98 lines
3.7 KiB
C++
98 lines
3.7 KiB
C++
/*
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* Copyright (C) 2003-2019 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef KJS_RUNTIME_OBJECT_H
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#define KJS_RUNTIME_OBJECT_H
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#include "BridgeJSC.h"
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#include <JavaScriptCore/JSGlobalObject.h>
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namespace JSC {
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namespace Bindings {
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Exception* throwRuntimeObjectInvalidAccessError(JSGlobalObject*, ThrowScope&);
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class WEBCORE_EXPORT RuntimeObject : public JSNonFinalObject {
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public:
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using Base = JSNonFinalObject;
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static constexpr unsigned StructureFlags = Base::StructureFlags | OverridesGetOwnPropertySlot | OverridesGetOwnPropertyNames | OverridesGetCallData | OverridesPut | GetOwnPropertySlotMayBeWrongAboutDontEnum;
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static constexpr bool needsDestruction = true;
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template<typename CellType, JSC::SubspaceAccess>
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static IsoSubspace* subspaceFor(JSC::VM& vm)
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{
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static_assert(sizeof(CellType) == sizeof(RuntimeObject), "RuntimeObject subclasses that add fields need to override subspaceFor<>()");
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static_assert(CellType::destroy == RuntimeObject::destroy);
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return subspaceForImpl(vm);
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}
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static RuntimeObject* create(VM& vm, Structure* structure, RefPtr<Instance>&& instance)
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{
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RuntimeObject* object = new (NotNull, allocateCell<RuntimeObject>(vm.heap)) RuntimeObject(vm, structure, WTFMove(instance));
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object->finishCreation(vm);
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return object;
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}
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static void destroy(JSCell*);
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static bool getOwnPropertySlot(JSObject*, JSGlobalObject*, PropertyName, PropertySlot&);
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static bool put(JSCell*, JSGlobalObject*, PropertyName, JSValue, PutPropertySlot&);
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static bool deleteProperty(JSCell*, JSGlobalObject*, PropertyName, DeletePropertySlot&);
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static CallData getCallData(JSCell*);
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static CallData getConstructData(JSCell*);
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static void getOwnPropertyNames(JSObject*, JSGlobalObject*, PropertyNameArray&, DontEnumPropertiesMode);
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void invalidate();
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Instance* getInternalInstance() const { return m_instance.get(); }
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DECLARE_INFO;
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static ObjectPrototype* createPrototype(VM&, JSGlobalObject& globalObject)
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{
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return globalObject.objectPrototype();
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}
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static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
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{
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return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
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}
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protected:
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RuntimeObject(VM&, Structure*, RefPtr<Instance>&&);
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void finishCreation(VM&);
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private:
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static IsoSubspace* subspaceForImpl(VM&);
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RefPtr<Instance> m_instance;
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};
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}
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}
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#endif
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