1 files changed, 47 insertions, 5 deletions

diff --git a/JavaScriptCore/runtime/JSGlobalData.h b/JavaScriptCore/runtime/JSGlobalData.h
index 88cb516..f0c1b5c 100644
--- a/JavaScriptCore/runtime/JSGlobalData.h
+++ b/JavaScriptCore/runtime/JSGlobalData.h
@@ -30,12 +30,15 @@
 #define JSGlobalData_h
 
 #include "Collector.h"
+#include "DateInstanceCache.h"
 #include "ExecutableAllocator.h"
 #include "JITStubs.h"
 #include "JSValue.h"
 #include "MarkStack.h"
+#include "NumericStrings.h"
 #include "SmallStrings.h"
 #include "TimeoutChecker.h"
+#include "WeakRandom.h"
 #include <wtf/Forward.h>
 #include <wtf/HashMap.h>
 #include <wtf/RefCounted.h>
@@ -45,15 +48,14 @@ struct OpaqueJSClassContextData;
 
 namespace JSC {
 
+    class CodeBlock;
     class CommonIdentifiers;
-    class FunctionBodyNode;
     class IdentifierTable;
     class Interpreter;
     class JSGlobalObject;
     class JSObject;
     class Lexer;
     class Parser;
-    class ScopeNode;
     class Stringifier;
     class Structure;
     class UString;
@@ -62,6 +64,26 @@ namespace JSC {
     struct Instruction;    
     struct VPtrSet;
 
+    struct DSTOffsetCache {
+        DSTOffsetCache()
+        {
+            reset();
+        }
+        
+        void reset()
+        {
+            offset = 0.0;
+            start = 0.0;
+            end = -1.0;
+            increment = 0.0;
+        }
+
+        double offset;
+        double start;
+        double end;
+        double increment;
+    };
+
     class JSGlobalData : public RefCounted<JSGlobalData> {
     public:
         struct ClientData {
@@ -115,7 +137,9 @@ namespace JSC {
         CommonIdentifiers* propertyNames;
         const MarkedArgumentBuffer* emptyList; // Lists are supposed to be allocated on the stack to have their elements properly marked, which is not the case here - but this list has nothing to mark.
         SmallStrings smallStrings;
-
+        NumericStrings numericStrings;
+        DateInstanceCache dateInstanceCache;
+        
 #if ENABLE(ASSEMBLER)
         ExecutableAllocator executableAllocator;
 #endif
@@ -145,16 +169,34 @@ namespace JSC {
 
         HashSet<JSObject*> arrayVisitedElements;
 
-        ScopeNode* scopeNodeBeingReparsed;
+        CodeBlock* functionCodeBlockBeingReparsed;
         Stringifier* firstStringifierToMark;
 
         MarkStack markStack;
+
+        double cachedUTCOffset;
+        DSTOffsetCache dstOffsetCache;
+        
+        UString cachedDateString;
+        double cachedDateStringValue;
+        
+        WeakRandom weakRandom;
+
+#ifndef NDEBUG
+        bool mainThreadOnly;
+#endif
+
+        void resetDateCache();
+
+        void startSampling();
+        void stopSampling();
+        void dumpSampleData(ExecState* exec);
     private:
         JSGlobalData(bool isShared, const VPtrSet&);
         static JSGlobalData*& sharedInstanceInternal();
         void createNativeThunk();
     };
-
+    
 } // namespace JSC
 
 #endif // JSGlobalData_h