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) 2010-2012 Nicolas Palix. GPLv2. 7// Copyright: (C) 2010-2012 Julia Lawall, INRIA/LIP6. GPLv2. 8// Copyright: (C) 2010-2012 Gilles Muller, INRIA/LiP6. GPLv2. 9// URL: http://coccinelle.lip6.fr/ 10// Comments: requires at least Coccinelle 0.2.4, lex or parse error otherwise 11// Options: --no-includes --include-headers 12 13virtual org 14virtual report 15 16@r@ 17identifier I, s, fld; 18position p0,p; 19expression E; 20@@ 21 22struct I s =@p0 { ..., .fld@p = E, ...}; 23 24@s@ 25identifier I, s, r.fld; 26position r.p0,p; 27expression E; 28@@ 29 30struct I s =@p0 { ..., .fld@p = E, ...}; 31 32@script:python depends on org@ 33p0 << r.p0; 34fld << r.fld; 35ps << s.p; 36pr << r.p; 37@@ 38 39if 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@ 45p0 << r.p0; 46fld << r.fld; 47ps << s.p; 48pr << r.p; 49@@ 50 51if 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 line %s, second occurrence line %s" % (fld,ps[0].line,pr[0].line) 53 coccilib.report.print_report(p0[0],msg) 54