0f6aab9da6
git-subtree-dir: third_party/flatbuffers git-subtree-split: 595bf0007ab1929570c7671f091313c8fc20644e
132 lines
3.9 KiB
C++
132 lines
3.9 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 <list>
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#include <memory>
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#include <string>
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#include "flatbuffers/code_generator.h"
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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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struct FlatCOptions {
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IDLOptions opts;
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std::string program_name;
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std::string output_path;
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std::vector<std::string> filenames;
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std::list<std::string> include_directories_storage;
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std::vector<const char *> include_directories;
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std::vector<const char *> conform_include_directories;
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std::vector<bool> generator_enabled;
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size_t binary_files_from = std::numeric_limits<size_t>::max();
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std::string conform_to_schema;
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std::string annotate_schema;
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bool annotate_include_vector_contents = true;
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bool any_generator = false;
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bool print_make_rules = false;
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bool raw_binary = false;
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bool schema_binary = false;
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bool grpc_enabled = false;
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bool requires_bfbs = false;
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bool file_names_only = false;
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std::vector<std::shared_ptr<CodeGenerator>> generators;
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};
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struct FlatCOption {
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std::string short_opt;
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std::string long_opt;
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std::string parameter;
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std::string description;
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};
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class FlatCompiler {
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public:
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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() : warn_fn(nullptr), error_fn(nullptr) {}
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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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bool RegisterCodeGenerator(const FlatCOption &option,
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std::shared_ptr<CodeGenerator> code_generator);
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int Compile(const FlatCOptions &options);
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std::string GetShortUsageString(const std::string &program_name) const;
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std::string GetUsageString(const std::string &program_name) const;
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// Parse the FlatC options from command line arguments.
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FlatCOptions ParseFromCommandLineArguments(int argc, const char **argv);
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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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const 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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void AnnotateBinaries(const uint8_t *binary_schema,
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uint64_t binary_schema_size,
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const FlatCOptions &options);
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void ValidateOptions(const FlatCOptions &options);
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Parser GetConformParser(const FlatCOptions &options);
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std::unique_ptr<Parser> GenerateCode(const FlatCOptions &options,
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Parser &conform_parser);
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std::map<std::string, std::shared_ptr<CodeGenerator>> code_generators_;
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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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