JavaScriptCore-903.tar.gz

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

diff --git a/runtime/JSObjectWithGlobalObject.h b/runtime/JSObjectWithGlobalObject.h
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+/*
+ * 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