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From: Julia Lawall <julia.lawall@inria.fr>
To: Markus Elfring <Markus.Elfring@web.de>
Cc: cocci@systeme.lip6.fr
Subject: Re: [Cocci] [00/43] cocci: Add support for meta attributes to SmPL
Date: Sun, 2 Aug 2020 18:16:25 +0200 (CEST)
Message-ID: <alpine.DEB.2.22.394.2008021814220.2531@hadrien> (raw)
In-Reply-To: <c1822815-456f-316d-93b5-88beb55a0d69@web.de>


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On Sun, 2 Aug 2020, Markus Elfring wrote:

> >>> attribute name __attr__; declares that __attr__ is the name of an attribute.
> >>
> >> Is this specification also a declaration of a metavariable?
> >
> > No.
>
> How do you distinguish between metavariables and other SmPL variables then?

Metavariables don't have "name" in their declaration.  There is a sentence
about that in the documentation.

The {\bf name} modifier specifies that instead of declaring a metavariable
to match over some kind, the identifiers are to be considered as elements
of that kind when they appear in the code.

"instead of declaring a metavariable" says that the thing that is declared
is not a metavariable.

julia


>
>
> >> Will a more helpful explanation be added to the software documentation
> >> like the SmPL manual?
> >> https://github.com/coccinelle/coccinelle/blob/e06b9156dfa02a28cf3cbf0913a10513f3d163ab/docs/manual/cocci_syntax.tex#L452
> >
> > The discussion of attribute name and name in general already seems clear enough.
>
> I got an other impression.
>
>
> >> Which display do you get for the command “spatch --parse-cocci tests/metaattr.cocci”
> >> according to the discussed development version of your software?
> >
> > There is no warning.  The code is now on github.  You can test it yourself.
>
> Should software users get informed about unused items in consistent ways?
> https://github.com/coccinelle/coccinelle/blob/04f36d537b9f6c0c127d05184cccd21f1a46b952/parsing_cocci/check_meta.ml#L711
>
> Regards,
> Markus
>

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Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <e4f3c4e8-03e8-dbc2-5871-0d111b3086a4@web.de>
2020-08-02  7:06 ` [Cocci] [PATCH 00/43] " Julia Lawall
     [not found]   ` <eead5e2a-da8d-83cd-eeb4-f193702b800f@web.de>
2020-08-02 11:48     ` Julia Lawall
     [not found]       ` <82af6b44-ea09-b86f-81f7-e96e8594a31d@web.de>
2020-08-02 13:13         ` [Cocci] [00/43] " Julia Lawall
     [not found]           ` <065fee88-5206-5d9b-c83c-4e6a20aefd85@web.de>
2020-08-02 14:34             ` Julia Lawall
     [not found]               ` <8f357aa0-7811-a5b8-a061-814899654e88@web.de>
2020-08-02 15:34                 ` Julia Lawall
     [not found]                   ` <c1822815-456f-316d-93b5-88beb55a0d69@web.de>
2020-08-02 16:16                     ` Julia Lawall [this message]
     [not found]                       ` <74a5a472-4431-46e7-bd8b-95886f031c93@web.de>
2020-08-02 17:00                         ` Julia Lawall
     [not found]                           ` <3474ebf5-c902-63e9-8244-08a0f3407b72@web.de>
2020-08-03  5:46                             ` Julia Lawall
2020-08-03  8:22                             ` Jaskaran Singh
     [not found]                               ` <04cb5eb3-bed8-9e8e-255b-fbae06144016@web.de>
2020-08-08 11:35                                 ` Jaskaran Singh

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