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From: Markus Elfring <>
To: Julia Lawall <>
Cc: Coccinelle <>
Subject: Re: [Cocci] Adding code after function return types with SmPL
Date: Tue, 8 Oct 2019 13:56:39 +0200
Message-ID: <> (raw)
In-Reply-To: <alpine.DEB.2.21.1910072244150.2578@hadrien>

>> Will the addition of such an annotation in a function declaration
>> become supported for the semantic patch language?
> Perhaps some day.

The desired modification for a known preprocessor symbol like “__must_check”
points software development challenges out.

But the following SmPL script variant gets accepted.

identifier f;
type rt != void;
+__attribute__ ((warn_unused_result))

Can further improvements become easier also for another transformation approach?

-__attribute__ ((warn_unused_result))

elfring@Sonne:~/Projekte/Coccinelle/janitor> spatch --parse-cocci use_must_check5.cocci
init_defs_builtins: /usr/local/bin/../lib/coccinelle/standard.h
File "use_must_check5.cocci", line 3, column 1, charpos = 18
  around = '__attribute__',
  whole content = -__attribute__ ((warn_unused_result))

Would any additional error information be helpful here?

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Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-07 12:48 Markus Elfring
2019-10-07 20:44 ` Julia Lawall
2019-10-08 11:56   ` Markus Elfring [this message]
2019-10-07 12:48 Markus Elfring

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