linux/scripts/coccinelle/tests/doubletest.cocci
Julia Lawall 97c1cf8fdb Coccinelle: Find doubled arguments to boolean or bit operators.
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Nicolas Palix <npalix.work@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2010-10-28 00:32:23 +02:00

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/// Find &&/|| operations that include the same argument more than once
//# A common source of false positives is when the argument performs a side
//# effect.
///
// Confidence: Moderate
// Copyright: (C) 2010 Nicolas Palix, DIKU. GPLv2.
// Copyright: (C) 2010 Julia Lawall, DIKU. GPLv2.
// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6. GPLv2.
// URL: http://coccinelle.lip6.fr/
// Comments:
// Options: -no_includes -include_headers
virtual context
virtual org
virtual report
@r expression@
expression E;
position p;
@@
(
* 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 ||")