| // RUN: clang-cc -fsyntax-only -verify -fblocks %s |
| @protocol NSObject; |
| |
| void bar(id(^)(void)); |
| void foo(id <NSObject>(^objectCreationBlock)(void)) { |
| return bar(objectCreationBlock); |
| } |
| |
| void bar2(id(*)(void)); |
| void foo2(id <NSObject>(*objectCreationBlock)(void)) { |
| return bar2(objectCreationBlock); |
| } |
| |
| void bar3(id(*)()); |
| void foo3(id (*objectCreationBlock)(int)) { |
| return bar3(objectCreationBlock); |
| } |
| |
| void bar4(id(^)()); |
| void foo4(id (^objectCreationBlock)(int)) { |
| return bar4(objectCreationBlock); |
| } |
| |
| void bar5(id(^)(void)); |
| void foo5(id (^objectCreationBlock)(int)) { |
| return bar5(objectCreationBlock); // expected-error {{incompatible block pointer types passing 'id (^)(int)', expected 'id (^)(void)'}} |
| } |
| |
| void bar6(id(^)(int)); |
| void foo6(id (^objectCreationBlock)()) { |
| return bar6(objectCreationBlock); // expected-error {{incompatible block pointer types passing 'id (^)()', expected 'id (^)(int)'}} |
| } |
| |
| void foo7(id (^x)(int)) { |
| if (x) { } |
| } |
| |
| @interface itf |
| @end |
| |
| void foo8() { |
| void *P = ^(itf x) {}; // expected-error {{Objective-C interface type 'itf' cannot be passed by value}} |
| P = ^itf(int x) {}; // expected-error {{Objective-C interface type 'itf' cannot be returned by value}} |
| P = ^itf() {}; // expected-error {{Objective-C interface type 'itf' cannot be returned by value}} |
| P = ^itf{}; // expected-error {{Objective-C interface type 'itf' cannot be returned by value}} |
| } |