Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 85 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/runtime/GetterSetter.h b/Source/JavaScriptCore/runtime/GetterSetter.h
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+++ b/Source/JavaScriptCore/runtime/GetterSetter.h
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+/*
+ *  Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
+ *  Copyright (C) 2001 Peter Kelly (pmk@post.com)
+ *  Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef GetterSetter_h
+#define GetterSetter_h
+
+#include "JSCell.h"
+
+#include "CallFrame.h"
+#include "Structure.h"
+
+namespace JSC {
+
+    class JSObject;
+
+    // This is an internal value object which stores getter and setter functions
+    // for a property.
+    class GetterSetter : public JSCell {
+        friend class JIT;
+
+    private:        
+        GetterSetter(ExecState* exec)
+            : JSCell(exec->globalData(), exec->globalData().getterSetterStructure.get())
+        {
+        }
+
+    public:
+        typedef JSCell Base;
+
+        static GetterSetter* create(ExecState* exec)
+        {
+            GetterSetter* getterSetter = new (NotNull, allocateCell<GetterSetter>(*exec->heap())) GetterSetter(exec);
+            getterSetter->finishCreation(exec->globalData());
+            return getterSetter;
+        }
+
+        static void visitChildren(JSCell*, SlotVisitor&);
+
+        JSObject* getter() const { return m_getter.get(); }
+        void setGetter(JSGlobalData& globalData, JSObject* getter) { m_getter.set(globalData, this, getter); }
+        JSObject* setter() const { return m_setter.get(); }
+        void setSetter(JSGlobalData& globalData, JSObject* setter) { m_setter.set(globalData, this, setter); }
+        static Structure* createStructure(JSGlobalData& globalData, JSGlobalObject* globalObject, JSValue prototype)
+        {
+            return Structure::create(globalData, globalObject, prototype, TypeInfo(GetterSetterType, OverridesVisitChildren), &s_info);
+        }
+        
+        static const ClassInfo s_info;
+
+    private:
+        WriteBarrier<JSObject> m_getter;
+        WriteBarrier<JSObject> m_setter;  
+    };
+
+    GetterSetter* asGetterSetter(JSValue);
+
+    inline GetterSetter* asGetterSetter(JSValue value)
+    {
+        ASSERT(value.asCell()->isGetterSetter());
+        return static_cast<GetterSetter*>(value.asCell());
+    }
+
+
+} // namespace JSC
+
+#endif // GetterSetter_h