1 // RUN: %clang_cc1 -fsyntax-only -verify -fblocks %s
5 void foo(id <NSObject>(^objectCreationBlock)(void)) {
6 return bar(objectCreationBlock);
9 void bar2(id(*)(void));
10 void foo2(id <NSObject>(*objectCreationBlock)(void)) {
11 return bar2(objectCreationBlock);
15 void foo3(id (*objectCreationBlock)(int)) {
16 return bar3(objectCreationBlock);
20 void foo4(id (^objectCreationBlock)(int)) {
21 return bar4(objectCreationBlock);
24 void bar5(id(^)(void)); // expected-note{{passing argument to parameter here}}
25 void foo5(id (^objectCreationBlock)(int)) {
26 return bar5(objectCreationBlock); // expected-error {{incompatible block pointer types passing 'id (^)(int)' to parameter of type 'id (^)(void)'}}
29 void bar6(id(^)(int));
30 void foo6(id (^objectCreationBlock)()) {
31 return bar6(objectCreationBlock);
34 void foo7(id (^x)(int)) {
42 void *P = ^(itf x) {}; // expected-error {{Objective-C interface type 'itf' cannot be passed by value; did you forget * in 'itf'}}
43 P = ^itf(int x) {}; // expected-error {{Objective-C interface type 'itf' cannot be returned by value; did you forget * in 'itf'}}
44 P = ^itf() {}; // expected-error {{Objective-C interface type 'itf' cannot be returned by value; did you forget * in 'itf'}}
45 P = ^itf{}; // expected-error {{Objective-C interface type 'itf' cannot be returned by value; did you forget * in 'itf'}}
50 typedef void (^DVTOperationGroupScheduler)();
51 id _suboperationSchedulers;
53 for (DVTOperationGroupScheduler scheduler in _suboperationSchedulers) {
62 extern void NSLog(NSString *format, ...) __attribute__((format(__NSString__, 1, 2)));
65 void(^myBlock)(void) = ^{
67 NSLog(@"%@", myBlock);