Changeset 2769 in webkit for trunk/JavaScriptCore/kjs/identifier.cpp

Timestamp:

Nov 19, 2002, 5:23:02 PM (23 years ago)

Author:

darin

Message:

• another step towards atomic identifiers; storing hash in the string rep. gives about a 1.5% speedup in the JavaScript iBench

• kjs/ustring.h: Add a hash field to UString::Rep.
• kjs/ustring.cpp: (UString::Rep::create): Set hash to uninitialized value. (UString::Rep::destroy): Do the deleting in her, and call Identifier if needed. (UString::Rep::computeHash): Added. (UString::append): Set hash to 0 when modifying the string in place. (UString::operator=): Ditto.

• kjs/property_map.cpp: Use the hash from UString.

• kjs/identifier.h: Added aboutToDestroyUStringRep.
• kjs/identifier.cpp: (Identifier::aboutToDestroyUStringRep): Added.

File:

• trunk/JavaScriptCore/kjs/identifier.cpp (modified) (1 diff)

trunk/JavaScriptCore/kjs/identifier.cpp

@@ -31 +31 @@
 }
 
+void Identifier::aboutToDestroyUStringRep(UString::Rep *)
+{
+}
+
 } // namespace KJS