1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 @class Protocol; 4 5 @protocol fproto; // expected-note {{'fproto' declared here}} 6 7 @protocol p1 8 @end 9 10 @class cl; 11 12 int main() 13 { 14 Protocol *proto = @protocol(p1); 15 Protocol *fproto = @protocol(fproto); // expected-warning {{@protocol is using a forward protocol declaration of fproto}} 16 Protocol *pp = @protocol(i); // expected-error {{cannot find protocol declaration for 'i'}} 17 Protocol *p1p = @protocol(cl); // expected-error {{cannot find protocol declaration for 'cl'}} 18 } 19 20 // rdar://17768630 21 @protocol SuperProtocol; // expected-note {{'SuperProtocol' declared here}} 22 @protocol TestProtocol; // expected-note {{'TestProtocol' declared here}} 23 24 @interface I 25 - (int) conformsToProtocol : (Protocol *)protocl; 26 @end 27 28 int doesConform(id foo) { 29 return [foo conformsToProtocol:@protocol(TestProtocol)]; // expected-warning {{@protocol is using a forward protocol declaration of TestProtocol}} 30 } 31 32 int doesConformSuper(id foo) { 33 return [foo conformsToProtocol:@protocol(SuperProtocol)]; // expected-warning {{@protocol is using a forward protocol declaration of SuperProtocol}} 34 } 35