[antlr-interest] Selectively disabling lexer rules

[Martin Traverso]

>
> Hmm...I wonder if you try the other way:
>
> CHAR_LIT : {Character.isIdentifierChar(input.LA (3))}? '?' ~' ' ;
>
> QUESTION : '?' ;
>


I guess you meant !Character.isIdentifierChar(...), right?

But anyway, that won't prevent CHAR_LIT from matching in the expression "a
?b : c", will it?

Martin
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