// SPDX-License-Identifier: GPL-2.0-only
/// Find bit operations that include the same argument more than once
//# One source of false positives is when the argument performs a side
//# effect. Another source of false positives is when a neutral value
//# such as 0 for | is used to indicate no information, to maintain the
//# same structure as other similar expressions
///
// Confidence: Moderate
// Copyright: (C) 2010 Nicolas Palix, DIKU.
// Copyright: (C) 2010 Julia Lawall, DIKU.
// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.
// URL:
https://coccinelle.gitlabpages.inria.fr/website
// Comments:
// Options: --no-includes --include-headers
virtual context
virtual org
virtual report
@r expression@
expression E;
position p;
@@
(
* E@p
& ... & E
|
* E@p
| ... | E
|
* E@p
& ... & !E
|
* E@p
| ... | !E
|
* !E@p
& ... & E
|
* !E@p
| ... | E
)
@script:python depends on org@
p << r.p;
@@
cocci.print_main("duplicated argument to & or |",p)
@script:python depends on report@
p << r.p;
@@
coccilib.report.print_report(p[0],"duplicated argument to & or |")
