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/*
* Copyright (C) 2006-2019 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 JSCallbackConstructor_h
#define JSCallbackConstructor_h
#include "JSObject.h"
#include "JSObjectRef.h"
namespace JSC {
class JSCallbackConstructor final : public JSNonFinalObject {
public:
using Base = JSNonFinalObject;
static constexpr unsigned StructureFlags = Base::StructureFlags | ImplementsHasInstance | ImplementsDefaultHasInstance;
static constexpr bool needsDestruction = true;
template<typename CellType, SubspaceAccess mode>
static IsoSubspace* subspaceFor(VM& vm)
{
return vm.callbackConstructorSpace<mode>();
}
static JSCallbackConstructor* create(JSGlobalObject* globalObject, Structure* structure, JSClassRef classRef, JSObjectCallAsConstructorCallback callback)
{
VM& vm = getVM(globalObject);
JSCallbackConstructor* constructor = new (NotNull, allocateCell<JSCallbackConstructor>(vm.heap)) JSCallbackConstructor(globalObject, structure, classRef, callback);
constructor->finishCreation(globalObject, classRef);
return constructor;
}
~JSCallbackConstructor();
static void destroy(JSCell*);
JSClassRef classRef() const { return m_class; }
JSObjectCallAsConstructorCallback callback() const { return m_callback; }
DECLARE_INFO;
static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue proto)
{
return Structure::create(vm, globalObject, proto, TypeInfo(ObjectType, StructureFlags), info());
}
protected:
JSCallbackConstructor(JSGlobalObject*, Structure*, JSClassRef, JSObjectCallAsConstructorCallback);
void finishCreation(JSGlobalObject*, JSClassRef);
private:
friend struct APICallbackFunction;
static ConstructType getConstructData(JSCell*, ConstructData&);
JSObjectCallAsConstructorCallback constructCallback() { return m_callback; }
JSClassRef m_class;
JSObjectCallAsConstructorCallback m_callback;
};
} // namespace JSC
#endif // JSCallbackConstructor_h