| 1 | // RUN: %clang_cc1 -fsyntax-only -fobjc-arc -fobjc-runtime-has-weak -verify -fblocks %s |
| 2 | |
| 3 | typedef const void * CFTypeRef; |
| 4 | CFTypeRef CFBridgingRetain(id X); |
| 5 | id CFBridgingRelease(CFTypeRef); |
| 6 | |
| 7 | void * cvt(id arg) |
| 8 | { |
| 9 | void* voidp_val; |
| 10 | (void)(int*)arg; // expected-error {{cast of an Objective-C pointer to 'int *' is disallowed with ARC}} |
| 11 | (void)(id)arg; |
| 12 | (void)(__autoreleasing id*)arg; // expected-error {{cast of an Objective-C pointer to '__autoreleasing id *' is disallowed with ARC}} |
| 13 | (void)(id*)arg; // expected-error {{cast of an Objective-C pointer to '__strong id *' is disallowed with ARC}} |
| 14 | |
| 15 | (void)(__autoreleasing id**)voidp_val; |
| 16 | (void)(void*)voidp_val; |
| 17 | (void)(void**)arg; // expected-error {{cast of an Objective-C pointer to 'void **' is disallowed with ARC}} |
| 18 | cvt((void*)arg); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'void *' requires a bridged cast}} \ |
| 19 | // expected-error {{implicit conversion of C pointer type 'void *' to Objective-C pointer type 'id' requires a bridged cast}} \ |
| 20 | // expected-note 2 {{use __bridge to convert directly (no change in ownership)}} \ |
| 21 | // expected-note {{use CFBridgingRetain call to make an ARC object available as a +1 'void *'}} \ |
| 22 | // expected-note {{use CFBridgingRelease call to transfer ownership of a +1 'void *' into ARC}} |
| 23 | cvt(0); |
| 24 | (void)(__strong id**)(0); |
| 25 | return arg; // expected-error {{implicit conversion of Objective-C pointer type 'id' to C pointer type 'void *' requires a bridged cast}} \ |
| 26 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
| 27 | // expected-note {{use CFBridgingRetain call to make an ARC object available as a +1 'void *'}} |
| 28 | } |
| 29 | |
| 30 | void to_void(__strong id *sip, __weak id *wip, |
| 31 | __autoreleasing id *aip, |
| 32 | __unsafe_unretained id *uip) { |
| 33 | void *vp1 = sip; |
| 34 | void *vp2 = wip; |
| 35 | void *vp3 = aip; |
| 36 | void *vp4 = uip; |
| 37 | (void)(void*)sip; |
| 38 | (void)(void*)wip; |
| 39 | (void)(void*)aip; |
| 40 | (void)(void*)uip; |
| 41 | (void)(void*)&sip; |
| 42 | (void)(void*)&wip; |
| 43 | (void)(void*)&aip; |
| 44 | (void)(void*)&uip; |
| 45 | } |
| 46 | |
| 47 | void from_void(void *vp) { |
| 48 | __strong id *sip = (__strong id *)vp; |
| 49 | __weak id *wip = (__weak id *)vp; |
| 50 | __autoreleasing id *aip = (__autoreleasing id *)vp; |
| 51 | __unsafe_unretained id *uip = (__unsafe_unretained id *)vp; |
| 52 | |
| 53 | __strong id **sipp = (__strong id **)vp; |
| 54 | __weak id **wipp = (__weak id **)vp; |
| 55 | __autoreleasing id **aipp = (__autoreleasing id **)vp; |
| 56 | __unsafe_unretained id **uipp = (__unsafe_unretained id **)vp; |
| 57 | |
| 58 | sip = vp; // expected-error{{implicit conversion of a non-Objective-C pointer type 'void *' to '__strong id *' is disallowed with ARC}} |
| 59 | wip = vp; // expected-error{{implicit conversion of a non-Objective-C pointer type 'void *' to '__weak id *' is disallowed with ARC}} |
| 60 | aip = vp; // expected-error{{implicit conversion of a non-Objective-C pointer type 'void *' to '__autoreleasing id *' is disallowed with ARC}} |
| 61 | uip = vp; // expected-error{{implicit conversion of a non-Objective-C pointer type 'void *' to '__unsafe_unretained id *' is disallowed with ARC}} |
| 62 | } |
| 63 | |
| 64 | typedef void (^Block)(); |
| 65 | typedef void (^Block_strong)() __strong; |
| 66 | typedef void (^Block_autoreleasing)() __autoreleasing; |
| 67 | |
| 68 | @class NSString; |
| 69 | |
| 70 | void ownership_transfer_in_cast(void *vp, Block *pblk) { |
| 71 | __strong NSString **sip = (NSString**)(__strong id *)vp; |
| 72 | __weak NSString **wip = (NSString**)(__weak id *)vp; |
| 73 | __autoreleasing id *aip = (id*)(__autoreleasing id *)vp; |
| 74 | __unsafe_unretained id *uip = (id*)(__unsafe_unretained id *)vp; |
| 75 | |
| 76 | __strong id **sipp = (id**)(__strong id **)vp; |
| 77 | __weak id **wipp = (id**)(__weak id **)vp; |
| 78 | __autoreleasing id **aipp = (id**)(__autoreleasing id **)vp; |
| 79 | __unsafe_unretained id **uipp = (id**)(__unsafe_unretained id **)vp; |
| 80 | |
| 81 | Block_strong blk_strong1; |
| 82 | Block_strong blk_strong2 = (Block)blk_strong1; |
| 83 | Block_autoreleasing *blk_auto = (Block*)pblk; |
| 84 | |
| 85 | id lv; |
| 86 | (void)(id)&lv; // expected-error {{cast of an indirect pointer to an Objective-C pointer to 'id'}} |
| 87 | (void)(id*)lv; // expected-error {{cast of an Objective-C pointer to '__strong id *'}} |
| 88 | (void)(NSString*)&lv; // expected-error {{cast of an indirect pointer to an Objective-C pointer to 'NSString *'}} |
| 89 | (void)(NSString**)lv; // expected-error {{cast of an Objective-C pointer to 'NSString *__strong *'}} |
| 90 | (void)(Block)&lv; // expected-error {{cast of an indirect pointer to an Objective-C pointer to 'Block'}} |
| 91 | (void)(Block*)lv; // expected-error {{cast of an Objective-C pointer to '__strong Block *'}} |
| 92 | } |
| 93 | |
| 94 | // <rdar://problem/10486347> |
| 95 | void conversion_in_conditional(id a, void* b) { |
| 96 | id c = 1 ? a : b; // expected-error {{operands to conditional of types 'id' and 'void *' are incompatible in ARC mode}} |
| 97 | id d = 1 ? b : a; // expected-error {{operands to conditional of types 'void *' and 'id' are incompatible in ARC mode}} |
| 98 | } |
| 99 | |