// RUN: %clang_cc1 -fsyntax-only -verify -Wparentheses -Wno-objc-root-class %s // Don't warn about some common ObjC idioms unless we have -Widiomatic-parentheses on. // @interface Object { unsigned uid; } - (id) init; - (id) initWithInt: (int) i; - (id) myInit __attribute__((objc_method_family(init))); - (void) iterate: (id) coll; - (id) nextObject; @property unsigned uid; @end @implementation Object @synthesize uid; - (id) init { if (self = [self init]) { } return self; } - (id) initWithInt: (int) i { if (self = [self initWithInt: i]) { } // rdar://11066598 if (self.uid = 100) { // expected-warning {{using the result of an assignment as a condition without parentheses}} \ // expected-note {{place parentheses around the assignment to silence this warning}} \ // expected-note {{use '==' to turn this assignment into an equality comparison}} // ... } return self; } - (id) myInit { if (self = [self myInit]) { } return self; } - (void) iterate: (id) coll { id cur; while (cur = [coll nextObject]) { } } - (id) nextObject { return self; } @end