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Re: %destructor feedback
From: |
Frank Heckenbach |
Subject: |
Re: %destructor feedback |
Date: |
Wed, 21 Dec 2005 19:06:00 +0100 |
User-agent: |
semail 20050409 |
Paul Eggert wrote:
> Akim Demaille <address@hidden> writes:
>
> > Do we agree that:
> >
> > - we desire a warning about typed $n not used in the actions.
>
> Yes, that sounds reasonable. My assumption is that a missing action
> continues to be treated as { $$ = $1; }, so for missing actions Bison
> would warn about typed $2, $3, etc., not used but would not warn about
> typed $1 not used.
BTW, $$ = $1; is also performed if there are explicit actions
(before the explicit actions), so it seems Bison should never warn
about a typed $1 not used.
Frank
--
Frank Heckenbach, address@hidden
http://fjf.gnu.de/
GnuPG and PGP keys: http://fjf.gnu.de/plan (7977168E)
- Re: %destructor feedback, (continued)
- Re: %destructor feedback, Akim Demaille, 2005/12/21
- Re: %destructor feedback, Joel E. Denny, 2005/12/21
- Re: %destructor feedback, Akim Demaille, 2005/12/21
- Re: %destructor feedback, Joel E. Denny, 2005/12/21
- Re: %destructor feedback, Akim Demaille, 2005/12/22
- Re: %destructor feedback,
Frank Heckenbach <=
- Re: %destructor feedback, Joel E. Denny, 2005/12/21
- Re: %destructor feedback, Paul Eggert, 2005/12/21
- Re: %destructor feedback, Akim Demaille, 2005/12/22
- Re: %destructor feedback, Joel E. Denny, 2005/12/22
- Re: %destructor feedback, Akim Demaille, 2005/12/23
- Re: %destructor feedback, Akim Demaille, 2005/12/27
- Re: %destructor feedback, Akim Demaille, 2005/12/27
- Re: %destructor feedback, Frank Heckenbach, 2005/12/29
Re: %destructor feedback, SteveBravy, 2005/12/22