| // Protocol Buffers - Google's data interchange format |
| // Copyright 2008 Google Inc. All rights reserved. |
| // https://developers.google.com/protocol-buffers/ |
| // |
| // 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. |
| // |
| // Generates C++ code for a given .proto file. |
| |
| #ifndef GOOGLE_PROTOBUF_COMPILER_CPP_GENERATOR_H__ |
| #define GOOGLE_PROTOBUF_COMPILER_CPP_GENERATOR_H__ |
| |
| #include <string> |
| #include <google/protobuf/compiler/code_generator.h> |
| |
| // Must be included last. |
| #include <google/protobuf/port_def.inc> |
| |
| namespace google { |
| namespace protobuf { |
| namespace compiler { |
| namespace cpp { |
| |
| // CodeGenerator implementation which generates a C++ source file and |
| // header. If you create your own protocol compiler binary and you want |
| // it to support C++ output, you can do so by registering an instance of this |
| // CodeGenerator with the CommandLineInterface in your main() function. |
| class PROTOC_EXPORT CppGenerator : public CodeGenerator { |
| public: |
| CppGenerator(); |
| ~CppGenerator() override; |
| |
| enum class Runtime { |
| kGoogle3, // Use the internal google3 runtime. |
| kOpensource, // Use the open-source runtime. |
| |
| // Use the open-source runtime with google3 #include paths. We make these |
| // absolute to avoid ambiguity, so the runtime will be #included like: |
| // #include "third_party/protobuf/.../google/protobuf/message.h" |
| kOpensourceGoogle3 |
| }; |
| |
| void set_opensource_runtime(bool opensource) { |
| opensource_runtime_ = opensource; |
| } |
| |
| // If set to a non-empty string, generated code will do: |
| // #include "<BASE>/google/protobuf/message.h" |
| // instead of: |
| // #include <google/protobuf/message.h> |
| // This has no effect if opensource_runtime = false. |
| void set_runtime_include_base(const std::string& base) { |
| runtime_include_base_ = base; |
| } |
| |
| // implements CodeGenerator ---------------------------------------- |
| bool Generate(const FileDescriptor* file, const std::string& parameter, |
| GeneratorContext* generator_context, |
| std::string* error) const override; |
| |
| uint64_t GetSupportedFeatures() const override { |
| // We don't fully support this yet, but this is needed to unblock the tests, |
| // and we will have full support before the experimental flag is removed. |
| return FEATURE_PROTO3_OPTIONAL; |
| } |
| |
| private: |
| bool opensource_runtime_ = true; |
| std::string runtime_include_base_; |
| GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(CppGenerator); |
| }; |
| |
| } // namespace cpp |
| } // namespace compiler |
| } // namespace protobuf |
| } // namespace google |
| |
| #include <google/protobuf/port_undef.inc> |
| |
| #endif // GOOGLE_PROTOBUF_COMPILER_CPP_GENERATOR_H__ |