+ return asString(getDirect(exec->globalData().propertyNames->name))->value(exec);
+}
+
+const UString InternalFunction::displayName(ExecState* exec)
+{
+ JSValue displayName = getDirect(exec->globalData().propertyNames->displayName);
+
+ if (displayName && isJSString(&exec->globalData(), displayName))
+ return asString(displayName)->value(exec);
+
+ return UString::null();
+}
+
+const UString InternalFunction::calculatedDisplayName(ExecState* exec)
+{
+ const UString explicitName = displayName(exec);
+
+ if (!explicitName.isEmpty())
+ return explicitName;
+
+ return name(exec);