[antlr-interest] Need help with EOL mess

[Anthony W Youngman]

 Seems to me it's confusing "\r\n" and '\r' (which would make sense).

Can you combine these two rules as "'\r' ('\n')?"?

Cheers,
Wol

-----Original Message-----
From: skappskapp [mailto:skapp at rochester.rr.com] 
Sent: 15 December 2003 16:37
To: antlr-interest at yahoogroups.com
Subject: [antlr-interest] Need help with EOL mess


Here is my whitespace definition from the grammar file:

WHITESPACE
    // This rule matches and discards any whitespace.
    : ( ' '
      | '\t'
      | ( options { generateAmbigWarnings=false; }
          : "\r\n"          { newline(); }      // Microsoft
          | '\r'            { newline(); }      // Macintosh
          | '\n'            { newline(); }      // Unix
        )
      )+  { $setType(Token.SKIP); }
    ;

This *does* generate ambiguous warnings but I don't know how to 
address this. Does anyone have any suggestions?

Regards,

   Steve





 

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