1// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s
2// rdar://15454846
3
4typedef struct __attribute__ ((objc_bridge(NSError))) __CFErrorRef * CFErrorRef; // expected-note 3 {{declared here}}
5
6typedef struct __attribute__ ((objc_bridge(MyError))) __CFMyErrorRef * CFMyErrorRef; // expected-note 1 {{declared here}}
7
8typedef struct __attribute__((objc_bridge(12))) __CFMyColor  *CFMyColorRef; // expected-error {{parameter of 'objc_bridge' attribute must be a single name of an Objective-C class}}
9
10typedef struct __attribute__ ((objc_bridge)) __CFArray *CFArrayRef; // expected-error {{'objc_bridge' attribute takes one argument}}
11
12typedef void *  __attribute__ ((objc_bridge(NSURL))) CFURLRef;  // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}
13
14typedef void * CFStringRef __attribute__ ((objc_bridge(NSString))); // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}
15
16typedef struct __attribute__((objc_bridge(NSLocale, NSError))) __CFLocale *CFLocaleRef;// expected-error {{use of undeclared identifier 'NSError'}}
17
18typedef struct __CFData __attribute__((objc_bridge(NSData))) CFDataRef; // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}
19
20typedef struct __attribute__((objc_bridge(NSDictionary))) __CFDictionary * CFDictionaryRef; // expected-note {{declared here}}
21
22typedef struct __CFSetRef * CFSetRef __attribute__((objc_bridge(NSSet))); // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}
23
24typedef union __CFUColor __attribute__((objc_bridge(NSUColor))) * CFUColorRef; // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}
25
26typedef union __CFUColor __attribute__((objc_bridge(NSUColor))) *CFUColor1Ref; // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}
27
28typedef union __attribute__((objc_bridge(NSUColor))) __CFUPrimeColor XXX;
29typedef XXX *CFUColor2Ref;
30
31typedef const void *ConstVoidRef __attribute__((objc_bridge(id)));
32typedef void *VoidRef __attribute__((objc_bridge(id)));
33typedef struct Opaque *OpaqueRef __attribute__((objc_bridge(id))); // expected-error {{'objc_bridge(id)' is only allowed on structs and typedefs of void pointers}}
34
35#if !__has_feature(objc_bridge_id_on_typedefs)
36#error objc_bridge(id) on typedefs feature not found!
37#endif
38
39@interface I
40{
41   __attribute__((objc_bridge(NSError))) void * color; // expected-error {{'objc_bridge' attribute only applies to structs, unions, and typedefs}};
42}
43@end
44
45@protocol NSTesting @end
46@class NSString;
47
48typedef struct __attribute__((objc_bridge(NSTesting))) __CFError *CFTestingRef; // expected-note {{declared here}}
49
50id Test1(CFTestingRef cf) {
51  return (NSString *)cf; // expected-error {{CF object of type 'CFTestingRef' (aka 'struct __CFError *') is bridged to 'NSTesting', which is not an Objective-C class}}
52}
53
54typedef CFErrorRef CFErrorRef1;
55
56typedef CFErrorRef1 CFErrorRef2; // expected-note {{declared here}}
57
58@protocol P1 @end
59@protocol P2 @end
60@protocol P3 @end
61@protocol P4 @end
62@protocol P5 @end
63
64@interface NSError<P1, P2, P3> @end // expected-note 3 {{declared here}}
65
66@interface MyError : NSError // expected-note 1 {{declared here}}
67@end
68
69@interface NSUColor @end
70
71@class NSString;
72
73void Test2(CFErrorRef2 cf, NSError *ns, NSString *str, Class c, CFUColor2Ref cf2) {
74  (void)(NSString *)cf; // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'NSString'}}
75  (void)(NSError *)cf; // okay
76  (void)(MyError*)cf; // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'MyError'}}
77  (void)(NSUColor *)cf2; // okay
78  (void)(CFErrorRef)ns; // okay
79  (void)(CFErrorRef)str;  // expected-warning {{'NSString' cannot bridge to 'CFErrorRef' (aka 'struct __CFErrorRef *')}}
80  (void)(Class)cf; // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'Class'}}
81  (void)(CFErrorRef)c; // expected-warning {{'Class' cannot bridge to 'CFErrorRef'}}
82}
83
84
85void Test3(CFErrorRef cf, NSError *ns) {
86  (void)(id)cf; // okay
87 (void)(id<P1, P2>)cf; // okay
88 (void)(id<P1, P2, P4>)cf; // expected-warning {{'CFErrorRef' (aka 'struct __CFErrorRef *') bridges to NSError, not 'id<P1,P2,P4>'}}
89}
90
91void Test4(CFMyErrorRef cf) {
92   (void)(id)cf; // okay
93 (void)(id<P1, P2>)cf; // ok
94 (void)(id<P1, P2, P3>)cf; // ok
95 (void)(id<P2, P3>)cf; // ok
96 (void)(id<P1, P2, P4>)cf; // expected-warning {{'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') bridges to MyError, not 'id<P1,P2,P4>'}}
97}
98
99void Test5(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) {
100 (void)(CFErrorRef)ID; // ok
101 (void)(CFErrorRef)P123; // ok
102 (void)(CFErrorRef)P1234; // ok
103 (void)(CFErrorRef)P12; // ok
104 (void)(CFErrorRef)P23; // ok
105}
106
107void Test6(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) {
108
109 (void)(CFMyErrorRef)ID; // ok
110 (void)(CFMyErrorRef)P123; // ok
111 (void)(CFMyErrorRef)P1234; // ok
112 (void)(CFMyErrorRef)P12; // ok
113 (void)(CFMyErrorRef)P23; // ok
114}
115
116typedef struct __attribute__ ((objc_bridge(MyPersonalError))) __CFMyPersonalErrorRef * CFMyPersonalErrorRef;  // expected-note 1 {{declared here}}
117
118@interface MyPersonalError : NSError <P4> // expected-note 1 {{declared here}}
119@end
120
121void Test7(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) {
122 (void)(CFMyPersonalErrorRef)ID; // ok
123 (void)(CFMyPersonalErrorRef)P123; // ok
124 (void)(CFMyPersonalErrorRef)P1234; // ok
125 (void)(CFMyPersonalErrorRef)P12; // ok
126 (void)(CFMyPersonalErrorRef)P23; // ok
127}
128
129void Test8(CFMyPersonalErrorRef cf) {
130  (void)(id)cf; // ok
131  (void)(id<P1>)cf; // ok
132  (void)(id<P1, P2>)cf; // ok
133  (void)(id<P1, P2, P3>)cf; // ok
134  (void)(id<P1, P2, P3, P4>)cf; // ok
135  (void)(id<P1, P2, P3, P4, P5>)cf; // expected-warning {{'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') bridges to MyPersonalError, not 'id<P1,P2,P3,P4,P5>'}}
136}
137
138CFDictionaryRef bar() __attribute__((cf_returns_not_retained));
139@class NSNumber;
140
141void Test9() {
142  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}}
143}
144
145// rdar://18311183
146@interface NSObject @end
147
148@interface NSFont : NSObject @end
149
150typedef struct __attribute__ ((objc_bridge(NSFont))) __CFFontRef * CFFontRef;
151
152void Test10(CFFontRef cf) {
153  (void)(__bridge NSObject *)cf;
154}
155