From: Julia Lawall <julia.lawall@lip6.fr>
To: SF Markus Elfring <elfring@users.sourceforge.net>
Cc: Coccinelle <cocci@systeme.lip6.fr>
Subject: Re: [Cocci] Deleting unused declarations for variables with SmPL?
Date: Thu, 27 Dec 2018 20:49:57 +0100 (CET) [thread overview]
Message-ID: <alpine.DEB.2.21.1812272049150.2393@hadrien> (raw)
In-Reply-To: <36f19c49-a6e9-11f1-2bb8-c22ad3ca8e54@users.sourceforge.net>
On Thu, 27 Dec 2018, SF Markus Elfring wrote:
> > If you have a problem, provide a complete example.
>
> Do you find software development difficulties easier
> to clarify based on source code analysis by a SmPL script
> like the following?
>
> @find@
> identifier f, x;
> type ft, xt;
> @@
> ft f(...)
> {
> ... when any
> xt x;
> ... when != x
> }
>
> @show@
> identifier find.f, find.x;
> type find.ft, find.xt;
> @@
> ft f(...)
> {
> ... when any
> xt x;
> ...
> *x
> ...
> }
I don't know what you expect the second rule to do, but it will only match
when there exists a control-flow path through the function where x is
referenced exactly once.
julia
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next prev parent reply other threads:[~2018-12-27 19:59 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-25 13:40 [Cocci] Deleting unused declarations for variables with SmPL? SF Markus Elfring
2018-12-25 13:45 ` Julia Lawall
[not found] ` <7d528a6a-33fd-c8ff-e703-c8ff47908e90@users.sourceforge.net>
2018-12-25 14:09 ` Julia Lawall
[not found] ` <a6c91cf5-4ff3-9088-0b58-b0039e495d58@users.sourceforge.net>
[not found] ` <alpine.DEB.2.21.1812251700080.8365@hadrien>
[not found] ` <88be4433-a617-056e-3dee-495a41e46110@users.sourceforge.net>
[not found] ` <alpine.DEB.2.21.1812251734590.8365@hadrien>
[not found] ` <afd513b0-e16a-a5ca-088f-244a31097f9d@users.sourceforge.net>
[not found] ` <f1884111-1762-b96e-7f08-c327704e5ba0@users.sourceforge.net>
[not found] ` <alpine.DEB.2.21.1812251823440.8365@hadrien>
[not found] ` <ff650b4e-5058-e2d6-9815-4f8372ed32c1@users.sourceforge.net>
[not found] ` <alpine.DEB.2.21.1812271622350.2457@hadrien>
[not found] ` <36f19c49-a6e9-11f1-2bb8-c22ad3ca8e54@users.sourceforge.net>
2018-12-27 19:49 ` Julia Lawall [this message]
2018-12-28 9:50 ` Julia Lawall
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