[antlr-interest] Help Needed with multiple alternatives
shmuel siegel
antlr at shmuelhome.mine.nu
Tue Feb 26 09:55:15 PST 2008
Jim Idle wrote:
> ...
>
>
>
> In your grammar, the operators it is complaining of can associate with
> the expr that ends the let expr, which is probably what you are
> expecting, or the expr that contains the let as an expr. Your grammar
> allows let to be the expr that is part of a let, so you can have let x
> in let y in let b in g ->yyyy etc . SO, which let clause did you mean
> it to belong to? That is what ANTLR is telling you.
>
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>
> Jim
>
>
>
Jim,
I congratulate you on being able to construct a concrete case that
exhibits the ambiguity. I couldn't do it. Could ANTLR be modified to
output such concrete examples?
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