1/*
2 * Copyright (C) 2013 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. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "JSImmutableButterfly.h"
29#include "JSPropertyNameEnumerator.h"
30#include "JSString.h"
31#include "StructureRareData.h"
32
33namespace JSC {
34
35inline void StructureRareData::setPreviousID(VM& vm, Structure* structure)
36{
37 m_previous.set(vm, this, structure);
38}
39
40inline void StructureRareData::clearPreviousID()
41{
42 m_previous.clear();
43}
44
45inline JSString* StructureRareData::objectToStringValue() const
46{
47 return m_objectToStringValue.get();
48}
49
50inline JSPropertyNameEnumerator* StructureRareData::cachedPropertyNameEnumerator() const
51{
52 return m_cachedPropertyNameEnumerator.get();
53}
54
55inline void StructureRareData::setCachedPropertyNameEnumerator(VM& vm, JSPropertyNameEnumerator* enumerator)
56{
57 m_cachedPropertyNameEnumerator.set(vm, this, enumerator);
58}
59
60inline JSImmutableButterfly* StructureRareData::cachedOwnKeys() const
61{
62 ASSERT(!isCompilationThread());
63 auto* butterfly = m_cachedOwnKeys.unvalidatedGet();
64 if (butterfly == cachedOwnKeysSentinel())
65 return nullptr;
66 return butterfly;
67}
68
69inline JSImmutableButterfly* StructureRareData::cachedOwnKeysIgnoringSentinel() const
70{
71 ASSERT(!isCompilationThread());
72 return m_cachedOwnKeys.unvalidatedGet();
73}
74
75inline JSImmutableButterfly* StructureRareData::cachedOwnKeysConcurrently() const
76{
77 auto* butterfly = m_cachedOwnKeys.unvalidatedGet();
78 if (butterfly == cachedOwnKeysSentinel())
79 return nullptr;
80 return butterfly;
81}
82
83inline void StructureRareData::setCachedOwnKeys(VM& vm, JSImmutableButterfly* butterfly)
84{
85 if (butterfly == cachedOwnKeysSentinel()) {
86 m_cachedOwnKeys.setWithoutWriteBarrier(butterfly);
87 return;
88 }
89
90 WTF::storeStoreFence();
91 m_cachedOwnKeys.set(vm, this, butterfly);
92}
93
94} // namespace JSC
95