Greetings!
On Tue, 2010-11-09 at 15:26 +0100, Oliver Zeigermann wrote:
> Folks!
>
> This is my grammar
>
> ------------------
> SHRASS : '>>=' ;
> SEMI : ';' ;
> GT : '>';
>
> rule : (GT | SEMI | SHRASS)+ ;
> ------------------
>
> I though it should parse
>
> >>;
>
> into a token stream of
>
> GT GT SEMI
>
> but as I see both at runtime as well is in the mToken method it tries
> to match the above input using SHRASS. Which of course fails.
>
> Any hints what I could do to work around that?
>
untested!
but I believe this should work:
tokens { SHRASS; } // e.g. add SHRASS to your tokens section
...
...
// delete the SHRASS rule
GT : '>' ( '>=' {$type = SHRASS;} )?
hope this helps...
-jbb
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