JavaScriptCore-7601.1.46.3.tar.gz

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

diff --git a/runtime/JSPropertyNameIterator.h b/runtime/JSPropertyNameIterator.h
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--- a/runtime/JSPropertyNameIterator.h
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-/*
- * Copyright (C) 2008, 2009 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.
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE 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 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 JSPropertyNameIterator_h
-#define JSPropertyNameIterator_h
-
-#include "JSObject.h"
-#include "JSString.h"
-#include "Operations.h"
-#include "PropertyNameArray.h"
-
-namespace JSC {
-
-    class Identifier;
-    class JSObject;
-    class LLIntOffsetsExtractor;
-
-    class JSPropertyNameIterator : public JSCell {
-        friend class JIT;
-
-    public:
-        typedef JSCell Base;
-
-        static JSPropertyNameIterator* create(ExecState*, JSObject*);
-        static JSPropertyNameIterator* create(ExecState* exec, PropertyNameArrayData* propertyNameArrayData, size_t numCacheableSlot)
-        {
-            JSPropertyNameIterator* iterator = new (NotNull, allocateCell<JSPropertyNameIterator>(*exec->heap())) JSPropertyNameIterator(exec, propertyNameArrayData, numCacheableSlot);
-            iterator->finishCreation(exec, propertyNameArrayData);
-            return iterator;
-        }
-
-        static void destroy(JSCell*);
-       
-        static Structure* createStructure(JSGlobalData& globalData, JSGlobalObject* globalObject, JSValue prototype)
-        {
-            return Structure::create(globalData, globalObject, prototype, TypeInfo(CompoundType, OverridesVisitChildren), &s_info);
-        }
-
-        static void visitChildren(JSCell*, SlotVisitor&);
-
-        bool getOffset(size_t i, int& offset)
-        {
-            if (i >= m_numCacheableSlots)
-                return false;
-            offset = i;
-            return true;
-        }
-
-        JSValue get(ExecState*, JSObject*, size_t i);
-        size_t size() { return m_jsStringsSize; }
-
-        void setCachedStructure(JSGlobalData& globalData, Structure* structure)
-        {
-            ASSERT(!m_cachedStructure);
-            ASSERT(structure);
-            m_cachedStructure.set(globalData, this, structure);
-        }
-        Structure* cachedStructure() { return m_cachedStructure.get(); }
-
-        void setCachedPrototypeChain(JSGlobalData& globalData, StructureChain* cachedPrototypeChain) { m_cachedPrototypeChain.set(globalData, this, cachedPrototypeChain); }
-        StructureChain* cachedPrototypeChain() { return m_cachedPrototypeChain.get(); }
-        
-        static const ClassInfo s_info;
-
-    protected:
-        void finishCreation(ExecState* exec, PropertyNameArrayData* propertyNameArrayData)
-        {
-            Base::finishCreation(exec->globalData());
-            PropertyNameArrayData::PropertyNameVector& propertyNameVector = propertyNameArrayData->propertyNameVector();
-            for (size_t i = 0; i < m_jsStringsSize; ++i)
-                m_jsStrings[i].set(exec->globalData(), this, jsOwnedString(exec, propertyNameVector[i].ustring()));
-        }
-
-    private:
-        friend class LLIntOffsetsExtractor;
-        
-        JSPropertyNameIterator(ExecState*, PropertyNameArrayData* propertyNameArrayData, size_t numCacheableSlot);
-
-        WriteBarrier<Structure> m_cachedStructure;
-        WriteBarrier<StructureChain> m_cachedPrototypeChain;
-        uint32_t m_numCacheableSlots;
-        uint32_t m_jsStringsSize;
-        OwnArrayPtr<WriteBarrier<Unknown> > m_jsStrings;
-    };
-
-    inline void Structure::setEnumerationCache(JSGlobalData& globalData, JSPropertyNameIterator* enumerationCache)
-    {
-        ASSERT(!isDictionary());
-        m_enumerationCache.set(globalData, this, enumerationCache);
-    }
-
-    inline JSPropertyNameIterator* Structure::enumerationCache()
-    {
-        return m_enumerationCache.get();
-    }
-
-    ALWAYS_INLINE JSPropertyNameIterator* Register::propertyNameIterator() const
-    {
-        return jsCast<JSPropertyNameIterator*>(jsValue().asCell());
-    }
-
-} // namespace JSC
-
-#endif // JSPropertyNameIterator_h