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// Copyright 2008 Google Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
#ifndef GOOGLE_PROTOBUF_COMPILER_CPP_PARSE_FUNCTION_GENERATOR_H__
#define GOOGLE_PROTOBUF_COMPILER_CPP_PARSE_FUNCTION_GENERATOR_H__
#include <memory>
#include <string>
#include <vector>
#include "absl/container/flat_hash_map.h"
#include "absl/strings/string_view.h"
#include "google/protobuf/compiler/cpp/helpers.h"
#include "google/protobuf/compiler/cpp/options.h"
#include "google/protobuf/descriptor.h"
#include "google/protobuf/generated_message_tctable_gen.h"
#include "google/protobuf/io/printer.h"
namespace google {
namespace protobuf {
namespace compiler {
namespace cpp {
// ParseFunctionGenerator generates the _InternalParse function for a message
// (and any associated supporting members).
class ParseFunctionGenerator {
public:
ParseFunctionGenerator(
const Descriptor* descriptor, int max_has_bit_index,
const std::vector<int>& has_bit_indices,
const std::vector<int>& inlined_string_indices, const Options& options,
MessageSCCAnalyzer* scc_analyzer,
const absl::flat_hash_map<absl::string_view, std::string>& vars,
int index_in_file_messages);
// Emits class-level data member declarations to `printer`:
void GenerateDataDecls(io::Printer* printer);
// Emits out-of-class data member definitions to `printer`:
void GenerateDataDefinitions(io::Printer* printer);
private:
class GeneratedOptionProvider;
// Generates the tail-call table definition.
void GenerateTailCallTable(io::Printer* printer);
void GenerateFastFieldEntries(Formatter& format);
void GenerateFieldEntries(Formatter& format);
void GenerateFieldNames(Formatter& format);
const Descriptor* descriptor_;
MessageSCCAnalyzer* scc_analyzer_;
const Options& options_;
absl::flat_hash_map<absl::string_view, std::string> variables_;
std::unique_ptr<internal::TailCallTableInfo> tc_table_info_;
std::vector<int> inlined_string_indices_;
const std::vector<const FieldDescriptor*> ordered_fields_;
int num_hasbits_;
int index_in_file_messages_;
};
} // namespace cpp
} // namespace compiler
} // namespace protobuf
} // namespace google
#endif // GOOGLE_PROTOBUF_COMPILER_CPP_PARSE_FUNCTION_GENERATOR_H__
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