[antlr-interest] Dumb newbie question dept: Anyway to simulate lexical states?

[Gerald Rosenberg]

------ Original Message (Wednesday, June 23, 2010 11:34:09 
AM) From: scott_boag ------
Subject: [antlr-interest] Dumb newbie question dept: Anyway to simulate 
lexical states?
> So, the concrete question is, is it possible in ANTLR3 to filter out sets
> of tokens based on a predicates
>    
The short answer is, yes.  Without knowing more about the problem you 
are having, I can only guess that you may be failing to recognize that 
the lexer is effectively k=1.  An easy solution is to not leave gaps in 
predicate predictions.