forked from OSchip/llvm-project
64 lines
1.1 KiB
Objective-C
64 lines
1.1 KiB
Objective-C
// RUN: clang-cc -fsyntax-only -verify %s
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@interface INTF1
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@required // expected-error {{directive may only be specified in protocols only}}
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- (int) FooBar;
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- (int) FooBar1;
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- (int) FooBar2;
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@optional // expected-error {{directive may only be specified in protocols only}}
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+ (int) C;
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- (int)I;
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@end
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@protocol p1,p2,p3;
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@protocol p1;
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@protocol PROTO1
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@required
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- (int) FooBar;
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@optional
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- (void) MyMethod1;
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+ (int) S;
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@end
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@protocol PROTO2<p1>
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@end
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@protocol p1 @end
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@protocol PROTO<p1> // expected-note {{previous definition is here}}
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@end
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@protocol PROTO<p1> // expected-warning {{duplicate protocol definition of 'PROTO'}}
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@end
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@protocol PROTO3<p1, p1>
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@end
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@protocol p2 <p1>
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@end
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@protocol PROTO4 <p1, p2, PROTO, PROTO3, p3>
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@end
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// rdar://6771034
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@protocol XX;
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@protocol YY <XX> // Use of declaration of XX here should not cause a warning.
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- zz;
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@end
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// Detect circular dependencies.
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@protocol B;
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@protocol C < B > // expected-note{{previous definition is here}}
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@end
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@protocol A < C >
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@end
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@protocol B < A > // expected-error{{protocol has circular dependency}}
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@end
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