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Re: [PATCH] api.push-pull: complain about YYSTACK_USE_ALLOCA=1.
From: |
Joel E. Denny |
Subject: |
Re: [PATCH] api.push-pull: complain about YYSTACK_USE_ALLOCA=1. |
Date: |
Sat, 26 Sep 2009 00:35:21 -0400 (EDT) |
User-agent: |
Alpine 1.00 (DEB 882 2007-12-20) |
On Wed, 16 Sep 2009, Akim Demaille wrote:
> Le 13 sept. 2009 à 22:01, Joel E. Denny a écrit :
>
> > I'd like to push this patch to master, branch-2.5, and branch-2.4.2 so
> > that push parser users are informed that they can't set
> > YYSTACK_USE_ALLOCA=1. The only way I can see to do this is with #error in
> > yacc.c. However, I don't see any other use of #error in the skeletons.
> > Is there any reason not to use it?
>
> In a distant past, when free(0) could not be trusted, there was also compilers
> (well, preprocessors), that die on #unknown directives, even if inside a
> skipped #if section.
>
> I suppose this is no longer the case, so let's do it. But I wouldn't in 2.4.2
> though. Let's drop knr completely in 2.5, not before.
Thanks. I wasn't aware of that history. Given that the poll will offer
the possibility of maintaining K&R, perhaps I should wait until we get
some poll results.
BTW, we should state a time limit for the poll at least as far as it will
affect the 2.5 release.