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/*
* Copyright 2016 WebAssembly Community Group participants
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef WABT_BINARY_READER_OPCNT_H_
#define WABT_BINARY_READER_OPCNT_H_
#include <map>
#include <vector>
#include "wabt/common.h"
#include "wabt/opcode.h"
namespace wabt {
struct Module;
struct ReadBinaryOptions;
class Stream;
class OpcodeInfo {
public:
enum class Kind {
Bare,
Uint32,
Uint64,
Index,
Float32,
Float64,
Uint32Uint32,
Uint32Uint32Uint32,
Uint32Uint32Uint32Uint32,
BlockSig,
BrTable,
V128,
};
explicit OpcodeInfo(Opcode, Kind);
template <typename T>
OpcodeInfo(Opcode, Kind, T* data, size_t count = 1);
template <typename T>
OpcodeInfo(Opcode, Kind, T* data, size_t count, T extra);
Opcode opcode() const { return opcode_; }
void Write(Stream&);
private:
template <typename T>
std::pair<const T*, size_t> GetDataArray() const;
template <typename T>
const T* GetData(size_t expected_size = 1) const;
template <typename T, typename F>
void WriteArray(Stream& stream, F&& write_func);
Opcode opcode_;
Kind kind_;
std::vector<uint8_t> data_;
friend bool operator==(const OpcodeInfo&, const OpcodeInfo&);
friend bool operator!=(const OpcodeInfo&, const OpcodeInfo&);
friend bool operator<(const OpcodeInfo&, const OpcodeInfo&);
friend bool operator<=(const OpcodeInfo&, const OpcodeInfo&);
friend bool operator>(const OpcodeInfo&, const OpcodeInfo&);
friend bool operator>=(const OpcodeInfo&, const OpcodeInfo&);
};
bool operator==(const OpcodeInfo&, const OpcodeInfo&);
bool operator!=(const OpcodeInfo&, const OpcodeInfo&);
bool operator<(const OpcodeInfo&, const OpcodeInfo&);
bool operator<=(const OpcodeInfo&, const OpcodeInfo&);
bool operator>(const OpcodeInfo&, const OpcodeInfo&);
bool operator>=(const OpcodeInfo&, const OpcodeInfo&);
using OpcodeInfoCounts = std::map<OpcodeInfo, size_t>;
Result ReadBinaryOpcnt(const void* data,
size_t size,
const ReadBinaryOptions& options,
OpcodeInfoCounts* opcode_counts);
} // namespace wabt
#endif /* WABT_BINARY_READER_OPCNT_H_ */
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