summaryrefslogtreecommitdiff
path: root/scripts/coccinelle/misc/ifcol.cocci
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-29 03:18:59 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-29 03:18:59 +0400
commite596c79050eafea89cf9fe26b7a807643a2a9904 (patch)
tree36a0c9b0d4cb149c2c5098be2257639631e5d6c6 /scripts/coccinelle/misc/ifcol.cocci
parent51399a391940e676877c7a791138081f13a0bab7 (diff)
parent9231d9e02a1f92b52bbb1e4474bfd1903835a993 (diff)
downloadlinux-e596c79050eafea89cf9fe26b7a807643a2a9904.tar.xz
Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: (39 commits) Revert "namespace: add source file location exceptions" Coccinelle: Add contextual message Coccinelle: Fix documentation Coccinelle: Find doubled arguments to boolean or bit operators. Coccinelle: Find nested lock+irqsave functions that use the same flags variables. namespace: add source file location exceptions scripts/extract-ikconfig: add support for bzip2, lzma and lzo kbuild: check return value of asprintf() scripts/namespace.pl: improve to get more correct results scripts/namespace.pl: some bug fixes scripts/namespace.pl: update file exclusion list scripts/namespace.pl: fix wrong source path Coccinelle: Use the -no_show_diff option for org and report mode Coccinelle: Add a new mode named 'chain' Coccinelle: Use new comment format to explain kfree.cocci Coccinelle: Improve user information with a new kind of comment Coccinelle: Update documentation MAINTAINERS: Coccinelle: Update email address Documentation/kbuild: modules.txt cleanup Documentation/kbuild: major edit of modules.txt sections 5-8 ...
Diffstat (limited to 'scripts/coccinelle/misc/ifcol.cocci')
-rw-r--r--scripts/coccinelle/misc/ifcol.cocci48
1 files changed, 48 insertions, 0 deletions
diff --git a/scripts/coccinelle/misc/ifcol.cocci b/scripts/coccinelle/misc/ifcol.cocci
new file mode 100644
index 000000000000..b7ed91dbeb95
--- /dev/null
+++ b/scripts/coccinelle/misc/ifcol.cocci
@@ -0,0 +1,48 @@
+/// Find confusingly indented code in or after an if. An if branch should
+/// be indented. The code following an if should not be indented.
+/// Sometimes, code after an if that is indented is actually intended to be
+/// part of the if branch.
+///
+/// This has a high rate of false positives, because Coccinelle's column
+/// calculation does not distinguish between spaces and tabs, so code that
+/// is not visually aligned may be considered to be in the same column.
+///
+// Confidence: Low
+// 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 org
+virtual report
+
+@r disable braces4@
+position p1,p2;
+statement S1,S2;
+@@
+
+(
+if (...) { ... }
+|
+if (...) S1@p1 S2@p2
+)
+
+@script:python depends on org@
+p1 << r.p1;
+p2 << r.p2;
+@@
+
+if (p1[0].column == p2[0].column):
+ cocci.print_main("branch",p1)
+ cocci.print_secs("after",p2)
+
+@script:python depends on report@
+p1 << r.p1;
+p2 << r.p2;
+@@
+
+if (p1[0].column == p2[0].column):
+ msg = "code aligned with following code on line %s" % (p2[0].line)
+ coccilib.report.print_report(p1[0],msg)