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