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 - (id) myInit __attribute__((objc_method_family(init))); 13 - (void) iterate: (id) coll; 14 - (id) nextObject; 15 @property unsigned uid; 16 @end 17 18 @implementation Object 19 @synthesize uid; 20 - (id) init { 21 if (self = [self init]) { 22 } 23 return self; 24 } 25 26 - (id) initWithInt: (int) i { 27 if (self = [self initWithInt: i]) { 28 } 29 // rdar://11066598 30 if (self.uid = 100) { // expected-warning {{using the result of an assignment as a condition without parentheses}} \ 31 // expected-note {{place parentheses around the assignment to silence this warning}} \ 32 // expected-note {{use '==' to turn this assignment into an equality comparison}} 33 // ... 34 } 35 return self; 36 } 37 38 - (id) myInit { 39 if (self = [self myInit]) { 40 } 41 return self; 42 } 43 44 - (void) iterate: (id) coll { 45 id cur; 46 while (cur = [coll nextObject]) { 47 } 48 } 49 50 - (id) nextObject { 51 return self; 52 } 53 @end 54
