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From: Julia Lawall <julia.lawall@inria.fr>
To: Markus Elfring <Markus.Elfring@web.de>
Cc: kernel-janitors@vger.kernel.org, cocci@systeme.lip6.fr,
	linux-kernel@vger.kernel.org
Subject: Re: [Cocci] [PATCH] coccinelle: misc: add swap script
Date: Thu, 18 Feb 2021 21:03:16 +0100 (CET)
Message-ID: <alpine.DEB.2.22.394.2102182102500.2748@hadrien> (raw)
In-Reply-To: <50eb8319-a552-c749-6143-7e24a8778a04@web.de>



On Thu, 18 Feb 2021, Markus Elfring wrote:

> > A disjunction basically says "at this node in the cfg, can I match the
> > first patter, or can I match the second pattern, etc."  Unfortunately in
> > this case the two branches start matching at different nodes, so the short
> > circuit aspect of a disjunction isn't used, and it matches both patterns.
> >
> > The solution is to just make two rules.  The first for the if case and the
> > second for everything else.
>
> Will such feedback trigger further software development considerations?

No.  This is never going to change, until someone completely redesigns
Coccinelle.

julia
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Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-16  8:01 Denis Efremov
2021-02-16 18:05 ` Markus Elfring
2021-02-17 21:31 ` Julia Lawall
2021-02-18  6:13   ` Denis Efremov
2021-02-18 10:17     ` Julia Lawall
2021-02-18 11:03       ` Denis Efremov
2021-02-18 11:29         ` Julia Lawall
2021-02-18 11:34           ` Denis Efremov
     [not found]       ` <50eb8319-a552-c749-6143-7e24a8778a04@web.de>
2021-02-18 20:03         ` Julia Lawall [this message]
2021-02-19  9:05 ` [Cocci] [PATCH v2] coccinelle: misc: add minmax script Denis Efremov
2021-02-19  9:07   ` Denis Efremov
2021-02-19  9:24 ` [Cocci] [PATCH v2] coccinelle: misc: add swap script Denis Efremov
2021-03-03 16:37   ` Julia Lawall
2021-03-05 10:09 ` [Cocci] [PATCH v3] " Denis Efremov
     [not found]   ` <afb06bbc-5c28-8a92-f205-c9a1c87c707c@linux.com>
2021-04-04 12:33     ` Julia Lawall

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