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// RUN: %clang_cc1 -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);
}
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}}
}
int foo9() {
typedef void (^DVTOperationGroupScheduler)();
id _suboperationSchedulers;
for (DVTOperationGroupScheduler scheduler in _suboperationSchedulers) {
;
}
}
// rdar 7725203
@class NSString;
extern void NSLog(NSString *format, ...) __attribute__((format(__NSString__, 1, 2)));
void foo10() {
void(^myBlock)(void) = ^{
};
NSLog(@"%@", myBlock);
}
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