1 // RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s
3 typedef struct __attribute__ ((objc_bridge(NSError))) __CFErrorRef * CFErrorRef; // expected-note 3 {{declared here}}
5 typedef struct __attribute__ ((objc_bridge(MyError))) __CFMyErrorRef * CFMyErrorRef; // expected-note 1 {{declared here}}
7 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}}
9 typedef struct __attribute__ ((objc_bridge)) __CFArray *CFArrayRef; // expected-error {{'objc_bridge' attribute takes one argument}}
11 typedef void * __attribute__ ((objc_bridge(NSURL))) CFURLRef; // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}
13 typedef void * CFStringRef __attribute__ ((objc_bridge(NSString))); // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}
15 typedef struct __attribute__((objc_bridge(NSLocale, NSError))) __CFLocale *CFLocaleRef;// expected-error {{use of undeclared identifier 'NSError'}}
17 typedef struct __CFData __attribute__((objc_bridge(NSData))) CFDataRef; // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}
19 typedef struct __attribute__((objc_bridge(NSDictionary))) __CFDictionary * CFDictionaryRef; // expected-note {{declared here}}
21 typedef struct __CFSetRef * CFSetRef __attribute__((objc_bridge(NSSet))); // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}
23 typedef union __CFUColor __attribute__((objc_bridge(NSUColor))) * CFUColorRef; // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}
25 typedef union __CFUColor __attribute__((objc_bridge(NSUColor))) *CFUColor1Ref; // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}
27 typedef union __attribute__((objc_bridge(NSUColor))) __CFUPrimeColor XXX;
28 typedef XXX *CFUColor2Ref;
30 typedef const void *ConstVoidRef __attribute__((objc_bridge(id)));
31 typedef void *VoidRef __attribute__((objc_bridge(id)));
32 typedef struct Opaque *OpaqueRef __attribute__((objc_bridge(id))); // expected-error {{'objc_bridge(id)' is only allowed on structs and typedefs of void pointers}}
34 #if !__has_feature(objc_bridge_id_on_typedefs)
35 #error objc_bridge(id) on typedefs feature not found!
40 __attribute__((objc_bridge(NSError))) void * color; // expected-error {{'objc_bridge' attribute only applies to structs, unions, classes, and typedefs}};
44 @protocol NSTesting @end
47 typedef struct __attribute__((objc_bridge(NSTesting))) __CFError *CFTestingRef; // expected-note {{declared here}}
49 id Test1(CFTestingRef cf) {
50 return (NSString *)cf; // expected-error {{CF object of type 'CFTestingRef' (aka 'struct __CFError *') is bridged to 'NSTesting', which is not an Objective-C class}}
53 typedef CFErrorRef CFErrorRef1;
55 typedef CFErrorRef1 CFErrorRef2; // expected-note {{declared here}}
63 @interface NSError<P1, P2, P3> @end // expected-note 3 {{declared here}}
65 @interface MyError : NSError // expected-note 1 {{declared here}}
68 @interface NSUColor @end
72 void Test2(CFErrorRef2 cf, NSError *ns, NSString *str, Class c, CFUColor2Ref cf2) {
73 (void)(NSString *)cf; // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'NSString'}}
74 (void)(NSError *)cf; // okay
75 (void)(MyError*)cf; // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'MyError'}}
76 (void)(NSUColor *)cf2; // okay
77 (void)(CFErrorRef)ns; // okay
78 (void)(CFErrorRef)str; // expected-warning {{'NSString' cannot bridge to 'CFErrorRef' (aka 'struct __CFErrorRef *')}}
79 (void)(Class)cf; // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'Class'}}
80 (void)(CFErrorRef)c; // expected-warning {{'Class' cannot bridge to 'CFErrorRef'}}
84 void Test3(CFErrorRef cf, NSError *ns) {
86 (void)(id<P1, P2>)cf; // okay
87 (void)(id<P1, P2, P4>)cf; // expected-warning {{'CFErrorRef' (aka 'struct __CFErrorRef *') bridges to NSError, not 'id<P1,P2,P4>'}}
90 void Test4(CFMyErrorRef cf) {
92 (void)(id<P1, P2>)cf; // ok
93 (void)(id<P1, P2, P3>)cf; // ok
94 (void)(id<P2, P3>)cf; // ok
95 (void)(id<P1, P2, P4>)cf; // expected-warning {{'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') bridges to MyError, not 'id<P1,P2,P4>'}}
98 void Test5(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) {
99 (void)(CFErrorRef)ID; // ok
100 (void)(CFErrorRef)P123; // ok
101 (void)(CFErrorRef)P1234; // ok
102 (void)(CFErrorRef)P12; // ok
103 (void)(CFErrorRef)P23; // ok
106 void Test6(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) {
108 (void)(CFMyErrorRef)ID; // ok
109 (void)(CFMyErrorRef)P123; // ok
110 (void)(CFMyErrorRef)P1234; // ok
111 (void)(CFMyErrorRef)P12; // ok
112 (void)(CFMyErrorRef)P23; // ok
115 typedef struct __attribute__ ((objc_bridge(MyPersonalError))) __CFMyPersonalErrorRef * CFMyPersonalErrorRef; // expected-note 1 {{declared here}}
117 @interface MyPersonalError : NSError <P4> // expected-note 1 {{declared here}}
120 void Test7(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) {
121 (void)(CFMyPersonalErrorRef)ID; // ok
122 (void)(CFMyPersonalErrorRef)P123; // ok
123 (void)(CFMyPersonalErrorRef)P1234; // ok
124 (void)(CFMyPersonalErrorRef)P12; // ok
125 (void)(CFMyPersonalErrorRef)P23; // ok
128 void Test8(CFMyPersonalErrorRef cf) {
130 (void)(id<P1>)cf; // ok
131 (void)(id<P1, P2>)cf; // ok
132 (void)(id<P1, P2, P3>)cf; // ok
133 (void)(id<P1, P2, P3, P4>)cf; // ok
134 (void)(id<P1, P2, P3, P4, P5>)cf; // expected-warning {{'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') bridges to MyPersonalError, not 'id<P1,P2,P3,P4,P5>'}}
137 CFDictionaryRef bar(void) __attribute__((cf_returns_not_retained));
141 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}}
144 @interface NSObject @end
146 @interface NSFont : NSObject @end
148 typedef struct __attribute__ ((objc_bridge(NSFont))) __CFFontRef * CFFontRef;
150 void Test10(CFFontRef cf) {
151 (void)(__bridge NSObject *)cf;