1 files changed, 13 insertions, 4 deletions
diff --git a/src/3rdparty/webkit/JavaScriptCore/runtime/Structure.h b/src/3rdparty/webkit/JavaScriptCore/runtime/Structure.h
index f7cb04b..ed9f6e5 100644
--- a/src/3rdparty/webkit/JavaScriptCore/runtime/Structure.h
+++ b/src/3rdparty/webkit/JavaScriptCore/runtime/Structure.h
@@ -70,7 +70,8 @@ namespace JSC {
         static PassRefPtr<Structure> despecifyFunctionTransition(Structure*, const Identifier&);
         static PassRefPtr<Structure> addAnonymousSlotsTransition(Structure*, unsigned count);
         static PassRefPtr<Structure> getterSetterTransition(Structure*);
-        static PassRefPtr<Structure> toDictionaryTransition(Structure*);
+        static PassRefPtr<Structure> toCacheableDictionaryTransition(Structure*);
+        static PassRefPtr<Structure> toUncacheableDictionaryTransition(Structure*);
         static PassRefPtr<Structure> fromDictionaryTransition(Structure*);
 
         ~Structure();
@@ -81,8 +82,9 @@ namespace JSC {
         size_t addPropertyWithoutTransition(const Identifier& propertyName, unsigned attributes, JSCell* specificValue);
         size_t removePropertyWithoutTransition(const Identifier& propertyName);
         void setPrototypeWithoutTransition(JSValue prototype) { m_prototype = prototype; }
-
-        bool isDictionary() const { return m_isDictionary; }
+        
+        bool isDictionary() const { return m_dictionaryKind != NoneDictionaryKind; }
+        bool isUncacheableDictionary() const { return m_dictionaryKind == UncachedDictionaryKind; }
 
         const TypeInfo& typeInfo() const { return m_typeInfo; }
 
@@ -127,6 +129,13 @@ namespace JSC {
 
     private:
         Structure(JSValue prototype, const TypeInfo&);
+        
+        typedef enum { 
+            NoneDictionaryKind = 0,
+            CachedDictionaryKind = 1,
+            UncachedDictionaryKind = 2
+        } DictionaryKind;
+        static PassRefPtr<Structure> toDictionaryTransition(Structure*, DictionaryKind);
 
         size_t put(const Identifier& propertyName, unsigned attributes, JSCell* specificValue);
         size_t remove(const Identifier& propertyName);
@@ -187,7 +196,7 @@ namespace JSC {
         size_t m_propertyStorageCapacity;
         signed char m_offset;
 
-        bool m_isDictionary : 1;
+        unsigned m_dictionaryKind : 2;
         bool m_isPinnedPropertyTable : 1;
         bool m_hasGetterSetterProperties : 1;
 #if COMPILER(WINSCW)