mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2025-04-13 04:10:20 +00:00
76 lines
3.0 KiB
C++
76 lines
3.0 KiB
C++
/*
|
|
* Copyright (C) 2019-2020 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.
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "CachedSpecialPropertyAdaptiveStructureWatchpoint.h"
|
|
|
|
#include "JSCellInlines.h"
|
|
#include "StructureRareData.h"
|
|
|
|
namespace JSC {
|
|
|
|
CachedSpecialPropertyAdaptiveStructureWatchpoint::CachedSpecialPropertyAdaptiveStructureWatchpoint(const ObjectPropertyCondition& key, StructureRareData* structureRareData)
|
|
: Watchpoint(Watchpoint::Type::CachedSpecialPropertyAdaptiveStructure)
|
|
, m_structureRareData(structureRareData)
|
|
, m_key(key)
|
|
{
|
|
RELEASE_ASSERT(key.watchingRequiresStructureTransitionWatchpoint());
|
|
RELEASE_ASSERT(!key.watchingRequiresReplacementWatchpoint());
|
|
}
|
|
|
|
void CachedSpecialPropertyAdaptiveStructureWatchpoint::install(VM& vm)
|
|
{
|
|
RELEASE_ASSERT(m_key.isWatchable());
|
|
|
|
m_key.object()->structure(vm)->addTransitionWatchpoint(this);
|
|
}
|
|
|
|
void CachedSpecialPropertyAdaptiveStructureWatchpoint::fireInternal(VM& vm, const FireDetail&)
|
|
{
|
|
if (!m_structureRareData->isLive())
|
|
return;
|
|
|
|
if (m_key.isWatchable(PropertyCondition::EnsureWatchability)) {
|
|
install(vm);
|
|
return;
|
|
}
|
|
|
|
CachedSpecialPropertyKey key = CachedSpecialPropertyKey::ToStringTag;
|
|
if (m_key.uid() == vm.propertyNames->toStringTagSymbol.impl())
|
|
key = CachedSpecialPropertyKey::ToStringTag;
|
|
else if (m_key.uid() == vm.propertyNames->toString.impl())
|
|
key = CachedSpecialPropertyKey::ToString;
|
|
else if (m_key.uid() == vm.propertyNames->valueOf.impl())
|
|
key = CachedSpecialPropertyKey::ValueOf;
|
|
else {
|
|
ASSERT(m_key.uid() == vm.propertyNames->toPrimitiveSymbol.impl());
|
|
key = CachedSpecialPropertyKey::ToPrimitive;
|
|
}
|
|
|
|
m_structureRareData->clearCachedSpecialProperty(key);
|
|
}
|
|
|
|
} // namespace JSC
|