summaryrefslogtreecommitdiffstats
path: root/scripts/coccinelle/misc/bugon.cocci
blob: 3b7eec24fb5a2a7cf6b55c4f003e363591888164 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
/// Use BUG_ON instead of a if condition followed by BUG.
///
//# This makes an effort to find cases where BUG() follows an if
//# condition on an expression and replaces the if condition and BUG()
//# with a BUG_ON having the conditional expression of the if statement
//# as argument.
//
// Confidence: High
// Copyright: (C) 2014 Himangi Saraogi.  GPLv2.
// Comments:
// Options: --no-includes --include-headers

virtual patch
virtual context
virtual org
virtual report

//----------------------------------------------------------
//  For context mode
//----------------------------------------------------------

@depends on context@
expression e;
@@

*if (e) BUG();

//----------------------------------------------------------
//  For patch mode
//----------------------------------------------------------

@depends on patch@
expression e;
@@

-if (e) BUG();
+BUG_ON(e);

//----------------------------------------------------------
//  For org and report mode
//----------------------------------------------------------

@r@
expression e;
position p;
@@

 if (e) BUG@p ();

@script:python depends on org@
p << r.p;
@@

coccilib.org.print_todo(p[0], "WARNING use BUG_ON")

@script:python depends on report@
p << r.p;
@@

msg="WARNING: Use BUG_ON"
coccilib.report.print_report(p[0], msg)

OpenPOWER on IntegriCloud