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 "CodeOrigin.h"
29
30namespace JSC {
31
32struct InlineCallFrame;
33
34struct TerminatedCodeOrigin {
35 TerminatedCodeOrigin() { }
36
37 TerminatedCodeOrigin(const CodeOrigin& codeOrigin, InlineCallFrame* terminal)
38 : codeOrigin(codeOrigin)
39 , terminal(terminal)
40 {
41 }
42
43 CodeOrigin codeOrigin;
44 InlineCallFrame* terminal { nullptr };
45};
46
47struct TerminatedCodeOriginHashTranslator {
48 static unsigned hash(const TerminatedCodeOrigin& value)
49 {
50 return value.codeOrigin.approximateHash(value.terminal);
51 }
52
53 static bool equal(const CodeOrigin& a, const TerminatedCodeOrigin& b)
54 {
55 return b.codeOrigin.isApproximatelyEqualTo(a, b.terminal);
56 }
57};
58
59} // namespace JSC
60
61