1 | // RUN: %clang_cc1 -fsyntax-only -x objective-c++ -fobjc-arc -verify -Wno-objc-root-class %s |
2 | // rdar://15454846 |
3 | |
4 | typedef struct __attribute__ ((objc_bridge(NSError))) __CFErrorRef * CFErrorRef; // expected-note 5 {{declared here}} |
5 | |
6 | typedef struct __attribute__ ((objc_bridge(MyError))) __CFMyErrorRef * CFMyErrorRef; // expected-note 1 {{declared here}} |
7 | |
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}} |
9 | |
10 | typedef struct __attribute__ ((objc_bridge)) __CFArray *CFArrayRef; // expected-error {{'objc_bridge' attribute takes one argument}} |
11 | |
12 | typedef struct __attribute__((objc_bridge(NSLocale, NSError))) __CFLocale *CFLocaleRef;// expected-error {{use of undeclared identifier 'NSError'}} |
13 | |
14 | typedef struct __attribute__((objc_bridge(NSDictionary))) __CFDictionary * CFDictionaryRef; |
15 | |
16 | typedef union __attribute__((objc_bridge(NSUColor))) __CFUPrimeColor XXX; |
17 | typedef XXX *CFUColor2Ref; |
18 | |
19 | @interface I |
20 | { |
21 | } |
22 | @end |
23 | |
24 | @protocol NSTesting @end |
25 | @class NSString; |
26 | |
27 | typedef struct __attribute__((objc_bridge(NSTesting))) __CFError *CFTestingRef; // expected-note {{declared here}} |
28 | |
29 | id Test1(CFTestingRef cf) { |
30 | return (NSString *)cf; // expected-error {{CF object of type 'CFTestingRef' (aka '__CFError *') is bridged to 'NSTesting', which is not an Objective-C class}} \ |
31 | // expected-error {{cast of C pointer type 'CFTestingRef' (aka '__CFError *') to Objective-C pointer type 'NSString *' requires a bridged cast}} \ |
32 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
33 | // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFTestingRef' (aka '__CFError *') into ARC}} |
34 | } |
35 | |
36 | typedef CFErrorRef CFErrorRef1; |
37 | |
38 | typedef CFErrorRef1 CFErrorRef2; // expected-note 2 {{declared here}} |
39 | |
40 | @protocol P1 @end |
41 | @protocol P2 @end |
42 | @protocol P3 @end |
43 | @protocol P4 @end |
44 | @protocol P5 @end |
45 | |
46 | @interface NSError<P1, P2, P3> @end // expected-note 5 {{declared here}} |
47 | |
48 | @interface MyError : NSError // expected-note 1 {{declared here}} |
49 | @end |
50 | |
51 | @interface NSUColor @end |
52 | |
53 | @class NSString; |
54 | |
55 | void Test2(CFErrorRef2 cf, NSError *ns, NSString *str, Class c, CFUColor2Ref cf2) { |
56 | (void)(NSString *)cf; // expected-warning {{'CFErrorRef2' (aka '__CFErrorRef *') bridges to NSError, not 'NSString'}} \ |
57 | // expected-error {{cast of C pointer type 'CFErrorRef2' (aka '__CFErrorRef *') to Objective-C pointer type 'NSString *' requires a bridged cast}} \ |
58 | // expected-note {{__bridge to convert directly (no change in ownership)}} \ |
59 | // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFErrorRef2' (aka '__CFErrorRef *') into ARC}} |
60 | (void)(NSError *)cf; // expected-error {{cast of C pointer type 'CFErrorRef2' (aka '__CFErrorRef *') to Objective-C pointer type 'NSError *' requires a bridged cast}} \ |
61 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
62 | // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFErrorRef2' (aka '__CFErrorRef *') into ARC}} |
63 | (void)(MyError*)cf; // expected-error {{cast of C pointer type 'CFErrorRef2' (aka '__CFErrorRef *') to Objective-C pointer type 'MyError *' requires a bridged cast}} \ |
64 | // expected-note {{__bridge to convert directly (no change in ownership)}} \ |
65 | // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFErrorRef2' (aka '__CFErrorRef *') into ARC}} \ |
66 | // expected-warning {{'CFErrorRef2' (aka '__CFErrorRef *') bridges to NSError, not 'MyError'}} |
67 | (void)(NSUColor *)cf2; // expected-error {{cast of C pointer type 'CFUColor2Ref' (aka '__CFUPrimeColor *') to Objective-C pointer type 'NSUColor *' requires a bridged cast}} \ |
68 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
69 | // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFUColor2Ref' (aka '__CFUPrimeColor *') into ARC}} |
70 | (void)(CFErrorRef)ns; // expected-error {{cast of Objective-C pointer type 'NSError *' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \ |
71 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
72 | // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} |
73 | (void)(CFErrorRef)str; // expected-warning {{'NSString' cannot bridge to 'CFErrorRef' (aka '__CFErrorRef *')}} \\ |
74 | // expected-error {{cast of Objective-C pointer type 'NSString *' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \ |
75 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
76 | // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} |
77 | (void)(Class)cf; // expected-warning {{'CFErrorRef2' (aka '__CFErrorRef *') bridges to NSError, not 'Class'}} \\ |
78 | // expected-error {{cast of C pointer type 'CFErrorRef2' (aka '__CFErrorRef *') to Objective-C pointer type 'Class' requires a bridged cast}} \ |
79 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
80 | // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFErrorRef2' (aka '__CFErrorRef *') into ARC}} |
81 | (void)(CFErrorRef)c; // expected-warning {{'__unsafe_unretained Class' cannot bridge to 'CFErrorRef' (aka '__CFErrorRef *}} \\ |
82 | // expected-error {{cast of Objective-C pointer type 'Class' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \ |
83 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
84 | // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} |
85 | } |
86 | |
87 | |
88 | void Test3(CFErrorRef cf, NSError *ns) { |
89 | (void)(id)cf; // expected-error {{cast of C pointer type 'CFErrorRef' (aka '__CFErrorRef *') to Objective-C pointer type 'id' requires a bridged cast}} \ |
90 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
91 | // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFErrorRef' (aka '__CFErrorRef *') into ARC}} |
92 | (void)(id<P1, P2>)cf; // expected-error {{cast of C pointer type 'CFErrorRef' (aka '__CFErrorRef *') to Objective-C pointer type 'id<P1,P2>' requires a bridged cast}} \ |
93 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
94 | // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFErrorRef' (aka '__CFErrorRef *') into ARC}} |
95 | (void)(id<P1, P2, P4>)cf; // expected-warning {{'CFErrorRef' (aka '__CFErrorRef *') bridges to NSError, not 'id<P1,P2,P4>'}} \ |
96 | // expected-error {{cast of C pointer type 'CFErrorRef' (aka '__CFErrorRef *') to Objective-C pointer type 'id<P1,P2,P4>' requires a bridged cast}} \ |
97 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
98 | // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFErrorRef' (aka '__CFErrorRef *') into ARC}} |
99 | } |
100 | |
101 | void Test4(CFMyErrorRef cf) { |
102 | (void)(id)cf; // expected-error {{cast of C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') to Objective-C pointer type 'id' requires a bridged cast}} \ |
103 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
104 | // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *') into ARC}} |
105 | (void)(id<P1, P2>)cf; // expected-error {{cast of C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') to Objective-C pointer type 'id<P1,P2>' requires a bridged cast}} \ |
106 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
107 | // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *') into ARC}} |
108 | (void)(id<P1, P2, P3>)cf; // expected-error {{cast of C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') to Objective-C pointer type 'id<P1,P2,P3>' requires a bridged cast}} \ |
109 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
110 | // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *') into ARC}} |
111 | (void)(id<P2, P3>)cf; // expected-error {{cast of C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') to Objective-C pointer type 'id<P2,P3>' requires a bridged cast}} \ |
112 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
113 | // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *') into ARC}} |
114 | (void)(id<P1, P2, P4>)cf; // expected-warning {{'CFMyErrorRef' (aka '__CFMyErrorRef *') bridges to MyError, not 'id<P1,P2,P4>'}} \ |
115 | // expected-error {{cast of C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') to Objective-C pointer type 'id<P1,P2,P4>' requires a bridged cast}} \ |
116 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
117 | // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *') into ARC}} |
118 | } |
119 | |
120 | void Test5(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) { |
121 | (void)(CFErrorRef)ID; // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \ |
122 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
123 | // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} |
124 | (void)(CFErrorRef)P123; // expected-error {{cast of Objective-C pointer type 'id<P1,P2,P3>' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \ |
125 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
126 | // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} |
127 | (void)(CFErrorRef)P1234; // expected-error {{cast of Objective-C pointer type 'id<P1,P2,P3,P4>' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \ |
128 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
129 | // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} |
130 | (void)(CFErrorRef)P12; // expected-error {{cast of Objective-C pointer type 'id<P1,P2>' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \ |
131 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
132 | // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} |
133 | (void)(CFErrorRef)P23; // expected-error {{cast of Objective-C pointer type 'id<P2,P3>' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \ |
134 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
135 | // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} |
136 | } |
137 | |
138 | void Test6(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) { |
139 | |
140 | (void)(CFMyErrorRef)ID; // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') requires a bridged cast}} \ |
141 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
142 | // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *')}} |
143 | (void)(CFMyErrorRef)P123; // expected-error {{cast of Objective-C pointer type 'id<P1,P2,P3>' to C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') requires a bridged cast}} \ |
144 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
145 | // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *')}} |
146 | (void)(CFMyErrorRef)P1234; // expected-error {{cast of Objective-C pointer type 'id<P1,P2,P3,P4>' to C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') requires a bridged cast}} \ |
147 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
148 | // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *')}} |
149 | (void)(CFMyErrorRef)P12; // expected-error {{cast of Objective-C pointer type 'id<P1,P2>' to C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') requires a bridged cast}} \ |
150 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
151 | // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *')}} |
152 | (void)(CFMyErrorRef)P23; // expected-error {{cast of Objective-C pointer type 'id<P2,P3>' to C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') requires a bridged cast}} \ |
153 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
154 | // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *')}} |
155 | } |
156 | |
157 | typedef struct __attribute__ ((objc_bridge(MyPersonalError))) __CFMyPersonalErrorRef * CFMyPersonalErrorRef; // expected-note 1 {{declared here}} |
158 | |
159 | @interface MyPersonalError : NSError <P4> // expected-note 1 {{declared here}} |
160 | @end |
161 | |
162 | void Test7(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) { |
163 | (void)(CFMyPersonalErrorRef)ID; // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') requires a bridged cast}} \ |
164 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
165 | // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *')}} |
166 | (void)(CFMyPersonalErrorRef)P123; // expected-error {{cast of Objective-C pointer type 'id<P1,P2,P3>' to C pointer type 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') requires a bridged cast}} \ |
167 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
168 | // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *')}} |
169 | (void)(CFMyPersonalErrorRef)P1234; // expected-error {{cast of Objective-C pointer type 'id<P1,P2,P3,P4>' to C pointer type 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') requires a bridged cast}} \ |
170 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
171 | // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *')}} |
172 | (void)(CFMyPersonalErrorRef)P12; // expected-error {{cast of Objective-C pointer type 'id<P1,P2>' to C pointer type 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') requires a bridged cast}} \ |
173 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
174 | // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *')}} |
175 | (void)(CFMyPersonalErrorRef)P23; // expected-error {{cast of Objective-C pointer type 'id<P2,P3>' to C pointer type 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') requires a bridged cast}} \ |
176 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
177 | // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *')}} |
178 | } |
179 | |
180 | void Test8(CFMyPersonalErrorRef cf) { |
181 | (void)(id)cf; // expected-error {{cast of C pointer type 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') to Objective-C pointer type 'id' requires a bridged cast}} \ |
182 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
183 | // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') into ARC}} |
184 | (void)(id<P1>)cf; // expected-error {{cast of C pointer type 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') to Objective-C pointer type 'id<P1>' requires a bridged cast}} \ |
185 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
186 | // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') into ARC}} |
187 | (void)(id<P1, P2>)cf; // expected-error {{cast of C pointer type 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') to Objective-C pointer type 'id<P1,P2>' requires a bridged cast}} \ |
188 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
189 | // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') into ARC}} |
190 | (void)(id<P1, P2, P3>)cf; // expected-error {{cast of C pointer type 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') to Objective-C pointer type 'id<P1,P2,P3>' requires a bridged cast}} \ |
191 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
192 | // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') into ARC}} |
193 | (void)(id<P1, P2, P3, P4>)cf; // expected-error {{cast of C pointer type 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') to Objective-C pointer type 'id<P1,P2,P3,P4>' requires a bridged cast}} \ |
194 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
195 | // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') into ARC}} |
196 | (void)(id<P1, P2, P3, P4, P5>)cf; // expected-warning {{'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') bridges to MyPersonalError, not 'id<P1,P2,P3,P4,P5>'}} \ |
197 | // expected-error {{cast of C pointer type 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') to Objective-C pointer type 'id<P1,P2,P3,P4,P5>' requires a bridged cast}} \ |
198 | // expected-note {{use __bridge to convert directly (no change in ownership)}} \ |
199 | // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') into ARC}} |
200 | } |
201 | |
202 | void Test9(CFErrorRef2 cf, NSError *ns, NSString *str, Class c, CFUColor2Ref cf2) { |
203 | (void)(__bridge NSString *)cf; // expected-warning {{'CFErrorRef2' (aka '__CFErrorRef *') bridges to NSError, not 'NSString'}} |
204 | (void)(__bridge NSError *)cf; // okay |
205 | (void)(__bridge NSUColor *)cf2; // okay |
206 | (void)(__bridge CFErrorRef)ns; // okay |
207 | (void)(__bridge CFErrorRef)str; // expected-warning {{'NSString' cannot bridge to 'CFErrorRef' (aka '__CFErrorRef *')}} |
208 | (void)(__bridge Class)cf; // expected-warning {{'CFErrorRef2' (aka '__CFErrorRef *') bridges to NSError, not 'Class'}} |
209 | (void)(__bridge CFErrorRef)c; // expected-warning {{'__unsafe_unretained Class' cannot bridge to 'CFErrorRef' (aka '__CFErrorRef *')}} |
210 | } |
211 | |