auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 216 deletions

diff --git a/JavaScriptCore/runtime/StructureID.h b/JavaScriptCore/runtime/StructureID.h
deleted file mode 100644
index 4f45dac..0000000
--- a/JavaScriptCore/runtime/StructureID.h
+++ /dev/null
@@ -1,216 +0,0 @@
-/*
- * 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 COMPUTER, 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 COMPUTER, 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 StructureID_h
-#define StructureID_h
-
-#include "JSType.h"
-#include "JSValue.h"
-#include "PropertyMapHashTable.h"
-#include "StructureIDChain.h"
-#include "StructureIDTransitionTable.h"
-#include "TypeInfo.h"
-#include "identifier.h"
-#include "ustring.h"
-#include <wtf/HashFunctions.h>
-#include <wtf/HashTraits.h>
-#include <wtf/OwnArrayPtr.h>
-#include <wtf/PassRefPtr.h>
-#include <wtf/RefCounted.h>
-
-#ifndef NDEBUG
-#define DUMP_PROPERTYMAP_STATS 0
-#else
-#define DUMP_PROPERTYMAP_STATS 0
-#endif
-
-namespace JSC {
-
-    class PropertyNameArray;
-    class PropertyNameArrayData;
-
-    class StructureID : public RefCounted<StructureID> {
-    public:
-        friend class CTI;
-        static PassRefPtr<StructureID> create(JSValue* prototype, const TypeInfo& typeInfo)
-        {
-            return adoptRef(new StructureID(prototype, typeInfo));
-        }
-
-        static void startIgnoringLeaks();
-        static void stopIgnoringLeaks();
-
-        static void dumpStatistics();
-
-        static PassRefPtr<StructureID> changePrototypeTransition(StructureID*, JSValue* prototype);
-        static PassRefPtr<StructureID> addPropertyTransition(StructureID*, const Identifier& propertyName, unsigned attributes, size_t& offset);
-        static PassRefPtr<StructureID> removePropertyTransition(StructureID*, const Identifier& propertyName, size_t& offset);
-        static PassRefPtr<StructureID> getterSetterTransition(StructureID*);
-        static PassRefPtr<StructureID> toDictionaryTransition(StructureID*);
-        static PassRefPtr<StructureID> fromDictionaryTransition(StructureID*);
-
-        ~StructureID();
-
-        void mark()
-        {
-            if (!m_prototype->marked())
-                m_prototype->mark();
-        }
-
-        // These should be used with caution.  
-        size_t addPropertyWithoutTransition(const Identifier& propertyName, unsigned attributes);
-        size_t removePropertyWithoutTransition(const Identifier& propertyName);
-        void setPrototypeWithoutTransition(JSValue* prototype) { m_prototype = prototype; }
-
-        bool isDictionary() const { return m_isDictionary; }
-
-        const TypeInfo& typeInfo() const { return m_typeInfo; }
-
-        // For use when first creating a new structure.
-        TypeInfo& mutableTypeInfo() { return m_typeInfo; }
-
-        JSValue* storedPrototype() const { return m_prototype; }
-        JSValue* prototypeForLookup(ExecState*); 
-
-        StructureID* previousID() const { return m_previous.get(); }
-
-        StructureIDChain* createCachedPrototypeChain();
-        void setCachedPrototypeChain(PassRefPtr<StructureIDChain> cachedPrototypeChain) { m_cachedPrototypeChain = cachedPrototypeChain; }
-        StructureIDChain* cachedPrototypeChain() const { return m_cachedPrototypeChain.get(); }
-
-        void setCachedTransistionOffset(size_t offset) { m_cachedTransistionOffset = offset; }
-        size_t cachedTransistionOffset() const { return m_cachedTransistionOffset; }
-
-        void growPropertyStorageCapacity();
-        size_t propertyStorageCapacity() const { return m_propertyStorageCapacity; }
-        size_t propertyStorageSize() const { return m_propertyTable ? m_propertyTable->keyCount + m_deletedOffsets.size() : 0; }
-
-        size_t get(const Identifier& propertyName) const;
-        size_t get(const Identifier& propertyName, unsigned& attributes) const;
-        void getEnumerablePropertyNames(ExecState*, PropertyNameArray&, JSObject*);
-
-        bool hasGetterSetterProperties() const { return m_hasGetterSetterProperties; }
-        void setHasGetterSetterProperties(bool hasGetterSetterProperties) { m_hasGetterSetterProperties = hasGetterSetterProperties; }
-
-        bool isEmpty() const { return !m_propertyTable; }
-
-    private:
-        StructureID(JSValue* prototype, const TypeInfo&);
-
-        size_t put(const Identifier& propertyName, unsigned attributes);
-        size_t remove(const Identifier& propertyName);
-        void getEnumerablePropertyNamesInternal(PropertyNameArray&) const;
-
-        void expandPropertyMapHashTable();
-        void rehashPropertyMapHashTable();
-        void rehashPropertyMapHashTable(unsigned newTableSize);
-        void createPropertyMapHashTable();
-        void insertIntoPropertyMapHashTable(const PropertyMapEntry&);
-        void checkConsistency();
-
-        PropertyMapHashTable* copyPropertyTable();
-
-        void clearEnumerationCache();
-
-        static const unsigned emptyEntryIndex = 0;
-    
-        static const size_t s_maxTransitionLength = 64;
-
-        TypeInfo m_typeInfo;
-
-        JSValue* m_prototype;
-        RefPtr<StructureIDChain> m_cachedPrototypeChain;
-
-        RefPtr<StructureID> m_previous;
-        UString::Rep* m_nameInPrevious;
-
-        size_t m_transitionCount;
-        union {
-            StructureID* singleTransition;
-            StructureIDTransitionTable* table;
-        } m_transitions;
-
-        RefPtr<PropertyNameArrayData> m_cachedPropertyNameArrayData;
-
-        PropertyMapHashTable* m_propertyTable;
-        Vector<unsigned> m_deletedOffsets;
-
-        size_t m_propertyStorageCapacity;
-
-        size_t m_cachedTransistionOffset;
-
-        bool m_isDictionary : 1;
-        bool m_hasGetterSetterProperties : 1;
-        bool m_usingSingleTransitionSlot : 1;
-        unsigned m_attributesInPrevious : 5;
-    };
-
-    inline size_t StructureID::get(const Identifier& propertyName) const
-    {
-        ASSERT(!propertyName.isNull());
-
-        if (!m_propertyTable)
-            return WTF::notFound;
-
-        UString::Rep* rep = propertyName._ustring.rep();
-
-        unsigned i = rep->computedHash();
-
-#if DUMP_PROPERTYMAP_STATS
-        ++numProbes;
-#endif
-
-        unsigned entryIndex = m_propertyTable->entryIndices[i & m_propertyTable->sizeMask];
-        if (entryIndex == emptyEntryIndex)
-            return WTF::notFound;
-
-        if (rep == m_propertyTable->entries()[entryIndex - 1].key)
-            return m_propertyTable->entries()[entryIndex - 1].offset;
-
-#if DUMP_PROPERTYMAP_STATS
-        ++numCollisions;
-#endif
-
-        unsigned k = 1 | WTF::doubleHash(rep->computedHash());
-
-        while (1) {
-            i += k;
-
-#if DUMP_PROPERTYMAP_STATS
-            ++numRehashes;
-#endif
-
-            entryIndex = m_propertyTable->entryIndices[i & m_propertyTable->sizeMask];
-            if (entryIndex == emptyEntryIndex)
-                return WTF::notFound;
-
-            if (rep == m_propertyTable->entries()[entryIndex - 1].key)
-                return m_propertyTable->entries()[entryIndex - 1].offset;
-        }
-    }
-
-} // namespace JSC
-
-#endif // StructureID_h