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55 lines
1.1 KiB
55 lines
1.1 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/// Find bit operations that include the same argument more than once |
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//# One source of false positives is when the argument performs a side |
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//# effect. Another source of false positives is when a neutral value |
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//# such as 0 for | is used to indicate no information, to maintain the |
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//# same structure as other similar expressions |
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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: https://coccinelle.gitlabpages.inria.fr/website |
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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 |
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& ... & E |
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| |
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* E@p |
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| ... | E |
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* E@p |
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& ... & !E |
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* E@p |
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| ... | !E |
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* !E@p |
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& ... & E |
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* !E@p |
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| ... | E |
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) |
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@script:python depends on org@ |
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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@ |
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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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