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From: Markus Elfring <Markus.Elfring@web.de>
To: Julia Lawall <julia.lawall@lip6.fr>
Cc: cocci@systeme.lip6.fr
Subject: Re: [Cocci] How to replace obsolete #ifdef's?
Date: Fri, 7 Jun 2019 19:26:22 +0200
Message-ID: <301dcd73-1290-3768-080e-101e78893675@web.de> (raw)
In-Reply-To: <alpine.DEB.2.20.1906071833010.14523@hadrien>

>> Will similar software updates become more challenging for the initially
>> described handling of designated initialisers for known data structures?
>
> This is in the spirit of the solution I already proposed.

How do you think about the following SmPL transformation approach?

@replacement@
constant text;
expression value;
identifier my_name;
type driver_type;
@@
 static driver_type my_name =
 {
 .driver =
 {
-.name = text,
+.name = text,
 .of_match_table =
+                  of_match_ptr(
                                value
+                              )
 ,
 }, ...
 };


Test result:
elfring@Sonne:~/Projekte/Linux/next-patched> spatch ~/Projekte/Coccinelle/Probe/Weigelt5.cocci sound/soc/codecs/pcm3060-i2c.c
…
@@ -43,10 +43,10 @@ MODULE_DEVICE_TABLE(of, pcm3060_of_match
 #endif /* CONFIG_OF */

 static struct i2c_driver pcm3060_i2c_driver = {
+#ifdef CONFIG_OF
 	.driver = {
 		.name = "pcm3060",
-#ifdef CONFIG_OF
-		.of_match_table = pcm3060_of_match,
+		.of_match_table = of_match_ptr(pcm3060_of_match),
 #endif /* CONFIG_OF */
 	},
 	.id_table = pcm3060_i2c_id,


I would find it questionable that the software combination
“Coccinelle 1.0.7-00206-gfdcc6d79 (OCaml 4.07.1)” suggests to move
a conditional preprocessor statement to an other source code place.

Regards,
Markus
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  reply index

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-05 16:25 [Cocci] how to replace obsolete #ifdef's Enrico Weigelt, metux IT consult
2019-06-05 19:51 ` [Cocci] How to replace obsolete #ifdef's? Markus Elfring
2019-06-05 20:52 ` [Cocci] how to replace obsolete #ifdef's Julia Lawall
2019-06-05 21:42   ` Enrico Weigelt, metux IT consult
2019-06-06  5:46     ` Julia Lawall
2019-06-06  9:30       ` [Cocci] How to replace obsolete #ifdef's? Markus Elfring
2019-06-06 10:34         ` Julia Lawall
2019-06-06 14:20           ` Markus Elfring
2019-06-06 15:34             ` David Young
2019-06-07 12:01           ` Enrico Weigelt, metux IT consult
2019-06-07 12:30             ` Julia Lawall
2019-06-06  9:15     ` Markus Elfring
2019-06-06  9:39       ` Julia Lawall
2019-06-07 12:05         ` Enrico Weigelt, metux IT consult
2019-06-07 12:32           ` Julia Lawall
2019-06-07 13:40             ` Markus Elfring
2019-06-07 16:33               ` Julia Lawall
2019-06-07 17:26                 ` Markus Elfring [this message]
2019-06-07 17:36                 ` Markus Elfring
2019-06-07 18:48 ` Markus Elfring
2019-06-07 18:59   ` Julia Lawall
2019-06-08  7:49   ` [Cocci] Handling of designated initialisers by SmPL? Markus Elfring

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