62 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
| // RUN: %clang_cc1  -fsyntax-only -verify -Wno-objc-root-class %s
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| // rdar://9224670
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| 
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| @interface RandomObject {
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| @private
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| }
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| + (id)alloc;
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| @end
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| 
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| @protocol TestProtocol
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| - (void)nothingInteresting;
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| @end
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| 
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| @protocol Test2Protocol
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| + (id)alloc;
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| - (id)alloc2; // expected-note 2 {{method 'alloc2' declared here}}
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| @end
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| 
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| @implementation RandomObject
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| - (void) Meth {
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|     Class<TestProtocol> c = [c alloc]; //  expected-warning {{class method '+alloc' not found (return type defaults to 'id')}}
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|     Class<Test2Protocol> c1 = [c1 alloc2]; //  expected-warning {{instance method 'alloc2' found instead of class method 'alloc2'}}
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|     Class<Test2Protocol> c2 = [c2 alloc]; //  ok
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| }
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| + (id)alloc { return 0; }
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| @end
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| 
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| int main ()
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| {
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|     Class<TestProtocol> c = [c alloc]; //  expected-warning {{class method '+alloc' not found (return type defaults to 'id')}}
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|     Class<Test2Protocol> c1 = [c1 alloc2]; //  expected-warning {{instance method 'alloc2' found instead of class method 'alloc2'}}
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|     Class<Test2Protocol> c2 = [c2 alloc]; //  ok
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|     return 0;
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| }
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| 
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| // rdar://22812517
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| 
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| @protocol NSObject
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| 
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| - (int)respondsToSelector:(SEL)aSelector;
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| 
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| @end
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| 
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| __attribute__((objc_root_class))
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| @interface NSObject <NSObject>
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| 
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| @end
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| 
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| @protocol OtherProto
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| 
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| - (void)otherInstanceMethod; // expected-note {{method 'otherInstanceMethod' declared here}}
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| 
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| @end
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| 
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| @protocol MyProto <NSObject, OtherProto>
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| @end
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| 
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| void allowInstanceMethodsFromRootProtocols(Class<MyProto> c) {
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|   [c respondsToSelector: @selector(instanceMethod)]; // no warning
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|   [c otherInstanceMethod]; //  expected-warning {{instance method 'otherInstanceMethod' found instead of class method 'otherInstanceMethod'}}
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| }
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