62 lines
1.6 KiB
Mathematica
62 lines
1.6 KiB
Mathematica
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// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s
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// rdar://9224670
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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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@protocol TestProtocol
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- (void)nothingInteresting;
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@end
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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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@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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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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// rdar://22812517
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@protocol NSObject
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- (int)respondsToSelector:(SEL)aSelector;
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@end
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__attribute__((objc_root_class))
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@interface NSObject <NSObject>
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@end
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@protocol OtherProto
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- (void)otherInstanceMethod; // expected-note {{method 'otherInstanceMethod' declared here}}
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@end
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@protocol MyProto <NSObject, OtherProto>
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@end
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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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