Find duplicate field initializations. This has a high rate of false positives due to #ifdefs, which Coccinelle is not aware of in a structure initialization.
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| 1 | +/// Find duplicate field initializations. This has a high rate of false | |
| 2 | +/// positives due to #ifdefs, which Coccinelle is not aware of in a structure | |
| 3 | +/// initialization. | |
| 4 | +/// | |
| 5 | +// Confidence: Low | |
| 6 | +// Copyright: (C) 2010 Nicolas Palix, DIKU. GPLv2. | |
| 7 | +// Copyright: (C) 2010 Julia Lawall, DIKU. GPLv2. | |
| 8 | +// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6. GPLv2. | |
| 9 | +// URL: http://coccinelle.lip6.fr/ | |
| 10 | +// Comments: | |
| 11 | +// Options: -no_includes -include_headers | |
| 12 | + | |
| 13 | +virtual org | |
| 14 | +virtual report | |
| 15 | + | |
| 16 | +@r@ | |
| 17 | +identifier I, s, fld; | |
| 18 | +position p0,p; | |
| 19 | +expression E; | |
| 20 | +@@ | |
| 21 | + | |
| 22 | +struct I s =@p0 { ... .fld@p = E, ...}; | |
| 23 | + | |
| 24 | +@s@ | |
| 25 | +identifier I, s, r.fld; | |
| 26 | +position r.p0,p; | |
| 27 | +expression E; | |
| 28 | +@@ | |
| 29 | + | |
| 30 | +struct I s =@p0 { ... .fld@p = E, ...}; | |
| 31 | + | |
| 32 | +@script:python depends on org@ | |
| 33 | +p0 << r.p0; | |
| 34 | +fld << r.fld; | |
| 35 | +ps << s.p; | |
| 36 | +pr << r.p; | |
| 37 | +@@ | |
| 38 | + | |
| 39 | +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)): | |
| 40 | + cocci.print_main(fld,p0) | |
| 41 | + cocci.print_secs("s",ps) | |
| 42 | + cocci.print_secs("r",pr) | |
| 43 | + | |
| 44 | +@script:python depends on report@ | |
| 45 | +p0 << r.p0; | |
| 46 | +fld << r.fld; | |
| 47 | +ps << s.p; | |
| 48 | +pr << r.p; | |
| 49 | +@@ | |
| 50 | + | |
| 51 | +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)): | |
| 52 | + msg = "%s: first occurrence %s, second occurrence %s" % (fld,ps[0].line,pr[0].line) | |
| 53 | + coccilib.report.print_report(p0[0],msg) | |