| 1 | // RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s |
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| 2 | // rdar://9224670 |
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| 3 | |
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| 4 | @interface RandomObject { |
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| 5 | @private |
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| 6 | } |
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| 7 | + (id)alloc; |
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| 8 | @end |
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| 9 | |
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| 10 | @protocol TestProtocol |
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| 11 | - (void)nothingInteresting; |
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| 12 | @end |
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| 13 | |
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| 14 | @protocol Test2Protocol |
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| 15 | + (id)alloc; |
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| 16 | - (id)alloc2; // expected-note 2 {{method 'alloc2' declared here}} |
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| 17 | @end |
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| 18 | |
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| 19 | @implementation RandomObject |
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| 20 | - (void) Meth { |
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| 21 | Class<TestProtocol> c = [c alloc]; // expected-warning {{class method '+alloc' not found (return type defaults to 'id')}} |
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| 22 | Class<Test2Protocol> c1 = [c1 alloc2]; // expected-warning {{instance method 'alloc2' found instead of class method 'alloc2'}} |
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| 23 | Class<Test2Protocol> c2 = [c2 alloc]; // ok |
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| 24 | } |
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| 25 | + (id)alloc { return 0; } |
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| 26 | @end |
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| 27 | |
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| 28 | int main () |
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| 29 | { |
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| 30 | Class<TestProtocol> c = [c alloc]; // expected-warning {{class method '+alloc' not found (return type defaults to 'id')}} |
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| 31 | Class<Test2Protocol> c1 = [c1 alloc2]; // expected-warning {{instance method 'alloc2' found instead of class method 'alloc2'}} |
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| 32 | Class<Test2Protocol> c2 = [c2 alloc]; // ok |
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| 33 | return 0; |
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| 34 | } |
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| 35 | |
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| 36 | // rdar://22812517 |
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| 37 | |
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| 38 | @protocol NSObject |
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| 39 | |
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| 40 | - (int)respondsToSelector:(SEL)aSelector; |
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| 41 | |
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| 42 | @end |
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| 43 | |
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| 44 | __attribute__((objc_root_class)) |
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| 45 | @interface NSObject <NSObject> |
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| 46 | |
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| 47 | @end |
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| 48 | |
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| 49 | @protocol OtherProto |
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| 50 | |
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| 51 | - (void)otherInstanceMethod; // expected-note {{method 'otherInstanceMethod' declared here}} |
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| 52 | |
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| 53 | @end |
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| 54 | |
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| 55 | @protocol MyProto <NSObject, OtherProto> |
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| 56 | @end |
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| 57 | |
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| 58 | void allowInstanceMethodsFromRootProtocols(Class<MyProto> c) { |
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| 59 | [c respondsToSelector: @selector(instanceMethod)]; // no warning |
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| 60 | [c otherInstanceMethod]; // expected-warning {{instance method 'otherInstanceMethod' found instead of class method 'otherInstanceMethod'}} |
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| 61 | } |
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| 62 | |
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