[antlr-interest] Re: changing a token type at the parser level

Mark Lentczner markl at glyphic.com
Fri May 14 15:48:20 PDT 2004


> Unfortunately, whenever I have an empty rule like:
>
> empty: ;
>
> in my parser, the generated java does not compile since it comlains
> about an unreachable catch block since an empty rule will not throw a
> RecognitionException:

> Any ideas?
How'z'bout:

empty options{defaultErrorHandler=false;}: ;

See:
	http://www.antlr.org/doc/options.html#defaultErrorHandler

Sorry I didn't catch that...

	- Mark

Mark Lentczner
markl at wheatfarm.org
http://www.wheatfarm.org/



 
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