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/*
* Copyright (C) 2017-2022 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. ``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
* 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 "GetterSetterAccessCase.h"
#if ENABLE(JIT)
#include "JSCJSValueInlines.h"
namespace JSC {
namespace GetterSetterAccessCaseInternal {
static constexpr bool verbose = false;
}
GetterSetterAccessCase::GetterSetterAccessCase(VM& vm, JSCell* owner, AccessType accessType, CacheableIdentifier identifier, PropertyOffset offset, Structure* structure, const ObjectPropertyConditionSet& conditionSet, bool viaGlobalProxy, WatchpointSet* additionalSet, JSObject* customSlotBase, RefPtr<PolyProtoAccessChain>&& prototypeAccessChain)
: Base(vm, owner, accessType, identifier, offset, structure, conditionSet, viaGlobalProxy, additionalSet, WTFMove(prototypeAccessChain))
{
m_customSlotBase.setMayBeNull(vm, owner, customSlotBase);
}
Ref<AccessCase> GetterSetterAccessCase::create(
VM& vm, JSCell* owner, AccessType type, CacheableIdentifier identifier, PropertyOffset offset, Structure* structure, const ObjectPropertyConditionSet& conditionSet,
bool viaGlobalProxy, WatchpointSet* additionalSet, CodePtr<CustomAccessorPtrTag> customGetter, JSObject* customSlotBase,
std::optional<DOMAttributeAnnotation> domAttribute, RefPtr<PolyProtoAccessChain>&& prototypeAccessChain)
{
ASSERT(type == Getter || type == CustomValueGetter || type == CustomAccessorGetter);
auto result = adoptRef(*new GetterSetterAccessCase(vm, owner, type, identifier, offset, structure, conditionSet, viaGlobalProxy, additionalSet, customSlotBase, WTFMove(prototypeAccessChain)));
result->m_domAttribute = domAttribute;
if (customGetter)
result->m_customAccessor = customGetter;
return result;
}
Ref<AccessCase> GetterSetterAccessCase::create(VM& vm, JSCell* owner, AccessType type, Structure* structure, CacheableIdentifier identifier, PropertyOffset offset,
const ObjectPropertyConditionSet& conditionSet, RefPtr<PolyProtoAccessChain>&& prototypeAccessChain, bool viaGlobalProxy,
CodePtr<CustomAccessorPtrTag> customSetter, JSObject* customSlotBase)
{
ASSERT(type == Setter || type == CustomValueSetter || type == CustomAccessorSetter);
auto result = adoptRef(*new GetterSetterAccessCase(vm, owner, type, identifier, offset, structure, conditionSet, viaGlobalProxy, nullptr, customSlotBase, WTFMove(prototypeAccessChain)));
if (customSetter)
result->m_customAccessor = customSetter;
return result;
}
GetterSetterAccessCase::GetterSetterAccessCase(const GetterSetterAccessCase& other)
: Base(other)
, m_customSlotBase(other.m_customSlotBase)
{
m_customAccessor = other.m_customAccessor;
m_domAttribute = other.m_domAttribute;
}
Ref<AccessCase> GetterSetterAccessCase::cloneImpl() const
{
auto result = adoptRef(*new GetterSetterAccessCase(*this));
result->resetState();
return result;
}
bool GetterSetterAccessCase::hasAlternateBaseImpl() const
{
if (customSlotBase())
return true;
return Base::hasAlternateBaseImpl();
}
JSObject* GetterSetterAccessCase::alternateBaseImpl() const
{
if (customSlotBase())
return customSlotBase();
return Base::alternateBaseImpl();
}
void GetterSetterAccessCase::dumpImpl(PrintStream& out, CommaPrinter& comma, Indenter& indent) const
{
Base::dumpImpl(out, comma, indent);
out.print(comma, "customSlotBase = ", RawPointer(customSlotBase()));
if (callLinkInfo())
out.print(comma, "callLinkInfo = ", RawPointer(callLinkInfo()));
out.print(comma, "customAccessor = ", RawPointer(m_customAccessor.taggedPtr()));
}
} // namespace JSC
#endif // ENABLE(JIT)
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