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: createStructure(JSGlobalData & globalData,JSValue proto)37 static Structure* createStructure(JSGlobalData& globalData, JSValue proto) 38 { 39 return Structure::create(globalData, proto, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount, &s_info); 40 } 41 globalObject()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 JSObjectWithGlobalObject(VPtrStealingHackType)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