implement attributes for arguments.{callee,length}

Should be DontEnum, as per ECMA-262.

2 files changed, 11 insertions, 0 deletions

diff --git a/src/3rdparty/webkit/JavaScriptCore/runtime/Arguments.cpp b/src/3rdparty/webkit/JavaScriptCore/runtime/Arguments.cpp
index f867fe8..424d96d 100644
--- a/src/3rdparty/webkit/JavaScriptCore/runtime/Arguments.cpp
+++ b/src/3rdparty/webkit/JavaScriptCore/runtime/Arguments.cpp
@@ -271,4 +271,14 @@ bool Arguments::deleteProperty(ExecState* exec, const Identifier& propertyName)
     return JSObject::deleteProperty(exec, propertyName);
 }
 
+bool Arguments::getPropertyAttributes(ExecState* exec, const Identifier& propertyName, unsigned& attributes) const
+{
+    if ((propertyName == exec->propertyNames().length)
+        || (propertyName == exec->propertyNames().callee)) {
+        attributes = DontEnum;
+        return true;
+    }
+    return JSObject::getPropertyAttributes(exec, propertyName, attributes);
+}
+
 } // namespace JSC
diff --git a/src/3rdparty/webkit/JavaScriptCore/runtime/Arguments.h b/src/3rdparty/webkit/JavaScriptCore/runtime/Arguments.h
index 13d8d1c..a3941b6 100644
--- a/src/3rdparty/webkit/JavaScriptCore/runtime/Arguments.h
+++ b/src/3rdparty/webkit/JavaScriptCore/runtime/Arguments.h
@@ -94,6 +94,7 @@ namespace JSC {
         virtual void put(ExecState*, unsigned propertyName, JSValue, PutPropertySlot&);
         virtual bool deleteProperty(ExecState*, const Identifier& propertyName);
         virtual bool deleteProperty(ExecState*, unsigned propertyName);
+        virtual bool getPropertyAttributes(ExecState*, const Identifier& propertyName, unsigned& attributes) const;
 
         virtual const ClassInfo* classInfo() const { return &info; }