From: Julia Lawall <[email protected]> Signed-off-by: Julia Lawall <[email protected]> Signed-off-by: Nicolas Palix <[email protected]> --- scripts/coccinelle/tests/doublebitand.cocci | 54 +++++++++++++++++++++++++++ scripts/coccinelle/tests/doubletest.cocci | 40 ++++++++++++++++++++ 2 files changed, 94 insertions(+), 0 deletions(-) create mode 100644 scripts/coccinelle/tests/doublebitand.cocci create mode 100644 scripts/coccinelle/tests/doubletest.cocci
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 +| +* !...@p + & ... & 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 |") diff --git a/scripts/coccinelle/tests/doubletest.cocci b/scripts/coccinelle/tests/doubletest.cocci new file mode 100644 index 0000000..13a2c0e --- /dev/null +++ b/scripts/coccinelle/tests/doubletest.cocci @@ -0,0 +1,40 @@ +/// Find &&/|| operations that include the same argument more than once +//# A common source of false positives is when the argument 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 +) + +...@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 ||") -- 1.7.0.4 _______________________________________________ Cocci mailing list [email protected] http://lists.diku.dk/mailman/listinfo/cocci (Web access from inside DIKUs LAN only)
