1*67e74705SXin Li// RUN: %clang_cc1 -fsyntax-only -Wno-deprecated-declarations -verify %s 2*67e74705SXin Li 3*67e74705SXin Li@interface INTF1 4*67e74705SXin Li@required // expected-error {{directive may only be specified in protocols only}} 5*67e74705SXin Li- (int) FooBar; 6*67e74705SXin Li- (int) FooBar1; 7*67e74705SXin Li- (int) FooBar2; 8*67e74705SXin Li@optional // expected-error {{directive may only be specified in protocols only}} 9*67e74705SXin Li+ (int) C; 10*67e74705SXin Li 11*67e74705SXin Li- (int)I; 12*67e74705SXin Li@end 13*67e74705SXin Li 14*67e74705SXin Li@protocol p1,p2,p3; 15*67e74705SXin Li 16*67e74705SXin Li@protocol p1; 17*67e74705SXin Li 18*67e74705SXin Li@protocol PROTO1 19*67e74705SXin Li@required 20*67e74705SXin Li- (int) FooBar; 21*67e74705SXin Li@optional 22*67e74705SXin Li- (void) MyMethod1; 23*67e74705SXin Li+ (int) S; 24*67e74705SXin Li@end 25*67e74705SXin Li 26*67e74705SXin Li 27*67e74705SXin Li@protocol PROTO2<p1> 28*67e74705SXin Li@end 29*67e74705SXin Li 30*67e74705SXin Li@protocol p1 @end 31*67e74705SXin Li 32*67e74705SXin Li@protocol PROTO<p1> // expected-note {{previous definition is here}} 33*67e74705SXin Li@end 34*67e74705SXin Li 35*67e74705SXin Li@protocol PROTO<p1> // expected-warning {{duplicate protocol definition of 'PROTO'}} 36*67e74705SXin Li@end 37*67e74705SXin Li 38*67e74705SXin Li@protocol PROTO3<p1, p1> 39*67e74705SXin Li@end 40*67e74705SXin Li 41*67e74705SXin Li@protocol p2 <p1> 42*67e74705SXin Li@end 43*67e74705SXin Li 44*67e74705SXin Li@protocol PROTO4 <p1, p2, PROTO, PROTO3, p3> 45*67e74705SXin Li@end 46*67e74705SXin Li 47*67e74705SXin Li 48*67e74705SXin Li// rdar://6771034 49*67e74705SXin Li@protocol XX; 50*67e74705SXin Li@protocol YY <XX> // Use of declaration of XX here should not cause a warning. 51*67e74705SXin Li- zz; 52*67e74705SXin Li@end 53*67e74705SXin Li 54*67e74705SXin Li 55*67e74705SXin Li// Detect circular dependencies. 56*67e74705SXin Li@protocol B; 57*67e74705SXin Li@protocol C < B > // expected-note{{previous definition is here}} 58*67e74705SXin Li@end 59*67e74705SXin Li@protocol A < C > 60*67e74705SXin Li@end 61*67e74705SXin Li@protocol B < A > // expected-error{{protocol has circular dependency}} 62*67e74705SXin Li@end 63*67e74705SXin Li 64*67e74705SXin Li@protocol P 65*67e74705SXin Li- (int)test:(int)param, ..; // expected-warning{{type specifier missing}} \ 66*67e74705SXin Li // expected-error{{expected ';' after method prototype}} 67*67e74705SXin Li@end 68