Changeset 50704 in webkit for trunk/JavaScriptCore/runtime/Structure.h

Timestamp:

Nov 9, 2009, 6:19:04 PM (16 years ago)

Author:

[email protected]

Message:

Can cache prototype lookups on uncacheable dictionaries.
​https://bugs.webkit.org/show_bug.cgi?id=31198

Reviewed by Gavin Barraclough.

Replace fromDictionaryTransition with flattenDictionaryObject and
flattenDictionaryStructure. This change is necessary as we need to
guarantee that our attempt to convert away from a dictionary structure
will definitely succeed, and in some cases this requires mutating the
object storage itself.

File:

• trunk/JavaScriptCore/runtime/Structure.h (modified) (1 diff)

trunk/JavaScriptCore/runtime/Structure.h

@@ -75 +75 @@
         static PassRefPtr<Structure> toCacheableDictionaryTransition(Structure*);
         static PassRefPtr<Structure> toUncacheableDictionaryTransition(Structure*);
-        static PassRefPtr<Structure> fromDictionaryTransition(Structure*);
+
+        PassRefPtr<Structure> flattenDictionaryStructure(JSObject*);
 
         ~Structure();