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/*
* Copyright 2017 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_OPCODE_H_
#define WABT_OPCODE_H_
#include "common.h"
namespace wabt {
enum class Opcode {
#define WABT_OPCODE(rtype, type1, type2, mem_size, code, Name, text) \
Name = code,
#include "opcode.def"
#undef WABT_OPCODE
First = Unreachable,
Last = F64ReinterpretI64,
};
static const int kOpcodeCount = WABT_ENUM_COUNT(Opcode);
struct OpcodeInfo {
const char* name;
Type result_type;
Type param1_type;
Type param2_type;
int memory_size;
};
// Return 1 if |alignment| matches the alignment of |opcode|, or if |alignment|
// is WABT_USE_NATURAL_ALIGNMENT.
bool is_naturally_aligned(Opcode opcode, uint32_t alignment);
// If |alignment| is WABT_USE_NATURAL_ALIGNMENT, return the alignment of
// |opcode|, else return |alignment|.
uint32_t get_opcode_alignment(Opcode opcode, uint32_t alignment);
extern OpcodeInfo g_opcode_info[];
inline const char* get_opcode_name(Opcode opcode) {
assert(static_cast<int>(opcode) < kOpcodeCount);
return g_opcode_info[static_cast<size_t>(opcode)].name;
}
inline Type get_opcode_result_type(Opcode opcode) {
assert(static_cast<int>(opcode) < kOpcodeCount);
return g_opcode_info[static_cast<size_t>(opcode)].result_type;
}
inline Type get_opcode_param_type_1(Opcode opcode) {
assert(static_cast<int>(opcode) < kOpcodeCount);
return g_opcode_info[static_cast<size_t>(opcode)].param1_type;
}
inline Type get_opcode_param_type_2(Opcode opcode) {
assert(static_cast<int>(opcode) < kOpcodeCount);
return g_opcode_info[static_cast<size_t>(opcode)].param2_type;
}
inline int get_opcode_memory_size(Opcode opcode) {
assert(static_cast<int>(opcode) < kOpcodeCount);
return g_opcode_info[static_cast<size_t>(opcode)].memory_size;
}
} // namespace
#endif // WABT_OPCODE_H_
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