| /* |
| * Copyright (C) 2017-2020 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. ``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. |
| */ |
| |
| #pragma once |
| |
| #if ENABLE(JIT) |
| |
| #include "MacroAssemblerCodeRef.h" |
| #include "ProxyableAccessCase.h" |
| |
| namespace JSC { |
| |
| class GetterSetterAccessCase final : public ProxyableAccessCase { |
| public: |
| typedef ProxyableAccessCase Base; |
| friend class AccessCase; |
| |
| // This can return null if it hasn't been generated yet. That's |
| // actually somewhat likely because of how we do buffering of new cases. |
| // CallLinkInfo's ownership is held both by generated code via GCAwareJITStubRoutine and PolymorphicAccess. |
| // The ownership relation is PolymorphicAccess -> GCAwareJITStubRoutine -> CallLinkInfo. |
| // PolymorphicAccess can be destroyed while GCAwareJITStubRoutine is alive if we are destroying PolymorphicAccess |
| // while we are executing GCAwareJITStubRoutine. It is not possible that GetterSetterAccessCase is alive while |
| // GCAwareJITStubRoutine is destroyed. |
| OptimizingCallLinkInfo* callLinkInfo() const { return m_callLinkInfo; } |
| JSObject* customSlotBase() const { return m_customSlotBase.get(); } |
| std::optional<DOMAttributeAnnotation> domAttribute() const { return m_domAttribute; } |
| |
| bool hasAlternateBase() const final; |
| JSObject* alternateBase() const final; |
| |
| void emitDOMJITGetter(AccessGenerationState&, const DOMJIT::GetterSetter*, GPRReg baseForGetGPR); |
| |
| static Ref<AccessCase> create( |
| VM&, JSCell* owner, AccessType, CacheableIdentifier, PropertyOffset, Structure*, |
| const ObjectPropertyConditionSet&, bool viaProxy, WatchpointSet* additionalSet, FunctionPtr<CustomAccessorPtrTag> customGetter, |
| JSObject* customSlotBase, std::optional<DOMAttributeAnnotation>, RefPtr<PolyProtoAccessChain>&&); |
| |
| static Ref<AccessCase> create(VM&, JSCell* owner, AccessType, Structure*, CacheableIdentifier, PropertyOffset, |
| const ObjectPropertyConditionSet&, RefPtr<PolyProtoAccessChain>&&, bool viaProxy = false, |
| FunctionPtr<CustomAccessorPtrTag> customSetter = nullptr, JSObject* customSlotBase = nullptr); |
| |
| void dumpImpl(PrintStream&, CommaPrinter&, Indenter&) const final; |
| Ref<AccessCase> clone() const final; |
| |
| ~GetterSetterAccessCase() final; |
| |
| FunctionPtr<CustomAccessorPtrTag> customAccessor() const { return m_customAccessor; } |
| |
| private: |
| GetterSetterAccessCase(VM&, JSCell*, AccessType, CacheableIdentifier, PropertyOffset, Structure*, const ObjectPropertyConditionSet&, bool viaProxy, WatchpointSet* additionalSet, JSObject* customSlotBase, RefPtr<PolyProtoAccessChain>&&); |
| |
| GetterSetterAccessCase(const GetterSetterAccessCase&); |
| |
| WriteBarrier<JSObject> m_customSlotBase; |
| OptimizingCallLinkInfo* m_callLinkInfo { nullptr }; |
| FunctionPtr<CustomAccessorPtrTag> m_customAccessor; |
| std::optional<DOMAttributeAnnotation> m_domAttribute; |
| }; |
| |
| } // namespace JSC |
| |
| #endif // ENABLE(JIT) |