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 "JSObject.h"

    30 

    31 namespace JSC {

    32 

    33 class JSGlobalObject;

    34 

    35 class JSObjectWithGlobalObject : public JSObject {

    36 public:

    37     static PassRefPtr<Structure> createStructure(JSValue proto)

    38     {

    39         return Structure::create(proto, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount);

    40     }

    41 

    42     JSGlobalObject* globalObject() const;

    43 

    44 protected:

    45     JSObjectWithGlobalObject(JSGlobalObject*, NonNullPassRefPtr<Structure>);

    46 

    47     JSObjectWithGlobalObject(NonNullPassRefPtr<Structure> structure)

    48         : JSObject(structure)

    49     {

    50         // Should only be used by JSFunction when we aquire the JSFunction vptr.

    51     }

    52     static const unsigned AnonymousSlotCount = JSObject::AnonymousSlotCount + 1;

    53     static const unsigned GlobalObjectSlot = 0;

    54 };

    55 

    56 } // namespace JSC

    57 

    58 #endif // JSObjectWithGlobalObject_h