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From: Julia Lawall <julia.lawall@inria.fr>
To: Markus Elfring <Markus.Elfring@web.de>
Cc: Coccinelle <cocci@systeme.lip6.fr>
Subject: Re: [Cocci] Checking support for compound expressions (according to #define directives)
Date: Mon, 5 Apr 2021 09:54:31 +0200 (CEST)
Message-ID: <alpine.DEB.2.22.394.2104050953290.2981@hadrien> (raw)
In-Reply-To: <8561006e-7dc6-0f62-ecf0-c93146976925@web.de>


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On Mon, 5 Apr 2021, Markus Elfring wrote:

> >> @display@
> >> identifier i =~ "^(?:[A-Z]+_){3,3}[A-Z]+", x;
> >> constant c =~ "\"";
> >> @@
> >> *#define i x c
> >>
> >>
> >> elfring@Sonne:~/Projekte/Coccinelle/janitor> spatch --parse-cocci show_define_usage6.cocci
> >> …
> >> minus: parse error:
> >>   File "show_define_usage6.cocci", line 5, column 13, charpos = 92
> >>   around = 'c',
> >>   whole content = *#define i x c
> >
> > No.  You have to match the expression and then check it using python.
>
> I find this view improvable.
>
> I would like to avoid the repetition of parsing efforts as much as possible.
> Under which circumstances can replacement lists be taken better into account?

Why does my suggestion involve a repetition of parsing effort?  You want
to use a regexp.  I'm asking you to put the regexp in a python function.

julia

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Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-28  7:19 [Cocci] Replacing #define directives with the help of SmPL Markus Elfring
2021-03-28  9:29 ` Julia Lawall
     [not found]   ` <1b5f6d22-5b89-097f-37bd-13b3b2ab011a@web.de>
2021-03-28 10:47     ` Julia Lawall
     [not found]       ` <173fa182-4127-aaba-262e-e3953a81a1e2@web.de>
2021-03-28 11:46         ` Julia Lawall
     [not found]           ` <b80fe77f-0a11-2000-522e-836c9368eaa6@web.de>
2021-03-28 12:48             ` Julia Lawall
     [not found]           ` <b761969f-181b-5951-0730-11c340e236ab@web.de>
2021-03-28 14:08             ` Julia Lawall
     [not found]           ` <f720b262-708f-a603-3470-b374db625578@web.de>
2021-03-28 14:45             ` Julia Lawall
     [not found]               ` <fa66fce2-e60e-1907-7c8b-fd9ceedb8086@web.de>
2021-04-04 11:58                 ` [Cocci] Excluding quotes from strings of #define directives Julia Lawall
2021-04-04 12:11                   ` Markus Elfring
2021-04-04 12:19                     ` Julia Lawall
     [not found]                       ` <b9f6aceb-7e68-303d-bd1e-d41a7992b58b@web.de>
2021-04-05  7:09                         ` [Cocci] Checking support for compound expressions (according to #define directives) Julia Lawall
     [not found]                           ` <8561006e-7dc6-0f62-ecf0-c93146976925@web.de>
2021-04-05  7:54                             ` Julia Lawall [this message]
2021-04-05  8:46                               ` Markus Elfring
2021-04-05  8:53                                 ` Julia Lawall
2021-04-05 10:37                               ` [Cocci] Improve the handling of string literals with SmPL Markus Elfring
     [not found]       ` <eaa316bd-4c73-fcbb-bfad-20426348b1c2@web.de>
2021-03-28 15:17         ` [Cocci] Replacing #define directives with the help of SmPL Julia Lawall

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