JavaScriptCore-521.tar.gz

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

diff --git a/runtime/JSStaticScopeObject.h b/runtime/JSStaticScopeObject.h
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+/*
+ * Copyright (C) 2008 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 JSStaticScopeObject_h
+#define JSStaticScopeObject_h
+
+#include "JSVariableObject.h"
+
+namespace JSC{
+    
+    class JSStaticScopeObject : public JSVariableObject {
+    protected:
+        using JSVariableObject::JSVariableObjectData;
+        struct JSStaticScopeObjectData : public JSVariableObjectData {
+            JSStaticScopeObjectData()
+                : JSVariableObjectData(&symbolTable, &registerStore + 1)
+            {
+            }
+            SymbolTable symbolTable;
+            Register registerStore;
+        };
+        
+    public:
+        JSStaticScopeObject(ExecState* exec, const Identifier& ident, JSValuePtr value, unsigned attributes)
+            : JSVariableObject(exec->globalData().staticScopeStructure, new JSStaticScopeObjectData())
+        {
+            d()->registerStore = value;
+            symbolTable().add(ident.ustring().rep(), SymbolTableEntry(-1, attributes));
+        }
+        virtual ~JSStaticScopeObject();
+        virtual void mark();
+        bool isDynamicScope() const;
+        virtual JSObject* toThisObject(ExecState*) const;
+        virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&);
+        virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&, bool& slotIsWriteable);
+        virtual void put(ExecState*, const Identifier&, JSValuePtr, PutPropertySlot&);
+        void putWithAttributes(ExecState*, const Identifier&, JSValuePtr, unsigned attributes);
+
+        static PassRefPtr<Structure> createStructure(JSValuePtr proto) { return Structure::create(proto, TypeInfo(ObjectType, NeedsThisConversion)); }
+
+    private:
+        JSStaticScopeObjectData* d() { return static_cast<JSStaticScopeObjectData*>(JSVariableObject::d); }
+    };
+
+}
+
+#endif // JSStaticScopeObject_h