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| author | Michal Marek <mmarek@suse.cz> | 2010-12-14 22:01:55 +0100 |
|---|---|---|
| committer | Michal Marek <mmarek@suse.cz> | 2010-12-14 22:01:55 +0100 |
| commit | 8990c1bc4be46473ad19bf2fa612ca57286f3df4 (patch) | |
| tree | 3cea60576903a1d26c67e6ec62891b524d390e95 /scripts/coccinelle/tests/doublebitand.cocci | |
| parent | 2979076fbf17a0947d6eba367b0cac19c907c160 (diff) | |
| parent | c8ddb2713c624f432fa5fe3c7ecffcdda46ea0d4 (diff) | |
| download | kernel_samsung_smdk4412-8990c1bc4be46473ad19bf2fa612ca57286f3df4.zip kernel_samsung_smdk4412-8990c1bc4be46473ad19bf2fa612ca57286f3df4.tar.gz kernel_samsung_smdk4412-8990c1bc4be46473ad19bf2fa612ca57286f3df4.tar.bz2 | |
Merge commit 'v2.6.37-rc1' into kbuild/kbuild
Diffstat (limited to 'scripts/coccinelle/tests/doublebitand.cocci')
| -rw-r--r-- | scripts/coccinelle/tests/doublebitand.cocci | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/scripts/coccinelle/tests/doublebitand.cocci b/scripts/coccinelle/tests/doublebitand.cocci new file mode 100644 index 0000000..9ba73d0 --- /dev/null +++ b/scripts/coccinelle/tests/doublebitand.cocci @@ -0,0 +1,54 @@ +/// Find bit operations that include the same argument more than once +//# One source of false positives is when the argument performs a side +//# effect. Another source of false positives is when a neutral value +//# such as 0 for | is used to indicate no information, to maintain the +//# same structure as other similar expressions +/// +// 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 +| +* E@p + & ... & !E +| +* E@p + | ... | !E +| +* !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 |") |