1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -verify %s |
2 | |
3 | typedef const struct __CFString * CFStringRef; |
4 | typedef const void * CFTypeRef; |
5 | extern "C" CFTypeRef CFBridgingRetain(id X); |
6 | extern "C" id CFBridgingRelease(CFTypeRef); |
7 | |
8 | |
9 | @interface Object |
10 | @property CFStringRef property; |
11 | - (CFStringRef) implicitProperty; |
12 | - (CFStringRef) newString; |
13 | - (CFStringRef) makeString; |
14 | @end |
15 | |
16 | extern Object *object; |
17 | |
18 | // rdar://9744349 |
19 | id test0(void) { |
20 | id p1 = (id)[object property]; |
21 | id p2 = (__bridge_transfer id)[object property]; |
22 | id p3 = (__bridge id)[object property]; |
23 | return (id) object.property; |
24 | } |
25 | |
26 | // rdar://10140692 |
27 | CFStringRef unauditedString(void); |
28 | CFStringRef plusOneString(void) __attribute__((cf_returns_retained)); |
29 | |
30 | #pragma clang arc_cf_code_audited begin |
31 | CFStringRef auditedString(void); |
32 | CFStringRef auditedCreateString(void); |
33 | #pragma clang arc_cf_code_audited end |
34 | |
35 | void test1(int cond) { |
36 | id x; |
37 | x = (id) auditedString(); |
38 | x = (id) (cond ? auditedString() : (void*) 0); |
39 | x = (id) (cond ? (void*) 0 : auditedString()); |
40 | x = (id) (cond ? (CFStringRef) @"help" : auditedString()); |
41 | |
42 | x = (id) unauditedString(); // expected-error {{requires a bridged cast}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRelease call to}} |
43 | x = (id) (cond ? unauditedString() : (void*) 0); // expected-error {{requires a bridged cast}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRelease call to}} |
44 | x = (id) (cond ? (void*) 0 : unauditedString()); // expected-error {{requires a bridged cast}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRelease call to}} |
45 | x = (id) (cond ? (CFStringRef) @"help" : unauditedString()); // expected-error {{requires a bridged cast}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRelease call to}} |
46 | |
47 | x = (id) auditedCreateString(); // expected-error {{requires a bridged cast}} expected-note {{use CFBridgingRelease call to}} |
48 | x = (id) (cond ? auditedCreateString() : (void*) 0); // expected-error {{requires a bridged cast}} expected-note {{use CFBridgingRelease call to}} |
49 | x = (id) (cond ? (void*) 0 : auditedCreateString()); // expected-error {{requires a bridged cast}} expected-note {{use CFBridgingRelease call to}} |
50 | x = (id) (cond ? (CFStringRef) @"help" : auditedCreateString()); // expected-error {{requires a bridged cast}} expected-note {{use CFBridgingRelease call to}} |
51 | |
52 | x = (id) [object property]; |
53 | x = (id) (cond ? [object property] : (void*) 0); |
54 | x = (id) (cond ? (void*) 0 : [object property]); |
55 | x = (id) (cond ? (CFStringRef) @"help" : [object property]); |
56 | |
57 | x = (id) object.property; |
58 | x = (id) (cond ? object.property : (void*) 0); |
59 | x = (id) (cond ? (void*) 0 : object.property); |
60 | x = (id) (cond ? (CFStringRef) @"help" : object.property); |
61 | |
62 | x = (id) object.implicitProperty; |
63 | x = (id) (cond ? object.implicitProperty : (void*) 0); |
64 | x = (id) (cond ? (void*) 0 : object.implicitProperty); |
65 | x = (id) (cond ? (CFStringRef) @"help" : object.implicitProperty); |
66 | |
67 | x = (id) [object makeString]; |
68 | x = (id) (cond ? [object makeString] : (void*) 0); |
69 | x = (id) (cond ? (void*) 0 : [object makeString]); |
70 | x = (id) (cond ? (CFStringRef) @"help" : [object makeString]); |
71 | |
72 | x = (id) [object newString]; |
73 | x = (id) (cond ? [object newString] : (void*) 0); |
74 | x = (id) (cond ? (void*) 0 : [object newString]); |
75 | x = (id) (cond ? (CFStringRef) @"help" : [object newString]); // a bit questionable |
76 | } |
77 | |
78 | // rdar://problem/10246264 |
79 | @interface CFTaker |
80 | - (void) takeOrdinary: (CFStringRef) arg; |
81 | - (void) takeVariadic: (int) n, ...; |
82 | - (void) takeConsumed: (CFStringRef __attribute__((cf_consumed))) arg; |
83 | @end |
84 | void testCFTaker(CFTaker *taker, id string) { |
85 | [taker takeOrdinary: (CFStringRef) string]; |
86 | [taker takeVariadic: 1, (CFStringRef) string]; |
87 | [taker takeConsumed: (CFStringRef) string]; // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}} |
88 | } |
89 | |
90 | void takeCFOrdinaryUnaudited(CFStringRef arg); |
91 | void takeCFVariadicUnaudited(int n, ...); |
92 | void takeCFConsumedUnaudited(CFStringRef __attribute__((cf_consumed)) arg); |
93 | #pragma clang arc_cf_code_audited begin |
94 | void takeCFOrdinaryAudited(CFStringRef arg); |
95 | void takeCFVariadicAudited(int n, ...); |
96 | void takeCFConsumedAudited(CFStringRef __attribute__((cf_consumed)) arg); |
97 | #pragma clang arc_cf_code_audited end |
98 | |
99 | void testTakerFunctions(id string) { |
100 | takeCFOrdinaryUnaudited((CFStringRef) string); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}} |
101 | takeCFVariadicUnaudited(1, (CFStringRef) string); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}} |
102 | takeCFConsumedUnaudited((CFStringRef) string); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}} |
103 | |
104 | void (*taker)(CFStringRef) = 0; |
105 | taker((CFStringRef) string); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}} |
106 | |
107 | takeCFOrdinaryAudited((CFStringRef) string); |
108 | takeCFVariadicAudited(1, (CFStringRef) string); |
109 | takeCFConsumedAudited((CFStringRef) string); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}} |
110 | } |
111 | |
112 | // rdar://12788838 |
113 | id obj; |
114 | |
115 | void rdar12788838() { |
116 | void *foo = reinterpret_cast<void *>(obj); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'void *' requires a bridged cast}} \ |
117 | // expected-note {{use __bridge with C-style cast to convert directly}} \ |
118 | // expected-note {{use CFBridgingRetain call to make an ARC object available as a +1 'void *'}} |
119 | } |
120 | |