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Re: too many warnings from Bison CVS for Pike


From: Joel E. Denny
Subject: Re: too many warnings from Bison CVS for Pike
Date: Sat, 28 Jan 2006 22:21:39 -0500 (EST)

On Fri, 27 Jan 2006, Paul Eggert wrote:

> After trying out recent-CVS Bison on a couple of real-world grammars,
> I came to the conclusion that the new warnings cry wolf too often.
> For example, if you use it on the current grammar for Pike
> <http://pike.ida.liu.se/cvs/Pike/7.7/src/language.yacc?1.364>, you get
> 199 warnings, most of them bogus.
> 
> The Pike grammar, and I suspect many other grammars, relies on the
> fact that "$$ = $1" is always executed before the actual action

Is this the only case that causes problems?

Joel




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