Daniel Dunbar | a572887 | 2009-12-15 20:14:24 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fsyntax-only -verify -fblocks %s |
Douglas Gregor | 30c4240 | 2011-09-27 22:38:19 +0000 | [diff] [blame] | 2 | |
| 3 | #define bool _Bool |
Steve Naroff | c0febd5 | 2008-12-10 17:49:55 +0000 | [diff] [blame] | 4 | @protocol NSObject; |
| 5 | |
| 6 | void bar(id(^)(void)); |
| 7 | void foo(id <NSObject>(^objectCreationBlock)(void)) { |
| 8 | return bar(objectCreationBlock); |
| 9 | } |
| 10 | |
| 11 | void bar2(id(*)(void)); |
| 12 | void foo2(id <NSObject>(*objectCreationBlock)(void)) { |
| 13 | return bar2(objectCreationBlock); |
| 14 | } |
| 15 | |
| 16 | void bar3(id(*)()); |
| 17 | void foo3(id (*objectCreationBlock)(int)) { |
| 18 | return bar3(objectCreationBlock); |
| 19 | } |
| 20 | |
| 21 | void bar4(id(^)()); |
| 22 | void foo4(id (^objectCreationBlock)(int)) { |
Mike Stump | aab0f7a | 2009-04-01 01:17:39 +0000 | [diff] [blame] | 23 | return bar4(objectCreationBlock); |
Steve Naroff | c0febd5 | 2008-12-10 17:49:55 +0000 | [diff] [blame] | 24 | } |
Douglas Gregor | 2a7e58d | 2008-12-23 00:53:59 +0000 | [diff] [blame] | 25 | |
Douglas Gregor | 8987b23 | 2011-09-27 23:30:47 +0000 | [diff] [blame] | 26 | void bar5(id(^)(void)); // expected-note 3{{passing argument to parameter here}} |
Douglas Gregor | 30c4240 | 2011-09-27 22:38:19 +0000 | [diff] [blame] | 27 | void foo5(id (^objectCreationBlock)(bool)) { |
Douglas Gregor | 8987b23 | 2011-09-27 23:30:47 +0000 | [diff] [blame] | 28 | bar5(objectCreationBlock); // expected-error {{incompatible block pointer types passing 'id (^)(bool)' to parameter of type 'id (^)(void)'}} |
| 29 | #undef bool |
| 30 | bar5(objectCreationBlock); // expected-error {{incompatible block pointer types passing 'id (^)(_Bool)' to parameter of type 'id (^)(void)'}} |
| 31 | #define bool int |
| 32 | bar5(objectCreationBlock); // expected-error {{incompatible block pointer types passing 'id (^)(_Bool)' to parameter of type 'id (^)(void)'}} |
Mike Stump | aab0f7a | 2009-04-01 01:17:39 +0000 | [diff] [blame] | 33 | } |
| 34 | |
| 35 | void bar6(id(^)(int)); |
| 36 | void foo6(id (^objectCreationBlock)()) { |
Eli Friedman | 687abff | 2009-06-08 04:24:21 +0000 | [diff] [blame] | 37 | return bar6(objectCreationBlock); |
Mike Stump | aab0f7a | 2009-04-01 01:17:39 +0000 | [diff] [blame] | 38 | } |
| 39 | |
Chris Lattner | bb74982 | 2009-04-11 19:17:25 +0000 | [diff] [blame] | 40 | void foo7(id (^x)(int)) { |
Douglas Gregor | 2a7e58d | 2008-12-23 00:53:59 +0000 | [diff] [blame] | 41 | if (x) { } |
| 42 | } |
Chris Lattner | bb74982 | 2009-04-11 19:17:25 +0000 | [diff] [blame] | 43 | |
| 44 | @interface itf |
| 45 | @end |
| 46 | |
| 47 | void foo8() { |
Richard Trieu | 2fe9b7f | 2011-12-15 00:38:15 +0000 | [diff] [blame] | 48 | void *P = ^(itf x) {}; // expected-error {{interface type 'itf' cannot be passed by value; did you forget * in 'itf'}} |
| 49 | P = ^itf(int x) {}; // expected-error {{interface type 'itf' cannot be returned by value; did you forget * in 'itf'}} |
| 50 | P = ^itf() {}; // expected-error {{interface type 'itf' cannot be returned by value; did you forget * in 'itf'}} |
| 51 | P = ^itf{}; // expected-error {{interface type 'itf' cannot be returned by value; did you forget * in 'itf'}} |
Chris Lattner | bb74982 | 2009-04-11 19:17:25 +0000 | [diff] [blame] | 52 | } |
Fariborz Jahanian | a5e42a8 | 2009-08-14 21:53:27 +0000 | [diff] [blame] | 53 | |
| 54 | |
| 55 | int foo9() { |
| 56 | typedef void (^DVTOperationGroupScheduler)(); |
| 57 | id _suboperationSchedulers; |
| 58 | |
| 59 | for (DVTOperationGroupScheduler scheduler in _suboperationSchedulers) { |
| 60 | ; |
| 61 | } |
| 62 | |
| 63 | } |
Fariborz Jahanian | 2263f82 | 2010-03-09 18:34:52 +0000 | [diff] [blame] | 64 | |
| 65 | // rdar 7725203 |
| 66 | @class NSString; |
| 67 | |
| 68 | extern void NSLog(NSString *format, ...) __attribute__((format(__NSString__, 1, 2))); |
| 69 | |
| 70 | void foo10() { |
| 71 | void(^myBlock)(void) = ^{ |
| 72 | }; |
| 73 | NSLog(@"%@", myBlock); |
| 74 | } |
| 75 | |