[il-antlr-interest: 22007] Re: [antlr-interest] When a comment not a comment

Thu, 19 Feb 2009 16:45:34 -0800

Peterson, Joe wrote: 
Michael,

Thanks for the response.  You suggested:
  
NONCOMMENT  : '#ABCD' { $channel = HIDDEN; };
COMMENT     : '#' ~('\r' | '\n')* NEWLINE   { $channel = HIDDEN; };
NEWLINE     : '\r' ('\n')? | '\n';
    

I've tried that but then a line like the one below is treated as a comment:
        #ABCD this = that
Apparently unless you set it to fuzzy, you get the longest match.  I can't turn on fuzzy, so I need to figure out another method.

-JEEP


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COMMENT : '#'
                         (
                              ( 'ABCD')=> 'ABCD'
                            | ~('\r' | '\n')* NEWLINE
                         )
                         { $channel = HIDDEN; }
                      ;

NEWLINE     : '\r' ('\n')? | '\n';


Jim

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