60 lines
1.1 KiB
Plaintext
60 lines
1.1 KiB
Plaintext
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// SPDX-License-Identifier: GPL-2.0-only
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/// Find &&/|| operations that include the same argument more than once
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//# A common source of false positives is when the expression, or
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//# another expresssion in the same && or || operation, performs a
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//# side effect.
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///
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// Confidence: Moderate
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// Copyright: (C) 2010 Nicolas Palix, DIKU.
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// Copyright: (C) 2010 Julia Lawall, DIKU.
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// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.
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// URL: http://coccinelle.lip6.fr/
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// Comments:
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// Options: --no-includes --include-headers
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virtual context
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virtual org
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virtual report
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@r expression@
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expression E;
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position p;
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@@
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(
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E@p || ... || E
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E@p && ... && E
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)
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@bad@
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expression r.E,e1,e2,fn;
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position r.p;
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assignment operator op;
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@@
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(
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E@p
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&
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<+... \(fn(...)\|e1 op e2\|e1++\|e1--\|++e1\|--e1\) ...+>
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)
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@depends on context && !bad@
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expression r.E;
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position r.p;
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@@
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*E@p
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@script:python depends on org && !bad@
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p << r.p;
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@@
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cocci.print_main("duplicated argument to && or ||",p)
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@script:python depends on report && !bad@
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p << r.p;
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@@
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coccilib.report.print_report(p[0],"duplicated argument to && or ||")
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