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// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -verify %s
@interface NSObject
- (id)copy; // expected-note {{method 'copy' declared here}}
- (id) test __attribute__((ns_returns_retained)); // expected-note {{method 'test' declared here}}
+ (id) new ; // expected-note {{method 'new' declared here}}
- (id) init __attribute__((ns_returns_not_retained));
- (id)PlusZero;
- (id)PlusOne __attribute__((ns_returns_retained)); // expected-note {{method 'PlusOne' declared here}}
- (id)self;
@end
@interface I : NSObject
{
SEL sel1;
}
- (id)performSelector:(SEL)aSelector;
- (id)performSelector:(SEL)aSelector withObject:(id)object;
- (id)performSelector:(SEL)aSelector withObject:(id)object1 withObject:(id)object2;
- (void)performSelector:(SEL)aSelector withObject:(id)anArgument afterDelay:(double)delay inModes:(I *)modes;
@end
@implementation I
- (id) Meth {
return [self performSelector : @selector(copy)]; // expected-error {{performSelector names a selector which retains the object}}
return [self performSelector : @selector(test)]; // expected-error {{performSelector names a selector which retains the object}}
return [self performSelector : @selector(new)]; // expected-error {{performSelector names a selector which retains the object}}
return [self performSelector : @selector(init)];
return [self performSelector : sel1]; // expected-warning {{performSelector may cause a leak because its selector is unknown}} \
// expected-note {{used here}}
return [self performSelector: (@selector(PlusZero))];
return [self performSelector : @selector(PlusZero)];
return [self performSelector : @selector(PlusOne)]; // expected-error {{performSelector names a selector which retains the object}}
// Avoid the unknown selector warning for more complicated performSelector
// variations because it produces too many false positives.
[self performSelector: sel1 withObject:0 afterDelay:0 inModes:0];
return [self performSelector: @selector(self)]; // No error, -self is not +1!
}
- (id)performSelector:(SEL)aSelector { return 0; }
- (id)performSelector:(SEL)aSelector withObject:(id)object { return 0; }
- (id)performSelector:(SEL)aSelector withObject:(id)object1 withObject:(id)object2 { return 0; }
- (void)performSelector:(SEL)aSelector withObject:(id)anArgument afterDelay:(double)delay inModes:(I *)modes { }
@end
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