File: JSDOMConstructorNotConstructable.h

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/*
 *  Copyright (C) 2015, 2016 Canon Inc. All rights reserved.
 *  Copyright (C) 2016-2021 Apple Inc. All rights reserved.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#pragma once

#include "JSDOMConstructorBase.h"

namespace WebCore {

template<typename JSClass> class JSDOMConstructorNotConstructable final : public JSDOMConstructorBase {
public:
    using Base = JSDOMConstructorBase;

    static JSDOMConstructorNotConstructable* create(JSC::VM&, JSC::Structure*, JSDOMGlobalObject&);
    static JSC::Structure* createStructure(JSC::VM&, JSC::JSGlobalObject&, JSC::JSValue prototype);

    DECLARE_INFO;

    // Must be defined for each specialization class.
    static JSC::JSValue prototypeForStructure(JSC::VM&, const JSDOMGlobalObject&);

private:
    JSDOMConstructorNotConstructable(JSC::VM& vm, JSC::Structure* structure)
        : Base(vm, structure, nullptr)
    {
    }

    void finishCreation(JSC::VM&, JSDOMGlobalObject&);

    // Usually defined for each specialization class.
    void initializeProperties(JSC::VM&, JSDOMGlobalObject&) { }
};

template<typename JSClass> inline JSDOMConstructorNotConstructable<JSClass>* JSDOMConstructorNotConstructable<JSClass>::create(JSC::VM& vm, JSC::Structure* structure, JSDOMGlobalObject& globalObject)
{
    JSDOMConstructorNotConstructable* constructor = new (NotNull, JSC::allocateCell<JSDOMConstructorNotConstructable>(vm)) JSDOMConstructorNotConstructable(vm, structure);
    constructor->finishCreation(vm, globalObject);
    return constructor;
}

template<typename JSClass> inline JSC::Structure* JSDOMConstructorNotConstructable<JSClass>::createStructure(JSC::VM& vm, JSC::JSGlobalObject& globalObject, JSC::JSValue prototype)
{
    auto* structure = JSC::Structure::create(vm, &globalObject, prototype, JSC::TypeInfo(JSC::InternalFunctionType, StructureFlags), info());
    structure->setMayBePrototype(true);
    return structure;
}

template<typename JSClass> inline void JSDOMConstructorNotConstructable<JSClass>::finishCreation(JSC::VM& vm, JSDOMGlobalObject& globalObject)
{
    Base::finishCreation(vm);
    ASSERT(inherits(info()));
    initializeProperties(vm, globalObject);
}

} // namespace WebCore