1// RUN: %clang_cc1 -fsyntax-only -Wno-deprecated-declarations -verify %s 2 3@interface INTF1 4@required // expected-error {{directive may only be specified in protocols only}} 5- (int) FooBar; 6- (int) FooBar1; 7- (int) FooBar2; 8@optional // expected-error {{directive may only be specified in protocols only}} 9+ (int) C; 10 11- (int)I; 12@end 13 14@protocol p1,p2,p3; 15 16@protocol p1; 17 18@protocol PROTO1 19@required 20- (int) FooBar; 21@optional 22- (void) MyMethod1; 23+ (int) S; 24@end 25 26 27@protocol PROTO2<p1> 28@end 29 30@protocol p1 @end 31 32@protocol PROTO<p1> // expected-note {{previous definition is here}} 33@end 34 35@protocol PROTO<p1> // expected-warning {{duplicate protocol definition of 'PROTO'}} 36@end 37 38@protocol PROTO3<p1, p1> 39@end 40 41@protocol p2 <p1> 42@end 43 44@protocol PROTO4 <p1, p2, PROTO, PROTO3, p3> 45@end 46 47@protocol XX; 48@protocol YY <XX> // Use of declaration of XX here should not cause a warning. 49- zz; 50@end 51 52 53// Detect circular dependencies. 54@protocol B; 55@protocol C < B > // expected-note{{previous definition is here}} 56@end 57@protocol A < C > 58@end 59@protocol B < A > // expected-error{{protocol has circular dependency}} 60@end 61 62@protocol P 63- (int)test:(int)param, ..; // expected-error{{type specifier missing}} \ 64 // expected-error{{expected ';' after method prototype}} 65@end 66