JavaScriptCore-1097.3.tar.gz

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

diff --git a/runtime/JSGlobalThis.h b/runtime/JSGlobalThis.h
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+/*
+ * Copyright (C) 2011 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. ``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
+ * 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 JSGlobalThis_h
+#define JSGlobalThis_h
+
+#include "JSObject.h"
+
+namespace JSC {
+
+class JSGlobalThis : public JSNonFinalObject {
+public:
+    typedef JSNonFinalObject Base;
+
+    static JSGlobalThis* create(JSGlobalData& globalData, Structure* structure)
+    {
+        JSGlobalThis* globalThis = new (NotNull, allocateCell<JSGlobalThis>(globalData.heap)) JSGlobalThis(globalData, structure);
+        globalThis->finishCreation(globalData);
+        return globalThis;
+    }
+
+    static Structure* createStructure(JSGlobalData& globalData, JSValue prototype) 
+    {
+        return Structure::create(globalData, 0, prototype, TypeInfo(GlobalThisType, StructureFlags), &s_info); 
+    }
+
+    static JS_EXPORTDATA const JSC::ClassInfo s_info;
+
+    JSGlobalObject* unwrappedObject() const { return m_unwrappedObject.get(); }
+
+protected:
+    JSGlobalThis(JSGlobalData& globalData, Structure* structure)
+        : JSNonFinalObject(globalData, structure)
+    {
+    }
+
+    void finishCreation(JSGlobalData& globalData)
+    {
+        Base::finishCreation(globalData);
+    }
+
+    static const unsigned StructureFlags = OverridesVisitChildren | Base::StructureFlags;
+
+    JS_EXPORT_PRIVATE static void visitChildren(JSCell*, SlotVisitor&);
+
+    JS_EXPORT_PRIVATE void setUnwrappedObject(JSGlobalData&, JSGlobalObject*);
+    
+private:
+    WriteBarrier<JSGlobalObject> m_unwrappedObject;
+};
+
+} // namespace JSC
+
+#endif // JSGlobalThis_h