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