1*4882a593Smuzhiyun// SPDX-License-Identifier: GPL-2.0-only 2*4882a593Smuzhiyun/// Find confusingly indented code in or after an if. An if branch should 3*4882a593Smuzhiyun/// be indented. The code following an if should not be indented. 4*4882a593Smuzhiyun/// Sometimes, code after an if that is indented is actually intended to be 5*4882a593Smuzhiyun/// part of the if branch. 6*4882a593Smuzhiyun/// 7*4882a593Smuzhiyun//# This has a high rate of false positives, because Coccinelle's column 8*4882a593Smuzhiyun//# calculation does not distinguish between spaces and tabs, so code that 9*4882a593Smuzhiyun//# is not visually aligned may be considered to be in the same column. 10*4882a593Smuzhiyun// 11*4882a593Smuzhiyun// Confidence: Low 12*4882a593Smuzhiyun// Copyright: (C) 2010 Nicolas Palix, DIKU. 13*4882a593Smuzhiyun// Copyright: (C) 2010 Julia Lawall, DIKU. 14*4882a593Smuzhiyun// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6. 15*4882a593Smuzhiyun// URL: http://coccinelle.lip6.fr/ 16*4882a593Smuzhiyun// Comments: 17*4882a593Smuzhiyun// Options: --no-includes --include-headers 18*4882a593Smuzhiyun 19*4882a593Smuzhiyunvirtual org 20*4882a593Smuzhiyunvirtual report 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun@r disable braces4@ 23*4882a593Smuzhiyunposition p1,p2; 24*4882a593Smuzhiyunstatement S1,S2; 25*4882a593Smuzhiyun@@ 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun( 28*4882a593Smuzhiyunif (...) { ... } 29*4882a593Smuzhiyun| 30*4882a593Smuzhiyunif (...) S1@p1 S2@p2 31*4882a593Smuzhiyun) 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun@script:python depends on org@ 34*4882a593Smuzhiyunp1 << r.p1; 35*4882a593Smuzhiyunp2 << r.p2; 36*4882a593Smuzhiyun@@ 37*4882a593Smuzhiyun 38*4882a593Smuzhiyunif (p1[0].column == p2[0].column): 39*4882a593Smuzhiyun cocci.print_main("branch",p1) 40*4882a593Smuzhiyun cocci.print_secs("after",p2) 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun@script:python depends on report@ 43*4882a593Smuzhiyunp1 << r.p1; 44*4882a593Smuzhiyunp2 << r.p2; 45*4882a593Smuzhiyun@@ 46*4882a593Smuzhiyun 47*4882a593Smuzhiyunif (p1[0].column == p2[0].column): 48*4882a593Smuzhiyun msg = "code aligned with following code on line %s" % (p2[0].line) 49*4882a593Smuzhiyun coccilib.report.print_report(p1[0],msg) 50