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

/*
 * Copyright (C) 2010 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. AND ITS CONTRIBUTORS ``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 ITS 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 JSObjectWithGlobalObject_h
#define JSObjectWithGlobalObject_h

#include "JSGlobalObject.h"

namespace JSC {

class JSGlobalObject;

class JSObjectWithGlobalObject : public JSNonFinalObject {
public:
    static Structure* createStructure(JSGlobalData& globalData, JSValue proto)
    {
        return Structure::create(globalData, proto, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount, &s_info);
    }

    JSGlobalObject* globalObject() const
    {
        return asGlobalObject((getAnonymousValue(GlobalObjectSlot).asCell()));
    }

protected:
    JSObjectWithGlobalObject(JSGlobalObject*, Structure*);
    JSObjectWithGlobalObject(JSGlobalData&, JSGlobalObject*, Structure*);

    JSObjectWithGlobalObject(VPtrStealingHackType)
        : JSNonFinalObject(VPtrStealingHack)
    {
        // Should only be used by JSFunction when we aquire the JSFunction vptr.
    }
    static const unsigned AnonymousSlotCount = JSObject::AnonymousSlotCount + 1;
    static const unsigned GlobalObjectSlot = 0;
};

} // namespace JSC

#endif // JSObjectWithGlobalObject_h
Commit	Line	Data
14957cd0 A	1	/*
	2	* Copyright (C) 2010 Apple Inc. All rights reserved.
	3	*
	4	* Redistribution and use in source and binary forms, with or without
	5	* modification, are permitted provided that the following conditions
	6	* are met:
	7	* 1. Redistributions of source code must retain the above copyright
	8	* notice, this list of conditions and the following disclaimer.
	9	* 2. Redistributions in binary form must reproduce the above copyright
	10	* notice, this list of conditions and the following disclaimer in the
	11	* documentation and/or other materials provided with the distribution.
	12	*
	13	* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
	14	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
	15	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	16	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
	17	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	18	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	19	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	20	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	21	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	22	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	23	* THE POSSIBILITY OF SUCH DAMAGE.
	24	*/
	25
	26	#ifndef JSObjectWithGlobalObject_h
	27	#define JSObjectWithGlobalObject_h
	28
	29	#include "JSGlobalObject.h"
	30
	31	namespace JSC {
	32
	33	class JSGlobalObject;
	34
	35	class JSObjectWithGlobalObject : public JSNonFinalObject {
	36	public:
	37	static Structure* createStructure(JSGlobalData& globalData, JSValue proto)
	38	{
	39	return Structure::create(globalData, proto, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount, &s_info);
	40	}
	41
	42	JSGlobalObject* globalObject() const
	43	{
	44	return asGlobalObject((getAnonymousValue(GlobalObjectSlot).asCell()));
	45	}
	46
	47	protected:
	48	JSObjectWithGlobalObject(JSGlobalObject, Structure);
	49	JSObjectWithGlobalObject(JSGlobalData&, JSGlobalObject, Structure);
	50
	51	JSObjectWithGlobalObject(VPtrStealingHackType)
	52	: JSNonFinalObject(VPtrStealingHack)
	53	{
	54	// Should only be used by JSFunction when we aquire the JSFunction vptr.
	55	}
	56	static const unsigned AnonymousSlotCount = JSObject::AnonymousSlotCount + 1;
	57	static const unsigned GlobalObjectSlot = 0;
	58	};
	59
	60	} // namespace JSC
	61
	62	#endif // JSObjectWithGlobalObject_h