reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    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
  136
  137
  138
  139
  140
  141
  142
  143
  144
  145
  146
  147
  148
  149
  150
  151
  152
  153
  154
// 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 {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}

typedef void * CFStringRef __attribute__ ((objc_bridge(NSString))); // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}

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 {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}

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

typedef struct __CFSetRef * CFSetRef __attribute__((objc_bridge(NSSet))); // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}

typedef union __CFUColor __attribute__((objc_bridge(NSUColor))) * CFUColorRef; // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}

typedef union __CFUColor __attribute__((objc_bridge(NSUColor))) *CFUColor1Ref; // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}

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

typedef const void *ConstVoidRef __attribute__((objc_bridge(id)));
typedef void *VoidRef __attribute__((objc_bridge(id)));
typedef struct Opaque *OpaqueRef __attribute__((objc_bridge(id))); // expected-error {{'objc_bridge(id)' is only allowed on structs and typedefs of void pointers}}

#if !__has_feature(objc_bridge_id_on_typedefs)
#error objc_bridge(id) on typedefs feature not found!
#endif

@interface I
{
   __attribute__((objc_bridge(NSError))) void * color; // expected-error {{'objc_bridge' attribute only applies to structs, unions, classes, and typedefs}};
}
@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; // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'MyError'}} 
  (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}}
}

// rdar://18311183
@interface NSObject @end

@interface NSFont : NSObject @end

typedef struct __attribute__ ((objc_bridge(NSFont))) __CFFontRef * CFFontRef;

void Test10(CFFontRef cf) {
  (void)(__bridge NSObject *)cf;
}