At 04:59 4/11/2008, Robert Soule wrote:
>start
> : LSQUARE AB RSQUARE
> | A
> ;
>AB : ('a'|'b')+;
>
>fragment A: '[a]';
>LSQUARE
> : (A) => A { $type = A; }
> | '['
> ;
>
>RSQUARE : ']';
>
>
>When I test with inputs "[ba]" I pass, but "[ab]" fails.
It works for me (ANTLR 3.0.1). You are using a real compiled
parser, though, right (or ANTLRworks' debugger)? Not the
interpreter? Because the interpreter doesn't execute predicates
(so it almost never works properly).
If I change the start rule given above to this:
start : (LSQUARE AB RSQUARE | A)+ ;
then it'll successfully match the input "[ba][a][ab]".
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