From: Markus Elfring <Markus.Elfring@web.de>
To: Julia Lawall <julia.lawall@lip6.fr>
Cc: Coccinelle <cocci@systeme.lip6.fr>
Subject: Re: [Cocci] Checking for a null pointer with SmPL
Date: Mon, 17 Jun 2019 07:44:17 +0200 [thread overview]
Message-ID: <bbf7e602-0a78-9595-31b1-b4dc70195df2@web.de> (raw)
In-Reply-To: <alpine.DEB.2.21.1906162214390.2537@hadrien>
> In the second case, Coccinelle has no way of knowing that ex is a pointer,
Can the software support pointer expressions better?
> so it doesn't feel motivated to consider that ex should be compared to NULL.
Should an isomorphism specification like “not_ptr2” help here?
https://github.com/coccinelle/coccinelle/blob/19ee1697bf152d37a78a20cefe148775bf4b0e0d/standard.iso#L157
> I would imagine that you would have gooten at least some relevant
> information if you had tried spatch --parse-cocci.
This data display can give useful hints.
Are we waiting also for a more complete software documentation in
such an application area?
Regards,
Markus
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next prev parent reply other threads:[~2019-06-17 5:44 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-16 20:07 [Cocci] Checking for a null pointer with SmPL Markus Elfring
2019-06-16 20:15 ` Julia Lawall
2019-06-17 5:44 ` Markus Elfring [this message]
[not found] ` <alpine.DEB.2.21.1906170747030.2965@hadrien>
2019-06-17 6:04 ` Markus Elfring
2019-06-17 6:07 ` Julia Lawall
2019-06-17 6:14 ` Markus Elfring
[not found] ` <alpine.DEB.2.21.1906170830240.2965@hadrien>
2019-06-17 6:38 ` Markus Elfring
[not found] ` <alpine.DEB.2.20.1906170938530.3699@hadrien>
2019-06-17 16:42 ` Markus Elfring
2019-06-18 6:33 ` Markus Elfring
[not found] ` <alpine.DEB.2.20.1906180936090.3707@hadrien>
2019-06-18 8:10 ` Markus Elfring
2019-06-18 17:27 ` Markus Elfring
[not found] ` <alpine.DEB.2.20.1906181932030.25567@hadrien>
2019-06-18 18:11 ` Markus Elfring
2019-06-19 6:11 ` [Cocci] Handling of pointer expressions by SmPL Markus Elfring
[not found] ` <alpine.DEB.2.21.1906190843070.2687@hadrien>
2019-06-19 7:01 ` Markus Elfring
2019-06-19 8:11 ` Julia Lawall
2019-06-19 8:26 ` Markus Elfring
[not found] ` <alpine.DEB.2.20.1906191223350.3726@hadrien>
2019-06-19 11:20 ` Markus Elfring
[not found] ` <alpine.DEB.2.20.1906191321480.3726@hadrien>
2019-06-19 11:40 ` Markus Elfring
2019-06-19 11:40 ` Markus Elfring
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