokenizer.NextWithComments(&prev_trailing_comments, &detached_comments,
+                             &next_leading_comments);
+  tokenizer2.NextWithComments(NULL, NULL, NULL);
+  EXPECT_EQ("next", tokenizer.current().text);
+  EXPECT_EQ("next", tokenizer2.current().text);
+
+  EXPECT_EQ(kDocCommentCases_case.prev_trailing_comments,
+            prev_trailing_comments);
+
+  for (int i = 0; i < detached_comments.size(); i++) {
+    ASSERT_LT(i, GOOGLE_ARRAYSIZE(kDocCommentCases));
+    ASSERT_TRUE(kDocCommentCases_case.detached_comments[i] != NULL);
+    EXPECT_EQ(kDocCommentCases_case.detached_comments[i],
+              detached_comments[i]);
+  }
+
+  // Verify that we matched all the detached comments.
+  EXPECT_EQ(NULL,
+      kDocCommentCases_case.detached_comments[detached_comments.size()]);
+
+  EXPECT_EQ(kDocCommentCases_case.next_leading_comments,
+            next_leading_comments);
+}
+
+// -------------------------------------------------------------------
+
 // Test parse helpers.  It's not really worth setting up a full data-driven
 // test here.
 TEST_F(TokenizerTest, ParseInteger) {
@@ -506,7 +741,7 @@ TEST_F(TokenizerTest, ParseInteger) {
   EXPECT_EQ(0, ParseInteger("0x"));
 
   uint64 i;
-#ifdef GTEST_HAS_DEATH_TEST  // death tests do not work on Windows yet
+#ifdef PROTOBUF_HASDEATH_TEST  // death tests do not work on Windows yet
   // Test invalid integers that will never be tokenized as integers.
   EXPECT_DEBUG_DEATH(Tokenizer::ParseInteger("zxy", kuint64max, &i),
     "passed text that could not have been tokenized as an integer");
@@ -518,7 +753,7 @@ TEST_F(TokenizerTest, ParseInteger) {
     "passed text that could not have been tokenized as an integer");
   EXPECT_DEBUG_DEATH(Tokenizer::ParseInteger("-1", kuint64max, &i),
     "passed text that could not have been tokenized as an integer");
-#endif  // GTEST_HAS_DEATH_TEST
+#endif  // PROTOBUF_HASDEATH_TEST
 
   // Test overflows.
   EXPECT_TRUE (Tokenizer::ParseInteger("0", 0, &i));
@@ -561,7 +796,7 @@ TEST_F(TokenizerTest, ParseFloat) {
   EXPECT_EQ(     0.0, Tokenizer::ParseFloat("1e-9999999999999999999999999999"));
   EXPECT_EQ(HUGE_VAL, Tokenizer::ParseFloat("1e+9999999999999999999999999999"));
 
-#ifdef GTEST_HAS_DEATH_TEST  // death tests do not work on Windows yet
+#ifdef PROTOBUF_HASDEATH_TEST  // death tests do not work on Windows yet
   // Test invalid integers that will never be tokenized as integers.
   EXPECT_DEBUG_DEATH(Tokenizer::ParseFloat("zxy"),
     "passed text that could not have been tokenized as a float");
@@ -569,7 +804,7 @@ TEST_F(TokenizerTest, ParseFloat) {
     "passed text that could not have been tokenized as a float");
   EXPECT_DEBUG_DEATH(Tokenizer::ParseFloat("-1.0"),
     "passed text that could not have been tokenized as a float");
-#endif  // GTEST_HAS_DEATH_TEST
+#endif  // PROTOBUF_HASDEATH_TEST
 }
 
 TEST_F(TokenizerTest, ParseString) {
@@ -591,11 +826,27 @@ TEST_F(TokenizerTest, ParseString) {
   Tokenizer::ParseString("'\\", &output);
   EXPECT_EQ("\\", output);
 
+  // Experiment with Unicode escapes. Here are one-, two- and three-byte Unicode
+  // characters.
+  Tokenizer::ParseString("'\\u0024\\u00a2\\u20ac\\U00024b62XX'", &output);
+  EXPECT_EQ("$¢€𤭢XX", output);
+  // Same thing encoded using UTF16.
+  Tokenizer::ParseString("'\\u0024\\u00a2\\u20ac\\ud852\\udf62XX'", &output);
+  EXPECT_EQ("$¢€𤭢XX", output);
+  // Here's some broken UTF16; there's a head surrogate with no tail surrogate.
+  // We just output this as if it were UTF8; it's not a defined code point, but
+  // it has a defined encoding.
+  Tokenizer::ParseString("'\\ud852XX'", &output);
+  EXPECT_EQ("\xed\xa1\x92XX", output);
+  // Malformed escape: Demons may fly out of the nose.
+  Tokenizer::ParseString("\\u0", &output);
+  EXPECT_EQ("u0", output);
+
   // Test invalid strings that will never be tokenized as strings.
-#ifdef GTEST_HAS_DEATH_TEST  // death tests do not work on Windows yet
+#ifdef PROTOBUF_HASDEATH_TEST  // death tests do not work on Windows yet
   EXPECT_DEBUG_DEATH(Tokenizer::ParseString("", &output),
     "passed text that could not have been tokenized as a string");
-#endif  // GTEST_HAS_DEATH_TEST
+#endif  // PROTOBUF_HASDEATH_TEST
 }
 
 TEST_F(TokenizerTest, ParseStringAppend) {
@@ -635,6 +886,12 @@ ErrorCase kErrorCases[] = {
     "0:4: String literals cannot cross line boundaries.\n" },
   { "'bar\nfoo", true,
     "0:4: String literals cannot cross line boundaries.\n" },
+  { "'\\u01' foo", true,
+    "0:5: Expected four hex digits for \\u escape sequence.\n" },
+  { "'\\u01' foo", true,
+    "0:5: Expected four hex digits for \\u escape sequence.\n" },
+  { "'\\uXYZ' foo", true,
+    "0:3: Expected four hex digits for \\u escape sequence.\n" },
 
   // Integer errors.
   { "123foo", true,
@@ -711,7 +968,7 @@ TEST_2D(TokenizerTest, Errors, kErrorCases, kBlockSizes) {
   }
 
   // Check that the errors match what was expected.
-  EXPECT_EQ(error_collector.text_, kErrorCases_case.errors);
+  EXPECT_EQ(kErrorCases_case.errors, error_collector.text_);
 
   // If the error was recoverable, make sure we saw "foo" after it.
   if (kErrorCases_case.recoverable) {
@@ -737,6 +994,7 @@ TEST_1D(TokenizerTest, BackUpOnDestruction, kBlockSizes) {
   EXPECT_EQ(strlen("foo"), input.ByteCount());
 }
 
+
 }  // namespace
 }  // namespace io
 }  // namespace protobuf
diff --git a/common/protobuf-2.3.0/src/google/protobuf/io/zero_copy_stream.cc b/common/protobuf-2.5.0/src/google/protobuf/io/zero_copy_stream.cc
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/io/zero_copy_stream.cc
rename to common/protobuf-2.5.0/src/google/protobuf/io/zero_copy_stream.cc
diff --git a/common/protobuf-2.3.0/src/google/protobuf/io/zero_copy_stream.h b/common/protobuf-2.5.0/src/google/protobuf/io/zero_copy_stream.h
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/io/zero_copy_stream.h
rename to common/protobuf-2.5.0/src/google/protobuf/io/zero_copy_stream.h
diff --git a/common/protobuf-2.3.0/src/google/protobuf/io/zero_copy_stream_impl.cc b/common/protobuf-2.5.0/src/google/protobuf/io/zero_copy_stream_impl.cc
similarity index 99%
rename from common/protobuf-2.3.0/src/google/protobuf/io/zero_copy_stream_impl.cc
rename to common/protobuf-2.5.0/src/google/protobuf/io/zero_copy_stream_impl.cc
index 1384c746..9fcbb622 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/io/zero_copy_stream_impl.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/io/zero_copy_stream_impl.cc
@@ -46,7 +46,8 @@
 
 #include <google/protobuf/io/zero_copy_stream_impl.h>
 #include <google/protobuf/stubs/common.h>
-#include <google/protobuf/stubs/stl_util-inl.h>
+#include <google/protobuf/stubs/stl_util.h>
+
 
 namespace google {
 namespace protobuf {
diff --git a/common/protobuf-2.3.0/src/google/protobuf/io/zero_copy_stream_impl.h b/common/protobuf-2.5.0/src/google/protobuf/io/zero_copy_stream_impl.h
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/io/zero_copy_stream_impl.h
rename to common/protobuf-2.5.0/src/google/protobuf/io/zero_copy_stream_impl.h
diff --git a/common/protobuf-2.3.0/src/google/protobuf/io/zero_copy_stream_impl_lite.cc b/common/protobuf-2.5.0/src/google/protobuf/io/zero_copy_stream_impl_lite.cc
similarity index 98%
rename from common/protobuf-2.3.0/src/google/protobuf/io/zero_copy_stream_impl_lite.cc
rename to common/protobuf-2.5.0/src/google/protobuf/io/zero_copy_stream_impl_lite.cc
index e8012510..b3a71ce3 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/io/zero_copy_stream_impl_lite.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/io/zero_copy_stream_impl_lite.cc
@@ -32,9 +32,11 @@
 //  Based on original Protocol Buffers design by
 //  Sanjay Ghemawat, Jeff Dean, and others.
 
-#include <google/protobuf/io/zero_copy_stream_impl.h>
+#include <google/protobuf/io/zero_copy_stream_impl_lite.h>
 #include <google/protobuf/stubs/common.h>
-#include <google/protobuf/stubs/stl_util-inl.h>
+#include <google/protobuf/stubs/stl_util.h>
+
+#include <algorithm>
 
 namespace google {
 namespace protobuf {
diff --git a/common/protobuf-2.3.0/src/google/protobuf/io/zero_copy_stream_impl_lite.h b/common/protobuf-2.5.0/src/google/protobuf/io/zero_copy_stream_impl_lite.h
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/io/zero_copy_stream_impl_lite.h
rename to common/protobuf-2.5.0/src/google/protobuf/io/zero_copy_stream_impl_lite.h
diff --git a/common/protobuf-2.3.0/src/google/protobuf/io/zero_copy_stream_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/io/zero_copy_stream_unittest.cc
similarity index 72%
rename from common/protobuf-2.3.0/src/google/protobuf/io/zero_copy_stream_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/io/zero_copy_stream_unittest.cc
index 8229ee6d..6f155df7 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/io/zero_copy_stream_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/io/zero_copy_stream_unittest.cc
@@ -61,6 +61,7 @@
 #include <sstream>
 
 #include <google/protobuf/io/zero_copy_stream_impl.h>
+#include <google/protobuf/io/coded_stream.h>
 
 #if HAVE_ZLIB
 #include <google/protobuf/io/gzip_stream.h>
@@ -285,6 +286,57 @@ TEST_F(IoTest, ArrayIo) {
   }
 }
 
+TEST_F(IoTest, TwoSessionWrite) {
+  // Test that two concatenated write sessions read correctly
+
+  static const char* strA = "0123456789";
+  static const char* strB = "WhirledPeas";
+  const int kBufferSize = 2*1024;
+  uint8* buffer = new uint8[kBufferSize];
+  char* temp_buffer = new char[40];
+
+  for (int i = 0; i < kBlockSizeCount; i++) {
+    for (int j = 0; j < kBlockSizeCount; j++) {
+      ArrayOutputStream* output =
+          new ArrayOutputStream(buffer, kBufferSize, kBlockSizes[i]);
+      CodedOutputStream* coded_output = new CodedOutputStream(output);
+      coded_output->WriteVarint32(strlen(strA));
+      coded_output->WriteRaw(strA, strlen(strA));
+      delete coded_output;  // flush
+      int64 pos = output->ByteCount();
+      delete output;
+      output = new ArrayOutputStream(
+          buffer + pos, kBufferSize - pos, kBlockSizes[i]);
+      coded_output = new CodedOutputStream(output);
+      coded_output->WriteVarint32(strlen(strB));
+      coded_output->WriteRaw(strB, strlen(strB));
+      delete coded_output;  // flush
+      int64 size = pos + output->ByteCount();
+      delete output;
+
+      ArrayInputStream* input =
+          new ArrayInputStream(buffer, size, kBlockSizes[j]);
+      CodedInputStream* coded_input = new CodedInputStream(input);
+      uint32 insize;
+      EXPECT_TRUE(coded_input->ReadVarint32(&insize));
+      EXPECT_EQ(strlen(strA), insize);
+      EXPECT_TRUE(coded_input->ReadRaw(temp_buffer, insize));
+      EXPECT_EQ(0, memcmp(temp_buffer, strA, insize));
+
+      EXPECT_TRUE(coded_input->ReadVarint32(&insize));
+      EXPECT_EQ(strlen(strB), insize);
+      EXPECT_TRUE(coded_input->ReadRaw(temp_buffer, insize));
+      EXPECT_EQ(0, memcmp(temp_buffer, strB, insize));
+
+      delete coded_input;
+      delete input;
+    }
+  }
+
+  delete [] temp_buffer;
+  delete [] buffer;
+}
+
 #if HAVE_ZLIB
 TEST_F(IoTest, GzipIo) {
   const int kBufferSize = 2*1024;
@@ -296,8 +348,12 @@ TEST_F(IoTest, GzipIo) {
         int size;
         {
           ArrayOutputStream output(buffer, kBufferSize, kBlockSizes[i]);
-          GzipOutputStream gzout(
-              &output, GzipOutputStream::GZIP, gzip_buffer_size);
+          GzipOutputStream::Options options;
+          options.format = GzipOutputStream::GZIP;
+          if (gzip_buffer_size != -1) {
+            options.buffer_size = gzip_buffer_size;
+          }
+          GzipOutputStream gzout(&output, options);
           WriteStuff(&gzout);
           gzout.Close();
           size = output.ByteCount();
@@ -314,6 +370,100 @@ TEST_F(IoTest, GzipIo) {
   delete [] buffer;
 }
 
+TEST_F(IoTest, GzipIoWithFlush) {
+  const int kBufferSize = 2*1024;
+  uint8* buffer = new uint8[kBufferSize];
+  // We start with i = 4 as we want a block size > 6. With block size <= 6
+  // Flush() fills up the entire 2K buffer with flush markers and the test
+  // fails. See documentation for Flush() for more detail.
+  for (int i = 4; i < kBlockSizeCount; i++) {
+    for (int j = 0; j < kBlockSizeCount; j++) {
+      for (int z = 0; z < kBlockSizeCount; z++) {
+        int gzip_buffer_size = kBlockSizes[z];
+        int size;
+        {
+          ArrayOutputStream output(buffer, kBufferSize, kBlockSizes[i]);
+          GzipOutputStream::Options options;
+          options.format = GzipOutputStream::GZIP;
+          if (gzip_buffer_size != -1) {
+            options.buffer_size = gzip_buffer_size;
+          }
+          GzipOutputStream gzout(&output, options);
+          WriteStuff(&gzout);
+          EXPECT_TRUE(gzout.Flush());
+          gzout.Close();
+          size = output.ByteCount();
+        }
+        {
+          ArrayInputStream input(buffer, size, kBlockSizes[j]);
+          GzipInputStream gzin(
+              &input, GzipInputStream::GZIP, gzip_buffer_size);
+          ReadStuff(&gzin);
+        }
+      }
+    }
+  }
+  delete [] buffer;
+}
+
+TEST_F(IoTest, GzipIoContiguousFlushes) {
+  const int kBufferSize = 2*1024;
+  uint8* buffer = new uint8[kBufferSize];
+
+  int block_size = kBlockSizes[4];
+  int gzip_buffer_size = block_size;
+  int size;
+
+  ArrayOutputStream output(buffer, kBufferSize, block_size);
+  GzipOutputStream::Options options;
+  options.format = GzipOutputStream::GZIP;
+  if (gzip_buffer_size != -1) {
+    options.buffer_size = gzip_buffer_size;
+  }
+  GzipOutputStream gzout(&output, options);
+  WriteStuff(&gzout);
+  EXPECT_TRUE(gzout.Flush());
+  EXPECT_TRUE(gzout.Flush());
+  gzout.Close();
+  size = output.ByteCount();
+
+  ArrayInputStream input(buffer, size, block_size);
+  GzipInputStream gzin(
+      &input, GzipInputStream::GZIP, gzip_buffer_size);
+  ReadStuff(&gzin);
+
+  delete [] buffer;
+}
+
+TEST_F(IoTest, GzipIoReadAfterFlush) {
+  const int kBufferSize = 2*1024;
+  uint8* buffer = new uint8[kBufferSize];
+
+  int block_size = kBlockSizes[4];
+  int gzip_buffer_size = block_size;
+  int size;
+  ArrayOutputStream output(buffer, kBufferSize, block_size);
+  GzipOutputStream::Options options;
+  options.format = GzipOutputStream::GZIP;
+  if (gzip_buffer_size != -1) {
+    options.buffer_size = gzip_buffer_size;
+  }
+
+  GzipOutputStream gzout(&output, options);
+  WriteStuff(&gzout);
+  EXPECT_TRUE(gzout.Flush());
+  size = output.ByteCount();
+
+  ArrayInputStream input(buffer, size, block_size);
+  GzipInputStream gzin(
+      &input, GzipInputStream::GZIP, gzip_buffer_size);
+  ReadStuff(&gzin);
+
+  gzout.Close();
+
+  delete [] buffer;
+}
+
 TEST_F(IoTest, ZlibIo) {
   const int kBufferSize = 2*1024;
   uint8* buffer = new uint8[kBufferSize];
@@ -324,8 +474,12 @@ TEST_F(IoTest, ZlibIo) {
         int size;
         {
           ArrayOutputStream output(buffer, kBufferSize, kBlockSizes[i]);
-          GzipOutputStream gzout(
-              &output, GzipOutputStream::ZLIB, gzip_buffer_size);
+          GzipOutputStream::Options options;
+          options.format = GzipOutputStream::ZLIB;
+          if (gzip_buffer_size != -1) {
+            options.buffer_size = gzip_buffer_size;
+          }
+          GzipOutputStream gzout(&output, options);
           WriteStuff(&gzout);
           gzout.Close();
           size = output.ByteCount();
@@ -348,7 +502,9 @@ TEST_F(IoTest, ZlibIoInputAutodetect) {
   int size;
   {
     ArrayOutputStream output(buffer, kBufferSize);
-    GzipOutputStream gzout(&output, GzipOutputStream::ZLIB);
+    GzipOutputStream::Options options;
+    options.format = GzipOutputStream::ZLIB;
+    GzipOutputStream gzout(&output, options);
     WriteStuff(&gzout);
     gzout.Close();
     size = output.ByteCount();
@@ -360,7 +516,9 @@ TEST_F(IoTest, ZlibIoInputAutodetect) {
   }
   {
     ArrayOutputStream output(buffer, kBufferSize);
-    GzipOutputStream gzout(&output, GzipOutputStream::GZIP);
+    GzipOutputStream::Options options;
+    options.format = GzipOutputStream::GZIP;
+    GzipOutputStream gzout(&output, options);
     WriteStuff(&gzout);
     gzout.Close();
     size = output.ByteCount();
@@ -432,6 +590,71 @@ TEST_F(IoTest, CompressionOptions) {
   EXPECT_TRUE(Uncompress(gzip_compressed) == golden);
   EXPECT_TRUE(Uncompress(zlib_compressed) == golden);
 }
+
+TEST_F(IoTest, TwoSessionWriteGzip) {
+  // Test that two concatenated gzip streams can be read correctly
+
+  static const char* strA = "0123456789";
+  static const char* strB = "QuickBrownFox";
+  const int kBufferSize = 2*1024;
+  uint8* buffer = new uint8[kBufferSize];
+  char* temp_buffer = new char[40];
+
+  for (int i = 0; i < kBlockSizeCount; i++) {
+    for (int j = 0; j < kBlockSizeCount; j++) {
+      ArrayOutputStream* output =
+          new ArrayOutputStream(buffer, kBufferSize, kBlockSizes[i]);
+      GzipOutputStream* gzout = new GzipOutputStream(output);
+      CodedOutputStream* coded_output = new CodedOutputStream(gzout);
+      int32 outlen = strlen(strA) + 1;
+      coded_output->WriteVarint32(outlen);
+      coded_output->WriteRaw(strA, outlen);
+      delete coded_output;  // flush
+      delete gzout;  // flush
+      int64 pos = output->ByteCount();
+      delete output;
+      output = new ArrayOutputStream(
+          buffer + pos, kBufferSize - pos, kBlockSizes[i]);
+      gzout = new GzipOutputStream(output);
+      coded_output = new CodedOutputStream(gzout);
+      outlen = strlen(strB) + 1;
+      coded_output->WriteVarint32(outlen);
+      coded_output->WriteRaw(strB, outlen);
+      delete coded_output;  // flush
+      delete gzout;  // flush
+      int64 size = pos + output->ByteCount();
+      delete output;
+
+      ArrayInputStream* input =
+          new ArrayInputStream(buffer, size, kBlockSizes[j]);
+      GzipInputStream* gzin = new GzipInputStream(input);
+      CodedInputStream* coded_input = new CodedInputStream(gzin);
+      uint32 insize;
+      EXPECT_TRUE(coded_input->ReadVarint32(&insize));
+      EXPECT_EQ(strlen(strA) + 1, insize);
+      EXPECT_TRUE(coded_input->ReadRaw(temp_buffer, insize));
+      EXPECT_EQ(0, memcmp(temp_buffer, strA, insize))
+          << "strA=" << strA << " in=" << temp_buffer;
+
+      EXPECT_TRUE(coded_input->ReadVarint32(&insize));
+      EXPECT_EQ(strlen(strB) + 1, insize);
+      EXPECT_TRUE(coded_input->ReadRaw(temp_buffer, insize));
+      EXPECT_EQ(0, memcmp(temp_buffer, strB, insize))
+          << " out_block_size=" << kBlockSizes[i]
+          << " in_block_size=" << kBlockSizes[j]
+          << " pos=" << pos
+          << " size=" << size
+          << " strB=" << strB << " in=" << temp_buffer;
+
+      delete coded_input;
+      delete gzin;
+      delete input;
+    }
+  }
+
+  delete [] temp_buffer;
+  delete [] buffer;
+}
 #endif
 
 // There is no string input, only string output.  Also, it doesn't support
diff --git a/common/protobuf-2.3.0/src/google/protobuf/lite_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/lite_unittest.cc
similarity index 64%
rename from common/protobuf-2.3.0/src/google/protobuf/lite_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/lite_unittest.cc
index ffeec3c4..7a0a57b7 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/lite_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/lite_unittest.cc
@@ -33,11 +33,32 @@
 #include <string>
 #include <iostream>
 
-#include <google/protobuf/test_util_lite.h>
 #include <google/protobuf/stubs/common.h>
+#include <google/protobuf/test_util_lite.h>
+#include <google/protobuf/unittest_lite.pb.h>
 
 using namespace std;
 
+namespace {
+// Helper methods to test parsing merge behavior.
+void ExpectMessageMerged(const google::protobuf::unittest::TestAllTypesLite& message) {
+  GOOGLE_CHECK(message.optional_int32() == 3);
+  GOOGLE_CHECK(message.optional_int64() == 2);
+  GOOGLE_CHECK(message.optional_string() == "hello");
+}
+
+void AssignParsingMergeMessages(
+    google::protobuf::unittest::TestAllTypesLite* msg1,
+    google::protobuf::unittest::TestAllTypesLite* msg2,
+    google::protobuf::unittest::TestAllTypesLite* msg3) {
+  msg1->set_optional_int32(1);
+  msg2->set_optional_int64(2);
+  msg3->set_optional_int32(3);
+  msg3->set_optional_string("hello");
+}
+
+}  // namespace
+
 int main(int argc, char* argv[]) {
   string data, packed_data;
 
@@ -107,6 +128,58 @@ int main(int argc, char* argv[]) {
     google::protobuf::TestUtilLite::ExpectPackedExtensionsClear(message);
   }
 
+  {
+    // Test that if an optional or required message/group field appears multiple
+    // times in the input, they need to be merged.
+    google::protobuf::unittest::TestParsingMergeLite::RepeatedFieldsGenerator generator;
+    google::protobuf::unittest::TestAllTypesLite* msg1;
+    google::protobuf::unittest::TestAllTypesLite* msg2;
+    google::protobuf::unittest::TestAllTypesLite* msg3;
+
+#define ASSIGN_REPEATED_FIELD(FIELD)                \
+  msg1 = generator.add_##FIELD();                   \
+  msg2 = generator.add_##FIELD();                   \
+  msg3 = generator.add_##FIELD();                   \
+  AssignParsingMergeMessages(msg1, msg2, msg3)
+
+    ASSIGN_REPEATED_FIELD(field1);
+    ASSIGN_REPEATED_FIELD(field2);
+    ASSIGN_REPEATED_FIELD(field3);
+    ASSIGN_REPEATED_FIELD(ext1);
+    ASSIGN_REPEATED_FIELD(ext2);
+
+#undef ASSIGN_REPEATED_FIELD
+#define ASSIGN_REPEATED_GROUP(FIELD)                \
+  msg1 = generator.add_##FIELD()->mutable_field1(); \
+  msg2 = generator.add_##FIELD()->mutable_field1(); \
+  msg3 = generator.add_##FIELD()->mutable_field1(); \
+  AssignParsingMergeMessages(msg1, msg2, msg3)
+
+    ASSIGN_REPEATED_GROUP(group1);
+    ASSIGN_REPEATED_GROUP(group2);
+
+#undef ASSIGN_REPEATED_GROUP
+
+    string buffer;
+    generator.SerializeToString(&buffer);
+    google::protobuf::unittest::TestParsingMergeLite parsing_merge;
+    parsing_merge.ParseFromString(buffer);
+
+    // Required and optional fields should be merged.
+    ExpectMessageMerged(parsing_merge.required_all_types());
+    ExpectMessageMerged(parsing_merge.optional_all_types());
+    ExpectMessageMerged(
+        parsing_merge.optionalgroup().optional_group_all_types());
+    ExpectMessageMerged(parsing_merge.GetExtension(
+        google::protobuf::unittest::TestParsingMergeLite::optional_ext));
+
+    // Repeated fields should not be merged.
+    GOOGLE_CHECK(parsing_merge.repeated_all_types_size() == 3);
+    GOOGLE_CHECK(parsing_merge.repeatedgroup_size() == 3);
+    GOOGLE_CHECK(parsing_merge.ExtensionSize(
+        google::protobuf::unittest::TestParsingMergeLite::repeated_ext) == 3);
+  }
+
   cout << "PASS" << endl;
   return 0;
 }
diff --git a/common/protobuf-2.3.0/src/google/protobuf/message.cc b/common/protobuf-2.5.0/src/google/protobuf/message.cc
similarity index 84%
rename from common/protobuf-2.3.0/src/google/protobuf/message.cc
rename to common/protobuf-2.5.0/src/google/protobuf/message.cc
index 91e6878e..ab7efa99 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/message.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/message.cc
@@ -32,6 +32,7 @@
 //  Based on original Protocol Buffers design by
 //  Sanjay Ghemawat, Jeff Dean, and others.
 
+#include <istream>
 #include <stack>
 #include <google/protobuf/stubs/hash.h>
 
@@ -43,11 +44,12 @@
 #include <google/protobuf/io/zero_copy_stream_impl.h>
 #include <google/protobuf/descriptor.pb.h>
 #include <google/protobuf/descriptor.h>
+#include <google/protobuf/generated_message_util.h>
 #include <google/protobuf/reflection_ops.h>
 #include <google/protobuf/wire_format.h>
 #include <google/protobuf/stubs/strutil.h>
 #include <google/protobuf/stubs/map-util.h>
-#include <google/protobuf/stubs/stl_util-inl.h>
+#include <google/protobuf/stubs/stl_util.h>
 
 namespace google {
 namespace protobuf {
@@ -181,9 +183,46 @@ bool Message::SerializePartialToOstream(ostream* output) const {
 }
 
 
+// =============================================================================
+// Reflection and associated Template Specializations
+
 Reflection::~Reflection() {}
 
-// ===================================================================
+#define HANDLE_TYPE(TYPE, CPPTYPE, CTYPE)                             \
+template<>                                                            \
+const RepeatedField<TYPE>& Reflection::GetRepeatedField<TYPE>(        \
+    const Message& message, const FieldDescriptor* field) const {     \
+  return *static_cast<RepeatedField<TYPE>* >(                         \
+      MutableRawRepeatedField(const_cast<Message*>(&message),         \
+                          field, CPPTYPE, CTYPE, NULL));              \
+}                                                                     \
+                                                                      \
+template<>                                                            \
+RepeatedField<TYPE>* Reflection::MutableRepeatedField<TYPE>(          \
+    Message* message, const FieldDescriptor* field) const {           \
+  return static_cast<RepeatedField<TYPE>* >(                          \
+      MutableRawRepeatedField(message, field, CPPTYPE, CTYPE, NULL)); \
+}
+
+HANDLE_TYPE(int32,  FieldDescriptor::CPPTYPE_INT32,  -1);
+HANDLE_TYPE(int64,  FieldDescriptor::CPPTYPE_INT64,  -1);
+HANDLE_TYPE(uint32, FieldDescriptor::CPPTYPE_UINT32, -1);
+HANDLE_TYPE(uint64, FieldDescriptor::CPPTYPE_UINT64, -1);
+HANDLE_TYPE(float,  FieldDescriptor::CPPTYPE_FLOAT,  -1);
+HANDLE_TYPE(double, FieldDescriptor::CPPTYPE_DOUBLE, -1);
+HANDLE_TYPE(bool,   FieldDescriptor::CPPTYPE_BOOL,   -1);
+
+
+#undef HANDLE_TYPE
+
+void* Reflection::MutableRawRepeatedString(
+    Message* message, const FieldDescriptor* field, bool is_string) const {
+  return MutableRawRepeatedField(message, field,
+      FieldDescriptor::CPPTYPE_STRING, FieldOptions::STRING, NULL);
+}
+
+
+// =============================================================================
 // MessageFactory
 
 MessageFactory::~MessageFactory() {}
@@ -257,6 +296,7 @@ void GeneratedMessageFactory::RegisterType(const Descriptor* descriptor,
   }
 }
 
+
 const Message* GeneratedMessageFactory::GetPrototype(const Descriptor* type) {
   {
     ReaderMutexLock lock(&mutex_);
diff --git a/common/protobuf-2.3.0/src/google/protobuf/message.h b/common/protobuf-2.5.0/src/google/protobuf/message.h
similarity index 80%
rename from common/protobuf-2.3.0/src/google/protobuf/message.h
rename to common/protobuf-2.5.0/src/google/protobuf/message.h
index c0062f98..0f90bc1a 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/message.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/message.h
@@ -79,18 +79,19 @@
 //     // Same as the last block, but do it dynamically via the Message
 //     // reflection interface.
 //     Message* foo = new Foo;
-//     Descriptor* descriptor = foo->GetDescriptor();
+//     const Descriptor* descriptor = foo->GetDescriptor();
 //
 //     // Get the descriptors for the fields we're interested in and verify
 //     // their types.
-//     FieldDescriptor* text_field = descriptor->FindFieldByName("text");
+//     const FieldDescriptor* text_field = descriptor->FindFieldByName("text");
 //     assert(text_field != NULL);
 //     assert(text_field->type() == FieldDescriptor::TYPE_STRING);
-//     assert(text_field->label() == FieldDescriptor::TYPE_OPTIONAL);
-//     FieldDescriptor* numbers_field = descriptor->FindFieldByName("numbers");
+//     assert(text_field->label() == FieldDescriptor::LABEL_OPTIONAL);
+//     const FieldDescriptor* numbers_field = descriptor->
+//                                            FindFieldByName("numbers");
 //     assert(numbers_field != NULL);
 //     assert(numbers_field->type() == FieldDescriptor::TYPE_INT32);
-//     assert(numbers_field->label() == FieldDescriptor::TYPE_REPEATED);
+//     assert(numbers_field->label() == FieldDescriptor::LABEL_REPEATED);
 //
 //     // Parse the message.
 //     foo->ParseFromString(data);
@@ -122,24 +123,7 @@
 #include <google/protobuf/message_lite.h>
 
 #include <google/protobuf/stubs/common.h>
-
-#if defined(_WIN32) && defined(GetMessage)
-// windows.h defines GetMessage() as a macro.  Let's re-define it as an inline
-// function.  This is necessary because Reflection has a method called
-// GetMessage() which we don't want overridden.  The inline function should be
-// equivalent for C++ users.
-inline BOOL GetMessage_Win32(
-    LPMSG lpMsg, HWND hWnd,
-    UINT wMsgFilterMin, UINT wMsgFilterMax) {
-  return GetMessage(lpMsg, hWnd, wMsgFilterMin, wMsgFilterMax);
-}
-#undef GetMessage
-inline BOOL GetMessage(
-    LPMSG lpMsg, HWND hWnd,
-    UINT wMsgFilterMin, UINT wMsgFilterMax) {
-  return GetMessage_Win32(lpMsg, hWnd, wMsgFilterMin, wMsgFilterMax);
-}
-#endif
+#include <google/protobuf/descriptor.h>
 
 
 namespace google {
@@ -151,17 +135,20 @@ class Reflection;
 class MessageFactory;
 
 // Defined in other files.
-class Descriptor;            // descriptor.h
-class FieldDescriptor;       // descriptor.h
-class EnumDescriptor;        // descriptor.h
-class EnumValueDescriptor;   // descriptor.h
+class UnknownFieldSet;         // unknown_field_set.h
 namespace io {
   class ZeroCopyInputStream;   // zero_copy_stream.h
   class ZeroCopyOutputStream;  // zero_copy_stream.h
   class CodedInputStream;      // coded_stream.h
   class CodedOutputStream;     // coded_stream.h
 }
-class UnknownFieldSet;       // unknown_field_set.h
+
+
+template<typename T>
+class RepeatedField;     // repeated_field.h
+
+template<typename T>
+class RepeatedPtrField;  // repeated_field.h
 
 // A container to hold message metadata.
 struct Metadata {
@@ -169,12 +156,6 @@ struct Metadata {
   const Reflection* reflection;
 };
 
-// Returns the EnumDescriptor for enum type E, which must be a
-// proto-declared enum type.  Code generated by the protocol compiler
-// will include specializations of this template for each enum type declared.
-template <typename E>
-const EnumDescriptor* GetEnumDescriptor();
-
 // Abstract interface for protocol messages.
 //
 // See also MessageLite, which contains most every-day operations.  Message
@@ -378,7 +359,6 @@ class LIBPROTOBUF_EXPORT Message : public MessageLite {
 //   write fields from a Reflection without paying attention to the type.
 class LIBPROTOBUF_EXPORT Reflection {
  public:
-  // TODO(kenton):  Remove parameter.
   inline Reflection() {}
   virtual ~Reflection();
 
@@ -408,7 +388,7 @@ class LIBPROTOBUF_EXPORT Reflection {
   virtual void ClearField(Message* message,
                           const FieldDescriptor* field) const = 0;
 
-  // Remove the last element of a repeated field.
+  // Removes the last element of a repeated field.
   // We don't provide a way to remove any element other than the last
   // because it invites inefficient use, such as O(n^2) filtering loops
   // that should have been O(n).  If you want to remove an element other
@@ -417,6 +397,10 @@ class LIBPROTOBUF_EXPORT Reflection {
   // call RemoveLast().
   virtual void RemoveLast(Message* message,
                           const FieldDescriptor* field) const = 0;
+  // Removes the last element of a repeated message field, and returns the
+  // pointer to the caller.  Caller takes ownership of the returned pointer.
+  virtual Message* ReleaseLast(Message* message,
+                               const FieldDescriptor* field) const = 0;
 
   // Swap the complete contents of two messages.
   virtual void Swap(Message* message1, Message* message2) const = 0;
@@ -518,6 +502,16 @@ class LIBPROTOBUF_EXPORT Reflection {
   virtual Message* MutableMessage(Message* message,
                                   const FieldDescriptor* field,
                                   MessageFactory* factory = NULL) const = 0;
+  // Releases the message specified by 'field' and returns the pointer,
+  // ReleaseMessage() will return the message the message object if it exists.
+  // Otherwise, it may or may not return NULL.  In any case, if the return value
+  // is non-NULL, the caller takes ownership of the pointer.
+  // If the field existed (HasField() is true), then the returned pointer will
+  // be the same as the pointer returned by MutableMessage().
+  // This function has the same effect as ClearField().
+  virtual Message* ReleaseMessage(Message* message,
+                                  const FieldDescriptor* field,
+                                  MessageFactory* factory = NULL) const = 0;
 
 
   // Repeated field getters ------------------------------------------
@@ -625,7 +619,39 @@ class LIBPROTOBUF_EXPORT Reflection {
                               MessageFactory* factory = NULL) const = 0;
 
 
-  // Extensions ------------------------------------------------------
+  // Repeated field accessors  -------------------------------------------------
+  // The methods above, e.g. GetRepeatedInt32(msg, fd, index), provide singular
+  // access to the data in a RepeatedField.  The methods below provide aggregate
+  // access by exposing the RepeatedField object itself with the Message.
+  // Applying these templates to inappropriate types will lead to an undefined
+  // reference at link time (e.g. GetRepeatedField<***double>), or possibly a
+  // template matching error at compile time (e.g. GetRepeatedPtrField<File>).
+  //
+  // Usage example: my_doubs = refl->GetRepeatedField<double>(msg, fd);
+
+  // for T = Cord and all protobuf scalar types except enums.
+  template<typename T>
+  const RepeatedField<T>& GetRepeatedField(
+      const Message&, const FieldDescriptor*) const;
+
+  // for T = Cord and all protobuf scalar types except enums.
+  template<typename T>
+  RepeatedField<T>* MutableRepeatedField(
+      Message*, const FieldDescriptor*) const;
+
+  // for T = string, google::protobuf::internal::StringPieceField
+  //         google::protobuf::Message & descendants.
+  template<typename T>
+  const RepeatedPtrField<T>& GetRepeatedPtrField(
+      const Message&, const FieldDescriptor*) const;
+
+  // for T = string, google::protobuf::internal::StringPieceField
+  //         google::protobuf::Message & descendants.
+  template<typename T>
+  RepeatedPtrField<T>* MutableRepeatedPtrField(
+      Message*, const FieldDescriptor*) const;
+
+  // Extensions ----------------------------------------------------------------
 
   // Try to find an extension of this message type by fully-qualified field
   // name.  Returns NULL if no extension is known for this name or number.
@@ -637,7 +663,26 @@ class LIBPROTOBUF_EXPORT Reflection {
   virtual const FieldDescriptor* FindKnownExtensionByNumber(
       int number) const = 0;
 
+  // ---------------------------------------------------------------------------
+
+ protected:
+  // Obtain a pointer to a Repeated Field Structure and do some type checking:
+  //   on field->cpp_type(),
+  //   on field->field_option().ctype() (if ctype >= 0)
+  //   of field->message_type() (if message_type != NULL).
+  // We use 1 routine rather than 4 (const vs mutable) x (scalar vs pointer).
+  virtual void* MutableRawRepeatedField(
+      Message* message, const FieldDescriptor* field, FieldDescriptor::CppType,
+      int ctype, const Descriptor* message_type) const = 0;
+
  private:
+  // Special version for specialized implementations of string.  We can't call
+  // MutableRawRepeatedField directly here because we don't have access to
+  // FieldOptions::* which are defined in descriptor.pb.h.  Including that
+  // file here is not possible because it would cause a circular include cycle.
+  void* MutableRawRepeatedString(
+      Message* message, const FieldDescriptor* field, bool is_string) const;
+
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(Reflection);
 };
 
@@ -700,10 +745,92 @@ class LIBPROTOBUF_EXPORT MessageFactory {
   static void InternalRegisterGeneratedMessage(const Descriptor* descriptor,
                                                const Message* prototype);
 
+
  private:
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(MessageFactory);
 };
 
+#define DECLARE_GET_REPEATED_FIELD(TYPE)                         \
+template<>                                                       \
+LIBPROTOBUF_EXPORT                                               \
+const RepeatedField<TYPE>& Reflection::GetRepeatedField<TYPE>(   \
+    const Message& message, const FieldDescriptor* field) const; \
+                                                                 \
+template<>                                                       \
+LIBPROTOBUF_EXPORT                                               \
+RepeatedField<TYPE>* Reflection::MutableRepeatedField<TYPE>(     \
+    Message* message, const FieldDescriptor* field) const;
+
+DECLARE_GET_REPEATED_FIELD(int32)
+DECLARE_GET_REPEATED_FIELD(int64)
+DECLARE_GET_REPEATED_FIELD(uint32)
+DECLARE_GET_REPEATED_FIELD(uint64)
+DECLARE_GET_REPEATED_FIELD(float)
+DECLARE_GET_REPEATED_FIELD(double)
+DECLARE_GET_REPEATED_FIELD(bool)
+
+#undef DECLARE_GET_REPEATED_FIELD
+
+// =============================================================================
+// Implementation details for {Get,Mutable}RawRepeatedPtrField.  We provide
+// specializations for <string>, <StringPieceField> and <Message> and handle
+// everything else with the default template which will match any type having
+// a method with signature "static const google::protobuf::Descriptor* descriptor()".
+// Such a type presumably is a descendant of google::protobuf::Message.
+
+template<>
+inline const RepeatedPtrField<string>& Reflection::GetRepeatedPtrField<string>(
+    const Message& message, const FieldDescriptor* field) const {
+  return *static_cast<RepeatedPtrField<string>* >(
+      MutableRawRepeatedString(const_cast<Message*>(&message), field, true));
+}
+
+template<>
+inline RepeatedPtrField<string>* Reflection::MutableRepeatedPtrField<string>(
+    Message* message, const FieldDescriptor* field) const {
+  return static_cast<RepeatedPtrField<string>* >(
+      MutableRawRepeatedString(message, field, true));
+}
+
+
+// -----
+
+template<>
+inline const RepeatedPtrField<Message>& Reflection::GetRepeatedPtrField(
+    const Message& message, const FieldDescriptor* field) const {
+  return *static_cast<RepeatedPtrField<Message>* >(
+      MutableRawRepeatedField(const_cast<Message*>(&message), field,
+          FieldDescriptor::CPPTYPE_MESSAGE, -1,
+          NULL));
+}
+
+template<>
+inline RepeatedPtrField<Message>* Reflection::MutableRepeatedPtrField(
+    Message* message, const FieldDescriptor* field) const {
+  return static_cast<RepeatedPtrField<Message>* >(
+      MutableRawRepeatedField(message, field,
+          FieldDescriptor::CPPTYPE_MESSAGE, -1,
+          NULL));
+}
+
+template<typename PB>
+inline const RepeatedPtrField<PB>& Reflection::GetRepeatedPtrField(
+    const Message& message, const FieldDescriptor* field) const {
+  return *static_cast<RepeatedPtrField<PB>* >(
+      MutableRawRepeatedField(const_cast<Message*>(&message), field,
+          FieldDescriptor::CPPTYPE_MESSAGE, -1,
+          PB::default_instance().GetDescriptor()));
+}
+
+template<typename PB>
+inline RepeatedPtrField<PB>* Reflection::MutableRepeatedPtrField(
+    Message* message, const FieldDescriptor* field) const {
+  return static_cast<RepeatedPtrField<PB>* >(
+      MutableRawRepeatedField(message, field,
+          FieldDescriptor::CPPTYPE_MESSAGE, -1,
+          PB::default_instance().GetDescriptor()));
+}
+
 }  // namespace protobuf
 
 }  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/message_lite.cc b/common/protobuf-2.5.0/src/google/protobuf/message_lite.cc
similarity index 99%
rename from common/protobuf-2.3.0/src/google/protobuf/message_lite.cc
rename to common/protobuf-2.5.0/src/google/protobuf/message_lite.cc
index 7c8f37dc..49dbe6e0 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/message_lite.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/message_lite.cc
@@ -37,8 +37,8 @@
 #include <string>
 #include <google/protobuf/stubs/common.h>
 #include <google/protobuf/io/coded_stream.h>
-#include <google/protobuf/io/zero_copy_stream_impl.h>
-#include <google/protobuf/stubs/stl_util-inl.h>
+#include <google/protobuf/io/zero_copy_stream_impl_lite.h>
+#include <google/protobuf/stubs/stl_util.h>
 
 namespace google {
 namespace protobuf {
diff --git a/common/protobuf-2.3.0/src/google/protobuf/message_lite.h b/common/protobuf-2.5.0/src/google/protobuf/message_lite.h
similarity index 98%
rename from common/protobuf-2.3.0/src/google/protobuf/message_lite.h
rename to common/protobuf-2.5.0/src/google/protobuf/message_lite.h
index ebf4ba3c..1ec3068c 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/message_lite.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/message_lite.h
@@ -40,11 +40,17 @@
 #define GOOGLE_PROTOBUF_MESSAGE_LITE_H__
 
 #include <google/protobuf/stubs/common.h>
-#include <google/protobuf/io/coded_stream.h>
 
 namespace google {
 namespace protobuf {
 
+namespace io {
+  class CodedInputStream;
+  class CodedOutputStream;
+  class ZeroCopyInputStream;
+  class ZeroCopyOutputStream;
+}
+
 // Interface to light weight protocol messages.
 //
 // This interface is implemented by all protocol message objects.  Non-lite
@@ -158,6 +164,7 @@ class LIBPROTOBUF_EXPORT MessageLite {
   // followed by IsInitialized().
   virtual bool MergePartialFromCodedStream(io::CodedInputStream* input) = 0;
 
+
   // Serialization ---------------------------------------------------
   // Methods for serializing in protocol buffer format.  Most of these
   // are just simple wrappers around ByteSize() and SerializeWithCachedSizes().
diff --git a/common/protobuf-2.3.0/src/google/protobuf/message_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/message_unittest.cc
similarity index 78%
rename from common/protobuf-2.3.0/src/google/protobuf/message_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/message_unittest.cc
index 33b9e77c..a1449c76 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/message_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/message_unittest.cc
@@ -205,7 +205,7 @@ TEST(MessageTest, InitializationErrorString) {
   EXPECT_EQ("a, b, c", message.InitializationErrorString());
 }
 
-#ifdef GTEST_HAS_DEATH_TEST  // death tests do not work on Windows yet.
+#ifdef PROTOBUF_HAS_DEATH_TEST
 
 TEST(MessageTest, SerializeFailsIfNotInitialized) {
   unittest::TestRequired message;
@@ -222,7 +222,7 @@ TEST(MessageTest, CheckInitialized) {
     "fields: a, b, c");
 }
 
-#endif  // GTEST_HAS_DEATH_TEST
+#endif  // PROTOBUF_HAS_DEATH_TEST
 
 TEST(MessageTest, BypassInitializationCheckOnSerialize) {
   unittest::TestRequired message;
@@ -257,6 +257,78 @@ TEST(MessageTest, ParseFailsOnInvalidMessageEnd) {
   EXPECT_FALSE(message.ParseFromArray("\014", 1));
 }
 
+namespace {
+
+void ExpectMessageMerged(const unittest::TestAllTypes& message) {
+  EXPECT_EQ(3, message.optional_int32());
+  EXPECT_EQ(2, message.optional_int64());
+  EXPECT_EQ("hello", message.optional_string());
+}
+
+void AssignParsingMergeMessages(
+    unittest::TestAllTypes* msg1,
+    unittest::TestAllTypes* msg2,
+    unittest::TestAllTypes* msg3) {
+  msg1->set_optional_int32(1);
+  msg2->set_optional_int64(2);
+  msg3->set_optional_int32(3);
+  msg3->set_optional_string("hello");
+}
+
+}  // namespace
+
+// Test that if an optional or required message/group field appears multiple
+// times in the input, they need to be merged.
+TEST(MessageTest, ParsingMerge) {
+  unittest::TestParsingMerge::RepeatedFieldsGenerator generator;
+  unittest::TestAllTypes* msg1;
+  unittest::TestAllTypes* msg2;
+  unittest::TestAllTypes* msg3;
+
+#define ASSIGN_REPEATED_FIELD(FIELD)                \
+  msg1 = generator.add_##FIELD();                   \
+  msg2 = generator.add_##FIELD();                   \
+  msg3 = generator.add_##FIELD();                   \
+  AssignParsingMergeMessages(msg1, msg2, msg3)
+
+  ASSIGN_REPEATED_FIELD(field1);
+  ASSIGN_REPEATED_FIELD(field2);
+  ASSIGN_REPEATED_FIELD(field3);
+  ASSIGN_REPEATED_FIELD(ext1);
+  ASSIGN_REPEATED_FIELD(ext2);
+
+#undef ASSIGN_REPEATED_FIELD
+#define ASSIGN_REPEATED_GROUP(FIELD)                \
+  msg1 = generator.add_##FIELD()->mutable_field1(); \
+  msg2 = generator.add_##FIELD()->mutable_field1(); \
+  msg3 = generator.add_##FIELD()->mutable_field1(); \
+  AssignParsingMergeMessages(msg1, msg2, msg3)
+
+  ASSIGN_REPEATED_GROUP(group1);
+  ASSIGN_REPEATED_GROUP(group2);
+
+#undef ASSIGN_REPEATED_GROUP
+
+  string buffer;
+  generator.SerializeToString(&buffer);
+  unittest::TestParsingMerge parsing_merge;
+  parsing_merge.ParseFromString(buffer);
+
+  // Required and optional fields should be merged.
+  ExpectMessageMerged(parsing_merge.required_all_types());
+  ExpectMessageMerged(parsing_merge.optional_all_types());
+  ExpectMessageMerged(
+      parsing_merge.optionalgroup().optional_group_all_types());
+  ExpectMessageMerged(
+      parsing_merge.GetExtension(unittest::TestParsingMerge::optional_ext));
+
+  // Repeated fields should not be merged.
+  EXPECT_EQ(3, parsing_merge.repeated_all_types_size());
+  EXPECT_EQ(3, parsing_merge.repeatedgroup_size());
+  EXPECT_EQ(3, parsing_merge.ExtensionSize(
+      unittest::TestParsingMerge::repeated_ext));
+}
+
 TEST(MessageFactoryTest, GeneratedFactoryLookup) {
   EXPECT_EQ(
     MessageFactory::generated_factory()->GetPrototype(
@@ -277,5 +349,6 @@ TEST(MessageFactoryTest, GeneratedFactoryUnknownType) {
     MessageFactory::generated_factory()->GetPrototype(descriptor) == NULL);
 }
 
+
 }  // namespace protobuf
 }  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/package_info.h b/common/protobuf-2.5.0/src/google/protobuf/package_info.h
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/package_info.h
rename to common/protobuf-2.5.0/src/google/protobuf/package_info.h
diff --git a/common/protobuf-2.3.0/src/google/protobuf/reflection_ops.cc b/common/protobuf-2.5.0/src/google/protobuf/reflection_ops.cc
similarity index 95%
rename from common/protobuf-2.3.0/src/google/protobuf/reflection_ops.cc
rename to common/protobuf-2.5.0/src/google/protobuf/reflection_ops.cc
index 897c0d7c..f00997c6 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/reflection_ops.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/reflection_ops.cc
@@ -32,8 +32,12 @@
 //  Based on original Protocol Buffers design by
 //  Sanjay Ghemawat, Jeff Dean, and others.
 
+#include <string>
+#include <vector>
+
 #include <google/protobuf/reflection_ops.h>
 #include <google/protobuf/descriptor.h>
+#include <google/protobuf/descriptor.pb.h>
 #include <google/protobuf/unknown_field_set.h>
 #include <google/protobuf/stubs/strutil.h>
 
@@ -151,11 +155,12 @@ bool ReflectionOps::IsInitialized(const Message& message) {
   for (int i = 0; i < fields.size(); i++) {
     const FieldDescriptor* field = fields[i];
     if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) {
+
       if (field->is_repeated()) {
         int size = reflection->FieldSize(message, field);
 
-        for (int i = 0; i < size; i++) {
-          if (!reflection->GetRepeatedMessage(message, field, i)
+        for (int j = 0; j < size; j++) {
+          if (!reflection->GetRepeatedMessage(message, field, j)
                           .IsInitialized()) {
             return false;
           }
@@ -183,8 +188,8 @@ void ReflectionOps::DiscardUnknownFields(Message* message) {
     if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) {
       if (field->is_repeated()) {
         int size = reflection->FieldSize(*message, field);
-        for (int i = 0; i < size; i++) {
-          reflection->MutableRepeatedMessage(message, field, i)
+        for (int j = 0; j < size; j++) {
+          reflection->MutableRepeatedMessage(message, field, j)
                     ->DiscardUnknownFields();
         }
       } else {
@@ -240,11 +245,11 @@ void ReflectionOps::FindInitializationErrors(
       if (field->is_repeated()) {
         int size = reflection->FieldSize(message, field);
 
-        for (int i = 0; i < size; i++) {
+        for (int j = 0; j < size; j++) {
           const Message& sub_message =
-            reflection->GetRepeatedMessage(message, field, i);
+            reflection->GetRepeatedMessage(message, field, j);
           FindInitializationErrors(sub_message,
-                                   SubMessagePrefix(prefix, field, i),
+                                   SubMessagePrefix(prefix, field, j),
                                    errors);
         }
       } else {
diff --git a/common/protobuf-2.3.0/src/google/protobuf/reflection_ops.h b/common/protobuf-2.5.0/src/google/protobuf/reflection_ops.h
similarity index 98%
rename from common/protobuf-2.3.0/src/google/protobuf/reflection_ops.h
rename to common/protobuf-2.5.0/src/google/protobuf/reflection_ops.h
index 355a0a5d..60165c2a 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/reflection_ops.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/reflection_ops.h
@@ -38,6 +38,7 @@
 #ifndef GOOGLE_PROTOBUF_REFLECTION_OPS_H__
 #define GOOGLE_PROTOBUF_REFLECTION_OPS_H__
 
+#include <google/protobuf/stubs/common.h>
 #include <google/protobuf/message.h>
 
 namespace google {
diff --git a/common/protobuf-2.3.0/src/google/protobuf/reflection_ops_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/reflection_ops_unittest.cc
similarity index 99%
rename from common/protobuf-2.3.0/src/google/protobuf/reflection_ops_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/reflection_ops_unittest.cc
index 1cd56f1e..29229b5a 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/reflection_ops_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/reflection_ops_unittest.cc
@@ -152,7 +152,7 @@ TEST(ReflectionOpsTest, MergeUnknown) {
   EXPECT_EQ(2, message1.unknown_fields().field(1).varint());
 }
 
-#ifdef GTEST_HAS_DEATH_TEST
+#ifdef PROTOBUF_HAS_DEATH_TEST
 
 TEST(ReflectionOpsTest, MergeFromSelf) {
   // Note:  Copy is implemented in terms of Merge() so technically the Copy
@@ -165,7 +165,7 @@ TEST(ReflectionOpsTest, MergeFromSelf) {
     "&from");
 }
 
-#endif  // GTEST_HAS_DEATH_TEST
+#endif  // PROTOBUF_HAS_DEATH_TEST
 
 TEST(ReflectionOpsTest, Clear) {
   unittest::TestAllTypes message;
diff --git a/common/protobuf-2.3.0/src/google/protobuf/repeated_field.cc b/common/protobuf-2.5.0/src/google/protobuf/repeated_field.cc
similarity index 80%
rename from common/protobuf-2.3.0/src/google/protobuf/repeated_field.cc
rename to common/protobuf-2.5.0/src/google/protobuf/repeated_field.cc
index f7beb110..2c1f74c5 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/repeated_field.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/repeated_field.cc
@@ -32,53 +32,45 @@
 //  Based on original Protocol Buffers design by
 //  Sanjay Ghemawat, Jeff Dean, and others.
 
+#include <algorithm>
+
 #include <google/protobuf/repeated_field.h>
 #include <google/protobuf/stubs/common.h>
 
 namespace google {
 namespace protobuf {
+
 namespace internal {
 
 void RepeatedPtrFieldBase::Reserve(int new_size) {
   if (total_size_ >= new_size) return;
 
   void** old_elements = elements_;
-  total_size_ = max(total_size_ * 2, new_size);
+  total_size_ = max(kMinRepeatedFieldAllocationSize,
+                    max(total_size_ * 2, new_size));
   elements_ = new void*[total_size_];
-  memcpy(elements_, old_elements, allocated_size_ * sizeof(elements_[0]));
-  if (old_elements != initial_space_) {
+  if (old_elements != NULL) {
+    memcpy(elements_, old_elements, allocated_size_ * sizeof(elements_[0]));
     delete [] old_elements;
   }
 }
 
 void RepeatedPtrFieldBase::Swap(RepeatedPtrFieldBase* other) {
+  if (this == other) return;
   void** swap_elements       = elements_;
   int    swap_current_size   = current_size_;
   int    swap_allocated_size = allocated_size_;
   int    swap_total_size     = total_size_;
-  // We may not be using initial_space_ but it's not worth checking.  Just
-  // copy it anyway.
-  void* swap_initial_space[kInitialSize];
-  memcpy(swap_initial_space, initial_space_, sizeof(initial_space_));
 
   elements_       = other->elements_;
   current_size_   = other->current_size_;
   allocated_size_ = other->allocated_size_;
   total_size_     = other->total_size_;
-  memcpy(initial_space_, other->initial_space_, sizeof(initial_space_));
 
   other->elements_       = swap_elements;
   other->current_size_   = swap_current_size;
   other->allocated_size_ = swap_allocated_size;
   other->total_size_     = swap_total_size;
-  memcpy(other->initial_space_, swap_initial_space, sizeof(swap_initial_space));
-
-  if (elements_ == other->initial_space_) {
-    elements_ = initial_space_;
-  }
-  if (other->elements_ == initial_space_) {
-    other->elements_ = other->initial_space_;
-  }
 }
 
 string* StringTypeHandlerBase::New() {
@@ -88,8 +80,8 @@ void StringTypeHandlerBase::Delete(string* value) {
   delete value;
 }
 
+}  // namespace internal
 
-} // namespace internal
 
 }  // namespace protobuf
 }  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/repeated_field.h b/common/protobuf-2.5.0/src/google/protobuf/repeated_field.h
similarity index 74%
rename from common/protobuf-2.3.0/src/google/protobuf/repeated_field.h
rename to common/protobuf-2.5.0/src/google/protobuf/repeated_field.h
index defdefe0..570d4b75 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/repeated_field.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/repeated_field.h
@@ -46,24 +46,35 @@
 #ifndef GOOGLE_PROTOBUF_REPEATED_FIELD_H__
 #define GOOGLE_PROTOBUF_REPEATED_FIELD_H__
 
+#include <algorithm>
 #include <string>
 #include <iterator>
 #include <google/protobuf/stubs/common.h>
+#include <google/protobuf/stubs/type_traits.h>
+#include <google/protobuf/generated_message_util.h>
 #include <google/protobuf/message_lite.h>
 
 namespace google {
 
+namespace upb {
+namespace google_opensource {
+class GMR_Handlers;
+}  // namespace google_opensource
+}  // namespace upb
+
 namespace protobuf {
 
 class Message;
 
 namespace internal {
 
-// We need this (from generated_message_reflection.cc).
-LIBPROTOBUF_EXPORT int StringSpaceUsedExcludingSelf(const string& str);
+static const int kMinRepeatedFieldAllocationSize = 4;
 
+// A utility function for logging that doesn't need any template types.
+void LogIndexOutOfBounds(int index, int size);
 }  // namespace internal
 
+
 // RepeatedField is used to represent repeated fields of a primitive type (in
 // other words, everything except strings and nested Messages).  Most users will
 // not ever use a RepeatedField directly; they will use the get-by-index,
@@ -72,8 +83,13 @@ template <typename Element>
 class RepeatedField {
  public:
   RepeatedField();
+  RepeatedField(const RepeatedField& other);
+  template <typename Iter>
+  RepeatedField(Iter begin, const Iter& end);
   ~RepeatedField();
 
+  RepeatedField& operator=(const RepeatedField& other);
+
   int size() const;
 
   const Element& Get(int index) const;
@@ -82,14 +98,17 @@ class RepeatedField {
   void Add(const Element& value);
   Element* Add();
   // Remove the last element in the array.
-  // We don't provide a way to remove any element other than the last
-  // because it invites inefficient use, such as O(n^2) filtering loops
-  // that should have been O(n).  If you want to remove an element other
-  // than the last, the best way to do it is to re-arrange the elements
-  // so that the one you want removed is at the end, then call RemoveLast().
   void RemoveLast();
+
+  // Extract elements with indices in "[start .. start+num-1]".
+  // Copy them into "elements[0 .. num-1]" if "elements" is not NULL.
+  // Caution: implementation also moves elements with indices [start+num ..].
+  // Calling this routine inside a loop can cause quadratic behavior.
+  void ExtractSubrange(int start, int num, Element* elements);
+
   void Clear();
   void MergeFrom(const RepeatedField& other);
+  void CopyFrom(const RepeatedField& other);
 
   // Reserve space to expand the field to at least the given size.  If the
   // array is grown, it will always be at least doubled in size.
@@ -116,27 +135,46 @@ class RepeatedField {
   // STL-like iterator support
   typedef Element* iterator;
   typedef const Element* const_iterator;
+  typedef Element value_type;
+  typedef value_type& reference;
+  typedef const value_type& const_reference;
+  typedef value_type* pointer;
+  typedef const value_type* const_pointer;
+  typedef int size_type;
+  typedef ptrdiff_t difference_type;
 
   iterator begin();
   const_iterator begin() const;
   iterator end();
   const_iterator end() const;
 
+  // Reverse iterator support
+  typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
+  typedef std::reverse_iterator<iterator> reverse_iterator;
+  reverse_iterator rbegin() {
+    return reverse_iterator(end());
+  }
+  const_reverse_iterator rbegin() const {
+    return const_reverse_iterator(end());
+  }
+  reverse_iterator rend() {
+    return reverse_iterator(begin());
+  }
+  const_reverse_iterator rend() const {
+    return const_reverse_iterator(begin());
+  }
+
   // Returns the number of bytes used by the repeated field, excluding
   // sizeof(*this)
   int SpaceUsedExcludingSelf() const;
 
  private:
-  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(RepeatedField);
-
-  static const int kInitialSize = 4;
+  static const int kInitialSize = 0;
 
   Element* elements_;
   int      current_size_;
   int      total_size_;
 
-  Element  initial_space_[kInitialSize];
-
   // Move the contents of |from| into |to|, possibly clobbering |from| in the
   // process.  For primitive types this is just a memcpy(), but it could be
   // specialized for non-primitive types to, say, swap each element instead.
@@ -148,7 +186,21 @@ class RepeatedField {
 
 namespace internal {
 template <typename It> class RepeatedPtrIterator;
-template <typename It> class RepeatedPtrOverPtrsIterator;
+template <typename It, typename VoidPtr> class RepeatedPtrOverPtrsIterator;
+}  // namespace internal
+
+namespace internal {
+
+// This is a helper template to copy an array of elements effeciently when they
+// have a trivial copy constructor, and correctly otherwise. This really
+// shouldn't be necessary, but our compiler doesn't optimize std::copy very
+// effectively.
+template <typename Element,
+          bool HasTrivialCopy = has_trivial_copy<Element>::value>
+struct ElementCopier {
+  void operator()(Element to[], const Element from[], int array_size);
+};
+
 }  // namespace internal
 
 namespace internal {
@@ -183,6 +235,10 @@ class LIBPROTOBUF_EXPORT RepeatedPtrFieldBase {
   // use of AddFromCleared(), which is not part of the public interface.
   friend class ExtensionSet;
 
+  // To parse directly into a proto2 generated class, the upb class GMR_Handlers
+  // needs to be able to modify a RepeatedPtrFieldBase directly.
+  friend class LIBPROTOBUF_EXPORT upb::google_opensource::GMR_Handlers;
+
   RepeatedPtrFieldBase();
 
   // Must be called from destructor.
@@ -203,6 +259,16 @@ class LIBPROTOBUF_EXPORT RepeatedPtrFieldBase {
   void Clear();
   template <typename TypeHandler>
   void MergeFrom(const RepeatedPtrFieldBase& other);
+  template <typename TypeHandler>
+  void CopyFrom(const RepeatedPtrFieldBase& other);
+
+  void CloseGap(int start, int num) {
+    // Close up a gap of "num" elements starting at offset "start".
+    for (int i = start + num; i < allocated_size_; ++i)
+      elements_[i - num] = elements_[i];
+    current_size_ -= num;
+    allocated_size_ -= num;
+  }
 
   void Reserve(int new_size);
 
@@ -245,15 +311,13 @@ class LIBPROTOBUF_EXPORT RepeatedPtrFieldBase {
  private:
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(RepeatedPtrFieldBase);
 
-  static const int kInitialSize = 4;
+  static const int kInitialSize = 0;
 
   void** elements_;
   int    current_size_;
   int    allocated_size_;
   int    total_size_;
 
-  void*  initial_space_[kInitialSize];
-
   template <typename TypeHandler>
   static inline typename TypeHandler::Type* cast(void* element) {
     return reinterpret_cast<typename TypeHandler::Type*>(element);
@@ -275,6 +339,7 @@ class GenericTypeHandler {
     to->MergeFrom(from);
   }
   static int SpaceUsed(const GenericType& value) { return value.SpaceUsed(); }
+  static const Type& default_instance() { return Type::default_instance(); }
 };
 
 template <>
@@ -283,6 +348,25 @@ inline void GenericTypeHandler<MessageLite>::Merge(
   to->CheckTypeAndMergeFrom(from);
 }
 
+template <>
+inline const MessageLite& GenericTypeHandler<MessageLite>::default_instance() {
+  // Yes, the behavior of the code is undefined, but this function is only
+  // called when we're already deep into the world of undefined, because the
+  // caller called Get(index) out of bounds.
+  MessageLite* null = NULL;
+  return *null;
+}
+
+template <>
+inline const Message& GenericTypeHandler<Message>::default_instance() {
+  // Yes, the behavior of the code is undefined, but this function is only
+  // called when we're already deep into the world of undefined, because the
+  // caller called Get(index) out of bounds.
+  Message* null = NULL;
+  return *null;
+}
+
+
 // HACK:  If a class is declared as DLL-exported in MSVC, it insists on
 //   generating copies of all its methods -- even inline ones -- to include
 //   in the DLL.  But SpaceUsed() calls StringSpaceUsedExcludingSelf() which
@@ -298,6 +382,9 @@ class LIBPROTOBUF_EXPORT StringTypeHandlerBase {
   static void Delete(string* value);
   static void Clear(string* value) { value->clear(); }
   static void Merge(const string& from, string* to) { *to = from; }
+  static const Type& default_instance() {
+    return ::google::protobuf::internal::kEmptyString;
+  }
 };
 
 class StringTypeHandler : public StringTypeHandlerBase {
@@ -316,17 +403,31 @@ template <typename Element>
 class RepeatedPtrField : public internal::RepeatedPtrFieldBase {
  public:
   RepeatedPtrField();
-
+  RepeatedPtrField(const RepeatedPtrField& other);
+  template <typename Iter>
+  RepeatedPtrField(Iter begin, const Iter& end);
   ~RepeatedPtrField();
 
+  RepeatedPtrField& operator=(const RepeatedPtrField& other);
+
   int size() const;
 
   const Element& Get(int index) const;
   Element* Mutable(int index);
   Element* Add();
-  void RemoveLast();  // Remove the last element in the array.
+
+  // Remove the last element in the array.
+  // Ownership of the element is retained by the array.
+  void RemoveLast();
+
+  // Delete elements with indices in the range [start .. start+num-1].
+  // Caution: implementation moves all elements with indices [start+num .. ].
+  // Calling this routine inside a loop can cause quadratic behavior.
+  void DeleteSubrange(int start, int num);
+
   void Clear();
   void MergeFrom(const RepeatedPtrField& other);
+  void CopyFrom(const RepeatedPtrField& other);
 
   // Reserve space to expand the field to at least the given size.  This only
   // resizes the pointer array; it doesn't allocate any objects.  If the
@@ -349,47 +450,79 @@ class RepeatedPtrField : public internal::RepeatedPtrFieldBase {
   // STL-like iterator support
   typedef internal::RepeatedPtrIterator<Element> iterator;
   typedef internal::RepeatedPtrIterator<const Element> const_iterator;
+  typedef Element value_type;
+  typedef value_type& reference;
+  typedef const value_type& const_reference;
+  typedef value_type* pointer;
+  typedef const value_type* const_pointer;
+  typedef int size_type;
+  typedef ptrdiff_t difference_type;
 
   iterator begin();
   const_iterator begin() const;
   iterator end();
   const_iterator end() const;
 
+  // Reverse iterator support
+  typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
+  typedef std::reverse_iterator<iterator> reverse_iterator;
+  reverse_iterator rbegin() {
+    return reverse_iterator(end());
+  }
+  const_reverse_iterator rbegin() const {
+    return const_reverse_iterator(end());
+  }
+  reverse_iterator rend() {
+    return reverse_iterator(begin());
+  }
+  const_reverse_iterator rend() const {
+    return const_reverse_iterator(begin());
+  }
+
   // Custom STL-like iterator that iterates over and returns the underlying
   // pointers to Element rather than Element itself.
-  typedef internal::RepeatedPtrOverPtrsIterator<Element> pointer_iterator;
+  typedef internal::RepeatedPtrOverPtrsIterator<Element, void*>
+  pointer_iterator;
+  typedef internal::RepeatedPtrOverPtrsIterator<const Element, const void*>
+  const_pointer_iterator;
   pointer_iterator pointer_begin();
+  const_pointer_iterator pointer_begin() const;
   pointer_iterator pointer_end();
+  const_pointer_iterator pointer_end() const;
 
   // Returns (an estimate of) the number of bytes used by the repeated field,
   // excluding sizeof(*this).
   int SpaceUsedExcludingSelf() const;
 
-  // The spaced used just by the pointer array, not counting the objects pointed
-  // at.  Returns zero if the array is inlined (i.e. initial_space_ is being
-  // used).
-  int SpaceUsedByArray() const;
-
   // Advanced memory management --------------------------------------
-  // When hardcore memory management becomes necessary -- as it often
+  // When hardcore memory management becomes necessary -- as it sometimes
   // does here at Google -- the following methods may be useful.
 
   // Add an already-allocated object, passing ownership to the
   // RepeatedPtrField.
   void AddAllocated(Element* value);
-  // Remove the last element and return it, passing ownership to the
-  // caller.
+  // Remove the last element and return it, passing ownership to the caller.
   // Requires:  size() > 0
   Element* ReleaseLast();
 
+  // Extract elements with indices in the range "[start .. start+num-1]".
+  // The caller assumes ownership of the extracted elements and is responsible
+  // for deleting them when they are no longer needed.
+  // If "elements" is non-NULL, then pointers to the extracted elements
+  // are stored in "elements[0 .. num-1]" for the convenience of the caller.
+  // If "elements" is NULL, then the caller must use some other mechanism
+  // to perform any further operations (like deletion) on these elements.
+  // Caution: implementation also moves elements with indices [start+num ..].
+  // Calling this routine inside a loop can cause quadratic behavior.
+  void ExtractSubrange(int start, int num, Element** elements);
+
   // When elements are removed by calls to RemoveLast() or Clear(), they
   // are not actually freed.  Instead, they are cleared and kept so that
   // they can be reused later.  This can save lots of CPU time when
   // repeatedly reusing a protocol message for similar purposes.
   //
-  // Really, extremely hardcore programs may actually want to manipulate
-  // these objects to better-optimize memory management.  These methods
-  // allow that.
+  // Hardcore programs may choose to manipulate these cleared objects
+  // to better optimize memory management using the following routines.
 
   // Get the number of cleared objects that are currently being kept
   // around for reuse.
@@ -410,27 +543,49 @@ class RepeatedPtrField : public internal::RepeatedPtrFieldBase {
   //   methods on RepeatedPtrFieldBase.
   class TypeHandler;
 
-
- private:
-  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(RepeatedPtrField);
 };
 
 // implementation ====================================================
 
 template <typename Element>
 inline RepeatedField<Element>::RepeatedField()
-  : elements_(initial_space_),
+  : elements_(NULL),
     current_size_(0),
     total_size_(kInitialSize) {
 }
 
 template <typename Element>
-RepeatedField<Element>::~RepeatedField() {
-  if (elements_ != initial_space_) {
-    delete [] elements_;
+inline RepeatedField<Element>::RepeatedField(const RepeatedField& other)
+  : elements_(NULL),
+    current_size_(0),
+    total_size_(kInitialSize) {
+  CopyFrom(other);
+}
+
+template <typename Element>
+template <typename Iter>
+inline RepeatedField<Element>::RepeatedField(Iter begin, const Iter& end)
+  : elements_(NULL),
+    current_size_(0),
+    total_size_(kInitialSize) {
+  for (; begin != end; ++begin) {
+    Add(*begin);
   }
 }
 
+template <typename Element>
+RepeatedField<Element>::~RepeatedField() {
+  delete [] elements_;
+}
+
+template <typename Element>
+inline RepeatedField<Element>&
+RepeatedField<Element>::operator=(const RepeatedField& other) {
+  if (this != &other)
+    CopyFrom(other);
+  return *this;
+}
+
 template <typename Element>
 inline int RepeatedField<Element>::size() const {
   return current_size_;
@@ -489,6 +644,27 @@ inline void RepeatedField<Element>::RemoveLast() {
   --current_size_;
 }
 
+template <typename Element>
+void RepeatedField<Element>::ExtractSubrange(
+    int start, int num, Element* elements) {
+  GOOGLE_DCHECK_GE(start, 0);
+  GOOGLE_DCHECK_GE(num, 0);
+  GOOGLE_DCHECK_LE(start + num, this->size());
+
+  // Save the values of the removed elements if requested.
+  if (elements != NULL) {
+    for (int i = 0; i < num; ++i)
+      elements[i] = this->Get(i + start);
+  }
+
+  // Slide remaining elements down to fill the gap.
+  if (num > 0) {
+    for (int i = start + num; i < this->size(); ++i)
+      this->Set(i - num, this->Get(i));
+    this->Truncate(this->size() - num);
+  }
+}
+
 template <typename Element>
 inline void RepeatedField<Element>::Clear() {
   current_size_ = 0;
@@ -496,9 +672,17 @@ inline void RepeatedField<Element>::Clear() {
 
 template <typename Element>
 inline void RepeatedField<Element>::MergeFrom(const RepeatedField& other) {
-  Reserve(current_size_ + other.current_size_);
-  CopyArray(elements_ + current_size_, other.elements_, other.current_size_);
-  current_size_ += other.current_size_;
+  if (other.current_size_ != 0) {
+    Reserve(current_size_ + other.current_size_);
+    CopyArray(elements_ + current_size_, other.elements_, other.current_size_);
+    current_size_ += other.current_size_;
+  }
+}
+
+template <typename Element>
+inline void RepeatedField<Element>::CopyFrom(const RepeatedField& other) {
+  Clear();
+  MergeFrom(other);
 }
 
 template <typename Element>
@@ -514,30 +698,18 @@ inline const Element* RepeatedField<Element>::data() const {
 
 template <typename Element>
 void RepeatedField<Element>::Swap(RepeatedField* other) {
+  if (this == other) return;
   Element* swap_elements     = elements_;
   int      swap_current_size = current_size_;
   int      swap_total_size   = total_size_;
-  // We may not be using initial_space_ but it's not worth checking.  Just
-  // copy it anyway.
-  Element swap_initial_space[kInitialSize];
-  MoveArray(swap_initial_space, initial_space_, kInitialSize);
 
   elements_     = other->elements_;
   current_size_ = other->current_size_;
   total_size_   = other->total_size_;
-  MoveArray(initial_space_, other->initial_space_, kInitialSize);
 
   other->elements_     = swap_elements;
   other->current_size_ = swap_current_size;
   other->total_size_   = swap_total_size;
-  MoveArray(other->initial_space_, swap_initial_space, kInitialSize);
-
-  if (elements_ == other->initial_space_) {
-    elements_ = initial_space_;
-  }
-  if (other->elements_ == initial_space_) {
-    other->elements_ = other->initial_space_;
-  }
 }
 
 template <typename Element>
@@ -568,20 +740,21 @@ RepeatedField<Element>::end() const {
 
 template <typename Element>
 inline int RepeatedField<Element>::SpaceUsedExcludingSelf() const {
-  return (elements_ != initial_space_) ? total_size_ * sizeof(elements_[0]) : 0;
+  return (elements_ != NULL) ? total_size_ * sizeof(elements_[0]) : 0;
 }
 
-// Avoid inlining of Reserve(): new, memcpy, and delete[] lead to a significant
+// Avoid inlining of Reserve(): new, copy, and delete[] lead to a significant
 // amount of code bloat.
 template <typename Element>
 void RepeatedField<Element>::Reserve(int new_size) {
   if (total_size_ >= new_size) return;
 
   Element* old_elements = elements_;
-  total_size_ = max(total_size_ * 2, new_size);
+  total_size_ = max(google::protobuf::internal::kMinRepeatedFieldAllocationSize,
+                    max(total_size_ * 2, new_size));
   elements_ = new Element[total_size_];
-  MoveArray(elements_, old_elements, current_size_);
-  if (old_elements != initial_space_) {
+  if (old_elements != NULL) {
+    MoveArray(elements_, old_elements, current_size_);
     delete [] old_elements;
   }
 }
@@ -594,23 +767,40 @@ inline void RepeatedField<Element>::Truncate(int new_size) {
 
 template <typename Element>
 inline void RepeatedField<Element>::MoveArray(
-    Element to[], Element from[], int size) {
-  memcpy(to, from, size * sizeof(Element));
+    Element to[], Element from[], int array_size) {
+  CopyArray(to, from, array_size);
 }
 
 template <typename Element>
 inline void RepeatedField<Element>::CopyArray(
-    Element to[], const Element from[], int size) {
-  memcpy(to, from, size * sizeof(Element));
+    Element to[], const Element from[], int array_size) {
+  internal::ElementCopier<Element>()(to, from, array_size);
 }
 
+namespace internal {
+
+template <typename Element, bool HasTrivialCopy>
+void ElementCopier<Element, HasTrivialCopy>::operator()(
+    Element to[], const Element from[], int array_size) {
+  std::copy(from, from + array_size, to);
+}
+
+template <typename Element>
+struct ElementCopier<Element, true> {
+  void operator()(Element to[], const Element from[], int array_size) {
+    memcpy(to, from, array_size * sizeof(Element));
+  }
+};
+
+}  // namespace internal
+
 
 // -------------------------------------------------------------------
 
 namespace internal {
 
 inline RepeatedPtrFieldBase::RepeatedPtrFieldBase()
-  : elements_(initial_space_),
+  : elements_(NULL),
     current_size_(0),
     allocated_size_(0),
     total_size_(kInitialSize) {
@@ -621,16 +811,13 @@ void RepeatedPtrFieldBase::Destroy() {
   for (int i = 0; i < allocated_size_; i++) {
     TypeHandler::Delete(cast<TypeHandler>(elements_[i]));
   }
-  if (elements_ != initial_space_) {
-    delete [] elements_;
-  }
+  delete [] elements_;
 }
 
 inline int RepeatedPtrFieldBase::size() const {
   return current_size_;
 }
 
-
 template <typename TypeHandler>
 inline const typename TypeHandler::Type&
 RepeatedPtrFieldBase::Get(int index) const {
@@ -638,6 +825,7 @@ RepeatedPtrFieldBase::Get(int index) const {
   return *cast<TypeHandler>(elements_[index]);
 }
 
+
 template <typename TypeHandler>
 inline typename TypeHandler::Type*
 RepeatedPtrFieldBase::Mutable(int index) {
@@ -675,10 +863,16 @@ template <typename TypeHandler>
 inline void RepeatedPtrFieldBase::MergeFrom(const RepeatedPtrFieldBase& other) {
   Reserve(current_size_ + other.current_size_);
   for (int i = 0; i < other.current_size_; i++) {
-    TypeHandler::Merge(other.Get<TypeHandler>(i), Add<TypeHandler>());
+    TypeHandler::Merge(other.template Get<TypeHandler>(i), Add<TypeHandler>());
   }
 }
 
+template <typename TypeHandler>
+inline void RepeatedPtrFieldBase::CopyFrom(const RepeatedPtrFieldBase& other) {
+  RepeatedPtrFieldBase::Clear<TypeHandler>();
+  RepeatedPtrFieldBase::MergeFrom<TypeHandler>(other);
+}
+
 inline int RepeatedPtrFieldBase::Capacity() const {
   return total_size_;
 }
@@ -713,7 +907,7 @@ inline void RepeatedPtrFieldBase::SwapElements(int index1, int index2) {
 template <typename TypeHandler>
 inline int RepeatedPtrFieldBase::SpaceUsedExcludingSelf() const {
   int allocated_bytes =
-      (elements_ != initial_space_) ? total_size_ * sizeof(elements_[0]) : 0;
+      (elements_ != NULL) ? total_size_ * sizeof(elements_[0]) : 0;
   for (int i = 0; i < allocated_size_; ++i) {
     allocated_bytes += TypeHandler::SpaceUsed(*cast<TypeHandler>(elements_[i]));
   }
@@ -770,7 +964,6 @@ inline typename TypeHandler::Type* RepeatedPtrFieldBase::ReleaseLast() {
   return result;
 }
 
-
 inline int RepeatedPtrFieldBase::ClearedCount() const {
   return allocated_size_ - current_size_;
 }
@@ -794,21 +987,46 @@ inline typename TypeHandler::Type* RepeatedPtrFieldBase::ReleaseCleared() {
 
 template <typename Element>
 class RepeatedPtrField<Element>::TypeHandler
-    : public internal::GenericTypeHandler<Element> {};
+    : public internal::GenericTypeHandler<Element> {
+};
 
 template <>
 class RepeatedPtrField<string>::TypeHandler
-    : public internal::StringTypeHandler {};
+    : public internal::StringTypeHandler {
+};
 
 
 template <typename Element>
 inline RepeatedPtrField<Element>::RepeatedPtrField() {}
 
+template <typename Element>
+inline RepeatedPtrField<Element>::RepeatedPtrField(
+    const RepeatedPtrField& other) {
+  CopyFrom(other);
+}
+
+template <typename Element>
+template <typename Iter>
+inline RepeatedPtrField<Element>::RepeatedPtrField(
+    Iter begin, const Iter& end) {
+  for (; begin != end; ++begin) {
+    *Add() = *begin;
+  }
+}
+
 template <typename Element>
 RepeatedPtrField<Element>::~RepeatedPtrField() {
   Destroy<TypeHandler>();
 }
 
+template <typename Element>
+inline RepeatedPtrField<Element>& RepeatedPtrField<Element>::operator=(
+    const RepeatedPtrField& other) {
+  if (this != &other)
+    CopyFrom(other);
+  return *this;
+}
+
 template <typename Element>
 inline int RepeatedPtrField<Element>::size() const {
   return RepeatedPtrFieldBase::size();
@@ -819,6 +1037,7 @@ inline const Element& RepeatedPtrField<Element>::Get(int index) const {
   return RepeatedPtrFieldBase::Get<TypeHandler>(index);
 }
 
+
 template <typename Element>
 inline Element* RepeatedPtrField<Element>::Mutable(int index) {
   return RepeatedPtrFieldBase::Mutable<TypeHandler>(index);
@@ -834,6 +1053,33 @@ inline void RepeatedPtrField<Element>::RemoveLast() {
   RepeatedPtrFieldBase::RemoveLast<TypeHandler>();
 }
 
+template <typename Element>
+inline void RepeatedPtrField<Element>::DeleteSubrange(int start, int num) {
+  GOOGLE_DCHECK_GE(start, 0);
+  GOOGLE_DCHECK_GE(num, 0);
+  GOOGLE_DCHECK_LE(start + num, size());
+  for (int i = 0; i < num; ++i)
+    delete RepeatedPtrFieldBase::Mutable<TypeHandler>(start + i);
+  ExtractSubrange(start, num, NULL);
+}
+
+template <typename Element>
+inline void RepeatedPtrField<Element>::ExtractSubrange(
+    int start, int num, Element** elements) {
+  GOOGLE_DCHECK_GE(start, 0);
+  GOOGLE_DCHECK_GE(num, 0);
+  GOOGLE_DCHECK_LE(start + num, size());
+
+  if (num > 0) {
+    // Save the values of the removed elements if requested.
+    if (elements != NULL) {
+      for (int i = 0; i < num; ++i)
+        elements[i] = RepeatedPtrFieldBase::Mutable<TypeHandler>(i + start);
+    }
+    CloseGap(start, num);
+  }
+}
+
 template <typename Element>
 inline void RepeatedPtrField<Element>::Clear() {
   RepeatedPtrFieldBase::Clear<TypeHandler>();
@@ -845,6 +1091,12 @@ inline void RepeatedPtrField<Element>::MergeFrom(
   RepeatedPtrFieldBase::MergeFrom<TypeHandler>(other);
 }
 
+template <typename Element>
+inline void RepeatedPtrField<Element>::CopyFrom(
+    const RepeatedPtrField& other) {
+  RepeatedPtrFieldBase::CopyFrom<TypeHandler>(other);
+}
+
 template <typename Element>
 inline Element** RepeatedPtrField<Element>::mutable_data() {
   return RepeatedPtrFieldBase::mutable_data<TypeHandler>();
@@ -914,7 +1166,7 @@ namespace internal {
 // refer to this class directly; use RepeatedPtrField<T>::iterator instead.
 //
 // The iterator for RepeatedPtrField<T>, RepeatedPtrIterator<T>, is
-// very similar to iterator_ptr<T**> in util/gtl/iterator_adaptors-inl.h,
+// very similar to iterator_ptr<T**> in util/gtl/iterator_adaptors.h,
 // but adds random-access operators and is modified to wrap a void** base
 // iterator (since RepeatedPtrField stores its array as a void* array and
 // casting void** to T** would violate C++ aliasing rules).
@@ -944,7 +1196,7 @@ class RepeatedPtrIterator
   template<typename OtherElement>
   RepeatedPtrIterator(const RepeatedPtrIterator<OtherElement>& other)
       : it_(other.it_) {
-    // Force a compiler error if the other type is not convertable to ours.
+    // Force a compiler error if the other type is not convertible to ours.
     if (false) {
       implicit_cast<Element*, OtherElement*>(0);
     }
@@ -1010,11 +1262,14 @@ class RepeatedPtrIterator
 // rather than the objects themselves as RepeatedPtrIterator does.
 // Consider using this when working with stl algorithms that change
 // the array.
-template<typename Element>
+// The VoidPtr template parameter holds the type-agnostic pointer value
+// referenced by the iterator.  It should either be "void *" for a mutable
+// iterator, or "const void *" for a constant iterator.
+template<typename Element, typename VoidPtr>
 class RepeatedPtrOverPtrsIterator
     : public std::iterator<std::random_access_iterator_tag, Element*> {
  public:
-  typedef RepeatedPtrOverPtrsIterator<Element> iterator;
+  typedef RepeatedPtrOverPtrsIterator<Element, VoidPtr> iterator;
   typedef std::iterator<
           std::random_access_iterator_tag, Element*> superclass;
 
@@ -1025,7 +1280,7 @@ class RepeatedPtrOverPtrsIterator
   typedef typename superclass::difference_type difference_type;
 
   RepeatedPtrOverPtrsIterator() : it_(NULL) {}
-  explicit RepeatedPtrOverPtrsIterator(void** it) : it_(it) {}
+  explicit RepeatedPtrOverPtrsIterator(VoidPtr* it) : it_(it) {}
 
   // dereferenceable
   reference operator*() const { return *reinterpret_cast<Element**>(it_); }
@@ -1080,10 +1335,9 @@ class RepeatedPtrOverPtrsIterator
   friend class RepeatedPtrIterator;
 
   // The internal iterator.
-  void** it_;
+  VoidPtr* it_;
 };
 
-
 }  // namespace internal
 
 template <typename Element>
@@ -1113,10 +1367,21 @@ RepeatedPtrField<Element>::pointer_begin() {
   return pointer_iterator(raw_mutable_data());
 }
 template <typename Element>
+inline typename RepeatedPtrField<Element>::const_pointer_iterator
+RepeatedPtrField<Element>::pointer_begin() const {
+  return const_pointer_iterator(const_cast<const void**>(raw_mutable_data()));
+}
+template <typename Element>
 inline typename RepeatedPtrField<Element>::pointer_iterator
 RepeatedPtrField<Element>::pointer_end() {
   return pointer_iterator(raw_mutable_data() + size());
 }
+template <typename Element>
+inline typename RepeatedPtrField<Element>::const_pointer_iterator
+RepeatedPtrField<Element>::pointer_end() const {
+  return const_pointer_iterator(
+      const_cast<const void**>(raw_mutable_data() + size()));
+}
 
 
 // Iterators and helper functions that follow the spirit of the STL
@@ -1126,7 +1391,7 @@ RepeatedPtrField<Element>::pointer_end() {
 //   std::copy(some_sequence.begin(), some_sequence.end(),
 //             google::protobuf::RepeatedFieldBackInserter(proto.mutable_sequence()));
 //
-// Ported by johannes from util/gtl/proto-array-iterators-inl.h
+// Ported by johannes from util/gtl/proto-array-iterators.h
 
 namespace internal {
 // A back inserter for RepeatedField objects.
@@ -1147,12 +1412,12 @@ template<typename T> class RepeatedFieldBackInsertIterator
   RepeatedFieldBackInsertIterator<T>& operator++() {
     return *this;
   }
-  RepeatedFieldBackInsertIterator<T>& operator++(int ignores_parameter) {
+  RepeatedFieldBackInsertIterator<T>& operator++(int /* unused */) {
     return *this;
   }
 
  private:
-  RepeatedField<T>* const field_;
+  RepeatedField<T>* field_;
 };
 
 // A back inserter for RepeatedPtrField objects.
@@ -1178,12 +1443,12 @@ template<typename T> class RepeatedPtrFieldBackInsertIterator
   RepeatedPtrFieldBackInsertIterator<T>& operator++() {
     return *this;
   }
-  RepeatedPtrFieldBackInsertIterator<T>& operator++(int ignores_parameter) {
+  RepeatedPtrFieldBackInsertIterator<T>& operator++(int /* unused */) {
     return *this;
   }
 
  private:
-  RepeatedPtrField<T>* const field_;
+  RepeatedPtrField<T>* field_;
 };
 
 // A back inserter for RepeatedPtrFields that inserts by transfering ownership
@@ -1207,26 +1472,32 @@ template<typename T> class AllocatedRepeatedPtrFieldBackInsertIterator
     return *this;
   }
   AllocatedRepeatedPtrFieldBackInsertIterator<T>& operator++(
-      int ignores_parameter) {
+      int /* unused */) {
     return *this;
   }
 
  private:
-  RepeatedPtrField<T>* const field_;
+  RepeatedPtrField<T>* field_;
 };
 }  // namespace internal
 
 // Provides a back insert iterator for RepeatedField instances,
-// similar to std::back_inserter(). Note the identically named
-// function for RepeatedPtrField instances.
+// similar to std::back_inserter().
 template<typename T> internal::RepeatedFieldBackInsertIterator<T>
 RepeatedFieldBackInserter(RepeatedField<T>* const mutable_field) {
   return internal::RepeatedFieldBackInsertIterator<T>(mutable_field);
 }
 
 // Provides a back insert iterator for RepeatedPtrField instances,
-// similar to std::back_inserter(). Note the identically named
-// function for RepeatedField instances.
+// similar to std::back_inserter().
+template<typename T> internal::RepeatedPtrFieldBackInsertIterator<T>
+RepeatedPtrFieldBackInserter(RepeatedPtrField<T>* const mutable_field) {
+  return internal::RepeatedPtrFieldBackInsertIterator<T>(mutable_field);
+}
+
+// Special back insert iterator for RepeatedPtrField instances, just in
+// case someone wants to write generic template code that can access both
+// RepeatedFields and RepeatedPtrFields using a common name.
 template<typename T> internal::RepeatedPtrFieldBackInsertIterator<T>
 RepeatedFieldBackInserter(RepeatedPtrField<T>* const mutable_field) {
   return internal::RepeatedPtrFieldBackInsertIterator<T>(mutable_field);
diff --git a/common/protobuf-2.5.0/src/google/protobuf/repeated_field_reflection_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/repeated_field_reflection_unittest.cc
new file mode 100644
index 00000000..a40162d0
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/repeated_field_reflection_unittest.cc
@@ -0,0 +1,195 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Author: tgs@google.com (Tom Szymanski)
+//
+// Test reflection methods for aggregate access to Repeated[Ptr]Fields.
+// This test proto2 methods on a proto2 layout.
+
+#include <google/protobuf/stubs/common.h>
+#include <google/protobuf/stubs/stringprintf.h>
+#include <google/protobuf/unittest.pb.h>
+#include <google/protobuf/test_util.h>
+#include <gtest/gtest.h>
+
+namespace google {
+namespace protobuf {
+
+using unittest::ForeignMessage;
+using unittest::TestAllTypes;
+using unittest::TestAllExtensions;
+
+namespace {
+
+static int Func(int i, int j) {
+  return i * j;
+}
+
+static string StrFunc(int i, int j) {
+  string str;
+  SStringPrintf(&str, "%d", Func(i, 4));
+  return str;
+}
+
+
+TEST(RepeatedFieldReflectionTest, RegularFields) {
+  TestAllTypes message;
+  const Reflection* refl = message.GetReflection();
+  const Descriptor* desc = message.GetDescriptor();
+
+  for (int i = 0; i < 10; ++i) {
+    message.add_repeated_int32(Func(i, 1));
+    message.add_repeated_double(Func(i, 2));
+    message.add_repeated_string(StrFunc(i, 5));
+    message.add_repeated_foreign_message()->set_c(Func(i, 6));
+  }
+
+  // Get FieldDescriptors for all the fields of interest.
+  const FieldDescriptor* fd_repeated_int32 =
+      desc->FindFieldByName("repeated_int32");
+  const FieldDescriptor* fd_repeated_double =
+      desc->FindFieldByName("repeated_double");
+  const FieldDescriptor* fd_repeated_string =
+      desc->FindFieldByName("repeated_string");
+  const FieldDescriptor* fd_repeated_foreign_message =
+      desc->FindFieldByName("repeated_foreign_message");
+
+  // Get RepeatedField objects for all fields of interest.
+  const RepeatedField<int32>& rf_int32 =
+      refl->GetRepeatedField<int32>(message, fd_repeated_int32);
+  const RepeatedField<double>& rf_double =
+      refl->GetRepeatedField<double>(message, fd_repeated_double);
+
+  // Get mutable RepeatedField objects for all fields of interest.
+  RepeatedField<int32>* mrf_int32 =
+      refl->MutableRepeatedField<int32>(&message, fd_repeated_int32);
+  RepeatedField<double>* mrf_double =
+      refl->MutableRepeatedField<double>(&message, fd_repeated_double);
+
+  // Get RepeatedPtrField objects for all fields of interest.
+  const RepeatedPtrField<string>& rpf_string =
+      refl->GetRepeatedPtrField<string>(message, fd_repeated_string);
+  const RepeatedPtrField<ForeignMessage>& rpf_foreign_message =
+      refl->GetRepeatedPtrField<ForeignMessage>(
+          message, fd_repeated_foreign_message);
+  const RepeatedPtrField<Message>& rpf_message =
+      refl->GetRepeatedPtrField<Message>(
+          message, fd_repeated_foreign_message);
+
+  // Get mutable RepeatedPtrField objects for all fields of interest.
+  RepeatedPtrField<string>* mrpf_string =
+      refl->MutableRepeatedPtrField<string>(&message, fd_repeated_string);
+  RepeatedPtrField<ForeignMessage>* mrpf_foreign_message =
+      refl->MutableRepeatedPtrField<ForeignMessage>(
+          &message, fd_repeated_foreign_message);
+  RepeatedPtrField<Message>* mrpf_message =
+      refl->MutableRepeatedPtrField<Message>(
+          &message, fd_repeated_foreign_message);
+
+  // Make sure we can do get and sets through the Repeated[Ptr]Field objects.
+  for (int i = 0; i < 10; ++i) {
+    // Check gets through const objects.
+    EXPECT_EQ(rf_int32.Get(i), Func(i, 1));
+    EXPECT_EQ(rf_double.Get(i), Func(i, 2));
+    EXPECT_EQ(rpf_string.Get(i), StrFunc(i, 5));
+    EXPECT_EQ(rpf_foreign_message.Get(i).c(), Func(i, 6));
+    EXPECT_EQ(down_cast<const ForeignMessage*>(&rpf_message.Get(i))->c(),
+              Func(i, 6));
+
+    // Check gets through mutable objects.
+    EXPECT_EQ(mrf_int32->Get(i), Func(i, 1));
+    EXPECT_EQ(mrf_double->Get(i), Func(i, 2));
+    EXPECT_EQ(mrpf_string->Get(i), StrFunc(i, 5));
+    EXPECT_EQ(mrpf_foreign_message->Get(i).c(), Func(i, 6));
+    EXPECT_EQ(down_cast<const ForeignMessage*>(&mrpf_message->Get(i))->c(),
+              Func(i, 6));
+
+    // Check sets through mutable objects.
+    mrf_int32->Set(i, Func(i, -1));
+    mrf_double->Set(i, Func(i, -2));
+    mrpf_string->Mutable(i)->assign(StrFunc(i, -5));
+    mrpf_foreign_message->Mutable(i)->set_c(Func(i, -6));
+    EXPECT_EQ(message.repeated_int32(i), Func(i, -1));
+    EXPECT_EQ(message.repeated_double(i), Func(i, -2));
+    EXPECT_EQ(message.repeated_string(i), StrFunc(i, -5));
+    EXPECT_EQ(message.repeated_foreign_message(i).c(), Func(i, -6));
+    down_cast<ForeignMessage*>(mrpf_message->Mutable(i))->set_c(Func(i, 7));
+    EXPECT_EQ(message.repeated_foreign_message(i).c(), Func(i, 7));
+  }
+
+#ifdef PROTOBUF_HAS_DEATH_TEST
+  // Make sure types are checked correctly at runtime.
+  const FieldDescriptor* fd_optional_int32 =
+      desc->FindFieldByName("optional_int32");
+  EXPECT_DEATH(refl->GetRepeatedField<int32>(
+      message, fd_optional_int32), "requires a repeated field");
+  EXPECT_DEATH(refl->GetRepeatedField<double>(
+      message, fd_repeated_int32), "not the right type");
+  EXPECT_DEATH(refl->GetRepeatedPtrField<TestAllTypes>(
+      message, fd_repeated_foreign_message), "wrong submessage type");
+#endif  // PROTOBUF_HAS_DEATH_TEST
+}
+
+
+
+
+TEST(RepeatedFieldReflectionTest, ExtensionFields) {
+  TestAllExtensions extended_message;
+  const Reflection* refl = extended_message.GetReflection();
+  const Descriptor* desc = extended_message.GetDescriptor();
+
+  for (int i = 0; i < 10; ++i) {
+    extended_message.AddExtension(
+        unittest::repeated_int64_extension, Func(i, 1));
+  }
+
+  const FieldDescriptor* fd_repeated_int64_extension =
+      desc->file()->FindExtensionByName("repeated_int64_extension");
+  GOOGLE_CHECK(fd_repeated_int64_extension != NULL);
+
+  const RepeatedField<int64>& rf_int64_extension =
+      refl->GetRepeatedField<int64>(extended_message,
+                                    fd_repeated_int64_extension);
+
+  RepeatedField<int64>* mrf_int64_extension =
+      refl->MutableRepeatedField<int64>(&extended_message,
+                                        fd_repeated_int64_extension);
+
+  for (int i = 0; i < 10; ++i) {
+    EXPECT_EQ(Func(i, 1), rf_int64_extension.Get(i));
+    mrf_int64_extension->Set(i, Func(i, -1));
+    EXPECT_EQ(Func(i, -1),
+        extended_message.GetExtension(unittest::repeated_int64_extension, i));
+  }
+}
+
+}  // namespace
+}  // namespace protobuf
+}  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/repeated_field_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/repeated_field_unittest.cc
similarity index 68%
rename from common/protobuf-2.3.0/src/google/protobuf/repeated_field_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/repeated_field_unittest.cc
index 7c35f604..257701eb 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/repeated_field_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/repeated_field_unittest.cc
@@ -36,6 +36,7 @@
 //   other proto2 unittests.
 
 #include <algorithm>
+#include <limits>
 #include <list>
 #include <vector>
 
@@ -46,7 +47,7 @@
 #include <google/protobuf/stubs/strutil.h>
 #include <google/protobuf/testing/googletest.h>
 #include <gtest/gtest.h>
-#include <google/protobuf/stubs/stl_util-inl.h>
+#include <google/protobuf/stubs/stl_util.h>
 
 namespace google {
 using protobuf_unittest::TestAllTypes;
@@ -54,8 +55,7 @@ using protobuf_unittest::TestAllTypes;
 namespace protobuf {
 namespace {
 
-// Test operations on a RepeatedField which is small enough that it does
-// not allocate a separate array for storage.
+// Test operations on a small RepeatedField.
 TEST(RepeatedField, Small) {
   RepeatedField<int> field;
 
@@ -77,7 +77,6 @@ TEST(RepeatedField, Small) {
   EXPECT_EQ(field.size(), 2);
   EXPECT_EQ(field.Get(0), 5);
   EXPECT_EQ(field.Get(1), 23);
-  EXPECT_EQ(field.SpaceUsedExcludingSelf(), 0);
 
   field.RemoveLast();
 
@@ -87,9 +86,11 @@ TEST(RepeatedField, Small) {
   field.Clear();
 
   EXPECT_EQ(field.size(), 0);
-  EXPECT_EQ(field.SpaceUsedExcludingSelf(), 0);
+  int expected_usage = 4 * sizeof(int);
+  EXPECT_EQ(field.SpaceUsedExcludingSelf(), expected_usage);
 }
 
+
 // Test operations on a RepeatedField which is large enough to allocate a
 // separate array.
 TEST(RepeatedField, Large) {
@@ -213,10 +214,8 @@ TEST(RepeatedField, ReserveLessThanExisting) {
 
 TEST(RepeatedField, MergeFrom) {
   RepeatedField<int> source, destination;
-
   source.Add(4);
   source.Add(5);
-
   destination.Add(1);
   destination.Add(2);
   destination.Add(3);
@@ -224,7 +223,6 @@ TEST(RepeatedField, MergeFrom) {
   destination.MergeFrom(source);
 
   ASSERT_EQ(5, destination.size());
-
   EXPECT_EQ(1, destination.Get(0));
   EXPECT_EQ(2, destination.Get(1));
   EXPECT_EQ(3, destination.Get(2));
@@ -232,6 +230,78 @@ TEST(RepeatedField, MergeFrom) {
   EXPECT_EQ(5, destination.Get(4));
 }
 
+TEST(RepeatedField, CopyFrom) {
+  RepeatedField<int> source, destination;
+  source.Add(4);
+  source.Add(5);
+  destination.Add(1);
+  destination.Add(2);
+  destination.Add(3);
+
+  destination.CopyFrom(source);
+
+  ASSERT_EQ(2, destination.size());
+  EXPECT_EQ(4, destination.Get(0));
+  EXPECT_EQ(5, destination.Get(1));
+}
+
+TEST(RepeatedField, CopyConstruct) {
+  RepeatedField<int> source;
+  source.Add(1);
+  source.Add(2);
+
+  RepeatedField<int> destination(source);
+
+  ASSERT_EQ(2, destination.size());
+  EXPECT_EQ(1, destination.Get(0));
+  EXPECT_EQ(2, destination.Get(1));
+}
+
+TEST(RepeatedField, IteratorConstruct) {
+  vector<int> values;
+  values.push_back(1);
+  values.push_back(2);
+
+  RepeatedField<int> field(values.begin(), values.end());
+  ASSERT_EQ(values.size(), field.size());
+  EXPECT_EQ(values[0], field.Get(0));
+  EXPECT_EQ(values[1], field.Get(1));
+
+  RepeatedField<int> other(field.begin(), field.end());
+  ASSERT_EQ(values.size(), other.size());
+  EXPECT_EQ(values[0], other.Get(0));
+  EXPECT_EQ(values[1], other.Get(1));
+}
+
+TEST(RepeatedField, CopyAssign) {
+  RepeatedField<int> source, destination;
+  source.Add(4);
+  source.Add(5);
+  destination.Add(1);
+  destination.Add(2);
+  destination.Add(3);
+
+  destination = source;
+
+  ASSERT_EQ(2, destination.size());
+  EXPECT_EQ(4, destination.Get(0));
+  EXPECT_EQ(5, destination.Get(1));
+}
+
+TEST(RepeatedField, SelfAssign) {
+  // Verify that assignment to self does not destroy data.
+  RepeatedField<int> source, *p;
+  p = &source;
+  source.Add(7);
+  source.Add(8);
+
+  *p = source;
+
+  ASSERT_EQ(2, source.size());
+  EXPECT_EQ(7, source.Get(0));
+  EXPECT_EQ(8, source.Get(1));
+}
+
 TEST(RepeatedField, MutableDataIsMutable) {
   RepeatedField<int> field;
   field.Add(1);
@@ -261,12 +331,47 @@ TEST(RepeatedField, Truncate) {
   // Truncations that don't change the size are allowed, but growing is not
   // allowed.
   field.Truncate(field.size());
-#ifdef GTEST_HAS_DEATH_TEST
+#ifdef PROTOBUF_HAS_DEATH_TEST
   EXPECT_DEBUG_DEATH(field.Truncate(field.size() + 1), "new_size");
 #endif
 }
 
 
+TEST(RepeatedField, ExtractSubrange) {
+  // Exhaustively test every subrange in arrays of all sizes from 0 through 9.
+  for (int sz = 0; sz < 10; ++sz) {
+    for (int num = 0; num <= sz; ++num) {
+      for (int start = 0; start < sz - num; ++start) {
+        // Create RepeatedField with sz elements having values 0 through sz-1.
+        RepeatedField<int32> field;
+        for (int i = 0; i < sz; ++i)
+          field.Add(i);
+        EXPECT_EQ(field.size(), sz);
+
+        // Create a catcher array and call ExtractSubrange.
+        int32 catcher[10];
+        for (int i = 0; i < 10; ++i)
+          catcher[i] = -1;
+        field.ExtractSubrange(start, num, catcher);
+
+        // Does the resulting array have the right size?
+        EXPECT_EQ(field.size(), sz - num);
+
+        // Were the removed elements extracted into the catcher array?
+        for (int i = 0; i < num; ++i)
+          EXPECT_EQ(catcher[i], start + i);
+        EXPECT_EQ(catcher[num], -1);
+
+        // Does the resulting array contain the right values?
+        for (int i = 0; i < start; ++i)
+          EXPECT_EQ(field.Get(i), i);
+        for (int i = start; i < field.size(); ++i)
+          EXPECT_EQ(field.Get(i), i + num);
+      }
+    }
+  }
+}
+
 // ===================================================================
 // RepeatedPtrField tests.  These pretty much just mirror the RepeatedField
 // tests above.
@@ -303,6 +408,7 @@ TEST(RepeatedPtrField, Small) {
   EXPECT_EQ(field.size(), 0);
 }
 
+
 TEST(RepeatedPtrField, Large) {
   RepeatedPtrField<string> field;
 
@@ -517,10 +623,8 @@ TEST(RepeatedPtrField, AddAlocated) {
 
 TEST(RepeatedPtrField, MergeFrom) {
   RepeatedPtrField<string> source, destination;
-
   source.Add()->assign("4");
   source.Add()->assign("5");
-
   destination.Add()->assign("1");
   destination.Add()->assign("2");
   destination.Add()->assign("3");
@@ -528,7 +632,6 @@ TEST(RepeatedPtrField, MergeFrom) {
   destination.MergeFrom(source);
 
   ASSERT_EQ(5, destination.size());
-
   EXPECT_EQ("1", destination.Get(0));
   EXPECT_EQ("2", destination.Get(1));
   EXPECT_EQ("3", destination.Get(2));
@@ -536,6 +639,97 @@ TEST(RepeatedPtrField, MergeFrom) {
   EXPECT_EQ("5", destination.Get(4));
 }
 
+TEST(RepeatedPtrField, CopyFrom) {
+  RepeatedPtrField<string> source, destination;
+  source.Add()->assign("4");
+  source.Add()->assign("5");
+  destination.Add()->assign("1");
+  destination.Add()->assign("2");
+  destination.Add()->assign("3");
+
+  destination.CopyFrom(source);
+
+  ASSERT_EQ(2, destination.size());
+  EXPECT_EQ("4", destination.Get(0));
+  EXPECT_EQ("5", destination.Get(1));
+}
+
+TEST(RepeatedPtrField, CopyConstruct) {
+  RepeatedPtrField<string> source;
+  source.Add()->assign("1");
+  source.Add()->assign("2");
+
+  RepeatedPtrField<string> destination(source);
+
+  ASSERT_EQ(2, destination.size());
+  EXPECT_EQ("1", destination.Get(0));
+  EXPECT_EQ("2", destination.Get(1));
+}
+
+TEST(RepeatedPtrField, IteratorConstruct_String) {
+  vector<string> values;
+  values.push_back("1");
+  values.push_back("2");
+
+  RepeatedPtrField<string> field(values.begin(), values.end());
+  ASSERT_EQ(values.size(), field.size());
+  EXPECT_EQ(values[0], field.Get(0));
+  EXPECT_EQ(values[1], field.Get(1));
+
+  RepeatedPtrField<string> other(field.begin(), field.end());
+  ASSERT_EQ(values.size(), other.size());
+  EXPECT_EQ(values[0], other.Get(0));
+  EXPECT_EQ(values[1], other.Get(1));
+}
+
+TEST(RepeatedPtrField, IteratorConstruct_Proto) {
+  typedef TestAllTypes::NestedMessage Nested;
+  vector<Nested> values;
+  values.push_back(Nested());
+  values.back().set_bb(1);
+  values.push_back(Nested());
+  values.back().set_bb(2);
+
+  RepeatedPtrField<Nested> field(values.begin(), values.end());
+  ASSERT_EQ(values.size(), field.size());
+  EXPECT_EQ(values[0].bb(), field.Get(0).bb());
+  EXPECT_EQ(values[1].bb(), field.Get(1).bb());
+
+  RepeatedPtrField<Nested> other(field.begin(), field.end());
+  ASSERT_EQ(values.size(), other.size());
+  EXPECT_EQ(values[0].bb(), other.Get(0).bb());
+  EXPECT_EQ(values[1].bb(), other.Get(1).bb());
+}
+
+TEST(RepeatedPtrField, CopyAssign) {
+  RepeatedPtrField<string> source, destination;
+  source.Add()->assign("4");
+  source.Add()->assign("5");
+  destination.Add()->assign("1");
+  destination.Add()->assign("2");
+  destination.Add()->assign("3");
+
+  destination = source;
+
+  ASSERT_EQ(2, destination.size());
+  EXPECT_EQ("4", destination.Get(0));
+  EXPECT_EQ("5", destination.Get(1));
+}
+
+TEST(RepeatedPtrField, SelfAssign) {
+  // Verify that assignment to self does not destroy data.
+  RepeatedPtrField<string> source, *p;
+  p = &source;
+  source.Add()->assign("7");
+  source.Add()->assign("8");
+
+  *p = source;
+
+  ASSERT_EQ(2, source.size());
+  EXPECT_EQ("7", source.Get(0));
+  EXPECT_EQ("8", source.Get(1));
+}
+
 TEST(RepeatedPtrField, MutableDataIsMutable) {
   RepeatedPtrField<string> field;
   *field.Add() = "1";
@@ -547,6 +741,77 @@ TEST(RepeatedPtrField, MutableDataIsMutable) {
   EXPECT_EQ("2", field.Get(0));
 }
 
+TEST(RepeatedPtrField, ExtractSubrange) {
+  // Exhaustively test every subrange in arrays of all sizes from 0 through 9
+  // with 0 through 3 cleared elements at the end.
+  for (int sz = 0; sz < 10; ++sz) {
+    for (int num = 0; num <= sz; ++num) {
+      for (int start = 0; start < sz - num; ++start) {
+        for (int extra = 0; extra < 4; ++extra) {
+          vector<string*> subject;
+
+          // Create an array with "sz" elements and "extra" cleared elements.
+          RepeatedPtrField<string> field;
+          for (int i = 0; i < sz + extra; ++i) {
+            subject.push_back(new string());
+            field.AddAllocated(subject[i]);
+          }
+          EXPECT_EQ(field.size(), sz + extra);
+          for (int i = 0; i < extra; ++i)
+            field.RemoveLast();
+          EXPECT_EQ(field.size(), sz);
+          EXPECT_EQ(field.ClearedCount(), extra);
+
+          // Create a catcher array and call ExtractSubrange.
+          string* catcher[10];
+          for (int i = 0; i < 10; ++i)
+            catcher[i] = NULL;
+          field.ExtractSubrange(start, num, catcher);
+
+          // Does the resulting array have the right size?
+          EXPECT_EQ(field.size(), sz - num);
+
+          // Were the removed elements extracted into the catcher array?
+          for (int i = 0; i < num; ++i)
+            EXPECT_EQ(catcher[i], subject[start + i]);
+          EXPECT_EQ(NULL, catcher[num]);
+
+          // Does the resulting array contain the right values?
+          for (int i = 0; i < start; ++i)
+            EXPECT_EQ(field.Mutable(i), subject[i]);
+          for (int i = start; i < field.size(); ++i)
+            EXPECT_EQ(field.Mutable(i), subject[i + num]);
+
+          // Reinstate the cleared elements.
+          EXPECT_EQ(field.ClearedCount(), extra);
+          for (int i = 0; i < extra; ++i)
+            field.Add();
+          EXPECT_EQ(field.ClearedCount(), 0);
+          EXPECT_EQ(field.size(), sz - num + extra);
+
+          // Make sure the extra elements are all there (in some order).
+          for (int i = sz; i < sz + extra; ++i) {
+            int count = 0;
+            for (int j = sz; j < sz + extra; ++j) {
+              if (field.Mutable(j - num) == subject[i])
+                count += 1;
+            }
+            EXPECT_EQ(count, 1);
+          }
+
+          // Release the caught elements.
+          for (int i = 0; i < num; ++i)
+            delete catcher[i];
+        }
+      }
+    }
+  }
+}
+
+TEST(RepeatedPtrField, DeleteSubrange) {
+  // DeleteSubrange is a trivial extension of ExtendSubrange.
+}
+
 // ===================================================================
 
 // Iterator tests stolen from net/proto/proto-array_unittest.
@@ -564,7 +829,8 @@ class RepeatedFieldIteratorTest : public testing::Test {
 TEST_F(RepeatedFieldIteratorTest, Convertible) {
   RepeatedField<int>::iterator iter = proto_array_.begin();
   RepeatedField<int>::const_iterator c_iter = iter;
-  EXPECT_EQ(0, *c_iter);
+  RepeatedField<int>::value_type value = *c_iter;
+  EXPECT_EQ(0, value);
 }
 
 TEST_F(RepeatedFieldIteratorTest, MutableIteration) {
@@ -613,6 +879,8 @@ class RepeatedPtrFieldIteratorTest : public testing::Test {
 TEST_F(RepeatedPtrFieldIteratorTest, Convertible) {
   RepeatedPtrField<string>::iterator iter = proto_array_.begin();
   RepeatedPtrField<string>::const_iterator c_iter = iter;
+  RepeatedPtrField<string>::value_type value = *c_iter;
+  EXPECT_EQ("foo", value);
 }
 
 TEST_F(RepeatedPtrFieldIteratorTest, MutableIteration) {
@@ -638,6 +906,30 @@ TEST_F(RepeatedPtrFieldIteratorTest, ConstIteration) {
   EXPECT_EQ("baz", *(--const_proto_array.end()));
 }
 
+TEST_F(RepeatedPtrFieldIteratorTest, MutableReverseIteration) {
+  RepeatedPtrField<string>::reverse_iterator iter = proto_array_.rbegin();
+  EXPECT_EQ("baz", *iter);
+  ++iter;
+  EXPECT_EQ("bar", *(iter++));
+  EXPECT_EQ("foo", *iter);
+  ++iter;
+  EXPECT_TRUE(proto_array_.rend() == iter);
+  EXPECT_EQ("foo", *(--proto_array_.rend()));
+}
+
+TEST_F(RepeatedPtrFieldIteratorTest, ConstReverseIteration) {
+  const RepeatedPtrField<string>& const_proto_array = proto_array_;
+  RepeatedPtrField<string>::const_reverse_iterator iter
+      = const_proto_array.rbegin();
+  EXPECT_EQ("baz", *iter);
+  ++iter;
+  EXPECT_EQ("bar", *(iter++));
+  EXPECT_EQ("foo", *iter);
+  ++iter;
+  EXPECT_TRUE(const_proto_array.rend() == iter);
+  EXPECT_EQ("foo", *(--const_proto_array.rend()));
+}
+
 TEST_F(RepeatedPtrFieldIteratorTest, RandomAccess) {
   RepeatedPtrField<string>::iterator iter = proto_array_.begin();
   RepeatedPtrField<string>::iterator iter2 = iter;
@@ -705,14 +997,23 @@ class RepeatedPtrFieldPtrsIteratorTest : public testing::Test {
     proto_array_.Add()->assign("foo");
     proto_array_.Add()->assign("bar");
     proto_array_.Add()->assign("baz");
+    const_proto_array_ = &proto_array_;
   }
 
   RepeatedPtrField<string> proto_array_;
+  const RepeatedPtrField<string>* const_proto_array_;
 };
 
 TEST_F(RepeatedPtrFieldPtrsIteratorTest, ConvertiblePtr) {
   RepeatedPtrField<string>::pointer_iterator iter =
       proto_array_.pointer_begin();
+  (void) iter;
+}
+
+TEST_F(RepeatedPtrFieldPtrsIteratorTest, ConvertibleConstPtr) {
+  RepeatedPtrField<string>::const_pointer_iterator iter =
+      const_proto_array_->pointer_begin();
+  (void) iter;
 }
 
 TEST_F(RepeatedPtrFieldPtrsIteratorTest, MutablePtrIteration) {
@@ -727,6 +1028,18 @@ TEST_F(RepeatedPtrFieldPtrsIteratorTest, MutablePtrIteration) {
   EXPECT_EQ("baz", **(--proto_array_.pointer_end()));
 }
 
+TEST_F(RepeatedPtrFieldPtrsIteratorTest, MutableConstPtrIteration) {
+  RepeatedPtrField<string>::const_pointer_iterator iter =
+      const_proto_array_->pointer_begin();
+  EXPECT_EQ("foo", **iter);
+  ++iter;
+  EXPECT_EQ("bar", **(iter++));
+  EXPECT_EQ("baz", **iter);
+  ++iter;
+  EXPECT_TRUE(const_proto_array_->pointer_end() == iter);
+  EXPECT_EQ("baz", **(--const_proto_array_->pointer_end()));
+}
+
 TEST_F(RepeatedPtrFieldPtrsIteratorTest, RandomPtrAccess) {
   RepeatedPtrField<string>::pointer_iterator iter =
       proto_array_.pointer_begin();
@@ -740,6 +1053,19 @@ TEST_F(RepeatedPtrFieldPtrsIteratorTest, RandomPtrAccess) {
   EXPECT_EQ(3, proto_array_.end() - proto_array_.begin());
 }
 
+TEST_F(RepeatedPtrFieldPtrsIteratorTest, RandomConstPtrAccess) {
+  RepeatedPtrField<string>::const_pointer_iterator iter =
+      const_proto_array_->pointer_begin();
+  RepeatedPtrField<string>::const_pointer_iterator iter2 = iter;
+  ++iter2;
+  ++iter2;
+  EXPECT_TRUE(iter + 2 == iter2);
+  EXPECT_TRUE(iter == iter2 - 2);
+  EXPECT_EQ("baz", *iter[2]);
+  EXPECT_EQ("baz", **(iter + 2));
+  EXPECT_EQ(3, const_proto_array_->end() - const_proto_array_->begin());
+}
+
 TEST_F(RepeatedPtrFieldPtrsIteratorTest, ComparablePtr) {
   RepeatedPtrField<string>::pointer_iterator iter =
       proto_array_.pointer_begin();
@@ -754,6 +1080,20 @@ TEST_F(RepeatedPtrFieldPtrsIteratorTest, ComparablePtr) {
   EXPECT_TRUE(iter >= iter);
 }
 
+TEST_F(RepeatedPtrFieldPtrsIteratorTest, ComparableConstPtr) {
+  RepeatedPtrField<string>::const_pointer_iterator iter =
+      const_proto_array_->pointer_begin();
+  RepeatedPtrField<string>::const_pointer_iterator iter2 = iter + 1;
+  EXPECT_TRUE(iter == iter);
+  EXPECT_TRUE(iter != iter2);
+  EXPECT_TRUE(iter < iter2);
+  EXPECT_TRUE(iter <= iter2);
+  EXPECT_TRUE(iter <= iter);
+  EXPECT_TRUE(iter2 > iter);
+  EXPECT_TRUE(iter2 >= iter);
+  EXPECT_TRUE(iter >= iter);
+}
+
 // Uninitialized iterator does not point to any of the RepeatedPtrOverPtrs.
 // Dereferencing an uninitialized iterator crashes the process.
 TEST_F(RepeatedPtrFieldPtrsIteratorTest, UninitializedPtrIterator) {
@@ -765,6 +1105,14 @@ TEST_F(RepeatedPtrFieldPtrsIteratorTest, UninitializedPtrIterator) {
   EXPECT_TRUE(iter != proto_array_.pointer_end());
 }
 
+TEST_F(RepeatedPtrFieldPtrsIteratorTest, UninitializedConstPtrIterator) {
+  RepeatedPtrField<string>::const_pointer_iterator iter;
+  EXPECT_TRUE(iter != const_proto_array_->pointer_begin());
+  EXPECT_TRUE(iter != const_proto_array_->pointer_begin() + 1);
+  EXPECT_TRUE(iter != const_proto_array_->pointer_begin() + 2);
+  EXPECT_TRUE(iter != const_proto_array_->pointer_begin() + 3);
+  EXPECT_TRUE(iter != const_proto_array_->pointer_end());
+}
 
 // This comparison functor is required by the tests for RepeatedPtrOverPtrs.
 // They operate on strings and need to compare strings as strings in
@@ -789,17 +1137,29 @@ TEST_F(RepeatedPtrFieldPtrsIteratorTest, PtrSTLAlgorithms_lower_bound) {
   proto_array_.Add()->assign("x");
   proto_array_.Add()->assign("y");
 
-  RepeatedPtrField<string>::pointer_iterator iter =
-      proto_array_.pointer_begin();
-  string v = "f";
-  RepeatedPtrField<string>::pointer_iterator it =
-      lower_bound(proto_array_.pointer_begin(), proto_array_.pointer_end(),
-                  &v, StringLessThan());
+  {
+    string v = "f";
+    RepeatedPtrField<string>::pointer_iterator it =
+        lower_bound(proto_array_.pointer_begin(), proto_array_.pointer_end(),
+                    &v, StringLessThan());
 
-  GOOGLE_CHECK(*it != NULL);
+    GOOGLE_CHECK(*it != NULL);
 
-  EXPECT_EQ(**it, "n");
-  EXPECT_TRUE(it == proto_array_.pointer_begin() + 3);
+    EXPECT_EQ(**it, "n");
+    EXPECT_TRUE(it == proto_array_.pointer_begin() + 3);
+  }
+  {
+    string v = "f";
+    RepeatedPtrField<string>::const_pointer_iterator it =
+        lower_bound(const_proto_array_->pointer_begin(),
+                    const_proto_array_->pointer_end(),
+                    &v, StringLessThan());
+
+    GOOGLE_CHECK(*it != NULL);
+
+    EXPECT_EQ(**it, "n");
+    EXPECT_TRUE(it == const_proto_array_->pointer_begin() + 3);
+  }
 }
 
 TEST_F(RepeatedPtrFieldPtrsIteratorTest, PtrMutation) {
@@ -925,13 +1285,24 @@ TEST_F(RepeatedFieldInsertionIteratorsTest, Halves) {
 
 TEST_F(RepeatedFieldInsertionIteratorsTest, Words) {
   ASSERT_EQ(words.size(), protobuffer.repeated_string_size());
-  EXPECT_EQ(words.at(0), protobuffer.repeated_string(0));
-  EXPECT_EQ(words.at(1), protobuffer.repeated_string(1));
-  EXPECT_EQ(words.at(2), protobuffer.repeated_string(2));
-  EXPECT_EQ(words.at(3), protobuffer.repeated_string(3));
-  EXPECT_EQ(words.at(4), protobuffer.repeated_string(4));
-  EXPECT_EQ(words.at(5), protobuffer.repeated_string(5));
-  EXPECT_EQ(words.at(6), protobuffer.repeated_string(6));
+  for (int i = 0; i < words.size(); ++i)
+    EXPECT_EQ(words.at(i), protobuffer.repeated_string(i));
+}
+
+TEST_F(RepeatedFieldInsertionIteratorsTest, Words2) {
+  words.clear();
+  words.push_back("sing");
+  words.push_back("a");
+  words.push_back("song");
+  words.push_back("of");
+  words.push_back("six");
+  words.push_back("pence");
+  protobuffer.mutable_repeated_string()->Clear();
+  std::copy(words.begin(), words.end(), RepeatedPtrFieldBackInserter(
+      protobuffer.mutable_repeated_string()));
+  ASSERT_EQ(words.size(), protobuffer.repeated_string_size());
+  for (int i = 0; i < words.size(); ++i)
+    EXPECT_EQ(words.at(i), protobuffer.repeated_string(i));
 }
 
 TEST_F(RepeatedFieldInsertionIteratorsTest, Nesteds) {
diff --git a/common/protobuf-2.3.0/src/google/protobuf/service.cc b/common/protobuf-2.5.0/src/google/protobuf/service.cc
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/service.cc
rename to common/protobuf-2.5.0/src/google/protobuf/service.cc
diff --git a/common/protobuf-2.3.0/src/google/protobuf/service.h b/common/protobuf-2.5.0/src/google/protobuf/service.h
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/service.h
rename to common/protobuf-2.5.0/src/google/protobuf/service.h
diff --git a/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops.h b/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops.h
new file mode 100644
index 00000000..b8581fa2
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops.h
@@ -0,0 +1,206 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2012 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// The routines exported by this module are subtle.  If you use them, even if
+// you get the code right, it will depend on careful reasoning about atomicity
+// and memory ordering; it will be less readable, and harder to maintain.  If
+// you plan to use these routines, you should have a good reason, such as solid
+// evidence that performance would otherwise suffer, or there being no
+// alternative.  You should assume only properties explicitly guaranteed by the
+// specifications in this file.  You are almost certainly _not_ writing code
+// just for the x86; if you assume x86 semantics, x86 hardware bugs and
+// implementations on other archtectures will cause your code to break.  If you
+// do not know what you are doing, avoid these routines, and use a Mutex.
+//
+// It is incorrect to make direct assignments to/from an atomic variable.
+// You should use one of the Load or Store routines.  The NoBarrier
+// versions are provided when no barriers are needed:
+//   NoBarrier_Store()
+//   NoBarrier_Load()
+// Although there are currently no compiler enforcement, you are encouraged
+// to use these.
+
+// This header and the implementations for each platform (located in
+// atomicops_internals_*) must be kept in sync with the upstream code (V8).
+
+#ifndef GOOGLE_PROTOBUF_ATOMICOPS_H_
+#define GOOGLE_PROTOBUF_ATOMICOPS_H_
+
+// Don't include this file for people not concerned about thread safety.
+#ifndef GOOGLE_PROTOBUF_NO_THREAD_SAFETY
+
+#include <google/protobuf/stubs/platform_macros.h>
+
+namespace google {
+namespace protobuf {
+namespace internal {
+
+typedef int32 Atomic32;
+#ifdef GOOGLE_PROTOBUF_ARCH_64_BIT
+// We need to be able to go between Atomic64 and AtomicWord implicitly.  This
+// means Atomic64 and AtomicWord should be the same type on 64-bit.
+#if defined(GOOGLE_PROTOBUF_OS_NACL)
+// NaCl's intptr_t is not actually 64-bits on 64-bit!
+// http://code.google.com/p/nativeclient/issues/detail?id=1162
+typedef int64 Atomic64;
+#else
+typedef intptr_t Atomic64;
+#endif
+#endif
+
+// Use AtomicWord for a machine-sized pointer.  It will use the Atomic32 or
+// Atomic64 routines below, depending on your architecture.
+typedef intptr_t AtomicWord;
+
+// Atomically execute:
+//      result = *ptr;
+//      if (*ptr == old_value)
+//        *ptr = new_value;
+//      return result;
+//
+// I.e., replace "*ptr" with "new_value" if "*ptr" used to be "old_value".
+// Always return the old value of "*ptr"
+//
+// This routine implies no memory barriers.
+Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr,
+                                  Atomic32 old_value,
+                                  Atomic32 new_value);
+
+// Atomically store new_value into *ptr, returning the previous value held in
+// *ptr.  This routine implies no memory barriers.
+Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr, Atomic32 new_value);
+
+// Atomically increment *ptr by "increment".  Returns the new value of
+// *ptr with the increment applied.  This routine implies no memory barriers.
+Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr, Atomic32 increment);
+
+Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr,
+                                 Atomic32 increment);
+
+// These following lower-level operations are typically useful only to people
+// implementing higher-level synchronization operations like spinlocks,
+// mutexes, and condition-variables.  They combine CompareAndSwap(), a load, or
+// a store with appropriate memory-ordering instructions.  "Acquire" operations
+// ensure that no later memory access can be reordered ahead of the operation.
+// "Release" operations ensure that no previous memory access can be reordered
+// after the operation.  "Barrier" operations have both "Acquire" and "Release"
+// semantics.   A MemoryBarrier() has "Barrier" semantics, but does no memory
+// access.
+Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr,
+                                Atomic32 old_value,
+                                Atomic32 new_value);
+Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr,
+                                Atomic32 old_value,
+                                Atomic32 new_value);
+
+void MemoryBarrier();
+void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value);
+void Acquire_Store(volatile Atomic32* ptr, Atomic32 value);
+void Release_Store(volatile Atomic32* ptr, Atomic32 value);
+
+Atomic32 NoBarrier_Load(volatile const Atomic32* ptr);
+Atomic32 Acquire_Load(volatile const Atomic32* ptr);
+Atomic32 Release_Load(volatile const Atomic32* ptr);
+
+// 64-bit atomic operations (only available on 64-bit processors).
+#ifdef GOOGLE_PROTOBUF_ARCH_64_BIT
+Atomic64 NoBarrier_CompareAndSwap(volatile Atomic64* ptr,
+                                  Atomic64 old_value,
+                                  Atomic64 new_value);
+Atomic64 NoBarrier_AtomicExchange(volatile Atomic64* ptr, Atomic64 new_value);
+Atomic64 NoBarrier_AtomicIncrement(volatile Atomic64* ptr, Atomic64 increment);
+Atomic64 Barrier_AtomicIncrement(volatile Atomic64* ptr, Atomic64 increment);
+
+Atomic64 Acquire_CompareAndSwap(volatile Atomic64* ptr,
+                                Atomic64 old_value,
+                                Atomic64 new_value);
+Atomic64 Release_CompareAndSwap(volatile Atomic64* ptr,
+                                Atomic64 old_value,
+                                Atomic64 new_value);
+void NoBarrier_Store(volatile Atomic64* ptr, Atomic64 value);
+void Acquire_Store(volatile Atomic64* ptr, Atomic64 value);
+void Release_Store(volatile Atomic64* ptr, Atomic64 value);
+Atomic64 NoBarrier_Load(volatile const Atomic64* ptr);
+Atomic64 Acquire_Load(volatile const Atomic64* ptr);
+Atomic64 Release_Load(volatile const Atomic64* ptr);
+#endif  // GOOGLE_PROTOBUF_ARCH_64_BIT
+
+}  // namespace internal
+}  // namespace protobuf
+}  // namespace google
+
+// Include our platform specific implementation.
+#define GOOGLE_PROTOBUF_ATOMICOPS_ERROR \
+#error "Atomic operations are not supported on your platform"
+
+// MSVC.
+#if defined(_MSC_VER)
+#if defined(GOOGLE_PROTOBUF_ARCH_IA32) || defined(GOOGLE_PROTOBUF_ARCH_X64)
+#include <google/protobuf/stubs/atomicops_internals_x86_msvc.h>
+#else
+GOOGLE_PROTOBUF_ATOMICOPS_ERROR
+#endif
+
+// Apple.
+#elif defined(GOOGLE_PROTOBUF_OS_APPLE)
+#include <google/protobuf/stubs/atomicops_internals_macosx.h>
+
+// GCC.
+#elif defined(__GNUC__)
+#if defined(GOOGLE_PROTOBUF_ARCH_IA32) || defined(GOOGLE_PROTOBUF_ARCH_X64)
+#include <google/protobuf/stubs/atomicops_internals_x86_gcc.h>
+#elif defined(GOOGLE_PROTOBUF_ARCH_ARM)
+#include <google/protobuf/stubs/atomicops_internals_arm_gcc.h>
+#elif defined(GOOGLE_PROTOBUF_ARCH_ARM_QNX)
+#include <google/protobuf/stubs/atomicops_internals_arm_qnx.h>
+#elif defined(GOOGLE_PROTOBUF_ARCH_MIPS)
+#include <google/protobuf/stubs/atomicops_internals_mips_gcc.h>
+#elif defined(__pnacl__)
+#include <google/protobuf/stubs/atomicops_internals_pnacl.h>
+#else
+GOOGLE_PROTOBUF_ATOMICOPS_ERROR
+#endif
+
+// Unknown.
+#else
+GOOGLE_PROTOBUF_ATOMICOPS_ERROR
+#endif
+
+// On some platforms we need additional declarations to make AtomicWord
+// compatible with our other Atomic* types.
+#if defined(GOOGLE_PROTOBUF_OS_APPLE)
+#include <google/protobuf/stubs/atomicops_internals_atomicword_compat.h>
+#endif
+
+#undef GOOGLE_PROTOBUF_ATOMICOPS_ERROR
+
+#endif  // GOOGLE_PROTOBUF_NO_THREAD_SAFETY
+
+#endif  // GOOGLE_PROTOBUF_ATOMICOPS_H_
diff --git a/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_arm_gcc.h b/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_arm_gcc.h
new file mode 100644
index 00000000..1f4dedc0
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_arm_gcc.h
@@ -0,0 +1,151 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2012 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// This file is an internal atomic implementation, use atomicops.h instead.
+//
+// LinuxKernelCmpxchg and Barrier_AtomicIncrement are from Google Gears.
+
+#ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_ARM_GCC_H_
+#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_ARM_GCC_H_
+
+namespace google {
+namespace protobuf {
+namespace internal {
+
+// 0xffff0fc0 is the hard coded address of a function provided by
+// the kernel which implements an atomic compare-exchange. On older
+// ARM architecture revisions (pre-v6) this may be implemented using
+// a syscall. This address is stable, and in active use (hard coded)
+// by at least glibc-2.7 and the Android C library.
+typedef Atomic32 (*LinuxKernelCmpxchgFunc)(Atomic32 old_value,
+                                           Atomic32 new_value,
+                                           volatile Atomic32* ptr);
+LinuxKernelCmpxchgFunc pLinuxKernelCmpxchg __attribute__((weak)) =
+    (LinuxKernelCmpxchgFunc) 0xffff0fc0;
+
+typedef void (*LinuxKernelMemoryBarrierFunc)(void);
+LinuxKernelMemoryBarrierFunc pLinuxKernelMemoryBarrier __attribute__((weak)) =
+    (LinuxKernelMemoryBarrierFunc) 0xffff0fa0;
+
+
+inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr,
+                                         Atomic32 old_value,
+                                         Atomic32 new_value) {
+  Atomic32 prev_value = *ptr;
+  do {
+    if (!pLinuxKernelCmpxchg(old_value, new_value,
+                             const_cast<Atomic32*>(ptr))) {
+      return old_value;
+    }
+    prev_value = *ptr;
+  } while (prev_value == old_value);
+  return prev_value;
+}
+
+inline Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr,
+                                         Atomic32 new_value) {
+  Atomic32 old_value;
+  do {
+    old_value = *ptr;
+  } while (pLinuxKernelCmpxchg(old_value, new_value,
+                               const_cast<Atomic32*>(ptr)));
+  return old_value;
+}
+
+inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr,
+                                          Atomic32 increment) {
+  return Barrier_AtomicIncrement(ptr, increment);
+}
+
+inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr,
+                                        Atomic32 increment) {
+  for (;;) {
+    // Atomic exchange the old value with an incremented one.
+    Atomic32 old_value = *ptr;
+    Atomic32 new_value = old_value + increment;
+    if (pLinuxKernelCmpxchg(old_value, new_value,
+                            const_cast<Atomic32*>(ptr)) == 0) {
+      // The exchange took place as expected.
+      return new_value;
+    }
+    // Otherwise, *ptr changed mid-loop and we need to retry.
+  }
+}
+
+inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr,
+                                       Atomic32 old_value,
+                                       Atomic32 new_value) {
+  return NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+}
+
+inline Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr,
+                                       Atomic32 old_value,
+                                       Atomic32 new_value) {
+  return NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+}
+
+inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) {
+  *ptr = value;
+}
+
+inline void MemoryBarrier() {
+  pLinuxKernelMemoryBarrier();
+}
+
+inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) {
+  *ptr = value;
+  MemoryBarrier();
+}
+
+inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) {
+  MemoryBarrier();
+  *ptr = value;
+}
+
+inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) {
+  return *ptr;
+}
+
+inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) {
+  Atomic32 value = *ptr;
+  MemoryBarrier();
+  return value;
+}
+
+inline Atomic32 Release_Load(volatile const Atomic32* ptr) {
+  MemoryBarrier();
+  return *ptr;
+}
+
+}  // namespace internal
+}  // namespace protobuf
+}  // namespace google
+
+#endif  // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_ARM_GCC_H_
diff --git a/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_arm_qnx.h b/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_arm_qnx.h
new file mode 100644
index 00000000..f0507697
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_arm_qnx.h
@@ -0,0 +1,146 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2012 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// This file is an internal atomic implementation, use atomicops.h instead.
+
+#ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_ARM_QNX_H_
+#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_ARM_QNX_H_
+
+// For _smp_cmpxchg()
+#include <pthread.h>
+
+namespace google {
+namespace protobuf {
+namespace internal {
+
+inline Atomic32 QNXCmpxchg(Atomic32 old_value,
+                           Atomic32 new_value,
+                           volatile Atomic32* ptr) {
+  return static_cast<Atomic32>(
+      _smp_cmpxchg((volatile unsigned *)ptr,
+                   (unsigned)old_value,
+                   (unsigned)new_value));
+}
+
+
+inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr,
+                                         Atomic32 old_value,
+                                         Atomic32 new_value) {
+  Atomic32 prev_value = *ptr;
+  do {
+    if (!QNXCmpxchg(old_value, new_value,
+                    const_cast<Atomic32*>(ptr))) {
+      return old_value;
+    }
+    prev_value = *ptr;
+  } while (prev_value == old_value);
+  return prev_value;
+}
+
+inline Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr,
+                                         Atomic32 new_value) {
+  Atomic32 old_value;
+  do {
+    old_value = *ptr;
+  } while (QNXCmpxchg(old_value, new_value,
+                      const_cast<Atomic32*>(ptr)));
+  return old_value;
+}
+
+inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr,
+                                          Atomic32 increment) {
+  return Barrier_AtomicIncrement(ptr, increment);
+}
+
+inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr,
+                                        Atomic32 increment) {
+  for (;;) {
+    // Atomic exchange the old value with an incremented one.
+    Atomic32 old_value = *ptr;
+    Atomic32 new_value = old_value + increment;
+    if (QNXCmpxchg(old_value, new_value,
+                   const_cast<Atomic32*>(ptr)) == 0) {
+      // The exchange took place as expected.
+      return new_value;
+    }
+    // Otherwise, *ptr changed mid-loop and we need to retry.
+  }
+}
+
+inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr,
+                                       Atomic32 old_value,
+                                       Atomic32 new_value) {
+  return NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+}
+
+inline Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr,
+                                       Atomic32 old_value,
+                                       Atomic32 new_value) {
+  return NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+}
+
+inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) {
+  *ptr = value;
+}
+
+inline void MemoryBarrier() {
+  __sync_synchronize();
+}
+
+inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) {
+  *ptr = value;
+  MemoryBarrier();
+}
+
+inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) {
+  MemoryBarrier();
+  *ptr = value;
+}
+
+inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) {
+  return *ptr;
+}
+
+inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) {
+  Atomic32 value = *ptr;
+  MemoryBarrier();
+  return value;
+}
+
+inline Atomic32 Release_Load(volatile const Atomic32* ptr) {
+  MemoryBarrier();
+  return *ptr;
+}
+
+}  // namespace internal
+}  // namespace protobuf
+}  // namespace google
+
+#endif  // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_ARM_QNX_H_
diff --git a/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_atomicword_compat.h b/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_atomicword_compat.h
new file mode 100644
index 00000000..e9d86797
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_atomicword_compat.h
@@ -0,0 +1,122 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2012 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// This file is an internal atomic implementation, use atomicops.h instead.
+
+#ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_ATOMICWORD_COMPAT_H_
+#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_ATOMICWORD_COMPAT_H_
+
+// AtomicWord is a synonym for intptr_t, and Atomic32 is a synonym for int32,
+// which in turn means int. On some LP32 platforms, intptr_t is an int, but
+// on others, it's a long. When AtomicWord and Atomic32 are based on different
+// fundamental types, their pointers are incompatible.
+//
+// This file defines function overloads to allow both AtomicWord and Atomic32
+// data to be used with this interface.
+//
+// On LP64 platforms, AtomicWord and Atomic64 are both always long,
+// so this problem doesn't occur.
+
+#if !defined(GOOGLE_PROTOBUF_ARCH_64_BIT)
+
+namespace google {
+namespace protobuf {
+namespace internal {
+
+inline AtomicWord NoBarrier_CompareAndSwap(volatile AtomicWord* ptr,
+                                           AtomicWord old_value,
+                                           AtomicWord new_value) {
+  return NoBarrier_CompareAndSwap(
+      reinterpret_cast<volatile Atomic32*>(ptr), old_value, new_value);
+}
+
+inline AtomicWord NoBarrier_AtomicExchange(volatile AtomicWord* ptr,
+                                           AtomicWord new_value) {
+  return NoBarrier_AtomicExchange(
+      reinterpret_cast<volatile Atomic32*>(ptr), new_value);
+}
+
+inline AtomicWord NoBarrier_AtomicIncrement(volatile AtomicWord* ptr,
+                                            AtomicWord increment) {
+  return NoBarrier_AtomicIncrement(
+      reinterpret_cast<volatile Atomic32*>(ptr), increment);
+}
+
+inline AtomicWord Barrier_AtomicIncrement(volatile AtomicWord* ptr,
+                                          AtomicWord increment) {
+  return Barrier_AtomicIncrement(
+      reinterpret_cast<volatile Atomic32*>(ptr), increment);
+}
+
+inline AtomicWord Acquire_CompareAndSwap(volatile AtomicWord* ptr,
+                                         AtomicWord old_value,
+                                         AtomicWord new_value) {
+  return Acquire_CompareAndSwap(
+      reinterpret_cast<volatile Atomic32*>(ptr), old_value, new_value);
+}
+
+inline AtomicWord Release_CompareAndSwap(volatile AtomicWord* ptr,
+                                         AtomicWord old_value,
+                                         AtomicWord new_value) {
+  return Release_CompareAndSwap(
+      reinterpret_cast<volatile Atomic32*>(ptr), old_value, new_value);
+}
+
+inline void NoBarrier_Store(volatile AtomicWord *ptr, AtomicWord value) {
+  NoBarrier_Store(reinterpret_cast<volatile Atomic32*>(ptr), value);
+}
+
+inline void Acquire_Store(volatile AtomicWord* ptr, AtomicWord value) {
+  return Acquire_Store(reinterpret_cast<volatile Atomic32*>(ptr), value);
+}
+
+inline void Release_Store(volatile AtomicWord* ptr, AtomicWord value) {
+  return Release_Store(reinterpret_cast<volatile Atomic32*>(ptr), value);
+}
+
+inline AtomicWord NoBarrier_Load(volatile const AtomicWord *ptr) {
+  return NoBarrier_Load(reinterpret_cast<volatile const Atomic32*>(ptr));
+}
+
+inline AtomicWord Acquire_Load(volatile const AtomicWord* ptr) {
+  return Acquire_Load(reinterpret_cast<volatile const Atomic32*>(ptr));
+}
+
+inline AtomicWord Release_Load(volatile const AtomicWord* ptr) {
+  return Release_Load(reinterpret_cast<volatile const Atomic32*>(ptr));
+}
+
+}   // namespace internal
+}   // namespace protobuf
+}   // namespace google
+
+#endif  // !defined(GOOGLE_PROTOBUF_ARCH_64_BIT)
+
+#endif  // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_ATOMICWORD_COMPAT_H_
diff --git a/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_macosx.h b/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_macosx.h
new file mode 100644
index 00000000..f9b7581a
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_macosx.h
@@ -0,0 +1,225 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2012 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// This file is an internal atomic implementation, use atomicops.h instead.
+
+#ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_MACOSX_H_
+#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_MACOSX_H_
+
+#include <libkern/OSAtomic.h>
+
+namespace google {
+namespace protobuf {
+namespace internal {
+
+inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr,
+                                         Atomic32 old_value,
+                                         Atomic32 new_value) {
+  Atomic32 prev_value;
+  do {
+    if (OSAtomicCompareAndSwap32(old_value, new_value,
+                                 const_cast<Atomic32*>(ptr))) {
+      return old_value;
+    }
+    prev_value = *ptr;
+  } while (prev_value == old_value);
+  return prev_value;
+}
+
+inline Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr,
+                                         Atomic32 new_value) {
+  Atomic32 old_value;
+  do {
+    old_value = *ptr;
+  } while (!OSAtomicCompareAndSwap32(old_value, new_value,
+                                     const_cast<Atomic32*>(ptr)));
+  return old_value;
+}
+
+inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr,
+                                          Atomic32 increment) {
+  return OSAtomicAdd32(increment, const_cast<Atomic32*>(ptr));
+}
+
+inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr,
+                                          Atomic32 increment) {
+  return OSAtomicAdd32Barrier(increment, const_cast<Atomic32*>(ptr));
+}
+
+inline void MemoryBarrier() {
+  OSMemoryBarrier();
+}
+
+inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr,
+                                       Atomic32 old_value,
+                                       Atomic32 new_value) {
+  Atomic32 prev_value;
+  do {
+    if (OSAtomicCompareAndSwap32Barrier(old_value, new_value,
+                                        const_cast<Atomic32*>(ptr))) {
+      return old_value;
+    }
+    prev_value = *ptr;
+  } while (prev_value == old_value);
+  return prev_value;
+}
+
+inline Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr,
+                                       Atomic32 old_value,
+                                       Atomic32 new_value) {
+  return Acquire_CompareAndSwap(ptr, old_value, new_value);
+}
+
+inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) {
+  *ptr = value;
+}
+
+inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) {
+  *ptr = value;
+  MemoryBarrier();
+}
+
+inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) {
+  MemoryBarrier();
+  *ptr = value;
+}
+
+inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) {
+  return *ptr;
+}
+
+inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) {
+  Atomic32 value = *ptr;
+  MemoryBarrier();
+  return value;
+}
+
+inline Atomic32 Release_Load(volatile const Atomic32* ptr) {
+  MemoryBarrier();
+  return *ptr;
+}
+
+#ifdef __LP64__
+
+// 64-bit implementation on 64-bit platform
+
+inline Atomic64 NoBarrier_CompareAndSwap(volatile Atomic64* ptr,
+                                         Atomic64 old_value,
+                                         Atomic64 new_value) {
+  Atomic64 prev_value;
+  do {
+    if (OSAtomicCompareAndSwap64(old_value, new_value,
+                                 reinterpret_cast<volatile int64_t*>(ptr))) {
+      return old_value;
+    }
+    prev_value = *ptr;
+  } while (prev_value == old_value);
+  return prev_value;
+}
+
+inline Atomic64 NoBarrier_AtomicExchange(volatile Atomic64* ptr,
+                                         Atomic64 new_value) {
+  Atomic64 old_value;
+  do {
+    old_value = *ptr;
+  } while (!OSAtomicCompareAndSwap64(old_value, new_value,
+                                     reinterpret_cast<volatile int64_t*>(ptr)));
+  return old_value;
+}
+
+inline Atomic64 NoBarrier_AtomicIncrement(volatile Atomic64* ptr,
+                                          Atomic64 increment) {
+  return OSAtomicAdd64(increment, reinterpret_cast<volatile int64_t*>(ptr));
+}
+
+inline Atomic64 Barrier_AtomicIncrement(volatile Atomic64* ptr,
+                                        Atomic64 increment) {
+  return OSAtomicAdd64Barrier(increment,
+                              reinterpret_cast<volatile int64_t*>(ptr));
+}
+
+inline Atomic64 Acquire_CompareAndSwap(volatile Atomic64* ptr,
+                                       Atomic64 old_value,
+                                       Atomic64 new_value) {
+  Atomic64 prev_value;
+  do {
+    if (OSAtomicCompareAndSwap64Barrier(
+        old_value, new_value, reinterpret_cast<volatile int64_t*>(ptr))) {
+      return old_value;
+    }
+    prev_value = *ptr;
+  } while (prev_value == old_value);
+  return prev_value;
+}
+
+inline Atomic64 Release_CompareAndSwap(volatile Atomic64* ptr,
+                                       Atomic64 old_value,
+                                       Atomic64 new_value) {
+  // The lib kern interface does not distinguish between
+  // Acquire and Release memory barriers; they are equivalent.
+  return Acquire_CompareAndSwap(ptr, old_value, new_value);
+}
+
+inline void NoBarrier_Store(volatile Atomic64* ptr, Atomic64 value) {
+  *ptr = value;
+}
+
+inline void Acquire_Store(volatile Atomic64* ptr, Atomic64 value) {
+  *ptr = value;
+  MemoryBarrier();
+}
+
+inline void Release_Store(volatile Atomic64* ptr, Atomic64 value) {
+  MemoryBarrier();
+  *ptr = value;
+}
+
+inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptr) {
+  return *ptr;
+}
+
+inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) {
+  Atomic64 value = *ptr;
+  MemoryBarrier();
+  return value;
+}
+
+inline Atomic64 Release_Load(volatile const Atomic64* ptr) {
+  MemoryBarrier();
+  return *ptr;
+}
+
+#endif  // defined(__LP64__)
+
+}  // namespace internal
+}  // namespace protobuf
+}  // namespace google
+
+#endif  // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_MACOSX_H_
diff --git a/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_mips_gcc.h b/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_mips_gcc.h
new file mode 100644
index 00000000..dc468517
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_mips_gcc.h
@@ -0,0 +1,187 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2012 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// This file is an internal atomic implementation, use atomicops.h instead.
+
+#ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_MIPS_GCC_H_
+#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_MIPS_GCC_H_
+
+#define ATOMICOPS_COMPILER_BARRIER() __asm__ __volatile__("" : : : "memory")
+
+namespace google {
+namespace protobuf {
+namespace internal {
+
+// Atomically execute:
+//      result = *ptr;
+//      if (*ptr == old_value)
+//        *ptr = new_value;
+//      return result;
+//
+// I.e., replace "*ptr" with "new_value" if "*ptr" used to be "old_value".
+// Always return the old value of "*ptr"
+//
+// This routine implies no memory barriers.
+inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr,
+                                         Atomic32 old_value,
+                                         Atomic32 new_value) {
+  Atomic32 prev, tmp;
+  __asm__ __volatile__(".set push\n"
+                       ".set noreorder\n"
+                       "1:\n"
+                       "ll %0, %5\n"  // prev = *ptr
+                       "bne %0, %3, 2f\n"  // if (prev != old_value) goto 2
+                       "move %2, %4\n"  // tmp = new_value
+                       "sc %2, %1\n"  // *ptr = tmp (with atomic check)
+                       "beqz %2, 1b\n"  // start again on atomic error
+                       "nop\n"  // delay slot nop
+                       "2:\n"
+                       ".set pop\n"
+                       : "=&r" (prev), "=m" (*ptr), "=&r" (tmp)
+                       : "Ir" (old_value), "r" (new_value), "m" (*ptr)
+                       : "memory");
+  return prev;
+}
+
+// Atomically store new_value into *ptr, returning the previous value held in
+// *ptr.  This routine implies no memory barriers.
+inline Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr,
+                                         Atomic32 new_value) {
+  Atomic32 temp, old;
+  __asm__ __volatile__(".set push\n"
+                       ".set noreorder\n"
+                       "1:\n"
+                       "ll %1, %2\n"  // old = *ptr
+                       "move %0, %3\n"  // temp = new_value
+                       "sc %0, %2\n"  // *ptr = temp (with atomic check)
+                       "beqz %0, 1b\n"  // start again on atomic error
+                       "nop\n"  // delay slot nop
+                       ".set pop\n"
+                       : "=&r" (temp), "=&r" (old), "=m" (*ptr)
+                       : "r" (new_value), "m" (*ptr)
+                       : "memory");
+
+  return old;
+}
+
+// Atomically increment *ptr by "increment".  Returns the new value of
+// *ptr with the increment applied.  This routine implies no memory barriers.
+inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr,
+                                          Atomic32 increment) {
+  Atomic32 temp, temp2;
+
+  __asm__ __volatile__(".set push\n"
+                       ".set noreorder\n"
+                       "1:\n"
+                       "ll %0, %2\n"  // temp = *ptr
+                       "addu %1, %0, %3\n"  // temp2 = temp + increment
+                       "sc %1, %2\n"  // *ptr = temp2 (with atomic check)
+                       "beqz %1, 1b\n"  // start again on atomic error
+                       "addu %1, %0, %3\n"  // temp2 = temp + increment
+                       ".set pop\n"
+                       : "=&r" (temp), "=&r" (temp2), "=m" (*ptr)
+                       : "Ir" (increment), "m" (*ptr)
+                       : "memory");
+  // temp2 now holds the final value.
+  return temp2;
+}
+
+inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr,
+                                        Atomic32 increment) {
+  ATOMICOPS_COMPILER_BARRIER();
+  Atomic32 res = NoBarrier_AtomicIncrement(ptr, increment);
+  ATOMICOPS_COMPILER_BARRIER();
+  return res;
+}
+
+// "Acquire" operations
+// ensure that no later memory access can be reordered ahead of the operation.
+// "Release" operations ensure that no previous memory access can be reordered
+// after the operation.  "Barrier" operations have both "Acquire" and "Release"
+// semantics.   A MemoryBarrier() has "Barrier" semantics, but does no memory
+// access.
+inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr,
+                                       Atomic32 old_value,
+                                       Atomic32 new_value) {
+  ATOMICOPS_COMPILER_BARRIER();
+  Atomic32 res = NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+  ATOMICOPS_COMPILER_BARRIER();
+  return res;
+}
+
+inline Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr,
+                                       Atomic32 old_value,
+                                       Atomic32 new_value) {
+  ATOMICOPS_COMPILER_BARRIER();
+  Atomic32 res = NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+  ATOMICOPS_COMPILER_BARRIER();
+  return res;
+}
+
+inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) {
+  *ptr = value;
+}
+
+inline void MemoryBarrier() {
+  __asm__ __volatile__("sync" : : : "memory");
+}
+
+inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) {
+  *ptr = value;
+  MemoryBarrier();
+}
+
+inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) {
+  MemoryBarrier();
+  *ptr = value;
+}
+
+inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) {
+  return *ptr;
+}
+
+inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) {
+  Atomic32 value = *ptr;
+  MemoryBarrier();
+  return value;
+}
+
+inline Atomic32 Release_Load(volatile const Atomic32* ptr) {
+  MemoryBarrier();
+  return *ptr;
+}
+
+}  // namespace internal
+}  // namespace protobuf
+}  // namespace google
+
+#undef ATOMICOPS_COMPILER_BARRIER
+
+#endif  // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_MIPS_GCC_H_
diff --git a/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_pnacl.h b/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_pnacl.h
new file mode 100644
index 00000000..04a91a83
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_pnacl.h
@@ -0,0 +1,73 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2012 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// This file is an internal atomic implementation, use atomicops.h instead.
+
+#ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_PNACL_H_
+#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_PNACL_H_
+
+namespace google {
+namespace protobuf {
+namespace internal {
+
+inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr,
+                                         Atomic32 old_value,
+                                         Atomic32 new_value) {
+  return __sync_val_compare_and_swap(ptr, old_value, new_value);
+}
+
+inline void MemoryBarrier() {
+  __sync_synchronize();
+}
+
+inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr,
+                                       Atomic32 old_value,
+                                       Atomic32 new_value) {
+  Atomic32 ret = NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+  MemoryBarrier();
+  return ret;
+}
+
+inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) {
+  MemoryBarrier();
+  *ptr = value;
+}
+
+inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) {
+  Atomic32 value = *ptr;
+  MemoryBarrier();
+  return value;
+}
+
+}  // namespace internal
+}  // namespace protobuf
+}  // namespace google
+
+#endif  // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_PNACL_H_
diff --git a/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_x86_gcc.cc b/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_x86_gcc.cc
new file mode 100644
index 00000000..07748723
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_x86_gcc.cc
@@ -0,0 +1,137 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2012 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// This module gets enough CPU information to optimize the
+// atomicops module on x86.
+
+#include <cstring>
+
+#include <google/protobuf/stubs/atomicops.h>
+
+// This file only makes sense with atomicops_internals_x86_gcc.h -- it
+// depends on structs that are defined in that file.  If atomicops.h
+// doesn't sub-include that file, then we aren't needed, and shouldn't
+// try to do anything.
+#ifdef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_X86_GCC_H_
+
+// Inline cpuid instruction.  In PIC compilations, %ebx contains the address
+// of the global offset table.  To avoid breaking such executables, this code
+// must preserve that register's value across cpuid instructions.
+#if defined(__i386__)
+#define cpuid(a, b, c, d, inp) \
+  asm("mov %%ebx, %%edi\n"     \
+      "cpuid\n"                \
+      "xchg %%edi, %%ebx\n"    \
+      : "=a" (a), "=D" (b), "=c" (c), "=d" (d) : "a" (inp))
+#elif defined(__x86_64__)
+#define cpuid(a, b, c, d, inp) \
+  asm("mov %%rbx, %%rdi\n"     \
+      "cpuid\n"                \
+      "xchg %%rdi, %%rbx\n"    \
+      : "=a" (a), "=D" (b), "=c" (c), "=d" (d) : "a" (inp))
+#endif
+
+#if defined(cpuid)        // initialize the struct only on x86
+
+namespace google {
+namespace protobuf {
+namespace internal {
+
+// Set the flags so that code will run correctly and conservatively, so even
+// if we haven't been initialized yet, we're probably single threaded, and our
+// default values should hopefully be pretty safe.
+struct AtomicOps_x86CPUFeatureStruct AtomicOps_Internalx86CPUFeatures = {
+  false,          // bug can't exist before process spawns multiple threads
+  false,          // no SSE2
+};
+
+namespace {
+
+// Initialize the AtomicOps_Internalx86CPUFeatures struct.
+void AtomicOps_Internalx86CPUFeaturesInit() {
+  uint32_t eax;
+  uint32_t ebx;
+  uint32_t ecx;
+  uint32_t edx;
+
+  // Get vendor string (issue CPUID with eax = 0)
+  cpuid(eax, ebx, ecx, edx, 0);
+  char vendor[13];
+  memcpy(vendor, &ebx, 4);
+  memcpy(vendor + 4, &edx, 4);
+  memcpy(vendor + 8, &ecx, 4);
+  vendor[12] = 0;
+
+  // get feature flags in ecx/edx, and family/model in eax
+  cpuid(eax, ebx, ecx, edx, 1);
+
+  int family = (eax >> 8) & 0xf;        // family and model fields
+  int model = (eax >> 4) & 0xf;
+  if (family == 0xf) {                  // use extended family and model fields
+    family += (eax >> 20) & 0xff;
+    model += ((eax >> 16) & 0xf) << 4;
+  }
+
+  // Opteron Rev E has a bug in which on very rare occasions a locked
+  // instruction doesn't act as a read-acquire barrier if followed by a
+  // non-locked read-modify-write instruction.  Rev F has this bug in
+  // pre-release versions, but not in versions released to customers,
+  // so we test only for Rev E, which is family 15, model 32..63 inclusive.
+  if (strcmp(vendor, "AuthenticAMD") == 0 &&       // AMD
+      family == 15 &&
+      32 <= model && model <= 63) {
+    AtomicOps_Internalx86CPUFeatures.has_amd_lock_mb_bug = true;
+  } else {
+    AtomicOps_Internalx86CPUFeatures.has_amd_lock_mb_bug = false;
+  }
+
+  // edx bit 26 is SSE2 which we use to tell use whether we can use mfence
+  AtomicOps_Internalx86CPUFeatures.has_sse2 = ((edx >> 26) & 1);
+}
+
+class AtomicOpsx86Initializer {
+ public:
+  AtomicOpsx86Initializer() {
+    AtomicOps_Internalx86CPUFeaturesInit();
+  }
+};
+
+// A global to get use initialized on startup via static initialization :/
+AtomicOpsx86Initializer g_initer;
+
+}  // namespace
+
+}  // namespace internal
+}  // namespace protobuf
+}  // namespace google
+
+#endif  // __i386__
+
+#endif  // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_X86_GCC_H_
diff --git a/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_x86_gcc.h b/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_x86_gcc.h
new file mode 100644
index 00000000..5324dfbc
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_x86_gcc.h
@@ -0,0 +1,293 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2012 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// This file is an internal atomic implementation, use atomicops.h instead.
+
+#ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_X86_GCC_H_
+#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_X86_GCC_H_
+
+namespace google {
+namespace protobuf {
+namespace internal {
+
+// This struct is not part of the public API of this module; clients may not
+// use it.
+// Features of this x86.  Values may not be correct before main() is run,
+// but are set conservatively.
+struct AtomicOps_x86CPUFeatureStruct {
+  bool has_amd_lock_mb_bug;  // Processor has AMD memory-barrier bug; do lfence
+                             // after acquire compare-and-swap.
+  bool has_sse2;             // Processor has SSE2.
+};
+extern struct AtomicOps_x86CPUFeatureStruct AtomicOps_Internalx86CPUFeatures;
+
+#define ATOMICOPS_COMPILER_BARRIER() __asm__ __volatile__("" : : : "memory")
+
+// 32-bit low-level operations on any platform.
+
+inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr,
+                                         Atomic32 old_value,
+                                         Atomic32 new_value) {
+  Atomic32 prev;
+  __asm__ __volatile__("lock; cmpxchgl %1,%2"
+                       : "=a" (prev)
+                       : "q" (new_value), "m" (*ptr), "0" (old_value)
+                       : "memory");
+  return prev;
+}
+
+inline Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr,
+                                         Atomic32 new_value) {
+  __asm__ __volatile__("xchgl %1,%0"  // The lock prefix is implicit for xchg.
+                       : "=r" (new_value)
+                       : "m" (*ptr), "0" (new_value)
+                       : "memory");
+  return new_value;  // Now it's the previous value.
+}
+
+inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr,
+                                          Atomic32 increment) {
+  Atomic32 temp = increment;
+  __asm__ __volatile__("lock; xaddl %0,%1"
+                       : "+r" (temp), "+m" (*ptr)
+                       : : "memory");
+  // temp now holds the old value of *ptr
+  return temp + increment;
+}
+
+inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr,
+                                        Atomic32 increment) {
+  Atomic32 temp = increment;
+  __asm__ __volatile__("lock; xaddl %0,%1"
+                       : "+r" (temp), "+m" (*ptr)
+                       : : "memory");
+  // temp now holds the old value of *ptr
+  if (AtomicOps_Internalx86CPUFeatures.has_amd_lock_mb_bug) {
+    __asm__ __volatile__("lfence" : : : "memory");
+  }
+  return temp + increment;
+}
+
+inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr,
+                                       Atomic32 old_value,
+                                       Atomic32 new_value) {
+  Atomic32 x = NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+  if (AtomicOps_Internalx86CPUFeatures.has_amd_lock_mb_bug) {
+    __asm__ __volatile__("lfence" : : : "memory");
+  }
+  return x;
+}
+
+inline Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr,
+                                       Atomic32 old_value,
+                                       Atomic32 new_value) {
+  return NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+}
+
+inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) {
+  *ptr = value;
+}
+
+#if defined(__x86_64__)
+
+// 64-bit implementations of memory barrier can be simpler, because it
+// "mfence" is guaranteed to exist.
+inline void MemoryBarrier() {
+  __asm__ __volatile__("mfence" : : : "memory");
+}
+
+inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) {
+  *ptr = value;
+  MemoryBarrier();
+}
+
+#else
+
+inline void MemoryBarrier() {
+  if (AtomicOps_Internalx86CPUFeatures.has_sse2) {
+    __asm__ __volatile__("mfence" : : : "memory");
+  } else {  // mfence is faster but not present on PIII
+    Atomic32 x = 0;
+    NoBarrier_AtomicExchange(&x, 0);  // acts as a barrier on PIII
+  }
+}
+
+inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) {
+  if (AtomicOps_Internalx86CPUFeatures.has_sse2) {
+    *ptr = value;
+    __asm__ __volatile__("mfence" : : : "memory");
+  } else {
+    NoBarrier_AtomicExchange(ptr, value);
+                          // acts as a barrier on PIII
+  }
+}
+#endif
+
+inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) {
+  ATOMICOPS_COMPILER_BARRIER();
+  *ptr = value;  // An x86 store acts as a release barrier.
+  // See comments in Atomic64 version of Release_Store(), below.
+}
+
+inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) {
+  return *ptr;
+}
+
+inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) {
+  Atomic32 value = *ptr;  // An x86 load acts as a acquire barrier.
+  // See comments in Atomic64 version of Release_Store(), below.
+  ATOMICOPS_COMPILER_BARRIER();
+  return value;
+}
+
+inline Atomic32 Release_Load(volatile const Atomic32* ptr) {
+  MemoryBarrier();
+  return *ptr;
+}
+
+#if defined(__x86_64__)
+
+// 64-bit low-level operations on 64-bit platform.
+
+inline Atomic64 NoBarrier_CompareAndSwap(volatile Atomic64* ptr,
+                                         Atomic64 old_value,
+                                         Atomic64 new_value) {
+  Atomic64 prev;
+  __asm__ __volatile__("lock; cmpxchgq %1,%2"
+                       : "=a" (prev)
+                       : "q" (new_value), "m" (*ptr), "0" (old_value)
+                       : "memory");
+  return prev;
+}
+
+inline Atomic64 NoBarrier_AtomicExchange(volatile Atomic64* ptr,
+                                         Atomic64 new_value) {
+  __asm__ __volatile__("xchgq %1,%0"  // The lock prefix is implicit for xchg.
+                       : "=r" (new_value)
+                       : "m" (*ptr), "0" (new_value)
+                       : "memory");
+  return new_value;  // Now it's the previous value.
+}
+
+inline Atomic64 NoBarrier_AtomicIncrement(volatile Atomic64* ptr,
+                                          Atomic64 increment) {
+  Atomic64 temp = increment;
+  __asm__ __volatile__("lock; xaddq %0,%1"
+                       : "+r" (temp), "+m" (*ptr)
+                       : : "memory");
+  // temp now contains the previous value of *ptr
+  return temp + increment;
+}
+
+inline Atomic64 Barrier_AtomicIncrement(volatile Atomic64* ptr,
+                                        Atomic64 increment) {
+  Atomic64 temp = increment;
+  __asm__ __volatile__("lock; xaddq %0,%1"
+                       : "+r" (temp), "+m" (*ptr)
+                       : : "memory");
+  // temp now contains the previous value of *ptr
+  if (AtomicOps_Internalx86CPUFeatures.has_amd_lock_mb_bug) {
+    __asm__ __volatile__("lfence" : : : "memory");
+  }
+  return temp + increment;
+}
+
+inline void NoBarrier_Store(volatile Atomic64* ptr, Atomic64 value) {
+  *ptr = value;
+}
+
+inline void Acquire_Store(volatile Atomic64* ptr, Atomic64 value) {
+  *ptr = value;
+  MemoryBarrier();
+}
+
+inline void Release_Store(volatile Atomic64* ptr, Atomic64 value) {
+  ATOMICOPS_COMPILER_BARRIER();
+
+  *ptr = value;  // An x86 store acts as a release barrier
+                 // for current AMD/Intel chips as of Jan 2008.
+                 // See also Acquire_Load(), below.
+
+  // When new chips come out, check:
+  //  IA-32 Intel Architecture Software Developer's Manual, Volume 3:
+  //  System Programming Guide, Chatper 7: Multiple-processor management,
+  //  Section 7.2, Memory Ordering.
+  // Last seen at:
+  //   http://developer.intel.com/design/pentium4/manuals/index_new.htm
+  //
+  // x86 stores/loads fail to act as barriers for a few instructions (clflush
+  // maskmovdqu maskmovq movntdq movnti movntpd movntps movntq) but these are
+  // not generated by the compiler, and are rare.  Users of these instructions
+  // need to know about cache behaviour in any case since all of these involve
+  // either flushing cache lines or non-temporal cache hints.
+}
+
+inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptr) {
+  return *ptr;
+}
+
+inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) {
+  Atomic64 value = *ptr;  // An x86 load acts as a acquire barrier,
+                          // for current AMD/Intel chips as of Jan 2008.
+                          // See also Release_Store(), above.
+  ATOMICOPS_COMPILER_BARRIER();
+  return value;
+}
+
+inline Atomic64 Release_Load(volatile const Atomic64* ptr) {
+  MemoryBarrier();
+  return *ptr;
+}
+
+inline Atomic64 Acquire_CompareAndSwap(volatile Atomic64* ptr,
+                                       Atomic64 old_value,
+                                       Atomic64 new_value) {
+  Atomic64 x = NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+  if (AtomicOps_Internalx86CPUFeatures.has_amd_lock_mb_bug) {
+    __asm__ __volatile__("lfence" : : : "memory");
+  }
+  return x;
+}
+
+inline Atomic64 Release_CompareAndSwap(volatile Atomic64* ptr,
+                                       Atomic64 old_value,
+                                       Atomic64 new_value) {
+  return NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+}
+
+#endif  // defined(__x86_64__)
+
+}  // namespace internal
+}  // namespace protobuf
+}  // namespace google
+
+#undef ATOMICOPS_COMPILER_BARRIER
+
+#endif  // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_X86_GCC_H_
diff --git a/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_x86_msvc.cc b/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_x86_msvc.cc
new file mode 100644
index 00000000..0b359796
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_x86_msvc.cc
@@ -0,0 +1,112 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2012 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// The compilation of extension_set.cc fails when windows.h is included.
+// Therefore we move the code depending on windows.h to this separate cc file.
+
+// Don't compile this file for people not concerned about thread safety.
+#ifndef GOOGLE_PROTOBUF_NO_THREAD_SAFETY
+
+#include <google/protobuf/stubs/atomicops.h>
+
+#ifdef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_X86_MSVC_H_
+
+#include <windows.h>
+
+namespace google {
+namespace protobuf {
+namespace internal {
+
+inline void MemoryBarrier() {
+  // We use MemoryBarrier from WinNT.h
+  ::MemoryBarrier();
+}
+
+Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr,
+                                  Atomic32 old_value,
+                                  Atomic32 new_value) {
+  LONG result = InterlockedCompareExchange(
+      reinterpret_cast<volatile LONG*>(ptr),
+      static_cast<LONG>(new_value),
+      static_cast<LONG>(old_value));
+  return static_cast<Atomic32>(result);
+}
+
+Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr,
+                                  Atomic32 new_value) {
+  LONG result = InterlockedExchange(
+      reinterpret_cast<volatile LONG*>(ptr),
+      static_cast<LONG>(new_value));
+  return static_cast<Atomic32>(result);
+}
+
+Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr,
+                                 Atomic32 increment) {
+  return InterlockedExchangeAdd(
+      reinterpret_cast<volatile LONG*>(ptr),
+      static_cast<LONG>(increment)) + increment;
+}
+
+#if defined(_WIN64)
+
+// 64-bit low-level operations on 64-bit platform.
+
+Atomic64 NoBarrier_CompareAndSwap(volatile Atomic64* ptr,
+                                  Atomic64 old_value,
+                                  Atomic64 new_value) {
+  PVOID result = InterlockedCompareExchangePointer(
+    reinterpret_cast<volatile PVOID*>(ptr),
+    reinterpret_cast<PVOID>(new_value), reinterpret_cast<PVOID>(old_value));
+  return reinterpret_cast<Atomic64>(result);
+}
+
+Atomic64 NoBarrier_AtomicExchange(volatile Atomic64* ptr,
+                                  Atomic64 new_value) {
+  PVOID result = InterlockedExchangePointer(
+    reinterpret_cast<volatile PVOID*>(ptr),
+    reinterpret_cast<PVOID>(new_value));
+  return reinterpret_cast<Atomic64>(result);
+}
+
+Atomic64 Barrier_AtomicIncrement(volatile Atomic64* ptr,
+                                 Atomic64 increment) {
+  return InterlockedExchangeAdd64(
+      reinterpret_cast<volatile LONGLONG*>(ptr),
+      static_cast<LONGLONG>(increment)) + increment;
+}
+
+#endif  // defined(_WIN64)
+
+}  // namespace internal
+}  // namespace protobuf
+}  // namespace google
+
+#endif  // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_X86_MSVC_H_
+#endif  // GOOGLE_PROTOBUF_NO_THREAD_SAFETY
diff --git a/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_x86_msvc.h b/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_x86_msvc.h
new file mode 100644
index 00000000..6f9869d1
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/atomicops_internals_x86_msvc.h
@@ -0,0 +1,150 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2012 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// This file is an internal atomic implementation, use atomicops.h instead.
+
+#ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_X86_MSVC_H_
+#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_X86_MSVC_H_
+
+namespace google {
+namespace protobuf {
+namespace internal {
+
+inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr,
+                                          Atomic32 increment) {
+  return Barrier_AtomicIncrement(ptr, increment);
+}
+
+#if !(defined(_MSC_VER) && _MSC_VER >= 1400)
+#error "We require at least vs2005 for MemoryBarrier"
+#endif
+
+inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr,
+                                       Atomic32 old_value,
+                                       Atomic32 new_value) {
+  return NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+}
+
+inline Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr,
+                                       Atomic32 old_value,
+                                       Atomic32 new_value) {
+  return NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+}
+
+inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) {
+  *ptr = value;
+}
+
+inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) {
+  NoBarrier_AtomicExchange(ptr, value);
+              // acts as a barrier in this implementation
+}
+
+inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) {
+  *ptr = value;  // works w/o barrier for current Intel chips as of June 2005
+  // See comments in Atomic64 version of Release_Store() below.
+}
+
+inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) {
+  return *ptr;
+}
+
+inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) {
+  Atomic32 value = *ptr;
+  return value;
+}
+
+inline Atomic32 Release_Load(volatile const Atomic32* ptr) {
+  MemoryBarrier();
+  return *ptr;
+}
+
+#if defined(_WIN64)
+
+// 64-bit low-level operations on 64-bit platform.
+
+inline Atomic64 NoBarrier_AtomicIncrement(volatile Atomic64* ptr,
+                                          Atomic64 increment) {
+  return Barrier_AtomicIncrement(ptr, increment);
+}
+
+inline void NoBarrier_Store(volatile Atomic64* ptr, Atomic64 value) {
+  *ptr = value;
+}
+
+inline void Acquire_Store(volatile Atomic64* ptr, Atomic64 value) {
+  NoBarrier_AtomicExchange(ptr, value);
+              // acts as a barrier in this implementation
+}
+
+inline void Release_Store(volatile Atomic64* ptr, Atomic64 value) {
+  *ptr = value;  // works w/o barrier for current Intel chips as of June 2005
+
+  // When new chips come out, check:
+  //  IA-32 Intel Architecture Software Developer's Manual, Volume 3:
+  //  System Programming Guide, Chatper 7: Multiple-processor management,
+  //  Section 7.2, Memory Ordering.
+  // Last seen at:
+  //   http://developer.intel.com/design/pentium4/manuals/index_new.htm
+}
+
+inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptr) {
+  return *ptr;
+}
+
+inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) {
+  Atomic64 value = *ptr;
+  return value;
+}
+
+inline Atomic64 Release_Load(volatile const Atomic64* ptr) {
+  MemoryBarrier();
+  return *ptr;
+}
+
+inline Atomic64 Acquire_CompareAndSwap(volatile Atomic64* ptr,
+                                       Atomic64 old_value,
+                                       Atomic64 new_value) {
+  return NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+}
+
+inline Atomic64 Release_CompareAndSwap(volatile Atomic64* ptr,
+                                       Atomic64 old_value,
+                                       Atomic64 new_value) {
+  return NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+}
+
+#endif  // defined(_WIN64)
+
+}  // namespace internal
+}  // namespace protobuf
+}  // namespace google
+
+#endif  // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_X86_MSVC_H_
diff --git a/common/protobuf-2.3.0/src/google/protobuf/stubs/common.cc b/common/protobuf-2.5.0/src/google/protobuf/stubs/common.cc
similarity index 91%
rename from common/protobuf-2.3.0/src/google/protobuf/stubs/common.cc
rename to common/protobuf-2.5.0/src/google/protobuf/stubs/common.cc
index 1e2d68d2..e6045026 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/stubs/common.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/common.cc
@@ -110,7 +110,7 @@ void DefaultLogHandler(LogLevel level, const char* filename, int line,
 
   // We use fprintf() instead of cerr because we want this to work at static
   // initialization time.
-  fprintf(stderr, "libprotobuf %s %s:%d] %s\n",
+  fprintf(stderr, "[libprotobuf %s %s:%d] %s\n",
           level_names[level], filename, line, message.c_str());
   fflush(stderr);  // Needed on MSVC.
 }
@@ -183,15 +183,19 @@ void LogMessage::Finish() {
   if (level_ != LOGLEVEL_FATAL) {
     InitLogSilencerCountOnce();
     MutexLock lock(log_silencer_count_mutex_);
-    suppress = internal::log_silencer_count_ > 0;
+    suppress = log_silencer_count_ > 0;
   }
 
   if (!suppress) {
-    internal::log_handler_(level_, filename_, line_, message_);
+    log_handler_(level_, filename_, line_, message_);
   }
 
   if (level_ == LOGLEVEL_FATAL) {
+#if PROTOBUF_USE_EXCEPTIONS
+    throw FatalException(filename_, line_, message_);
+#else
     abort();
+#endif
   }
 }
 
@@ -315,6 +319,24 @@ void Mutex::AssertHeld() {
 
 #endif
 
+// ===================================================================
+// emulates google3/util/endian/endian.h
+//
+// TODO(xiaofeng): PROTOBUF_LITTLE_ENDIAN is unfortunately defined in
+// google/protobuf/io/coded_stream.h and therefore can not be used here.
+// Maybe move that macro definition here in the furture.
+uint32 ghtonl(uint32 x) {
+  union {
+    uint32 result;
+    uint8 result_array[4];
+  };
+  result_array[0] = static_cast<uint8>(x >> 24);
+  result_array[1] = static_cast<uint8>((x >> 16) & 0xFF);
+  result_array[2] = static_cast<uint8>((x >> 8) & 0xFF);
+  result_array[3] = static_cast<uint8>(x & 0xFF);
+  return result;
+}
+
 // ===================================================================
 // Shutdown support.
 
@@ -361,5 +383,13 @@ void ShutdownProtobufLibrary() {
   internal::shutdown_functions_mutex = NULL;
 }
 
+#if PROTOBUF_USE_EXCEPTIONS
+FatalException::~FatalException() throw() {}
+
+const char* FatalException::what() const throw() {
+  return message_.c_str();
+}
+#endif
+
 }  // namespace protobuf
 }  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/stubs/common.h b/common/protobuf-2.5.0/src/google/protobuf/stubs/common.h
similarity index 92%
rename from common/protobuf-2.3.0/src/google/protobuf/stubs/common.h
rename to common/protobuf-2.5.0/src/google/protobuf/stubs/common.h
index 71335a3e..f287ddfb 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/stubs/common.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/common.h
@@ -37,7 +37,6 @@
 
 #include <assert.h>
 #include <stdlib.h>
-#include <algorithm>
 #include <cstddef>
 #include <string>
 #include <string.h>
@@ -49,13 +48,43 @@
 #include <stdint.h>
 #endif
 
+#ifndef PROTOBUF_USE_EXCEPTIONS
+#if defined(_MSC_VER) && defined(_CPPUNWIND)
+  #define PROTOBUF_USE_EXCEPTIONS 1
+#elif defined(__EXCEPTIONS)
+  #define PROTOBUF_USE_EXCEPTIONS 1
+#else
+  #define PROTOBUF_USE_EXCEPTIONS 0
+#endif
+#endif
+
+#if PROTOBUF_USE_EXCEPTIONS
+#include <exception>
+#endif
+
+#if defined(_WIN32) && defined(GetMessage)
+// Allow GetMessage to be used as a valid method name in protobuf classes.
+// windows.h defines GetMessage() as a macro.  Let's re-define it as an inline
+// function.  The inline function should be equivalent for C++ users.
+inline BOOL GetMessage_Win32(
+    LPMSG lpMsg, HWND hWnd,
+    UINT wMsgFilterMin, UINT wMsgFilterMax) {
+  return GetMessage(lpMsg, hWnd, wMsgFilterMin, wMsgFilterMax);
+}
+#undef GetMessage
+inline BOOL GetMessage(
+    LPMSG lpMsg, HWND hWnd,
+    UINT wMsgFilterMin, UINT wMsgFilterMax) {
+  return GetMessage_Win32(lpMsg, hWnd, wMsgFilterMin, wMsgFilterMax);
+}
+#endif
+
+
 namespace std {}
 
 namespace google {
 namespace protobuf {
 
-using namespace std;  // Don't do this at home, kids.
-
 #undef GOOGLE_DISALLOW_EVIL_CONSTRUCTORS
 #define GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(TypeName)    \
   TypeName(const TypeName&);                           \
@@ -84,24 +113,24 @@ namespace internal {
 
 // The current version, represented as a single integer to make comparison
 // easier:  major * 10^6 + minor * 10^3 + micro
-#define GOOGLE_PROTOBUF_VERSION 2003000
+#define GOOGLE_PROTOBUF_VERSION 2005000
 
 // The minimum library version which works with the current version of the
 // headers.
-#define GOOGLE_PROTOBUF_MIN_LIBRARY_VERSION 2003000
+#define GOOGLE_PROTOBUF_MIN_LIBRARY_VERSION 2005000
 
 // The minimum header version which works with the current version of
 // the library.  This constant should only be used by protoc's C++ code
 // generator.
-static const int kMinHeaderVersionForLibrary = 2003000;
+static const int kMinHeaderVersionForLibrary = 2005000;
 
 // The minimum protoc version which works with the current version of the
 // headers.
-#define GOOGLE_PROTOBUF_MIN_PROTOC_VERSION 2003000
+#define GOOGLE_PROTOBUF_MIN_PROTOC_VERSION 2005000
 
 // The minimum header version which works with the current version of
 // protoc.  This constant should only be used in VerifyVersion().
-static const int kMinHeaderVersionForProtoc = 2003000;
+static const int kMinHeaderVersionForProtoc = 2005000;
 
 // Verifies that the headers and libraries are compatible.  Use the macro
 // below to call this.
@@ -109,7 +138,7 @@ void LIBPROTOBUF_EXPORT VerifyVersion(int headerVersion, int minLibraryVersion,
                                       const char* filename);
 
 // Converts a numeric version number to a string.
-string LIBPROTOBUF_EXPORT VersionString(int version);
+std::string LIBPROTOBUF_EXPORT VersionString(int version);
 
 }  // namespace internal
 
@@ -352,6 +381,7 @@ struct CompileAssert {
   typedef ::google::protobuf::internal::CompileAssert<(bool(expr))> \
           msg[bool(expr) ? 1 : -1]
 
+
 // Implementation details of COMPILE_ASSERT:
 //
 // - COMPILE_ASSERT works by defining an array type that has -1
@@ -619,7 +649,7 @@ class LIBPROTOBUF_EXPORT LogMessage {
   LogMessage(LogLevel level, const char* filename, int line);
   ~LogMessage();
 
-  LogMessage& operator<<(const string& value);
+  LogMessage& operator<<(const std::string& value);
   LogMessage& operator<<(const char* value);
   LogMessage& operator<<(char value);
   LogMessage& operator<<(int value);
@@ -635,7 +665,7 @@ class LIBPROTOBUF_EXPORT LogMessage {
   LogLevel level_;
   const char* filename_;
   int line_;
-  string message_;
+  std::string message_;
 };
 
 // Used to make the entire "LOG(BLAH) << etc." expression have a void return
@@ -661,6 +691,7 @@ class LIBPROTOBUF_EXPORT LogFinisher {
 #undef GOOGLE_CHECK_LE
 #undef GOOGLE_CHECK_GT
 #undef GOOGLE_CHECK_GE
+#undef GOOGLE_CHECK_NOTNULL
 
 #undef GOOGLE_DLOG
 #undef GOOGLE_DCHECK
@@ -687,6 +718,18 @@ class LIBPROTOBUF_EXPORT LogFinisher {
 #define GOOGLE_CHECK_GT(A, B) GOOGLE_CHECK((A) >  (B))
 #define GOOGLE_CHECK_GE(A, B) GOOGLE_CHECK((A) >= (B))
 
+namespace internal {
+template<typename T>
+T* CheckNotNull(const char *file, int line, const char *name, T* val) {
+  if (val == NULL) {
+    GOOGLE_LOG(FATAL) << name;
+  }
+  return val;
+}
+}  // namespace internal
+#define GOOGLE_CHECK_NOTNULL(A) \
+  internal::CheckNotNull(__FILE__, __LINE__, "'" #A "' must not be NULL", (A))
+
 #ifdef NDEBUG
 
 #define GOOGLE_DLOG GOOGLE_LOG_IF(INFO, false)
@@ -714,7 +757,7 @@ class LIBPROTOBUF_EXPORT LogFinisher {
 #endif  // !NDEBUG
 
 typedef void LogHandler(LogLevel level, const char* filename, int line,
-                        const string& message);
+                        const std::string& message);
 
 // The protobuf library sometimes writes warning and error messages to
 // stderr.  These messages are primarily useful for developers, but may
@@ -826,8 +869,9 @@ class LIBPROTOBUF_EXPORT FunctionClosure0 : public Closure {
   ~FunctionClosure0();
 
   void Run() {
+    bool needs_delete = self_deleting_;  // read in case callback deletes
     function_();
-    if (self_deleting_) delete this;
+    if (needs_delete) delete this;
   }
 
  private:
@@ -845,8 +889,9 @@ class MethodClosure0 : public Closure {
   ~MethodClosure0() {}
 
   void Run() {
+    bool needs_delete = self_deleting_;  // read in case callback deletes
     (object_->*method_)();
-    if (self_deleting_) delete this;
+    if (needs_delete) delete this;
   }
 
  private:
@@ -867,8 +912,9 @@ class FunctionClosure1 : public Closure {
   ~FunctionClosure1() {}
 
   void Run() {
+    bool needs_delete = self_deleting_;  // read in case callback deletes
     function_(arg1_);
-    if (self_deleting_) delete this;
+    if (needs_delete) delete this;
   }
 
  private:
@@ -889,8 +935,9 @@ class MethodClosure1 : public Closure {
   ~MethodClosure1() {}
 
   void Run() {
+    bool needs_delete = self_deleting_;  // read in case callback deletes
     (object_->*method_)(arg1_);
-    if (self_deleting_) delete this;
+    if (needs_delete) delete this;
   }
 
  private:
@@ -912,8 +959,9 @@ class FunctionClosure2 : public Closure {
   ~FunctionClosure2() {}
 
   void Run() {
+    bool needs_delete = self_deleting_;  // read in case callback deletes
     function_(arg1_, arg2_);
-    if (self_deleting_) delete this;
+    if (needs_delete) delete this;
   }
 
  private:
@@ -935,8 +983,9 @@ class MethodClosure2 : public Closure {
   ~MethodClosure2() {}
 
   void Run() {
+    bool needs_delete = self_deleting_;  // read in case callback deletes
     (object_->*method_)(arg1_, arg2_);
-    if (self_deleting_) delete this;
+    if (needs_delete) delete this;
   }
 
  private:
@@ -1105,26 +1154,20 @@ using internal::WriterMutexLock;
 using internal::MutexLockMaybe;
 
 // ===================================================================
-// from google3/base/type_traits.h
+// from google3/util/utf8/public/unilib.h
 
 namespace internal {
 
-// Specified by TR1 [4.7.4] Pointer modifications.
-template<typename T> struct remove_pointer { typedef T type; };
-template<typename T> struct remove_pointer<T*> { typedef T type; };
-template<typename T> struct remove_pointer<T* const> { typedef T type; };
-template<typename T> struct remove_pointer<T* volatile> { typedef T type; };
-template<typename T> struct remove_pointer<T* const volatile> {
-  typedef T type; };
-
-// ===================================================================
-
 // Checks if the buffer contains structurally-valid UTF-8.  Implemented in
 // structurally_valid.cc.
 LIBPROTOBUF_EXPORT bool IsStructurallyValidUTF8(const char* buf, int len);
 
 }  // namespace internal
 
+// ===================================================================
+// from google3/util/endian/endian.h
+LIBPROTOBUF_EXPORT uint32 ghtonl(uint32 x);
+
 // ===================================================================
 // Shutdown support.
 
@@ -1150,6 +1193,30 @@ LIBPROTOBUF_EXPORT void OnShutdown(void (*func)());
 
 }  // namespace internal
 
+#if PROTOBUF_USE_EXCEPTIONS
+class FatalException : public std::exception {
+ public:
+  FatalException(const char* filename, int line, const std::string& message)
+      : filename_(filename), line_(line), message_(message) {}
+  virtual ~FatalException() throw();
+
+  virtual const char* what() const throw();
+
+  const char* filename() const { return filename_; }
+  int line() const { return line_; }
+  const std::string& message() const { return message_; }
+
+ private:
+  const char* filename_;
+  const int line_;
+  const std::string message_;
+};
+#endif
+
+// This is at the end of the file instead of the beginning to work around a bug
+// in some versions of MSVC.
+using namespace std;  // Don't do this at home, kids.
+
 }  // namespace protobuf
 }  // namespace google
 
diff --git a/common/protobuf-2.3.0/src/google/protobuf/stubs/common_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/stubs/common_unittest.cc
similarity index 94%
rename from common/protobuf-2.3.0/src/google/protobuf/stubs/common_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/stubs/common_unittest.cc
index 32c1d08e..43cd6d01 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/stubs/common_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/common_unittest.cc
@@ -94,9 +94,9 @@ TEST(LoggingTest, DefaultLogging) {
 
   string text = GetCapturedTestStderr();
   EXPECT_EQ(
-    "libprotobuf INFO "__FILE__":" + SimpleItoa(line + 1) + "] A message.\n"
-    "libprotobuf WARNING "__FILE__":" + SimpleItoa(line + 2) + "] A warning.\n"
-    "libprotobuf ERROR "__FILE__":" + SimpleItoa(line + 3) + "] An error.\n",
+    "[libprotobuf INFO "__FILE__":" + SimpleItoa(line + 1) + "] A message.\n"
+    "[libprotobuf WARNING "__FILE__":" + SimpleItoa(line + 2) + "] A warning.\n"
+    "[libprotobuf ERROR "__FILE__":" + SimpleItoa(line + 3) + "] An error.\n",
     text);
 }
 
@@ -182,11 +182,17 @@ class ClosureTest : public testing::Test {
     a_ = 0;
     b_ = NULL;
     c_.clear();
+    permanent_closure_ = NULL;
+  }
+
+  void DeleteClosureInCallback() {
+    delete permanent_closure_;
   }
 
   int a_;
   const char* b_;
   string c_;
+  Closure* permanent_closure_;
 
   static ClosureTest* current_instance_;
 };
@@ -340,6 +346,12 @@ TEST_F(ClosureTest, TestPermanentClosureMethod2) {
   delete closure;
 }
 
+TEST_F(ClosureTest, TestPermanentClosureDeleteInCallback) {
+  permanent_closure_ = NewPermanentCallback((ClosureTest*) this,
+      &ClosureTest::DeleteClosureInCallback);
+  permanent_closure_->Run();
+}
+
 }  // anonymous namespace
 }  // namespace protobuf
 }  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/stubs/hash.h b/common/protobuf-2.5.0/src/google/protobuf/stubs/hash.h
similarity index 97%
rename from common/protobuf-2.3.0/src/google/protobuf/stubs/hash.h
rename to common/protobuf-2.5.0/src/google/protobuf/stubs/hash.h
index 822d6050..f7d10712 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/stubs/hash.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/hash.h
@@ -90,12 +90,16 @@ template <typename Key, typename Data,
           typename HashFcn = hash<Key>,
           typename EqualKey = int >
 class hash_map : public std::map<Key, Data, HashFcn> {
+ public:
+  hash_map(int = 0) {}
 };
 
 template <typename Key,
           typename HashFcn = hash<Key>,
           typename EqualKey = int >
 class hash_set : public std::set<Key, HashFcn> {
+ public:
+  hash_set(int = 0) {}
 };
 
 #elif defined(_MSC_VER) && !defined(_STLPORT_VERSION)
@@ -123,6 +127,8 @@ template <typename Key, typename Data,
           typename EqualKey = int >
 class hash_map : public HASH_NAMESPACE::hash_map<
     Key, Data, HashFcn> {
+ public:
+  hash_map(int = 0) {}
 };
 
 template <typename Key,
@@ -130,6 +136,8 @@ template <typename Key,
           typename EqualKey = int >
 class hash_set : public HASH_NAMESPACE::hash_set<
     Key, HashFcn> {
+ public:
+  hash_set(int = 0) {}
 };
 
 #else
@@ -163,6 +171,8 @@ template <typename Key, typename Data,
           typename EqualKey = std::equal_to<Key> >
 class hash_map : public HASH_NAMESPACE::HASH_MAP_CLASS<
     Key, Data, HashFcn, EqualKey> {
+ public:
+  hash_map(int = 0) {}
 };
 
 template <typename Key,
@@ -170,6 +180,8 @@ template <typename Key,
           typename EqualKey = std::equal_to<Key> >
 class hash_set : public HASH_NAMESPACE::HASH_SET_CLASS<
     Key, HashFcn, EqualKey> {
+ public:
+  hash_set(int = 0) {}
 };
 
 #endif
diff --git a/common/protobuf-2.3.0/src/google/protobuf/stubs/map-util.h b/common/protobuf-2.5.0/src/google/protobuf/stubs/map-util.h
similarity index 82%
rename from common/protobuf-2.3.0/src/google/protobuf/stubs/map-util.h
rename to common/protobuf-2.5.0/src/google/protobuf/stubs/map-util.h
index f5c9d6b6..775848b9 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/stubs/map-util.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/map-util.h
@@ -68,6 +68,30 @@ FindOrNull(const Collection& collection,
   return &it->second;
 }
 
+// Perform a lookup in a map or hash_map, assuming that the key exists.
+// Crash if it does not.
+//
+// This is intended as a replacement for operator[] as an rvalue (for reading)
+// when the key is guaranteed to exist.
+//
+// operator[] is discouraged for several reasons:
+//  * It has a side-effect of inserting missing keys
+//  * It is not thread-safe (even when it is not inserting, it can still
+//      choose to resize the underlying storage)
+//  * It invalidates iterators (when it chooses to resize)
+//  * It default constructs a value object even if it doesn't need to
+//
+// This version assumes the key is printable, and includes it in the fatal log
+// message.
+template <class Collection>
+const typename Collection::value_type::second_type&
+FindOrDie(const Collection& collection,
+          const typename Collection::value_type::first_type& key) {
+  typename Collection::const_iterator it = collection.find(key);
+  GOOGLE_CHECK(it != collection.end()) << "Map key not found: " << key;
+  return it->second;
+}
+
 // Perform a lookup in a map or hash_map whose values are pointers.
 // If the key is present a const pointer to the associated value is returned,
 // otherwise a NULL pointer is returned.
diff --git a/common/protobuf-2.3.0/src/google/protobuf/stubs/once.cc b/common/protobuf-2.5.0/src/google/protobuf/stubs/once.cc
similarity index 58%
rename from common/protobuf-2.3.0/src/google/protobuf/stubs/once.cc
rename to common/protobuf-2.5.0/src/google/protobuf/stubs/once.cc
index 5b7af9ce..1e24b855 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/stubs/once.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/once.cc
@@ -35,54 +35,65 @@
 // This header is intended to be included only by internal .cc files and
 // generated .pb.cc files.  Users should not use this directly.
 
+#include <google/protobuf/stubs/once.h>
+
+#ifndef GOOGLE_PROTOBUF_NO_THREAD_SAFETY
+
 #ifdef _WIN32
 #include <windows.h>
+#else
+#include <sched.h>
 #endif
 
-#include <google/protobuf/stubs/once.h>
+#include <google/protobuf/stubs/atomicops.h>
 
 namespace google {
 namespace protobuf {
 
+namespace {
+
+void SchedYield() {
 #ifdef _WIN32
-
-struct ProtobufOnceInternal {
-  ProtobufOnceInternal() {
-    InitializeCriticalSection(&critical_section);
-  }
-  ~ProtobufOnceInternal() {
-    DeleteCriticalSection(&critical_section);
-  }
-  CRITICAL_SECTION critical_section;
-};
-
-ProtobufOnceType::~ProtobufOnceType()
-{
-  delete internal_;
-  internal_ = NULL;
-}
-
-ProtobufOnceType::ProtobufOnceType() {
-  // internal_ may be non-NULL if Init() was already called.
-  if (internal_ == NULL) internal_ = new ProtobufOnceInternal;
-}
-
-void ProtobufOnceType::Init(void (*init_func)()) {
-  // internal_ may be NULL if we're still in dynamic initialization and the
-  // constructor has not been called yet.  As mentioned in once.h, we assume
-  // that the program is still single-threaded at this time, and therefore it
-  // should be safe to initialize internal_ like so.
-  if (internal_ == NULL) internal_ = new ProtobufOnceInternal;
-
-  EnterCriticalSection(&internal_->critical_section);
-  if (!initialized_) {
-    init_func();
-    initialized_ = true;
-  }
-  LeaveCriticalSection(&internal_->critical_section);
-}
-
+  Sleep(0);
+#else  // POSIX
+  sched_yield();
 #endif
+}
+
+}  // namespace
+
+void GoogleOnceInitImpl(ProtobufOnceType* once, Closure* closure) {
+  internal::AtomicWord state = internal::Acquire_Load(once);
+  // Fast path. The provided closure was already executed.
+  if (state == ONCE_STATE_DONE) {
+    return;
+  }
+  // The closure execution did not complete yet. The once object can be in one
+  // of the two following states:
+  //   - UNINITIALIZED: We are the first thread calling this function.
+  //   - EXECUTING_CLOSURE: Another thread is already executing the closure.
+  //
+  // First, try to change the state from UNINITIALIZED to EXECUTING_CLOSURE
+  // atomically.
+  state = internal::Acquire_CompareAndSwap(
+      once, ONCE_STATE_UNINITIALIZED, ONCE_STATE_EXECUTING_CLOSURE);
+  if (state == ONCE_STATE_UNINITIALIZED) {
+    // We are the first thread to call this function, so we have to call the
+    // closure.
+    closure->Run();
+    internal::Release_Store(once, ONCE_STATE_DONE);
+  } else {
+    // Another thread has already started executing the closure. We need to
+    // wait until it completes the initialization.
+    while (state == ONCE_STATE_EXECUTING_CLOSURE) {
+      // Note that futex() could be used here on Linux as an improvement.
+      SchedYield();
+      state = internal::Acquire_Load(once);
+    }
+  }
+}
 
 }  // namespace protobuf
 }  // namespace google
+
+#endif  // GOOGLE_PROTOBUF_NO_THREAD_SAFETY
diff --git a/common/protobuf-2.3.0/src/google/protobuf/stubs/once.h b/common/protobuf-2.5.0/src/google/protobuf/stubs/once.h
similarity index 68%
rename from common/protobuf-2.3.0/src/google/protobuf/stubs/once.h
rename to common/protobuf-2.5.0/src/google/protobuf/stubs/once.h
index 0dee4076..7fbc117f 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/stubs/once.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/once.h
@@ -37,16 +37,22 @@
 //
 // This is basically a portable version of pthread_once().
 //
-// This header declares three things:
+// This header declares:
 // * A type called ProtobufOnceType.
 // * A macro GOOGLE_PROTOBUF_DECLARE_ONCE() which declares a variable of type
 //   ProtobufOnceType.  This is the only legal way to declare such a variable.
-//   The macro may only be used at the global scope (you cannot create local
-//   or class member variables of this type).
-// * A function GogoleOnceInit(ProtobufOnceType* once, void (*init_func)()).
+//   The macro may only be used at the global scope (you cannot create local or
+//   class member variables of this type).
+// * A function GoogleOnceInit(ProtobufOnceType* once, void (*init_func)()).
 //   This function, when invoked multiple times given the same ProtobufOnceType
 //   object, will invoke init_func on the first call only, and will make sure
 //   none of the calls return before that first call to init_func has finished.
+// * The user can provide a parameter which GoogleOnceInit() forwards to the
+//   user-provided function when it is called. Usage example:
+//     int a = 10;
+//     GoogleOnceInit(&my_once, &MyFunctionExpectingIntArgument, &a);
+// * This implementation guarantees that ProtobufOnceType is a POD (i.e. no
+//   static initializer generated).
 //
 // This implements a way to perform lazy initialization.  It's more efficient
 // than using mutexes as no lock is needed if initialization has already
@@ -72,50 +78,69 @@
 #ifndef GOOGLE_PROTOBUF_STUBS_ONCE_H__
 #define GOOGLE_PROTOBUF_STUBS_ONCE_H__
 
+#include <google/protobuf/stubs/atomicops.h>
 #include <google/protobuf/stubs/common.h>
 
-#ifndef _WIN32
-#include <pthread.h>
-#endif
-
 namespace google {
 namespace protobuf {
 
-#ifdef _WIN32
+#ifdef GOOGLE_PROTOBUF_NO_THREAD_SAFETY
 
-struct ProtobufOnceInternal;
+typedef bool ProtobufOnceType;
 
-struct LIBPROTOBUF_EXPORT ProtobufOnceType {
-  ProtobufOnceType();
-  ~ProtobufOnceType();
-  void Init(void (*init_func)());
-
-  volatile bool initialized_;
-  ProtobufOnceInternal* internal_;
-};
-
-#define GOOGLE_PROTOBUF_DECLARE_ONCE(NAME)                    \
-  ::google::protobuf::ProtobufOnceType NAME
+#define GOOGLE_PROTOBUF_ONCE_INIT false
 
 inline void GoogleOnceInit(ProtobufOnceType* once, void (*init_func)()) {
-  // Note:  Double-checked locking is safe on x86.
-  if (!once->initialized_) {
-    once->Init(init_func);
+  if (!*once) {
+    *once = true;
+    init_func();
+  }
+}
+
+template <typename Arg>
+inline void GoogleOnceInit(ProtobufOnceType* once, void (*init_func)(Arg),
+    Arg arg) {
+  if (!*once) {
+    *once = true;
+    init_func(arg);
   }
 }
 
 #else
 
-typedef pthread_once_t ProtobufOnceType;
+enum {
+  ONCE_STATE_UNINITIALIZED = 0,
+  ONCE_STATE_EXECUTING_CLOSURE = 1,
+  ONCE_STATE_DONE = 2
+};
 
-#define GOOGLE_PROTOBUF_DECLARE_ONCE(NAME)                    \
-  pthread_once_t NAME = PTHREAD_ONCE_INIT
+typedef internal::AtomicWord ProtobufOnceType;
+
+#define GOOGLE_PROTOBUF_ONCE_INIT ::google::protobuf::ONCE_STATE_UNINITIALIZED
+
+LIBPROTOBUF_EXPORT
+void GoogleOnceInitImpl(ProtobufOnceType* once, Closure* closure);
 
 inline void GoogleOnceInit(ProtobufOnceType* once, void (*init_func)()) {
-  pthread_once(once, init_func);
+  if (internal::Acquire_Load(once) != ONCE_STATE_DONE) {
+    internal::FunctionClosure0 func(init_func, false);
+    GoogleOnceInitImpl(once, &func);
+  }
 }
 
-#endif
+template <typename Arg>
+inline void GoogleOnceInit(ProtobufOnceType* once, void (*init_func)(Arg*),
+    Arg* arg) {
+  if (internal::Acquire_Load(once) != ONCE_STATE_DONE) {
+    internal::FunctionClosure1<Arg*> func(init_func, false, arg);
+    GoogleOnceInitImpl(once, &func);
+  }
+}
+
+#endif  // GOOGLE_PROTOBUF_NO_THREAD_SAFETY
+
+#define GOOGLE_PROTOBUF_DECLARE_ONCE(NAME) \
+  ::google::protobuf::ProtobufOnceType NAME = GOOGLE_PROTOBUF_ONCE_INIT
 
 }  // namespace protobuf
 }  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/stubs/once_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/stubs/once_unittest.cc
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/stubs/once_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/stubs/once_unittest.cc
diff --git a/common/protobuf-2.5.0/src/google/protobuf/stubs/platform_macros.h b/common/protobuf-2.5.0/src/google/protobuf/stubs/platform_macros.h
new file mode 100644
index 00000000..b1df60e4
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/platform_macros.h
@@ -0,0 +1,70 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2012 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef GOOGLE_PROTOBUF_PLATFORM_MACROS_H_
+#define GOOGLE_PROTOBUF_PLATFORM_MACROS_H_
+
+#include <google/protobuf/stubs/common.h>
+
+// Processor architecture detection.  For more info on what's defined, see:
+//   http://msdn.microsoft.com/en-us/library/b0084kay.aspx
+//   http://www.agner.org/optimize/calling_conventions.pdf
+//   or with gcc, run: "echo | gcc -E -dM -"
+#if defined(_M_X64) || defined(__x86_64__)
+#define GOOGLE_PROTOBUF_ARCH_X64 1
+#define GOOGLE_PROTOBUF_ARCH_64_BIT 1
+#elif defined(_M_IX86) || defined(__i386__)
+#define GOOGLE_PROTOBUF_ARCH_IA32 1
+#define GOOGLE_PROTOBUF_ARCH_32_BIT 1
+#elif defined(__QNX__)
+#define GOOGLE_PROTOBUF_ARCH_ARM_QNX 1
+#define GOOGLE_PROTOBUF_ARCH_32_BIT 1
+#elif defined(__ARMEL__)
+#define GOOGLE_PROTOBUF_ARCH_ARM 1
+#define GOOGLE_PROTOBUF_ARCH_32_BIT 1
+#elif defined(__MIPSEL__)
+#define GOOGLE_PROTOBUF_ARCH_MIPS 1
+#define GOOGLE_PROTOBUF_ARCH_32_BIT 1
+#elif defined(__pnacl__)
+#define GOOGLE_PROTOBUF_ARCH_32_BIT 1
+#elif defined(__ppc__)
+#define GOOGLE_PROTOBUF_ARCH_PPC 1
+#define GOOGLE_PROTOBUF_ARCH_32_BIT 1
+#else
+#error Host architecture was not detected as supported by protobuf
+#endif
+
+#if defined(__APPLE__)
+#define GOOGLE_PROTOBUF_OS_APPLE
+#elif defined(__native_client__)
+#define GOOGLE_PROTOBUF_OS_NACL
+#endif
+
+#endif  // GOOGLE_PROTOBUF_PLATFORM_MACROS_H_
diff --git a/common/protobuf-2.3.0/src/google/protobuf/stubs/stl_util-inl.h b/common/protobuf-2.5.0/src/google/protobuf/stubs/stl_util.h
similarity index 96%
rename from common/protobuf-2.3.0/src/google/protobuf/stubs/stl_util-inl.h
rename to common/protobuf-2.5.0/src/google/protobuf/stubs/stl_util.h
index a2e671bb..9021dada 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/stubs/stl_util-inl.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/stl_util.h
@@ -28,10 +28,10 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// from google3/util/gtl/stl_util-inl.h
+// from google3/util/gtl/stl_util.h
 
-#ifndef GOOGLE_PROTOBUF_STUBS_STL_UTIL_INL_H__
-#define GOOGLE_PROTOBUF_STUBS_STL_UTIL_INL_H__
+#ifndef GOOGLE_PROTOBUF_STUBS_STL_UTIL_H__
+#define GOOGLE_PROTOBUF_STUBS_STL_UTIL_H__
 
 #include <google/protobuf/stubs/common.h>
 
@@ -118,4 +118,4 @@ void STLDeleteValues(T *v) {
 }  // namespace protobuf
 }  // namespace google
 
-#endif  // GOOGLE_PROTOBUF_STUBS_STL_UTIL_INL_H__
+#endif  // GOOGLE_PROTOBUF_STUBS_STL_UTIL_H__
diff --git a/common/protobuf-2.5.0/src/google/protobuf/stubs/stringprintf.cc b/common/protobuf-2.5.0/src/google/protobuf/stubs/stringprintf.cc
new file mode 100644
index 00000000..4a5b8582
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/stringprintf.cc
@@ -0,0 +1,175 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2012 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// from google3/base/stringprintf.cc
+
+#include <google/protobuf/stubs/stringprintf.h>
+
+#include <errno.h>
+#include <stdarg.h> // For va_list and related operations
+#include <stdio.h> // MSVC requires this for _vsnprintf
+#include <vector>
+#include <google/protobuf/stubs/common.h>
+#include <google/protobuf/testing/googletest.h>
+
+namespace google {
+namespace protobuf {
+
+#ifdef _MSC_VER
+enum { IS_COMPILER_MSVC = 1 };
+#ifndef va_copy
+// Define va_copy for MSVC. This is a hack, assuming va_list is simply a
+// pointer into the stack and is safe to copy.
+#define va_copy(dest, src) ((dest) = (src))
+#endif
+#else
+enum { IS_COMPILER_MSVC = 0 };
+#endif
+
+void StringAppendV(string* dst, const char* format, va_list ap) {
+  // First try with a small fixed size buffer
+  static const int kSpaceLength = 1024;
+  char space[kSpaceLength];
+
+  // It's possible for methods that use a va_list to invalidate
+  // the data in it upon use.  The fix is to make a copy
+  // of the structure before using it and use that copy instead.
+  va_list backup_ap;
+  va_copy(backup_ap, ap);
+  int result = vsnprintf(space, kSpaceLength, format, backup_ap);
+  va_end(backup_ap);
+
+  if (result < kSpaceLength) {
+    if (result >= 0) {
+      // Normal case -- everything fit.
+      dst->append(space, result);
+      return;
+    }
+
+    if (IS_COMPILER_MSVC) {
+      // Error or MSVC running out of space.  MSVC 8.0 and higher
+      // can be asked about space needed with the special idiom below:
+      va_copy(backup_ap, ap);
+      result = vsnprintf(NULL, 0, format, backup_ap);
+      va_end(backup_ap);
+    }
+
+    if (result < 0) {
+      // Just an error.
+      return;
+    }
+  }
+
+  // Increase the buffer size to the size requested by vsnprintf,
+  // plus one for the closing \0.
+  int length = result+1;
+  char* buf = new char[length];
+
+  // Restore the va_list before we use it again
+  va_copy(backup_ap, ap);
+  result = vsnprintf(buf, length, format, backup_ap);
+  va_end(backup_ap);
+
+  if (result >= 0 && result < length) {
+    // It fit
+    dst->append(buf, result);
+  }
+  delete[] buf;
+}
+
+
+string StringPrintf(const char* format, ...) {
+  va_list ap;
+  va_start(ap, format);
+  string result;
+  StringAppendV(&result, format, ap);
+  va_end(ap);
+  return result;
+}
+
+const string& SStringPrintf(string* dst, const char* format, ...) {
+  va_list ap;
+  va_start(ap, format);
+  dst->clear();
+  StringAppendV(dst, format, ap);
+  va_end(ap);
+  return *dst;
+}
+
+void StringAppendF(string* dst, const char* format, ...) {
+  va_list ap;
+  va_start(ap, format);
+  StringAppendV(dst, format, ap);
+  va_end(ap);
+}
+
+// Max arguments supported by StringPrintVector
+const int kStringPrintfVectorMaxArgs = 32;
+
+// An empty block of zero for filler arguments.  This is const so that if
+// printf tries to write to it (via %n) then the program gets a SIGSEGV
+// and we can fix the problem or protect against an attack.
+static const char string_printf_empty_block[256] = { '\0' };
+
+string StringPrintfVector(const char* format, const vector<string>& v) {
+  GOOGLE_CHECK_LE(v.size(), kStringPrintfVectorMaxArgs)
+      << "StringPrintfVector currently only supports up to "
+      << kStringPrintfVectorMaxArgs << " arguments. "
+      << "Feel free to add support for more if you need it.";
+
+  // Add filler arguments so that bogus format+args have a harder time
+  // crashing the program, corrupting the program (%n),
+  // or displaying random chunks of memory to users.
+
+  const char* cstr[kStringPrintfVectorMaxArgs];
+  for (int i = 0; i < v.size(); ++i) {
+    cstr[i] = v[i].c_str();
+  }
+  for (int i = v.size(); i < GOOGLE_ARRAYSIZE(cstr); ++i) {
+    cstr[i] = &string_printf_empty_block[0];
+  }
+
+  // I do not know any way to pass kStringPrintfVectorMaxArgs arguments,
+  // or any way to build a va_list by hand, or any API for printf
+  // that accepts an array of arguments.  The best I can do is stick
+  // this COMPILE_ASSERT right next to the actual statement.
+
+  GOOGLE_COMPILE_ASSERT(kStringPrintfVectorMaxArgs == 32, arg_count_mismatch);
+  return StringPrintf(format,
+                      cstr[0], cstr[1], cstr[2], cstr[3], cstr[4],
+                      cstr[5], cstr[6], cstr[7], cstr[8], cstr[9],
+                      cstr[10], cstr[11], cstr[12], cstr[13], cstr[14],
+                      cstr[15], cstr[16], cstr[17], cstr[18], cstr[19],
+                      cstr[20], cstr[21], cstr[22], cstr[23], cstr[24],
+                      cstr[25], cstr[26], cstr[27], cstr[28], cstr[29],
+                      cstr[30], cstr[31]);
+}
+}  // namespace protobuf
+}  // namespace google
diff --git a/common/protobuf-2.5.0/src/google/protobuf/stubs/stringprintf.h b/common/protobuf-2.5.0/src/google/protobuf/stubs/stringprintf.h
new file mode 100644
index 00000000..4a03e5ff
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/stringprintf.h
@@ -0,0 +1,76 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2012 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// from google3/base/stringprintf.h
+//
+// Printf variants that place their output in a C++ string.
+//
+// Usage:
+//      string result = StringPrintf("%d %s\n", 10, "hello");
+//      SStringPrintf(&result, "%d %s\n", 10, "hello");
+//      StringAppendF(&result, "%d %s\n", 20, "there");
+
+#ifndef GOOGLE_PROTOBUF_STUBS_STRINGPRINTF_H
+#define GOOGLE_PROTOBUF_STUBS_STRINGPRINTF_H
+
+#include <stdarg.h>
+#include <string>
+#include <vector>
+
+#include <google/protobuf/stubs/common.h>
+
+namespace google {
+namespace protobuf {
+
+// Return a C++ string
+LIBPROTOBUF_EXPORT extern string StringPrintf(const char* format, ...);
+
+// Store result into a supplied string and return it
+LIBPROTOBUF_EXPORT extern const string& SStringPrintf(string* dst, const char* format, ...);
+
+// Append result to a supplied string
+LIBPROTOBUF_EXPORT extern void StringAppendF(string* dst, const char* format, ...);
+
+// Lower-level routine that takes a va_list and appends to a specified
+// string.  All other routines are just convenience wrappers around it.
+LIBPROTOBUF_EXPORT extern void StringAppendV(string* dst, const char* format, va_list ap);
+
+// The max arguments supported by StringPrintfVector
+LIBPROTOBUF_EXPORT extern const int kStringPrintfVectorMaxArgs;
+
+// You can use this version when all your arguments are strings, but
+// you don't know how many arguments you'll have at compile time.
+// StringPrintfVector will LOG(FATAL) if v.size() > kStringPrintfVectorMaxArgs
+LIBPROTOBUF_EXPORT extern string StringPrintfVector(const char* format, const vector<string>& v);
+
+}  // namespace protobuf
+}  // namespace google
+
+#endif  // GOOGLE_PROTOBUF_STUBS_STRINGPRINTF_H
diff --git a/common/protobuf-2.5.0/src/google/protobuf/stubs/stringprintf_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/stubs/stringprintf_unittest.cc
new file mode 100644
index 00000000..de5ce59f
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/stringprintf_unittest.cc
@@ -0,0 +1,152 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2012 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// from google3/base/stringprintf_unittest.cc
+
+#include <google/protobuf/stubs/stringprintf.h>
+
+#include <cerrno>
+#include <string>
+
+#include <google/protobuf/testing/googletest.h>
+#include <gtest/gtest.h>
+
+namespace google {
+namespace protobuf {
+namespace {
+
+TEST(StringPrintfTest, Empty) {
+#if 0
+  // gcc 2.95.3, gcc 4.1.0, and gcc 4.2.2 all warn about this:
+  // warning: zero-length printf format string.
+  // so we do not allow them in google3.
+  EXPECT_EQ("", StringPrintf(""));
+#endif
+  EXPECT_EQ("", StringPrintf("%s", string().c_str()));
+  EXPECT_EQ("", StringPrintf("%s", ""));
+}
+
+TEST(StringPrintfTest, Misc) {
+// MSVC and mingw does not support $ format specifier.
+#if !defined(_MSC_VER) && !defined(__MINGW32__)
+  EXPECT_EQ("123hello w", StringPrintf("%3$d%2$s %1$c", 'w', "hello", 123));
+#endif  // !_MSC_VER
+}
+
+TEST(StringAppendFTest, Empty) {
+  string value("Hello");
+  const char* empty = "";
+  StringAppendF(&value, "%s", empty);
+  EXPECT_EQ("Hello", value);
+}
+
+TEST(StringAppendFTest, EmptyString) {
+  string value("Hello");
+  StringAppendF(&value, "%s", "");
+  EXPECT_EQ("Hello", value);
+}
+
+TEST(StringAppendFTest, String) {
+  string value("Hello");
+  StringAppendF(&value, " %s", "World");
+  EXPECT_EQ("Hello World", value);
+}
+
+TEST(StringAppendFTest, Int) {
+  string value("Hello");
+  StringAppendF(&value, " %d", 123);
+  EXPECT_EQ("Hello 123", value);
+}
+
+TEST(StringPrintfTest, Multibyte) {
+  // If we are in multibyte mode and feed invalid multibyte sequence,
+  // StringPrintf should return an empty string instead of running
+  // out of memory while trying to determine destination buffer size.
+  // see b/4194543.
+
+  char* old_locale = setlocale(LC_CTYPE, NULL);
+  // Push locale with multibyte mode
+  setlocale(LC_CTYPE, "en_US.utf8");
+
+  const char kInvalidCodePoint[] = "\375\067s";
+  string value = StringPrintf("%.*s", 3, kInvalidCodePoint);
+
+  // In some versions of glibc (e.g. eglibc-2.11.1, aka GRTEv2), snprintf
+  // returns error given an invalid codepoint. Other versions
+  // (e.g. eglibc-2.15, aka pre-GRTEv3) emit the codepoint verbatim.
+  // We test that the output is one of the above.
+  EXPECT_TRUE(value.empty() || value == kInvalidCodePoint);
+
+  // Repeat with longer string, to make sure that the dynamically
+  // allocated path in StringAppendV is handled correctly.
+  int n = 2048;
+  char* buf = new char[n+1];
+  memset(buf, ' ', n-3);
+  memcpy(buf + n - 3, kInvalidCodePoint, 4);
+  value =  StringPrintf("%.*s", n, buf);
+  // See GRTEv2 vs. GRTEv3 comment above.
+  EXPECT_TRUE(value.empty() || value == buf);
+  delete[] buf;
+
+  setlocale(LC_CTYPE, old_locale);
+}
+
+TEST(StringPrintfTest, NoMultibyte) {
+  // No multibyte handling, but the string contains funny chars.
+  char* old_locale = setlocale(LC_CTYPE, NULL);
+  setlocale(LC_CTYPE, "POSIX");
+  string value = StringPrintf("%.*s", 3, "\375\067s");
+  setlocale(LC_CTYPE, old_locale);
+  EXPECT_EQ("\375\067s", value);
+}
+
+TEST(StringPrintfTest, DontOverwriteErrno) {
+  // Check that errno isn't overwritten unless we're printing
+  // something significantly larger than what people are normally
+  // printing in their badly written PLOG() statements.
+  errno = ECHILD;
+  string value = StringPrintf("Hello, %s!", "World");
+  EXPECT_EQ(ECHILD, errno);
+}
+
+TEST(StringPrintfTest, LargeBuf) {
+  // Check that the large buffer is handled correctly.
+  int n = 2048;
+  char* buf = new char[n+1];
+  memset(buf, ' ', n);
+  buf[n] = 0;
+  string value = StringPrintf("%s", buf);
+  EXPECT_EQ(buf, value);
+  delete[] buf;
+}
+
+}  // anonymous namespace
+}  // namespace protobuf
+}  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/stubs/structurally_valid.cc b/common/protobuf-2.5.0/src/google/protobuf/stubs/structurally_valid.cc
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/stubs/structurally_valid.cc
rename to common/protobuf-2.5.0/src/google/protobuf/stubs/structurally_valid.cc
diff --git a/common/protobuf-2.3.0/src/google/protobuf/stubs/structurally_valid_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/stubs/structurally_valid_unittest.cc
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/stubs/structurally_valid_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/stubs/structurally_valid_unittest.cc
diff --git a/common/protobuf-2.3.0/src/google/protobuf/stubs/strutil.cc b/common/protobuf-2.5.0/src/google/protobuf/stubs/strutil.cc
similarity index 95%
rename from common/protobuf-2.3.0/src/google/protobuf/stubs/strutil.cc
rename to common/protobuf-2.5.0/src/google/protobuf/stubs/strutil.cc
index bb658ba8..917b3e9f 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/stubs/strutil.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/strutil.cc
@@ -189,6 +189,44 @@ void SplitStringUsing(const string& full,
   SplitStringToIteratorUsing(full, delim, it);
 }
 
+// Split a string using a character delimiter. Append the components
+// to 'result'.  If there are consecutive delimiters, this function
+// will return corresponding empty strings. The string is split into
+// at most the specified number of pieces greedily. This means that the
+// last piece may possibly be split further. To split into as many pieces
+// as possible, specify 0 as the number of pieces.
+//
+// If "full" is the empty string, yields an empty string as the only value.
+//
+// If "pieces" is negative for some reason, it returns the whole string
+// ----------------------------------------------------------------------
+template <typename StringType, typename ITR>
+static inline
+void SplitStringToIteratorAllowEmpty(const StringType& full,
+                                     const char* delim,
+                                     int pieces,
+                                     ITR& result) {
+  string::size_type begin_index, end_index;
+  begin_index = 0;
+
+  for (int i = 0; (i < pieces-1) || (pieces == 0); i++) {
+    end_index = full.find_first_of(delim, begin_index);
+    if (end_index == string::npos) {
+      *result++ = full.substr(begin_index);
+      return;
+    }
+    *result++ = full.substr(begin_index, (end_index - begin_index));
+    begin_index = end_index + 1;
+  }
+  *result++ = full.substr(begin_index);
+}
+
+void SplitStringAllowEmpty(const string& full, const char* delim,
+                           vector<string>* result) {
+  back_insert_iterator<vector<string> > it(*result);
+  SplitStringToIteratorAllowEmpty(full, delim, 0, it);
+}
+
 // ----------------------------------------------------------------------
 // JoinStrings()
 //    This merges a vector of string components with delim inserted
@@ -670,7 +708,14 @@ char *InternalFastHexToBuffer(uint64 value, char* buffer, int num_byte) {
   static const char *hexdigits = "0123456789abcdef";
   buffer[num_byte] = '\0';
   for (int i = num_byte - 1; i >= 0; i--) {
+#ifdef _M_X64
+    // MSVC x64 platform has a bug optimizing the uint32(value) in the #else
+    // block. Given that the uint32 cast was to improve performance on 32-bit
+    // platforms, we use 64-bit '&' directly.
+    buffer[i] = hexdigits[value & 0xf];
+#else
     buffer[i] = hexdigits[uint32(value) & 0xf];
+#endif
     value >>= 4;
   }
   return buffer;
diff --git a/common/protobuf-2.3.0/src/google/protobuf/stubs/strutil.h b/common/protobuf-2.5.0/src/google/protobuf/stubs/strutil.h
similarity index 96%
rename from common/protobuf-2.3.0/src/google/protobuf/stubs/strutil.h
rename to common/protobuf-2.5.0/src/google/protobuf/stubs/strutil.h
index 777694b7..a401c63a 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/stubs/strutil.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/strutil.h
@@ -168,6 +168,18 @@ LIBPROTOBUF_EXPORT string StringReplace(const string& s, const string& oldsub,
 LIBPROTOBUF_EXPORT void SplitStringUsing(const string& full, const char* delim,
                                          vector<string>* res);
 
+// Split a string using one or more byte delimiters, presented
+// as a nul-terminated c string. Append the components to 'result'.
+// If there are consecutive delimiters, this function will return
+// corresponding empty strings.  If you want to drop the empty
+// strings, try SplitStringUsing().
+//
+// If "full" is the empty string, yields an empty string as the only value.
+// ----------------------------------------------------------------------
+LIBPROTOBUF_EXPORT void SplitStringAllowEmpty(const string& full,
+                                              const char* delim,
+                                              vector<string>* result);
+
 // ----------------------------------------------------------------------
 // JoinStrings()
 //    These methods concatenate a vector of strings into a C++ string, using
@@ -207,9 +219,7 @@ inline string JoinStrings(const vector<string>& components,
 //    hex digits, upper or lower case) to specify a Unicode code
 //    point. The dest array will contain the UTF8-encoded version of
 //    that code-point (e.g., if source contains \u2019, then dest will
-//    contain the three bytes 0xE2, 0x80, and 0x99). For the inverse
-//    transformation, use UniLib::UTF8EscapeString
-//    (util/utf8/unilib.h), not CEscapeString.
+//    contain the three bytes 0xE2, 0x80, and 0x99).
 //
 //    Errors: In the first form of the call, errors are reported with
 //    LOG(ERROR). The same is true for the second form of the call if
@@ -455,5 +465,3 @@ LIBPROTOBUF_EXPORT double NoLocaleStrtod(const char* text, char** endptr);
 }  // namespace google
 
 #endif  // GOOGLE_PROTOBUF_STUBS_STRUTIL_H__
-
-
diff --git a/common/protobuf-2.3.0/src/google/protobuf/stubs/strutil_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/stubs/strutil_unittest.cc
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/stubs/strutil_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/stubs/strutil_unittest.cc
diff --git a/common/protobuf-2.3.0/src/google/protobuf/stubs/substitute.cc b/common/protobuf-2.5.0/src/google/protobuf/stubs/substitute.cc
similarity index 99%
rename from common/protobuf-2.3.0/src/google/protobuf/stubs/substitute.cc
rename to common/protobuf-2.5.0/src/google/protobuf/stubs/substitute.cc
index b542aaa4..259245b3 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/stubs/substitute.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/substitute.cc
@@ -32,7 +32,7 @@
 
 #include <google/protobuf/stubs/substitute.h>
 #include <google/protobuf/stubs/strutil.h>
-#include <google/protobuf/stubs/stl_util-inl.h>
+#include <google/protobuf/stubs/stl_util.h>
 
 namespace google {
 namespace protobuf {
diff --git a/common/protobuf-2.3.0/src/google/protobuf/stubs/substitute.h b/common/protobuf-2.5.0/src/google/protobuf/stubs/substitute.h
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/stubs/substitute.h
rename to common/protobuf-2.5.0/src/google/protobuf/stubs/substitute.h
diff --git a/common/protobuf-2.5.0/src/google/protobuf/stubs/template_util.h b/common/protobuf-2.5.0/src/google/protobuf/stubs/template_util.h
new file mode 100644
index 00000000..4f30ffa3
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/template_util.h
@@ -0,0 +1,138 @@
+// Copyright 2005 Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// ----
+// Author: lar@google.com (Laramie Leavitt)
+//
+// Template metaprogramming utility functions.
+//
+// This code is compiled directly on many platforms, including client
+// platforms like Windows, Mac, and embedded systems.  Before making
+// any changes here, make sure that you're not breaking any platforms.
+//
+//
+// The names choosen here reflect those used in tr1 and the boost::mpl
+// library, there are similar operations used in the Loki library as
+// well.  I prefer the boost names for 2 reasons:
+// 1.  I think that portions of the Boost libraries are more likely to
+// be included in the c++ standard.
+// 2.  It is not impossible that some of the boost libraries will be
+// included in our own build in the future.
+// Both of these outcomes means that we may be able to directly replace
+// some of these with boost equivalents.
+//
+#ifndef GOOGLE_PROTOBUF_TEMPLATE_UTIL_H_
+#define GOOGLE_PROTOBUF_TEMPLATE_UTIL_H_
+
+namespace google {
+namespace protobuf {
+namespace internal {
+
+// Types small_ and big_ are guaranteed such that sizeof(small_) <
+// sizeof(big_)
+typedef char small_;
+
+struct big_ {
+  char dummy[2];
+};
+
+// Identity metafunction.
+template <class T>
+struct identity_ {
+  typedef T type;
+};
+
+// integral_constant, defined in tr1, is a wrapper for an integer
+// value. We don't really need this generality; we could get away
+// with hardcoding the integer type to bool. We use the fully
+// general integer_constant for compatibility with tr1.
+
+template<class T, T v>
+struct integral_constant {
+  static const T value = v;
+  typedef T value_type;
+  typedef integral_constant<T, v> type;
+};
+
+template <class T, T v> const T integral_constant<T, v>::value;
+
+
+// Abbreviations: true_type and false_type are structs that represent boolean
+// true and false values. Also define the boost::mpl versions of those names,
+// true_ and false_.
+typedef integral_constant<bool, true>  true_type;
+typedef integral_constant<bool, false> false_type;
+typedef true_type  true_;
+typedef false_type false_;
+
+// if_ is a templatized conditional statement.
+// if_<cond, A, B> is a compile time evaluation of cond.
+// if_<>::type contains A if cond is true, B otherwise.
+template<bool cond, typename A, typename B>
+struct if_{
+  typedef A type;
+};
+
+template<typename A, typename B>
+struct if_<false, A, B> {
+  typedef B type;
+};
+
+
+// type_equals_ is a template type comparator, similar to Loki IsSameType.
+// type_equals_<A, B>::value is true iff "A" is the same type as "B".
+//
+// New code should prefer base::is_same, defined in base/type_traits.h.
+// It is functionally identical, but is_same is the standard spelling.
+template<typename A, typename B>
+struct type_equals_ : public false_ {
+};
+
+template<typename A>
+struct type_equals_<A, A> : public true_ {
+};
+
+// and_ is a template && operator.
+// and_<A, B>::value evaluates "A::value && B::value".
+template<typename A, typename B>
+struct and_ : public integral_constant<bool, (A::value && B::value)> {
+};
+
+// or_ is a template || operator.
+// or_<A, B>::value evaluates "A::value || B::value".
+template<typename A, typename B>
+struct or_ : public integral_constant<bool, (A::value || B::value)> {
+};
+
+
+}  // namespace internal
+}  // namespace protobuf
+}  // namespace google
+
+#endif  // GOOGLE_PROTOBUF_TEMPLATE_UTIL_H_
diff --git a/common/protobuf-2.5.0/src/google/protobuf/stubs/template_util_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/stubs/template_util_unittest.cc
new file mode 100644
index 00000000..b1745e2b
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/template_util_unittest.cc
@@ -0,0 +1,130 @@
+// Copyright 2005 Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// ----
+// Author: lar@google.com (Laramie Leavitt)
+//
+// These tests are really compile time tests.
+// If you try to step through this in a debugger
+// you will not see any evaluations, merely that
+// value is assigned true or false sequentially.
+
+#include <google/protobuf/stubs/template_util.h>
+
+#include <google/protobuf/testing/googletest.h>
+#include <gtest/gtest.h>
+
+namespace GOOGLE_NAMESPACE = google::protobuf::internal;
+
+namespace google {
+namespace protobuf {
+namespace internal {
+namespace {
+
+TEST(TemplateUtilTest, TestSize) {
+  EXPECT_GT(sizeof(GOOGLE_NAMESPACE::big_), sizeof(GOOGLE_NAMESPACE::small_));
+}
+
+TEST(TemplateUtilTest, TestIntegralConstants) {
+  // test the built-in types.
+  EXPECT_TRUE(true_type::value);
+  EXPECT_FALSE(false_type::value);
+
+  typedef integral_constant<int, 1> one_type;
+  EXPECT_EQ(1, one_type::value);
+}
+
+TEST(TemplateUtilTest, TestTemplateIf) {
+  typedef if_<true, true_type, false_type>::type if_true;
+  EXPECT_TRUE(if_true::value);
+
+  typedef if_<false, true_type, false_type>::type if_false;
+  EXPECT_FALSE(if_false::value);
+}
+
+TEST(TemplateUtilTest, TestTemplateTypeEquals) {
+  // Check that the TemplateTypeEquals works correctly.
+  bool value = false;
+
+  // Test the same type is true.
+  value = type_equals_<int, int>::value;
+  EXPECT_TRUE(value);
+
+  // Test different types are false.
+  value = type_equals_<float, int>::value;
+  EXPECT_FALSE(value);
+
+  // Test type aliasing.
+  typedef const int foo;
+  value = type_equals_<const foo, const int>::value;
+  EXPECT_TRUE(value);
+}
+
+TEST(TemplateUtilTest, TestTemplateAndOr) {
+  // Check that the TemplateTypeEquals works correctly.
+  bool value = false;
+
+  // Yes && Yes == true.
+  value = and_<true_, true_>::value;
+  EXPECT_TRUE(value);
+  // Yes && No == false.
+  value = and_<true_, false_>::value;
+  EXPECT_FALSE(value);
+  // No && Yes == false.
+  value = and_<false_, true_>::value;
+  EXPECT_FALSE(value);
+  // No && No == false.
+  value = and_<false_, false_>::value;
+  EXPECT_FALSE(value);
+
+  // Yes || Yes == true.
+  value = or_<true_, true_>::value;
+  EXPECT_TRUE(value);
+  // Yes || No == true.
+  value = or_<true_, false_>::value;
+  EXPECT_TRUE(value);
+  // No || Yes == true.
+  value = or_<false_, true_>::value;
+  EXPECT_TRUE(value);
+  // No || No == false.
+  value = or_<false_, false_>::value;
+  EXPECT_FALSE(value);
+}
+
+TEST(TemplateUtilTest, TestIdentity) {
+  EXPECT_TRUE(
+      (type_equals_<GOOGLE_NAMESPACE::identity_<int>::type, int>::value));
+  EXPECT_TRUE(
+      (type_equals_<GOOGLE_NAMESPACE::identity_<void>::type, void>::value));
+}
+
+}  // anonymous namespace
+}  // namespace internal
+}  // namespace protobuf
+}  // namespace google
diff --git a/common/protobuf-2.5.0/src/google/protobuf/stubs/type_traits.h b/common/protobuf-2.5.0/src/google/protobuf/stubs/type_traits.h
new file mode 100644
index 00000000..e41f5e6f
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/type_traits.h
@@ -0,0 +1,336 @@
+// Copyright (c) 2006, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// ----
+// Author: Matt Austern
+//
+// This code is compiled directly on many platforms, including client
+// platforms like Windows, Mac, and embedded systems.  Before making
+// any changes here, make sure that you're not breaking any platforms.
+//
+// Define a small subset of tr1 type traits. The traits we define are:
+//   is_integral
+//   is_floating_point
+//   is_pointer
+//   is_enum
+//   is_reference
+//   is_pod
+//   has_trivial_constructor
+//   has_trivial_copy
+//   has_trivial_assign
+//   has_trivial_destructor
+//   remove_const
+//   remove_volatile
+//   remove_cv
+//   remove_reference
+//   add_reference
+//   remove_pointer
+//   is_same
+//   is_convertible
+// We can add more type traits as required.
+
+#ifndef GOOGLE_PROTOBUF_TYPE_TRAITS_H_
+#define GOOGLE_PROTOBUF_TYPE_TRAITS_H_
+
+#include <utility>                  // For pair
+
+#include <google/protobuf/stubs/template_util.h>  // For true_type and false_type
+
+namespace google {
+namespace protobuf {
+namespace internal {
+
+template <class T> struct is_integral;
+template <class T> struct is_floating_point;
+template <class T> struct is_pointer;
+// MSVC can't compile this correctly, and neither can gcc 3.3.5 (at least)
+#if !defined(_MSC_VER) && !(defined(__GNUC__) && __GNUC__ <= 3)
+// is_enum uses is_convertible, which is not available on MSVC.
+template <class T> struct is_enum;
+#endif
+template <class T> struct is_reference;
+template <class T> struct is_pod;
+template <class T> struct has_trivial_constructor;
+template <class T> struct has_trivial_copy;
+template <class T> struct has_trivial_assign;
+template <class T> struct has_trivial_destructor;
+template <class T> struct remove_const;
+template <class T> struct remove_volatile;
+template <class T> struct remove_cv;
+template <class T> struct remove_reference;
+template <class T> struct add_reference;
+template <class T> struct remove_pointer;
+template <class T, class U> struct is_same;
+#if !defined(_MSC_VER) && !(defined(__GNUC__) && __GNUC__ <= 3)
+template <class From, class To> struct is_convertible;
+#endif
+
+// is_integral is false except for the built-in integer types. A
+// cv-qualified type is integral if and only if the underlying type is.
+template <class T> struct is_integral : false_type { };
+template<> struct is_integral<bool> : true_type { };
+template<> struct is_integral<char> : true_type { };
+template<> struct is_integral<unsigned char> : true_type { };
+template<> struct is_integral<signed char> : true_type { };
+#if defined(_MSC_VER)
+// wchar_t is not by default a distinct type from unsigned short in
+// Microsoft C.
+// See http://msdn2.microsoft.com/en-us/library/dh8che7s(VS.80).aspx
+template<> struct is_integral<__wchar_t> : true_type { };
+#else
+template<> struct is_integral<wchar_t> : true_type { };
+#endif
+template<> struct is_integral<short> : true_type { };
+template<> struct is_integral<unsigned short> : true_type { };
+template<> struct is_integral<int> : true_type { };
+template<> struct is_integral<unsigned int> : true_type { };
+template<> struct is_integral<long> : true_type { };
+template<> struct is_integral<unsigned long> : true_type { };
+#ifdef HAVE_LONG_LONG
+template<> struct is_integral<long long> : true_type { };
+template<> struct is_integral<unsigned long long> : true_type { };
+#endif
+template <class T> struct is_integral<const T> : is_integral<T> { };
+template <class T> struct is_integral<volatile T> : is_integral<T> { };
+template <class T> struct is_integral<const volatile T> : is_integral<T> { };
+
+// is_floating_point is false except for the built-in floating-point types.
+// A cv-qualified type is integral if and only if the underlying type is.
+template <class T> struct is_floating_point : false_type { };
+template<> struct is_floating_point<float> : true_type { };
+template<> struct is_floating_point<double> : true_type { };
+template<> struct is_floating_point<long double> : true_type { };
+template <class T> struct is_floating_point<const T>
+    : is_floating_point<T> { };
+template <class T> struct is_floating_point<volatile T>
+    : is_floating_point<T> { };
+template <class T> struct is_floating_point<const volatile T>
+    : is_floating_point<T> { };
+
+// is_pointer is false except for pointer types. A cv-qualified type (e.g.
+// "int* const", as opposed to "int const*") is cv-qualified if and only if
+// the underlying type is.
+template <class T> struct is_pointer : false_type { };
+template <class T> struct is_pointer<T*> : true_type { };
+template <class T> struct is_pointer<const T> : is_pointer<T> { };
+template <class T> struct is_pointer<volatile T> : is_pointer<T> { };
+template <class T> struct is_pointer<const volatile T> : is_pointer<T> { };
+
+#if !defined(_MSC_VER) && !(defined(__GNUC__) && __GNUC__ <= 3)
+
+namespace internal {
+
+template <class T> struct is_class_or_union {
+  template <class U> static small_ tester(void (U::*)());
+  template <class U> static big_ tester(...);
+  static const bool value = sizeof(tester<T>(0)) == sizeof(small_);
+};
+
+// is_convertible chokes if the first argument is an array. That's why
+// we use add_reference here.
+template <bool NotUnum, class T> struct is_enum_impl
+    : is_convertible<typename add_reference<T>::type, int> { };
+
+template <class T> struct is_enum_impl<true, T> : false_type { };
+
+}  // namespace internal
+
+// Specified by TR1 [4.5.1] primary type categories.
+
+// Implementation note:
+//
+// Each type is either void, integral, floating point, array, pointer,
+// reference, member object pointer, member function pointer, enum,
+// union or class. Out of these, only integral, floating point, reference,
+// class and enum types are potentially convertible to int. Therefore,
+// if a type is not a reference, integral, floating point or class and
+// is convertible to int, it's a enum. Adding cv-qualification to a type
+// does not change whether it's an enum.
+//
+// Is-convertible-to-int check is done only if all other checks pass,
+// because it can't be used with some types (e.g. void or classes with
+// inaccessible conversion operators).
+template <class T> struct is_enum
+    : internal::is_enum_impl<
+          is_same<T, void>::value ||
+              is_integral<T>::value ||
+              is_floating_point<T>::value ||
+              is_reference<T>::value ||
+              internal::is_class_or_union<T>::value,
+          T> { };
+
+template <class T> struct is_enum<const T> : is_enum<T> { };
+template <class T> struct is_enum<volatile T> : is_enum<T> { };
+template <class T> struct is_enum<const volatile T> : is_enum<T> { };
+
+#endif
+
+// is_reference is false except for reference types.
+template<typename T> struct is_reference : false_type {};
+template<typename T> struct is_reference<T&> : true_type {};
+
+
+// We can't get is_pod right without compiler help, so fail conservatively.
+// We will assume it's false except for arithmetic types, enumerations,
+// pointers and cv-qualified versions thereof. Note that std::pair<T,U>
+// is not a POD even if T and U are PODs.
+template <class T> struct is_pod
+ : integral_constant<bool, (is_integral<T>::value ||
+                            is_floating_point<T>::value ||
+#if !defined(_MSC_VER) && !(defined(__GNUC__) && __GNUC__ <= 3)
+                            // is_enum is not available on MSVC.
+                            is_enum<T>::value ||
+#endif
+                            is_pointer<T>::value)> { };
+template <class T> struct is_pod<const T> : is_pod<T> { };
+template <class T> struct is_pod<volatile T> : is_pod<T> { };
+template <class T> struct is_pod<const volatile T> : is_pod<T> { };
+
+
+// We can't get has_trivial_constructor right without compiler help, so
+// fail conservatively. We will assume it's false except for: (1) types
+// for which is_pod is true. (2) std::pair of types with trivial
+// constructors. (3) array of a type with a trivial constructor.
+// (4) const versions thereof.
+template <class T> struct has_trivial_constructor : is_pod<T> { };
+template <class T, class U> struct has_trivial_constructor<std::pair<T, U> >
+  : integral_constant<bool,
+                      (has_trivial_constructor<T>::value &&
+                       has_trivial_constructor<U>::value)> { };
+template <class A, int N> struct has_trivial_constructor<A[N]>
+  : has_trivial_constructor<A> { };
+template <class T> struct has_trivial_constructor<const T>
+  : has_trivial_constructor<T> { };
+
+// We can't get has_trivial_copy right without compiler help, so fail
+// conservatively. We will assume it's false except for: (1) types
+// for which is_pod is true. (2) std::pair of types with trivial copy
+// constructors. (3) array of a type with a trivial copy constructor.
+// (4) const versions thereof.
+template <class T> struct has_trivial_copy : is_pod<T> { };
+template <class T, class U> struct has_trivial_copy<std::pair<T, U> >
+  : integral_constant<bool,
+                      (has_trivial_copy<T>::value &&
+                       has_trivial_copy<U>::value)> { };
+template <class A, int N> struct has_trivial_copy<A[N]>
+  : has_trivial_copy<A> { };
+template <class T> struct has_trivial_copy<const T> : has_trivial_copy<T> { };
+
+// We can't get has_trivial_assign right without compiler help, so fail
+// conservatively. We will assume it's false except for: (1) types
+// for which is_pod is true. (2) std::pair of types with trivial copy
+// constructors. (3) array of a type with a trivial assign constructor.
+template <class T> struct has_trivial_assign : is_pod<T> { };
+template <class T, class U> struct has_trivial_assign<std::pair<T, U> >
+  : integral_constant<bool,
+                      (has_trivial_assign<T>::value &&
+                       has_trivial_assign<U>::value)> { };
+template <class A, int N> struct has_trivial_assign<A[N]>
+  : has_trivial_assign<A> { };
+
+// We can't get has_trivial_destructor right without compiler help, so
+// fail conservatively. We will assume it's false except for: (1) types
+// for which is_pod is true. (2) std::pair of types with trivial
+// destructors. (3) array of a type with a trivial destructor.
+// (4) const versions thereof.
+template <class T> struct has_trivial_destructor : is_pod<T> { };
+template <class T, class U> struct has_trivial_destructor<std::pair<T, U> >
+  : integral_constant<bool,
+                      (has_trivial_destructor<T>::value &&
+                       has_trivial_destructor<U>::value)> { };
+template <class A, int N> struct has_trivial_destructor<A[N]>
+  : has_trivial_destructor<A> { };
+template <class T> struct has_trivial_destructor<const T>
+  : has_trivial_destructor<T> { };
+
+// Specified by TR1 [4.7.1]
+template<typename T> struct remove_const { typedef T type; };
+template<typename T> struct remove_const<T const> { typedef T type; };
+template<typename T> struct remove_volatile { typedef T type; };
+template<typename T> struct remove_volatile<T volatile> { typedef T type; };
+template<typename T> struct remove_cv {
+  typedef typename remove_const<typename remove_volatile<T>::type>::type type;
+};
+
+
+// Specified by TR1 [4.7.2] Reference modifications.
+template<typename T> struct remove_reference { typedef T type; };
+template<typename T> struct remove_reference<T&> { typedef T type; };
+
+template <typename T> struct add_reference { typedef T& type; };
+template <typename T> struct add_reference<T&> { typedef T& type; };
+
+// Specified by TR1 [4.7.4] Pointer modifications.
+template<typename T> struct remove_pointer { typedef T type; };
+template<typename T> struct remove_pointer<T*> { typedef T type; };
+template<typename T> struct remove_pointer<T* const> { typedef T type; };
+template<typename T> struct remove_pointer<T* volatile> { typedef T type; };
+template<typename T> struct remove_pointer<T* const volatile> {
+  typedef T type; };
+
+// Specified by TR1 [4.6] Relationships between types
+template<typename T, typename U> struct is_same : public false_type { };
+template<typename T> struct is_same<T, T> : public true_type { };
+
+// Specified by TR1 [4.6] Relationships between types
+#if !defined(_MSC_VER) && !(defined(__GNUC__) && __GNUC__ <= 3)
+namespace internal {
+
+// This class is an implementation detail for is_convertible, and you
+// don't need to know how it works to use is_convertible. For those
+// who care: we declare two different functions, one whose argument is
+// of type To and one with a variadic argument list. We give them
+// return types of different size, so we can use sizeof to trick the
+// compiler into telling us which function it would have chosen if we
+// had called it with an argument of type From.  See Alexandrescu's
+// _Modern C++ Design_ for more details on this sort of trick.
+
+template <typename From, typename To>
+struct ConvertHelper {
+  static small_ Test(To);
+  static big_ Test(...);
+  static From Create();
+};
+}  // namespace internal
+
+// Inherits from true_type if From is convertible to To, false_type otherwise.
+template <typename From, typename To>
+struct is_convertible
+    : integral_constant<bool,
+                        sizeof(internal::ConvertHelper<From, To>::Test(
+                                  internal::ConvertHelper<From, To>::Create()))
+                        == sizeof(small_)> {
+};
+#endif
+
+}  // namespace internal
+}  // namespace protobuf
+}  // namespace google
+
+#endif  // GOOGLE_PROTOBUF_TYPE_TRAITS_H_
diff --git a/common/protobuf-2.5.0/src/google/protobuf/stubs/type_traits_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/stubs/type_traits_unittest.cc
new file mode 100644
index 00000000..7a8cbfb8
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/stubs/type_traits_unittest.cc
@@ -0,0 +1,628 @@
+// Copyright (c) 2006, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// ----
+// Author: Matt Austern
+
+#include <google/protobuf/stubs/type_traits.h>
+
+#include <stdlib.h>   // for exit()
+#include <stdio.h>
+#include <string>
+#include <vector>
+
+#include <google/protobuf/testing/googletest.h>
+#include <gtest/gtest.h>
+
+typedef int int32;
+typedef long int64;
+
+using std::string;
+using std::vector;
+using std::pair;
+
+
+// This assertion produces errors like "error: invalid use of
+// incomplete type 'struct <unnamed>::AssertTypesEq<const int, int>'"
+// when it fails.
+template<typename T, typename U> struct AssertTypesEq;
+template<typename T> struct AssertTypesEq<T, T> {};
+#define COMPILE_ASSERT_TYPES_EQ(T, U) static_cast<void>(AssertTypesEq<T, U>())
+
+// A user-defined POD type.
+struct A {
+  int n_;
+};
+
+// A user-defined non-POD type with a trivial copy constructor.
+class B {
+ public:
+  explicit B(int n) : n_(n) { }
+ private:
+  int n_;
+};
+
+// Another user-defined non-POD type with a trivial copy constructor.
+// We will explicitly declare C to have a trivial copy constructor
+// by specializing has_trivial_copy.
+class C {
+ public:
+  explicit C(int n) : n_(n) { }
+ private:
+  int n_;
+};
+
+namespace google {
+namespace protobuf {
+namespace internal {
+template<> struct has_trivial_copy<C> : true_type { };
+}  // namespace internal
+}  // namespace protobuf
+}  // namespace google
+
+// Another user-defined non-POD type with a trivial assignment operator.
+// We will explicitly declare C to have a trivial assignment operator
+// by specializing has_trivial_assign.
+class D {
+ public:
+  explicit D(int n) : n_(n) { }
+ private:
+  int n_;
+};
+
+namespace google {
+namespace protobuf {
+namespace internal {
+template<> struct has_trivial_assign<D> : true_type { };
+}  // namespace internal
+}  // namespace protobuf
+}  // namespace google
+
+// Another user-defined non-POD type with a trivial constructor.
+// We will explicitly declare E to have a trivial constructor
+// by specializing has_trivial_constructor.
+class E {
+ public:
+  int n_;
+};
+
+namespace google {
+namespace protobuf {
+namespace internal {
+template<> struct has_trivial_constructor<E> : true_type { };
+}  // namespace internal
+}  // namespace protobuf
+}  // namespace google
+
+// Another user-defined non-POD type with a trivial destructor.
+// We will explicitly declare E to have a trivial destructor
+// by specializing has_trivial_destructor.
+class F {
+ public:
+  explicit F(int n) : n_(n) { }
+ private:
+  int n_;
+};
+
+namespace google {
+namespace protobuf {
+namespace internal {
+template<> struct has_trivial_destructor<F> : true_type { };
+}  // namespace internal
+}  // namespace protobuf
+}  // namespace google
+
+enum G {};
+
+union H {};
+
+class I {
+ public:
+  operator int() const;
+};
+
+class J {
+ private:
+  operator int() const;
+};
+
+namespace google {
+namespace protobuf {
+namespace internal {
+namespace {
+
+// A base class and a derived class that inherits from it, used for
+// testing conversion type traits.
+class Base {
+ public:
+  virtual ~Base() { }
+};
+
+class Derived : public Base {
+};
+
+TEST(TypeTraitsTest, TestIsInteger) {
+  // Verify that is_integral is true for all integer types.
+  EXPECT_TRUE(is_integral<bool>::value);
+  EXPECT_TRUE(is_integral<char>::value);
+  EXPECT_TRUE(is_integral<unsigned char>::value);
+  EXPECT_TRUE(is_integral<signed char>::value);
+  EXPECT_TRUE(is_integral<wchar_t>::value);
+  EXPECT_TRUE(is_integral<int>::value);
+  EXPECT_TRUE(is_integral<unsigned int>::value);
+  EXPECT_TRUE(is_integral<short>::value);
+  EXPECT_TRUE(is_integral<unsigned short>::value);
+  EXPECT_TRUE(is_integral<long>::value);
+  EXPECT_TRUE(is_integral<unsigned long>::value);
+
+  // Verify that is_integral is false for a few non-integer types.
+  EXPECT_FALSE(is_integral<void>::value);
+  EXPECT_FALSE(is_integral<float>::value);
+  EXPECT_FALSE(is_integral<string>::value);
+  EXPECT_FALSE(is_integral<int*>::value);
+  EXPECT_FALSE(is_integral<A>::value);
+  EXPECT_FALSE((is_integral<pair<int, int> >::value));
+
+  // Verify that cv-qualified integral types are still integral, and
+  // cv-qualified non-integral types are still non-integral.
+  EXPECT_TRUE(is_integral<const char>::value);
+  EXPECT_TRUE(is_integral<volatile bool>::value);
+  EXPECT_TRUE(is_integral<const volatile unsigned int>::value);
+  EXPECT_FALSE(is_integral<const float>::value);
+  EXPECT_FALSE(is_integral<int* volatile>::value);
+  EXPECT_FALSE(is_integral<const volatile string>::value);
+}
+
+TEST(TypeTraitsTest, TestIsFloating) {
+  // Verify that is_floating_point is true for all floating-point types.
+  EXPECT_TRUE(is_floating_point<float>::value);
+  EXPECT_TRUE(is_floating_point<double>::value);
+  EXPECT_TRUE(is_floating_point<long double>::value);
+
+  // Verify that is_floating_point is false for a few non-float types.
+  EXPECT_FALSE(is_floating_point<void>::value);
+  EXPECT_FALSE(is_floating_point<long>::value);
+  EXPECT_FALSE(is_floating_point<string>::value);
+  EXPECT_FALSE(is_floating_point<float*>::value);
+  EXPECT_FALSE(is_floating_point<A>::value);
+  EXPECT_FALSE((is_floating_point<pair<int, int> >::value));
+
+  // Verify that cv-qualified floating point types are still floating, and
+  // cv-qualified non-floating types are still non-floating.
+  EXPECT_TRUE(is_floating_point<const float>::value);
+  EXPECT_TRUE(is_floating_point<volatile double>::value);
+  EXPECT_TRUE(is_floating_point<const volatile long double>::value);
+  EXPECT_FALSE(is_floating_point<const int>::value);
+  EXPECT_FALSE(is_floating_point<volatile string>::value);
+  EXPECT_FALSE(is_floating_point<const volatile char>::value);
+}
+
+TEST(TypeTraitsTest, TestIsPointer) {
+  // Verify that is_pointer is true for some pointer types.
+  EXPECT_TRUE(is_pointer<int*>::value);
+  EXPECT_TRUE(is_pointer<void*>::value);
+  EXPECT_TRUE(is_pointer<string*>::value);
+  EXPECT_TRUE(is_pointer<const void*>::value);
+  EXPECT_TRUE(is_pointer<volatile float* const*>::value);
+
+  // Verify that is_pointer is false for some non-pointer types.
+  EXPECT_FALSE(is_pointer<void>::value);
+  EXPECT_FALSE(is_pointer<float&>::value);
+  EXPECT_FALSE(is_pointer<long>::value);
+  EXPECT_FALSE(is_pointer<vector<int*> >::value);
+  EXPECT_FALSE(is_pointer<int[5]>::value);
+
+  // A function pointer is a pointer, but a function type, or a function
+  // reference type, is not.
+  EXPECT_TRUE(is_pointer<int (*)(int x)>::value);
+  EXPECT_FALSE(is_pointer<void(char x)>::value);
+  EXPECT_FALSE(is_pointer<double (&)(string x)>::value);
+
+  // Verify that is_pointer<T> is true for some cv-qualified pointer types,
+  // and false for some cv-qualified non-pointer types.
+  EXPECT_TRUE(is_pointer<int* const>::value);
+  EXPECT_TRUE(is_pointer<const void* volatile>::value);
+  EXPECT_TRUE(is_pointer<char** const volatile>::value);
+  EXPECT_FALSE(is_pointer<const int>::value);
+  EXPECT_FALSE(is_pointer<volatile vector<int*> >::value);
+  EXPECT_FALSE(is_pointer<const volatile double>::value);
+}
+
+TEST(TypeTraitsTest, TestIsEnum) {
+// is_enum isn't supported on MSVC or gcc 3.x
+#if !defined(_MSC_VER) && !(defined(__GNUC__) && __GNUC__ <= 3)
+  // Verify that is_enum is true for enum types.
+  EXPECT_TRUE(is_enum<G>::value);
+  EXPECT_TRUE(is_enum<const G>::value);
+  EXPECT_TRUE(is_enum<volatile G>::value);
+  EXPECT_TRUE(is_enum<const volatile G>::value);
+
+  // Verify that is_enum is false for a few non-enum types.
+  EXPECT_FALSE(is_enum<void>::value);
+  EXPECT_FALSE(is_enum<G&>::value);
+  EXPECT_FALSE(is_enum<G[1]>::value);
+  EXPECT_FALSE(is_enum<const G[1]>::value);
+  EXPECT_FALSE(is_enum<G[]>::value);
+  EXPECT_FALSE(is_enum<int>::value);
+  EXPECT_FALSE(is_enum<float>::value);
+  EXPECT_FALSE(is_enum<A>::value);
+  EXPECT_FALSE(is_enum<A*>::value);
+  EXPECT_FALSE(is_enum<const A>::value);
+  EXPECT_FALSE(is_enum<H>::value);
+  EXPECT_FALSE(is_enum<I>::value);
+  EXPECT_FALSE(is_enum<J>::value);
+  EXPECT_FALSE(is_enum<void()>::value);
+  EXPECT_FALSE(is_enum<void(*)()>::value);
+  EXPECT_FALSE(is_enum<int A::*>::value);
+  EXPECT_FALSE(is_enum<void (A::*)()>::value);
+#endif
+}
+
+TEST(TypeTraitsTest, TestIsReference) {
+  // Verifies that is_reference is true for all reference types.
+  typedef float& RefFloat;
+  EXPECT_TRUE(is_reference<float&>::value);
+  EXPECT_TRUE(is_reference<const int&>::value);
+  EXPECT_TRUE(is_reference<const int*&>::value);
+  EXPECT_TRUE(is_reference<int (&)(bool)>::value);
+  EXPECT_TRUE(is_reference<RefFloat>::value);
+  EXPECT_TRUE(is_reference<const RefFloat>::value);
+  EXPECT_TRUE(is_reference<volatile RefFloat>::value);
+  EXPECT_TRUE(is_reference<const volatile RefFloat>::value);
+
+
+  // Verifies that is_reference is false for all non-reference types.
+  EXPECT_FALSE(is_reference<float>::value);
+  EXPECT_FALSE(is_reference<const float>::value);
+  EXPECT_FALSE(is_reference<volatile float>::value);
+  EXPECT_FALSE(is_reference<const volatile float>::value);
+  EXPECT_FALSE(is_reference<const int*>::value);
+  EXPECT_FALSE(is_reference<int()>::value);
+  EXPECT_FALSE(is_reference<void(*)(const char&)>::value);
+}
+
+TEST(TypeTraitsTest, TestAddReference) {
+  COMPILE_ASSERT_TYPES_EQ(int&, add_reference<int>::type);
+  COMPILE_ASSERT_TYPES_EQ(const int&, add_reference<const int>::type);
+  COMPILE_ASSERT_TYPES_EQ(volatile int&,
+                          add_reference<volatile int>::type);
+  COMPILE_ASSERT_TYPES_EQ(const volatile int&,
+                          add_reference<const volatile int>::type);
+  COMPILE_ASSERT_TYPES_EQ(int&, add_reference<int&>::type);
+  COMPILE_ASSERT_TYPES_EQ(const int&, add_reference<const int&>::type);
+  COMPILE_ASSERT_TYPES_EQ(volatile int&,
+                          add_reference<volatile int&>::type);
+  COMPILE_ASSERT_TYPES_EQ(const volatile int&,
+                          add_reference<const volatile int&>::type);
+}
+
+TEST(TypeTraitsTest, TestIsPod) {
+  // Verify that arithmetic types and pointers are marked as PODs.
+  EXPECT_TRUE(is_pod<bool>::value);
+  EXPECT_TRUE(is_pod<char>::value);
+  EXPECT_TRUE(is_pod<unsigned char>::value);
+  EXPECT_TRUE(is_pod<signed char>::value);
+  EXPECT_TRUE(is_pod<wchar_t>::value);
+  EXPECT_TRUE(is_pod<int>::value);
+  EXPECT_TRUE(is_pod<unsigned int>::value);
+  EXPECT_TRUE(is_pod<short>::value);
+  EXPECT_TRUE(is_pod<unsigned short>::value);
+  EXPECT_TRUE(is_pod<long>::value);
+  EXPECT_TRUE(is_pod<unsigned long>::value);
+  EXPECT_TRUE(is_pod<float>::value);
+  EXPECT_TRUE(is_pod<double>::value);
+  EXPECT_TRUE(is_pod<long double>::value);
+  EXPECT_TRUE(is_pod<string*>::value);
+  EXPECT_TRUE(is_pod<A*>::value);
+  EXPECT_TRUE(is_pod<const B*>::value);
+  EXPECT_TRUE(is_pod<C**>::value);
+  EXPECT_TRUE(is_pod<const int>::value);
+  EXPECT_TRUE(is_pod<char* volatile>::value);
+  EXPECT_TRUE(is_pod<const volatile double>::value);
+#if !defined(_MSC_VER) && !(defined(__GNUC__) && __GNUC__ <= 3)
+  EXPECT_TRUE(is_pod<G>::value);
+  EXPECT_TRUE(is_pod<const G>::value);
+  EXPECT_TRUE(is_pod<volatile G>::value);
+  EXPECT_TRUE(is_pod<const volatile G>::value);
+#endif
+
+  // Verify that some non-POD types are not marked as PODs.
+  EXPECT_FALSE(is_pod<void>::value);
+  EXPECT_FALSE(is_pod<string>::value);
+  EXPECT_FALSE((is_pod<pair<int, int> >::value));
+  EXPECT_FALSE(is_pod<A>::value);
+  EXPECT_FALSE(is_pod<B>::value);
+  EXPECT_FALSE(is_pod<C>::value);
+  EXPECT_FALSE(is_pod<const string>::value);
+  EXPECT_FALSE(is_pod<volatile A>::value);
+  EXPECT_FALSE(is_pod<const volatile B>::value);
+}
+
+TEST(TypeTraitsTest, TestHasTrivialConstructor) {
+  // Verify that arithmetic types and pointers have trivial constructors.
+  EXPECT_TRUE(has_trivial_constructor<bool>::value);
+  EXPECT_TRUE(has_trivial_constructor<char>::value);
+  EXPECT_TRUE(has_trivial_constructor<unsigned char>::value);
+  EXPECT_TRUE(has_trivial_constructor<signed char>::value);
+  EXPECT_TRUE(has_trivial_constructor<wchar_t>::value);
+  EXPECT_TRUE(has_trivial_constructor<int>::value);
+  EXPECT_TRUE(has_trivial_constructor<unsigned int>::value);
+  EXPECT_TRUE(has_trivial_constructor<short>::value);
+  EXPECT_TRUE(has_trivial_constructor<unsigned short>::value);
+  EXPECT_TRUE(has_trivial_constructor<long>::value);
+  EXPECT_TRUE(has_trivial_constructor<unsigned long>::value);
+  EXPECT_TRUE(has_trivial_constructor<float>::value);
+  EXPECT_TRUE(has_trivial_constructor<double>::value);
+  EXPECT_TRUE(has_trivial_constructor<long double>::value);
+  EXPECT_TRUE(has_trivial_constructor<string*>::value);
+  EXPECT_TRUE(has_trivial_constructor<A*>::value);
+  EXPECT_TRUE(has_trivial_constructor<const B*>::value);
+  EXPECT_TRUE(has_trivial_constructor<C**>::value);
+
+  // Verify that pairs and arrays of such types have trivial
+  // constructors.
+  typedef int int10[10];
+  EXPECT_TRUE((has_trivial_constructor<pair<int, char*> >::value));
+  EXPECT_TRUE(has_trivial_constructor<int10>::value);
+
+  // Verify that pairs of types without trivial constructors
+  // are not marked as trivial.
+  EXPECT_FALSE((has_trivial_constructor<pair<int, string> >::value));
+  EXPECT_FALSE((has_trivial_constructor<pair<string, int> >::value));
+
+  // Verify that types without trivial constructors are
+  // correctly marked as such.
+  EXPECT_FALSE(has_trivial_constructor<string>::value);
+  EXPECT_FALSE(has_trivial_constructor<vector<int> >::value);
+
+  // Verify that E, which we have declared to have a trivial
+  // constructor, is correctly marked as such.
+  EXPECT_TRUE(has_trivial_constructor<E>::value);
+}
+
+TEST(TypeTraitsTest, TestHasTrivialCopy) {
+  // Verify that arithmetic types and pointers have trivial copy
+  // constructors.
+  EXPECT_TRUE(has_trivial_copy<bool>::value);
+  EXPECT_TRUE(has_trivial_copy<char>::value);
+  EXPECT_TRUE(has_trivial_copy<unsigned char>::value);
+  EXPECT_TRUE(has_trivial_copy<signed char>::value);
+  EXPECT_TRUE(has_trivial_copy<wchar_t>::value);
+  EXPECT_TRUE(has_trivial_copy<int>::value);
+  EXPECT_TRUE(has_trivial_copy<unsigned int>::value);
+  EXPECT_TRUE(has_trivial_copy<short>::value);
+  EXPECT_TRUE(has_trivial_copy<unsigned short>::value);
+  EXPECT_TRUE(has_trivial_copy<long>::value);
+  EXPECT_TRUE(has_trivial_copy<unsigned long>::value);
+  EXPECT_TRUE(has_trivial_copy<float>::value);
+  EXPECT_TRUE(has_trivial_copy<double>::value);
+  EXPECT_TRUE(has_trivial_copy<long double>::value);
+  EXPECT_TRUE(has_trivial_copy<string*>::value);
+  EXPECT_TRUE(has_trivial_copy<A*>::value);
+  EXPECT_TRUE(has_trivial_copy<const B*>::value);
+  EXPECT_TRUE(has_trivial_copy<C**>::value);
+
+  // Verify that pairs and arrays of such types have trivial
+  // copy constructors.
+  typedef int int10[10];
+  EXPECT_TRUE((has_trivial_copy<pair<int, char*> >::value));
+  EXPECT_TRUE(has_trivial_copy<int10>::value);
+
+  // Verify that pairs of types without trivial copy constructors
+  // are not marked as trivial.
+  EXPECT_FALSE((has_trivial_copy<pair<int, string> >::value));
+  EXPECT_FALSE((has_trivial_copy<pair<string, int> >::value));
+
+  // Verify that types without trivial copy constructors are
+  // correctly marked as such.
+  EXPECT_FALSE(has_trivial_copy<string>::value);
+  EXPECT_FALSE(has_trivial_copy<vector<int> >::value);
+
+  // Verify that C, which we have declared to have a trivial
+  // copy constructor, is correctly marked as such.
+  EXPECT_TRUE(has_trivial_copy<C>::value);
+}
+
+TEST(TypeTraitsTest, TestHasTrivialAssign) {
+  // Verify that arithmetic types and pointers have trivial assignment
+  // operators.
+  EXPECT_TRUE(has_trivial_assign<bool>::value);
+  EXPECT_TRUE(has_trivial_assign<char>::value);
+  EXPECT_TRUE(has_trivial_assign<unsigned char>::value);
+  EXPECT_TRUE(has_trivial_assign<signed char>::value);
+  EXPECT_TRUE(has_trivial_assign<wchar_t>::value);
+  EXPECT_TRUE(has_trivial_assign<int>::value);
+  EXPECT_TRUE(has_trivial_assign<unsigned int>::value);
+  EXPECT_TRUE(has_trivial_assign<short>::value);
+  EXPECT_TRUE(has_trivial_assign<unsigned short>::value);
+  EXPECT_TRUE(has_trivial_assign<long>::value);
+  EXPECT_TRUE(has_trivial_assign<unsigned long>::value);
+  EXPECT_TRUE(has_trivial_assign<float>::value);
+  EXPECT_TRUE(has_trivial_assign<double>::value);
+  EXPECT_TRUE(has_trivial_assign<long double>::value);
+  EXPECT_TRUE(has_trivial_assign<string*>::value);
+  EXPECT_TRUE(has_trivial_assign<A*>::value);
+  EXPECT_TRUE(has_trivial_assign<const B*>::value);
+  EXPECT_TRUE(has_trivial_assign<C**>::value);
+
+  // Verify that pairs and arrays of such types have trivial
+  // assignment operators.
+  typedef int int10[10];
+  EXPECT_TRUE((has_trivial_assign<pair<int, char*> >::value));
+  EXPECT_TRUE(has_trivial_assign<int10>::value);
+
+  // Verify that pairs of types without trivial assignment operators
+  // are not marked as trivial.
+  EXPECT_FALSE((has_trivial_assign<pair<int, string> >::value));
+  EXPECT_FALSE((has_trivial_assign<pair<string, int> >::value));
+
+  // Verify that types without trivial assignment operators are
+  // correctly marked as such.
+  EXPECT_FALSE(has_trivial_assign<string>::value);
+  EXPECT_FALSE(has_trivial_assign<vector<int> >::value);
+
+  // Verify that D, which we have declared to have a trivial
+  // assignment operator, is correctly marked as such.
+  EXPECT_TRUE(has_trivial_assign<D>::value);
+}
+
+TEST(TypeTraitsTest, TestHasTrivialDestructor) {
+  // Verify that arithmetic types and pointers have trivial destructors.
+  EXPECT_TRUE(has_trivial_destructor<bool>::value);
+  EXPECT_TRUE(has_trivial_destructor<char>::value);
+  EXPECT_TRUE(has_trivial_destructor<unsigned char>::value);
+  EXPECT_TRUE(has_trivial_destructor<signed char>::value);
+  EXPECT_TRUE(has_trivial_destructor<wchar_t>::value);
+  EXPECT_TRUE(has_trivial_destructor<int>::value);
+  EXPECT_TRUE(has_trivial_destructor<unsigned int>::value);
+  EXPECT_TRUE(has_trivial_destructor<short>::value);
+  EXPECT_TRUE(has_trivial_destructor<unsigned short>::value);
+  EXPECT_TRUE(has_trivial_destructor<long>::value);
+  EXPECT_TRUE(has_trivial_destructor<unsigned long>::value);
+  EXPECT_TRUE(has_trivial_destructor<float>::value);
+  EXPECT_TRUE(has_trivial_destructor<double>::value);
+  EXPECT_TRUE(has_trivial_destructor<long double>::value);
+  EXPECT_TRUE(has_trivial_destructor<string*>::value);
+  EXPECT_TRUE(has_trivial_destructor<A*>::value);
+  EXPECT_TRUE(has_trivial_destructor<const B*>::value);
+  EXPECT_TRUE(has_trivial_destructor<C**>::value);
+
+  // Verify that pairs and arrays of such types have trivial
+  // destructors.
+  typedef int int10[10];
+  EXPECT_TRUE((has_trivial_destructor<pair<int, char*> >::value));
+  EXPECT_TRUE(has_trivial_destructor<int10>::value);
+
+  // Verify that pairs of types without trivial destructors
+  // are not marked as trivial.
+  EXPECT_FALSE((has_trivial_destructor<pair<int, string> >::value));
+  EXPECT_FALSE((has_trivial_destructor<pair<string, int> >::value));
+
+  // Verify that types without trivial destructors are
+  // correctly marked as such.
+  EXPECT_FALSE(has_trivial_destructor<string>::value);
+  EXPECT_FALSE(has_trivial_destructor<vector<int> >::value);
+
+  // Verify that F, which we have declared to have a trivial
+  // destructor, is correctly marked as such.
+  EXPECT_TRUE(has_trivial_destructor<F>::value);
+}
+
+// Tests remove_pointer.
+TEST(TypeTraitsTest, TestRemovePointer) {
+  COMPILE_ASSERT_TYPES_EQ(int, remove_pointer<int>::type);
+  COMPILE_ASSERT_TYPES_EQ(int, remove_pointer<int*>::type);
+  COMPILE_ASSERT_TYPES_EQ(const int, remove_pointer<const int*>::type);
+  COMPILE_ASSERT_TYPES_EQ(int, remove_pointer<int* const>::type);
+  COMPILE_ASSERT_TYPES_EQ(int, remove_pointer<int* volatile>::type);
+}
+
+TEST(TypeTraitsTest, TestRemoveConst) {
+  COMPILE_ASSERT_TYPES_EQ(int, remove_const<int>::type);
+  COMPILE_ASSERT_TYPES_EQ(int, remove_const<const int>::type);
+  COMPILE_ASSERT_TYPES_EQ(int *, remove_const<int * const>::type);
+  // TR1 examples.
+  COMPILE_ASSERT_TYPES_EQ(const int *, remove_const<const int *>::type);
+  COMPILE_ASSERT_TYPES_EQ(volatile int,
+                          remove_const<const volatile int>::type);
+}
+
+TEST(TypeTraitsTest, TestRemoveVolatile) {
+  COMPILE_ASSERT_TYPES_EQ(int, remove_volatile<int>::type);
+  COMPILE_ASSERT_TYPES_EQ(int, remove_volatile<volatile int>::type);
+  COMPILE_ASSERT_TYPES_EQ(int *, remove_volatile<int * volatile>::type);
+  // TR1 examples.
+  COMPILE_ASSERT_TYPES_EQ(volatile int *,
+                          remove_volatile<volatile int *>::type);
+  COMPILE_ASSERT_TYPES_EQ(const int,
+                          remove_volatile<const volatile int>::type);
+}
+
+TEST(TypeTraitsTest, TestRemoveCV) {
+  COMPILE_ASSERT_TYPES_EQ(int, remove_cv<int>::type);
+  COMPILE_ASSERT_TYPES_EQ(int, remove_cv<volatile int>::type);
+  COMPILE_ASSERT_TYPES_EQ(int, remove_cv<const int>::type);
+  COMPILE_ASSERT_TYPES_EQ(int *, remove_cv<int * const volatile>::type);
+  // TR1 examples.
+  COMPILE_ASSERT_TYPES_EQ(const volatile int *,
+                          remove_cv<const volatile int *>::type);
+  COMPILE_ASSERT_TYPES_EQ(int,
+                          remove_cv<const volatile int>::type);
+}
+
+TEST(TypeTraitsTest, TestRemoveReference) {
+  COMPILE_ASSERT_TYPES_EQ(int, remove_reference<int>::type);
+  COMPILE_ASSERT_TYPES_EQ(int, remove_reference<int&>::type);
+  COMPILE_ASSERT_TYPES_EQ(const int, remove_reference<const int&>::type);
+  COMPILE_ASSERT_TYPES_EQ(int*, remove_reference<int * &>::type);
+}
+
+TEST(TypeTraitsTest, TestIsSame) {
+  EXPECT_TRUE((is_same<int32, int32>::value));
+  EXPECT_FALSE((is_same<int32, int64>::value));
+  EXPECT_FALSE((is_same<int64, int32>::value));
+  EXPECT_FALSE((is_same<int, const int>::value));
+
+  EXPECT_TRUE((is_same<void, void>::value));
+  EXPECT_FALSE((is_same<void, int>::value));
+  EXPECT_FALSE((is_same<int, void>::value));
+
+  EXPECT_TRUE((is_same<int*, int*>::value));
+  EXPECT_TRUE((is_same<void*, void*>::value));
+  EXPECT_FALSE((is_same<int*, void*>::value));
+  EXPECT_FALSE((is_same<void*, int*>::value));
+  EXPECT_FALSE((is_same<void*, const void*>::value));
+  EXPECT_FALSE((is_same<void*, void* const>::value));
+
+  EXPECT_TRUE((is_same<Base*, Base*>::value));
+  EXPECT_TRUE((is_same<Derived*, Derived*>::value));
+  EXPECT_FALSE((is_same<Base*, Derived*>::value));
+  EXPECT_FALSE((is_same<Derived*, Base*>::value));
+}
+
+TEST(TypeTraitsTest, TestConvertible) {
+#if !defined(_MSC_VER) && !(defined(__GNUC__) && __GNUC__ <= 3)
+  EXPECT_TRUE((is_convertible<int, int>::value));
+  EXPECT_TRUE((is_convertible<int, long>::value));
+  EXPECT_TRUE((is_convertible<long, int>::value));
+
+  EXPECT_TRUE((is_convertible<int*, void*>::value));
+  EXPECT_FALSE((is_convertible<void*, int*>::value));
+
+  EXPECT_TRUE((is_convertible<Derived*, Base*>::value));
+  EXPECT_FALSE((is_convertible<Base*, Derived*>::value));
+  EXPECT_TRUE((is_convertible<Derived*, const Base*>::value));
+  EXPECT_FALSE((is_convertible<const Derived*, Base*>::value));
+#endif
+}
+
+}  // anonymous namespace
+}  // namespace internal
+}  // namespace protobuf
+}  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/test_util.cc b/common/protobuf-2.5.0/src/google/protobuf/test_util.cc
similarity index 90%
rename from common/protobuf-2.3.0/src/google/protobuf/test_util.cc
rename to common/protobuf-2.5.0/src/google/protobuf/test_util.cc
index af8b3909..a9666fe4 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/test_util.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/test_util.cc
@@ -50,6 +50,13 @@ namespace google {
 namespace protobuf {
 
 void TestUtil::SetAllFields(unittest::TestAllTypes* message) {
+  SetOptionalFields(message);
+  AddRepeatedFields1(message);
+  AddRepeatedFields2(message);
+  SetDefaultFields(message);
+}
+
+void TestUtil::SetOptionalFields(unittest::TestAllTypes* message) {
   message->set_optional_int32   (101);
   message->set_optional_int64   (102);
   message->set_optional_uint32  (103);
@@ -66,10 +73,12 @@ void TestUtil::SetAllFields(unittest::TestAllTypes* message) {
   message->set_optional_string  ("115");
   message->set_optional_bytes   ("116");
 
-  message->mutable_optionalgroup           ()->set_a(117);
-  message->mutable_optional_nested_message ()->set_bb(118);
-  message->mutable_optional_foreign_message()->set_c(119);
-  message->mutable_optional_import_message ()->set_d(120);
+  message->mutable_optionalgroup                 ()->set_a(117);
+  message->mutable_optional_nested_message       ()->set_bb(118);
+  message->mutable_optional_foreign_message      ()->set_c(119);
+  message->mutable_optional_import_message       ()->set_d(120);
+  message->mutable_optional_public_import_message()->set_e(126);
+  message->mutable_optional_lazy_message         ()->set_bb(127);
 
   message->set_optional_nested_enum (unittest::TestAllTypes::BAZ);
   message->set_optional_foreign_enum(unittest::FOREIGN_BAZ      );
@@ -87,9 +96,11 @@ void TestUtil::SetAllFields(unittest::TestAllTypes* message) {
     message->GetDescriptor()->FindFieldByName("optional_cord"),
     "125");
 #endif  // !PROTOBUF_TEST_NO_DESCRIPTORS
+}
 
-  // -----------------------------------------------------------------
+// -------------------------------------------------------------------
 
+void TestUtil::AddRepeatedFields1(unittest::TestAllTypes* message) {
   message->add_repeated_int32   (201);
   message->add_repeated_int64   (202);
   message->add_repeated_uint32  (203);
@@ -110,6 +121,7 @@ void TestUtil::SetAllFields(unittest::TestAllTypes* message) {
   message->add_repeated_nested_message ()->set_bb(218);
   message->add_repeated_foreign_message()->set_c(219);
   message->add_repeated_import_message ()->set_d(220);
+  message->add_repeated_lazy_message   ()->set_bb(227);
 
   message->add_repeated_nested_enum (unittest::TestAllTypes::BAR);
   message->add_repeated_foreign_enum(unittest::FOREIGN_BAR      );
@@ -125,7 +137,9 @@ void TestUtil::SetAllFields(unittest::TestAllTypes* message) {
     message->GetDescriptor()->FindFieldByName("repeated_cord"),
     "225");
 #endif  // !PROTOBUF_TEST_NO_DESCRIPTORS
+}
 
+void TestUtil::AddRepeatedFields2(unittest::TestAllTypes* message) {
   // Add a second one of each field.
   message->add_repeated_int32   (301);
   message->add_repeated_int64   (302);
@@ -147,6 +161,7 @@ void TestUtil::SetAllFields(unittest::TestAllTypes* message) {
   message->add_repeated_nested_message ()->set_bb(318);
   message->add_repeated_foreign_message()->set_c(319);
   message->add_repeated_import_message ()->set_d(320);
+  message->add_repeated_lazy_message   ()->set_bb(327);
 
   message->add_repeated_nested_enum (unittest::TestAllTypes::BAZ);
   message->add_repeated_foreign_enum(unittest::FOREIGN_BAZ      );
@@ -162,9 +177,11 @@ void TestUtil::SetAllFields(unittest::TestAllTypes* message) {
     message->GetDescriptor()->FindFieldByName("repeated_cord"),
     "325");
 #endif  // !PROTOBUF_TEST_NO_DESCRIPTORS
+}
 
-  // -----------------------------------------------------------------
+// -------------------------------------------------------------------
 
+void TestUtil::SetDefaultFields(unittest::TestAllTypes* message) {
   message->set_default_int32   (401);
   message->set_default_int64   (402);
   message->set_default_uint32  (403);
@@ -220,6 +237,7 @@ void TestUtil::ModifyRepeatedFields(unittest::TestAllTypes* message) {
   message->mutable_repeated_nested_message (1)->set_bb(518);
   message->mutable_repeated_foreign_message(1)->set_c(519);
   message->mutable_repeated_import_message (1)->set_d(520);
+  message->mutable_repeated_lazy_message   (1)->set_bb(527);
 
   message->set_repeated_nested_enum (1, unittest::TestAllTypes::FOO);
   message->set_repeated_foreign_enum(1, unittest::FOREIGN_FOO      );
@@ -256,15 +274,19 @@ void TestUtil::ExpectAllFieldsSet(const unittest::TestAllTypes& message) {
   EXPECT_TRUE(message.has_optional_string  ());
   EXPECT_TRUE(message.has_optional_bytes   ());
 
-  EXPECT_TRUE(message.has_optionalgroup           ());
-  EXPECT_TRUE(message.has_optional_nested_message ());
-  EXPECT_TRUE(message.has_optional_foreign_message());
-  EXPECT_TRUE(message.has_optional_import_message ());
+  EXPECT_TRUE(message.has_optionalgroup                 ());
+  EXPECT_TRUE(message.has_optional_nested_message       ());
+  EXPECT_TRUE(message.has_optional_foreign_message      ());
+  EXPECT_TRUE(message.has_optional_import_message       ());
+  EXPECT_TRUE(message.has_optional_public_import_message());
+  EXPECT_TRUE(message.has_optional_lazy_message         ());
 
-  EXPECT_TRUE(message.optionalgroup           ().has_a());
-  EXPECT_TRUE(message.optional_nested_message ().has_bb());
-  EXPECT_TRUE(message.optional_foreign_message().has_c());
-  EXPECT_TRUE(message.optional_import_message ().has_d());
+  EXPECT_TRUE(message.optionalgroup                 ().has_a());
+  EXPECT_TRUE(message.optional_nested_message       ().has_bb());
+  EXPECT_TRUE(message.optional_foreign_message      ().has_c());
+  EXPECT_TRUE(message.optional_import_message       ().has_d());
+  EXPECT_TRUE(message.optional_public_import_message().has_e());
+  EXPECT_TRUE(message.optional_lazy_message         ().has_bb());
 
   EXPECT_TRUE(message.has_optional_nested_enum ());
   EXPECT_TRUE(message.has_optional_foreign_enum());
@@ -287,14 +309,16 @@ void TestUtil::ExpectAllFieldsSet(const unittest::TestAllTypes& message) {
   EXPECT_EQ(110  , message.optional_sfixed64());
   EXPECT_EQ(111  , message.optional_float   ());
   EXPECT_EQ(112  , message.optional_double  ());
-  EXPECT_EQ(true , message.optional_bool    ());
+  EXPECT_TRUE(     message.optional_bool    ());
   EXPECT_EQ("115", message.optional_string  ());
   EXPECT_EQ("116", message.optional_bytes   ());
 
-  EXPECT_EQ(117, message.optionalgroup           ().a());
-  EXPECT_EQ(118, message.optional_nested_message ().bb());
-  EXPECT_EQ(119, message.optional_foreign_message().c());
-  EXPECT_EQ(120, message.optional_import_message ().d());
+  EXPECT_EQ(117, message.optionalgroup                  ().a());
+  EXPECT_EQ(118, message.optional_nested_message        ().bb());
+  EXPECT_EQ(119, message.optional_foreign_message       ().c());
+  EXPECT_EQ(120, message.optional_import_message        ().d());
+  EXPECT_EQ(126, message.optional_public_import_message ().e());
+  EXPECT_EQ(127, message.optional_lazy_message          ().bb());
 
   EXPECT_EQ(unittest::TestAllTypes::BAZ, message.optional_nested_enum ());
   EXPECT_EQ(unittest::FOREIGN_BAZ      , message.optional_foreign_enum());
@@ -323,6 +347,7 @@ void TestUtil::ExpectAllFieldsSet(const unittest::TestAllTypes& message) {
   ASSERT_EQ(2, message.repeated_nested_message_size ());
   ASSERT_EQ(2, message.repeated_foreign_message_size());
   ASSERT_EQ(2, message.repeated_import_message_size ());
+  ASSERT_EQ(2, message.repeated_lazy_message_size   ());
   ASSERT_EQ(2, message.repeated_nested_enum_size    ());
   ASSERT_EQ(2, message.repeated_foreign_enum_size   ());
   ASSERT_EQ(2, message.repeated_import_enum_size    ());
@@ -344,7 +369,7 @@ void TestUtil::ExpectAllFieldsSet(const unittest::TestAllTypes& message) {
   EXPECT_EQ(210  , message.repeated_sfixed64(0));
   EXPECT_EQ(211  , message.repeated_float   (0));
   EXPECT_EQ(212  , message.repeated_double  (0));
-  EXPECT_EQ(true , message.repeated_bool    (0));
+  EXPECT_TRUE(     message.repeated_bool    (0));
   EXPECT_EQ("215", message.repeated_string  (0));
   EXPECT_EQ("216", message.repeated_bytes   (0));
 
@@ -352,6 +377,7 @@ void TestUtil::ExpectAllFieldsSet(const unittest::TestAllTypes& message) {
   EXPECT_EQ(218, message.repeated_nested_message (0).bb());
   EXPECT_EQ(219, message.repeated_foreign_message(0).c());
   EXPECT_EQ(220, message.repeated_import_message (0).d());
+  EXPECT_EQ(227, message.repeated_lazy_message   (0).bb());
 
 
   EXPECT_EQ(unittest::TestAllTypes::BAR, message.repeated_nested_enum (0));
@@ -370,7 +396,7 @@ void TestUtil::ExpectAllFieldsSet(const unittest::TestAllTypes& message) {
   EXPECT_EQ(310  , message.repeated_sfixed64(1));
   EXPECT_EQ(311  , message.repeated_float   (1));
   EXPECT_EQ(312  , message.repeated_double  (1));
-  EXPECT_EQ(false, message.repeated_bool    (1));
+  EXPECT_FALSE(    message.repeated_bool    (1));
   EXPECT_EQ("315", message.repeated_string  (1));
   EXPECT_EQ("316", message.repeated_bytes   (1));
 
@@ -378,6 +404,7 @@ void TestUtil::ExpectAllFieldsSet(const unittest::TestAllTypes& message) {
   EXPECT_EQ(318, message.repeated_nested_message (1).bb());
   EXPECT_EQ(319, message.repeated_foreign_message(1).c());
   EXPECT_EQ(320, message.repeated_import_message (1).d());
+  EXPECT_EQ(327, message.repeated_lazy_message   (1).bb());
 
   EXPECT_EQ(unittest::TestAllTypes::BAZ, message.repeated_nested_enum (1));
   EXPECT_EQ(unittest::FOREIGN_BAZ      , message.repeated_foreign_enum(1));
@@ -419,7 +446,7 @@ void TestUtil::ExpectAllFieldsSet(const unittest::TestAllTypes& message) {
   EXPECT_EQ(410  , message.default_sfixed64());
   EXPECT_EQ(411  , message.default_float   ());
   EXPECT_EQ(412  , message.default_double  ());
-  EXPECT_EQ(false, message.default_bool    ());
+  EXPECT_FALSE(    message.default_bool    ());
   EXPECT_EQ("415", message.default_string  ());
   EXPECT_EQ("416", message.default_bytes   ());
 
@@ -449,10 +476,12 @@ void TestUtil::ExpectClear(const unittest::TestAllTypes& message) {
   EXPECT_FALSE(message.has_optional_string  ());
   EXPECT_FALSE(message.has_optional_bytes   ());
 
-  EXPECT_FALSE(message.has_optionalgroup           ());
-  EXPECT_FALSE(message.has_optional_nested_message ());
-  EXPECT_FALSE(message.has_optional_foreign_message());
-  EXPECT_FALSE(message.has_optional_import_message ());
+  EXPECT_FALSE(message.has_optionalgroup                 ());
+  EXPECT_FALSE(message.has_optional_nested_message       ());
+  EXPECT_FALSE(message.has_optional_foreign_message      ());
+  EXPECT_FALSE(message.has_optional_import_message       ());
+  EXPECT_FALSE(message.has_optional_public_import_message());
+  EXPECT_FALSE(message.has_optional_lazy_message         ());
 
   EXPECT_FALSE(message.has_optional_nested_enum ());
   EXPECT_FALSE(message.has_optional_foreign_enum());
@@ -474,20 +503,24 @@ void TestUtil::ExpectClear(const unittest::TestAllTypes& message) {
   EXPECT_EQ(0    , message.optional_sfixed64());
   EXPECT_EQ(0    , message.optional_float   ());
   EXPECT_EQ(0    , message.optional_double  ());
-  EXPECT_EQ(false, message.optional_bool    ());
+  EXPECT_FALSE(    message.optional_bool    ());
   EXPECT_EQ(""   , message.optional_string  ());
   EXPECT_EQ(""   , message.optional_bytes   ());
 
   // Embedded messages should also be clear.
-  EXPECT_FALSE(message.optionalgroup           ().has_a());
-  EXPECT_FALSE(message.optional_nested_message ().has_bb());
-  EXPECT_FALSE(message.optional_foreign_message().has_c());
-  EXPECT_FALSE(message.optional_import_message ().has_d());
+  EXPECT_FALSE(message.optionalgroup                 ().has_a());
+  EXPECT_FALSE(message.optional_nested_message       ().has_bb());
+  EXPECT_FALSE(message.optional_foreign_message      ().has_c());
+  EXPECT_FALSE(message.optional_import_message       ().has_d());
+  EXPECT_FALSE(message.optional_public_import_message().has_e());
+  EXPECT_FALSE(message.optional_lazy_message         ().has_bb());
 
-  EXPECT_EQ(0, message.optionalgroup           ().a());
-  EXPECT_EQ(0, message.optional_nested_message ().bb());
-  EXPECT_EQ(0, message.optional_foreign_message().c());
-  EXPECT_EQ(0, message.optional_import_message ().d());
+  EXPECT_EQ(0, message.optionalgroup                 ().a());
+  EXPECT_EQ(0, message.optional_nested_message       ().bb());
+  EXPECT_EQ(0, message.optional_foreign_message      ().c());
+  EXPECT_EQ(0, message.optional_import_message       ().d());
+  EXPECT_EQ(0, message.optional_public_import_message().e());
+  EXPECT_EQ(0, message.optional_lazy_message         ().bb());
 
   // Enums without defaults are set to the first value in the enum.
   EXPECT_EQ(unittest::TestAllTypes::FOO, message.optional_nested_enum ());
@@ -516,6 +549,7 @@ void TestUtil::ExpectClear(const unittest::TestAllTypes& message) {
   EXPECT_EQ(0, message.repeated_nested_message_size ());
   EXPECT_EQ(0, message.repeated_foreign_message_size());
   EXPECT_EQ(0, message.repeated_import_message_size ());
+  EXPECT_EQ(0, message.repeated_lazy_message_size   ());
   EXPECT_EQ(0, message.repeated_nested_enum_size    ());
   EXPECT_EQ(0, message.repeated_foreign_enum_size   ());
   EXPECT_EQ(0, message.repeated_import_enum_size    ());
@@ -558,7 +592,7 @@ void TestUtil::ExpectClear(const unittest::TestAllTypes& message) {
   EXPECT_EQ(-50    , message.default_sfixed64());
   EXPECT_EQ( 51.5  , message.default_float   ());
   EXPECT_EQ( 52e3  , message.default_double  ());
-  EXPECT_EQ(true   , message.default_bool    ());
+  EXPECT_TRUE(       message.default_bool    ());
   EXPECT_EQ("hello", message.default_string  ());
   EXPECT_EQ("world", message.default_bytes   ());
 
@@ -595,6 +629,7 @@ void TestUtil::ExpectRepeatedFieldsModified(
   ASSERT_EQ(2, message.repeated_nested_message_size ());
   ASSERT_EQ(2, message.repeated_foreign_message_size());
   ASSERT_EQ(2, message.repeated_import_message_size ());
+  ASSERT_EQ(2, message.repeated_lazy_message_size   ());
   ASSERT_EQ(2, message.repeated_nested_enum_size    ());
   ASSERT_EQ(2, message.repeated_foreign_enum_size   ());
   ASSERT_EQ(2, message.repeated_import_enum_size    ());
@@ -616,7 +651,7 @@ void TestUtil::ExpectRepeatedFieldsModified(
   EXPECT_EQ(210  , message.repeated_sfixed64(0));
   EXPECT_EQ(211  , message.repeated_float   (0));
   EXPECT_EQ(212  , message.repeated_double  (0));
-  EXPECT_EQ(true , message.repeated_bool    (0));
+  EXPECT_TRUE(     message.repeated_bool    (0));
   EXPECT_EQ("215", message.repeated_string  (0));
   EXPECT_EQ("216", message.repeated_bytes   (0));
 
@@ -624,6 +659,7 @@ void TestUtil::ExpectRepeatedFieldsModified(
   EXPECT_EQ(218, message.repeated_nested_message (0).bb());
   EXPECT_EQ(219, message.repeated_foreign_message(0).c());
   EXPECT_EQ(220, message.repeated_import_message (0).d());
+  EXPECT_EQ(227, message.repeated_lazy_message   (0).bb());
 
   EXPECT_EQ(unittest::TestAllTypes::BAR, message.repeated_nested_enum (0));
   EXPECT_EQ(unittest::FOREIGN_BAR      , message.repeated_foreign_enum(0));
@@ -643,7 +679,7 @@ void TestUtil::ExpectRepeatedFieldsModified(
   EXPECT_EQ(510  , message.repeated_sfixed64(1));
   EXPECT_EQ(511  , message.repeated_float   (1));
   EXPECT_EQ(512  , message.repeated_double  (1));
-  EXPECT_EQ(true , message.repeated_bool    (1));
+  EXPECT_TRUE(     message.repeated_bool    (1));
   EXPECT_EQ("515", message.repeated_string  (1));
   EXPECT_EQ("516", message.repeated_bytes   (1));
 
@@ -651,6 +687,7 @@ void TestUtil::ExpectRepeatedFieldsModified(
   EXPECT_EQ(518, message.repeated_nested_message (1).bb());
   EXPECT_EQ(519, message.repeated_foreign_message(1).c());
   EXPECT_EQ(520, message.repeated_import_message (1).d());
+  EXPECT_EQ(527, message.repeated_lazy_message   (1).bb());
 
   EXPECT_EQ(unittest::TestAllTypes::FOO, message.repeated_nested_enum (1));
   EXPECT_EQ(unittest::FOREIGN_FOO      , message.repeated_foreign_enum(1));
@@ -775,7 +812,7 @@ void TestUtil::ExpectPackedFieldsSet(const unittest::TestPackedTypes& message) {
   EXPECT_EQ(610  , message.packed_sfixed64(0));
   EXPECT_EQ(611  , message.packed_float   (0));
   EXPECT_EQ(612  , message.packed_double  (0));
-  EXPECT_EQ(true , message.packed_bool    (0));
+  EXPECT_TRUE(     message.packed_bool    (0));
   EXPECT_EQ(unittest::FOREIGN_BAR, message.packed_enum(0));
 
   EXPECT_EQ(701  , message.packed_int32   (1));
@@ -790,7 +827,7 @@ void TestUtil::ExpectPackedFieldsSet(const unittest::TestPackedTypes& message) {
   EXPECT_EQ(710  , message.packed_sfixed64(1));
   EXPECT_EQ(711  , message.packed_float   (1));
   EXPECT_EQ(712  , message.packed_double  (1));
-  EXPECT_EQ(false, message.packed_bool    (1));
+  EXPECT_FALSE(    message.packed_bool    (1));
   EXPECT_EQ(unittest::FOREIGN_BAZ, message.packed_enum(1));
 }
 
@@ -825,7 +862,7 @@ void TestUtil::ExpectUnpackedFieldsSet(
   EXPECT_EQ(610  , message.unpacked_sfixed64(0));
   EXPECT_EQ(611  , message.unpacked_float   (0));
   EXPECT_EQ(612  , message.unpacked_double  (0));
-  EXPECT_EQ(true , message.unpacked_bool    (0));
+  EXPECT_TRUE(     message.unpacked_bool    (0));
   EXPECT_EQ(unittest::FOREIGN_BAR, message.unpacked_enum(0));
 
   EXPECT_EQ(701  , message.unpacked_int32   (1));
@@ -840,7 +877,7 @@ void TestUtil::ExpectUnpackedFieldsSet(
   EXPECT_EQ(710  , message.unpacked_sfixed64(1));
   EXPECT_EQ(711  , message.unpacked_float   (1));
   EXPECT_EQ(712  , message.unpacked_double  (1));
-  EXPECT_EQ(false, message.unpacked_bool    (1));
+  EXPECT_FALSE(    message.unpacked_bool    (1));
   EXPECT_EQ(unittest::FOREIGN_BAZ, message.unpacked_enum(1));
 }
 
@@ -897,7 +934,7 @@ void TestUtil::ExpectPackedFieldsModified(
   EXPECT_EQ(610  , message.packed_sfixed64(0));
   EXPECT_EQ(611  , message.packed_float   (0));
   EXPECT_EQ(612  , message.packed_double  (0));
-  EXPECT_EQ(true , message.packed_bool    (0));
+  EXPECT_TRUE(     message.packed_bool    (0));
   EXPECT_EQ(unittest::FOREIGN_BAR, message.packed_enum(0));
   // Actually verify the second (modified) elements now.
   EXPECT_EQ(801  , message.packed_int32   (1));
@@ -912,7 +949,7 @@ void TestUtil::ExpectPackedFieldsModified(
   EXPECT_EQ(810  , message.packed_sfixed64(1));
   EXPECT_EQ(811  , message.packed_float   (1));
   EXPECT_EQ(812  , message.packed_double  (1));
-  EXPECT_EQ(true , message.packed_bool    (1));
+  EXPECT_TRUE(     message.packed_bool    (1));
   EXPECT_EQ(unittest::FOREIGN_FOO, message.packed_enum(1));
 }
 
@@ -953,6 +990,9 @@ void TestUtil::SetAllExtensions(unittest::TestAllExtensions* message) {
   message->SetExtension(unittest::optional_string_piece_extension, "124");
   message->SetExtension(unittest::optional_cord_extension, "125");
 
+  message->MutableExtension(unittest::optional_public_import_message_extension)->set_e(126);
+  message->MutableExtension(unittest::optional_lazy_message_extension)->set_bb(127);
+
   // -----------------------------------------------------------------
 
   message->AddExtension(unittest::repeated_int32_extension   , 201);
@@ -975,6 +1015,7 @@ void TestUtil::SetAllExtensions(unittest::TestAllExtensions* message) {
   message->AddExtension(unittest::repeated_nested_message_extension )->set_bb(218);
   message->AddExtension(unittest::repeated_foreign_message_extension)->set_c(219);
   message->AddExtension(unittest::repeated_import_message_extension )->set_d(220);
+  message->AddExtension(unittest::repeated_lazy_message_extension   )->set_bb(227);
 
   message->AddExtension(unittest::repeated_nested_enum_extension , unittest::TestAllTypes::BAR);
   message->AddExtension(unittest::repeated_foreign_enum_extension, unittest::FOREIGN_BAR      );
@@ -1004,6 +1045,7 @@ void TestUtil::SetAllExtensions(unittest::TestAllExtensions* message) {
   message->AddExtension(unittest::repeated_nested_message_extension )->set_bb(318);
   message->AddExtension(unittest::repeated_foreign_message_extension)->set_c(319);
   message->AddExtension(unittest::repeated_import_message_extension )->set_d(320);
+  message->AddExtension(unittest::repeated_lazy_message_extension   )->set_bb(327);
 
   message->AddExtension(unittest::repeated_nested_enum_extension , unittest::TestAllTypes::BAZ);
   message->AddExtension(unittest::repeated_foreign_enum_extension, unittest::FOREIGN_BAZ      );
@@ -1073,6 +1115,7 @@ void TestUtil::ModifyRepeatedExtensions(unittest::TestAllExtensions* message) {
   message->MutableExtension(unittest::repeated_nested_message_extension , 1)->set_bb(518);
   message->MutableExtension(unittest::repeated_foreign_message_extension, 1)->set_c(519);
   message->MutableExtension(unittest::repeated_import_message_extension , 1)->set_d(520);
+  message->MutableExtension(unittest::repeated_lazy_message_extension   , 1)->set_bb(527);
 
   message->SetExtension(unittest::repeated_nested_enum_extension , 1, unittest::TestAllTypes::FOO);
   message->SetExtension(unittest::repeated_foreign_enum_extension, 1, unittest::FOREIGN_FOO      );
@@ -1102,15 +1145,19 @@ void TestUtil::ExpectAllExtensionsSet(
   EXPECT_TRUE(message.HasExtension(unittest::optional_string_extension  ));
   EXPECT_TRUE(message.HasExtension(unittest::optional_bytes_extension   ));
 
-  EXPECT_TRUE(message.HasExtension(unittest::optionalgroup_extension           ));
-  EXPECT_TRUE(message.HasExtension(unittest::optional_nested_message_extension ));
-  EXPECT_TRUE(message.HasExtension(unittest::optional_foreign_message_extension));
-  EXPECT_TRUE(message.HasExtension(unittest::optional_import_message_extension ));
+  EXPECT_TRUE(message.HasExtension(unittest::optionalgroup_extension                 ));
+  EXPECT_TRUE(message.HasExtension(unittest::optional_nested_message_extension       ));
+  EXPECT_TRUE(message.HasExtension(unittest::optional_foreign_message_extension      ));
+  EXPECT_TRUE(message.HasExtension(unittest::optional_import_message_extension       ));
+  EXPECT_TRUE(message.HasExtension(unittest::optional_public_import_message_extension));
+  EXPECT_TRUE(message.HasExtension(unittest::optional_lazy_message_extension         ));
 
-  EXPECT_TRUE(message.GetExtension(unittest::optionalgroup_extension           ).has_a());
-  EXPECT_TRUE(message.GetExtension(unittest::optional_nested_message_extension ).has_bb());
-  EXPECT_TRUE(message.GetExtension(unittest::optional_foreign_message_extension).has_c());
-  EXPECT_TRUE(message.GetExtension(unittest::optional_import_message_extension ).has_d());
+  EXPECT_TRUE(message.GetExtension(unittest::optionalgroup_extension                 ).has_a());
+  EXPECT_TRUE(message.GetExtension(unittest::optional_nested_message_extension       ).has_bb());
+  EXPECT_TRUE(message.GetExtension(unittest::optional_foreign_message_extension      ).has_c());
+  EXPECT_TRUE(message.GetExtension(unittest::optional_import_message_extension       ).has_d());
+  EXPECT_TRUE(message.GetExtension(unittest::optional_public_import_message_extension).has_e());
+  EXPECT_TRUE(message.GetExtension(unittest::optional_lazy_message_extension         ).has_bb());
 
   EXPECT_TRUE(message.HasExtension(unittest::optional_nested_enum_extension ));
   EXPECT_TRUE(message.HasExtension(unittest::optional_foreign_enum_extension));
@@ -1131,7 +1178,7 @@ void TestUtil::ExpectAllExtensionsSet(
   EXPECT_EQ(110  , message.GetExtension(unittest::optional_sfixed64_extension));
   EXPECT_EQ(111  , message.GetExtension(unittest::optional_float_extension   ));
   EXPECT_EQ(112  , message.GetExtension(unittest::optional_double_extension  ));
-  EXPECT_EQ(true , message.GetExtension(unittest::optional_bool_extension    ));
+  EXPECT_TRUE(     message.GetExtension(unittest::optional_bool_extension    ));
   EXPECT_EQ("115", message.GetExtension(unittest::optional_string_extension  ));
   EXPECT_EQ("116", message.GetExtension(unittest::optional_bytes_extension   ));
 
@@ -1146,6 +1193,8 @@ void TestUtil::ExpectAllExtensionsSet(
 
   EXPECT_EQ("124", message.GetExtension(unittest::optional_string_piece_extension));
   EXPECT_EQ("125", message.GetExtension(unittest::optional_cord_extension));
+  EXPECT_EQ(126, message.GetExtension(unittest::optional_public_import_message_extension ).e());
+  EXPECT_EQ(127, message.GetExtension(unittest::optional_lazy_message_extension).bb());
 
   // -----------------------------------------------------------------
 
@@ -1169,6 +1218,7 @@ void TestUtil::ExpectAllExtensionsSet(
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_nested_message_extension ));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_foreign_message_extension));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_import_message_extension ));
+  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_lazy_message_extension   ));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_nested_enum_extension    ));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_foreign_enum_extension   ));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_import_enum_extension    ));
@@ -1188,7 +1238,7 @@ void TestUtil::ExpectAllExtensionsSet(
   EXPECT_EQ(210  , message.GetExtension(unittest::repeated_sfixed64_extension, 0));
   EXPECT_EQ(211  , message.GetExtension(unittest::repeated_float_extension   , 0));
   EXPECT_EQ(212  , message.GetExtension(unittest::repeated_double_extension  , 0));
-  EXPECT_EQ(true , message.GetExtension(unittest::repeated_bool_extension    , 0));
+  EXPECT_TRUE(     message.GetExtension(unittest::repeated_bool_extension    , 0));
   EXPECT_EQ("215", message.GetExtension(unittest::repeated_string_extension  , 0));
   EXPECT_EQ("216", message.GetExtension(unittest::repeated_bytes_extension   , 0));
 
@@ -1196,6 +1246,7 @@ void TestUtil::ExpectAllExtensionsSet(
   EXPECT_EQ(218, message.GetExtension(unittest::repeated_nested_message_extension , 0).bb());
   EXPECT_EQ(219, message.GetExtension(unittest::repeated_foreign_message_extension, 0).c());
   EXPECT_EQ(220, message.GetExtension(unittest::repeated_import_message_extension , 0).d());
+  EXPECT_EQ(227, message.GetExtension(unittest::repeated_lazy_message_extension   , 0).bb());
 
   EXPECT_EQ(unittest::TestAllTypes::BAR, message.GetExtension(unittest::repeated_nested_enum_extension , 0));
   EXPECT_EQ(unittest::FOREIGN_BAR      , message.GetExtension(unittest::repeated_foreign_enum_extension, 0));
@@ -1216,7 +1267,7 @@ void TestUtil::ExpectAllExtensionsSet(
   EXPECT_EQ(310  , message.GetExtension(unittest::repeated_sfixed64_extension, 1));
   EXPECT_EQ(311  , message.GetExtension(unittest::repeated_float_extension   , 1));
   EXPECT_EQ(312  , message.GetExtension(unittest::repeated_double_extension  , 1));
-  EXPECT_EQ(false, message.GetExtension(unittest::repeated_bool_extension    , 1));
+  EXPECT_FALSE(    message.GetExtension(unittest::repeated_bool_extension    , 1));
   EXPECT_EQ("315", message.GetExtension(unittest::repeated_string_extension  , 1));
   EXPECT_EQ("316", message.GetExtension(unittest::repeated_bytes_extension   , 1));
 
@@ -1224,6 +1275,7 @@ void TestUtil::ExpectAllExtensionsSet(
   EXPECT_EQ(318, message.GetExtension(unittest::repeated_nested_message_extension , 1).bb());
   EXPECT_EQ(319, message.GetExtension(unittest::repeated_foreign_message_extension, 1).c());
   EXPECT_EQ(320, message.GetExtension(unittest::repeated_import_message_extension , 1).d());
+  EXPECT_EQ(327, message.GetExtension(unittest::repeated_lazy_message_extension   , 1).bb());
 
   EXPECT_EQ(unittest::TestAllTypes::BAZ, message.GetExtension(unittest::repeated_nested_enum_extension , 1));
   EXPECT_EQ(unittest::FOREIGN_BAZ      , message.GetExtension(unittest::repeated_foreign_enum_extension, 1));
@@ -1269,7 +1321,7 @@ void TestUtil::ExpectAllExtensionsSet(
   EXPECT_EQ(410  , message.GetExtension(unittest::default_sfixed64_extension));
   EXPECT_EQ(411  , message.GetExtension(unittest::default_float_extension   ));
   EXPECT_EQ(412  , message.GetExtension(unittest::default_double_extension  ));
-  EXPECT_EQ(false, message.GetExtension(unittest::default_bool_extension    ));
+  EXPECT_FALSE(    message.GetExtension(unittest::default_bool_extension    ));
   EXPECT_EQ("415", message.GetExtension(unittest::default_string_extension  ));
   EXPECT_EQ("416", message.GetExtension(unittest::default_bytes_extension   ));
 
@@ -1307,10 +1359,12 @@ void TestUtil::ExpectExtensionsClear(
   EXPECT_FALSE(message.HasExtension(unittest::optional_string_extension  ));
   EXPECT_FALSE(message.HasExtension(unittest::optional_bytes_extension   ));
 
-  EXPECT_FALSE(message.HasExtension(unittest::optionalgroup_extension           ));
-  EXPECT_FALSE(message.HasExtension(unittest::optional_nested_message_extension ));
-  EXPECT_FALSE(message.HasExtension(unittest::optional_foreign_message_extension));
-  EXPECT_FALSE(message.HasExtension(unittest::optional_import_message_extension ));
+  EXPECT_FALSE(message.HasExtension(unittest::optionalgroup_extension                 ));
+  EXPECT_FALSE(message.HasExtension(unittest::optional_nested_message_extension       ));
+  EXPECT_FALSE(message.HasExtension(unittest::optional_foreign_message_extension      ));
+  EXPECT_FALSE(message.HasExtension(unittest::optional_import_message_extension       ));
+  EXPECT_FALSE(message.HasExtension(unittest::optional_public_import_message_extension));
+  EXPECT_FALSE(message.HasExtension(unittest::optional_lazy_message_extension         ));
 
   EXPECT_FALSE(message.HasExtension(unittest::optional_nested_enum_extension ));
   EXPECT_FALSE(message.HasExtension(unittest::optional_foreign_enum_extension));
@@ -1332,20 +1386,24 @@ void TestUtil::ExpectExtensionsClear(
   EXPECT_EQ(0    , message.GetExtension(unittest::optional_sfixed64_extension));
   EXPECT_EQ(0    , message.GetExtension(unittest::optional_float_extension   ));
   EXPECT_EQ(0    , message.GetExtension(unittest::optional_double_extension  ));
-  EXPECT_EQ(false, message.GetExtension(unittest::optional_bool_extension    ));
+  EXPECT_FALSE(    message.GetExtension(unittest::optional_bool_extension    ));
   EXPECT_EQ(""   , message.GetExtension(unittest::optional_string_extension  ));
   EXPECT_EQ(""   , message.GetExtension(unittest::optional_bytes_extension   ));
 
   // Embedded messages should also be clear.
-  EXPECT_FALSE(message.GetExtension(unittest::optionalgroup_extension           ).has_a());
-  EXPECT_FALSE(message.GetExtension(unittest::optional_nested_message_extension ).has_bb());
-  EXPECT_FALSE(message.GetExtension(unittest::optional_foreign_message_extension).has_c());
-  EXPECT_FALSE(message.GetExtension(unittest::optional_import_message_extension ).has_d());
+  EXPECT_FALSE(message.GetExtension(unittest::optionalgroup_extension                 ).has_a());
+  EXPECT_FALSE(message.GetExtension(unittest::optional_nested_message_extension       ).has_bb());
+  EXPECT_FALSE(message.GetExtension(unittest::optional_foreign_message_extension      ).has_c());
+  EXPECT_FALSE(message.GetExtension(unittest::optional_import_message_extension       ).has_d());
+  EXPECT_FALSE(message.GetExtension(unittest::optional_public_import_message_extension).has_e());
+  EXPECT_FALSE(message.GetExtension(unittest::optional_lazy_message_extension         ).has_bb());
 
-  EXPECT_EQ(0, message.GetExtension(unittest::optionalgroup_extension           ).a());
-  EXPECT_EQ(0, message.GetExtension(unittest::optional_nested_message_extension ).bb());
-  EXPECT_EQ(0, message.GetExtension(unittest::optional_foreign_message_extension).c());
-  EXPECT_EQ(0, message.GetExtension(unittest::optional_import_message_extension ).d());
+  EXPECT_EQ(0, message.GetExtension(unittest::optionalgroup_extension                 ).a());
+  EXPECT_EQ(0, message.GetExtension(unittest::optional_nested_message_extension       ).bb());
+  EXPECT_EQ(0, message.GetExtension(unittest::optional_foreign_message_extension      ).c());
+  EXPECT_EQ(0, message.GetExtension(unittest::optional_import_message_extension       ).d());
+  EXPECT_EQ(0, message.GetExtension(unittest::optional_public_import_message_extension).e());
+  EXPECT_EQ(0, message.GetExtension(unittest::optional_lazy_message_extension         ).bb());
 
   // Enums without defaults are set to the first value in the enum.
   EXPECT_EQ(unittest::TestAllTypes::FOO, message.GetExtension(unittest::optional_nested_enum_extension ));
@@ -1376,6 +1434,7 @@ void TestUtil::ExpectExtensionsClear(
   EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_nested_message_extension ));
   EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_foreign_message_extension));
   EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_import_message_extension ));
+  EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_lazy_message_extension   ));
   EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_nested_enum_extension    ));
   EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_foreign_enum_extension   ));
   EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_import_enum_extension    ));
@@ -1420,7 +1479,7 @@ void TestUtil::ExpectExtensionsClear(
   EXPECT_EQ(-50    , message.GetExtension(unittest::default_sfixed64_extension));
   EXPECT_EQ( 51.5  , message.GetExtension(unittest::default_float_extension   ));
   EXPECT_EQ( 52e3  , message.GetExtension(unittest::default_double_extension  ));
-  EXPECT_EQ(true   , message.GetExtension(unittest::default_bool_extension    ));
+  EXPECT_TRUE(       message.GetExtension(unittest::default_bool_extension    ));
   EXPECT_EQ("hello", message.GetExtension(unittest::default_string_extension  ));
   EXPECT_EQ("world", message.GetExtension(unittest::default_bytes_extension   ));
 
@@ -1459,6 +1518,7 @@ void TestUtil::ExpectRepeatedExtensionsModified(
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_nested_message_extension ));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_foreign_message_extension));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_import_message_extension ));
+  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_lazy_message_extension   ));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_nested_enum_extension    ));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_foreign_enum_extension   ));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_import_enum_extension    ));
@@ -1478,7 +1538,7 @@ void TestUtil::ExpectRepeatedExtensionsModified(
   EXPECT_EQ(210  , message.GetExtension(unittest::repeated_sfixed64_extension, 0));
   EXPECT_EQ(211  , message.GetExtension(unittest::repeated_float_extension   , 0));
   EXPECT_EQ(212  , message.GetExtension(unittest::repeated_double_extension  , 0));
-  EXPECT_EQ(true , message.GetExtension(unittest::repeated_bool_extension    , 0));
+  EXPECT_TRUE(     message.GetExtension(unittest::repeated_bool_extension    , 0));
   EXPECT_EQ("215", message.GetExtension(unittest::repeated_string_extension  , 0));
   EXPECT_EQ("216", message.GetExtension(unittest::repeated_bytes_extension   , 0));
 
@@ -1486,6 +1546,7 @@ void TestUtil::ExpectRepeatedExtensionsModified(
   EXPECT_EQ(218, message.GetExtension(unittest::repeated_nested_message_extension , 0).bb());
   EXPECT_EQ(219, message.GetExtension(unittest::repeated_foreign_message_extension, 0).c());
   EXPECT_EQ(220, message.GetExtension(unittest::repeated_import_message_extension , 0).d());
+  EXPECT_EQ(227, message.GetExtension(unittest::repeated_lazy_message_extension   , 0).bb());
 
   EXPECT_EQ(unittest::TestAllTypes::BAR, message.GetExtension(unittest::repeated_nested_enum_extension , 0));
   EXPECT_EQ(unittest::FOREIGN_BAR      , message.GetExtension(unittest::repeated_foreign_enum_extension, 0));
@@ -1507,7 +1568,7 @@ void TestUtil::ExpectRepeatedExtensionsModified(
   EXPECT_EQ(510  , message.GetExtension(unittest::repeated_sfixed64_extension, 1));
   EXPECT_EQ(511  , message.GetExtension(unittest::repeated_float_extension   , 1));
   EXPECT_EQ(512  , message.GetExtension(unittest::repeated_double_extension  , 1));
-  EXPECT_EQ(true , message.GetExtension(unittest::repeated_bool_extension    , 1));
+  EXPECT_TRUE(     message.GetExtension(unittest::repeated_bool_extension    , 1));
   EXPECT_EQ("515", message.GetExtension(unittest::repeated_string_extension  , 1));
   EXPECT_EQ("516", message.GetExtension(unittest::repeated_bytes_extension   , 1));
 
@@ -1515,6 +1576,7 @@ void TestUtil::ExpectRepeatedExtensionsModified(
   EXPECT_EQ(518, message.GetExtension(unittest::repeated_nested_message_extension , 1).bb());
   EXPECT_EQ(519, message.GetExtension(unittest::repeated_foreign_message_extension, 1).c());
   EXPECT_EQ(520, message.GetExtension(unittest::repeated_import_message_extension , 1).d());
+  EXPECT_EQ(527, message.GetExtension(unittest::repeated_lazy_message_extension   , 1).bb());
 
   EXPECT_EQ(unittest::TestAllTypes::FOO, message.GetExtension(unittest::repeated_nested_enum_extension , 1));
   EXPECT_EQ(unittest::FOREIGN_FOO      , message.GetExtension(unittest::repeated_foreign_enum_extension, 1));
@@ -1609,7 +1671,7 @@ void TestUtil::ExpectPackedExtensionsSet(
   EXPECT_EQ(610  , message.GetExtension(unittest::packed_sfixed64_extension, 0));
   EXPECT_EQ(611  , message.GetExtension(unittest::packed_float_extension   , 0));
   EXPECT_EQ(612  , message.GetExtension(unittest::packed_double_extension  , 0));
-  EXPECT_EQ(true , message.GetExtension(unittest::packed_bool_extension    , 0));
+  EXPECT_TRUE(     message.GetExtension(unittest::packed_bool_extension    , 0));
   EXPECT_EQ(unittest::FOREIGN_BAR,
             message.GetExtension(unittest::packed_enum_extension, 0));
   EXPECT_EQ(701  , message.GetExtension(unittest::packed_int32_extension   , 1));
@@ -1624,7 +1686,7 @@ void TestUtil::ExpectPackedExtensionsSet(
   EXPECT_EQ(710  , message.GetExtension(unittest::packed_sfixed64_extension, 1));
   EXPECT_EQ(711  , message.GetExtension(unittest::packed_float_extension   , 1));
   EXPECT_EQ(712  , message.GetExtension(unittest::packed_double_extension  , 1));
-  EXPECT_EQ(false, message.GetExtension(unittest::packed_bool_extension    , 1));
+  EXPECT_FALSE(    message.GetExtension(unittest::packed_bool_extension    , 1));
   EXPECT_EQ(unittest::FOREIGN_BAZ,
             message.GetExtension(unittest::packed_enum_extension, 1));
 }
@@ -1679,7 +1741,7 @@ void TestUtil::ExpectPackedExtensionsModified(
   EXPECT_EQ(610  , message.GetExtension(unittest::packed_sfixed64_extension, 0));
   EXPECT_EQ(611  , message.GetExtension(unittest::packed_float_extension   , 0));
   EXPECT_EQ(612  , message.GetExtension(unittest::packed_double_extension  , 0));
-  EXPECT_EQ(true , message.GetExtension(unittest::packed_bool_extension    , 0));
+  EXPECT_TRUE(     message.GetExtension(unittest::packed_bool_extension    , 0));
   EXPECT_EQ(unittest::FOREIGN_BAR,
             message.GetExtension(unittest::packed_enum_extension, 0));
 
@@ -1696,7 +1758,7 @@ void TestUtil::ExpectPackedExtensionsModified(
   EXPECT_EQ(810  , message.GetExtension(unittest::packed_sfixed64_extension, 1));
   EXPECT_EQ(811  , message.GetExtension(unittest::packed_float_extension   , 1));
   EXPECT_EQ(812  , message.GetExtension(unittest::packed_double_extension  , 1));
-  EXPECT_EQ(true , message.GetExtension(unittest::packed_bool_extension    , 1));
+  EXPECT_TRUE(     message.GetExtension(unittest::packed_bool_extension    , 1));
   EXPECT_EQ(unittest::FOREIGN_FOO,
             message.GetExtension(unittest::packed_enum_extension, 1));
 }
@@ -1750,6 +1812,7 @@ void TestUtil::ExpectLastRepeatedsRemoved(
   ASSERT_EQ(1, message.repeated_nested_message_size ());
   ASSERT_EQ(1, message.repeated_foreign_message_size());
   ASSERT_EQ(1, message.repeated_import_message_size ());
+  ASSERT_EQ(1, message.repeated_import_message_size ());
   ASSERT_EQ(1, message.repeated_nested_enum_size    ());
   ASSERT_EQ(1, message.repeated_foreign_enum_size   ());
   ASSERT_EQ(1, message.repeated_import_enum_size    ());
@@ -1772,7 +1835,7 @@ void TestUtil::ExpectLastRepeatedsRemoved(
   EXPECT_EQ(210  , message.repeated_sfixed64(0));
   EXPECT_EQ(211  , message.repeated_float   (0));
   EXPECT_EQ(212  , message.repeated_double  (0));
-  EXPECT_EQ(true , message.repeated_bool    (0));
+  EXPECT_TRUE(     message.repeated_bool    (0));
   EXPECT_EQ("215", message.repeated_string  (0));
   EXPECT_EQ("216", message.repeated_bytes   (0));
 
@@ -1780,6 +1843,7 @@ void TestUtil::ExpectLastRepeatedsRemoved(
   EXPECT_EQ(218, message.repeated_nested_message (0).bb());
   EXPECT_EQ(219, message.repeated_foreign_message(0).c());
   EXPECT_EQ(220, message.repeated_import_message (0).d());
+  EXPECT_EQ(220, message.repeated_import_message (0).d());
 
   EXPECT_EQ(unittest::TestAllTypes::BAR, message.repeated_nested_enum (0));
   EXPECT_EQ(unittest::FOREIGN_BAR      , message.repeated_foreign_enum(0));
@@ -1810,6 +1874,7 @@ void TestUtil::ExpectLastRepeatedExtensionsRemoved(
   ASSERT_EQ(1, message.ExtensionSize(unittest::repeated_nested_message_extension ));
   ASSERT_EQ(1, message.ExtensionSize(unittest::repeated_foreign_message_extension));
   ASSERT_EQ(1, message.ExtensionSize(unittest::repeated_import_message_extension ));
+  ASSERT_EQ(1, message.ExtensionSize(unittest::repeated_lazy_message_extension   ));
   ASSERT_EQ(1, message.ExtensionSize(unittest::repeated_nested_enum_extension    ));
   ASSERT_EQ(1, message.ExtensionSize(unittest::repeated_foreign_enum_extension   ));
   ASSERT_EQ(1, message.ExtensionSize(unittest::repeated_import_enum_extension    ));
@@ -1830,7 +1895,7 @@ void TestUtil::ExpectLastRepeatedExtensionsRemoved(
   EXPECT_EQ(210  , message.GetExtension(unittest::repeated_sfixed64_extension, 0));
   EXPECT_EQ(211  , message.GetExtension(unittest::repeated_float_extension   , 0));
   EXPECT_EQ(212  , message.GetExtension(unittest::repeated_double_extension  , 0));
-  EXPECT_EQ(true , message.GetExtension(unittest::repeated_bool_extension    , 0));
+  EXPECT_TRUE(     message.GetExtension(unittest::repeated_bool_extension    , 0));
   EXPECT_EQ("215", message.GetExtension(unittest::repeated_string_extension  , 0));
   EXPECT_EQ("216", message.GetExtension(unittest::repeated_bytes_extension   , 0));
 
@@ -1838,6 +1903,7 @@ void TestUtil::ExpectLastRepeatedExtensionsRemoved(
   EXPECT_EQ(218, message.GetExtension(unittest::repeated_nested_message_extension , 0).bb());
   EXPECT_EQ(219, message.GetExtension(unittest::repeated_foreign_message_extension, 0).c());
   EXPECT_EQ(220, message.GetExtension(unittest::repeated_import_message_extension , 0).d());
+  EXPECT_EQ(227, message.GetExtension(unittest::repeated_lazy_message_extension   , 0).bb());
 
   EXPECT_EQ(unittest::TestAllTypes::BAR, message.GetExtension(unittest::repeated_nested_enum_extension , 0));
   EXPECT_EQ(unittest::FOREIGN_BAR      , message.GetExtension(unittest::repeated_foreign_enum_extension, 0));
@@ -1847,6 +1913,36 @@ void TestUtil::ExpectLastRepeatedExtensionsRemoved(
   EXPECT_EQ("225", message.GetExtension(unittest::repeated_cord_extension, 0));
 }
 
+void TestUtil::ExpectLastRepeatedsReleased(
+    const unittest::TestAllTypes& message) {
+  ASSERT_EQ(1, message.repeatedgroup_size           ());
+  ASSERT_EQ(1, message.repeated_nested_message_size ());
+  ASSERT_EQ(1, message.repeated_foreign_message_size());
+  ASSERT_EQ(1, message.repeated_import_message_size ());
+  ASSERT_EQ(1, message.repeated_import_message_size ());
+
+  EXPECT_EQ(217, message.repeatedgroup           (0).a());
+  EXPECT_EQ(218, message.repeated_nested_message (0).bb());
+  EXPECT_EQ(219, message.repeated_foreign_message(0).c());
+  EXPECT_EQ(220, message.repeated_import_message (0).d());
+  EXPECT_EQ(220, message.repeated_import_message (0).d());
+}
+
+void TestUtil::ExpectLastRepeatedExtensionsReleased(
+    const unittest::TestAllExtensions& message) {
+  ASSERT_EQ(1, message.ExtensionSize(unittest::repeatedgroup_extension           ));
+  ASSERT_EQ(1, message.ExtensionSize(unittest::repeated_nested_message_extension ));
+  ASSERT_EQ(1, message.ExtensionSize(unittest::repeated_foreign_message_extension));
+  ASSERT_EQ(1, message.ExtensionSize(unittest::repeated_import_message_extension ));
+  ASSERT_EQ(1, message.ExtensionSize(unittest::repeated_lazy_message_extension   ));
+
+  EXPECT_EQ(217, message.GetExtension(unittest::repeatedgroup_extension           , 0).a());
+  EXPECT_EQ(218, message.GetExtension(unittest::repeated_nested_message_extension , 0).bb());
+  EXPECT_EQ(219, message.GetExtension(unittest::repeated_foreign_message_extension, 0).c());
+  EXPECT_EQ(220, message.GetExtension(unittest::repeated_import_message_extension , 0).d());
+  EXPECT_EQ(227, message.GetExtension(unittest::repeated_lazy_message_extension   , 0).bb());
+}
+
 void TestUtil::ExpectRepeatedsSwapped(
     const unittest::TestAllTypes& message) {
   ASSERT_EQ(2, message.repeated_int32_size   ());
@@ -1869,6 +1965,7 @@ void TestUtil::ExpectRepeatedsSwapped(
   ASSERT_EQ(2, message.repeated_nested_message_size ());
   ASSERT_EQ(2, message.repeated_foreign_message_size());
   ASSERT_EQ(2, message.repeated_import_message_size ());
+  ASSERT_EQ(2, message.repeated_import_message_size ());
   ASSERT_EQ(2, message.repeated_nested_enum_size    ());
   ASSERT_EQ(2, message.repeated_foreign_enum_size   ());
   ASSERT_EQ(2, message.repeated_import_enum_size    ());
@@ -1891,7 +1988,7 @@ void TestUtil::ExpectRepeatedsSwapped(
   EXPECT_EQ(210  , message.repeated_sfixed64(1));
   EXPECT_EQ(211  , message.repeated_float   (1));
   EXPECT_EQ(212  , message.repeated_double  (1));
-  EXPECT_EQ(true , message.repeated_bool    (1));
+  EXPECT_TRUE(     message.repeated_bool    (1));
   EXPECT_EQ("215", message.repeated_string  (1));
   EXPECT_EQ("216", message.repeated_bytes   (1));
 
@@ -1899,6 +1996,7 @@ void TestUtil::ExpectRepeatedsSwapped(
   EXPECT_EQ(218, message.repeated_nested_message (1).bb());
   EXPECT_EQ(219, message.repeated_foreign_message(1).c());
   EXPECT_EQ(220, message.repeated_import_message (1).d());
+  EXPECT_EQ(220, message.repeated_import_message (1).d());
 
   EXPECT_EQ(unittest::TestAllTypes::BAR, message.repeated_nested_enum (1));
   EXPECT_EQ(unittest::FOREIGN_BAR      , message.repeated_foreign_enum(1));
@@ -1916,7 +2014,7 @@ void TestUtil::ExpectRepeatedsSwapped(
   EXPECT_EQ(310  , message.repeated_sfixed64(0));
   EXPECT_EQ(311  , message.repeated_float   (0));
   EXPECT_EQ(312  , message.repeated_double  (0));
-  EXPECT_EQ(false, message.repeated_bool    (0));
+  EXPECT_FALSE(    message.repeated_bool    (0));
   EXPECT_EQ("315", message.repeated_string  (0));
   EXPECT_EQ("316", message.repeated_bytes   (0));
 
@@ -1924,6 +2022,7 @@ void TestUtil::ExpectRepeatedsSwapped(
   EXPECT_EQ(318, message.repeated_nested_message (0).bb());
   EXPECT_EQ(319, message.repeated_foreign_message(0).c());
   EXPECT_EQ(320, message.repeated_import_message (0).d());
+  EXPECT_EQ(320, message.repeated_import_message (0).d());
 
   EXPECT_EQ(unittest::TestAllTypes::BAZ, message.repeated_nested_enum (0));
   EXPECT_EQ(unittest::FOREIGN_BAZ      , message.repeated_foreign_enum(0));
@@ -1953,6 +2052,7 @@ void TestUtil::ExpectRepeatedExtensionsSwapped(
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_nested_message_extension ));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_foreign_message_extension));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_import_message_extension ));
+  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_lazy_message_extension   ));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_nested_enum_extension    ));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_foreign_enum_extension   ));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_import_enum_extension    ));
@@ -1972,7 +2072,7 @@ void TestUtil::ExpectRepeatedExtensionsSwapped(
   EXPECT_EQ(210  , message.GetExtension(unittest::repeated_sfixed64_extension, 1));
   EXPECT_EQ(211  , message.GetExtension(unittest::repeated_float_extension   , 1));
   EXPECT_EQ(212  , message.GetExtension(unittest::repeated_double_extension  , 1));
-  EXPECT_EQ(true , message.GetExtension(unittest::repeated_bool_extension    , 1));
+  EXPECT_TRUE(     message.GetExtension(unittest::repeated_bool_extension    , 1));
   EXPECT_EQ("215", message.GetExtension(unittest::repeated_string_extension  , 1));
   EXPECT_EQ("216", message.GetExtension(unittest::repeated_bytes_extension   , 1));
 
@@ -1980,6 +2080,7 @@ void TestUtil::ExpectRepeatedExtensionsSwapped(
   EXPECT_EQ(218, message.GetExtension(unittest::repeated_nested_message_extension , 1).bb());
   EXPECT_EQ(219, message.GetExtension(unittest::repeated_foreign_message_extension, 1).c());
   EXPECT_EQ(220, message.GetExtension(unittest::repeated_import_message_extension , 1).d());
+  EXPECT_EQ(227, message.GetExtension(unittest::repeated_lazy_message_extension   , 1).bb());
 
   EXPECT_EQ(unittest::TestAllTypes::BAR, message.GetExtension(unittest::repeated_nested_enum_extension , 1));
   EXPECT_EQ(unittest::FOREIGN_BAR      , message.GetExtension(unittest::repeated_foreign_enum_extension, 1));
@@ -2000,7 +2101,7 @@ void TestUtil::ExpectRepeatedExtensionsSwapped(
   EXPECT_EQ(310  , message.GetExtension(unittest::repeated_sfixed64_extension, 0));
   EXPECT_EQ(311  , message.GetExtension(unittest::repeated_float_extension   , 0));
   EXPECT_EQ(312  , message.GetExtension(unittest::repeated_double_extension  , 0));
-  EXPECT_EQ(false, message.GetExtension(unittest::repeated_bool_extension    , 0));
+  EXPECT_FALSE(    message.GetExtension(unittest::repeated_bool_extension    , 0));
   EXPECT_EQ("315", message.GetExtension(unittest::repeated_string_extension  , 0));
   EXPECT_EQ("316", message.GetExtension(unittest::repeated_bytes_extension   , 0));
 
@@ -2008,6 +2109,7 @@ void TestUtil::ExpectRepeatedExtensionsSwapped(
   EXPECT_EQ(318, message.GetExtension(unittest::repeated_nested_message_extension , 0).bb());
   EXPECT_EQ(319, message.GetExtension(unittest::repeated_foreign_message_extension, 0).c());
   EXPECT_EQ(320, message.GetExtension(unittest::repeated_import_message_extension , 0).d());
+  EXPECT_EQ(327, message.GetExtension(unittest::repeated_lazy_message_extension   , 0).bb());
 
   EXPECT_EQ(unittest::TestAllTypes::BAZ, message.GetExtension(unittest::repeated_nested_enum_extension , 0));
   EXPECT_EQ(unittest::FOREIGN_BAZ      , message.GetExtension(unittest::repeated_foreign_enum_extension, 0));
@@ -2031,6 +2133,8 @@ TestUtil::ReflectionTester::ReflectionTester(
     pool->FindFieldByName("protobuf_unittest.ForeignMessage.c");
   import_d_ =
     pool->FindFieldByName("protobuf_unittest_import.ImportMessage.d");
+  import_e_ =
+    pool->FindFieldByName("protobuf_unittest_import.PublicImportMessage.e");
   nested_foo_ =
     pool->FindEnumValueByName("protobuf_unittest.TestAllTypes.FOO");
   nested_bar_ =
@@ -2067,6 +2171,7 @@ TestUtil::ReflectionTester::ReflectionTester(
   EXPECT_TRUE(nested_b_         != NULL);
   EXPECT_TRUE(foreign_c_        != NULL);
   EXPECT_TRUE(import_d_         != NULL);
+  EXPECT_TRUE(import_e_         != NULL);
   EXPECT_TRUE(nested_foo_       != NULL);
   EXPECT_TRUE(nested_bar_       != NULL);
   EXPECT_TRUE(nested_baz_       != NULL);
@@ -2129,6 +2234,12 @@ void TestUtil::ReflectionTester::SetAllFieldsViaReflection(Message* message) {
   reflection->SetString(message, F("optional_string_piece"), "124");
   reflection->SetString(message, F("optional_cord"), "125");
 
+  sub_message = reflection->MutableMessage(message, F("optional_public_import_message"));
+  sub_message->GetReflection()->SetInt32(sub_message, import_e_, 126);
+
+  sub_message = reflection->MutableMessage(message, F("optional_lazy_message"));
+  sub_message->GetReflection()->SetInt32(sub_message, nested_b_, 127);
+
   // -----------------------------------------------------------------
 
   reflection->AddInt32 (message, F("repeated_int32"   ), 201);
@@ -2155,6 +2266,8 @@ void TestUtil::ReflectionTester::SetAllFieldsViaReflection(Message* message) {
   sub_message->GetReflection()->SetInt32(sub_message, foreign_c_, 219);
   sub_message = reflection->AddMessage(message, F("repeated_import_message"));
   sub_message->GetReflection()->SetInt32(sub_message, import_d_, 220);
+  sub_message = reflection->AddMessage(message, F("repeated_lazy_message"));
+  sub_message->GetReflection()->SetInt32(sub_message, nested_b_, 227);
 
   reflection->AddEnum(message, F("repeated_nested_enum" ),  nested_bar_);
   reflection->AddEnum(message, F("repeated_foreign_enum"), foreign_bar_);
@@ -2188,6 +2301,8 @@ void TestUtil::ReflectionTester::SetAllFieldsViaReflection(Message* message) {
   sub_message->GetReflection()->SetInt32(sub_message, foreign_c_, 319);
   sub_message = reflection->AddMessage(message, F("repeated_import_message"));
   sub_message->GetReflection()->SetInt32(sub_message, import_d_, 320);
+  sub_message = reflection->AddMessage(message, F("repeated_lazy_message"));
+  sub_message->GetReflection()->SetInt32(sub_message, nested_b_, 327);
 
   reflection->AddEnum(message, F("repeated_nested_enum" ),  nested_baz_);
   reflection->AddEnum(message, F("repeated_foreign_enum"), foreign_baz_);
@@ -2289,10 +2404,12 @@ void TestUtil::ReflectionTester::ExpectAllFieldsSetViaReflection1(
   EXPECT_TRUE(reflection->HasField(message, F("optional_string"  )));
   EXPECT_TRUE(reflection->HasField(message, F("optional_bytes"   )));
 
-  EXPECT_TRUE(reflection->HasField(message, F("optionalgroup"           )));
-  EXPECT_TRUE(reflection->HasField(message, F("optional_nested_message" )));
-  EXPECT_TRUE(reflection->HasField(message, F("optional_foreign_message")));
-  EXPECT_TRUE(reflection->HasField(message, F("optional_import_message" )));
+  EXPECT_TRUE(reflection->HasField(message, F("optionalgroup"                 )));
+  EXPECT_TRUE(reflection->HasField(message, F("optional_nested_message"       )));
+  EXPECT_TRUE(reflection->HasField(message, F("optional_foreign_message"      )));
+  EXPECT_TRUE(reflection->HasField(message, F("optional_import_message"       )));
+  EXPECT_TRUE(reflection->HasField(message, F("optional_public_import_message")));
+  EXPECT_TRUE(reflection->HasField(message, F("optional_lazy_message"         )));
 
   sub_message = &reflection->GetMessage(message, F("optionalgroup"));
   EXPECT_TRUE(sub_message->GetReflection()->HasField(*sub_message, group_a_));
@@ -2302,6 +2419,10 @@ void TestUtil::ReflectionTester::ExpectAllFieldsSetViaReflection1(
   EXPECT_TRUE(sub_message->GetReflection()->HasField(*sub_message, foreign_c_));
   sub_message = &reflection->GetMessage(message, F("optional_import_message"));
   EXPECT_TRUE(sub_message->GetReflection()->HasField(*sub_message, import_d_));
+  sub_message = &reflection->GetMessage(message, F("optional_public_import_message"));
+  EXPECT_TRUE(sub_message->GetReflection()->HasField(*sub_message, import_e_));
+  sub_message = &reflection->GetMessage(message, F("optional_lazy_message"));
+  EXPECT_TRUE(sub_message->GetReflection()->HasField(*sub_message, nested_b_));
 
   EXPECT_TRUE(reflection->HasField(message, F("optional_nested_enum" )));
   EXPECT_TRUE(reflection->HasField(message, F("optional_foreign_enum")));
@@ -2322,7 +2443,7 @@ void TestUtil::ReflectionTester::ExpectAllFieldsSetViaReflection1(
   EXPECT_EQ(110  , reflection->GetInt64 (message, F("optional_sfixed64")));
   EXPECT_EQ(111  , reflection->GetFloat (message, F("optional_float"   )));
   EXPECT_EQ(112  , reflection->GetDouble(message, F("optional_double"  )));
-  EXPECT_EQ(true , reflection->GetBool  (message, F("optional_bool"    )));
+  EXPECT_TRUE(     reflection->GetBool  (message, F("optional_bool"    )));
   EXPECT_EQ("115", reflection->GetString(message, F("optional_string"  )));
   EXPECT_EQ("116", reflection->GetString(message, F("optional_bytes"   )));
 
@@ -2337,6 +2458,10 @@ void TestUtil::ReflectionTester::ExpectAllFieldsSetViaReflection1(
   EXPECT_EQ(119, sub_message->GetReflection()->GetInt32(*sub_message, foreign_c_));
   sub_message = &reflection->GetMessage(message, F("optional_import_message"));
   EXPECT_EQ(120, sub_message->GetReflection()->GetInt32(*sub_message, import_d_));
+  sub_message = &reflection->GetMessage(message, F("optional_public_import_message"));
+  EXPECT_EQ(126, sub_message->GetReflection()->GetInt32(*sub_message, import_e_));
+  sub_message = &reflection->GetMessage(message, F("optional_lazy_message"));
+  EXPECT_EQ(127, sub_message->GetReflection()->GetInt32(*sub_message, nested_b_));
 
   EXPECT_EQ( nested_baz_, reflection->GetEnum(message, F("optional_nested_enum" )));
   EXPECT_EQ(foreign_baz_, reflection->GetEnum(message, F("optional_foreign_enum")));
@@ -2347,6 +2472,7 @@ void TestUtil::ReflectionTester::ExpectAllFieldsSetViaReflection1(
 
   EXPECT_EQ("125", reflection->GetString(message, F("optional_cord")));
   EXPECT_EQ("125", reflection->GetStringReference(message, F("optional_cord"), &scratch));
+
 }
 
 void TestUtil::ReflectionTester::ExpectAllFieldsSetViaReflection2(
@@ -2377,6 +2503,7 @@ void TestUtil::ReflectionTester::ExpectAllFieldsSetViaReflection2(
   ASSERT_EQ(2, reflection->FieldSize(message, F("repeated_nested_message" )));
   ASSERT_EQ(2, reflection->FieldSize(message, F("repeated_foreign_message")));
   ASSERT_EQ(2, reflection->FieldSize(message, F("repeated_import_message" )));
+  ASSERT_EQ(2, reflection->FieldSize(message, F("repeated_lazy_message"   )));
   ASSERT_EQ(2, reflection->FieldSize(message, F("repeated_nested_enum"    )));
   ASSERT_EQ(2, reflection->FieldSize(message, F("repeated_foreign_enum"   )));
   ASSERT_EQ(2, reflection->FieldSize(message, F("repeated_import_enum"    )));
@@ -2396,7 +2523,7 @@ void TestUtil::ReflectionTester::ExpectAllFieldsSetViaReflection2(
   EXPECT_EQ(210  , reflection->GetRepeatedInt64 (message, F("repeated_sfixed64"), 0));
   EXPECT_EQ(211  , reflection->GetRepeatedFloat (message, F("repeated_float"   ), 0));
   EXPECT_EQ(212  , reflection->GetRepeatedDouble(message, F("repeated_double"  ), 0));
-  EXPECT_EQ(true , reflection->GetRepeatedBool  (message, F("repeated_bool"    ), 0));
+  EXPECT_TRUE(     reflection->GetRepeatedBool  (message, F("repeated_bool"    ), 0));
   EXPECT_EQ("215", reflection->GetRepeatedString(message, F("repeated_string"  ), 0));
   EXPECT_EQ("216", reflection->GetRepeatedString(message, F("repeated_bytes"   ), 0));
 
@@ -2411,6 +2538,8 @@ void TestUtil::ReflectionTester::ExpectAllFieldsSetViaReflection2(
   EXPECT_EQ(219, sub_message->GetReflection()->GetInt32(*sub_message, foreign_c_));
   sub_message = &reflection->GetRepeatedMessage(message, F("repeated_import_message"), 0);
   EXPECT_EQ(220, sub_message->GetReflection()->GetInt32(*sub_message, import_d_));
+  sub_message = &reflection->GetRepeatedMessage(message, F("repeated_lazy_message"), 0);
+  EXPECT_EQ(227, sub_message->GetReflection()->GetInt32(*sub_message, nested_b_));
 
   EXPECT_EQ( nested_bar_, reflection->GetRepeatedEnum(message, F("repeated_nested_enum" ),0));
   EXPECT_EQ(foreign_bar_, reflection->GetRepeatedEnum(message, F("repeated_foreign_enum"),0));
@@ -2436,7 +2565,7 @@ void TestUtil::ReflectionTester::ExpectAllFieldsSetViaReflection2(
   EXPECT_EQ(310  , reflection->GetRepeatedInt64 (message, F("repeated_sfixed64"), 1));
   EXPECT_EQ(311  , reflection->GetRepeatedFloat (message, F("repeated_float"   ), 1));
   EXPECT_EQ(312  , reflection->GetRepeatedDouble(message, F("repeated_double"  ), 1));
-  EXPECT_EQ(false, reflection->GetRepeatedBool  (message, F("repeated_bool"    ), 1));
+  EXPECT_FALSE(    reflection->GetRepeatedBool  (message, F("repeated_bool"    ), 1));
   EXPECT_EQ("315", reflection->GetRepeatedString(message, F("repeated_string"  ), 1));
   EXPECT_EQ("316", reflection->GetRepeatedString(message, F("repeated_bytes"   ), 1));
 
@@ -2453,6 +2582,8 @@ void TestUtil::ReflectionTester::ExpectAllFieldsSetViaReflection2(
   EXPECT_EQ(319, sub_message->GetReflection()->GetInt32(*sub_message, foreign_c_));
   sub_message = &reflection->GetRepeatedMessage(message, F("repeated_import_message"), 1);
   EXPECT_EQ(320, sub_message->GetReflection()->GetInt32(*sub_message, import_d_));
+  sub_message = &reflection->GetRepeatedMessage(message, F("repeated_lazy_message"), 1);
+  EXPECT_EQ(327, sub_message->GetReflection()->GetInt32(*sub_message, nested_b_));
 
   EXPECT_EQ( nested_baz_, reflection->GetRepeatedEnum(message, F("repeated_nested_enum" ),1));
   EXPECT_EQ(foreign_baz_, reflection->GetRepeatedEnum(message, F("repeated_foreign_enum"),1));
@@ -2509,7 +2640,7 @@ void TestUtil::ReflectionTester::ExpectAllFieldsSetViaReflection3(
   EXPECT_EQ(410  , reflection->GetInt64 (message, F("default_sfixed64")));
   EXPECT_EQ(411  , reflection->GetFloat (message, F("default_float"   )));
   EXPECT_EQ(412  , reflection->GetDouble(message, F("default_double"  )));
-  EXPECT_EQ(false, reflection->GetBool  (message, F("default_bool"    )));
+  EXPECT_FALSE(    reflection->GetBool  (message, F("default_bool"    )));
   EXPECT_EQ("415", reflection->GetString(message, F("default_string"  )));
   EXPECT_EQ("416", reflection->GetString(message, F("default_bytes"   )));
 
@@ -2559,7 +2690,7 @@ void TestUtil::ReflectionTester::ExpectPackedFieldsSetViaReflection(
   EXPECT_EQ(610  , reflection->GetRepeatedInt64 (message, F("packed_sfixed64"), 0));
   EXPECT_EQ(611  , reflection->GetRepeatedFloat (message, F("packed_float"   ), 0));
   EXPECT_EQ(612  , reflection->GetRepeatedDouble(message, F("packed_double"  ), 0));
-  EXPECT_EQ(true , reflection->GetRepeatedBool  (message, F("packed_bool"    ), 0));
+  EXPECT_TRUE(     reflection->GetRepeatedBool  (message, F("packed_bool"    ), 0));
   EXPECT_EQ(foreign_bar_,
             reflection->GetRepeatedEnum(message, F("packed_enum"), 0));
 
@@ -2575,7 +2706,7 @@ void TestUtil::ReflectionTester::ExpectPackedFieldsSetViaReflection(
   EXPECT_EQ(710  , reflection->GetRepeatedInt64 (message, F("packed_sfixed64"), 1));
   EXPECT_EQ(711  , reflection->GetRepeatedFloat (message, F("packed_float"   ), 1));
   EXPECT_EQ(712  , reflection->GetRepeatedDouble(message, F("packed_double"  ), 1));
-  EXPECT_EQ(false, reflection->GetRepeatedBool  (message, F("packed_bool"    ), 1));
+  EXPECT_FALSE(    reflection->GetRepeatedBool  (message, F("packed_bool"    ), 1));
   EXPECT_EQ(foreign_baz_,
             reflection->GetRepeatedEnum(message, F("packed_enum"), 1));
 }
@@ -2609,6 +2740,8 @@ void TestUtil::ReflectionTester::ExpectClearViaReflection(
   EXPECT_FALSE(reflection->HasField(message, F("optional_nested_message" )));
   EXPECT_FALSE(reflection->HasField(message, F("optional_foreign_message")));
   EXPECT_FALSE(reflection->HasField(message, F("optional_import_message" )));
+  EXPECT_FALSE(reflection->HasField(message, F("optional_public_import_message")));
+  EXPECT_FALSE(reflection->HasField(message, F("optional_lazy_message")));
 
   EXPECT_FALSE(reflection->HasField(message, F("optional_nested_enum" )));
   EXPECT_FALSE(reflection->HasField(message, F("optional_foreign_enum")));
@@ -2630,7 +2763,7 @@ void TestUtil::ReflectionTester::ExpectClearViaReflection(
   EXPECT_EQ(0    , reflection->GetInt64 (message, F("optional_sfixed64")));
   EXPECT_EQ(0    , reflection->GetFloat (message, F("optional_float"   )));
   EXPECT_EQ(0    , reflection->GetDouble(message, F("optional_double"  )));
-  EXPECT_EQ(false, reflection->GetBool  (message, F("optional_bool"    )));
+  EXPECT_FALSE(    reflection->GetBool  (message, F("optional_bool"    )));
   EXPECT_EQ(""   , reflection->GetString(message, F("optional_string"  )));
   EXPECT_EQ(""   , reflection->GetString(message, F("optional_bytes"   )));
 
@@ -2650,6 +2783,12 @@ void TestUtil::ReflectionTester::ExpectClearViaReflection(
   sub_message = &reflection->GetMessage(message, F("optional_import_message"));
   EXPECT_FALSE(sub_message->GetReflection()->HasField(*sub_message, import_d_));
   EXPECT_EQ(0, sub_message->GetReflection()->GetInt32(*sub_message, import_d_));
+  sub_message = &reflection->GetMessage(message, F("optional_public_import_message"));
+  EXPECT_FALSE(sub_message->GetReflection()->HasField(*sub_message, import_e_));
+  EXPECT_EQ(0, sub_message->GetReflection()->GetInt32(*sub_message, import_e_));
+  sub_message = &reflection->GetMessage(message, F("optional_lazy_message"));
+  EXPECT_FALSE(sub_message->GetReflection()->HasField(*sub_message, nested_b_));
+  EXPECT_EQ(0, sub_message->GetReflection()->GetInt32(*sub_message, nested_b_));
 
   // Enums without defaults are set to the first value in the enum.
   EXPECT_EQ( nested_foo_, reflection->GetEnum(message, F("optional_nested_enum" )));
@@ -2683,6 +2822,7 @@ void TestUtil::ReflectionTester::ExpectClearViaReflection(
   EXPECT_EQ(0, reflection->FieldSize(message, F("repeated_nested_message" )));
   EXPECT_EQ(0, reflection->FieldSize(message, F("repeated_foreign_message")));
   EXPECT_EQ(0, reflection->FieldSize(message, F("repeated_import_message" )));
+  EXPECT_EQ(0, reflection->FieldSize(message, F("repeated_lazy_message"   )));
   EXPECT_EQ(0, reflection->FieldSize(message, F("repeated_nested_enum"    )));
   EXPECT_EQ(0, reflection->FieldSize(message, F("repeated_foreign_enum"   )));
   EXPECT_EQ(0, reflection->FieldSize(message, F("repeated_import_enum"    )));
@@ -2727,7 +2867,7 @@ void TestUtil::ReflectionTester::ExpectClearViaReflection(
   EXPECT_EQ(-50    , reflection->GetInt64 (message, F("default_sfixed64")));
   EXPECT_EQ( 51.5  , reflection->GetFloat (message, F("default_float"   )));
   EXPECT_EQ( 52e3  , reflection->GetDouble(message, F("default_double"  )));
-  EXPECT_EQ(true   , reflection->GetBool  (message, F("default_bool"    )));
+  EXPECT_TRUE(       reflection->GetBool  (message, F("default_bool"    )));
   EXPECT_EQ("hello", reflection->GetString(message, F("default_string"  )));
   EXPECT_EQ("world", reflection->GetString(message, F("default_bytes"   )));
 
@@ -2796,6 +2936,8 @@ void TestUtil::ReflectionTester::ModifyRepeatedFieldsViaReflection(
   sub_message->GetReflection()->SetInt32(sub_message, foreign_c_, 519);
   sub_message = reflection->MutableRepeatedMessage(message, F("repeated_import_message"), 1);
   sub_message->GetReflection()->SetInt32(sub_message, import_d_, 520);
+  sub_message = reflection->MutableRepeatedMessage(message, F("repeated_lazy_message"), 1);
+  sub_message->GetReflection()->SetInt32(sub_message, nested_b_, 527);
 
   reflection->SetRepeatedEnum(message, F("repeated_nested_enum" ), 1,  nested_foo_);
   reflection->SetRepeatedEnum(message, F("repeated_foreign_enum"), 1, foreign_foo_);
@@ -2824,7 +2966,8 @@ void TestUtil::ReflectionTester::ModifyPackedFieldsViaReflection(
   reflection->SetRepeatedEnum  (message, F("packed_enum"    ), 1, foreign_foo_);
 }
 
-void TestUtil::ReflectionTester::RemoveLastRepeatedsViaReflection(Message* message) {
+void TestUtil::ReflectionTester::RemoveLastRepeatedsViaReflection(
+    Message* message) {
   const Reflection* reflection = message->GetReflection();
 
   vector<const FieldDescriptor*> output;
@@ -2837,6 +2980,26 @@ void TestUtil::ReflectionTester::RemoveLastRepeatedsViaReflection(Message* messa
   }
 }
 
+void TestUtil::ReflectionTester::ReleaseLastRepeatedsViaReflection(
+    Message* message, bool expect_extensions_notnull) {
+  const Reflection* reflection = message->GetReflection();
+
+  vector<const FieldDescriptor*> output;
+  reflection->ListFields(*message, &output);
+  for (int i=0; i<output.size(); ++i) {
+    const FieldDescriptor* field = output[i];
+    if (!field->is_repeated()) continue;
+    if (field->cpp_type() != FieldDescriptor::CPPTYPE_MESSAGE) continue;
+
+    Message* released = reflection->ReleaseLast(message, field);
+    if (!field->is_extension() || expect_extensions_notnull) {
+      ASSERT_TRUE(released != NULL) << "ReleaseLast returned NULL for: "
+                                    << field->name();
+    }
+    delete released;
+  }
+}
+
 void TestUtil::ReflectionTester::SwapRepeatedsViaReflection(Message* message) {
   const Reflection* reflection = message->GetReflection();
 
@@ -2850,5 +3013,35 @@ void TestUtil::ReflectionTester::SwapRepeatedsViaReflection(Message* message) {
   }
 }
 
+void TestUtil::ReflectionTester::ExpectMessagesReleasedViaReflection(
+    Message* message,
+    TestUtil::ReflectionTester::MessageReleaseState expected_release_state) {
+  const Reflection* reflection = message->GetReflection();
+
+  static const char* fields[] = {
+    "optionalgroup",
+    "optional_nested_message",
+    "optional_foreign_message",
+    "optional_import_message",
+  };
+  for (int i = 0; i < GOOGLE_ARRAYSIZE(fields); i++) {
+    const Message& sub_message = reflection->GetMessage(*message, F(fields[i]));
+    Message* released = reflection->ReleaseMessage(message, F(fields[i]));
+    switch (expected_release_state) {
+      case IS_NULL:
+        EXPECT_TRUE(released == NULL);
+        break;
+      case NOT_NULL:
+        EXPECT_TRUE(released != NULL);
+        EXPECT_EQ(&sub_message, released);
+        break;
+      case CAN_BE_NULL:
+        break;
+    }
+    delete released;
+    EXPECT_FALSE(reflection->HasField(*message, F(fields[i])));
+  }
+}
+
 }  // namespace protobuf
 }  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/test_util.h b/common/protobuf-2.5.0/src/google/protobuf/test_util.h
similarity index 89%
rename from common/protobuf-2.3.0/src/google/protobuf/test_util.h
rename to common/protobuf-2.5.0/src/google/protobuf/test_util.h
index 25165f3a..45519573 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/test_util.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/test_util.h
@@ -43,13 +43,17 @@
 namespace google {
 namespace protobuf {
 
-namespace unittest = protobuf_unittest;
+namespace unittest = ::protobuf_unittest;
 namespace unittest_import = protobuf_unittest_import;
 
 class TestUtil {
  public:
   // Set every field in the message to a unique value.
   static void SetAllFields(unittest::TestAllTypes* message);
+  static void SetOptionalFields(unittest::TestAllTypes* message);
+  static void AddRepeatedFields1(unittest::TestAllTypes* message);
+  static void AddRepeatedFields2(unittest::TestAllTypes* message);
+  static void SetDefaultFields(unittest::TestAllTypes* message);
   static void SetAllExtensions(unittest::TestAllExtensions* message);
   static void SetAllFieldsAndExtensions(unittest::TestFieldOrderings* message);
   static void SetPackedFields(unittest::TestPackedTypes* message);
@@ -104,6 +108,10 @@ class TestUtil {
       const unittest::TestAllTypes& message);
   static void ExpectLastRepeatedExtensionsRemoved(
       const unittest::TestAllExtensions& message);
+  static void ExpectLastRepeatedsReleased(
+      const unittest::TestAllTypes& message);
+  static void ExpectLastRepeatedExtensionsReleased(
+      const unittest::TestAllExtensions& message);
 
   // Check that all repeated fields have had their first and last elements
   // swapped.
@@ -132,8 +140,18 @@ class TestUtil {
     void ExpectPackedClearViaReflection(const Message& message);
 
     void RemoveLastRepeatedsViaReflection(Message* message);
+    void ReleaseLastRepeatedsViaReflection(
+        Message* message, bool expect_extensions_notnull);
     void SwapRepeatedsViaReflection(Message* message);
 
+    enum MessageReleaseState {
+      IS_NULL,
+      CAN_BE_NULL,
+      NOT_NULL,
+    };
+    void ExpectMessagesReleasedViaReflection(
+        Message* message, MessageReleaseState expected_release_state);
+
    private:
     const FieldDescriptor* F(const string& name);
 
@@ -144,6 +162,7 @@ class TestUtil {
     const FieldDescriptor* nested_b_;
     const FieldDescriptor* foreign_c_;
     const FieldDescriptor* import_d_;
+    const FieldDescriptor* import_e_;
 
     const EnumValueDescriptor* nested_foo_;
     const EnumValueDescriptor* nested_bar_;
diff --git a/common/protobuf-2.3.0/src/google/protobuf/test_util_lite.cc b/common/protobuf-2.5.0/src/google/protobuf/test_util_lite.cc
similarity index 93%
rename from common/protobuf-2.3.0/src/google/protobuf/test_util_lite.cc
rename to common/protobuf-2.5.0/src/google/protobuf/test_util_lite.cc
index d7140e0c..9099292a 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/test_util_lite.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/test_util_lite.cc
@@ -62,10 +62,12 @@ void TestUtilLite::SetAllFields(unittest::TestAllTypesLite* message) {
   message->set_optional_string  ("115");
   message->set_optional_bytes   ("116");
 
-  message->mutable_optionalgroup           ()->set_a(117);
-  message->mutable_optional_nested_message ()->set_bb(118);
-  message->mutable_optional_foreign_message()->set_c(119);
-  message->mutable_optional_import_message ()->set_d(120);
+  message->mutable_optionalgroup                 ()->set_a(117);
+  message->mutable_optional_nested_message       ()->set_bb(118);
+  message->mutable_optional_foreign_message      ()->set_c(119);
+  message->mutable_optional_import_message       ()->set_d(120);
+  message->mutable_optional_public_import_message()->set_e(126);
+  message->mutable_optional_lazy_message         ()->set_bb(127);
 
   message->set_optional_nested_enum (unittest::TestAllTypesLite::BAZ );
   message->set_optional_foreign_enum(unittest::FOREIGN_LITE_BAZ      );
@@ -94,6 +96,7 @@ void TestUtilLite::SetAllFields(unittest::TestAllTypesLite* message) {
   message->add_repeated_nested_message ()->set_bb(218);
   message->add_repeated_foreign_message()->set_c(219);
   message->add_repeated_import_message ()->set_d(220);
+  message->add_repeated_lazy_message   ()->set_bb(227);
 
   message->add_repeated_nested_enum (unittest::TestAllTypesLite::BAR );
   message->add_repeated_foreign_enum(unittest::FOREIGN_LITE_BAR      );
@@ -121,6 +124,7 @@ void TestUtilLite::SetAllFields(unittest::TestAllTypesLite* message) {
   message->add_repeated_nested_message ()->set_bb(318);
   message->add_repeated_foreign_message()->set_c(319);
   message->add_repeated_import_message ()->set_d(320);
+  message->add_repeated_lazy_message   ()->set_bb(327);
 
   message->add_repeated_nested_enum (unittest::TestAllTypesLite::BAZ );
   message->add_repeated_foreign_enum(unittest::FOREIGN_LITE_BAZ      );
@@ -174,6 +178,7 @@ void TestUtilLite::ModifyRepeatedFields(unittest::TestAllTypesLite* message) {
   message->mutable_repeated_nested_message (1)->set_bb(518);
   message->mutable_repeated_foreign_message(1)->set_c(519);
   message->mutable_repeated_import_message (1)->set_d(520);
+  message->mutable_repeated_lazy_message   (1)->set_bb(527);
 
   message->set_repeated_nested_enum (1, unittest::TestAllTypesLite::FOO );
   message->set_repeated_foreign_enum(1, unittest::FOREIGN_LITE_FOO      );
@@ -201,15 +206,19 @@ void TestUtilLite::ExpectAllFieldsSet(
   EXPECT_TRUE(message.has_optional_string  ());
   EXPECT_TRUE(message.has_optional_bytes   ());
 
-  EXPECT_TRUE(message.has_optionalgroup           ());
-  EXPECT_TRUE(message.has_optional_nested_message ());
-  EXPECT_TRUE(message.has_optional_foreign_message());
-  EXPECT_TRUE(message.has_optional_import_message ());
+  EXPECT_TRUE(message.has_optionalgroup                 ());
+  EXPECT_TRUE(message.has_optional_nested_message       ());
+  EXPECT_TRUE(message.has_optional_foreign_message      ());
+  EXPECT_TRUE(message.has_optional_import_message       ());
+  EXPECT_TRUE(message.has_optional_public_import_message());
+  EXPECT_TRUE(message.has_optional_lazy_message         ());
 
-  EXPECT_TRUE(message.optionalgroup           ().has_a());
-  EXPECT_TRUE(message.optional_nested_message ().has_bb());
-  EXPECT_TRUE(message.optional_foreign_message().has_c());
-  EXPECT_TRUE(message.optional_import_message ().has_d());
+  EXPECT_TRUE(message.optionalgroup                 ().has_a());
+  EXPECT_TRUE(message.optional_nested_message       ().has_bb());
+  EXPECT_TRUE(message.optional_foreign_message      ().has_c());
+  EXPECT_TRUE(message.optional_import_message       ().has_d());
+  EXPECT_TRUE(message.optional_public_import_message().has_e());
+  EXPECT_TRUE(message.optional_lazy_message         ().has_bb());
 
   EXPECT_TRUE(message.has_optional_nested_enum ());
   EXPECT_TRUE(message.has_optional_foreign_enum());
@@ -232,10 +241,12 @@ void TestUtilLite::ExpectAllFieldsSet(
   EXPECT_EQ("115", message.optional_string  ());
   EXPECT_EQ("116", message.optional_bytes   ());
 
-  EXPECT_EQ(117, message.optionalgroup           ().a());
-  EXPECT_EQ(118, message.optional_nested_message ().bb());
-  EXPECT_EQ(119, message.optional_foreign_message().c());
-  EXPECT_EQ(120, message.optional_import_message ().d());
+  EXPECT_EQ(117, message.optionalgroup                 ().a());
+  EXPECT_EQ(118, message.optional_nested_message       ().bb());
+  EXPECT_EQ(119, message.optional_foreign_message      ().c());
+  EXPECT_EQ(120, message.optional_import_message       ().d());
+  EXPECT_EQ(126, message.optional_public_import_message().e());
+  EXPECT_EQ(127, message.optional_lazy_message         ().bb());
 
   EXPECT_EQ(unittest::TestAllTypesLite::BAZ , message.optional_nested_enum ());
   EXPECT_EQ(unittest::FOREIGN_LITE_BAZ      , message.optional_foreign_enum());
@@ -264,6 +275,7 @@ void TestUtilLite::ExpectAllFieldsSet(
   ASSERT_EQ(2, message.repeated_nested_message_size ());
   ASSERT_EQ(2, message.repeated_foreign_message_size());
   ASSERT_EQ(2, message.repeated_import_message_size ());
+  ASSERT_EQ(2, message.repeated_lazy_message_size   ());
   ASSERT_EQ(2, message.repeated_nested_enum_size    ());
   ASSERT_EQ(2, message.repeated_foreign_enum_size   ());
   ASSERT_EQ(2, message.repeated_import_enum_size    ());
@@ -289,6 +301,7 @@ void TestUtilLite::ExpectAllFieldsSet(
   EXPECT_EQ(218, message.repeated_nested_message (0).bb());
   EXPECT_EQ(219, message.repeated_foreign_message(0).c());
   EXPECT_EQ(220, message.repeated_import_message (0).d());
+  EXPECT_EQ(227, message.repeated_lazy_message   (0).bb());
 
 
   EXPECT_EQ(unittest::TestAllTypesLite::BAR , message.repeated_nested_enum (0));
@@ -315,6 +328,7 @@ void TestUtilLite::ExpectAllFieldsSet(
   EXPECT_EQ(318, message.repeated_nested_message (1).bb());
   EXPECT_EQ(319, message.repeated_foreign_message(1).c());
   EXPECT_EQ(320, message.repeated_import_message (1).d());
+  EXPECT_EQ(327, message.repeated_lazy_message   (1).bb());
 
   EXPECT_EQ(unittest::TestAllTypesLite::BAZ , message.repeated_nested_enum (1));
   EXPECT_EQ(unittest::FOREIGN_LITE_BAZ      , message.repeated_foreign_enum(1));
@@ -386,10 +400,12 @@ void TestUtilLite::ExpectClear(const unittest::TestAllTypesLite& message) {
   EXPECT_FALSE(message.has_optional_string  ());
   EXPECT_FALSE(message.has_optional_bytes   ());
 
-  EXPECT_FALSE(message.has_optionalgroup           ());
-  EXPECT_FALSE(message.has_optional_nested_message ());
-  EXPECT_FALSE(message.has_optional_foreign_message());
-  EXPECT_FALSE(message.has_optional_import_message ());
+  EXPECT_FALSE(message.has_optionalgroup                 ());
+  EXPECT_FALSE(message.has_optional_nested_message       ());
+  EXPECT_FALSE(message.has_optional_foreign_message      ());
+  EXPECT_FALSE(message.has_optional_import_message       ());
+  EXPECT_FALSE(message.has_optional_public_import_message());
+  EXPECT_FALSE(message.has_optional_lazy_message         ());
 
   EXPECT_FALSE(message.has_optional_nested_enum ());
   EXPECT_FALSE(message.has_optional_foreign_enum());
@@ -414,10 +430,12 @@ void TestUtilLite::ExpectClear(const unittest::TestAllTypesLite& message) {
   EXPECT_EQ(""   , message.optional_bytes   ());
 
   // Embedded messages should also be clear.
-  EXPECT_FALSE(message.optionalgroup           ().has_a());
-  EXPECT_FALSE(message.optional_nested_message ().has_bb());
-  EXPECT_FALSE(message.optional_foreign_message().has_c());
-  EXPECT_FALSE(message.optional_import_message ().has_d());
+  EXPECT_FALSE(message.optionalgroup                 ().has_a());
+  EXPECT_FALSE(message.optional_nested_message       ().has_bb());
+  EXPECT_FALSE(message.optional_foreign_message      ().has_c());
+  EXPECT_FALSE(message.optional_import_message       ().has_d());
+  EXPECT_FALSE(message.optional_public_import_message().has_e());
+  EXPECT_FALSE(message.optional_lazy_message         ().has_bb());
 
   EXPECT_EQ(0, message.optionalgroup           ().a());
   EXPECT_EQ(0, message.optional_nested_message ().bb());
@@ -451,6 +469,7 @@ void TestUtilLite::ExpectClear(const unittest::TestAllTypesLite& message) {
   EXPECT_EQ(0, message.repeated_nested_message_size ());
   EXPECT_EQ(0, message.repeated_foreign_message_size());
   EXPECT_EQ(0, message.repeated_import_message_size ());
+  EXPECT_EQ(0, message.repeated_lazy_message_size   ());
   EXPECT_EQ(0, message.repeated_nested_enum_size    ());
   EXPECT_EQ(0, message.repeated_foreign_enum_size   ());
   EXPECT_EQ(0, message.repeated_import_enum_size    ());
@@ -528,6 +547,7 @@ void TestUtilLite::ExpectRepeatedFieldsModified(
   ASSERT_EQ(2, message.repeated_nested_message_size ());
   ASSERT_EQ(2, message.repeated_foreign_message_size());
   ASSERT_EQ(2, message.repeated_import_message_size ());
+  ASSERT_EQ(2, message.repeated_lazy_message_size   ());
   ASSERT_EQ(2, message.repeated_nested_enum_size    ());
   ASSERT_EQ(2, message.repeated_foreign_enum_size   ());
   ASSERT_EQ(2, message.repeated_import_enum_size    ());
@@ -553,6 +573,7 @@ void TestUtilLite::ExpectRepeatedFieldsModified(
   EXPECT_EQ(218, message.repeated_nested_message (0).bb());
   EXPECT_EQ(219, message.repeated_foreign_message(0).c());
   EXPECT_EQ(220, message.repeated_import_message (0).d());
+  EXPECT_EQ(227, message.repeated_lazy_message   (0).bb());
 
   EXPECT_EQ(unittest::TestAllTypesLite::BAR , message.repeated_nested_enum (0));
   EXPECT_EQ(unittest::FOREIGN_LITE_BAR      , message.repeated_foreign_enum(0));
@@ -580,6 +601,7 @@ void TestUtilLite::ExpectRepeatedFieldsModified(
   EXPECT_EQ(518, message.repeated_nested_message (1).bb());
   EXPECT_EQ(519, message.repeated_foreign_message(1).c());
   EXPECT_EQ(520, message.repeated_import_message (1).d());
+  EXPECT_EQ(527, message.repeated_lazy_message   (1).bb());
 
   EXPECT_EQ(unittest::TestAllTypesLite::FOO , message.repeated_nested_enum (1));
   EXPECT_EQ(unittest::FOREIGN_LITE_FOO      , message.repeated_foreign_enum(1));
@@ -787,10 +809,12 @@ void TestUtilLite::SetAllExtensions(unittest::TestAllExtensionsLite* message) {
   message->SetExtension(unittest::optional_string_extension_lite  , "115");
   message->SetExtension(unittest::optional_bytes_extension_lite   , "116");
 
-  message->MutableExtension(unittest::optionalgroup_extension_lite           )->set_a(117);
-  message->MutableExtension(unittest::optional_nested_message_extension_lite )->set_bb(118);
-  message->MutableExtension(unittest::optional_foreign_message_extension_lite)->set_c(119);
-  message->MutableExtension(unittest::optional_import_message_extension_lite )->set_d(120);
+  message->MutableExtension(unittest::optionalgroup_extension_lite                 )->set_a(117);
+  message->MutableExtension(unittest::optional_nested_message_extension_lite       )->set_bb(118);
+  message->MutableExtension(unittest::optional_foreign_message_extension_lite      )->set_c(119);
+  message->MutableExtension(unittest::optional_import_message_extension_lite       )->set_d(120);
+  message->MutableExtension(unittest::optional_public_import_message_extension_lite)->set_e(126);
+  message->MutableExtension(unittest::optional_lazy_message_extension_lite         )->set_bb(127);
 
   message->SetExtension(unittest::optional_nested_enum_extension_lite , unittest::TestAllTypesLite::BAZ );
   message->SetExtension(unittest::optional_foreign_enum_extension_lite, unittest::FOREIGN_LITE_BAZ      );
@@ -819,6 +843,7 @@ void TestUtilLite::SetAllExtensions(unittest::TestAllExtensionsLite* message) {
   message->AddExtension(unittest::repeated_nested_message_extension_lite )->set_bb(218);
   message->AddExtension(unittest::repeated_foreign_message_extension_lite)->set_c(219);
   message->AddExtension(unittest::repeated_import_message_extension_lite )->set_d(220);
+  message->AddExtension(unittest::repeated_lazy_message_extension_lite   )->set_bb(227);
 
   message->AddExtension(unittest::repeated_nested_enum_extension_lite , unittest::TestAllTypesLite::BAR );
   message->AddExtension(unittest::repeated_foreign_enum_extension_lite, unittest::FOREIGN_LITE_BAR      );
@@ -846,6 +871,7 @@ void TestUtilLite::SetAllExtensions(unittest::TestAllExtensionsLite* message) {
   message->AddExtension(unittest::repeated_nested_message_extension_lite )->set_bb(318);
   message->AddExtension(unittest::repeated_foreign_message_extension_lite)->set_c(319);
   message->AddExtension(unittest::repeated_import_message_extension_lite )->set_d(320);
+  message->AddExtension(unittest::repeated_lazy_message_extension_lite   )->set_bb(327);
 
   message->AddExtension(unittest::repeated_nested_enum_extension_lite , unittest::TestAllTypesLite::BAZ );
   message->AddExtension(unittest::repeated_foreign_enum_extension_lite, unittest::FOREIGN_LITE_BAZ      );
@@ -900,6 +926,7 @@ void TestUtilLite::ModifyRepeatedExtensions(
   message->MutableExtension(unittest::repeated_nested_message_extension_lite , 1)->set_bb(518);
   message->MutableExtension(unittest::repeated_foreign_message_extension_lite, 1)->set_c(519);
   message->MutableExtension(unittest::repeated_import_message_extension_lite , 1)->set_d(520);
+  message->MutableExtension(unittest::repeated_lazy_message_extension_lite   , 1)->set_bb(527);
 
   message->SetExtension(unittest::repeated_nested_enum_extension_lite , 1, unittest::TestAllTypesLite::FOO );
   message->SetExtension(unittest::repeated_foreign_enum_extension_lite, 1, unittest::FOREIGN_LITE_FOO      );
@@ -927,15 +954,19 @@ void TestUtilLite::ExpectAllExtensionsSet(
   EXPECT_TRUE(message.HasExtension(unittest::optional_string_extension_lite  ));
   EXPECT_TRUE(message.HasExtension(unittest::optional_bytes_extension_lite   ));
 
-  EXPECT_TRUE(message.HasExtension(unittest::optionalgroup_extension_lite           ));
-  EXPECT_TRUE(message.HasExtension(unittest::optional_nested_message_extension_lite ));
-  EXPECT_TRUE(message.HasExtension(unittest::optional_foreign_message_extension_lite));
-  EXPECT_TRUE(message.HasExtension(unittest::optional_import_message_extension_lite ));
+  EXPECT_TRUE(message.HasExtension(unittest::optionalgroup_extension_lite                 ));
+  EXPECT_TRUE(message.HasExtension(unittest::optional_nested_message_extension_lite       ));
+  EXPECT_TRUE(message.HasExtension(unittest::optional_foreign_message_extension_lite      ));
+  EXPECT_TRUE(message.HasExtension(unittest::optional_import_message_extension_lite       ));
+  EXPECT_TRUE(message.HasExtension(unittest::optional_public_import_message_extension_lite));
+  EXPECT_TRUE(message.HasExtension(unittest::optional_lazy_message_extension_lite         ));
 
-  EXPECT_TRUE(message.GetExtension(unittest::optionalgroup_extension_lite           ).has_a());
-  EXPECT_TRUE(message.GetExtension(unittest::optional_nested_message_extension_lite ).has_bb());
-  EXPECT_TRUE(message.GetExtension(unittest::optional_foreign_message_extension_lite).has_c());
-  EXPECT_TRUE(message.GetExtension(unittest::optional_import_message_extension_lite ).has_d());
+  EXPECT_TRUE(message.GetExtension(unittest::optionalgroup_extension_lite                 ).has_a());
+  EXPECT_TRUE(message.GetExtension(unittest::optional_nested_message_extension_lite       ).has_bb());
+  EXPECT_TRUE(message.GetExtension(unittest::optional_foreign_message_extension_lite      ).has_c());
+  EXPECT_TRUE(message.GetExtension(unittest::optional_import_message_extension_lite       ).has_d());
+  EXPECT_TRUE(message.GetExtension(unittest::optional_public_import_message_extension_lite).has_e());
+  EXPECT_TRUE(message.GetExtension(unittest::optional_lazy_message_extension_lite         ).has_bb());
 
   EXPECT_TRUE(message.HasExtension(unittest::optional_nested_enum_extension_lite ));
   EXPECT_TRUE(message.HasExtension(unittest::optional_foreign_enum_extension_lite));
@@ -958,10 +989,12 @@ void TestUtilLite::ExpectAllExtensionsSet(
   EXPECT_EQ("115", message.GetExtension(unittest::optional_string_extension_lite  ));
   EXPECT_EQ("116", message.GetExtension(unittest::optional_bytes_extension_lite   ));
 
-  EXPECT_EQ(117, message.GetExtension(unittest::optionalgroup_extension_lite           ).a());
-  EXPECT_EQ(118, message.GetExtension(unittest::optional_nested_message_extension_lite ).bb());
-  EXPECT_EQ(119, message.GetExtension(unittest::optional_foreign_message_extension_lite).c());
-  EXPECT_EQ(120, message.GetExtension(unittest::optional_import_message_extension_lite ).d());
+  EXPECT_EQ(117, message.GetExtension(unittest::optionalgroup_extension_lite                 ).a());
+  EXPECT_EQ(118, message.GetExtension(unittest::optional_nested_message_extension_lite       ).bb());
+  EXPECT_EQ(119, message.GetExtension(unittest::optional_foreign_message_extension_lite      ).c());
+  EXPECT_EQ(120, message.GetExtension(unittest::optional_import_message_extension_lite       ).d());
+  EXPECT_EQ(126, message.GetExtension(unittest::optional_public_import_message_extension_lite).e());
+  EXPECT_EQ(127, message.GetExtension(unittest::optional_lazy_message_extension_lite         ).bb());
 
   EXPECT_EQ(unittest::TestAllTypesLite::BAZ , message.GetExtension(unittest::optional_nested_enum_extension_lite ));
   EXPECT_EQ(unittest::FOREIGN_LITE_BAZ      , message.GetExtension(unittest::optional_foreign_enum_extension_lite));
@@ -990,6 +1023,7 @@ void TestUtilLite::ExpectAllExtensionsSet(
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_nested_message_extension_lite ));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_foreign_message_extension_lite));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_import_message_extension_lite ));
+  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_lazy_message_extension_lite   ));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_nested_enum_extension_lite    ));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_foreign_enum_extension_lite   ));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_import_enum_extension_lite    ));
@@ -1015,6 +1049,7 @@ void TestUtilLite::ExpectAllExtensionsSet(
   EXPECT_EQ(218, message.GetExtension(unittest::repeated_nested_message_extension_lite , 0).bb());
   EXPECT_EQ(219, message.GetExtension(unittest::repeated_foreign_message_extension_lite, 0).c());
   EXPECT_EQ(220, message.GetExtension(unittest::repeated_import_message_extension_lite , 0).d());
+  EXPECT_EQ(227, message.GetExtension(unittest::repeated_lazy_message_extension_lite   , 0).bb());
 
   EXPECT_EQ(unittest::TestAllTypesLite::BAR , message.GetExtension(unittest::repeated_nested_enum_extension_lite , 0));
   EXPECT_EQ(unittest::FOREIGN_LITE_BAR      , message.GetExtension(unittest::repeated_foreign_enum_extension_lite, 0));
@@ -1041,6 +1076,7 @@ void TestUtilLite::ExpectAllExtensionsSet(
   EXPECT_EQ(318, message.GetExtension(unittest::repeated_nested_message_extension_lite , 1).bb());
   EXPECT_EQ(319, message.GetExtension(unittest::repeated_foreign_message_extension_lite, 1).c());
   EXPECT_EQ(320, message.GetExtension(unittest::repeated_import_message_extension_lite , 1).d());
+  EXPECT_EQ(327, message.GetExtension(unittest::repeated_lazy_message_extension_lite   , 1).bb());
 
   EXPECT_EQ(unittest::TestAllTypesLite::BAZ , message.GetExtension(unittest::repeated_nested_enum_extension_lite , 1));
   EXPECT_EQ(unittest::FOREIGN_LITE_BAZ      , message.GetExtension(unittest::repeated_foreign_enum_extension_lite, 1));
@@ -1118,10 +1154,12 @@ void TestUtilLite::ExpectExtensionsClear(
   EXPECT_FALSE(message.HasExtension(unittest::optional_string_extension_lite  ));
   EXPECT_FALSE(message.HasExtension(unittest::optional_bytes_extension_lite   ));
 
-  EXPECT_FALSE(message.HasExtension(unittest::optionalgroup_extension_lite           ));
-  EXPECT_FALSE(message.HasExtension(unittest::optional_nested_message_extension_lite ));
-  EXPECT_FALSE(message.HasExtension(unittest::optional_foreign_message_extension_lite));
-  EXPECT_FALSE(message.HasExtension(unittest::optional_import_message_extension_lite ));
+  EXPECT_FALSE(message.HasExtension(unittest::optionalgroup_extension_lite                 ));
+  EXPECT_FALSE(message.HasExtension(unittest::optional_nested_message_extension_lite       ));
+  EXPECT_FALSE(message.HasExtension(unittest::optional_foreign_message_extension_lite      ));
+  EXPECT_FALSE(message.HasExtension(unittest::optional_import_message_extension_lite       ));
+  EXPECT_FALSE(message.HasExtension(unittest::optional_public_import_message_extension_lite));
+  EXPECT_FALSE(message.HasExtension(unittest::optional_lazy_message_extension_lite         ));
 
   EXPECT_FALSE(message.HasExtension(unittest::optional_nested_enum_extension_lite ));
   EXPECT_FALSE(message.HasExtension(unittest::optional_foreign_enum_extension_lite));
@@ -1146,15 +1184,19 @@ void TestUtilLite::ExpectExtensionsClear(
   EXPECT_EQ(""   , message.GetExtension(unittest::optional_bytes_extension_lite   ));
 
   // Embedded messages should also be clear.
-  EXPECT_FALSE(message.GetExtension(unittest::optionalgroup_extension_lite           ).has_a());
-  EXPECT_FALSE(message.GetExtension(unittest::optional_nested_message_extension_lite ).has_bb());
-  EXPECT_FALSE(message.GetExtension(unittest::optional_foreign_message_extension_lite).has_c());
-  EXPECT_FALSE(message.GetExtension(unittest::optional_import_message_extension_lite ).has_d());
+  EXPECT_FALSE(message.GetExtension(unittest::optionalgroup_extension_lite                 ).has_a());
+  EXPECT_FALSE(message.GetExtension(unittest::optional_nested_message_extension_lite       ).has_bb());
+  EXPECT_FALSE(message.GetExtension(unittest::optional_foreign_message_extension_lite      ).has_c());
+  EXPECT_FALSE(message.GetExtension(unittest::optional_import_message_extension_lite       ).has_d());
+  EXPECT_FALSE(message.GetExtension(unittest::optional_public_import_message_extension_lite).has_e());
+  EXPECT_FALSE(message.GetExtension(unittest::optional_lazy_message_extension_lite         ).has_bb());
 
-  EXPECT_EQ(0, message.GetExtension(unittest::optionalgroup_extension_lite           ).a());
-  EXPECT_EQ(0, message.GetExtension(unittest::optional_nested_message_extension_lite ).bb());
-  EXPECT_EQ(0, message.GetExtension(unittest::optional_foreign_message_extension_lite).c());
-  EXPECT_EQ(0, message.GetExtension(unittest::optional_import_message_extension_lite ).d());
+  EXPECT_EQ(0, message.GetExtension(unittest::optionalgroup_extension_lite                 ).a());
+  EXPECT_EQ(0, message.GetExtension(unittest::optional_nested_message_extension_lite       ).bb());
+  EXPECT_EQ(0, message.GetExtension(unittest::optional_foreign_message_extension_lite      ).c());
+  EXPECT_EQ(0, message.GetExtension(unittest::optional_import_message_extension_lite       ).d());
+  EXPECT_EQ(0, message.GetExtension(unittest::optional_public_import_message_extension_lite).e());
+  EXPECT_EQ(0, message.GetExtension(unittest::optional_lazy_message_extension_lite         ).bb());
 
   // Enums without defaults are set to the first value in the enum.
   EXPECT_EQ(unittest::TestAllTypesLite::FOO , message.GetExtension(unittest::optional_nested_enum_extension_lite ));
@@ -1183,6 +1225,7 @@ void TestUtilLite::ExpectExtensionsClear(
   EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_nested_message_extension_lite ));
   EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_foreign_message_extension_lite));
   EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_import_message_extension_lite ));
+  EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_lazy_message_extension_lite   ));
   EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_nested_enum_extension_lite    ));
   EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_foreign_enum_extension_lite   ));
   EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_import_enum_extension_lite    ));
@@ -1260,6 +1303,7 @@ void TestUtilLite::ExpectRepeatedExtensionsModified(
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_nested_message_extension_lite ));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_foreign_message_extension_lite));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_import_message_extension_lite ));
+  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_lazy_message_extension_lite   ));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_nested_enum_extension_lite    ));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_foreign_enum_extension_lite   ));
   ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_import_enum_extension_lite    ));
@@ -1285,6 +1329,7 @@ void TestUtilLite::ExpectRepeatedExtensionsModified(
   EXPECT_EQ(218, message.GetExtension(unittest::repeated_nested_message_extension_lite , 0).bb());
   EXPECT_EQ(219, message.GetExtension(unittest::repeated_foreign_message_extension_lite, 0).c());
   EXPECT_EQ(220, message.GetExtension(unittest::repeated_import_message_extension_lite , 0).d());
+  EXPECT_EQ(227, message.GetExtension(unittest::repeated_lazy_message_extension_lite   , 0).bb());
 
   EXPECT_EQ(unittest::TestAllTypesLite::BAR , message.GetExtension(unittest::repeated_nested_enum_extension_lite , 0));
   EXPECT_EQ(unittest::FOREIGN_LITE_BAR      , message.GetExtension(unittest::repeated_foreign_enum_extension_lite, 0));
@@ -1312,6 +1357,7 @@ void TestUtilLite::ExpectRepeatedExtensionsModified(
   EXPECT_EQ(518, message.GetExtension(unittest::repeated_nested_message_extension_lite , 1).bb());
   EXPECT_EQ(519, message.GetExtension(unittest::repeated_foreign_message_extension_lite, 1).c());
   EXPECT_EQ(520, message.GetExtension(unittest::repeated_import_message_extension_lite , 1).d());
+  EXPECT_EQ(527, message.GetExtension(unittest::repeated_lazy_message_extension_lite   , 1).bb());
 
   EXPECT_EQ(unittest::TestAllTypesLite::FOO , message.GetExtension(unittest::repeated_nested_enum_extension_lite , 1));
   EXPECT_EQ(unittest::FOREIGN_LITE_FOO      , message.GetExtension(unittest::repeated_foreign_enum_extension_lite, 1));
diff --git a/common/protobuf-2.3.0/src/google/protobuf/test_util_lite.h b/common/protobuf-2.5.0/src/google/protobuf/test_util_lite.h
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/test_util_lite.h
rename to common/protobuf-2.5.0/src/google/protobuf/test_util_lite.h
diff --git a/common/protobuf-2.5.0/src/google/protobuf/testdata/golden_message b/common/protobuf-2.5.0/src/google/protobuf/testdata/golden_message
new file mode 100644
index 0000000000000000000000000000000000000000..4dd62cd3bbd87cbdcdb765e1ae69f6a673287806
GIT binary patch
literal 509
zcmXxfJxo(k6bJBo{^!0@HbzE9N8iVNn@ORwgK?FCfse??06~EPUeMvisa6vnMU%qR
z5DS!vkd&_ltq`DLfNB`f!7!P~(9v^iJ$d=v|9R&o@168u*HHIx&&Y#1J-nnxqe`jX
zF~Qd3apB2CD=XEn)J@;OzvfwHgeKW_&72UvqL`*%Q=X81Q4n6P2{R?)ElTZB=Mk~%
z1vRUw%VfSGEHvp0HK~jUHHxr-7+)#ICUQ8T9JY|4zzJ@35g)jSpSp}Q`F0sTDOJIF
z`==@hq_<VYMN1?7A?mGnHihl^DU^De6{D5xg=DGddFFqb%3Oi2pl-pQYee5QcQ%Kj
z?}mTS#5LW+o>kmqkvZKU>mJ^S-^jX;y!f502S`{RF0xbPREg6i?%Zbfyg>B5VAp0N
z`ktxD{U2mK#xH)$zd6rMe#eo1&#_)l<@Bf2N4+GQtm>q_PgyTZs^~(yuWA*YW)F31
fvxC{pXRYd*1J^XHVeC-O(TUTs=5XKz>sIp@DQ$T4

literal 0
HcmV?d00001

diff --git a/common/protobuf-2.3.0/src/google/protobuf/testdata/golden_packed_fields_message b/common/protobuf-2.5.0/src/google/protobuf/testdata/golden_packed_fields_message
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/testdata/golden_packed_fields_message
rename to common/protobuf-2.5.0/src/google/protobuf/testdata/golden_packed_fields_message
diff --git a/common/protobuf-2.3.0/src/google/protobuf/testdata/text_format_unittest_data.txt b/common/protobuf-2.5.0/src/google/protobuf/testdata/text_format_unittest_data.txt
similarity index 93%
rename from common/protobuf-2.3.0/src/google/protobuf/testdata/text_format_unittest_data.txt
rename to common/protobuf-2.5.0/src/google/protobuf/testdata/text_format_unittest_data.txt
index feea8f7b..bbe58826 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/testdata/text_format_unittest_data.txt
+++ b/common/protobuf-2.5.0/src/google/protobuf/testdata/text_format_unittest_data.txt
@@ -30,6 +30,12 @@ optional_foreign_enum: FOREIGN_BAZ
 optional_import_enum: IMPORT_BAZ
 optional_string_piece: "124"
 optional_cord: "125"
+optional_public_import_message {
+  e: 126
+}
+optional_lazy_message {
+  bb: 127
+}
 repeated_int32: 201
 repeated_int32: 301
 repeated_int64: 202
@@ -94,6 +100,12 @@ repeated_string_piece: "224"
 repeated_string_piece: "324"
 repeated_cord: "225"
 repeated_cord: "325"
+repeated_lazy_message {
+  bb: 227
+}
+repeated_lazy_message {
+  bb: 327
+}
 default_int32: 401
 default_int64: 402
 default_uint32: 403
diff --git a/common/protobuf-2.3.0/src/google/protobuf/testdata/text_format_unittest_extensions_data.txt b/common/protobuf-2.5.0/src/google/protobuf/testdata/text_format_unittest_extensions_data.txt
similarity index 94%
rename from common/protobuf-2.3.0/src/google/protobuf/testdata/text_format_unittest_extensions_data.txt
rename to common/protobuf-2.5.0/src/google/protobuf/testdata/text_format_unittest_extensions_data.txt
index 057beae8..0a217f02 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/testdata/text_format_unittest_extensions_data.txt
+++ b/common/protobuf-2.5.0/src/google/protobuf/testdata/text_format_unittest_extensions_data.txt
@@ -30,6 +30,12 @@
 [protobuf_unittest.optional_import_enum_extension]: IMPORT_BAZ
 [protobuf_unittest.optional_string_piece_extension]: "124"
 [protobuf_unittest.optional_cord_extension]: "125"
+[protobuf_unittest.optional_public_import_message_extension] {
+  e: 126
+}
+[protobuf_unittest.optional_lazy_message_extension] {
+  bb: 127
+}
 [protobuf_unittest.repeated_int32_extension]: 201
 [protobuf_unittest.repeated_int32_extension]: 301
 [protobuf_unittest.repeated_int64_extension]: 202
@@ -94,6 +100,12 @@
 [protobuf_unittest.repeated_string_piece_extension]: "324"
 [protobuf_unittest.repeated_cord_extension]: "225"
 [protobuf_unittest.repeated_cord_extension]: "325"
+[protobuf_unittest.repeated_lazy_message_extension] {
+  bb: 227
+}
+[protobuf_unittest.repeated_lazy_message_extension] {
+  bb: 327
+}
 [protobuf_unittest.default_int32_extension]: 401
 [protobuf_unittest.default_int64_extension]: 402
 [protobuf_unittest.default_uint32_extension]: 403
diff --git a/common/protobuf-2.3.0/src/google/protobuf/testing/file.cc b/common/protobuf-2.5.0/src/google/protobuf/testing/file.cc
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/testing/file.cc
rename to common/protobuf-2.5.0/src/google/protobuf/testing/file.cc
diff --git a/common/protobuf-2.3.0/src/google/protobuf/testing/file.h b/common/protobuf-2.5.0/src/google/protobuf/testing/file.h
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/testing/file.h
rename to common/protobuf-2.5.0/src/google/protobuf/testing/file.h
diff --git a/common/protobuf-2.3.0/src/google/protobuf/testing/googletest.cc b/common/protobuf-2.5.0/src/google/protobuf/testing/googletest.cc
similarity index 96%
rename from common/protobuf-2.3.0/src/google/protobuf/testing/googletest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/testing/googletest.cc
index cd094d0c..a8da6b1d 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/testing/googletest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/testing/googletest.cc
@@ -223,16 +223,17 @@ ScopedMemoryLog::~ScopedMemoryLog() {
   active_log_ = NULL;
 }
 
-const vector<string>& ScopedMemoryLog::GetMessages(LogLevel dummy) const {
-  GOOGLE_CHECK_EQ(dummy, ERROR);
-  return messages_;
+const vector<string>& ScopedMemoryLog::GetMessages(LogLevel level) {
+  GOOGLE_CHECK(level == ERROR ||
+               level == WARNING);
+  return messages_[level];
 }
 
 void ScopedMemoryLog::HandleLog(LogLevel level, const char* filename,
                                 int line, const string& message) {
   GOOGLE_CHECK(active_log_ != NULL);
-  if (level == ERROR) {
-    active_log_->messages_.push_back(message);
+  if (level == ERROR || level == WARNING) {
+    active_log_->messages_[level].push_back(message);
   }
 }
 
diff --git a/common/protobuf-2.3.0/src/google/protobuf/testing/googletest.h b/common/protobuf-2.5.0/src/google/protobuf/testing/googletest.h
similarity index 90%
rename from common/protobuf-2.3.0/src/google/protobuf/testing/googletest.h
rename to common/protobuf-2.5.0/src/google/protobuf/testing/googletest.h
index 71444c96..003be106 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/testing/googletest.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/testing/googletest.h
@@ -34,9 +34,15 @@
 #ifndef GOOGLE_PROTOBUF_GOOGLETEST_H__
 #define GOOGLE_PROTOBUF_GOOGLETEST_H__
 
+#include <map>
 #include <vector>
 #include <google/protobuf/stubs/common.h>
 
+// Disable death tests if we use exceptions in CHECK().
+#if !PROTOBUF_USE_EXCEPTIONS && defined(GTEST_HAS_DEATH_TEST)
+#define PROTOBUF_HAS_DEATH_TEST
+#endif
+
 namespace google {
 namespace protobuf {
 
@@ -60,6 +66,7 @@ string GetCapturedTestStderr();
 // ScopedMemoryLog refers to LOGLEVEL_ERROR as just ERROR.
 #undef ERROR  // defend against promiscuous windows.h
 static const LogLevel ERROR = LOGLEVEL_ERROR;
+static const LogLevel WARNING = LOGLEVEL_WARNING;
 
 // Receives copies of all LOG(ERROR) messages while in scope.  Sample usage:
 //   {
@@ -74,14 +81,11 @@ class ScopedMemoryLog {
   ScopedMemoryLog();
   virtual ~ScopedMemoryLog();
 
-  // Fetches all messages logged.  The internal version of this class
-  // would only fetch messages at the given security level, but the protobuf
-  // open source version ignores the argument since we always pass ERROR
-  // anyway.
-  const vector<string>& GetMessages(LogLevel dummy) const;
+  // Fetches all messages with the given severity level.
+  const vector<string>& GetMessages(LogLevel error);
 
  private:
-  vector<string> messages_;
+  map<LogLevel, vector<string> > messages_;
   LogHandler* old_handler_;
 
   static void HandleLog(LogLevel level, const char* filename, int line,
diff --git a/common/protobuf-2.3.0/src/google/protobuf/testing/zcgunzip.cc b/common/protobuf-2.5.0/src/google/protobuf/testing/zcgunzip.cc
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/testing/zcgunzip.cc
rename to common/protobuf-2.5.0/src/google/protobuf/testing/zcgunzip.cc
diff --git a/common/protobuf-2.3.0/src/google/protobuf/testing/zcgzip.cc b/common/protobuf-2.5.0/src/google/protobuf/testing/zcgzip.cc
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/testing/zcgzip.cc
rename to common/protobuf-2.5.0/src/google/protobuf/testing/zcgzip.cc
diff --git a/common/protobuf-2.3.0/src/google/protobuf/text_format.cc b/common/protobuf-2.5.0/src/google/protobuf/text_format.cc
similarity index 76%
rename from common/protobuf-2.3.0/src/google/protobuf/text_format.cc
rename to common/protobuf-2.5.0/src/google/protobuf/text_format.cc
index 137cbcee..cabb99ed 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/text_format.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/text_format.cc
@@ -37,6 +37,7 @@
 #include <stdio.h>
 #include <stack>
 #include <limits>
+#include <vector>
 
 #include <google/protobuf/text_format.h>
 
@@ -48,6 +49,8 @@
 #include <google/protobuf/descriptor.pb.h>
 #include <google/protobuf/io/tokenizer.h>
 #include <google/protobuf/stubs/strutil.h>
+#include <google/protobuf/stubs/map-util.h>
+#include <google/protobuf/stubs/stl_util.h>
 
 namespace google {
 namespace protobuf {
@@ -92,6 +95,73 @@ void Message::PrintDebugString() const {
 }
 
 
+// ===========================================================================
+// Implementation of the parse information tree class.
+TextFormat::ParseInfoTree::ParseInfoTree() { }
+
+TextFormat::ParseInfoTree::~ParseInfoTree() {
+  // Remove any nested information trees, as they are owned by this tree.
+  for (NestedMap::iterator it = nested_.begin(); it != nested_.end(); ++it) {
+    STLDeleteElements(&(it->second));
+  }
+}
+
+void TextFormat::ParseInfoTree::RecordLocation(
+    const FieldDescriptor* field,
+    TextFormat::ParseLocation location) {
+  locations_[field].push_back(location);
+}
+
+TextFormat::ParseInfoTree* TextFormat::ParseInfoTree::CreateNested(
+    const FieldDescriptor* field) {
+  // Owned by us in the map.
+  TextFormat::ParseInfoTree* instance = new TextFormat::ParseInfoTree();
+  vector<TextFormat::ParseInfoTree*>* trees = &nested_[field];
+  GOOGLE_CHECK(trees);
+  trees->push_back(instance);
+  return instance;
+}
+
+void CheckFieldIndex(const FieldDescriptor* field, int index) {
+  if (field == NULL) { return; }
+
+  if (field->is_repeated() && index == -1) {
+    GOOGLE_LOG(DFATAL) << "Index must be in range of repeated field values. "
+                << "Field: " << field->name();
+  } else if (!field->is_repeated() && index != -1) {
+    GOOGLE_LOG(DFATAL) << "Index must be -1 for singular fields."
+                << "Field: " << field->name();
+  }
+}
+
+TextFormat::ParseLocation TextFormat::ParseInfoTree::GetLocation(
+    const FieldDescriptor* field, int index) const {
+  CheckFieldIndex(field, index);
+  if (index == -1) { index = 0; }
+
+  const vector<TextFormat::ParseLocation>* locations =
+      FindOrNull(locations_, field);
+  if (locations == NULL || index >= locations->size()) {
+    return TextFormat::ParseLocation();
+  }
+
+  return (*locations)[index];
+}
+
+TextFormat::ParseInfoTree* TextFormat::ParseInfoTree::GetTreeForNested(
+    const FieldDescriptor* field, int index) const {
+  CheckFieldIndex(field, index);
+  if (index == -1) { index = 0; }
+
+  const vector<TextFormat::ParseInfoTree*>* trees = FindOrNull(nested_, field);
+  if (trees == NULL || index >= trees->size()) {
+    return NULL;
+  }
+
+  return (*trees)[index];
+}
+
+
 // ===========================================================================
 // Internal class for parsing an ASCII representation of a Protocol Message.
 // This class makes use of the Protocol Message compiler's tokenizer found
@@ -118,12 +188,18 @@ class TextFormat::Parser::ParserImpl {
   ParserImpl(const Descriptor* root_message_type,
              io::ZeroCopyInputStream* input_stream,
              io::ErrorCollector* error_collector,
-             SingularOverwritePolicy singular_overwrite_policy)
+             TextFormat::Finder* finder,
+             ParseInfoTree* parse_info_tree,
+             SingularOverwritePolicy singular_overwrite_policy,
+             bool allow_unknown_field)
     : error_collector_(error_collector),
+      finder_(finder),
+      parse_info_tree_(parse_info_tree),
       tokenizer_error_collector_(this),
       tokenizer_(input_stream, &tokenizer_error_collector_),
       root_message_type_(root_message_type),
       singular_overwrite_policy_(singular_overwrite_policy),
+      allow_unknown_field_(allow_unknown_field),
       had_errors_(false) {
     // For backwards-compatibility with proto1, we need to allow the 'f' suffix
     // for floats.
@@ -237,6 +313,8 @@ class TextFormat::Parser::ParserImpl {
     string field_name;
 
     const FieldDescriptor* field = NULL;
+    int start_line = tokenizer_.current().line;
+    int start_column = tokenizer_.current().column;
 
     if (TryConsume("[")) {
       // Extension.
@@ -249,13 +327,21 @@ class TextFormat::Parser::ParserImpl {
       }
       DO(Consume("]"));
 
-      field = reflection->FindKnownExtensionByName(field_name);
+      field = (finder_ != NULL
+               ? finder_->FindExtension(message, field_name)
+               : reflection->FindKnownExtensionByName(field_name));
 
       if (field == NULL) {
-        ReportError("Extension \"" + field_name + "\" is not defined or "
-                    "is not an extension of \"" +
-                    descriptor->full_name() + "\".");
-        return false;
+        if (!allow_unknown_field_) {
+          ReportError("Extension \"" + field_name + "\" is not defined or "
+                      "is not an extension of \"" +
+                      descriptor->full_name() + "\".");
+          return false;
+        } else {
+          ReportWarning("Extension \"" + field_name + "\" is not defined or "
+                        "is not an extension of \"" +
+                        descriptor->full_name() + "\".");
+        }
       }
     } else {
       DO(ConsumeIdentifier(&field_name));
@@ -280,9 +366,30 @@ class TextFormat::Parser::ParserImpl {
       }
 
       if (field == NULL) {
-        ReportError("Message type \"" + descriptor->full_name() +
-                    "\" has no field named \"" + field_name + "\".");
-        return false;
+        if (!allow_unknown_field_) {
+          ReportError("Message type \"" + descriptor->full_name() +
+                      "\" has no field named \"" + field_name + "\".");
+          return false;
+        } else {
+          ReportWarning("Message type \"" + descriptor->full_name() +
+                        "\" has no field named \"" + field_name + "\".");
+        }
+      }
+    }
+
+    // Skips unknown field.
+    if (field == NULL) {
+      GOOGLE_CHECK(allow_unknown_field_);
+      // Try to guess the type of this field.
+      // If this field is not a message, there should be a ":" between the
+      // field name and the field value and also the field value should not
+      // start with "{" or "<" which indicates the begining of a message body.
+      // If there is no ":" or there is a "{" or "<" after ":", this field has
+      // to be a message or the input is ill-formed.
+      if (TryConsume(":") && !LookingAt("{") && !LookingAt("<")) {
+        return SkipFieldValue();
+      } else {
+        return SkipFieldMessage();
       }
     }
 
@@ -301,20 +408,84 @@ class TextFormat::Parser::ParserImpl {
       DO(ConsumeFieldMessage(message, reflection, field));
     } else {
       DO(Consume(":"));
-      DO(ConsumeFieldValue(message, reflection, field));
+      if (field->is_repeated() && TryConsume("[")) {
+        // Short repeated format, e.g.  "foo: [1, 2, 3]"
+        while (true) {
+          DO(ConsumeFieldValue(message, reflection, field));
+          if (TryConsume("]")) {
+            break;
+          }
+          DO(Consume(","));
+        }
+      } else {
+        DO(ConsumeFieldValue(message, reflection, field));
+      }
     }
 
+    // For historical reasons, fields may optionally be separated by commas or
+    // semicolons.
+    TryConsume(";") || TryConsume(",");
+
     if (field->options().deprecated()) {
       ReportWarning("text format contains deprecated field \""
                     + field_name + "\"");
     }
 
+    // If a parse info tree exists, add the location for the parsed
+    // field.
+    if (parse_info_tree_ != NULL) {
+      RecordLocation(parse_info_tree_, field,
+                     ParseLocation(start_line, start_column));
+    }
+
+    return true;
+  }
+
+  // Skips the next field including the field's name and value.
+  bool SkipField() {
+    string field_name;
+    if (TryConsume("[")) {
+      // Extension name.
+      DO(ConsumeIdentifier(&field_name));
+      while (TryConsume(".")) {
+        string part;
+        DO(ConsumeIdentifier(&part));
+        field_name += ".";
+        field_name += part;
+      }
+      DO(Consume("]"));
+    } else {
+      DO(ConsumeIdentifier(&field_name));
+    }
+
+    // Try to guess the type of this field.
+    // If this field is not a message, there should be a ":" between the
+    // field name and the field value and also the field value should not
+    // start with "{" or "<" which indicates the begining of a message body.
+    // If there is no ":" or there is a "{" or "<" after ":", this field has
+    // to be a message or the input is ill-formed.
+    if (TryConsume(":") && !LookingAt("{") && !LookingAt("<")) {
+      DO(SkipFieldValue());
+    } else {
+      DO(SkipFieldMessage());
+    }
+    // For historical reasons, fields may optionally be separated by commas or
+    // semicolons.
+    TryConsume(";") || TryConsume(",");
     return true;
   }
 
   bool ConsumeFieldMessage(Message* message,
                            const Reflection* reflection,
                            const FieldDescriptor* field) {
+
+    // If the parse information tree is not NULL, create a nested one
+    // for the nested message.
+    ParseInfoTree* parent = parse_info_tree_;
+    if (parent != NULL) {
+      parse_info_tree_ = CreateNested(parent, field);
+    }
+
     string delimeter;
     if (TryConsume("<")) {
       delimeter = ">";
@@ -329,6 +500,26 @@ class TextFormat::Parser::ParserImpl {
       DO(ConsumeMessage(reflection->MutableMessage(message, field),
                         delimeter));
     }
+
+    // Reset the parse information tree.
+    parse_info_tree_ = parent;
+    return true;
+  }
+
+  // Skips the whole body of a message including the begining delimeter and
+  // the ending delimeter.
+  bool SkipFieldMessage() {
+    string delimeter;
+    if (TryConsume("<")) {
+      delimeter = ">";
+    } else {
+      DO(Consume("{"));
+      delimeter = "}";
+    }
+    while (!LookingAt(">") &&  !LookingAt("}")) {
+      DO(SkipField());
+    }
+    DO(Consume(delimeter));
     return true;
   }
 
@@ -397,29 +588,46 @@ class TextFormat::Parser::ParserImpl {
       }
 
       case FieldDescriptor::CPPTYPE_BOOL: {
-        string value;
-        DO(ConsumeIdentifier(&value));
-
-        if (value == "true") {
-          SET_FIELD(Bool, true);
-        } else if (value == "false") {
-          SET_FIELD(Bool, false);
+        if (LookingAtType(io::Tokenizer::TYPE_INTEGER)) {
+          uint64 value;
+          DO(ConsumeUnsignedInteger(&value, 1));
+          SET_FIELD(Bool, value);
         } else {
-          ReportError("Invalid value for boolean field \"" + field->name()
-                      + "\". Value: \"" + value  + "\".");
-          return false;
+          string value;
+          DO(ConsumeIdentifier(&value));
+          if (value == "true" || value == "t") {
+            SET_FIELD(Bool, true);
+          } else if (value == "false" || value == "f") {
+            SET_FIELD(Bool, false);
+          } else {
+            ReportError("Invalid value for boolean field \"" + field->name()
+                        + "\". Value: \"" + value  + "\".");
+            return false;
+          }
         }
         break;
       }
 
       case FieldDescriptor::CPPTYPE_ENUM: {
         string value;
-        DO(ConsumeIdentifier(&value));
-
-        // Find the enumeration value.
         const EnumDescriptor* enum_type = field->enum_type();
-        const EnumValueDescriptor* enum_value
-            = enum_type->FindValueByName(value);
+        const EnumValueDescriptor* enum_value = NULL;
+
+        if (LookingAtType(io::Tokenizer::TYPE_IDENTIFIER)) {
+          DO(ConsumeIdentifier(&value));
+          // Find the enumeration value.
+          enum_value = enum_type->FindValueByName(value);
+
+        } else if (LookingAt("-") ||
+                   LookingAtType(io::Tokenizer::TYPE_INTEGER)) {
+          int64 int_value;
+          DO(ConsumeSignedInteger(&int_value, kint32max));
+          value = SimpleItoa(int_value);        // for error reporting
+          enum_value = enum_type->FindValueByNumber(int_value);
+        } else {
+          ReportError("Expected integer or identifier.");
+          return false;
+        }
 
         if (enum_value == NULL) {
           ReportError("Unknown enumeration value of \"" + value  + "\" for "
@@ -442,6 +650,60 @@ class TextFormat::Parser::ParserImpl {
     return true;
   }
 
+  bool SkipFieldValue() {
+    if (LookingAtType(io::Tokenizer::TYPE_STRING)) {
+      while (LookingAtType(io::Tokenizer::TYPE_STRING)) {
+        tokenizer_.Next();
+      }
+      return true;
+    }
+    // Possible field values other than string:
+    //   12345        => TYPE_INTEGER
+    //   -12345       => TYPE_SYMBOL + TYPE_INTEGER
+    //   1.2345       => TYPE_FLOAT
+    //   -1.2345      => TYPE_SYMBOL + TYPE_FLOAT
+    //   inf          => TYPE_IDENTIFIER
+    //   -inf         => TYPE_SYMBOL + TYPE_IDENTIFIER
+    //   TYPE_INTEGER => TYPE_IDENTIFIER
+    // Divides them into two group, one with TYPE_SYMBOL
+    // and the other without:
+    //   Group one:
+    //     12345        => TYPE_INTEGER
+    //     1.2345       => TYPE_FLOAT
+    //     inf          => TYPE_IDENTIFIER
+    //     TYPE_INTEGER => TYPE_IDENTIFIER
+    //   Group two:
+    //     -12345       => TYPE_SYMBOL + TYPE_INTEGER
+    //     -1.2345      => TYPE_SYMBOL + TYPE_FLOAT
+    //     -inf         => TYPE_SYMBOL + TYPE_IDENTIFIER
+    // As we can see, the field value consists of an optional '-' and one of
+    // TYPE_INTEGER, TYPE_FLOAT and TYPE_IDENTIFIER.
+    bool has_minus = TryConsume("-");
+    if (!LookingAtType(io::Tokenizer::TYPE_INTEGER) &&
+        !LookingAtType(io::Tokenizer::TYPE_FLOAT) &&
+        !LookingAtType(io::Tokenizer::TYPE_IDENTIFIER)) {
+      return false;
+    }
+    // Combination of '-' and TYPE_IDENTIFIER may result in an invalid field
+    // value while other combinations all generate valid values.
+    // We check if the value of this combination is valid here.
+    // TYPE_IDENTIFIER after a '-' should be one of the float values listed
+    // below:
+    //   inf, inff, infinity, nan
+    if (has_minus && LookingAtType(io::Tokenizer::TYPE_IDENTIFIER)) {
+      string text = tokenizer_.current().text;
+      LowerString(&text);
+      if (text != "inf" &&
+          text != "infinity" &&
+          text != "nan") {
+        ReportError("Invalid float number: " + text);
+        return false;
+      }
+    }
+    tokenizer_.Next();
+    return true;
+  }
+
   // Returns true if the current token's text is equal to that specified.
   bool LookingAt(const string& text) {
     return tokenizer_.current().text == text;
@@ -559,7 +821,8 @@ class TextFormat::Parser::ParserImpl {
     } else if (LookingAtType(io::Tokenizer::TYPE_IDENTIFIER)) {
       string text = tokenizer_.current().text;
       LowerString(&text);
-      if (text == "inf" || text == "infinity") {
+      if (text == "inf" ||
+          text == "infinity") {
         *value = std::numeric_limits<double>::infinity();
         tokenizer_.Next();
       } else if (text == "nan") {
@@ -632,10 +895,13 @@ class TextFormat::Parser::ParserImpl {
   };
 
   io::ErrorCollector* error_collector_;
+  TextFormat::Finder* finder_;
+  ParseInfoTree* parse_info_tree_;
   ParserErrorCollector tokenizer_error_collector_;
   io::Tokenizer tokenizer_;
   const Descriptor* root_message_type_;
   SingularOverwritePolicy singular_overwrite_policy_;
+  bool allow_unknown_field_;
   bool had_errors_;
 };
 
@@ -661,7 +927,7 @@ class TextFormat::Printer::TextGenerator {
   ~TextGenerator() {
     // Only BackUp() if we're sure we've successfully called Next() at least
     // once.
-    if (buffer_size_ > 0) {
+    if (!failed_ && buffer_size_ > 0) {
       output_->BackUp(buffer_size_);
     }
   }
@@ -765,9 +1031,16 @@ class TextFormat::Printer::TextGenerator {
 
 // ===========================================================================
 
+TextFormat::Finder::~Finder() {
+}
+
 TextFormat::Parser::Parser()
   : error_collector_(NULL),
-    allow_partial_(false) {}
+    finder_(NULL),
+    parse_info_tree_(NULL),
+    allow_partial_(false),
+    allow_unknown_field_(false) {
+}
 
 TextFormat::Parser::~Parser() {}
 
@@ -775,7 +1048,9 @@ bool TextFormat::Parser::Parse(io::ZeroCopyInputStream* input,
                                Message* output) {
   output->Clear();
   ParserImpl parser(output->GetDescriptor(), input, error_collector_,
-                    ParserImpl::FORBID_SINGULAR_OVERWRITES);
+                    finder_, parse_info_tree_,
+                    ParserImpl::FORBID_SINGULAR_OVERWRITES,
+                    allow_unknown_field_);
   return MergeUsingImpl(input, output, &parser);
 }
 
@@ -788,7 +1063,9 @@ bool TextFormat::Parser::ParseFromString(const string& input,
 bool TextFormat::Parser::Merge(io::ZeroCopyInputStream* input,
                                Message* output) {
   ParserImpl parser(output->GetDescriptor(), input, error_collector_,
-                    ParserImpl::ALLOW_SINGULAR_OVERWRITES);
+                    finder_, parse_info_tree_,
+                    ParserImpl::ALLOW_SINGULAR_OVERWRITES,
+                    allow_unknown_field_);
   return MergeUsingImpl(input, output, &parser);
 }
 
@@ -818,7 +1095,9 @@ bool TextFormat::Parser::ParseFieldValueFromString(
     Message* output) {
   io::ArrayInputStream input_stream(input.data(), input.size());
   ParserImpl parser(output->GetDescriptor(), &input_stream, error_collector_,
-                    ParserImpl::ALLOW_SINGULAR_OVERWRITES);
+                    finder_, parse_info_tree_,
+                    ParserImpl::ALLOW_SINGULAR_OVERWRITES,
+                    allow_unknown_field_);
   return parser.ParseField(field, output);
 }
 
@@ -853,7 +1132,7 @@ TextFormat::Printer::Printer()
 TextFormat::Printer::~Printer() {}
 
 bool TextFormat::Printer::PrintToString(const Message& message,
-                                        string* output) {
+                                        string* output) const {
   GOOGLE_DCHECK(output) << "output specified is NULL";
 
   output->clear();
@@ -866,7 +1145,7 @@ bool TextFormat::Printer::PrintToString(const Message& message,
 
 bool TextFormat::Printer::PrintUnknownFieldsToString(
     const UnknownFieldSet& unknown_fields,
-    string* output) {
+    string* output) const {
   GOOGLE_DCHECK(output) << "output specified is NULL";
 
   output->clear();
@@ -875,7 +1154,7 @@ bool TextFormat::Printer::PrintUnknownFieldsToString(
 }
 
 bool TextFormat::Printer::Print(const Message& message,
-                                io::ZeroCopyOutputStream* output) {
+                                io::ZeroCopyOutputStream* output) const {
   TextGenerator generator(output, initial_indent_level_);
 
   Print(message, generator);
@@ -886,7 +1165,7 @@ bool TextFormat::Printer::Print(const Message& message,
 
 bool TextFormat::Printer::PrintUnknownFields(
     const UnknownFieldSet& unknown_fields,
-    io::ZeroCopyOutputStream* output) {
+    io::ZeroCopyOutputStream* output) const {
   TextGenerator generator(output, initial_indent_level_);
 
   PrintUnknownFields(unknown_fields, generator);
@@ -896,7 +1175,7 @@ bool TextFormat::Printer::PrintUnknownFields(
 }
 
 void TextFormat::Printer::Print(const Message& message,
-                                TextGenerator& generator) {
+                                TextGenerator& generator) const {
   const Reflection* reflection = message.GetReflection();
   vector<const FieldDescriptor*> fields;
   reflection->ListFields(message, &fields);
@@ -910,7 +1189,7 @@ void TextFormat::Printer::PrintFieldValueToString(
     const Message& message,
     const FieldDescriptor* field,
     int index,
-    string* output) {
+    string* output) const {
 
   GOOGLE_DCHECK(output) << "output specified is NULL";
 
@@ -924,7 +1203,7 @@ void TextFormat::Printer::PrintFieldValueToString(
 void TextFormat::Printer::PrintField(const Message& message,
                                      const Reflection* reflection,
                                      const FieldDescriptor* field,
-                                     TextGenerator& generator) {
+                                     TextGenerator& generator) const {
   if (use_short_repeated_primitives_ &&
       field->is_repeated() &&
       field->cpp_type() != FieldDescriptor::CPPTYPE_STRING &&
@@ -980,10 +1259,11 @@ void TextFormat::Printer::PrintField(const Message& message,
   }
 }
 
-void TextFormat::Printer::PrintShortRepeatedField(const Message& message,
-                                                  const Reflection* reflection,
-                                                  const FieldDescriptor* field,
-                                                  TextGenerator& generator) {
+void TextFormat::Printer::PrintShortRepeatedField(
+    const Message& message,
+    const Reflection* reflection,
+    const FieldDescriptor* field,
+    TextGenerator& generator) const {
   // Print primitive repeated field in short form.
   PrintFieldName(message, reflection, field, generator);
 
@@ -1003,7 +1283,7 @@ void TextFormat::Printer::PrintShortRepeatedField(const Message& message,
 void TextFormat::Printer::PrintFieldName(const Message& message,
                                          const Reflection* reflection,
                                          const FieldDescriptor* field,
-                                         TextGenerator& generator) {
+                                         TextGenerator& generator) const {
   if (field->is_extension()) {
     generator.Print("[");
     // We special-case MessageSet elements for compatibility with proto1.
@@ -1031,7 +1311,7 @@ void TextFormat::Printer::PrintFieldValue(
     const Reflection* reflection,
     const FieldDescriptor* field,
     int index,
-    TextGenerator& generator) {
+    TextGenerator& generator) const {
   GOOGLE_DCHECK(field->is_repeated() || (index == -1))
       << "Index must be -1 for non-repeated fields";
 
@@ -1143,7 +1423,7 @@ static string PaddedHex(IntType value) {
 }
 
 void TextFormat::Printer::PrintUnknownFields(
-    const UnknownFieldSet& unknown_fields, TextGenerator& generator) {
+    const UnknownFieldSet& unknown_fields, TextGenerator& generator) const {
   for (int i = 0; i < unknown_fields.field_count(); i++) {
     const UnknownField& field = unknown_fields.field(i);
     string field_number = SimpleItoa(field.number());
diff --git a/common/protobuf-2.3.0/src/google/protobuf/text_format.h b/common/protobuf-2.5.0/src/google/protobuf/text_format.h
similarity index 68%
rename from common/protobuf-2.3.0/src/google/protobuf/text_format.h
rename to common/protobuf-2.5.0/src/google/protobuf/text_format.h
index e78e1042..01f3ffb0 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/text_format.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/text_format.h
@@ -38,7 +38,10 @@
 #ifndef GOOGLE_PROTOBUF_TEXT_FORMAT_H__
 #define GOOGLE_PROTOBUF_TEXT_FORMAT_H__
 
+#include <map>
 #include <string>
+#include <vector>
+#include <google/protobuf/stubs/common.h>
 #include <google/protobuf/message.h>
 #include <google/protobuf/descriptor.h>
 
@@ -90,20 +93,20 @@ class LIBPROTOBUF_EXPORT TextFormat {
     ~Printer();
 
     // Like TextFormat::Print
-    bool Print(const Message& message, io::ZeroCopyOutputStream* output);
+    bool Print(const Message& message, io::ZeroCopyOutputStream* output) const;
     // Like TextFormat::PrintUnknownFields
     bool PrintUnknownFields(const UnknownFieldSet& unknown_fields,
-                            io::ZeroCopyOutputStream* output);
+                            io::ZeroCopyOutputStream* output) const;
     // Like TextFormat::PrintToString
-    bool PrintToString(const Message& message, string* output);
+    bool PrintToString(const Message& message, string* output) const;
     // Like TextFormat::PrintUnknownFieldsToString
     bool PrintUnknownFieldsToString(const UnknownFieldSet& unknown_fields,
-                                    string* output);
+                                    string* output) const;
     // Like TextFormat::PrintFieldValueToString
     void PrintFieldValueToString(const Message& message,
                                  const FieldDescriptor* field,
                                  int index,
-                                 string* output);
+                                 string* output) const;
 
     // Adjust the initial indent level of all output.  Each indent level is
     // equal to two spaces.
@@ -121,8 +124,7 @@ class LIBPROTOBUF_EXPORT TextFormat {
     //   field_name: [1, 2, 3, 4]
     // instead of printing each value on its own line.  Short format applies
     // only to primitive values -- i.e. everything except strings and
-    // sub-messages/groups.  Note that at present this format is not recognized
-    // by the parser.
+    // sub-messages/groups.
     void SetUseShortRepeatedPrimitives(bool use_short_repeated_primitives) {
       use_short_repeated_primitives_ = use_short_repeated_primitives;
     }
@@ -143,26 +145,26 @@ class LIBPROTOBUF_EXPORT TextFormat {
     // Internal Print method, used for writing to the OutputStream via
     // the TextGenerator class.
     void Print(const Message& message,
-               TextGenerator& generator);
+               TextGenerator& generator) const;
 
     // Print a single field.
     void PrintField(const Message& message,
                     const Reflection* reflection,
                     const FieldDescriptor* field,
-                    TextGenerator& generator);
+                    TextGenerator& generator) const;
 
     // Print a repeated primitive field in short form.
     void PrintShortRepeatedField(const Message& message,
                                  const Reflection* reflection,
                                  const FieldDescriptor* field,
-                                 TextGenerator& generator);
+                                 TextGenerator& generator) const;
 
     // Print the name of a field -- i.e. everything that comes before the
     // ':' for a single name/value pair.
     void PrintFieldName(const Message& message,
                         const Reflection* reflection,
                         const FieldDescriptor* field,
-                        TextGenerator& generator);
+                        TextGenerator& generator) const;
 
     // Outputs a textual representation of the value of the field supplied on
     // the message supplied or the default value if not set.
@@ -170,13 +172,13 @@ class LIBPROTOBUF_EXPORT TextFormat {
                          const Reflection* reflection,
                          const FieldDescriptor* field,
                          int index,
-                         TextGenerator& generator);
+                         TextGenerator& generator) const;
 
     // Print the fields in an UnknownFieldSet.  They are printed by tag number
     // only.  Embedded messages are heuristically identified by attempting to
     // parse them.
     void PrintUnknownFields(const UnknownFieldSet& unknown_fields,
-                            TextGenerator& generator);
+                            TextGenerator& generator) const;
 
     int initial_indent_level_;
 
@@ -207,6 +209,71 @@ class LIBPROTOBUF_EXPORT TextFormat {
                                         const FieldDescriptor* field,
                                         Message* message);
 
+  // Interface that TextFormat::Parser can use to find extensions.
+  // This class may be extended in the future to find more information
+  // like fields, etc.
+  class LIBPROTOBUF_EXPORT Finder {
+   public:
+    virtual ~Finder();
+
+    // Try to find an extension of *message by fully-qualified field
+    // name.  Returns NULL if no extension is known for this name or number.
+    virtual const FieldDescriptor* FindExtension(
+        Message* message,
+        const string& name) const = 0;
+  };
+
+  // A location in the parsed text.
+  struct ParseLocation {
+    int line;
+    int column;
+
+    ParseLocation() : line(-1), column(-1) {}
+    ParseLocation(int line_param, int column_param)
+        : line(line_param), column(column_param) {}
+  };
+
+  // Data structure which is populated with the locations of each field
+  // value parsed from the text.
+  class LIBPROTOBUF_EXPORT ParseInfoTree {
+   public:
+    ParseInfoTree();
+    ~ParseInfoTree();
+
+    // Returns the parse location for index-th value of the field in the parsed
+    // text. If none exists, returns a location with line = -1. Index should be
+    // -1 for not-repeated fields.
+    ParseLocation GetLocation(const FieldDescriptor* field, int index) const;
+
+    // Returns the parse info tree for the given field, which must be a message
+    // type. The nested information tree is owned by the root tree and will be
+    // deleted when it is deleted.
+    ParseInfoTree* GetTreeForNested(const FieldDescriptor* field,
+                                    int index) const;
+
+   private:
+    // Allow the text format parser to record information into the tree.
+    friend class TextFormat;
+
+    // Records the starting location of a single value for a field.
+    void RecordLocation(const FieldDescriptor* field, ParseLocation location);
+
+    // Create and records a nested tree for a nested message field.
+    ParseInfoTree* CreateNested(const FieldDescriptor* field);
+
+    // Defines the map from the index-th field descriptor to its parse location.
+    typedef map<const FieldDescriptor*, vector<ParseLocation> > LocationMap;
+
+    // Defines the map from the index-th field descriptor to the nested parse
+    // info tree.
+    typedef map<const FieldDescriptor*, vector<ParseInfoTree*> > NestedMap;
+
+    LocationMap locations_;
+    NestedMap nested_;
+
+    GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ParseInfoTree);
+  };
+
   // For more control over parsing, use this class.
   class LIBPROTOBUF_EXPORT Parser {
    public:
@@ -228,6 +295,19 @@ class LIBPROTOBUF_EXPORT TextFormat {
       error_collector_ = error_collector;
     }
 
+    // Set how parser finds extensions.  If NULL (the default), the
+    // parser will use the standard Reflection object associated with
+    // the message being parsed.
+    void SetFinder(Finder* finder) {
+      finder_ = finder;
+    }
+
+    // Sets where location information about the parse will be written. If NULL
+    // (the default), then no location will be written.
+    void WriteLocationsTo(ParseInfoTree* tree) {
+      parse_info_tree_ = tree;
+    }
+
     // Normally parsing fails if, after parsing, output->IsInitialized()
     // returns false.  Call AllowPartialMessage(true) to skip this check.
     void AllowPartialMessage(bool allow) {
@@ -239,6 +319,7 @@ class LIBPROTOBUF_EXPORT TextFormat {
                                    const FieldDescriptor* field,
                                    Message* output);
 
+
    private:
     // Forward declaration of an internal class used to parse text
     // representations (see text_format.cc for implementation).
@@ -251,13 +332,37 @@ class LIBPROTOBUF_EXPORT TextFormat {
                         ParserImpl* parser_impl);
 
     io::ErrorCollector* error_collector_;
+    Finder* finder_;
+    ParseInfoTree* parse_info_tree_;
     bool allow_partial_;
+    bool allow_unknown_field_;
   };
 
  private:
+  // Hack: ParseInfoTree declares TextFormat as a friend which should extend
+  // the friendship to TextFormat::Parser::ParserImpl, but unfortunately some
+  // old compilers (e.g. GCC 3.4.6) don't implement this correctly. We provide
+  // helpers for ParserImpl to call methods of ParseInfoTree.
+  static inline void RecordLocation(ParseInfoTree* info_tree,
+                                    const FieldDescriptor* field,
+                                    ParseLocation location);
+  static inline ParseInfoTree* CreateNested(ParseInfoTree* info_tree,
+                                            const FieldDescriptor* field);
+
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(TextFormat);
 };
 
+inline void TextFormat::RecordLocation(ParseInfoTree* info_tree,
+                                       const FieldDescriptor* field,
+                                       ParseLocation location) {
+  info_tree->RecordLocation(field, location);
+}
+
+inline TextFormat::ParseInfoTree* TextFormat::CreateNested(
+    ParseInfoTree* info_tree, const FieldDescriptor* field) {
+  return info_tree->CreateNested(field);
+}
+
 }  // namespace protobuf
 
 }  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/text_format_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/text_format_unittest.cc
similarity index 84%
rename from common/protobuf-2.3.0/src/google/protobuf/text_format_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/text_format_unittest.cc
index ddf8ff7f..304fb844 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/text_format_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/text_format_unittest.cc
@@ -339,6 +339,21 @@ TEST_F(TextFormatTest, PrintMessageSingleLine) {
     text);
 }
 
+TEST_F(TextFormatTest, PrintBufferTooSmall) {
+  // Test printing a message to a buffer that is too small.
+
+  protobuf_unittest::TestAllTypes message;
+
+  message.add_repeated_string("abc");
+  message.add_repeated_string("def");
+
+  char buffer[1] = "";
+  io::ArrayOutputStream output_stream(buffer, 1);
+  EXPECT_FALSE(TextFormat::Print(message, &output_stream));
+  EXPECT_EQ(buffer[0], 'r');
+  EXPECT_EQ(output_stream.ByteCount(), 1);
+}
+
 TEST_F(TextFormatTest, ParseBasic) {
   io::ArrayInputStream input_stream(proto_debug_string_.data(),
                                     proto_debug_string_.size());
@@ -353,6 +368,25 @@ TEST_F(TextFormatExtensionsTest, ParseExtensions) {
   TestUtil::ExpectAllExtensionsSet(proto_);
 }
 
+TEST_F(TextFormatTest, ParseEnumFieldFromNumber) {
+  // Create a parse string with a numerical value for an enum field.
+  string parse_string = strings::Substitute("optional_nested_enum: $0",
+                                            unittest::TestAllTypes::BAZ);
+  EXPECT_TRUE(TextFormat::ParseFromString(parse_string, &proto_));
+  EXPECT_TRUE(proto_.has_optional_nested_enum());
+  EXPECT_EQ(unittest::TestAllTypes::BAZ, proto_.optional_nested_enum());
+}
+
+TEST_F(TextFormatTest, ParseEnumFieldFromNegativeNumber) {
+  ASSERT_LT(unittest::SPARSE_E, 0);
+  string parse_string = strings::Substitute("sparse_enum: $0",
+                                            unittest::SPARSE_E);
+  unittest::SparseEnumMessage proto;
+  EXPECT_TRUE(TextFormat::ParseFromString(parse_string, &proto));
+  EXPECT_TRUE(proto.has_sparse_enum());
+  EXPECT_EQ(unittest::SPARSE_E, proto.sparse_enum());
+}
+
 TEST_F(TextFormatTest, ParseStringEscape) {
   // Create a parse string with escpaed characters in it.
   string parse_string = "optional_string: "
@@ -406,6 +440,34 @@ TEST_F(TextFormatTest, ParseFloatWithSuffix) {
   EXPECT_EQ(1.0, proto_.optional_float());
 }
 
+TEST_F(TextFormatTest, ParseShortRepeatedForm) {
+  string parse_string =
+      // Mixed short-form and long-form are simply concatenated.
+      "repeated_int32: 1\n"
+      "repeated_int32: [456, 789]\n"
+      "repeated_nested_enum: [  FOO ,BAR, # comment\n"
+      "                         3]\n"
+      // Note that while the printer won't print repeated strings in short-form,
+      // the parser will accept them.
+      "repeated_string: [ \"foo\", 'bar' ]\n";
+
+  ASSERT_TRUE(TextFormat::ParseFromString(parse_string, &proto_));
+
+  ASSERT_EQ(3, proto_.repeated_int32_size());
+  EXPECT_EQ(1, proto_.repeated_int32(0));
+  EXPECT_EQ(456, proto_.repeated_int32(1));
+  EXPECT_EQ(789, proto_.repeated_int32(2));
+
+  ASSERT_EQ(3, proto_.repeated_nested_enum_size());
+  EXPECT_EQ(unittest::TestAllTypes::FOO, proto_.repeated_nested_enum(0));
+  EXPECT_EQ(unittest::TestAllTypes::BAR, proto_.repeated_nested_enum(1));
+  EXPECT_EQ(unittest::TestAllTypes::BAZ, proto_.repeated_nested_enum(2));
+
+  ASSERT_EQ(2, proto_.repeated_string_size());
+  EXPECT_EQ("foo", proto_.repeated_string(0));
+  EXPECT_EQ("bar", proto_.repeated_string(1));
+}
+
 TEST_F(TextFormatTest, Comments) {
   // Test that comments are ignored.
 
@@ -681,6 +743,25 @@ class TextFormatParserTest : public testing::Test {
               error_collector.text_);
   }
 
+  void ExpectSuccessAndTree(const string& input, Message* proto,
+                            TextFormat::ParseInfoTree* info_tree) {
+    TextFormat::Parser parser;
+    MockErrorCollector error_collector;
+    parser.RecordErrorsTo(&error_collector);
+    parser.WriteLocationsTo(info_tree);
+
+    EXPECT_TRUE(parser.ParseFromString(input, proto));
+  }
+
+  void ExpectLocation(TextFormat::ParseInfoTree* tree,
+                      const Descriptor* d, const string& field_name,
+                      int index, int line, int column) {
+    TextFormat::ParseLocation location = tree->GetLocation(
+        d->FindFieldByName(field_name), index);
+    EXPECT_EQ(line, location.line);
+    EXPECT_EQ(column, location.column);
+  }
+
   // An error collector which simply concatenates all its errors into a big
   // block of text which can be checked.
   class MockErrorCollector : public io::ErrorCollector {
@@ -702,6 +783,71 @@ class TextFormatParserTest : public testing::Test {
   };
 };
 
+TEST_F(TextFormatParserTest, ParseInfoTreeBuilding) {
+  scoped_ptr<unittest::TestAllTypes> message(new unittest::TestAllTypes);
+  const Descriptor* d = message->GetDescriptor();
+
+  string stringData =
+      "optional_int32: 1\n"
+      "optional_int64: 2\n"
+      "  optional_double: 2.4\n"
+      "repeated_int32: 5\n"
+      "repeated_int32: 10\n"
+      "optional_nested_message <\n"
+      "  bb: 78\n"
+      ">\n"
+      "repeated_nested_message <\n"
+      "  bb: 79\n"
+      ">\n"
+      "repeated_nested_message <\n"
+      "  bb: 80\n"
+      ">";
+
+
+  TextFormat::ParseInfoTree tree;
+  ExpectSuccessAndTree(stringData, message.get(), &tree);
+
+  // Verify that the tree has the correct positions.
+  ExpectLocation(&tree, d, "optional_int32", -1, 0, 0);
+  ExpectLocation(&tree, d, "optional_int64", -1, 1, 0);
+  ExpectLocation(&tree, d, "optional_double", -1, 2, 2);
+
+  ExpectLocation(&tree, d, "repeated_int32", 0, 3, 0);
+  ExpectLocation(&tree, d, "repeated_int32", 1, 4, 0);
+
+  ExpectLocation(&tree, d, "optional_nested_message", -1, 5, 0);
+  ExpectLocation(&tree, d, "repeated_nested_message", 0, 8, 0);
+  ExpectLocation(&tree, d, "repeated_nested_message", 1, 11, 0);
+
+  // Check for fields not set. For an invalid field, the location returned
+  // should be -1, -1.
+  ExpectLocation(&tree, d, "repeated_int64", 0, -1, -1);
+  ExpectLocation(&tree, d, "repeated_int32", 6, -1, -1);
+  ExpectLocation(&tree, d, "some_unknown_field", -1, -1, -1);
+
+  // Verify inside the nested message.
+  const FieldDescriptor* nested_field =
+      d->FindFieldByName("optional_nested_message");
+
+  TextFormat::ParseInfoTree* nested_tree =
+      tree.GetTreeForNested(nested_field, -1);
+  ExpectLocation(nested_tree, nested_field->message_type(), "bb", -1, 6, 2);
+
+  // Verify inside another nested message.
+  nested_field = d->FindFieldByName("repeated_nested_message");
+  nested_tree = tree.GetTreeForNested(nested_field, 0);
+  ExpectLocation(nested_tree, nested_field->message_type(), "bb", -1, 9, 2);
+
+  nested_tree = tree.GetTreeForNested(nested_field, 1);
+  ExpectLocation(nested_tree, nested_field->message_type(), "bb", -1, 12, 2);
+
+  // Verify a NULL tree for an unknown nested field.
+  TextFormat::ParseInfoTree* unknown_nested_tree =
+      tree.GetTreeForNested(nested_field, 2);
+
+  EXPECT_EQ(NULL, unknown_nested_tree);
+}
+
 TEST_F(TextFormatParserTest, ParseFieldValueFromString) {
   scoped_ptr<unittest::TestAllTypes> message(new unittest::TestAllTypes);
   const Descriptor* d = message->GetDescriptor();
@@ -712,6 +858,12 @@ TEST_F(TextFormatParserTest, ParseFieldValueFromString) {
   EXPECT_EQ(value, message->optional_##name()); \
   EXPECT_TRUE(message->has_optional_##name());
 
+#define EXPECT_BOOL_FIELD(name, value, valuestring) \
+  EXPECT_TRUE(TextFormat::ParseFieldValueFromString( \
+    valuestring, d->FindFieldByName("optional_" #name), message.get())); \
+  EXPECT_TRUE(message->optional_##name() == value); \
+  EXPECT_TRUE(message->has_optional_##name());
+
 #define EXPECT_FLOAT_FIELD(name, value, valuestring) \
   EXPECT_TRUE(TextFormat::ParseFieldValueFromString( \
     valuestring, d->FindFieldByName("optional_" #name), message.get())); \
@@ -769,9 +921,14 @@ TEST_F(TextFormatParserTest, ParseFieldValueFromString) {
   EXPECT_INVALID(fixed64, "1,2");
 
   // bool
-  EXPECT_FIELD(bool, true, "true");
-  EXPECT_FIELD(bool, false, "false");
-  EXPECT_INVALID(bool, "1");
+  EXPECT_BOOL_FIELD(bool, true, "true");
+  EXPECT_BOOL_FIELD(bool, false, "false");
+  EXPECT_BOOL_FIELD(bool, true, "1");
+  EXPECT_BOOL_FIELD(bool, true, "t");
+  EXPECT_BOOL_FIELD(bool, false, "0");
+  EXPECT_BOOL_FIELD(bool, false, "f");
+  EXPECT_INVALID(bool, "2");
+  EXPECT_INVALID(bool, "-0");
   EXPECT_INVALID(bool, "on");
   EXPECT_INVALID(bool, "a");
   EXPECT_INVALID(bool, "True");
@@ -799,7 +956,8 @@ TEST_F(TextFormatParserTest, ParseFieldValueFromString) {
 
   // enum
   EXPECT_FIELD(nested_enum, unittest::TestAllTypes::BAR, "BAR");
-  EXPECT_INVALID(nested_enum, "1");  // number not supported
+  EXPECT_FIELD(nested_enum, unittest::TestAllTypes::BAZ,
+               SimpleItoa(unittest::TestAllTypes::BAZ));
   EXPECT_INVALID(nested_enum, "FOOBAR");
 
   // message
@@ -810,6 +968,7 @@ TEST_F(TextFormatParserTest, ParseFieldValueFromString) {
   EXPECT_INVALID(nested_message, "any");
 
 #undef EXPECT_FIELD
+#undef EXPECT_BOOL_FIELD
 #undef EXPECT_FLOAT_FIELD
 #undef EXPECT_DOUBLE_FIELD
 #undef EXPECT_INVALID
@@ -820,7 +979,7 @@ TEST_F(TextFormatParserTest, InvalidToken) {
   ExpectFailure("optional_bool: true\n-5\n", "Expected identifier.",
                 2, 1);
 
-  ExpectFailure("optional_bool: true;\n", "Expected identifier.", 1, 20);
+  ExpectFailure("optional_bool: true!\n", "Expected identifier.", 1, 20);
   ExpectFailure("\"some string\"", "Expected identifier.", 1, 1);
 }
 
@@ -868,10 +1027,10 @@ TEST_F(TextFormatParserTest, InvalidFieldValues) {
                 1, 16);
   ExpectFailure("optional_int32: 0x80000000\n",
                 "Integer out of range.", 1, 17);
-  ExpectFailure("optional_int32: -0x80000001\n",
-                "Integer out of range.", 1, 18);
   ExpectFailure("optional_int64: 0x8000000000000000\n",
                 "Integer out of range.", 1, 17);
+  ExpectFailure("optional_int32: -0x80000001\n",
+                "Integer out of range.", 1, 18);
   ExpectFailure("optional_int64: -0x8000000000000001\n",
                 "Integer out of range.", 1, 18);
 
@@ -890,7 +1049,7 @@ TEST_F(TextFormatParserTest, InvalidFieldValues) {
 
   // Invalid values for a boolean field.
   ExpectFailure("optional_bool: \"hello\"\n", "Expected identifier.", 1, 16);
-  ExpectFailure("optional_bool: 5\n", "Expected identifier.", 1, 16);
+  ExpectFailure("optional_bool: 5\n", "Integer out of range.", 1, 16);
   ExpectFailure("optional_bool: -7.5\n", "Expected identifier.", 1, 16);
   ExpectFailure("optional_bool: !\n", "Expected identifier.", 1, 16);
 
@@ -911,12 +1070,18 @@ TEST_F(TextFormatParserTest, InvalidFieldValues) {
                 1, 17);
 
   // Invalid values for an enumeration field.
-  ExpectFailure("optional_nested_enum: \"hello\"\n", "Expected identifier.",
-                1, 23);
+  ExpectFailure("optional_nested_enum: \"hello\"\n",
+                "Expected integer or identifier.", 1, 23);
 
-  ExpectFailure("optional_nested_enum: 5\n", "Expected identifier.", 1, 23);
-  ExpectFailure("optional_nested_enum: -7.5\n", "Expected identifier.", 1, 23);
-  ExpectFailure("optional_nested_enum: !\n", "Expected identifier.", 1, 23);
+  // Valid token, but enum value is not defined.
+  ExpectFailure("optional_nested_enum: 5\n",
+                "Unknown enumeration value of \"5\" for field "
+                "\"optional_nested_enum\".", 2, 1);
+  // We consume the negative sign, so the error position starts one character
+  // later.
+  ExpectFailure("optional_nested_enum: -7.5\n", "Expected integer.", 1, 24);
+  ExpectFailure("optional_nested_enum: !\n",
+                "Expected integer or identifier.", 1, 23);
 
   ExpectFailure(
       "optional_nested_enum: grah\n",
@@ -986,6 +1151,14 @@ TEST_F(TextFormatParserTest, MergeDuplicateOptional) {
   EXPECT_EQ(2, message.c());
 }
 
+TEST_F(TextFormatParserTest, ExplicitDelimiters) {
+  unittest::TestRequired message;
+  EXPECT_TRUE(TextFormat::ParseFromString("a:1,b:2;c:3", &message));
+  EXPECT_EQ(1, message.a());
+  EXPECT_EQ(2, message.b());
+  EXPECT_EQ(3, message.c());
+}
+
 TEST_F(TextFormatParserTest, PrintErrorsToStderr) {
   vector<string> errors;
 
@@ -1069,6 +1242,7 @@ TEST_F(TextFormatMessageSetTest, Deserialize) {
   EXPECT_EQ(2, descriptors.size());
 }
 
+
 }  // namespace text_format_unittest
 }  // namespace protobuf
 }  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/unittest.proto b/common/protobuf-2.5.0/src/google/protobuf/unittest.proto
similarity index 86%
rename from common/protobuf-2.3.0/src/google/protobuf/unittest.proto
rename to common/protobuf-2.5.0/src/google/protobuf/unittest.proto
index d51fa1e7..6eb2d86f 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/unittest.proto
+++ b/common/protobuf-2.5.0/src/google/protobuf/unittest.proto
@@ -35,6 +35,12 @@
 // A proto file we will use for unit testing.
 
 
+// Some generic_services option(s) added automatically.
+// See:  http://go/proto2-generic-services-default
+option cc_generic_services = true;     // auto-added
+option java_generic_services = true;   // auto-added
+option py_generic_services = true;     // auto-added
+
 import "google/protobuf/unittest_import.proto";
 
 // We don't put this in a package within proto2 because we need to make sure
@@ -97,6 +103,12 @@ message TestAllTypes {
   optional string optional_string_piece = 24 [ctype=STRING_PIECE];
   optional string optional_cord = 25 [ctype=CORD];
 
+  // Defined in unittest_import_public.proto
+  optional protobuf_unittest_import.PublicImportMessage
+      optional_public_import_message = 26;
+
+  optional NestedMessage optional_lazy_message = 27 [lazy=true];
+
   // Repeated
   repeated    int32 repeated_int32    = 31;
   repeated    int64 repeated_int64    = 32;
@@ -129,6 +141,8 @@ message TestAllTypes {
   repeated string repeated_string_piece = 54 [ctype=STRING_PIECE];
   repeated string repeated_cord = 55 [ctype=CORD];
 
+  repeated NestedMessage repeated_lazy_message = 57 [lazy=true];
+
   // Singular with defaults
   optional    int32 default_int32    = 61 [default =  41    ];
   optional    int64 default_int64    = 62 [default =  42    ];
@@ -210,6 +224,12 @@ extend TestAllExtensions {
   optional string optional_string_piece_extension = 24 [ctype=STRING_PIECE];
   optional string optional_cord_extension = 25 [ctype=CORD];
 
+  optional protobuf_unittest_import.PublicImportMessage
+    optional_public_import_message_extension = 26;
+
+  optional TestAllTypes.NestedMessage
+    optional_lazy_message_extension = 27 [lazy=true];
+
   // Repeated
   repeated    int32 repeated_int32_extension    = 31;
   repeated    int64 repeated_int64_extension    = 32;
@@ -244,6 +264,9 @@ extend TestAllExtensions {
   repeated string repeated_string_piece_extension = 54 [ctype=STRING_PIECE];
   repeated string repeated_cord_extension = 55 [ctype=CORD];
 
+  repeated TestAllTypes.NestedMessage
+    repeated_lazy_message_extension = 57 [lazy=true];
+
   // Singular with defaults
   optional    int32 default_int32_extension    = 61 [default =  41    ];
   optional    int64 default_int64_extension    = 62 [default =  42    ];
@@ -391,6 +414,13 @@ message TestDupFieldNumber {                        // NO_PROTO1
   optional group Bar = 3 { optional int32 a = 1; }  // NO_PROTO1
 }                                                   // NO_PROTO1
 
+// Additional messages for testing lazy fields.
+message TestEagerMessage {
+  optional TestAllTypes sub_message = 1 [lazy=false];
+}
+message TestLazyMessage {
+  optional TestAllTypes sub_message = 1 [lazy=true];
+}
 
 // Needed for a Python test.
 message TestNestedMessageHasBits {
@@ -404,6 +434,7 @@ message TestNestedMessageHasBits {
 
 // Test an enum that has multiple values with the same number.
 enum TestEnumWithDupValue {
+  option allow_alias = true;
   FOO1 = 1;
   BAR1 = 2;
   BAZ = 3;
@@ -464,6 +495,8 @@ message TestExtremeDefaultValues {
   optional uint64 large_uint64 = 3 [default = 0xFFFFFFFFFFFFFFFF];
   optional  int32 small_int32  = 4 [default = -0x7FFFFFFF];
   optional  int64 small_int64  = 5 [default = -0x7FFFFFFFFFFFFFFF];
+  optional  int32 really_small_int32 = 21 [default = -0x80000000];
+  optional  int64 really_small_int64 = 22 [default = -0x8000000000000000];
 
   // The default value here is UTF-8 for "\u1234".  (We could also just type
   // the UTF-8 text directly into this text file rather than escape it, but
@@ -487,6 +520,25 @@ message TestExtremeDefaultValues {
   optional float inf_float = 17 [default = inf];
   optional float neg_inf_float = 18 [default = -inf];
   optional float nan_float = 19 [default = nan];
+
+  // Tests for C++ trigraphs.
+  // Trigraphs should be escaped in C++ generated files, but they should not be
+  // escaped for other languages.
+  // Note that in .proto file, "\?" is a valid way to escape ? in string
+  // literals.
+  optional string cpp_trigraph = 20 [default = "? \? ?? \?? \??? ??/ ?\?-"];
+
+  // String defaults containing the character '\000'
+  optional string string_with_zero       = 23 [default = "hel\000lo"];
+  optional  bytes bytes_with_zero        = 24 [default = "wor\000ld"];
+  optional string string_piece_with_zero = 25 [ctype=STRING_PIECE,
+                                               default="ab\000c"];
+  optional string cord_with_zero         = 26 [ctype=CORD,
+                                               default="12\0003"];
+}
+
+message SparseEnumMessage {
+  optional TestSparseEnum sparse_enum = 1;
 }
 
 // Test String and Bytes: string is for valid UTF-8 strings
@@ -494,10 +546,19 @@ message OneString {
   optional string data = 1;
 }
 
+message MoreString {
+  repeated string data = 1;
+}
+
 message OneBytes {
   optional bytes data = 1;
 }
 
+message MoreBytes {
+  repeated bytes data = 1;
+}
+
+
 // Test messages for packed fields
 
 message TestPackedTypes {
@@ -598,10 +659,56 @@ message TestRepeatedScalarDifferentTagSizes {
   repeated uint64  repeated_uint64  = 262143;
 }
 
+// Test that if an optional or required message/group field appears multiple
+// times in the input, they need to be merged.
+message TestParsingMerge {
+  // RepeatedFieldsGenerator defines matching field types as TestParsingMerge,
+  // except that all fields are repeated. In the tests, we will serialize the
+  // RepeatedFieldsGenerator to bytes, and parse the bytes to TestParsingMerge.
+  // Repeated fields in RepeatedFieldsGenerator are expected to be merged into
+  // the corresponding required/optional fields in TestParsingMerge.
+  message RepeatedFieldsGenerator {
+    repeated TestAllTypes field1 = 1;
+    repeated TestAllTypes field2 = 2;
+    repeated TestAllTypes field3 = 3;
+    repeated group Group1 = 10 {
+      optional TestAllTypes field1 = 11;
+    }
+    repeated group Group2 = 20 {
+      optional TestAllTypes field1 = 21;
+    }
+    repeated TestAllTypes ext1 = 1000;
+    repeated TestAllTypes ext2 = 1001;
+  }
+  required TestAllTypes required_all_types = 1;
+  optional TestAllTypes optional_all_types = 2;
+  repeated TestAllTypes repeated_all_types = 3;
+  optional group OptionalGroup = 10 {
+    optional TestAllTypes optional_group_all_types = 11;
+  }
+  repeated group RepeatedGroup = 20 {
+    optional TestAllTypes repeated_group_all_types = 21;
+  }
+  extensions 1000 to max;
+  extend TestParsingMerge {
+    optional TestAllTypes optional_ext = 1000;
+    repeated TestAllTypes repeated_ext = 1001;
+  }
+}
+
+message TestCommentInjectionMessage {
+  // */ <- This should not close the generated doc comment
+  optional string a = 1 [default="*/ <- Neither should this."];
+}
+
+
 // Test that RPC services work.
 message FooRequest  {}
 message FooResponse {}
 
+message FooClientMessage {}
+message FooServerMessage{}
+
 service TestService {
   rpc Foo(FooRequest) returns (FooResponse);
   rpc Bar(BarRequest) returns (BarResponse);
diff --git a/common/protobuf-2.3.0/src/google/protobuf/unittest_custom_options.proto b/common/protobuf-2.5.0/src/google/protobuf/unittest_custom_options.proto
similarity index 72%
rename from common/protobuf-2.3.0/src/google/protobuf/unittest_custom_options.proto
rename to common/protobuf-2.5.0/src/google/protobuf/unittest_custom_options.proto
index b6ee03da..e591d294 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/unittest_custom_options.proto
+++ b/common/protobuf-2.5.0/src/google/protobuf/unittest_custom_options.proto
@@ -35,6 +35,12 @@
 // A proto file used to test the "custom options" feature of proto2.
 
 
+// Some generic_services option(s) added automatically.
+// See:  http://go/proto2-generic-services-default
+option cc_generic_services = true;     // auto-added
+option java_generic_services = true;   // auto-added
+option py_generic_services = true;
+
 // A custom file option (defined below).
 option (file_opt1) = 9876543210;
 
@@ -110,6 +116,12 @@ message CustomOptionFooRequest {
 message CustomOptionFooResponse {
 }
 
+message CustomOptionFooClientMessage {
+}
+
+message CustomOptionFooServerMessage {
+}
+
 service TestServiceWithCustomOptions {
   option (service_opt1) = -9876543210;
 
@@ -273,3 +285,103 @@ message VariousComplexOptions {
   option (complex_opt3).complexoptiontype5.plugh = 22;
   option (complexopt6).xyzzy = 24;
 }
+
+// ------------------------------------------------------
+// Definitions for testing aggregate option parsing.
+// See descriptor_unittest.cc.
+
+message AggregateMessageSet {
+  option message_set_wire_format = true;
+  extensions 4 to max;
+}
+
+message AggregateMessageSetElement {
+  extend AggregateMessageSet {
+    optional AggregateMessageSetElement message_set_extension = 15447542;
+  }
+  optional string s = 1;
+}
+
+// A helper type used to test aggregate option parsing
+message Aggregate {
+  optional int32 i = 1;
+  optional string s = 2;
+
+  // A nested object
+  optional Aggregate sub = 3;
+
+  // To test the parsing of extensions inside aggregate values
+  optional google.protobuf.FileOptions file = 4;
+  extend google.protobuf.FileOptions {
+    optional Aggregate nested = 15476903;
+  }
+
+  // An embedded message set
+  optional AggregateMessageSet mset = 5;
+}
+
+// Allow Aggregate to be used as an option at all possible locations
+// in the .proto grammer.
+extend google.protobuf.FileOptions      { optional Aggregate fileopt    = 15478479; }
+extend google.protobuf.MessageOptions   { optional Aggregate msgopt     = 15480088; }
+extend google.protobuf.FieldOptions     { optional Aggregate fieldopt   = 15481374; }
+extend google.protobuf.EnumOptions      { optional Aggregate enumopt    = 15483218; }
+extend google.protobuf.EnumValueOptions { optional Aggregate enumvalopt = 15486921; }
+extend google.protobuf.ServiceOptions   { optional Aggregate serviceopt = 15497145; }
+extend google.protobuf.MethodOptions    { optional Aggregate methodopt  = 15512713; }
+
+// Try using AggregateOption at different points in the proto grammar
+option (fileopt) = {
+  s: 'FileAnnotation'
+  // Also test the handling of comments
+  /* of both types */ i: 100
+
+  sub { s: 'NestedFileAnnotation' }
+
+  // Include a google.protobuf.FileOptions and recursively extend it with
+  // another fileopt.
+  file {
+    [protobuf_unittest.fileopt] {
+      s:'FileExtensionAnnotation'
+    }
+  }
+
+  // A message set inside an option value
+  mset {
+    [protobuf_unittest.AggregateMessageSetElement.message_set_extension] {
+      s: 'EmbeddedMessageSetElement'
+    }
+  }
+};
+
+message AggregateMessage {
+  option (msgopt) = { i:101 s:'MessageAnnotation' };
+  optional int32 fieldname = 1 [(fieldopt) = { s:'FieldAnnotation' }];
+}
+
+service AggregateService {
+  option (serviceopt) = { s:'ServiceAnnotation' };
+  rpc Method (AggregateMessage) returns (AggregateMessage) {
+    option (methodopt) = { s:'MethodAnnotation' };
+  }
+}
+
+enum AggregateEnum {
+  option (enumopt) = { s:'EnumAnnotation' };
+  VALUE = 1 [(enumvalopt) = { s:'EnumValueAnnotation' }];
+}
+
+// Test custom options for nested type.
+message NestedOptionType {
+  message NestedMessage {
+    option (message_opt1) = 1001;
+    optional int32 nested_field = 1 [(field_opt1) = 1002];
+  }
+  enum NestedEnum {
+    option (enum_opt1) = 1003;
+    NESTED_ENUM_VALUE = 1 [(enum_value_opt1) = 1004];
+  }
+  extend google.protobuf.FileOptions {
+    optional int32 nested_extension = 7912573 [(field_opt2) = 1005];
+  }
+}
diff --git a/common/protobuf-2.3.0/src/google/protobuf/unittest_embed_optimize_for.proto b/common/protobuf-2.5.0/src/google/protobuf/unittest_embed_optimize_for.proto
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/unittest_embed_optimize_for.proto
rename to common/protobuf-2.5.0/src/google/protobuf/unittest_embed_optimize_for.proto
diff --git a/common/protobuf-2.3.0/src/google/protobuf/unittest_empty.proto b/common/protobuf-2.5.0/src/google/protobuf/unittest_empty.proto
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/unittest_empty.proto
rename to common/protobuf-2.5.0/src/google/protobuf/unittest_empty.proto
diff --git a/common/protobuf-2.3.0/src/google/protobuf/unittest_enormous_descriptor.proto b/common/protobuf-2.5.0/src/google/protobuf/unittest_enormous_descriptor.proto
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/unittest_enormous_descriptor.proto
rename to common/protobuf-2.5.0/src/google/protobuf/unittest_enormous_descriptor.proto
diff --git a/common/protobuf-2.3.0/src/google/protobuf/unittest_import.proto b/common/protobuf-2.5.0/src/google/protobuf/unittest_import.proto
similarity index 96%
rename from common/protobuf-2.3.0/src/google/protobuf/unittest_import.proto
rename to common/protobuf-2.5.0/src/google/protobuf/unittest_import.proto
index cd533ecd..c115b111 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/unittest_import.proto
+++ b/common/protobuf-2.5.0/src/google/protobuf/unittest_import.proto
@@ -49,6 +49,9 @@ option java_package = "com.google.protobuf.test";
 // Do not set a java_outer_classname here to verify that Proto2 works without
 // one.
 
+// Test public import
+import public "google/protobuf/unittest_import_public.proto";
+
 message ImportMessage {
   optional int32 d = 1;
 }
diff --git a/common/protobuf-2.3.0/src/google/protobuf/unittest_import_lite.proto b/common/protobuf-2.5.0/src/google/protobuf/unittest_import_lite.proto
similarity index 96%
rename from common/protobuf-2.3.0/src/google/protobuf/unittest_import_lite.proto
rename to common/protobuf-2.5.0/src/google/protobuf/unittest_import_lite.proto
index ebaab5c0..81b117fe 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/unittest_import_lite.proto
+++ b/common/protobuf-2.5.0/src/google/protobuf/unittest_import_lite.proto
@@ -38,6 +38,8 @@ option optimize_for = LITE_RUNTIME;
 
 option java_package = "com.google.protobuf";
 
+import public "google/protobuf/unittest_import_public_lite.proto";
+
 message ImportMessageLite {
   optional int32 d = 1;
 }
diff --git a/common/protobuf-2.3.0/src/google/protobuf/stubs/hash.cc b/common/protobuf-2.5.0/src/google/protobuf/unittest_import_public.proto
similarity index 88%
rename from common/protobuf-2.3.0/src/google/protobuf/stubs/hash.cc
rename to common/protobuf-2.5.0/src/google/protobuf/unittest_import_public.proto
index 9eaf4a1e..ea5d1b13 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/stubs/hash.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/unittest_import_public.proto
@@ -28,14 +28,13 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Author: kenton@google.com (Kenton Varda)
+// Author: liujisi@google.com (Pherl Liu)
 
-#include <google/protobuf/stubs/hash.h>
 
-namespace google {
-namespace protobuf {
+package protobuf_unittest_import;
 
-// Nothing needed here right now.
+option java_package = "com.google.protobuf.test";
 
-}  // namespace protobuf
-}  // namespace google
+message PublicImportMessage {
+  optional int32 e = 1;
+}
diff --git a/common/protobuf-2.5.0/src/google/protobuf/unittest_import_public_lite.proto b/common/protobuf-2.5.0/src/google/protobuf/unittest_import_public_lite.proto
new file mode 100644
index 00000000..d077563c
--- /dev/null
+++ b/common/protobuf-2.5.0/src/google/protobuf/unittest_import_public_lite.proto
@@ -0,0 +1,42 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Author: liujisi@google.com (Pherl Liu)
+
+
+package protobuf_unittest_import;
+
+option optimize_for = LITE_RUNTIME;
+
+option java_package = "com.google.protobuf";
+
+message PublicImportMessageLite {
+  optional int32 e = 1;
+}
diff --git a/common/protobuf-2.3.0/src/google/protobuf/unittest_lite.proto b/common/protobuf-2.5.0/src/google/protobuf/unittest_lite.proto
similarity index 89%
rename from common/protobuf-2.3.0/src/google/protobuf/unittest_lite.proto
rename to common/protobuf-2.5.0/src/google/protobuf/unittest_lite.proto
index cca6b497..a1764aac 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/unittest_lite.proto
+++ b/common/protobuf-2.5.0/src/google/protobuf/unittest_lite.proto
@@ -85,6 +85,12 @@ message TestAllTypesLite {
   optional string optional_string_piece = 24 [ctype=STRING_PIECE];
   optional string optional_cord = 25 [ctype=CORD];
 
+  // Defined in unittest_import_public.proto
+  optional protobuf_unittest_import.PublicImportMessageLite
+      optional_public_import_message = 26;
+
+  optional NestedMessage optional_lazy_message = 27 [lazy=true];
+
   // Repeated
   repeated    int32 repeated_int32    = 31;
   repeated    int64 repeated_int64    = 32;
@@ -118,6 +124,8 @@ message TestAllTypesLite {
   repeated string repeated_string_piece = 54 [ctype=STRING_PIECE];
   repeated string repeated_cord = 55 [ctype=CORD];
 
+  repeated NestedMessage repeated_lazy_message = 57 [lazy=true];
+
   // Singular with defaults
   optional    int32 default_int32    = 61 [default =  41    ];
   optional    int64 default_int64    = 62 [default =  42    ];
@@ -213,6 +221,12 @@ extend TestAllExtensionsLite {
       [ctype=STRING_PIECE];
   optional string optional_cord_extension_lite = 25 [ctype=CORD];
 
+  optional protobuf_unittest_import.PublicImportMessageLite
+    optional_public_import_message_extension_lite = 26;
+
+  optional TestAllTypesLite.NestedMessage
+    optional_lazy_message_extension_lite = 27 [lazy=true];
+
   // Repeated
   repeated    int32 repeated_int32_extension_lite    = 31;
   repeated    int64 repeated_int64_extension_lite    = 32;
@@ -249,6 +263,9 @@ extend TestAllExtensionsLite {
       [ctype=STRING_PIECE];
   repeated string repeated_cord_extension_lite = 55 [ctype=CORD];
 
+  repeated TestAllTypesLite.NestedMessage
+    repeated_lazy_message_extension_lite = 57 [lazy=true];
+
   // Singular with defaults
   optional    int32 default_int32_extension_lite    = 61 [default =  41    ];
   optional    int64 default_int64_extension_lite    = 62 [default =  42    ];
@@ -310,3 +327,34 @@ message TestNestedExtensionLite {
 message TestDeprecatedLite {
   optional int32 deprecated_field = 1 [deprecated = true];
 }
+
+// See the comments of the same type in unittest.proto.
+message TestParsingMergeLite {
+  message RepeatedFieldsGenerator {
+    repeated TestAllTypesLite field1 = 1;
+    repeated TestAllTypesLite field2 = 2;
+    repeated TestAllTypesLite field3 = 3;
+    repeated group Group1 = 10 {
+      optional TestAllTypesLite field1 = 11;
+    }
+    repeated group Group2 = 20 {
+      optional TestAllTypesLite field1 = 21;
+    }
+    repeated TestAllTypesLite ext1 = 1000;
+    repeated TestAllTypesLite ext2 = 1001;
+  }
+  required TestAllTypesLite required_all_types = 1;
+  optional TestAllTypesLite optional_all_types = 2;
+  repeated TestAllTypesLite repeated_all_types = 3;
+  optional group OptionalGroup = 10 {
+    optional TestAllTypesLite optional_group_all_types = 11;
+  }
+  repeated group RepeatedGroup = 20 {
+    optional TestAllTypesLite repeated_group_all_types = 21;
+  }
+  extensions 1000 to max;
+  extend TestParsingMergeLite {
+    optional TestAllTypesLite optional_ext = 1000;
+    repeated TestAllTypesLite repeated_ext = 1001;
+  }
+}
diff --git a/common/protobuf-2.3.0/src/google/protobuf/unittest_lite_imports_nonlite.proto b/common/protobuf-2.5.0/src/google/protobuf/unittest_lite_imports_nonlite.proto
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/unittest_lite_imports_nonlite.proto
rename to common/protobuf-2.5.0/src/google/protobuf/unittest_lite_imports_nonlite.proto
diff --git a/common/protobuf-2.3.0/src/google/protobuf/unittest_mset.proto b/common/protobuf-2.5.0/src/google/protobuf/unittest_mset.proto
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/unittest_mset.proto
rename to common/protobuf-2.5.0/src/google/protobuf/unittest_mset.proto
diff --git a/common/protobuf-2.3.0/src/google/protobuf/unittest_no_generic_services.proto b/common/protobuf-2.5.0/src/google/protobuf/unittest_no_generic_services.proto
similarity index 94%
rename from common/protobuf-2.3.0/src/google/protobuf/unittest_no_generic_services.proto
rename to common/protobuf-2.5.0/src/google/protobuf/unittest_no_generic_services.proto
index fcae4214..cffb4122 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/unittest_no_generic_services.proto
+++ b/common/protobuf-2.5.0/src/google/protobuf/unittest_no_generic_services.proto
@@ -32,9 +32,7 @@
 
 package google.protobuf.no_generic_services_test;
 
-option cc_generic_services = false;
-option java_generic_services = false;
-option py_generic_services = false;
+// *_generic_services are false by default.
 
 message TestMessage {
   optional int32 a = 1;
diff --git a/common/protobuf-2.3.0/src/google/protobuf/unittest_optimize_for.proto b/common/protobuf-2.5.0/src/google/protobuf/unittest_optimize_for.proto
similarity index 100%
rename from common/protobuf-2.3.0/src/google/protobuf/unittest_optimize_for.proto
rename to common/protobuf-2.5.0/src/google/protobuf/unittest_optimize_for.proto
diff --git a/common/protobuf-2.3.0/src/google/protobuf/unknown_field_set.cc b/common/protobuf-2.5.0/src/google/protobuf/unknown_field_set.cc
similarity index 74%
rename from common/protobuf-2.3.0/src/google/protobuf/unknown_field_set.cc
rename to common/protobuf-2.5.0/src/google/protobuf/unknown_field_set.cc
index e1f8b838..841433d5 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/unknown_field_set.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/unknown_field_set.cc
@@ -32,13 +32,14 @@
 //  Based on original Protocol Buffers design by
 //  Sanjay Ghemawat, Jeff Dean, and others.
 
-#include <google/protobuf/stubs/common.h>
 #include <google/protobuf/unknown_field_set.h>
-#include <google/protobuf/stubs/stl_util-inl.h>
+
+#include <google/protobuf/stubs/common.h>
 #include <google/protobuf/io/coded_stream.h>
 #include <google/protobuf/io/zero_copy_stream.h>
 #include <google/protobuf/io/zero_copy_stream_impl.h>
 #include <google/protobuf/wire_format.h>
+#include <google/protobuf/stubs/stl_util.h>
 
 namespace google {
 namespace protobuf {
@@ -59,6 +60,14 @@ void UnknownFieldSet::ClearFallback() {
   fields_->clear();
 }
 
+void UnknownFieldSet::ClearAndFreeMemory() {
+  if (fields_ != NULL) {
+    Clear();
+    delete fields_;
+    fields_ = NULL;
+  }
+}
+
 void UnknownFieldSet::MergeFrom(const UnknownFieldSet& other) {
   for (int i = 0; i < other.field_count(); i++) {
     AddField(other.field(i));
@@ -73,8 +82,9 @@ int UnknownFieldSet::SpaceUsedExcludingSelf() const {
     const UnknownField& field = (*fields_)[i];
     switch (field.type()) {
       case UnknownField::TYPE_LENGTH_DELIMITED:
-        total_size += sizeof(*field.length_delimited_) +
-          internal::StringSpaceUsedExcludingSelf(*field.length_delimited_);
+        total_size += sizeof(*field.length_delimited_.string_value_) +
+                      internal::StringSpaceUsedExcludingSelf(
+                          *field.length_delimited_.string_value_);
         break;
       case UnknownField::TYPE_GROUP:
         total_size += field.group_->SpaceUsed();
@@ -122,11 +132,12 @@ string* UnknownFieldSet::AddLengthDelimited(int number) {
   UnknownField field;
   field.number_ = number;
   field.type_ = UnknownField::TYPE_LENGTH_DELIMITED;
-  field.length_delimited_ = new string;
+  field.length_delimited_.string_value_ = new string;
   fields_->push_back(field);
-  return field.length_delimited_;
+  return field.length_delimited_.string_value_;
 }
 
+
 UnknownFieldSet* UnknownFieldSet::AddGroup(int number) {
   if (fields_ == NULL) fields_ = new vector<UnknownField>;
   UnknownField field;
@@ -143,6 +154,39 @@ void UnknownFieldSet::AddField(const UnknownField& field) {
   fields_->back().DeepCopy();
 }
 
+void UnknownFieldSet::DeleteSubrange(int start, int num) {
+  GOOGLE_DCHECK(fields_ != NULL);
+  // Delete the specified fields.
+  for (int i = 0; i < num; ++i) {
+    (*fields_)[i + start].Delete();
+  }
+  // Slide down the remaining fields.
+  for (int i = start + num; i < fields_->size(); ++i) {
+    (*fields_)[i - num] = (*fields_)[i];
+  }
+  // Pop off the # of deleted fields.
+  for (int i = 0; i < num; ++i) {
+    fields_->pop_back();
+  }
+}
+
+void UnknownFieldSet::DeleteByNumber(int number) {
+  if (fields_ == NULL) return;
+  int left = 0;  // The number of fields left after deletion.
+  for (int i = 0; i < fields_->size(); ++i) {
+    UnknownField* field = &(*fields_)[i];
+    if (field->number() == number) {
+      field->Delete();
+    } else {
+      if (i != left) {
+        (*fields_)[left] = (*fields_)[i];
+      }
+      ++left;
+    }
+  }
+  fields_->resize(left);
+}
+
 bool UnknownFieldSet::MergeFromCodedStream(io::CodedInputStream* input) {
 
   UnknownFieldSet other;
@@ -174,7 +218,7 @@ bool UnknownFieldSet::ParseFromArray(const void* data, int size) {
 void UnknownField::Delete() {
   switch (type()) {
     case UnknownField::TYPE_LENGTH_DELIMITED:
-      delete length_delimited_;
+      delete length_delimited_.string_value_;
       break;
     case UnknownField::TYPE_GROUP:
       delete group_;
@@ -187,7 +231,8 @@ void UnknownField::Delete() {
 void UnknownField::DeepCopy() {
   switch (type()) {
     case UnknownField::TYPE_LENGTH_DELIMITED:
-      length_delimited_ = new string(*length_delimited_);
+      length_delimited_.string_value_ = new string(
+          *length_delimited_.string_value_);
       break;
     case UnknownField::TYPE_GROUP: {
       UnknownFieldSet* group = new UnknownFieldSet;
@@ -200,5 +245,22 @@ void UnknownField::DeepCopy() {
   }
 }
 
+
+void UnknownField::SerializeLengthDelimitedNoTag(
+    io::CodedOutputStream* output) const {
+  GOOGLE_DCHECK_EQ(TYPE_LENGTH_DELIMITED, type_);
+  const string& data = *length_delimited_.string_value_;
+  output->WriteVarint32(data.size());
+  output->WriteString(data);
+}
+
+uint8* UnknownField::SerializeLengthDelimitedNoTagToArray(uint8* target) const {
+  GOOGLE_DCHECK_EQ(TYPE_LENGTH_DELIMITED, type_);
+  const string& data = *length_delimited_.string_value_;
+  target = io::CodedOutputStream::WriteVarint32ToArray(data.size(), target);
+  target = io::CodedOutputStream::WriteStringToArray(data, target);
+  return target;
+}
+
 }  // namespace protobuf
 }  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/unknown_field_set.h b/common/protobuf-2.5.0/src/google/protobuf/unknown_field_set.h
similarity index 79%
rename from common/protobuf-2.3.0/src/google/protobuf/unknown_field_set.h
rename to common/protobuf-2.5.0/src/google/protobuf/unknown_field_set.h
index 84c2e2b6..825bba83 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/unknown_field_set.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/unknown_field_set.h
@@ -38,12 +38,24 @@
 #ifndef GOOGLE_PROTOBUF_UNKNOWN_FIELD_SET_H__
 #define GOOGLE_PROTOBUF_UNKNOWN_FIELD_SET_H__
 
+#include <assert.h>
 #include <string>
 #include <vector>
-#include <google/protobuf/repeated_field.h>
+#include <google/protobuf/stubs/common.h>
+// TODO(jasonh): some people seem to rely on protobufs to include this for them!
 
 namespace google {
 namespace protobuf {
+  namespace io {
+    class CodedInputStream;         // coded_stream.h
+    class CodedOutputStream;        // coded_stream.h
+    class ZeroCopyInputStream;      // zero_copy_stream.h
+  }
+  namespace internal {
+    class WireFormat;               // wire_format.h
+    class UnknownFieldSetFieldSkipperUsingCord;
+                                    // extension_set_heavy.cc
+  }
 
 class Message;                      // message.h
 class UnknownField;                 // below
@@ -68,6 +80,9 @@ class LIBPROTOBUF_EXPORT UnknownFieldSet {
   // Remove all fields.
   inline void Clear();
 
+  // Remove all fields and deallocate internal data objects
+  void ClearAndFreeMemory();
+
   // Is this set empty?
   inline bool empty() const;
 
@@ -107,6 +122,15 @@ class LIBPROTOBUF_EXPORT UnknownFieldSet {
   // Adds an unknown field from another set.
   void AddField(const UnknownField& field);
 
+  // Delete fields with indices in the range [start .. start+num-1].
+  // Caution: implementation moves all fields with indices [start+num .. ].
+  void DeleteSubrange(int start, int num);
+
+  // Delete all fields with a specific field number. The order of left fields
+  // is preserved.
+  // Caution: implementation moves all fields after the first deleted field.
+  void DeleteByNumber(int number);
+
   // Parsing helpers -------------------------------------------------
   // These work exactly like the similarly-named methods of Message.
 
@@ -119,6 +143,7 @@ class LIBPROTOBUF_EXPORT UnknownFieldSet {
   }
 
  private:
+
   void ClearFallback();
 
   vector<UnknownField>* fields_;
@@ -159,6 +184,15 @@ class LIBPROTOBUF_EXPORT UnknownField {
   inline string* mutable_length_delimited();
   inline UnknownFieldSet* mutable_group();
 
+  // Serialization API.
+  // These methods can take advantage of the underlying implementation and may
+  // archieve a better performance than using getters to retrieve the data and
+  // do the serialization yourself.
+  void SerializeLengthDelimitedNoTag(io::CodedOutputStream* output) const;
+  uint8* SerializeLengthDelimitedNoTagToArray(uint8* target) const;
+
+  inline int GetLengthDelimitedSize() const;
+
  private:
   friend class UnknownFieldSet;
 
@@ -168,13 +202,16 @@ class LIBPROTOBUF_EXPORT UnknownField {
   // Make a deep copy of any pointers in this UnknownField.
   void DeepCopy();
 
+
   unsigned int number_ : 29;
   unsigned int type_   : 3;
   union {
     uint64 varint_;
     uint32 fixed32_;
     uint64 fixed64_;
-    string* length_delimited_;
+    mutable union {
+      string* string_value_;
+    } length_delimited_;
     UnknownFieldSet* group_;
   };
 };
@@ -211,57 +248,63 @@ inline void UnknownFieldSet::AddLengthDelimited(
   AddLengthDelimited(number)->assign(value);
 }
 
+
 inline int UnknownField::number() const { return number_; }
 inline UnknownField::Type UnknownField::type() const {
   return static_cast<Type>(type_);
 }
 
 inline uint64 UnknownField::varint () const {
-  GOOGLE_DCHECK_EQ(type_, TYPE_VARINT);
+  assert(type_ == TYPE_VARINT);
   return varint_;
 }
 inline uint32 UnknownField::fixed32() const {
-  GOOGLE_DCHECK_EQ(type_, TYPE_FIXED32);
+  assert(type_ == TYPE_FIXED32);
   return fixed32_;
 }
 inline uint64 UnknownField::fixed64() const {
-  GOOGLE_DCHECK_EQ(type_, TYPE_FIXED64);
+  assert(type_ == TYPE_FIXED64);
   return fixed64_;
 }
 inline const string& UnknownField::length_delimited() const {
-  GOOGLE_DCHECK_EQ(type_, TYPE_LENGTH_DELIMITED);
-  return *length_delimited_;
+  assert(type_ == TYPE_LENGTH_DELIMITED);
+  return *length_delimited_.string_value_;
 }
 inline const UnknownFieldSet& UnknownField::group() const {
-  GOOGLE_DCHECK_EQ(type_, TYPE_GROUP);
+  assert(type_ == TYPE_GROUP);
   return *group_;
 }
 
 inline void UnknownField::set_varint(uint64 value) {
-  GOOGLE_DCHECK_EQ(type_, TYPE_VARINT);
+  assert(type_ == TYPE_VARINT);
   varint_ = value;
 }
 inline void UnknownField::set_fixed32(uint32 value) {
-  GOOGLE_DCHECK_EQ(type_, TYPE_FIXED32);
+  assert(type_ == TYPE_FIXED32);
   fixed32_ = value;
 }
 inline void UnknownField::set_fixed64(uint64 value) {
-  GOOGLE_DCHECK_EQ(type_, TYPE_FIXED64);
+  assert(type_ == TYPE_FIXED64);
   fixed64_ = value;
 }
 inline void UnknownField::set_length_delimited(const string& value) {
-  GOOGLE_DCHECK_EQ(type_, TYPE_LENGTH_DELIMITED);
-  length_delimited_->assign(value);
+  assert(type_ == TYPE_LENGTH_DELIMITED);
+  length_delimited_.string_value_->assign(value);
 }
 inline string* UnknownField::mutable_length_delimited() {
-  GOOGLE_DCHECK_EQ(type_, TYPE_LENGTH_DELIMITED);
-  return length_delimited_;
+  assert(type_ == TYPE_LENGTH_DELIMITED);
+  return length_delimited_.string_value_;
 }
 inline UnknownFieldSet* UnknownField::mutable_group() {
-  GOOGLE_DCHECK_EQ(type_, TYPE_GROUP);
+  assert(type_ == TYPE_GROUP);
   return group_;
 }
 
+inline int UnknownField::GetLengthDelimitedSize() const {
+  GOOGLE_DCHECK_EQ(TYPE_LENGTH_DELIMITED, type_);
+  return length_delimited_.string_value_->size();
+}
+
 }  // namespace protobuf
 
 }  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/unknown_field_set_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/unknown_field_set_unittest.cc
similarity index 84%
rename from common/protobuf-2.3.0/src/google/protobuf/unknown_field_set_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/unknown_field_set_unittest.cc
index 1235c9ee..c6b8769f 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/unknown_field_set_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/unknown_field_set_unittest.cc
@@ -46,15 +46,13 @@
 #include <google/protobuf/stubs/common.h>
 #include <google/protobuf/testing/googletest.h>
 #include <gtest/gtest.h>
-#include <google/protobuf/stubs/stl_util-inl.h>
+#include <google/protobuf/stubs/stl_util.h>
 
 namespace google {
 namespace protobuf {
 
 using internal::WireFormat;
 
-namespace {
-
 class UnknownFieldSetTest : public testing::Test {
  protected:
   virtual void SetUp() {
@@ -107,6 +105,8 @@ class UnknownFieldSetTest : public testing::Test {
   UnknownFieldSet* unknown_fields_;
 };
 
+namespace {
+
 TEST_F(UnknownFieldSetTest, AllFieldsPresent) {
   // All fields of TestAllTypes should be present, in numeric order (because
   // that's the order we parsed them in).  Fields that are not valid field
@@ -297,12 +297,21 @@ TEST_F(UnknownFieldSetTest, MergeFrom) {
     destination.DebugString());
 }
 
+
 TEST_F(UnknownFieldSetTest, Clear) {
   // Clear the set.
   empty_message_.Clear();
   EXPECT_EQ(0, unknown_fields_->field_count());
 }
 
+TEST_F(UnknownFieldSetTest, ClearAndFreeMemory) {
+  EXPECT_GT(unknown_fields_->field_count(), 0);
+  unknown_fields_->ClearAndFreeMemory();
+  EXPECT_EQ(0, unknown_fields_->field_count());
+  unknown_fields_->AddVarint(123456, 654321);
+  EXPECT_EQ(1, unknown_fields_->field_count());
+}
+
 TEST_F(UnknownFieldSetTest, ParseKnownAndUnknown) {
   // Test mixing known and unknown fields when parsing.
 
@@ -498,6 +507,7 @@ TEST_F(UnknownFieldSetTest, SpaceUsed) {
   EXPECT_LT(base_size, empty_message.SpaceUsed());
 }
 
+
 TEST_F(UnknownFieldSetTest, Empty) {
   UnknownFieldSet unknown_fields;
   EXPECT_TRUE(unknown_fields.empty());
@@ -507,6 +517,78 @@ TEST_F(UnknownFieldSetTest, Empty) {
   EXPECT_TRUE(unknown_fields.empty());
 }
 
+TEST_F(UnknownFieldSetTest, DeleteSubrange) {
+  // Exhaustively test the deletion of every possible subrange in arrays of all
+  // sizes from 0 through 9.
+  for (int size = 0; size < 10; ++size) {
+    for (int num = 0; num <= size; ++num) {
+      for (int start = 0; start < size - num; ++start) {
+        // Create a set with "size" fields.
+        UnknownFieldSet unknown;
+        for (int i = 0; i < size; ++i) {
+          unknown.AddFixed32(i, i);
+        }
+        // Delete the specified subrange.
+        unknown.DeleteSubrange(start, num);
+        // Make sure the resulting field values are still correct.
+        EXPECT_EQ(size - num, unknown.field_count());
+        for (int i = 0; i < unknown.field_count(); ++i) {
+          if (i < start) {
+            EXPECT_EQ(i, unknown.field(i).fixed32());
+          } else {
+            EXPECT_EQ(i + num, unknown.field(i).fixed32());
+          }
+        }
+      }
+    }
+  }
+}
+
+void CheckDeleteByNumber(const vector<int>& field_numbers, int deleted_number,
+                        const vector<int>& expected_field_nubmers) {
+  UnknownFieldSet unknown_fields;
+  for (int i = 0; i < field_numbers.size(); ++i) {
+    unknown_fields.AddFixed32(field_numbers[i], i);
+  }
+  unknown_fields.DeleteByNumber(deleted_number);
+  ASSERT_EQ(expected_field_nubmers.size(), unknown_fields.field_count());
+  for (int i = 0; i < expected_field_nubmers.size(); ++i) {
+    EXPECT_EQ(expected_field_nubmers[i],
+              unknown_fields.field(i).number());
+  }
+}
+
+#define MAKE_VECTOR(x) vector<int>(x, x + GOOGLE_ARRAYSIZE(x))
+TEST_F(UnknownFieldSetTest, DeleteByNumber) {
+  CheckDeleteByNumber(vector<int>(), 1, vector<int>());
+  static const int kTestFieldNumbers1[] = {1, 2, 3};
+  static const int kFieldNumberToDelete1 = 1;
+  static const int kExpectedFieldNumbers1[] = {2, 3};
+  CheckDeleteByNumber(MAKE_VECTOR(kTestFieldNumbers1), kFieldNumberToDelete1,
+                      MAKE_VECTOR(kExpectedFieldNumbers1));
+  static const int kTestFieldNumbers2[] = {1, 2, 3};
+  static const int kFieldNumberToDelete2 = 2;
+  static const int kExpectedFieldNumbers2[] = {1, 3};
+  CheckDeleteByNumber(MAKE_VECTOR(kTestFieldNumbers2), kFieldNumberToDelete2,
+                      MAKE_VECTOR(kExpectedFieldNumbers2));
+  static const int kTestFieldNumbers3[] = {1, 2, 3};
+  static const int kFieldNumberToDelete3 = 3;
+  static const int kExpectedFieldNumbers3[] = {1, 2};
+  CheckDeleteByNumber(MAKE_VECTOR(kTestFieldNumbers3), kFieldNumberToDelete3,
+                      MAKE_VECTOR(kExpectedFieldNumbers3));
+  static const int kTestFieldNumbers4[] = {1, 2, 1, 4, 1};
+  static const int kFieldNumberToDelete4 = 1;
+  static const int kExpectedFieldNumbers4[] = {2, 4};
+  CheckDeleteByNumber(MAKE_VECTOR(kTestFieldNumbers4), kFieldNumberToDelete4,
+                      MAKE_VECTOR(kExpectedFieldNumbers4));
+  static const int kTestFieldNumbers5[] = {1, 2, 3, 4, 5};
+  static const int kFieldNumberToDelete5 = 6;
+  static const int kExpectedFieldNumbers5[] = {1, 2, 3, 4, 5};
+  CheckDeleteByNumber(MAKE_VECTOR(kTestFieldNumbers5), kFieldNumberToDelete5,
+                      MAKE_VECTOR(kExpectedFieldNumbers5));
+}
+#undef MAKE_VECTOR
 }  // namespace
+
 }  // namespace protobuf
 }  // namespace google
diff --git a/common/protobuf-2.3.0/src/google/protobuf/wire_format.cc b/common/protobuf-2.5.0/src/google/protobuf/wire_format.cc
similarity index 97%
rename from common/protobuf-2.3.0/src/google/protobuf/wire_format.cc
rename to common/protobuf-2.5.0/src/google/protobuf/wire_format.cc
index 831a5794..ead763b1 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/wire_format.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/wire_format.cc
@@ -48,12 +48,11 @@
 #include <google/protobuf/unknown_field_set.h>
 
 
+
 namespace google {
 namespace protobuf {
 namespace internal {
 
-using internal::WireFormatLite;
-
 namespace {
 
 // This function turns out to be convenient when using some macros later.
@@ -239,8 +238,6 @@ void WireFormat::SerializeUnknownMessageSetItems(
     // The only unknown fields that are allowed to exist in a MessageSet are
     // messages, which are length-delimited.
     if (field.type() == UnknownField::TYPE_LENGTH_DELIMITED) {
-      const string& data = field.length_delimited();
-
       // Start group.
       output->WriteVarint32(WireFormatLite::kMessageSetItemStartTag);
 
@@ -250,8 +247,7 @@ void WireFormat::SerializeUnknownMessageSetItems(
 
       // Write message.
       output->WriteVarint32(WireFormatLite::kMessageSetMessageTag);
-      output->WriteVarint32(data.size());
-      output->WriteString(data);
+      field.SerializeLengthDelimitedNoTag(output);
 
       // End group.
       output->WriteVarint32(WireFormatLite::kMessageSetItemEndTag);
@@ -268,8 +264,6 @@ uint8* WireFormat::SerializeUnknownMessageSetItemsToArray(
     // The only unknown fields that are allowed to exist in a MessageSet are
     // messages, which are length-delimited.
     if (field.type() == UnknownField::TYPE_LENGTH_DELIMITED) {
-      const string& data = field.length_delimited();
-
       // Start group.
       target = io::CodedOutputStream::WriteTagToArray(
           WireFormatLite::kMessageSetItemStartTag, target);
@@ -283,8 +277,7 @@ uint8* WireFormat::SerializeUnknownMessageSetItemsToArray(
       // Write message.
       target = io::CodedOutputStream::WriteTagToArray(
           WireFormatLite::kMessageSetMessageTag, target);
-      target = io::CodedOutputStream::WriteVarint32ToArray(data.size(), target);
-      target = io::CodedOutputStream::WriteStringToArray(data, target);
+      target = field.SerializeLengthDelimitedNoTagToArray(target);
 
       // End group.
       target = io::CodedOutputStream::WriteTagToArray(
@@ -354,9 +347,10 @@ int WireFormat::ComputeUnknownMessageSetItemsSize(
     if (field.type() == UnknownField::TYPE_LENGTH_DELIMITED) {
       size += WireFormatLite::kMessageSetItemTagsSize;
       size += io::CodedOutputStream::VarintSize32(field.number());
-      size += io::CodedOutputStream::VarintSize32(
-        field.length_delimited().size());
-      size += field.length_delimited().size();
+
+      int field_size = field.GetLengthDelimitedSize();
+      size += io::CodedOutputStream::VarintSize32(field_size);
+      size += field_size;
     }
   }
 
@@ -642,10 +636,7 @@ bool WireFormat::ParseAndMergeMessageSetItem(
   const FieldDescriptor* field = NULL;
 
   // If we see message data before the type_id, we'll append it to this so
-  // we can parse it later.  This will probably never happen in practice,
-  // as no MessageSet encoder I know of writes the message before the type ID.
-  // But, it's technically valid so we should allow it.
-  // TODO(kenton):  Use a Cord instead?  Do I care?
+  // we can parse it later.
   string message_data;
 
   while (true) {
@@ -683,7 +674,10 @@ bool WireFormat::ParseAndMergeMessageSetItem(
           uint32 length;
           if (!input->ReadVarint32(&length)) return false;
           if (!input->ReadString(&temp, length)) return false;
-          message_data.append(temp);
+          io::StringOutputStream output_stream(&message_data);
+          io::CodedOutputStream coded_output(&output_stream);
+          coded_output.WriteVarint32(length);
+          coded_output.WriteString(temp);
         } else {
           // Already saw type_id, so we can parse this directly.
           if (!ParseAndMergeField(fake_tag, field, message, input)) {
@@ -1056,10 +1050,10 @@ void WireFormat::VerifyUTF8StringFallback(const char* data,
         break;
       // no default case: have the compiler warn if a case is not covered.
     }
-    GOOGLE_LOG(ERROR) << "Encountered string containing invalid UTF-8 data while "
+    GOOGLE_LOG(ERROR) << "String field contains invalid UTF-8 data when "
                << operation_str
-               << " protocol buffer. Strings must contain only UTF-8; "
-                  "use the 'bytes' type for raw bytes.";
+               << " a protocol buffer. Use the 'bytes' type if you intend to "
+                  "send raw bytes.";
   }
 }
 
diff --git a/common/protobuf-2.3.0/src/google/protobuf/wire_format.h b/common/protobuf-2.5.0/src/google/protobuf/wire_format.h
similarity index 98%
rename from common/protobuf-2.3.0/src/google/protobuf/wire_format.h
rename to common/protobuf-2.5.0/src/google/protobuf/wire_format.h
index c7539250..6cc90029 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/wire_format.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/wire_format.h
@@ -40,6 +40,7 @@
 #define GOOGLE_PROTOBUF_WIRE_FORMAT_H__
 
 #include <string>
+#include <google/protobuf/stubs/common.h>
 #include <google/protobuf/descriptor.pb.h>
 #include <google/protobuf/descriptor.h>
 #include <google/protobuf/message.h>
@@ -253,7 +254,7 @@ class LIBPROTOBUF_EXPORT UnknownFieldSetFieldSkipper : public FieldSkipper {
   virtual bool SkipMessage(io::CodedInputStream* input);
   virtual void SkipUnknownEnum(int field_number, int value);
 
- private:
+ protected:
   UnknownFieldSet* unknown_fields_;
 };
 
@@ -293,6 +294,9 @@ inline void WireFormat::VerifyUTF8String(const char* data, int size,
     WireFormat::Operation op) {
 #ifdef GOOGLE_PROTOBUF_UTF8_VALIDATION_ENABLED
   WireFormat::VerifyUTF8StringFallback(data, size, op);
+#else
+  // Avoid the compiler warning about unsued variables.
+  (void)data; (void)size; (void)op;
 #endif
 }
 
diff --git a/common/protobuf-2.3.0/src/google/protobuf/wire_format_lite.cc b/common/protobuf-2.5.0/src/google/protobuf/wire_format_lite.cc
similarity index 96%
rename from common/protobuf-2.3.0/src/google/protobuf/wire_format_lite.cc
rename to common/protobuf-2.5.0/src/google/protobuf/wire_format_lite.cc
index d347d116..738fc421 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/wire_format_lite.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/wire_format_lite.cc
@@ -40,7 +40,7 @@
 #include <google/protobuf/stubs/common.h>
 #include <google/protobuf/io/coded_stream_inl.h>
 #include <google/protobuf/io/zero_copy_stream.h>
-#include <google/protobuf/io/zero_copy_stream_impl.h>
+#include <google/protobuf/io/zero_copy_stream_impl_lite.h>
 
 namespace google {
 namespace protobuf {
@@ -56,10 +56,10 @@ const int WireFormatLite::kMessageSetMessageTag;
 #endif
 
 const int WireFormatLite::kMessageSetItemTagsSize =
-  io::CodedOutputStream::VarintSize32(kMessageSetItemStartTag) +
-  io::CodedOutputStream::VarintSize32(kMessageSetItemEndTag) +
-  io::CodedOutputStream::VarintSize32(kMessageSetTypeIdTag) +
-  io::CodedOutputStream::VarintSize32(kMessageSetMessageTag);
+  io::CodedOutputStream::StaticVarintSize32<kMessageSetItemStartTag>::value +
+  io::CodedOutputStream::StaticVarintSize32<kMessageSetItemEndTag>::value +
+  io::CodedOutputStream::StaticVarintSize32<kMessageSetTypeIdTag>::value +
+  io::CodedOutputStream::StaticVarintSize32<kMessageSetMessageTag>::value;
 
 const WireFormatLite::CppType
 WireFormatLite::kFieldTypeToCppTypeMap[MAX_FIELD_TYPE + 1] = {
@@ -281,12 +281,14 @@ void WireFormatLite::WriteString(int field_number, const string& value,
                                  io::CodedOutputStream* output) {
   // String is for UTF-8 text only
   WriteTag(field_number, WIRETYPE_LENGTH_DELIMITED, output);
+  GOOGLE_CHECK(value.size() <= kint32max);
   output->WriteVarint32(value.size());
   output->WriteString(value);
 }
 void WireFormatLite::WriteBytes(int field_number, const string& value,
                                 io::CodedOutputStream* output) {
   WriteTag(field_number, WIRETYPE_LENGTH_DELIMITED, output);
+  GOOGLE_CHECK(value.size() <= kint32max);
   output->WriteVarint32(value.size());
   output->WriteString(value);
 }
diff --git a/common/protobuf-2.3.0/src/google/protobuf/wire_format_lite.h b/common/protobuf-2.5.0/src/google/protobuf/wire_format_lite.h
similarity index 98%
rename from common/protobuf-2.3.0/src/google/protobuf/wire_format_lite.h
rename to common/protobuf-2.5.0/src/google/protobuf/wire_format_lite.h
index e3d5b2d8..cb4fc918 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/wire_format_lite.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/wire_format_lite.h
@@ -41,16 +41,14 @@
 #define GOOGLE_PROTOBUF_WIRE_FORMAT_LITE_H__
 
 #include <string>
+#include <google/protobuf/stubs/common.h>
 #include <google/protobuf/message_lite.h>
+#include <google/protobuf/io/coded_stream.h>  // for CodedOutputStream::Varint32Size
 
 namespace google {
 
 namespace protobuf {
   template <typename T> class RepeatedField;  // repeated_field.h
-  namespace io {
-    class CodedInputStream;             // coded_stream.h
-    class CodedOutputStream;            // coded_stream.h
-  }
 }
 
 namespace protobuf {
@@ -477,6 +475,10 @@ class LIBPROTOBUF_EXPORT WireFormatLite {
   template<typename MessageType>
   static inline int MessageSizeNoVirtual(const MessageType& value);
 
+  // Given the length of data, calculate the byte size of the data on the
+  // wire if we encode the data as a length delimited field.
+  static inline int LengthDelimitedSize(int length);
+
  private:
   // A helper method for the repeated primitive reader. This method has
   // optimizations for primitive types that have fixed size on the wire, and
diff --git a/common/protobuf-2.3.0/src/google/protobuf/wire_format_lite_inl.h b/common/protobuf-2.5.0/src/google/protobuf/wire_format_lite_inl.h
similarity index 87%
rename from common/protobuf-2.3.0/src/google/protobuf/wire_format_lite_inl.h
rename to common/protobuf-2.5.0/src/google/protobuf/wire_format_lite_inl.h
index d7b2c302..641cc92f 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/wire_format_lite_inl.h
+++ b/common/protobuf-2.5.0/src/google/protobuf/wire_format_lite_inl.h
@@ -41,7 +41,6 @@
 #include <google/protobuf/message_lite.h>
 #include <google/protobuf/repeated_field.h>
 #include <google/protobuf/wire_format_lite.h>
-#include <google/protobuf/generated_message_util.h>
 #include <google/protobuf/io/coded_stream.h>
 
 
@@ -222,7 +221,7 @@ inline const uint8* WireFormatLite::ReadPrimitiveFromArray<
 }
 
 template <typename CType, enum WireFormatLite::FieldType DeclaredType>
-inline bool WireFormatLite::ReadRepeatedPrimitive(int tag_size,
+inline bool WireFormatLite::ReadRepeatedPrimitive(int, // tag_size, unused.
                                                uint32 tag,
                                                io::CodedInputStream* input,
                                                RepeatedField<CType>* values) {
@@ -300,12 +299,12 @@ inline bool WireFormatLite::ReadRepeatedPrimitive<                             \
       tag_size, tag, input, values);                                           \
 }
 
-READ_REPEATED_FIXED_SIZE_PRIMITIVE(uint32, TYPE_FIXED32);
-READ_REPEATED_FIXED_SIZE_PRIMITIVE(uint64, TYPE_FIXED64);
-READ_REPEATED_FIXED_SIZE_PRIMITIVE(int32, TYPE_SFIXED32);
-READ_REPEATED_FIXED_SIZE_PRIMITIVE(int64, TYPE_SFIXED64);
-READ_REPEATED_FIXED_SIZE_PRIMITIVE(float, TYPE_FLOAT);
-READ_REPEATED_FIXED_SIZE_PRIMITIVE(double, TYPE_DOUBLE);
+READ_REPEATED_FIXED_SIZE_PRIMITIVE(uint32, TYPE_FIXED32)
+READ_REPEATED_FIXED_SIZE_PRIMITIVE(uint64, TYPE_FIXED64)
+READ_REPEATED_FIXED_SIZE_PRIMITIVE(int32, TYPE_SFIXED32)
+READ_REPEATED_FIXED_SIZE_PRIMITIVE(int64, TYPE_SFIXED64)
+READ_REPEATED_FIXED_SIZE_PRIMITIVE(float, TYPE_FLOAT)
+READ_REPEATED_FIXED_SIZE_PRIMITIVE(double, TYPE_DOUBLE)
 
 #undef READ_REPEATED_FIXED_SIZE_PRIMITIVE
 
@@ -368,12 +367,24 @@ inline bool WireFormatLite::ReadMessage(io::CodedInputStream* input,
   return true;
 }
 
-template<typename MessageType>
-inline bool WireFormatLite::ReadGroupNoVirtual(int field_number,
-                                               io::CodedInputStream* input,
-                                               MessageType* value) {
+// We name the template parameter something long and extremely unlikely to occur
+// elsewhere because a *qualified* member access expression designed to avoid
+// virtual dispatch, C++03 [basic.lookup.classref] 3.4.5/4 requires that the
+// name of the qualifying class to be looked up both in the context of the full
+// expression (finding the template parameter) and in the context of the object
+// whose member we are accessing. This could potentially find a nested type
+// within that object. The standard goes on to require these names to refer to
+// the same entity, which this collision would violate. The lack of a safe way
+// to avoid this collision appears to be a defect in the standard, but until it
+// is corrected, we choose the name to avoid accidental collisions.
+template<typename MessageType_WorkAroundCppLookupDefect>
+inline bool WireFormatLite::ReadGroupNoVirtual(
+    int field_number, io::CodedInputStream* input,
+    MessageType_WorkAroundCppLookupDefect* value) {
   if (!input->IncrementRecursionDepth()) return false;
-  if (!value->MessageType::MergePartialFromCodedStream(input)) return false;
+  if (!value->
+      MessageType_WorkAroundCppLookupDefect::MergePartialFromCodedStream(input))
+    return false;
   input->DecrementRecursionDepth();
   // Make sure the last thing read was an end tag for this group.
   if (!input->LastTagWas(MakeTag(field_number, WIRETYPE_END_GROUP))) {
@@ -381,14 +392,16 @@ inline bool WireFormatLite::ReadGroupNoVirtual(int field_number,
   }
   return true;
 }
-template<typename MessageType>
-inline bool WireFormatLite::ReadMessageNoVirtual(io::CodedInputStream* input,
-                                                 MessageType* value) {
+template<typename MessageType_WorkAroundCppLookupDefect>
+inline bool WireFormatLite::ReadMessageNoVirtual(
+    io::CodedInputStream* input, MessageType_WorkAroundCppLookupDefect* value) {
   uint32 length;
   if (!input->ReadVarint32(&length)) return false;
   if (!input->IncrementRecursionDepth()) return false;
   io::CodedInputStream::Limit limit = input->PushLimit(length);
-  if (!value->MessageType::MergePartialFromCodedStream(input)) return false;
+  if (!value->
+      MessageType_WorkAroundCppLookupDefect::MergePartialFromCodedStream(input))
+    return false;
   // Make sure that parsing stopped when the limit was hit, not at an endgroup
   // tag.
   if (!input->ConsumedEntireMessage()) return false;
@@ -461,21 +474,24 @@ inline void WireFormatLite::WriteEnumNoTag(int value,
   output->WriteVarint32SignExtended(value);
 }
 
-template<typename MessageType>
-inline void WireFormatLite::WriteGroupNoVirtual(int field_number,
-                                                const MessageType& value,
-                                                io::CodedOutputStream* output) {
+// See comment on ReadGroupNoVirtual to understand the need for this template
+// parameter name.
+template<typename MessageType_WorkAroundCppLookupDefect>
+inline void WireFormatLite::WriteGroupNoVirtual(
+    int field_number, const MessageType_WorkAroundCppLookupDefect& value,
+    io::CodedOutputStream* output) {
   WriteTag(field_number, WIRETYPE_START_GROUP, output);
-  value.MessageType::SerializeWithCachedSizes(output);
+  value.MessageType_WorkAroundCppLookupDefect::SerializeWithCachedSizes(output);
   WriteTag(field_number, WIRETYPE_END_GROUP, output);
 }
-template<typename MessageType>
-inline void WireFormatLite::WriteMessageNoVirtual(int field_number,
-                                                const MessageType& value,
-                                                io::CodedOutputStream* output) {
+template<typename MessageType_WorkAroundCppLookupDefect>
+inline void WireFormatLite::WriteMessageNoVirtual(
+    int field_number, const MessageType_WorkAroundCppLookupDefect& value,
+    io::CodedOutputStream* output) {
   WriteTag(field_number, WIRETYPE_LENGTH_DELIMITED, output);
-  output->WriteVarint32(value.MessageType::GetCachedSize());
-  value.MessageType::SerializeWithCachedSizes(output);
+  output->WriteVarint32(
+      value.MessageType_WorkAroundCppLookupDefect::GetCachedSize());
+  value.MessageType_WorkAroundCppLookupDefect::SerializeWithCachedSizes(output);
 }
 
 // ===================================================================
@@ -672,20 +688,26 @@ inline uint8* WireFormatLite::WriteMessageToArray(int field_number,
   return value.SerializeWithCachedSizesToArray(target);
 }
 
-template<typename MessageType>
+// See comment on ReadGroupNoVirtual to understand the need for this template
+// parameter name.
+template<typename MessageType_WorkAroundCppLookupDefect>
 inline uint8* WireFormatLite::WriteGroupNoVirtualToArray(
-    int field_number, const MessageType& value, uint8* target) {
+    int field_number, const MessageType_WorkAroundCppLookupDefect& value,
+    uint8* target) {
   target = WriteTagToArray(field_number, WIRETYPE_START_GROUP, target);
-  target = value.MessageType::SerializeWithCachedSizesToArray(target);
+  target = value.MessageType_WorkAroundCppLookupDefect
+      ::SerializeWithCachedSizesToArray(target);
   return WriteTagToArray(field_number, WIRETYPE_END_GROUP, target);
 }
-template<typename MessageType>
+template<typename MessageType_WorkAroundCppLookupDefect>
 inline uint8* WireFormatLite::WriteMessageNoVirtualToArray(
-    int field_number, const MessageType& value, uint8* target) {
+    int field_number, const MessageType_WorkAroundCppLookupDefect& value,
+    uint8* target) {
   target = WriteTagToArray(field_number, WIRETYPE_LENGTH_DELIMITED, target);
   target = io::CodedOutputStream::WriteVarint32ToArray(
-    value.MessageType::GetCachedSize(), target);
-  return value.MessageType::SerializeWithCachedSizesToArray(target);
+    value.MessageType_WorkAroundCppLookupDefect::GetCachedSize(), target);
+  return value.MessageType_WorkAroundCppLookupDefect
+      ::SerializeWithCachedSizesToArray(target);
 }
 
 // ===================================================================
@@ -726,18 +748,25 @@ inline int WireFormatLite::GroupSize(const MessageLite& value) {
   return value.ByteSize();
 }
 inline int WireFormatLite::MessageSize(const MessageLite& value) {
-  int size = value.ByteSize();
-  return io::CodedOutputStream::VarintSize32(size) + size;
+  return LengthDelimitedSize(value.ByteSize());
 }
 
-template<typename MessageType>
-inline int WireFormatLite::GroupSizeNoVirtual(const MessageType& value) {
-  return value.MessageType::ByteSize();
+// See comment on ReadGroupNoVirtual to understand the need for this template
+// parameter name.
+template<typename MessageType_WorkAroundCppLookupDefect>
+inline int WireFormatLite::GroupSizeNoVirtual(
+    const MessageType_WorkAroundCppLookupDefect& value) {
+  return value.MessageType_WorkAroundCppLookupDefect::ByteSize();
 }
-template<typename MessageType>
-inline int WireFormatLite::MessageSizeNoVirtual(const MessageType& value) {
-  int size = value.MessageType::ByteSize();
-  return io::CodedOutputStream::VarintSize32(size) + size;
+template<typename MessageType_WorkAroundCppLookupDefect>
+inline int WireFormatLite::MessageSizeNoVirtual(
+    const MessageType_WorkAroundCppLookupDefect& value) {
+  return LengthDelimitedSize(
+      value.MessageType_WorkAroundCppLookupDefect::ByteSize());
+}
+
+inline int WireFormatLite::LengthDelimitedSize(int length) {
+  return io::CodedOutputStream::VarintSize32(length) + length;
 }
 
 }  // namespace internal
diff --git a/common/protobuf-2.3.0/src/google/protobuf/wire_format_unittest.cc b/common/protobuf-2.5.0/src/google/protobuf/wire_format_unittest.cc
similarity index 90%
rename from common/protobuf-2.3.0/src/google/protobuf/wire_format_unittest.cc
rename to common/protobuf-2.5.0/src/google/protobuf/wire_format_unittest.cc
index 867970c4..9822828b 100644
--- a/common/protobuf-2.3.0/src/google/protobuf/wire_format_unittest.cc
+++ b/common/protobuf-2.5.0/src/google/protobuf/wire_format_unittest.cc
@@ -44,7 +44,7 @@
 #include <google/protobuf/stubs/common.h>
 #include <google/protobuf/testing/googletest.h>
 #include <gtest/gtest.h>
-#include <google/protobuf/stubs/stl_util-inl.h>
+#include <google/protobuf/stubs/stl_util.h>
 
 namespace google {
 namespace protobuf {
@@ -480,6 +480,54 @@ TEST(WireFormatTest, ParseMessageSet) {
   EXPECT_EQ(message_set.DebugString(), dynamic_message_set.DebugString());
 }
 
+TEST(WireFormatTest, ParseMessageSetWithReverseTagOrder) {
+  string data;
+  {
+    unittest::TestMessageSetExtension1 message;
+    message.set_i(123);
+    // Build a MessageSet manually with its message content put before its
+    // type_id.
+    io::StringOutputStream output_stream(&data);
+    io::CodedOutputStream coded_output(&output_stream);
+    coded_output.WriteTag(WireFormatLite::kMessageSetItemStartTag);
+    // Write the message content first.
+    WireFormatLite::WriteTag(WireFormatLite::kMessageSetMessageNumber,
+                             WireFormatLite::WIRETYPE_LENGTH_DELIMITED,
+                             &coded_output);
+    coded_output.WriteVarint32(message.ByteSize());
+    message.SerializeWithCachedSizes(&coded_output);
+    // Write the type id.
+    uint32 type_id = message.GetDescriptor()->extension(0)->number();
+    WireFormatLite::WriteUInt32(WireFormatLite::kMessageSetTypeIdNumber,
+                                type_id, &coded_output);
+    coded_output.WriteTag(WireFormatLite::kMessageSetItemEndTag);
+  }
+  {
+    unittest::TestMessageSet message_set;
+    ASSERT_TRUE(message_set.ParseFromString(data));
+
+    EXPECT_EQ(123, message_set.GetExtension(
+        unittest::TestMessageSetExtension1::message_set_extension).i());
+  }
+  {
+    // Test parse the message via Reflection.
+    unittest::TestMessageSet message_set;
+    io::CodedInputStream input(
+        reinterpret_cast<const uint8*>(data.data()), data.size());
+    EXPECT_TRUE(WireFormat::ParseAndMergePartial(&input, &message_set));
+    EXPECT_TRUE(input.ConsumedEntireMessage());
+
+    EXPECT_EQ(123, message_set.GetExtension(
+        unittest::TestMessageSetExtension1::message_set_extension).i());
+  }
+}
+
+TEST(WireFormatTest, ParseBrokenMessageSet) {
+  unittest::TestMessageSet message_set;
+  string input("goodbye");  // Invalid wire format data.
+  EXPECT_FALSE(message_set.ParseFromString(input));
+}
+
 TEST(WireFormatTest, RecursionLimit) {
   unittest::TestRecursiveMessage message;
   message.mutable_a()->mutable_a()->mutable_a()->mutable_a()->set_i(1);
@@ -800,6 +848,10 @@ bool ReadMessage(const string &wire_buffer, T *message) {
   return message->ParseFromArray(wire_buffer.data(), wire_buffer.size());
 }
 
+bool StartsWith(const string& s, const string& prefix) {
+  return s.substr(0, prefix.length()) == prefix;
+}
+
 TEST(Utf8ValidationTest, WriteInvalidUTF8String) {
   string wire_buffer;
   protobuf_unittest::OneString input;
@@ -811,11 +863,10 @@ TEST(Utf8ValidationTest, WriteInvalidUTF8String) {
   }
 #ifdef GOOGLE_PROTOBUF_UTF8_VALIDATION_ENABLED
   ASSERT_EQ(1, errors.size());
-  EXPECT_EQ("Encountered string containing invalid UTF-8 data while "
-            "serializing protocol buffer. Strings must contain only UTF-8; "
-            "use the 'bytes' type for raw bytes.",
-            errors[0]);
-
+  EXPECT_TRUE(StartsWith(errors[0],
+                         "String field contains invalid UTF-8 data when "
+                         "serializing a protocol buffer. Use the "
+                         "'bytes' type if you intend to send raw bytes."));
 #else
   ASSERT_EQ(0, errors.size());
 #endif  // GOOGLE_PROTOBUF_UTF8_VALIDATION_ENABLED
@@ -834,10 +885,10 @@ TEST(Utf8ValidationTest, ReadInvalidUTF8String) {
   }
 #ifdef GOOGLE_PROTOBUF_UTF8_VALIDATION_ENABLED
   ASSERT_EQ(1, errors.size());
-  EXPECT_EQ("Encountered string containing invalid UTF-8 data while "
-            "parsing protocol buffer. Strings must contain only UTF-8; "
-            "use the 'bytes' type for raw bytes.",
-            errors[0]);
+  EXPECT_TRUE(StartsWith(errors[0],
+                         "String field contains invalid UTF-8 data when "
+                         "parsing a protocol buffer. Use the "
+                         "'bytes' type if you intend to send raw bytes."));
 
 #else
   ASSERT_EQ(0, errors.size());
@@ -899,6 +950,28 @@ TEST(Utf8ValidationTest, ReadArbitraryBytes) {
   EXPECT_EQ(input.data(), output.data());
 }
 
+TEST(Utf8ValidationTest, ParseRepeatedString) {
+  protobuf_unittest::MoreBytes input;
+  input.add_data(kValidUTF8String);
+  input.add_data(kInvalidUTF8String);
+  input.add_data(kInvalidUTF8String);
+  string wire_buffer = input.SerializeAsString();
+
+  protobuf_unittest::MoreString output;
+  vector<string> errors;
+  {
+    ScopedMemoryLog log;
+    ReadMessage(wire_buffer, &output);
+    errors = log.GetMessages(ERROR);
+  }
+#ifdef GOOGLE_PROTOBUF_UTF8_VALIDATION_ENABLED
+  ASSERT_EQ(2, errors.size());
+#else
+  ASSERT_EQ(0, errors.size());
+#endif  // GOOGLE_PROTOBUF_UTF8_VALIDATION_ENABLED
+  EXPECT_EQ(wire_buffer, output.SerializeAsString());
+}
+
 }  // namespace
 }  // namespace internal
 }  // namespace protobuf
diff --git a/common/protobuf-2.3.0/src/solaris/libstdc++.la b/common/protobuf-2.5.0/src/solaris/libstdc++.la
similarity index 100%
rename from common/protobuf-2.3.0/src/solaris/libstdc++.la
rename to common/protobuf-2.5.0/src/solaris/libstdc++.la