webkitgtk-2.12.3webkitgtk-2.12.3

1 files changed, 17 insertions, 9 deletions

diff --git a/Source/JavaScriptCore/runtime/Operations.cpp b/Source/JavaScriptCore/runtime/Operations.cpp
index f0ffd5668..5732cfd0c 100644
--- a/Source/JavaScriptCore/runtime/Operations.cpp
+++ b/Source/JavaScriptCore/runtime/Operations.cpp
@@ -23,6 +23,7 @@
 #include "Operations.h"
 
 #include "Error.h"
+#include "JSCInlines.h"
 #include "JSObject.h"
 #include "JSString.h"
 #include <wtf/MathExtras.h>
@@ -64,15 +65,22 @@ JSValue jsTypeStringForValue(VM& vm, JSGlobalObject* globalObject, JSValue v)
         return vm.smallStrings.numberString();
     if (v.isString())
         return vm.smallStrings.stringString();
+    if (v.isSymbol())
+        return vm.smallStrings.symbolString();
     if (v.isObject()) {
+        JSObject* object = asObject(v);
         // Return "undefined" for objects that should be treated
         // as null when doing comparisons.
-        if (asObject(v)->structure()->masqueradesAsUndefined(globalObject))
+        if (object->structure(vm)->masqueradesAsUndefined(globalObject))
             return vm.smallStrings.undefinedString();
-        CallData callData;
-        JSObject* object = asObject(v);
-        if (object->methodTable()->getCallData(object, callData) != CallTypeNone)
+        if (object->type() == JSFunctionType)
             return vm.smallStrings.functionString();
+        if (object->inlineTypeFlags() & TypeOfShouldCallGetCallData) {
+            CallData callData;
+            JSObject* object = asObject(v);
+            if (object->methodTable(vm)->getCallData(object, callData) != CallTypeNone)
+                return vm.smallStrings.functionString();
+        }
     }
     return vm.smallStrings.objectString();
 }
@@ -82,20 +90,20 @@ JSValue jsTypeStringForValue(CallFrame* callFrame, JSValue v)
     return jsTypeStringForValue(callFrame->vm(), callFrame->lexicalGlobalObject(), v);
 }
 
-bool jsIsObjectType(CallFrame* callFrame, JSValue v)
+bool jsIsObjectTypeOrNull(CallFrame* callFrame, JSValue v)
 {
     if (!v.isCell())
         return v.isNull();
 
-    JSType type = v.asCell()->structure()->typeInfo().type();
-    if (type == StringType)
+    JSType type = v.asCell()->type();
+    if (type == StringType || type == SymbolType)
         return false;
     if (type >= ObjectType) {
-        if (asObject(v)->structure()->masqueradesAsUndefined(callFrame->lexicalGlobalObject()))
+        if (asObject(v)->structure(callFrame->vm())->masqueradesAsUndefined(callFrame->lexicalGlobalObject()))
             return false;
         CallData callData;
         JSObject* object = asObject(v);
-        if (object->methodTable()->getCallData(object, callData) != CallTypeNone)
+        if (object->methodTable(callFrame->vm())->getCallData(object, callData) != CallTypeNone)
             return false;
     }
     return true;