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// SPDX-License-Identifier: GPL-2.0-only
/// Find &&/|| operations that include the same argument more than once
//# A common source of false positives is when the expression, or
//# another expresssion in the same && or || operation, performs a
//# side effect.
///
// Confidence: Moderate
// Copyright: (C) 2010 Nicolas Palix, DIKU.
// Copyright: (C) 2010 Julia Lawall, DIKU.
// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.
// 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
)
@bad@
expression r.E,e1,e2,fn;
position r.p;
assignment operator op;
@@
(
E@p
&
<+... \(fn(...)\|e1 op e2\|e1++\|e1--\|++e1\|--e1\) ...+>
)
@depends on context && !bad@
expression r.E;
position r.p;
@@
*E@p
@script:python depends on org && !bad@
p << r.p;
@@
cocci.print_main("duplicated argument to && or ||",p)
@script:python depends on report && !bad@
p << r.p;
@@
coccilib.report.print_report(p[0],"duplicated argument to && or ||")