1 files changed, 23 insertions, 9 deletions

diff --git a/Source/JavaScriptCore/runtime/RegExpObject.h b/Source/JavaScriptCore/runtime/RegExpObject.h
index 1f89b84..fa2024d 100644
--- a/Source/JavaScriptCore/runtime/RegExpObject.h
+++ b/Source/JavaScriptCore/runtime/RegExpObject.h
@@ -28,14 +28,26 @@ namespace JSC {
 
     class RegExpObject : public JSObjectWithGlobalObject {
     public:
+        typedef JSObjectWithGlobalObject Base;
+
         RegExpObject(JSGlobalObject* globalObject, NonNullPassRefPtr<Structure>, NonNullPassRefPtr<RegExp>);
         virtual ~RegExpObject();
 
         void setRegExp(PassRefPtr<RegExp> r) { d->regExp = r; }
         RegExp* regExp() const { return d->regExp.get(); }
 
-        void setLastIndex(double lastIndex) { d->lastIndex = lastIndex; }
-        double lastIndex() const { return d->lastIndex; }
+        void setLastIndex(size_t lastIndex)
+        {
+            d->lastIndex.setWithoutWriteBarrier(jsNumber(lastIndex));
+        }
+        void setLastIndex(JSGlobalData& globalData, JSValue lastIndex)
+        {
+            d->lastIndex.set(globalData, this, lastIndex);
+        }
+        JSValue getLastIndex() const
+        {
+            return d->lastIndex.get();
+        }
 
         JSValue test(ExecState*);
         JSValue exec(ExecState*);
@@ -46,28 +58,30 @@ namespace JSC {
 
         static JS_EXPORTDATA const ClassInfo s_info;
 
-        static PassRefPtr<Structure> createStructure(JSValue prototype)
+        static PassRefPtr<Structure> createStructure(JSGlobalData& globalData, JSValue prototype)
         {
-            return Structure::create(prototype, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount, &s_info);
+            return Structure::create(globalData, prototype, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount, &s_info);
         }
 
     protected:
-        static const unsigned StructureFlags = OverridesGetOwnPropertySlot | JSObjectWithGlobalObject::StructureFlags;
-        
+        static const unsigned StructureFlags = OverridesMarkChildren | OverridesGetOwnPropertySlot | JSObjectWithGlobalObject::StructureFlags;
+
     private:
+        virtual void markChildren(MarkStack&);
+
         bool match(ExecState*);
 
         struct RegExpObjectData {
             WTF_MAKE_FAST_ALLOCATED;
         public:
-            RegExpObjectData(NonNullPassRefPtr<RegExp> regExp, double lastIndex)
+            RegExpObjectData(NonNullPassRefPtr<RegExp> regExp)
                 : regExp(regExp)
-                , lastIndex(lastIndex)
             {
+                lastIndex.setWithoutWriteBarrier(jsNumber(0));
             }
 
             RefPtr<RegExp> regExp;
-            double lastIndex;
+            WriteBarrier<Unknown> lastIndex;
         };
 #if COMPILER(MSVC)
         friend void WTF::deleteOwnedPtr<RegExpObjectData>(RegExpObjectData*);