1// SPDX-License-Identifier: GPL-2.0-only
2/// Find confusingly indented code in or after an if.  An if branch should
3/// be indented.  The code following an if should not be indented.
4/// Sometimes, code after an if that is indented is actually intended to be
5/// part of the if branch.
6///
7//# This has a high rate of false positives, because Coccinelle's column
8//# calculation does not distinguish between spaces and tabs, so code that
9//# is not visually aligned may be considered to be in the same column.
10//
11// Confidence: Low
12// Copyright: (C) 2010 Nicolas Palix, DIKU.
13// Copyright: (C) 2010 Julia Lawall, DIKU.
14// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.
15// URL: http://coccinelle.lip6.fr/
16// Comments:
17// Options: --no-includes --include-headers
18
19virtual org
20virtual report
21
22@r disable braces4@
23position p1,p2;
24statement S1,S2;
25@@
26
27(
28if (...) { ... }
29|
30if (...) S1@p1 S2@p2
31)
32
33@script:python depends on org@
34p1 << r.p1;
35p2 << r.p2;
36@@
37
38if (p1[0].column == p2[0].column):
39  cocci.print_main("branch",p1)
40  cocci.print_secs("after",p2)
41
42@script:python depends on report@
43p1 << r.p1;
44p2 << r.p2;
45@@
46
47if (p1[0].column == p2[0].column):
48  msg = "code aligned with following code on line %s" % (p2[0].line)
49  coccilib.report.print_report(p1[0],msg)
50