51 lines
2.3 KiB
Objective-C
51 lines
2.3 KiB
Objective-C
// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -verify %s
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// rdar://9659270
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@interface NSObject
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- (id)copy; // expected-note {{method 'copy' declared here}}
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- (id) test __attribute__((ns_returns_retained)); // expected-note {{method 'test' declared here}}
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+ (id) new ; // expected-note {{method 'new' declared here}}
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- (id) init __attribute__((ns_returns_not_retained));
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- (id)PlusZero;
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- (id)PlusOne __attribute__((ns_returns_retained)); // expected-note {{method 'PlusOne' declared here}}
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- (id)self;
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@end
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@interface I : NSObject
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{
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SEL sel1;
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}
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- (id)performSelector:(SEL)aSelector;
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- (id)performSelector:(SEL)aSelector withObject:(id)object;
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- (id)performSelector:(SEL)aSelector withObject:(id)object1 withObject:(id)object2;
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- (void)performSelector:(SEL)aSelector withObject:(id)anArgument afterDelay:(double)delay inModes:(I *)modes;
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@end
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@implementation I
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- (id) Meth {
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return [self performSelector : @selector(copy)]; // expected-error {{performSelector names a selector which retains the object}}
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return [self performSelector : @selector(test)]; // expected-error {{performSelector names a selector which retains the object}}
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return [self performSelector : @selector(new)]; // expected-error {{performSelector names a selector which retains the object}}
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return [self performSelector : @selector(init)];
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return [self performSelector : sel1]; // expected-warning {{performSelector may cause a leak because its selector is unknown}} \
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// expected-note {{used here}}
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return [self performSelector: (@selector(PlusZero))];
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return [self performSelector : @selector(PlusZero)];
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return [self performSelector : @selector(PlusOne)]; // expected-error {{performSelector names a selector which retains the object}}
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// Avoid the unknown selector warning for more complicated performSelector
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// variations because it produces too many false positives.
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[self performSelector: sel1 withObject:0 afterDelay:0 inModes:0];
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return [self performSelector: @selector(self)]; // No error, -self is not +1!
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}
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- (id)performSelector:(SEL)aSelector { return 0; }
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- (id)performSelector:(SEL)aSelector withObject:(id)object { return 0; }
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- (id)performSelector:(SEL)aSelector withObject:(id)object1 withObject:(id)object2 { return 0; }
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- (void)performSelector:(SEL)aSelector withObject:(id)anArgument afterDelay:(double)delay inModes:(I *)modes { }
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@end
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