[antlr-interest] Re: Problem with x: (A)(B)? ;
lgcraymer
lgc at mail1.jpl.nasa.gov
Tue Feb 24 11:50:18 PST 2004
You probably have no rule which references x--ANTLR automatically assumes that x will be invoked as an entry point to the grammar.
--Loring
--- In antlr-interest at yahoogroups.com, "dotlessbraille" <easjolly at i...> wrote:
> I have a question about the simple parser rule
> x: (A)(B)? ;
> The generated Java for the rule requires an
> EOF if there is not a B. What am I doing wrong?
>
> match(A);
> switch ( LA(1)) {
> case B:
> match(B);
> break; {
> case EOF:
> break;
> default:
> throw new NoViableAltException(...);
> }
>
> Thanks!
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