Joe Lemmer wrote:
>
> I'd like to throw a Non-Antlr exception from one of my rules in a Parser. I'm
> using ANTLR v3
> I've tried to find some documentation and came across some stuff for ANTLR v2
> that says the following:
>
> To specify that your parser (or
> tree parser rule) can throw a non-ANTLR specific exception, use the
> exceptions clause. For example, here is a simple parser specification
> with a rule that throws MyException:
>
> class P extends Parser;
>
> a throws MyException
> : A
> ;
The "throws" keyword in a grammar (currently) has no effect.
(I don't know if that worked in v2, it doesn't in v3.)
There is no possibility to add a checked exception to a rule.
You must use RuntimeExceptions.
Joachim
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Joachim Schrod Email: [email protected]
Roedermark, Germany
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