15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Protocol Buffers - Google's data interchange format 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright 2008 Google Inc. All rights reserved. 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// http://code.google.com/p/protobuf/ 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Redistribution and use in source and binary forms, with or without 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// modification, are permitted provided that the following conditions are 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// met: 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// * Redistributions of source code must retain the above copyright 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// notice, this list of conditions and the following disclaimer. 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// * Redistributions in binary form must reproduce the above 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// copyright notice, this list of conditions and the following disclaimer 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// in the documentation and/or other materials provided with the 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// distribution. 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// * Neither the name of Google Inc. nor the names of its 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// contributors may be used to endorse or promote products derived from 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// this software without specific prior written permission. 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Author: kenton@google.com (Kenton Varda) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Based on original Protocol Buffers design by 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Sanjay Ghemawat, Jeff Dean, and others. 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <google/protobuf/compiler/cpp/cpp_generator.h> 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <vector> 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <utility> 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <google/protobuf/compiler/cpp/cpp_file.h> 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <google/protobuf/compiler/cpp/cpp_helpers.h> 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <google/protobuf/io/printer.h> 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <google/protobuf/io/zero_copy_stream.h> 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <google/protobuf/descriptor.pb.h> 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace google { 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace protobuf { 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace compiler { 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace cpp { 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)CppGenerator::CppGenerator() {} 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)CppGenerator::~CppGenerator() {} 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool CppGenerator::Generate(const FileDescriptor* file, 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const string& parameter, 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GeneratorContext* generator_context, 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) string* error) const { 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) vector<pair<string, string> > options; 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ParseGeneratorParameter(parameter, &options); 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ----------------------------------------------------------------- 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // parse generator options 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(kenton): If we ever have more options, we may want to create a 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // class that encapsulates them which we can pass down to all the 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // generator classes. Currently we pass dllexport_decl down to all of 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // them via the constructors, but we don't want to have to add another 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // constructor parameter for every option. 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If the dllexport_decl option is passed to the compiler, we need to write 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // it in front of every symbol that should be exported if this .proto is 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // compiled into a Windows DLL. E.g., if the user invokes the protocol 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // compiler as: 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // protoc --cpp_out=dllexport_decl=FOO_EXPORT:outdir foo.proto 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // then we'll define classes like this: 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // class FOO_EXPORT Foo { 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ... 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // } 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // FOO_EXPORT is a macro which should expand to __declspec(dllexport) or 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // __declspec(dllimport) depending on what is being compiled. 81ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch Options file_options; 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = 0; i < options.size(); i++) { 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (options[i].first == "dllexport_decl") { 85ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch file_options.dllexport_decl = options[i].second; 86ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch } else if (options[i].first == "safe_boundary_check") { 87ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch file_options.safe_boundary_check = true; 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *error = "Unknown generator option: " + options[i].first; 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ----------------------------------------------------------------- 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) string basename = StripProto(file->name()); 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) basename.append(".pb"); 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 100ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch FileGenerator file_generator(file, file_options); 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Generate header. 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<io::ZeroCopyOutputStream> output( 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) generator_context->Open(basename + ".h")); 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) io::Printer printer(output.get(), '$'); 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) file_generator.GenerateHeader(&printer); 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Generate cc file. 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<io::ZeroCopyOutputStream> output( 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) generator_context->Open(basename + ".cc")); 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) io::Printer printer(output.get(), '$'); 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) file_generator.GenerateSource(&printer); 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace cpp 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace compiler 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace protobuf 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace google 125