| // RUN: clang -fsyntax-only -verify -fblocks %s |
| @protocol NSObject; |
| |
| void bar(id(^)(void)); |
| void foo(id <NSObject>(^objectCreationBlock)(void)) { |
| return bar(objectCreationBlock); // expected-warning{{incompatible pointer types passing 'id (^)(void)', expected 'id<NSObject> (^)(void)'}} |
| } |
| |
| void bar2(id(*)(void)); |
| void foo2(id <NSObject>(*objectCreationBlock)(void)) { |
| return bar2(objectCreationBlock); // expected-warning{{incompatible pointer types passing 'id (*)(void)', expected 'id<NSObject> (*)(void)'}} |
| } |
| |
| void bar3(id(*)()); // expected-note{{candidate function}} |
| void foo3(id (*objectCreationBlock)(int)) { |
| return bar3(objectCreationBlock); // expected-error{{no matching}} |
| } |
| |
| void bar4(id(^)()); // expected-note{{candidate function}} |
| void foo4(id (^objectCreationBlock)(int)) { |
| return bar4(objectCreationBlock); // expected-error{{no matching}} |
| } |
| |
| void foo5(id (^x)(int)) { |
| if (x) { } |
| } |
| |
| // <rdar://problem/6590445> |
| @interface Foo { |
| @private |
| void (^_block)(void); |
| } |
| - (void)bar; |
| @end |
| |
| namespace N { |
| class X { }; |
| void foo(X); |
| } |
| |
| @implementation Foo |
| - (void)bar { |
| _block(); |
| foo(N::X()); // okay |
| } |
| @end |