Home | History | Annotate | Download | only in runtime 
      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
     63