Your lexer does not cover all possibilities such as \n \r, space etc. Add as
the last rule:
ANY : . { skip(); } ;
Jim
> -----Original Message-----
> From: [email protected] [mailto:antlr-interest-
> [email protected]] On Behalf Of Timm Meyer
> Sent: Friday, February 05, 2010 11:51 AM
> To: [email protected]
> Subject: [antlr-interest] Simple Parser Problem?
>
> Hi there,
>
> I hope this is not a too simple problem, but I am searching for hours
> for a solution.
>
> The grammar is:
>
> headerword
> : (HEADERWORDCHAR | WORDCHAR)
> (DIGIT | HEADERWORDCHAR | WORDCHAR)*;
>
>
> DIGIT : '0'..'9' ;
> WORDCHAR : ('a'..'z' | 'A'..'Z');
> HEADERWORDCHAR : ( '$' | '&' | '(' | ')' | ',' | '.' | '+' | '[' | ']'
> |
> '\'');
>
> And everey time I try to match
> (137394948)
> or
> (137394948)7
>
> I get a NoViableAltException.
>
> Could anyone explain to me what I am doing wrong here?
>
> Cheers, Timm
>
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