forked from BigfootDev/flatbuffers
44bf719883
* Add flatc '--cpp_std' switch and sandbox for C++17 code generator - Added 'flac --cpp_std legacy' for compatibility with old compilers (VS2010); - Added experimental switch 'flac --cpp_std c++17' for future development; - Added C++17 sandbox test_cpp17.cpp; - C++ code generator generates enums with explicit underlying type to avoid problems with the forward and backward schema compatibility; - Adjusted CMakeLists.txt, CI and generate code scripts to support of introduced '--cpp_std'; * Fix --cpp_std values: c++0x, c++11, c++17 * Add 'cpp::CppStandard' enum * Add testing engine into test_cpp17 * Rebase to upstream/master * Set default '--cpp-std C++0x' * Fix code generation (--cpp_std C++11) in CMakeLists.txt - Fix dependency declaration of grpctest target * Revert --cpp-std for the tests from explicit C++11 to flatc default value (C++0x)
101 lines
3.1 KiB
C++
101 lines
3.1 KiB
C++
/*
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* Copyright 2017 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef FLATBUFFERS_FLATC_H_
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#define FLATBUFFERS_FLATC_H_
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#include <functional>
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#include <limits>
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#include <string>
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#include "flatbuffers/flatbuffers.h"
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#include "flatbuffers/idl.h"
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#include "flatbuffers/util.h"
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namespace flatbuffers {
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extern void LogCompilerWarn(const std::string &warn);
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extern void LogCompilerError(const std::string &err);
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class FlatCompiler {
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public:
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// Output generator for the various programming languages and formats we
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// support.
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struct Generator {
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typedef bool (*GenerateFn)(const flatbuffers::Parser &parser,
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const std::string &path,
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const std::string &file_name);
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typedef std::string (*MakeRuleFn)(const flatbuffers::Parser &parser,
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const std::string &path,
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const std::string &file_name);
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GenerateFn generate;
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const char *generator_opt_short;
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const char *generator_opt_long;
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const char *lang_name;
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bool schema_only;
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GenerateFn generateGRPC;
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flatbuffers::IDLOptions::Language lang;
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const char *generator_help;
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MakeRuleFn make_rule;
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};
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typedef void (*WarnFn)(const FlatCompiler *flatc, const std::string &warn,
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bool show_exe_name);
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typedef void (*ErrorFn)(const FlatCompiler *flatc, const std::string &err,
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bool usage, bool show_exe_name);
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// Parameters required to initialize the FlatCompiler.
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struct InitParams {
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InitParams()
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: generators(nullptr),
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num_generators(0),
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warn_fn(nullptr),
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error_fn(nullptr) {}
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const Generator *generators;
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size_t num_generators;
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WarnFn warn_fn;
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ErrorFn error_fn;
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};
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explicit FlatCompiler(const InitParams ¶ms) : params_(params) {}
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int Compile(int argc, const char **argv);
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std::string GetUsageString(const char *program_name) const;
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private:
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void ParseFile(flatbuffers::Parser &parser, const std::string &filename,
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const std::string &contents,
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std::vector<const char *> &include_directories) const;
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void LoadBinarySchema(Parser &parser, const std::string &filename,
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const std::string &contents);
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void Warn(const std::string &warn, bool show_exe_name = true) const;
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void Error(const std::string &err, bool usage = true,
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bool show_exe_name = true) const;
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InitParams params_;
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};
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} // namespace flatbuffers
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#endif // FLATBUFFERS_FLATC_H_
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