[antlr-interest] Removing output=AST lets ANTLR fail to generate

[Christian]

Well, can anyone (of the developers) answer please?

> Hi community,
>
> it seems that ANTLR cannot generate the lexer and parser if output=AST
> is removed, but the operators and rewrite rules are still left in the
> grammar. Am I right? If yes, that's really regrettable...and unflexible.
> You could just ignore rewrite rules and operators, if output != AST,
> couldn't you?
>
> Regards,
> Christian