[antlr-interest] Return values for fragment lexer rules

[Christian]

I now use an extended version of CommonToken that additionally contains
a member result. In this way, I can save the result of a Token. However,
I have to set it somehow. How can I access the current token within
action code? I would like to have something like the following:

fragment Pp_expression
  : WHITESPACE? expr=Pp_or_expression WHITESPACE?
    {$this.result = $expr.result;}
  ;

Regards,
Christian

Am 13.01.2012 12:38, schrieb Christian:
> Hello community,
>
> is it right that even fragment lexer rules cannot return any value? The
> CommonToken does not provide any access to such a value.
>
> Regards,
> Christian
>
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