68 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
			
		
		
	
	
			68 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
| // RUN: %clang_cc1 -fsyntax-only -Wno-deprecated-declarations -verify %s
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| 
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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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| 
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| - (int)I;
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| @end
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| 
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| @protocol p1,p2,p3;
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| 
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| @protocol p1;
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| 
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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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| 
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| 
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| @protocol PROTO2<p1>
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| @end
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| 
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| @protocol p1 @end
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| 
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| @protocol PROTO<p1>     // expected-note {{previous definition is here}}
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| @end
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| 
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| @protocol PROTO<p1>	// expected-warning {{duplicate protocol definition of 'PROTO'}}
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| @end
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| 
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| @protocol PROTO3<p1, p1>
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| @end
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| 
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| @protocol p2 <p1>
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| @end
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| 
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| @protocol PROTO4 <p1, p2, PROTO, PROTO3, p3> 
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| @end
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| 
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| 
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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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| 
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| 
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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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| 
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| @protocol P
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| - (int)test:(int)param, ..; // expected-warning{{type specifier missing}} \
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|                       // expected-error{{expected ';' after method prototype}}
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| @end
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