JavaScriptCore:

2008-11-15  Darin Adler  <darin@apple.com>

        Rubber stamped by Geoff Garen.

        - do the long-planned StructureID -> Structure rename

        * API/JSCallbackConstructor.cpp:
        (JSC::JSCallbackConstructor::JSCallbackConstructor):
        * API/JSCallbackConstructor.h:
        (JSC::JSCallbackConstructor::createStructure):
        * API/JSCallbackFunction.h:
        (JSC::JSCallbackFunction::createStructure):
        * API/JSCallbackObject.h:
        (JSC::JSCallbackObject::createStructure):
        * API/JSCallbackObjectFunctions.h:
        (JSC::::JSCallbackObject):
        * API/JSValueRef.cpp:
        (JSValueIsInstanceOfConstructor):
        * GNUmakefile.am:
        * JavaScriptCore.exp:
        * JavaScriptCore.pri:
        * JavaScriptCore.scons:
        * JavaScriptCore.vcproj/JavaScriptCore/JavaScriptCore.vcproj:
        * JavaScriptCore.xcodeproj/project.pbxproj:
        * JavaScriptCoreSources.bkl:
        * VM/CTI.cpp:
        (JSC::CTI::compileBinaryArithOp):
        (JSC::CTI::privateCompileMainPass):
        (JSC::CTI::privateCompileGetByIdSelf):
        (JSC::CTI::privateCompileGetByIdProto):
        (JSC::CTI::privateCompileGetByIdChain):
        (JSC::CTI::privateCompilePutByIdReplace):
        (JSC::transitionWillNeedStorageRealloc):
        (JSC::CTI::privateCompilePutByIdTransition):
        (JSC::CTI::patchGetByIdSelf):
        (JSC::CTI::patchPutByIdReplace):
        * VM/CTI.h:
        (JSC::CTI::compileGetByIdSelf):
        (JSC::CTI::compileGetByIdProto):
        (JSC::CTI::compileGetByIdChain):
        (JSC::CTI::compilePutByIdReplace):
        (JSC::CTI::compilePutByIdTransition):
        * VM/CodeBlock.cpp:
        (JSC::CodeBlock::printStructure):
        (JSC::CodeBlock::printStructures):
        (JSC::CodeBlock::dump):
        (JSC::CodeBlock::~CodeBlock):
        (JSC::CodeBlock::derefStructures):
        (JSC::CodeBlock::refStructures):
        * VM/CodeBlock.h:
        * VM/Instruction.h:
        (JSC::Instruction::Instruction):
        (JSC::Instruction::):
        * VM/Machine.cpp:
        (JSC::jsTypeStringForValue):
        (JSC::jsIsObjectType):
        (JSC::BytecodeInterpreter::resolveGlobal):
        (JSC::BytecodeInterpreter::BytecodeInterpreter):
        (JSC::cachePrototypeChain):
        (JSC::BytecodeInterpreter::tryCachePutByID):
        (JSC::BytecodeInterpreter::uncachePutByID):
        (JSC::BytecodeInterpreter::tryCacheGetByID):
        (JSC::BytecodeInterpreter::uncacheGetByID):
        (JSC::BytecodeInterpreter::privateExecute):
        (JSC::BytecodeInterpreter::tryCTICachePutByID):
        (JSC::BytecodeInterpreter::tryCTICacheGetByID):
        (JSC::BytecodeInterpreter::cti_op_instanceof):
        (JSC::BytecodeInterpreter::cti_op_construct_JSConstruct):
        (JSC::BytecodeInterpreter::cti_op_resolve_global):
        (JSC::BytecodeInterpreter::cti_op_is_undefined):
        * runtime/Arguments.h:
        (JSC::Arguments::createStructure):
        * runtime/ArrayConstructor.cpp:
        (JSC::ArrayConstructor::ArrayConstructor):
        * runtime/ArrayConstructor.h:
        * runtime/ArrayPrototype.cpp:
        (JSC::ArrayPrototype::ArrayPrototype):
        * runtime/ArrayPrototype.h:
        * runtime/BatchedTransitionOptimizer.h:
        (JSC::BatchedTransitionOptimizer::BatchedTransitionOptimizer):
        (JSC::BatchedTransitionOptimizer::~BatchedTransitionOptimizer):
        * runtime/BooleanConstructor.cpp:
        (JSC::BooleanConstructor::BooleanConstructor):
        * runtime/BooleanConstructor.h:
        * runtime/BooleanObject.cpp:
        (JSC::BooleanObject::BooleanObject):
        * runtime/BooleanObject.h:
        * runtime/BooleanPrototype.cpp:
        (JSC::BooleanPrototype::BooleanPrototype):
        * runtime/BooleanPrototype.h:
        * runtime/DateConstructor.cpp:
        (JSC::DateConstructor::DateConstructor):
        * runtime/DateConstructor.h:
        * runtime/DateInstance.cpp:
        (JSC::DateInstance::DateInstance):
        * runtime/DateInstance.h:
        * runtime/DatePrototype.cpp:
        (JSC::DatePrototype::DatePrototype):
        * runtime/DatePrototype.h:
        (JSC::DatePrototype::createStructure):
        * runtime/ErrorConstructor.cpp:
        (JSC::ErrorConstructor::ErrorConstructor):
        * runtime/ErrorConstructor.h:
        * runtime/ErrorInstance.cpp:
        (JSC::ErrorInstance::ErrorInstance):
        * runtime/ErrorInstance.h:
        * runtime/ErrorPrototype.cpp:
        (JSC::ErrorPrototype::ErrorPrototype):
        * runtime/ErrorPrototype.h:
        * runtime/FunctionConstructor.cpp:
        (JSC::FunctionConstructor::FunctionConstructor):
        * runtime/FunctionConstructor.h:
        * runtime/FunctionPrototype.cpp:
        (JSC::FunctionPrototype::FunctionPrototype):
        (JSC::FunctionPrototype::addFunctionProperties):
        * runtime/FunctionPrototype.h:
        (JSC::FunctionPrototype::createStructure):
        * runtime/GlobalEvalFunction.cpp:
        (JSC::GlobalEvalFunction::GlobalEvalFunction):
        * runtime/GlobalEvalFunction.h:
        * runtime/Identifier.h:
        * runtime/InternalFunction.cpp:
        (JSC::InternalFunction::InternalFunction):
        * runtime/InternalFunction.h:
        (JSC::InternalFunction::createStructure):
        (JSC::InternalFunction::InternalFunction):
        * runtime/JSActivation.cpp:
        (JSC::JSActivation::JSActivation):
        * runtime/JSActivation.h:
        (JSC::JSActivation::createStructure):
        * runtime/JSArray.cpp:
        (JSC::JSArray::JSArray):
        * runtime/JSArray.h:
        (JSC::JSArray::createStructure):
        * runtime/JSCell.h:
        (JSC::JSCell::JSCell):
        (JSC::JSCell::isObject):
        (JSC::JSCell::isString):
        (JSC::JSCell::structure):
        (JSC::JSValue::needsThisConversion):
        * runtime/JSFunction.cpp:
        (JSC::JSFunction::construct):
        * runtime/JSFunction.h:
        (JSC::JSFunction::JSFunction):
        (JSC::JSFunction::createStructure):
        * runtime/JSGlobalData.cpp:
        (JSC::JSGlobalData::JSGlobalData):
        (JSC::JSGlobalData::createLeaked):
        * runtime/JSGlobalData.h:
        * runtime/JSGlobalObject.cpp:
        (JSC::markIfNeeded):
        (JSC::JSGlobalObject::reset):
        * runtime/JSGlobalObject.h:
        (JSC::JSGlobalObject::JSGlobalObject):
        (JSC::JSGlobalObject::argumentsStructure):
        (JSC::JSGlobalObject::arrayStructure):
        (JSC::JSGlobalObject::booleanObjectStructure):
        (JSC::JSGlobalObject::callbackConstructorStructure):
        (JSC::JSGlobalObject::callbackFunctionStructure):
        (JSC::JSGlobalObject::callbackObjectStructure):
        (JSC::JSGlobalObject::dateStructure):
        (JSC::JSGlobalObject::emptyObjectStructure):
        (JSC::JSGlobalObject::errorStructure):
        (JSC::JSGlobalObject::functionStructure):
        (JSC::JSGlobalObject::numberObjectStructure):
        (JSC::JSGlobalObject::prototypeFunctionStructure):
        (JSC::JSGlobalObject::regExpMatchesArrayStructure):
        (JSC::JSGlobalObject::regExpStructure):
        (JSC::JSGlobalObject::stringObjectStructure):
        (JSC::JSGlobalObject::createStructure):
        (JSC::Structure::prototypeForLookup):
        * runtime/JSNotAnObject.h:
        (JSC::JSNotAnObject::createStructure):
        * runtime/JSNumberCell.h:
        (JSC::JSNumberCell::createStructure):
        (JSC::JSNumberCell::JSNumberCell):
        * runtime/JSObject.cpp:
        (JSC::JSObject::mark):
        (JSC::JSObject::put):
        (JSC::JSObject::deleteProperty):
        (JSC::JSObject::defineGetter):
        (JSC::JSObject::defineSetter):
        (JSC::JSObject::getPropertyAttributes):
        (JSC::JSObject::getPropertyNames):
        (JSC::JSObject::removeDirect):
        (JSC::JSObject::createInheritorID):
        * runtime/JSObject.h:
        (JSC::JSObject::getDirect):
        (JSC::JSObject::getDirectLocation):
        (JSC::JSObject::hasCustomProperties):
        (JSC::JSObject::hasGetterSetterProperties):
        (JSC::JSObject::createStructure):
        (JSC::JSObject::JSObject):
        (JSC::JSObject::~JSObject):
        (JSC::JSObject::prototype):
        (JSC::JSObject::setPrototype):
        (JSC::JSObject::setStructure):
        (JSC::JSObject::inheritorID):
        (JSC::JSObject::inlineGetOwnPropertySlot):
        (JSC::JSObject::getOwnPropertySlotForWrite):
        (JSC::JSCell::fastGetOwnPropertySlot):
        (JSC::JSObject::putDirect):
        (JSC::JSObject::putDirectWithoutTransition):
        (JSC::JSObject::transitionTo):
        * runtime/JSPropertyNameIterator.h:
        (JSC::JSPropertyNameIterator::next):
        * runtime/JSStaticScopeObject.h:
        (JSC::JSStaticScopeObject::JSStaticScopeObject):
        (JSC::JSStaticScopeObject::createStructure):
        * runtime/JSString.h:
        (JSC::JSString::JSString):
        (JSC::JSString::createStructure):
        * runtime/JSVariableObject.h:
        (JSC::JSVariableObject::JSVariableObject):
        * runtime/JSWrapperObject.h:
        (JSC::JSWrapperObject::JSWrapperObject):
        * runtime/MathObject.cpp:
        (JSC::MathObject::MathObject):
        * runtime/MathObject.h:
        (JSC::MathObject::createStructure):
        * runtime/NativeErrorConstructor.cpp:
        (JSC::NativeErrorConstructor::NativeErrorConstructor):
        * runtime/NativeErrorConstructor.h:
        * runtime/NativeErrorPrototype.cpp:
        (JSC::NativeErrorPrototype::NativeErrorPrototype):
        * runtime/NativeErrorPrototype.h:
        * runtime/NumberConstructor.cpp:
        (JSC::NumberConstructor::NumberConstructor):
        * runtime/NumberConstructor.h:
        (JSC::NumberConstructor::createStructure):
        * runtime/NumberObject.cpp:
        (JSC::NumberObject::NumberObject):
        * runtime/NumberObject.h:
        * runtime/NumberPrototype.cpp:
        (JSC::NumberPrototype::NumberPrototype):
        * runtime/NumberPrototype.h:
        * runtime/ObjectConstructor.cpp:
        (JSC::ObjectConstructor::ObjectConstructor):
        * runtime/ObjectConstructor.h:
        * runtime/ObjectPrototype.cpp:
        (JSC::ObjectPrototype::ObjectPrototype):
        * runtime/ObjectPrototype.h:
        * runtime/Operations.h:
        (JSC::equalSlowCaseInline):
        * runtime/PropertyNameArray.h:
        (JSC::PropertyNameArrayData::setCachedStructure):
        (JSC::PropertyNameArrayData::cachedStructure):
        (JSC::PropertyNameArrayData::setCachedPrototypeChain):
        (JSC::PropertyNameArrayData::cachedPrototypeChain):
        (JSC::PropertyNameArrayData::PropertyNameArrayData):
        * runtime/PrototypeFunction.cpp:
        (JSC::PrototypeFunction::PrototypeFunction):
        * runtime/PrototypeFunction.h:
        * runtime/RegExpConstructor.cpp:
        (JSC::RegExpConstructor::RegExpConstructor):
        * runtime/RegExpConstructor.h:
        (JSC::RegExpConstructor::createStructure):
        * runtime/RegExpObject.cpp:
        (JSC::RegExpObject::RegExpObject):
        * runtime/RegExpObject.h:
        (JSC::RegExpObject::createStructure):
        * runtime/RegExpPrototype.cpp:
        (JSC::RegExpPrototype::RegExpPrototype):
        * runtime/RegExpPrototype.h:
        * runtime/StringConstructor.cpp:
        (JSC::StringConstructor::StringConstructor):
        * runtime/StringConstructor.h:
        * runtime/StringObject.cpp:
        (JSC::StringObject::StringObject):
        * runtime/StringObject.h:
        (JSC::StringObject::createStructure):
        * runtime/StringObjectThatMasqueradesAsUndefined.h:
        (JSC::StringObjectThatMasqueradesAsUndefined::create):
        (JSC::StringObjectThatMasqueradesAsUndefined::StringObjectThatMasqueradesAsUndefined):
        (JSC::StringObjectThatMasqueradesAsUndefined::createStructure):
        * runtime/StringPrototype.cpp:
        (JSC::StringPrototype::StringPrototype):
        * runtime/StringPrototype.h:
        * runtime/Structure.cpp: Copied from JavaScriptCore/runtime/StructureID.cpp.
        (JSC::Structure::dumpStatistics):
        (JSC::Structure::Structure):
        (JSC::Structure::~Structure):
        (JSC::Structure::startIgnoringLeaks):
        (JSC::Structure::stopIgnoringLeaks):
        (JSC::Structure::materializePropertyMap):
        (JSC::Structure::getEnumerablePropertyNames):
        (JSC::Structure::clearEnumerationCache):
        (JSC::Structure::growPropertyStorageCapacity):
        (JSC::Structure::addPropertyTransitionToExistingStructure):
        (JSC::Structure::addPropertyTransition):
        (JSC::Structure::removePropertyTransition):
        (JSC::Structure::changePrototypeTransition):
        (JSC::Structure::getterSetterTransition):
        (JSC::Structure::toDictionaryTransition):
        (JSC::Structure::fromDictionaryTransition):
        (JSC::Structure::addPropertyWithoutTransition):
        (JSC::Structure::removePropertyWithoutTransition):
        (JSC::Structure::createCachedPrototypeChain):
        (JSC::Structure::checkConsistency):
        (JSC::Structure::copyPropertyTable):
        (JSC::Structure::get):
        (JSC::Structure::put):
        (JSC::Structure::remove):
        (JSC::Structure::insertIntoPropertyMapHashTable):
        (JSC::Structure::createPropertyMapHashTable):
        (JSC::Structure::expandPropertyMapHashTable):
        (JSC::Structure::rehashPropertyMapHashTable):
        (JSC::Structure::getEnumerablePropertyNamesInternal):
        * runtime/Structure.h: Copied from JavaScriptCore/runtime/StructureID.h.
        (JSC::Structure::create):
        (JSC::Structure::previousID):
        (JSC::Structure::setCachedPrototypeChain):
        (JSC::Structure::cachedPrototypeChain):
        (JSC::Structure::):
        (JSC::Structure::get):
        * runtime/StructureChain.cpp: Copied from JavaScriptCore/runtime/StructureIDChain.cpp.
        (JSC::StructureChain::StructureChain):
        (JSC::structureChainsAreEqual):
        * runtime/StructureChain.h: Copied from JavaScriptCore/runtime/StructureIDChain.h.
        (JSC::StructureChain::create):
        (JSC::StructureChain::head):
        * runtime/StructureID.cpp: Removed.
        * runtime/StructureID.h: Removed.
        * runtime/StructureIDChain.cpp: Removed.
        * runtime/StructureIDChain.h: Removed.
        * runtime/StructureIDTransitionTable.h: Removed.
        * runtime/StructureTransitionTable.h: Copied from JavaScriptCore/runtime/StructureIDTransitionTable.h.

JavaScriptGlue:

2008-11-15  Darin Adler  <darin@apple.com>

        Rubber stamped by Geoff Garen.

        - do the long-planned StructureID -> Structure rename

        * JSRun.cpp:
        (JSGlueGlobalObject::JSGlueGlobalObject):
        (JSRun::JSRun):
        * JSRun.h:
        (JSGlueGlobalObject::userObjectStructure):
        * JSUtils.cpp:
        (getThreadGlobalObject):
        * UserObjectImp.cpp:
        (UserObjectImp::UserObjectImp):
        * UserObjectImp.h:
        (UserObjectImp::createStructure):

WebCore:

2008-11-15  Darin Adler  <darin@apple.com>

        Rubber stamped by Geoff Garen.

        - do the long-planned StructureID -> Structure rename

        * ForwardingHeaders/runtime/Structure.h: Copied from WebCore/ForwardingHeaders/runtime/StructureID.h.
        * ForwardingHeaders/runtime/StructureID.h: Removed.
        * bindings/js/JSAudioConstructor.cpp:
        (WebCore::JSAudioConstructor::JSAudioConstructor):
        * bindings/js/JSDOMBinding.cpp:
        (WebCore::getCachedDOMStructure):
        (WebCore::cacheDOMStructure):
        * bindings/js/JSDOMBinding.h:
        (WebCore::DOMObject::DOMObject):
        (WebCore::getDOMStructure):
        * bindings/js/JSDOMGlobalObject.cpp:
        (WebCore::JSDOMGlobalObject::JSDOMGlobalObject):
        * bindings/js/JSDOMGlobalObject.h:
        * bindings/js/JSDOMWindowBase.cpp:
        (WebCore::JSDOMWindowBase::JSDOMWindowBase):
        * bindings/js/JSDOMWindowBase.h:
        * bindings/js/JSDOMWindowShell.cpp:
        (WebCore::JSDOMWindowShell::JSDOMWindowShell):
        (WebCore::JSDOMWindowShell::setWindow):
        * bindings/js/JSDOMWindowShell.h:
        (WebCore::JSDOMWindowShell::createStructure):
        * bindings/js/JSDedicatedWorkerConstructor.cpp:
        (WebCore::JSDedicatedWorkerConstructor::JSDedicatedWorkerConstructor):
        * bindings/js/JSHTMLAllCollection.h:
        (WebCore::JSHTMLAllCollection::JSHTMLAllCollection):
        (WebCore::JSHTMLAllCollection::createStructure):
        * bindings/js/JSImageConstructor.cpp:
        (WebCore::JSImageConstructor::JSImageConstructor):
        * bindings/js/JSInspectedObjectWrapper.cpp:
        (WebCore::JSInspectedObjectWrapper::wrap):
        (WebCore::JSInspectedObjectWrapper::JSInspectedObjectWrapper):
        * bindings/js/JSInspectedObjectWrapper.h:
        * bindings/js/JSInspectorCallbackWrapper.cpp:
        (WebCore::leakInspectorCallbackWrapperStructure):
        (WebCore::JSInspectorCallbackWrapper::wrap):
        (WebCore::JSInspectorCallbackWrapper::JSInspectorCallbackWrapper):
        * bindings/js/JSInspectorCallbackWrapper.h:
        * bindings/js/JSMessageChannelConstructor.cpp:
        (WebCore::JSMessageChannelConstructor::JSMessageChannelConstructor):
        * bindings/js/JSNamedNodesCollection.h:
        (WebCore::JSNamedNodesCollection::createStructure):
        * bindings/js/JSOptionConstructor.cpp:
        (WebCore::JSOptionConstructor::JSOptionConstructor):
        * bindings/js/JSQuarantinedObjectWrapper.cpp:
        (WebCore::JSQuarantinedObjectWrapper::JSQuarantinedObjectWrapper):
        * bindings/js/JSQuarantinedObjectWrapper.h:
        (WebCore::JSQuarantinedObjectWrapper::createStructure):
        * bindings/js/JSRGBColor.h:
        (WebCore::JSRGBColor::createStructure):
        * bindings/js/JSWorkerContext.cpp:
        (WebCore::createJSWorkerContextStructure):
        (WebCore::JSWorkerContext::JSWorkerContext):
        (WebCore::JSWorkerContext::createPrototype):
        * bindings/js/JSWorkerContext.h:
        (WebCore::JSWorkerContext::createStructure):
        (WebCore::JSWorkerContextPrototype::JSWorkerContextPrototype):
        (WebCore::JSWorkerContextPrototype::createStructure):
        * bindings/js/JSXMLHttpRequestConstructor.cpp:
        (WebCore::JSXMLHttpRequestConstructor::JSXMLHttpRequestConstructor):
        * bindings/js/JSXSLTProcessorConstructor.cpp:
        (WebCore::JSXSLTProcessorConstructor::JSXSLTProcessorConstructor):
        * bindings/scripts/CodeGeneratorJS.pm:
        * bridge/objc/objc_runtime.h:
        (JSC::Bindings::ObjcFallbackObjectImp::createStructure):
        * bridge/qt/qt_runtime.cpp:
        (JSC::Bindings::QtConnectionObject::execute):
        * bridge/qt/qt_runtime.h:
        (JSC::Bindings::QtRuntimeMethod::createStructure):
        * bridge/runtime_array.h:
        (JSC::RuntimeArray::createStructure):
        * bridge/runtime_method.h:
        (JSC::RuntimeMethod::createStructure):
        * bridge/runtime_object.cpp:
        (JSC::RuntimeObjectImp::RuntimeObjectImp):
        * bridge/runtime_object.h:
        (JSC::RuntimeObjectImp::createStructure):

WebKitTools:

2008-11-15  Darin Adler  <darin@apple.com>

        Rubber stamped by Geoff Garen.

        - do the long-planned StructureID -> Structure rename

        * Scripts/check-for-global-initializers: Update name of StructureID.o.
        * Scripts/do-webcore-rename: Renaming script that I used.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@38440 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/JavaScriptCore/runtime/Structure.h b/JavaScriptCore/runtime/Structure.h
new file mode 100644
index 0000000..343fde4
--- /dev/null
+++ b/JavaScriptCore/runtime/Structure.h
@@ -0,0 +1,223 @@
+/*
+ * 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 Structure_h
+#define Structure_h
+
+#include "Identifier.h"
+#include "JSType.h"
+#include "JSValue.h"
+#include "PropertyMapHashTable.h"
+#include "StructureChain.h"
+#include "StructureTransitionTable.h"
+#include "TypeInfo.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 Structure : public RefCounted<Structure> {
+    public:
+        friend class CTI;
+        static PassRefPtr<Structure> create(JSValue* prototype, const TypeInfo& typeInfo)
+        {
+            return adoptRef(new Structure(prototype, typeInfo));
+        }
+
+        static void startIgnoringLeaks();
+        static void stopIgnoringLeaks();
+
+        static void dumpStatistics();
+
+        static PassRefPtr<Structure> addPropertyTransition(Structure*, const Identifier& propertyName, unsigned attributes, size_t& offset);
+        static PassRefPtr<Structure> addPropertyTransitionToExistingStructure(Structure*, const Identifier& propertyName, unsigned attributes, size_t& offset);
+        static PassRefPtr<Structure> removePropertyTransition(Structure*, const Identifier& propertyName, size_t& offset);
+        static PassRefPtr<Structure> changePrototypeTransition(Structure*, JSValue* prototype);
+        static PassRefPtr<Structure> getterSetterTransition(Structure*);
+        static PassRefPtr<Structure> toDictionaryTransition(Structure*);
+        static PassRefPtr<Structure> fromDictionaryTransition(Structure*);
+
+        ~Structure();
+
+        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*); 
+
+        Structure* previousID() const { return m_previous.get(); }
+
+        StructureChain* createCachedPrototypeChain();
+        void setCachedPrototypeChain(PassRefPtr<StructureChain> cachedPrototypeChain) { m_cachedPrototypeChain = cachedPrototypeChain; }
+        StructureChain* cachedPrototypeChain() const { return m_cachedPrototypeChain.get(); }
+
+        void growPropertyStorageCapacity();
+        size_t propertyStorageCapacity() const { return m_propertyStorageCapacity; }
+        size_t propertyStorageSize() const { return m_propertyTable ? m_propertyTable->keyCount + m_deletedOffsets.size() : m_offset + 1; }
+
+        size_t get(const Identifier& propertyName);
+        size_t get(const Identifier& propertyName, unsigned& attributes);
+        void getEnumerablePropertyNames(ExecState*, PropertyNameArray&, JSObject*);
+
+        bool hasGetterSetterProperties() const { return m_hasGetterSetterProperties; }
+        void setHasGetterSetterProperties(bool hasGetterSetterProperties) { m_hasGetterSetterProperties = hasGetterSetterProperties; }
+
+        bool isEmpty() const { return m_propertyTable ? !m_propertyTable->keyCount : m_offset == WTF::notFound; }
+
+    private:
+        Structure(JSValue* prototype, const TypeInfo&);
+
+        size_t put(const Identifier& propertyName, unsigned attributes);
+        size_t remove(const Identifier& propertyName);
+        void getEnumerablePropertyNamesInternal(PropertyNameArray&);
+
+        void expandPropertyMapHashTable();
+        void rehashPropertyMapHashTable();
+        void rehashPropertyMapHashTable(unsigned newTableSize);
+        void createPropertyMapHashTable();
+        void createPropertyMapHashTable(unsigned newTableSize);
+        void insertIntoPropertyMapHashTable(const PropertyMapEntry&);
+        void checkConsistency();
+
+        PropertyMapHashTable* copyPropertyTable();
+        void materializePropertyMap();
+        void materializePropertyMapIfNecessary()
+        {
+            if (m_propertyTable || !m_previous)             
+                return;
+            materializePropertyMap();
+        }
+
+        void clearEnumerationCache();
+
+        static const unsigned emptyEntryIndex = 0;
+    
+        static const size_t s_maxTransitionLength = 64;
+
+        TypeInfo m_typeInfo;
+
+        JSValue* m_prototype;
+        RefPtr<StructureChain> m_cachedPrototypeChain;
+
+        RefPtr<Structure> m_previous;
+        UString::Rep* m_nameInPrevious;
+
+        size_t m_transitionCount;
+        union {
+            Structure* singleTransition;
+            StructureTransitionTable* table;
+        } m_transitions;
+
+        RefPtr<PropertyNameArrayData> m_cachedPropertyNameArrayData;
+
+        PropertyMapHashTable* m_propertyTable;
+        Vector<unsigned> m_deletedOffsets;
+
+        size_t m_propertyStorageCapacity;
+        size_t m_offset;
+
+        bool m_isDictionary : 1;
+        bool m_isPinnedPropertyTable : 1;
+        bool m_hasGetterSetterProperties : 1;
+        bool m_usingSingleTransitionSlot : 1;
+        unsigned m_attributesInPrevious : 5;
+    };
+
+    inline size_t Structure::get(const Identifier& propertyName)
+    {
+        ASSERT(!propertyName.isNull());
+
+        materializePropertyMapIfNecessary();
+        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 // Structure_h