[antlr-interest] Custom error message for semantic predicate

[Terence Parr]

Hi Oliver, can you catch the SemanticPredicate exception and then  
display the error you want?
Ter
On Jul 24, 2006, at 10:56 AM, Oliver Fischer wrote:

> Hello,
>
> does someone how I can specify an custom error message for semantic
> predicate like "Identifier >abc< is unknown" :
>
> identifier
>  : { isValidIdentifier(LT(1)->getText().data()) }?
>      identifier "=" value NL
>  ;
>
> The standard error message seems to be the predicate itself.
>
> Regards,
>
> Oliver
>