[antlr-interest] customizing error messages for syntactic predicates

[Carter Cheng]

--- On Fri, 1/23/09, Jim Idle <jimi at temporal-wave.com> wrote:

> From: Jim Idle <jimi at temporal-wave.com>
> Subject: Re: [antlr-interest] customizing error messages for syntactic predicates
> To: 
> Cc: antlr-interest at antlr.org
> Date: Friday, January 23, 2009, 10:31 AM
> Carter Cheng wrote:
> > Hello,
> >
> > This is probably something that is quite easy- but how
> does one go about customizing error messages resulting from
> a predicate type check? The standard error messages can be
> rather cryptic.
> >   
> 
> Do you mean things like "predicate failed."? If
> you get that it means 
> you have not covered all the alts and need to supply more
> options to the 
> grammar :-)
> 
> Jim
> 
> 
> 
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