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