1// RUN: %clang_cc1 -fsyntax-only -verify %s
2
3@interface INTF1 @end
4
5@protocol p1,p2,p3; // expected-note {{protocol 'p2' has no definition}} \
6                    // expected-note {{protocol 'p3' has no definition}}
7
8@protocol p1;
9
10@protocol PROTO1
11- (INTF1<p1>*) meth;
12@end
13
14@protocol p1 @end
15
16@interface I1 <p1> @end
17
18@interface E1 <p2> @end	// expected-warning {{cannot find protocol definition for 'p2'}}
19
20@protocol p2 @end
21
22
23@interface I2 <p1,p2> @end
24
25@interface E2 <p1,p2,p3> @end  // expected-warning {{cannot find protocol definition for 'p3'}}
26
27@class U1, U2; // expected-note {{forward declaration of class here}}
28
29@interface E3 : U1 @end // expected-error {{attempting to use the forward class 'U1' as superclass of 'E3'}}
30
31
32@interface I3 : E3  @end
33
34@interface U2 @end
35
36@interface I4 : U2 <p1,p2>
37@end
38
39// rdar://16111182
40@interface NSObject @end
41
42@protocol UndefinedParentProtocol; // expected-note {{protocol 'UndefinedParentProtocol' has no definition}}
43
44@protocol UndefinedProtocol <UndefinedParentProtocol>
45@end
46
47@interface SomeObject : NSObject <UndefinedProtocol> // expected-warning {{cannot find protocol definition for 'UndefinedProtocol'}}
48@end
49