/*

 * Copyright (C) 2008, 2009 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 JSStaticScopeObject_h

#define JSStaticScopeObject_h

#include "JSVariableObject.h"

namespace JSC{

    class JSStaticScopeObject : public JSVariableObject {

    protected:

        using JSVariableObject::JSVariableObjectData;

        struct JSStaticScopeObjectData : public JSVariableObjectData {

            JSStaticScopeObjectData()

                : JSVariableObjectData(&symbolTable, &registerStore + 1)

            {

            }

            SymbolTable symbolTable;

            Register registerStore;

        };

    public:

        JSStaticScopeObject(ExecState* exec, const Identifier& ident, JSValue value, unsigned attributes)

            : JSVariableObject(exec->globalData().staticScopeStructure, new JSStaticScopeObjectData())

        {

            d()->registerStore = value;

            symbolTable().add(ident.ustring().rep(), SymbolTableEntry(-1, attributes));

        }

        virtual ~JSStaticScopeObject();

        virtual void markChildren(MarkStack&);

        bool isDynamicScope(bool& requiresDynamicChecks) const;

        virtual JSObject* toThisObject(ExecState*) const;

        virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&);

        virtual void put(ExecState*, const Identifier&, JSValue, PutPropertySlot&);

        void putWithAttributes(ExecState*, const Identifier&, JSValue, unsigned attributes);

        static PassRefPtr<Structure> createStructure(JSValue proto) { return Structure::create(proto, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount); }

    protected:

        static const unsigned StructureFlags = OverridesGetOwnPropertySlot | NeedsThisConversion | OverridesMarkChildren | OverridesGetPropertyNames | JSVariableObject::StructureFlags;

    private:

        JSStaticScopeObjectData* d() { return static_cast<JSStaticScopeObjectData*>(JSVariableObject::d); }

    };

}

#endif // JSStaticScopeObject_h