58 lines
1.4 KiB
Objective-C
58 lines
1.4 KiB
Objective-C
// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s
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@class FOO, BAR; // expected-note {{forward declaration of class here}}
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@class FOO, BAR;
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@interface INTF : FOO // expected-error {{attempting to use the forward class 'FOO' as superclass of 'INTF'}}
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@end
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@interface FOO
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- (BAR*) Meth1;
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- (FOO*) Meth2;
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@end
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@interface INTF1 : FOO
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@end
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@interface INTF2 : INTF1 // expected-note {{previous definition is here}}
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@end
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@class INTF1, INTF2;
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@interface INTF2 : INTF1 // expected-error {{duplicate interface definition for class 'INTF2'}}
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@end
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// 2nd test of a forward class declaration matching a typedef name
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// referring to class object.
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// FIXME. This may become a negative test should we decide to make this an error.
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//
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@interface NSObject @end
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@protocol XCElementP @end
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typedef NSObject <XCElementP> XCElement; // expected-note {{previous definition is here}}
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@interface XCElementMainImp {
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XCElement * _editingElement;
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}
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@end
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@class XCElement; // expected-warning {{redefinition of forward class 'XCElement' of a typedef name of an object type is ignored}}
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@implementation XCElementMainImp
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- (XCElement *)editingElement { return _editingElement; }
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@end
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// rdar://9653341
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@class B; // expected-note {{forward declaration of class here}}
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@interface A : B {} // expected-error {{attempting to use the forward class 'B' as superclass of 'A'}}
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@end
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@interface B : A {}
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@end
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@implementation A @end
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@implementation B @end
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