xref: /linux/scripts/coccinelle/tests/doubletest.cocci (revision 827634added7f38b7d724cab1dccdb2b004c13c3)
1/// Find &&/|| operations that include the same argument more than once
2//# A common source of false positives is when the argument performs a side
3//# effect.
4///
5// Confidence: Moderate
6// Copyright: (C) 2010 Nicolas Palix, DIKU.  GPLv2.
7// Copyright: (C) 2010 Julia Lawall, DIKU.  GPLv2.
8// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
9// URL: http://coccinelle.lip6.fr/
10// Comments:
11// Options: --no-includes --include-headers
12
13virtual context
14virtual org
15virtual report
16
17@r expression@
18expression E;
19position p;
20@@
21
22(
23* E@p
24  || ... || E
25|
26* E@p
27  && ... && E
28)
29
30@script:python depends on org@
31p << r.p;
32@@
33
34cocci.print_main("duplicated argument to && or ||",p)
35
36@script:python depends on report@
37p << r.p;
38@@
39
40coccilib.report.print_report(p[0],"duplicated argument to && or ||")
41