1 // RUN: %clang_cc1 -fsyntax-only -verify -fblocks %s 2 @protocol NSObject; 3 4 void bar(id(^)(void)); 5 void foo(id <NSObject>(^objectCreationBlock)(void)) { 6 return bar(objectCreationBlock); 7 } 8 9 void bar2(id(*)(void)); 10 void foo2(id <NSObject>(*objectCreationBlock)(void)) { 11 return bar2(objectCreationBlock); 12 } 13 14 void bar3(id(*)()); 15 void foo3(id (*objectCreationBlock)(int)) { 16 return bar3(objectCreationBlock); 17 } 18 19 void bar4(id(^)()); 20 void foo4(id (^objectCreationBlock)(int)) { 21 return bar4(objectCreationBlock); 22 } 23 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)'}} 27 } 28 29 void bar6(id(^)(int)); 30 void foo6(id (^objectCreationBlock)()) { 31 return bar6(objectCreationBlock); 32 } 33 34 void foo7(id (^x)(int)) { 35 if (x) { } 36 } 37 38 @interface itf 39 @end 40 41 void foo8() { 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'}} 46 } 47 48 49 int foo9() { 50 typedef void (^DVTOperationGroupScheduler)(); 51 id _suboperationSchedulers; 52 53 for (DVTOperationGroupScheduler scheduler in _suboperationSchedulers) { 54 ; 55 } 56 57 } 58 59 // rdar 7725203 60 @class NSString; 61 62 extern void NSLog(NSString *format, ...) __attribute__((format(__NSString__, 1, 2))); 63 64 void foo10() { 65 void(^myBlock)(void) = ^{ 66 }; 67 NSLog(@"%@", myBlock); 68 } 69 70
