1 // RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s 2 3 @protocol SUPER; // expected-note {{protocol 'SUPER' has no definition}} 4 5 @interface SUPER <SUPER> @end // expected-warning {{cannot find protocol definition for 'SUPER'}} 6 7 typedef int INTF; // expected-note {{previous definition is here}} 8 9 @interface INTF @end // expected-error {{redefinition of 'INTF' as different kind of symbol}} 10 11 @interface OBJECT @end // expected-note {{previous definition is here}} 12 13 @interface INTF1 : OBJECT @end // expected-note {{previous definition is here}} 14 15 @interface INTF1 : OBJECT @end // expected-error {{duplicate interface definition for class 'INTF1'}} 16 17 typedef int OBJECT; // expected-error {{redefinition of 'OBJECT' as different kind of symbol}} 18 19 typedef int OBJECT2; // expected-note 2 {{previous definition is here}} 20 @interface INTF2 : OBJECT2 @end // expected-error {{redefinition of 'OBJECT2' as different kind of symbol}} 21 22 @implementation INTF2 : OBJECT2 @end // expected-error {{redefinition of 'OBJECT2' as different kind of symbol}} 23 24 @protocol PROTO; 25 26 @interface INTF3 : PROTO @end // expected-error {{cannot find interface declaration for 'PROTO', superclass of 'INTF3'}} 27 28 // Make sure we allow the following (for GCC compatibility). 29 @interface NSObject @end 30 typedef NSObject TD_NSObject; 31 @interface XCElementUnit : TD_NSObject {} 32 @end 33 34 // Make sure we don't typo-correct to ourselves. 35 @interface SomeClassSub : SomeClassSup // expected-error{{cannot find interface declaration for 'SomeClassSup', superclass of 'SomeClassSub'}} 36 @end 37
