1 // RUN: %clang_cc1 -fsyntax-only -verify -Wparentheses -Wno-objc-root-class %s 2 3 // Don't warn about some common ObjC idioms unless we have -Widiomatic-parentheses on. 4 // <rdar://problem/7382435> 5 6 @interface Object 7 { 8 unsigned uid; 9 } 10 - (id) init; 11 - (id) initWithInt: (int) i; 12 - (void) iterate: (id) coll; 13 - (id) nextObject; 14 @property unsigned uid; 15 @end 16 17 @implementation Object 18 @synthesize uid; 19 - (id) init { 20 if (self = [self init]) { 21 } 22 return self; 23 } 24 25 - (id) initWithInt: (int) i { 26 if (self = [self initWithInt: i]) { 27 } 28 // rdar://11066598 29 if (self.uid = 100) { // expected-warning {{using the result of an assignment as a condition without parentheses}} \ 30 // expected-note {{place parentheses around the assignment to silence this warning}} \ 31 // expected-note {{use '==' to turn this assignment into an equality comparison}} 32 // ... 33 } 34 return self; 35 } 36 37 - (void) iterate: (id) coll { 38 id cur; 39 while (cur = [coll nextObject]) { 40 } 41 } 42 43 - (id) nextObject { 44 return self; 45 } 46 @end 47
