1// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -verify %s 2// rdar://9659270 3 4@interface NSObject 5- (id)copy; // expected-note {{method 'copy' declared here}} 6- (id) test __attribute__((ns_returns_retained)); // expected-note {{method 'test' declared here}} 7+ (id) new ; // expected-note {{method 'new' declared here}} 8- (id) init __attribute__((ns_returns_not_retained)); 9- (id)PlusZero; 10- (id)PlusOne __attribute__((ns_returns_retained)); // expected-note {{method 'PlusOne' declared here}} 11- (id)self; 12@end 13 14@interface I : NSObject 15{ 16 SEL sel1; 17} 18- (id)performSelector:(SEL)aSelector; 19- (id)performSelector:(SEL)aSelector withObject:(id)object; 20- (id)performSelector:(SEL)aSelector withObject:(id)object1 withObject:(id)object2; 21 22- (void)performSelector:(SEL)aSelector withObject:(id)anArgument afterDelay:(double)delay inModes:(I *)modes; 23 24@end 25 26@implementation I 27- (id) Meth { 28 return [self performSelector : @selector(copy)]; // expected-error {{performSelector names a selector which retains the object}} 29 return [self performSelector : @selector(test)]; // expected-error {{performSelector names a selector which retains the object}} 30 return [self performSelector : @selector(new)]; // expected-error {{performSelector names a selector which retains the object}} 31 return [self performSelector : @selector(init)]; 32 return [self performSelector : sel1]; // expected-warning {{performSelector may cause a leak because its selector is unknown}} \ 33 // expected-note {{used here}} 34 return [self performSelector: (@selector(PlusZero))]; 35 36 return [self performSelector : @selector(PlusZero)]; 37 return [self performSelector : @selector(PlusOne)]; // expected-error {{performSelector names a selector which retains the object}} 38 39 // Avoid the unknown selector warning for more complicated performSelector 40 // variations because it produces too many false positives. 41 [self performSelector: sel1 withObject:0 afterDelay:0 inModes:0]; 42 43 return [self performSelector: @selector(self)]; // No error, -self is not +1! 44} 45 46- (id)performSelector:(SEL)aSelector { return 0; } 47- (id)performSelector:(SEL)aSelector withObject:(id)object { return 0; } 48- (id)performSelector:(SEL)aSelector withObject:(id)object1 withObject:(id)object2 { return 0; } 49- (void)performSelector:(SEL)aSelector withObject:(id)anArgument afterDelay:(double)delay inModes:(I *)modes { } 50@end 51