aboutsummaryrefslogtreecommitdiff
path: root/test/SemaObjC/objcbridge-attribute.m
blob: a268caef8a500fa5307dcecf3032c2979c89ed85 (plain) (blame)
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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s
// rdar://15454846

typedef struct __attribute__ ((objc_bridge(NSError))) __CFErrorRef * CFErrorRef; // expected-note 3 {{declared here}}

typedef struct __attribute__ ((objc_bridge(MyError))) __CFMyErrorRef * CFMyErrorRef; // expected-note 1 {{declared here}}

typedef struct __attribute__((objc_bridge(12))) __CFMyColor  *CFMyColorRef; // expected-error {{parameter of 'objc_bridge' attribute must be a single name of an Objective-C class}}

typedef struct __attribute__ ((objc_bridge)) __CFArray *CFArrayRef; // expected-error {{'objc_bridge' attribute takes one argument}}

typedef void *  __attribute__ ((objc_bridge(NSURL))) CFURLRef;  // expected-error {{'objc_bridge' attribute only applies to struct or union}}

typedef void * CFStringRef __attribute__ ((objc_bridge(NSString))); // expected-error {{'objc_bridge' attribute only applies to struct or union}}

typedef struct __attribute__((objc_bridge(NSLocale, NSError))) __CFLocale *CFLocaleRef;// expected-error {{use of undeclared identifier 'NSError'}}

typedef struct __CFData __attribute__((objc_bridge(NSData))) CFDataRef; // expected-error {{'objc_bridge' attribute only applies to struct or union}}

typedef struct __attribute__((objc_bridge(NSDictionary))) __CFDictionary * CFDictionaryRef; // expected-note {{declared here}}

typedef struct __CFSetRef * CFSetRef __attribute__((objc_bridge(NSSet))); // expected-error {{'objc_bridge' attribute only applies to struct or union}};

typedef union __CFUColor __attribute__((objc_bridge(NSUColor))) * CFUColorRef; // expected-error {{'objc_bridge' attribute only applies to struct or union}};

typedef union __CFUColor __attribute__((objc_bridge(NSUColor))) *CFUColor1Ref; // expected-error {{'objc_bridge' attribute only applies to struct or union}};

typedef union __attribute__((objc_bridge(NSUColor))) __CFUPrimeColor XXX;
typedef XXX *CFUColor2Ref;

@interface I
{
   __attribute__((objc_bridge(NSError))) void * color; // expected-error {{'objc_bridge' attribute only applies to struct or union}};
}
@end

@protocol NSTesting @end
@class NSString;

typedef struct __attribute__((objc_bridge(NSTesting))) __CFError *CFTestingRef; // expected-note {{declared here}}

id Test1(CFTestingRef cf) {
  return (NSString *)cf; // expected-error {{CF object of type 'CFTestingRef' (aka 'struct __CFError *') is bridged to 'NSTesting', which is not an Objective-C class}}
}

typedef CFErrorRef CFErrorRef1;

typedef CFErrorRef1 CFErrorRef2; // expected-note {{declared here}}

@protocol P1 @end
@protocol P2 @end
@protocol P3 @end
@protocol P4 @end
@protocol P5 @end

@interface NSError<P1, P2, P3> @end // expected-note 3 {{declared here}}

@interface MyError : NSError // expected-note 1 {{declared here}}
@end

@interface NSUColor @end

@class NSString;

void Test2(CFErrorRef2 cf, NSError *ns, NSString *str, Class c, CFUColor2Ref cf2) {
  (void)(NSString *)cf; // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'NSString'}}
  (void)(NSError *)cf; // okay
  (void)(MyError*)cf; // okay,
  (void)(NSUColor *)cf2; // okay
  (void)(CFErrorRef)ns; // okay
  (void)(CFErrorRef)str;  // expected-warning {{'NSString' cannot bridge to 'CFErrorRef' (aka 'struct __CFErrorRef *')}}
  (void)(Class)cf; // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'Class'}}
  (void)(CFErrorRef)c; // expected-warning {{'Class' cannot bridge to 'CFErrorRef'}}
}


void Test3(CFErrorRef cf, NSError *ns) {
  (void)(id)cf; // okay
 (void)(id<P1, P2>)cf; // okay
 (void)(id<P1, P2, P4>)cf; // expected-warning {{'CFErrorRef' (aka 'struct __CFErrorRef *') bridges to NSError, not 'id<P1,P2,P4>'}}
}

void Test4(CFMyErrorRef cf) {
   (void)(id)cf; // okay
 (void)(id<P1, P2>)cf; // ok
 (void)(id<P1, P2, P3>)cf; // ok
 (void)(id<P2, P3>)cf; // ok
 (void)(id<P1, P2, P4>)cf; // expected-warning {{'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') bridges to MyError, not 'id<P1,P2,P4>'}}
}

void Test5(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) {
 (void)(CFErrorRef)ID; // ok
 (void)(CFErrorRef)P123; // ok
 (void)(CFErrorRef)P1234; // ok
 (void)(CFErrorRef)P12; // ok 
 (void)(CFErrorRef)P23; // ok
}

void Test6(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) {

 (void)(CFMyErrorRef)ID; // ok
 (void)(CFMyErrorRef)P123; // ok
 (void)(CFMyErrorRef)P1234; // ok
 (void)(CFMyErrorRef)P12; // ok
 (void)(CFMyErrorRef)P23; // ok
}

typedef struct __attribute__ ((objc_bridge(MyPersonalError))) __CFMyPersonalErrorRef * CFMyPersonalErrorRef;  // expected-note 1 {{declared here}}

@interface MyPersonalError : NSError <P4> // expected-note 1 {{declared here}}
@end

void Test7(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) {
 (void)(CFMyPersonalErrorRef)ID; // ok
 (void)(CFMyPersonalErrorRef)P123; // ok
 (void)(CFMyPersonalErrorRef)P1234; // ok
 (void)(CFMyPersonalErrorRef)P12; // ok
 (void)(CFMyPersonalErrorRef)P23; // ok
}

void Test8(CFMyPersonalErrorRef cf) {
  (void)(id)cf; // ok
  (void)(id<P1>)cf; // ok
  (void)(id<P1, P2>)cf; // ok
  (void)(id<P1, P2, P3>)cf; // ok
  (void)(id<P1, P2, P3, P4>)cf; // ok
  (void)(id<P1, P2, P3, P4, P5>)cf; // expected-warning {{'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') bridges to MyPersonalError, not 'id<P1,P2,P3,P4,P5>'}}
}

CFDictionaryRef bar() __attribute__((cf_returns_not_retained));
@class NSNumber;

void Test9() {
  NSNumber *w2 = (NSNumber*) bar(); // expected-error {{CF object of type 'CFDictionaryRef' (aka 'struct __CFDictionary *') is bridged to 'NSDictionary', which is not an Objective-C class}}
}