From: Julia Lawall <julia.lawall@inria.fr>
To: Markus Elfring <Markus.Elfring@web.de>
Cc: Coccinelle <cocci@systeme.lip6.fr>
Subject: Re: [Cocci] Reporting variations of condition checks according to function calls
Date: Sun, 12 Apr 2020 16:41:51 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.21.2004121641310.2419@hadrien> (raw)
In-Reply-To: <47a4593f-986a-b528-a537-8a94105195f1@web.de>
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On Sun, 12 Apr 2020, Markus Elfring wrote:
> >>>> @display2@
> >>>> expression check;
> >>>> position display1.p;
> >>>> statement display1.is, display1.es;
> >>>
> >>> The problem is that you inherit es. Since you inherit it, Coccinelle
> >>> considers that its presence is important, and so the isomorphism will not
> >>> eliminate it.
> >>
> >> Thanks for your explanation of such consequences by the metavariable inheritance.
>
> It seems that the specification of the inheritance for the metavariable “es”
> can be (temporarily) omitted as a workaround.
>
>
> >>> It is sufficient to make another pattern for the case with no else.
> >>
> >> I might stumble on another software design conflict (or the need
> >> for corresponding software extensions).
> >>
> >> I tried the specification of the SmPL rule “display2” out because I wanted
> >> to determine the source code which was matched by the SmPL nest construct
> >> in the SmPL rule “display1”.
> >> The specification of a SmPL disjunction in the first rule would trigger
> >> other known development difficulties (or open issues), wouldn't it?
> >
> > No idea.
>
> I would prefer to find the shown statement combination by a single SmPL rule.
> Can the matched source code from the construct “<+... e ...+>” be assigned
> to a metavariable like “check”?
(
<+... e ...+>
&
check
)
julia
>
> Regards,
> Markus
>
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next prev parent reply other threads:[~2020-04-12 14:42 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-10 15:07 [Cocci] Searching for functions with negative return values as error indication Markus Elfring
2020-04-10 15:12 ` Julia Lawall
2020-04-10 16:01 ` Markus Elfring
2020-04-11 13:43 ` [Cocci] Reporting variations of condition checks according to function calls Markus Elfring
2020-04-11 14:01 ` Julia Lawall
2020-04-11 14:06 ` Markus Elfring
2020-04-11 17:25 ` Markus Elfring
[not found] ` <alpine.DEB.2.21.2004112036270.2369@hadrien>
2020-04-11 18:50 ` Markus Elfring
2020-04-12 8:06 ` [Cocci] More support for SmPL data processing with databases? Markus Elfring
2020-04-12 8:51 ` Julia Lawall
2020-04-12 9:01 ` Markus Elfring
[not found] ` <alpine.DEB.2.21.2004121115210.2419@hadrien>
2020-04-12 9:27 ` [Cocci] Checking the application of the SmPL isomorphism “drop_else” Markus Elfring
2020-05-03 9:08 ` Markus Elfring
2020-04-12 16:52 ` [Cocci] More support for SmPL data processing with databases? Markus Elfring
[not found] ` <alpine.DEB.2.21.2004121904290.2419@hadrien>
2020-04-12 17:14 ` Markus Elfring
2020-04-13 7:10 ` Markus Elfring
[not found] ` <alpine.DEB.2.21.2004130957540.3035@hadrien>
2020-04-13 8:23 ` Markus Elfring
[not found] ` <alpine.DEB.2.21.2004131029330.3035@hadrien>
2020-04-13 8:47 ` Markus Elfring
[not found] ` <alpine.DEB.2.21.2004131056350.3035@hadrien>
2020-04-13 9:03 ` Markus Elfring
[not found] ` <alpine.DEB.2.21.2004131031130.3035@hadrien>
2020-04-13 8:58 ` Markus Elfring
2020-04-13 12:48 ` Markus Elfring
2020-04-13 13:57 ` Julia Lawall
2020-04-13 14:23 ` Markus Elfring
[not found] ` <alpine.DEB.2.21.2004131627470.3035@hadrien>
2020-04-13 14:50 ` Markus Elfring
2020-04-13 14:59 ` Julia Lawall
2020-04-13 15:19 ` Markus Elfring
2020-04-13 16:00 ` Julia Lawall
2020-04-13 16:08 ` Markus Elfring
2020-04-13 16:10 ` Julia Lawall
2020-04-13 16:14 ` Markus Elfring
2020-04-12 13:01 ` [Cocci] Reporting variations of condition checks according to function calls Markus Elfring
2020-04-12 13:27 ` Julia Lawall
2020-04-12 13:54 ` Markus Elfring
[not found] ` <alpine.DEB.2.21.2004121624180.2419@hadrien>
2020-04-12 14:35 ` Markus Elfring
2020-04-12 14:41 ` Julia Lawall [this message]
2020-04-12 14:48 ` Markus Elfring
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