[antlr-interest] protected weakness?
Ric Klaren
klaren at cs.utwente.nl
Wed Apr 21 02:21:02 PDT 2004
On Fri, Apr 09, 2004 at 10:52:50PM -0000, idontwantanidwith2000init wrote:
> consider this: (taken from the faq}
>
> ID_OR_NUM : DIGITS (ID {$setType(ID);} | {$setType(NUMBER);}) ;
>
> where ID and NUMBER are protected...
>
> will the parser get ID or NUMBER?
Depends on the input ;) But both ID and NUMBER would be valid return tokens.
$setType() sets the token type regardless without any protected checking.
Cheers,
Ric
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---- Ric Klaren ----- j.klaren at utwente.nl ----- +31 53 4893722 ----
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