| /// Bool initializations should use true and false.  Bool tests don't need | 
 | /// comparisons.  Based on contributions from Joe Perches, Rusty Russell | 
 | /// and Bruce W Allan. | 
 | /// | 
 | // Confidence: High | 
 | // Copyright: (C) 2012 Julia Lawall, INRIA/LIP6.  GPLv2. | 
 | // Copyright: (C) 2012 Gilles Muller, INRIA/LiP6.  GPLv2. | 
 | // URL: http://coccinelle.lip6.fr/ | 
 | // Options: --include-headers | 
 |  | 
 | virtual patch | 
 | virtual context | 
 | virtual org | 
 | virtual report | 
 |  | 
 | @depends on patch@ | 
 | bool t; | 
 | symbol true; | 
 | symbol false; | 
 | @@ | 
 |  | 
 | ( | 
 | - t == true | 
 | + t | 
 | | | 
 | - true == t | 
 | + t | 
 | | | 
 | - t != true | 
 | + !t | 
 | | | 
 | - true != t | 
 | + !t | 
 | | | 
 | - t == false | 
 | + !t | 
 | | | 
 | - false == t | 
 | + !t | 
 | | | 
 | - t != false | 
 | + t | 
 | | | 
 | - false != t | 
 | + t | 
 | ) | 
 |  | 
 | @depends on patch disable is_zero, isnt_zero@ | 
 | bool t; | 
 | @@ | 
 |  | 
 | ( | 
 | - t == 1 | 
 | + t | 
 | | | 
 | - t != 1 | 
 | + !t | 
 | | | 
 | - t == 0 | 
 | + !t | 
 | | | 
 | - t != 0 | 
 | + t | 
 | ) | 
 |  | 
 | @depends on patch@ | 
 | bool b; | 
 | @@ | 
 | ( | 
 |  b = | 
 | - 0 | 
 | + false | 
 | | | 
 |  b = | 
 | - 1 | 
 | + true | 
 | ) | 
 |  | 
 | // --------------------------------------------------------------------- | 
 |  | 
 | @r1 depends on !patch@ | 
 | bool t; | 
 | position p; | 
 | @@ | 
 |  | 
 | ( | 
 | * t@p == true | 
 | | | 
 | * true == t@p | 
 | | | 
 | * t@p != true | 
 | | | 
 | * true != t@p | 
 | | | 
 | * t@p == false | 
 | | | 
 | * false == t@p | 
 | | | 
 | * t@p != false | 
 | | | 
 | * false != t@p | 
 | ) | 
 |  | 
 | @r2 depends on !patch disable is_zero, isnt_zero@ | 
 | bool t; | 
 | position p; | 
 | @@ | 
 |  | 
 | ( | 
 | * t@p == 1 | 
 | | | 
 | * t@p != 1 | 
 | | | 
 | * t@p == 0 | 
 | | | 
 | * t@p != 0 | 
 | ) | 
 |  | 
 | @r3 depends on !patch@ | 
 | bool b; | 
 | position p1,p2; | 
 | constant c; | 
 | @@ | 
 | ( | 
 | *b@p1 = 0 | 
 | | | 
 | *b@p1 = 1 | 
 | | | 
 | *b@p2 = c | 
 | ) | 
 |  | 
 | @script:python depends on org@ | 
 | p << r1.p; | 
 | @@ | 
 |  | 
 | cocci.print_main("WARNING: Comparison to bool",p) | 
 |  | 
 | @script:python depends on org@ | 
 | p << r2.p; | 
 | @@ | 
 |  | 
 | cocci.print_main("WARNING: Comparison of bool to 0/1",p) | 
 |  | 
 | @script:python depends on org@ | 
 | p1 << r3.p1; | 
 | @@ | 
 |  | 
 | cocci.print_main("WARNING: Assignment of bool to 0/1",p1) | 
 |  | 
 | @script:python depends on org@ | 
 | p2 << r3.p2; | 
 | @@ | 
 |  | 
 | cocci.print_main("ERROR: Assignment of bool to non-0/1 constant",p2) | 
 |  | 
 | @script:python depends on report@ | 
 | p << r1.p; | 
 | @@ | 
 |  | 
 | coccilib.report.print_report(p[0],"WARNING: Comparison to bool") | 
 |  | 
 | @script:python depends on report@ | 
 | p << r2.p; | 
 | @@ | 
 |  | 
 | coccilib.report.print_report(p[0],"WARNING: Comparison of bool to 0/1") | 
 |  | 
 | @script:python depends on report@ | 
 | p1 << r3.p1; | 
 | @@ | 
 |  | 
 | coccilib.report.print_report(p1[0],"WARNING: Assignment of bool to 0/1") | 
 |  | 
 | @script:python depends on report@ | 
 | p2 << r3.p2; | 
 | @@ | 
 |  | 
 | coccilib.report.print_report(p2[0],"ERROR: Assignment of bool to non-0/1 constant") |