Changeset 47605 in webkit for trunk/JavaScriptCore/runtime/StructureTransitionTable.h

Timestamp:

Aug 20, 2009, 4:05:03 PM (16 years ago)

Author:

[email protected]

Message:

EGRESSION: significant slowdown on Celtic Kane "AJAX declaration" subtest
​https://bugs.webkit.org/show_bug.cgi?id=28332

Reviewed by Geoff Garen

Follow up style fixes that were missed in review.

File:

• trunk/JavaScriptCore/runtime/StructureTransitionTable.h (modified) (2 diffs)

trunk/JavaScriptCore/runtime/StructureTransitionTable.h

@@ -70 +70 @@
         typedef HashMap<StructureTransitionTableHash::Key, Transition, StructureTransitionTableHash, StructureTransitionTableHashTraits> TransitionTable;
     public:
-        inline bool contains(const StructureTransitionTableHash::Key& key, JSCell* specificValue);
-        inline Structure* get(const StructureTransitionTableHash::Key& key, JSCell* specificValue) const;
+        // The contains and get methods accept imprecise matches, so if an unspecialised transition exists
+        // for the given key they will consider that transition to be a match.  If a specialised transition
+        // exists and it matches the provided specificValue, get will return the specific transition.
+        inline bool contains(const StructureTransitionTableHash::Key&, JSCell* specificValue);
+        inline Structure* get(const StructureTransitionTableHash::Key&, JSCell* specificValue) const;
         bool hasTransition(const StructureTransitionTableHash::Key& key)
         {
@@ -100 +103 @@
                 m_table.add(key, Transition(0, structure));
             }
-                
 
         }