1 // RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s 2 3 @interface X1 4 @end 5 @implementation X1 // expected-note {{implementation started here}} 6 @interface Y1 // expected-error {{missing '@end'}} 7 @end 8 @end // expected-error {{'@end' must appear in an Objective-C context}} 9 10 @interface X2 11 @end 12 @implementation X2 // expected-note {{implementation started here}} 13 @protocol Y2 // expected-error {{missing '@end'}} 14 @end 15 @end // expected-error {{'@end' must appear in an Objective-C context}} 16 17 @interface X6 // expected-note {{class started here}} 18 @interface X7 // expected-error {{missing '@end'}} 19 @end 20 @end // expected-error {{'@end' must appear in an Objective-C context}} 21 22 @protocol P1 // expected-note {{protocol started here}} 23 @interface P2 // expected-error {{missing '@end'}} 24 @end 25 @end // expected-error {{'@end' must appear in an Objective-C context}} 26 27 @interface X4 // expected-note {{class started here}} 28 @implementation X4 // expected-error {{missing '@end'}} 29 @end 30 @end // expected-error {{'@end' must appear in an Objective-C context}} 31 32 @interface I 33 @end 34 @implementation I 35 @protocol P; // forward declarations of protocols in @implementations is allowed 36 @class C; // forward declarations of classes in @implementations is allowed 37 - (C<P>*) MyMeth {} 38 @end 39 40 @interface I2 {} 41 @protocol P2; // expected-error {{illegal interface qualifier}} 42 @class C2; // expected-error {{illegal interface qualifier}} 43 @end 44 45 @interface I3 46 @end 47 @implementation I3 48 - Meth {} 49 + Cls {} 50 @protocol P3; 51 @end 52