1/*
2 * Copyright (C) 2018 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "ArrayProfile.h"
29#include "BytecodeStructs.h"
30#include "Instruction.h"
31#include "InterpreterInlines.h"
32#include "Opcode.h"
33
34namespace JSC {
35
36enum OpcodeShape {
37 AnyOpcodeShape,
38 OpCallShape,
39};
40
41template<OpcodeShape shape, typename = std::enable_if_t<shape != AnyOpcodeShape>>
42inline bool isOpcodeShape(OpcodeID opcodeID)
43{
44 if (shape == OpCallShape) {
45 return opcodeID == op_call
46 || opcodeID == op_tail_call
47 || opcodeID == op_call_eval
48 || opcodeID == op_call_varargs
49 || opcodeID == op_tail_call_varargs
50 || opcodeID == op_tail_call_forward_arguments;
51 }
52
53 RELEASE_ASSERT_NOT_REACHED();
54}
55
56template<OpcodeShape shape, typename = std::enable_if_t<shape != AnyOpcodeShape>>
57inline bool isOpcodeShape(const Instruction* instruction)
58{
59 return isOpcodeShape<shape>(instruction->opcodeID());
60}
61
62template<typename T, typename... Args>
63void getOpcodeType(OpcodeID opcodeID, Args&&... args)
64{
65
66#define CASE(__Op) \
67 case __Op::opcodeID: \
68 T::template withOpcodeType<__Op>(std::forward<Args>(args)...); \
69 break; \
70
71 switch (opcodeID) {
72 FOR_EACH_BYTECODE_STRUCT(CASE)
73 default:
74 ASSERT_NOT_REACHED();
75 }
76
77#undef CASE
78}
79
80} // namespace JSC
81