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- /// 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. 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
- )
- @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 ||")
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