blob: 94c49a8e61024eb741c1fad803a230b77fe23116 [file] [log] [blame]
/*
* Copyright (C) 2013 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "JSImmutableButterfly.h"
#include "JSPropertyNameEnumerator.h"
#include "JSString.h"
#include "StructureRareData.h"
namespace JSC {
inline void StructureRareData::setCachedPrototypeChain(VM& vm, StructureChain* chain)
{
m_cachedPrototypeChain.setMayBeNull(vm, this, chain);
}
inline JSString* StructureRareData::objectToStringValue() const
{
auto* value = m_objectToStringValue.unvalidatedGet();
if (value == objectToStringCacheGiveUpMarker())
return nullptr;
if (value)
validateCell(value);
return value;
}
inline JSPropertyNameEnumerator* StructureRareData::cachedPropertyNameEnumerator() const
{
return m_cachedPropertyNameEnumerator.get();
}
inline void StructureRareData::setCachedPropertyNameEnumerator(VM& vm, JSPropertyNameEnumerator* enumerator)
{
m_cachedPropertyNameEnumerator.set(vm, this, enumerator);
}
inline JSImmutableButterfly* StructureRareData::cachedOwnKeys() const
{
ASSERT(!isCompilationThread());
auto* butterfly = m_cachedOwnKeys.unvalidatedGet();
if (butterfly == cachedOwnKeysSentinel())
return nullptr;
return butterfly;
}
inline JSImmutableButterfly* StructureRareData::cachedOwnKeysIgnoringSentinel() const
{
ASSERT(!isCompilationThread());
return m_cachedOwnKeys.unvalidatedGet();
}
inline JSImmutableButterfly* StructureRareData::cachedOwnKeysConcurrently() const
{
auto* butterfly = m_cachedOwnKeys.unvalidatedGet();
if (butterfly == cachedOwnKeysSentinel())
return nullptr;
return butterfly;
}
inline void StructureRareData::setCachedOwnKeys(VM& vm, JSImmutableButterfly* butterfly)
{
if (butterfly == cachedOwnKeysSentinel()) {
m_cachedOwnKeys.setWithoutWriteBarrier(butterfly);
return;
}
WTF::storeStoreFence();
m_cachedOwnKeys.set(vm, this, butterfly);
}
} // namespace JSC