1 // SPDX-License-Identifier: GPL-2.0-only 1 // SPDX-License-Identifier: GPL-2.0-only
2 /// Find duplicate field initializations. Thi 2 /// Find duplicate field initializations. This has a high rate of false
3 /// positives due to #ifdefs, which Coccinelle 3 /// positives due to #ifdefs, which Coccinelle is not aware of in a structure
4 /// initialization. 4 /// initialization.
5 /// 5 ///
6 // Confidence: Low 6 // Confidence: Low
7 // Copyright: (C) 2010-2012 Nicolas Palix. 7 // Copyright: (C) 2010-2012 Nicolas Palix.
8 // Copyright: (C) 2010-2012 Julia Lawall, INRI 8 // Copyright: (C) 2010-2012 Julia Lawall, INRIA/LIP6.
9 // Copyright: (C) 2010-2012 Gilles Muller, INR 9 // Copyright: (C) 2010-2012 Gilles Muller, INRIA/LiP6.
10 // URL: https://coccinelle.gitlabpages.inria.f !! 10 // URL: http://coccinelle.lip6.fr/
11 // Comments: requires at least Coccinelle 0.2. 11 // Comments: requires at least Coccinelle 0.2.4, lex or parse error otherwise
12 // Options: --no-includes --include-headers 12 // Options: --no-includes --include-headers
13 13
14 virtual org 14 virtual org
15 virtual report 15 virtual report
16 16
17 @r@ 17 @r@
18 identifier I, s, fld; 18 identifier I, s, fld;
19 position p0,p; 19 position p0,p;
20 expression E; 20 expression E;
21 @@ 21 @@
22 22
23 struct I s =@p0 { ..., .fld@p = E, ...}; 23 struct I s =@p0 { ..., .fld@p = E, ...};
24 24
25 @s@ 25 @s@
26 identifier I, s, r.fld; 26 identifier I, s, r.fld;
27 position r.p0,p; 27 position r.p0,p;
28 expression E; 28 expression E;
29 @@ 29 @@
30 30
31 struct I s =@p0 { ..., .fld@p = E, ...}; 31 struct I s =@p0 { ..., .fld@p = E, ...};
32 32
33 @script:python depends on org@ 33 @script:python depends on org@
34 p0 << r.p0; 34 p0 << r.p0;
35 fld << r.fld; 35 fld << r.fld;
36 ps << s.p; 36 ps << s.p;
37 pr << r.p; 37 pr << r.p;
38 @@ 38 @@
39 39
40 if int(ps[0].line) < int(pr[0].line) or (int(p 40 if int(ps[0].line) < int(pr[0].line) or (int(ps[0].line) == int(pr[0].line) and int(ps[0].column) < int(pr[0].column)):
41 cocci.print_main(fld,p0) 41 cocci.print_main(fld,p0)
42 cocci.print_secs("s",ps) 42 cocci.print_secs("s",ps)
43 cocci.print_secs("r",pr) 43 cocci.print_secs("r",pr)
44 44
45 @script:python depends on report@ 45 @script:python depends on report@
46 p0 << r.p0; 46 p0 << r.p0;
47 fld << r.fld; 47 fld << r.fld;
48 ps << s.p; 48 ps << s.p;
49 pr << r.p; 49 pr << r.p;
50 @@ 50 @@
51 51
52 if int(ps[0].line) < int(pr[0].line) or (int(p 52 if int(ps[0].line) < int(pr[0].line) or (int(ps[0].line) == int(pr[0].line) and int(ps[0].column) < int(pr[0].column)):
53 msg = "%s: first occurrence line %s, second 53 msg = "%s: first occurrence line %s, second occurrence line %s" % (fld,ps[0].line,pr[0].line)
54 coccilib.report.print_report(p0[0],msg) 54 coccilib.report.print_report(p0[0],msg)
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