1 // RUN: %clang_cc1 -fsyntax-only -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 48 // rdar://6771034 49 @protocol XX; 50 @protocol YY <XX> // Use of declaration of XX here should not cause a warning. 51 - zz; 52 @end 53 54 55 // Detect circular dependencies. 56 @protocol B; 57 @protocol C < B > // expected-note{{previous definition is here}} 58 @end 59 @protocol A < C > 60 @end 61 @protocol B < A > // expected-error{{protocol has circular dependency}} 62 @end 63 64 @protocol P 65 - (int)test:(int)param, ..; // expected-warning{{type specifier missing}} \ 66 // expected-error{{expected ';' after method prototype}} 67 @end 68
