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/scripts/coccinelle/misc/ifcol.cocci

http://github.com/mirrors/linux
Unknown | 48 lines | 41 code | 7 blank | 0 comment | 0 complexity | 897d777364a8f17880afd4f735f49ff0 MD5 | raw file
 1/// Find confusingly indented code in or after an if.  An if branch should
 2/// be indented.  The code following an if should not be indented.
 3/// Sometimes, code after an if that is indented is actually intended to be
 4/// part of the if branch.
 5///
 6/// This has a high rate of false positives, because Coccinelle's column
 7/// calculation does not distinguish between spaces and tabs, so code that
 8/// is not visually aligned may be considered to be in the same column.
 9///
10// Confidence: Low
11// Copyright: (C) 2010 Nicolas Palix, DIKU.  GPLv2.
12// Copyright: (C) 2010 Julia Lawall, DIKU.  GPLv2.
13// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
14// URL: http://coccinelle.lip6.fr/
15// Comments:
16// Options: --no-includes --include-headers
17
18virtual org
19virtual report
20
21@r disable braces4@
22position p1,p2;
23statement S1,S2;
24@@
25
26(
27if (...) { ... }
28|
29if (...) S1@p1 S2@p2
30)
31
32@script:python depends on org@
33p1 << r.p1;
34p2 << r.p2;
35@@
36
37if (p1[0].column == p2[0].column):
38  cocci.print_main("branch",p1)
39  cocci.print_secs("after",p2)
40
41@script:python depends on report@
42p1 << r.p1;
43p2 << r.p2;
44@@
45
46if (p1[0].column == p2[0].column):
47  msg = "code aligned with following code on line %s" % (p2[0].line)
48  coccilib.report.print_report(p1[0],msg)