blob: b5d57740eec01f31c175291a67a599ba00051bad (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -fblocks -verify %s
typedef const void *CFTypeRef;
typedef const struct __CFString *CFStringRef;
@interface NSString
@end
CFTypeRef CFCreateSomething();
CFStringRef CFCreateString();
CFTypeRef CFGetSomething();
CFStringRef CFGetString();
id CreateSomething();
NSString *CreateNSString();
template<typename IdType, typename StringType, typename IntPtrType>
void from_cf() {
id obj1 = (__bridge_transfer IdType)CFCreateSomething();
id obj2 = (__bridge_transfer StringType)CFCreateString();
(__bridge IntPtrType)CFCreateSomething(); // expected-error{{incompatible types casting 'CFTypeRef' (aka 'const void *') to 'int *' with a __bridge cast}}
id obj3 = (__bridge IdType)CFGetSomething();
id obj4 = (__bridge StringType)CFGetString();
}
template void from_cf<id, NSString*, int*>(); // expected-note{{in instantiation of function template specialization}}
template<typename IdType, typename StringType>
void to_cf(id obj) {
CFTypeRef cf1 = (__bridge_retained IdType)CreateSomething();
CFStringRef cf2 = (__bridge_retained StringType)CreateNSString();
CFTypeRef cf3 = (__bridge IdType)CreateSomething();
CFStringRef cf4 = (__bridge StringType)CreateNSString();
}
template void to_cf<CFTypeRef, CFStringRef>(id);
// rdar://problem/20107345
typedef const struct __attribute__((objc_bridge(id))) __CFAnnotatedObject *CFAnnotatedObjectRef;
CFAnnotatedObjectRef CFGetAnnotated();
void testObjCBridgeId() {
id obj;
obj = (__bridge id)CFGetAnnotated();
obj = (__bridge NSString*)CFGetAnnotated();
obj = (__bridge_transfer id)CFGetAnnotated();
obj = (__bridge_transfer NSString*)CFGetAnnotated();
CFAnnotatedObjectRef ref;
ref = (__bridge CFAnnotatedObjectRef) CreateSomething();
ref = (__bridge CFAnnotatedObjectRef) CreateNSString();
ref = (__bridge_retained CFAnnotatedObjectRef) CreateSomething();
ref = (__bridge_retained CFAnnotatedObjectRef) CreateNSString();
}
struct __CFAnnotatedObject {
} cf0;
extern const CFAnnotatedObjectRef r0;
extern const CFAnnotatedObjectRef r1 = &cf0;
extern "C" const CFAnnotatedObjectRef r2;
extern "C" const CFAnnotatedObjectRef r3 = &cf0;
void testExternC() {
id obj;
obj = (id)r0;
obj = (id)r1; // expected-error{{cast of C pointer type 'CFAnnotatedObjectRef' (aka 'const __CFAnnotatedObject *') to Objective-C pointer type 'id' requires a bridged cast}} expected-note{{use __bridge to convert directly}} expected-note{{use __bridge_transfer to transfer ownership of a +1 'CFAnnotatedObjectRef'}}
obj = (id)r2;
obj = (id)r3; // expected-error{{cast of C pointer type 'CFAnnotatedObjectRef' (aka 'const __CFAnnotatedObject *') to Objective-C pointer type 'id' requires a bridged cast}} expected-note{{use __bridge to convert directly}} expected-note{{use __bridge_transfer to transfer ownership of a +1 'CFAnnotatedObjectRef'}}
}
|
