[antlr-interest] ANTLR 3.1.3 performance issue

[Gerz, Michael]

Hello everybody,
 
I tested ANTLR 3.1.3 this morning but it still has the same serious performance problem that was introduced shortly before the final release of ANTLR 3.1(.0).
 
For a grammar that is very similar to the Java 5 grammar (including tree grammar and string templates), the parsing time seems to grow quadratically with the input size. Thus, for a 750KB file, the parser performance becomes inacceptable.
 
I hope that this bug will be fixed in the near future. For the time being, it seems I have to revert to my pre-3.1 snapshot.
 
Is there any chance that this bug will be fixed eventually?
 
Best regards,
 
Michael
 
************************************************************************
Dr. Michael Gerz 
FGAN e.V.                                       Phone:  +49 228 9435-414
Department FKIE/ITF                             Fax:    +49 228 9435-685
Neuenahrer Straße 20                            E-Mail: gerz at fgan.de <mailto:gerz at fgan.de>  
53343 Wachtberg-Werthhoven, Germany             WWW:    www.fgan.de <http://www.fgan.de/>  
 
Forschungsgesellschaft für Angewandte Naturwissenschaften e. V. (FGAN) 
Sitz der Gesellschaft: Bonn 
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