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 | |