Got it! I guess I can do that using 
org.antlr.runtime.debug.DebugEventListener's beginResync (), endResync () & 
consumeToken(Token t) 
http://www.antlr.org/api/Java/interfaceorg_1_1antlr_1_1runtime_1_1debug_1_1_debug_event_listener.html
 

:-) 

----- Original Message ----- 
From: Indhu Bharathi <indh...@s7software.com> 
To: antlr-interest <antlr-inter...@antlr.org> 
Sent: Wednesday, January 21, 2009 5:30:06 PM GMT+0530 Asia/Calcutta 
Subject: [antlr-interest] Highlighting syntax errors 

Hi, 

When I parse an input in ANTLRWorks IDE, I can see which portion of the input 
has errors using the 'input' window in the debugger. Syntax error (handled by 
automatic error recovery) will be highlighted in red. While this is a very 
useful feature, I cannot parse a very big file (approx 1 mb) inside the IDE as 
that would be very slow. Is there a way to do this "error highlighting" outside 
the IDE using the error handling techniques? I looked into chapter 10. But 
didn't get any hint. 

Advanced thanks for any pointers :-) 

- Indhu 



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