JavaScriptCore-1218.tar.gz

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

diff --git a/runtime/JSProxy.h b/runtime/JSProxy.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 JSProxy_h
+#define JSProxy_h
+
+#include "JSDestructibleObject.h"
+
+namespace JSC {
+
+class JSProxy : public JSDestructibleObject {
+public:
+    typedef JSDestructibleObject Base;
+
+    static JSProxy* create(VM& vm, Structure* structure, JSObject* target)
+    {
+        JSProxy* proxy = new (NotNull, allocateCell<JSProxy>(vm.heap)) JSProxy(vm, structure);
+        proxy->finishCreation(vm, target);
+        return proxy;
+    }
+
+    static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
+    {
+        return Structure::create(vm, globalObject, prototype, TypeInfo(ProxyType, StructureFlags), &s_info);
+    }
+
+    static JS_EXPORTDATA const ClassInfo s_info;
+
+    JSObject* target() const { return m_target.get(); }
+
+protected:
+    JSProxy(VM& vm, Structure* structure)
+        : JSDestructibleObject(vm, structure)
+    {
+    }
+
+    void finishCreation(VM& vm)
+    {
+        Base::finishCreation(vm);
+    }
+
+    void finishCreation(VM& vm, JSObject* target)
+    {
+        Base::finishCreation(vm);
+        m_target.set(vm, this, target);
+    }
+
+    static const unsigned StructureFlags = OverridesVisitChildren | OverridesGetOwnPropertySlot | OverridesGetPropertyNames | InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | Base::StructureFlags;
+
+    JS_EXPORT_PRIVATE static void visitChildren(JSCell*, SlotVisitor&);
+
+    JS_EXPORT_PRIVATE void setTarget(VM&, JSGlobalObject*);
+
+    JS_EXPORT_PRIVATE static String className(const JSObject*);
+    JS_EXPORT_PRIVATE static bool getOwnPropertySlot(JSCell*, ExecState*, PropertyName, PropertySlot&);
+    JS_EXPORT_PRIVATE static bool getOwnPropertySlotByIndex(JSCell*, ExecState*, unsigned, PropertySlot&);
+    JS_EXPORT_PRIVATE static bool getOwnPropertyDescriptor(JSObject*, ExecState*, PropertyName, PropertyDescriptor&);
+    JS_EXPORT_PRIVATE static void put(JSCell*, ExecState*, PropertyName, JSValue, PutPropertySlot&);
+    JS_EXPORT_PRIVATE static void putByIndex(JSCell*, ExecState*, unsigned, JSValue, bool shouldThrow);
+    JS_EXPORT_PRIVATE static void putDirectVirtual(JSObject*, ExecState*, PropertyName, JSValue, unsigned attributes);
+    JS_EXPORT_PRIVATE static bool deleteProperty(JSCell*, ExecState*, PropertyName);
+    JS_EXPORT_PRIVATE static bool deletePropertyByIndex(JSCell*, ExecState*, unsigned);
+    JS_EXPORT_PRIVATE static void getOwnPropertyNames(JSObject*, ExecState*, PropertyNameArray&, EnumerationMode);
+    JS_EXPORT_PRIVATE static void getPropertyNames(JSObject*, ExecState*, PropertyNameArray&, EnumerationMode);
+    JS_EXPORT_PRIVATE static bool defineOwnProperty(JSObject*, ExecState*, PropertyName, PropertyDescriptor&, bool shouldThrow);
+
+private:
+    WriteBarrier<JSObject> m_target;
+};
+
+} // namespace JSC
+
+#endif // JSProxy_h