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// 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 TProtoStringType& base) {
runtime_include_base_ = base;
}
// implements CodeGenerator ----------------------------------------
bool Generate(const FileDescriptor* file, const TProtoStringType& parameter,
GeneratorContext* generator_context,
TProtoStringType* 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;
TProtoStringType 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__
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