/thirdparty/breakpad/third_party/protobuf/protobuf/src/google/protobuf/compiler/cpp/cpp_generator.cc

http://github.com/tomahawk-player/tomahawk · C++ · 122 lines · 50 code · 19 blank · 53 comment · 4 complexity · 8aaa934f84302a13db5317514c62f978 MD5 · raw file

  1. // Protocol Buffers - Google's data interchange format
  2. // Copyright 2008 Google Inc. All rights reserved.
  3. // http://code.google.com/p/protobuf/
  4. //
  5. // Redistribution and use in source and binary forms, with or without
  6. // modification, are permitted provided that the following conditions are
  7. // met:
  8. //
  9. // * Redistributions of source code must retain the above copyright
  10. // notice, this list of conditions and the following disclaimer.
  11. // * Redistributions in binary form must reproduce the above
  12. // copyright notice, this list of conditions and the following disclaimer
  13. // in the documentation and/or other materials provided with the
  14. // distribution.
  15. // * Neither the name of Google Inc. nor the names of its
  16. // contributors may be used to endorse or promote products derived from
  17. // this software without specific prior written permission.
  18. //
  19. // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20. // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21. // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  22. // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  23. // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24. // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25. // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  26. // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  27. // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28. // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29. // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30. // Author: kenton@google.com (Kenton Varda)
  31. // Based on original Protocol Buffers design by
  32. // Sanjay Ghemawat, Jeff Dean, and others.
  33. #include <google/protobuf/compiler/cpp/cpp_generator.h>
  34. #include <vector>
  35. #include <utility>
  36. #include <google/protobuf/compiler/cpp/cpp_file.h>
  37. #include <google/protobuf/compiler/cpp/cpp_helpers.h>
  38. #include <google/protobuf/io/printer.h>
  39. #include <google/protobuf/io/zero_copy_stream.h>
  40. #include <google/protobuf/descriptor.pb.h>
  41. namespace google {
  42. namespace protobuf {
  43. namespace compiler {
  44. namespace cpp {
  45. CppGenerator::CppGenerator() {}
  46. CppGenerator::~CppGenerator() {}
  47. bool CppGenerator::Generate(const FileDescriptor* file,
  48. const string& parameter,
  49. GeneratorContext* generator_context,
  50. string* error) const {
  51. vector<pair<string, string> > options;
  52. ParseGeneratorParameter(parameter, &options);
  53. // -----------------------------------------------------------------
  54. // parse generator options
  55. // TODO(kenton): If we ever have more options, we may want to create a
  56. // class that encapsulates them which we can pass down to all the
  57. // generator classes. Currently we pass dllexport_decl down to all of
  58. // them via the constructors, but we don't want to have to add another
  59. // constructor parameter for every option.
  60. // If the dllexport_decl option is passed to the compiler, we need to write
  61. // it in front of every symbol that should be exported if this .proto is
  62. // compiled into a Windows DLL. E.g., if the user invokes the protocol
  63. // compiler as:
  64. // protoc --cpp_out=dllexport_decl=FOO_EXPORT:outdir foo.proto
  65. // then we'll define classes like this:
  66. // class FOO_EXPORT Foo {
  67. // ...
  68. // }
  69. // FOO_EXPORT is a macro which should expand to __declspec(dllexport) or
  70. // __declspec(dllimport) depending on what is being compiled.
  71. string dllexport_decl;
  72. for (int i = 0; i < options.size(); i++) {
  73. if (options[i].first == "dllexport_decl") {
  74. dllexport_decl = options[i].second;
  75. } else {
  76. *error = "Unknown generator option: " + options[i].first;
  77. return false;
  78. }
  79. }
  80. // -----------------------------------------------------------------
  81. string basename = StripProto(file->name());
  82. basename.append(".pb");
  83. FileGenerator file_generator(file, dllexport_decl);
  84. // Generate header.
  85. {
  86. scoped_ptr<io::ZeroCopyOutputStream> output(
  87. generator_context->Open(basename + ".h"));
  88. io::Printer printer(output.get(), '$');
  89. file_generator.GenerateHeader(&printer);
  90. }
  91. // Generate cc file.
  92. {
  93. scoped_ptr<io::ZeroCopyOutputStream> output(
  94. generator_context->Open(basename + ".cc"));
  95. io::Printer printer(output.get(), '$');
  96. file_generator.GenerateSource(&printer);
  97. }
  98. return true;
  99. }
  100. } // namespace cpp
  101. } // namespace compiler
  102. } // namespace protobuf
  103. } // namespace google