JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / runtime / NativeErrorConstructor.h

/*
 *  Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
 *  Copyright (C) 2008 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
 *
 */

#ifndef NativeErrorConstructor_h
#define NativeErrorConstructor_h

#include "InternalFunction.h"
#include "NativeErrorPrototype.h"

namespace JSC {

class ErrorInstance;
class FunctionPrototype;
class NativeErrorPrototype;

class NativeErrorConstructor : public InternalFunction {
public:
    typedef InternalFunction Base;

    static NativeErrorConstructor* create(VM& vm, JSGlobalObject* globalObject, Structure* structure, Structure* prototypeStructure, const String& name)
    {
        NativeErrorConstructor* constructor = new (NotNull, allocateCell<NativeErrorConstructor>(vm.heap)) NativeErrorConstructor(vm, structure);
        constructor->finishCreation(vm, globalObject, prototypeStructure, name);
        return constructor;
    }

    DECLARE_INFO;

    static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
    {
        return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
    }

    Structure* errorStructure() { return m_errorStructure.get(); }

protected:
    void finishCreation(VM&, JSGlobalObject*, Structure* prototypeStructure, const String& name);

private:
    NativeErrorConstructor(VM&, Structure*);
    static ConstructType getConstructData(JSCell*, ConstructData&);
    static CallType getCallData(JSCell*, CallData&);
    static void visitChildren(JSCell*, SlotVisitor&);

    WriteBarrier<Structure> m_errorStructure;
};

} // namespace JSC

#endif // NativeErrorConstructor_h