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/*
* Copyright (C) 2003-2022 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.
*/
#ifndef KJS_RUNTIME_OBJECT_H
#define KJS_RUNTIME_OBJECT_H
#include "BridgeJSC.h"
#include <JavaScriptCore/JSGlobalObject.h>
namespace JSC {
namespace Bindings {
Exception* throwRuntimeObjectInvalidAccessError(JSGlobalObject*, ThrowScope&);
class WEBCORE_EXPORT RuntimeObject : public JSNonFinalObject {
public:
using Base = JSNonFinalObject;
static constexpr unsigned StructureFlags = Base::StructureFlags | OverridesGetOwnPropertySlot | OverridesGetOwnPropertyNames | OverridesGetCallData | OverridesPut | GetOwnPropertySlotMayBeWrongAboutDontEnum;
static constexpr JSC::DestructionMode needsDestruction = JSC::NeedsDestruction;
template<typename CellType, JSC::SubspaceAccess>
static GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
{
static_assert(sizeof(CellType) == sizeof(RuntimeObject), "RuntimeObject subclasses that add fields need to override subspaceFor<>()");
static_assert(CellType::destroy == RuntimeObject::destroy);
return subspaceForImpl(vm);
}
static RuntimeObject* create(VM& vm, Structure* structure, RefPtr<Instance>&& instance)
{
RuntimeObject* object = new (NotNull, allocateCell<RuntimeObject>(vm)) RuntimeObject(vm, structure, WTFMove(instance));
object->finishCreation(vm);
return object;
}
static void destroy(JSCell*);
static bool getOwnPropertySlot(JSObject*, JSGlobalObject*, PropertyName, PropertySlot&);
static bool put(JSCell*, JSGlobalObject*, PropertyName, JSValue, PutPropertySlot&);
static bool deleteProperty(JSCell*, JSGlobalObject*, PropertyName, DeletePropertySlot&);
static CallData getCallData(JSCell*);
static CallData getConstructData(JSCell*);
static void getOwnPropertyNames(JSObject*, JSGlobalObject*, PropertyNameArray&, DontEnumPropertiesMode);
void invalidate();
Instance* getInternalInstance() const { return m_instance.get(); }
DECLARE_INFO;
static ObjectPrototype* createPrototype(VM&, JSGlobalObject& globalObject)
{
return globalObject.objectPrototype();
}
static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
}
protected:
RuntimeObject(VM&, Structure*, RefPtr<Instance>&&);
void finishCreation(VM&);
private:
static GCClient::IsoSubspace* subspaceForImpl(VM&);
RefPtr<Instance> m_instance;
};
}
}
#endif
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