92 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
			
		
		
	
	
			92 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
| // RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -fblocks -verify %s
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| // RUN: not %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -fblocks -fdiagnostics-parseable-fixits %s 2>&1 | FileCheck %s
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| 
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| typedef const void *CFTypeRef;
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| CFTypeRef CFBridgingRetain(id X);
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| id CFBridgingRelease(CFTypeRef);
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| typedef const struct __CFString *CFStringRef;
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| 
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| @interface NSString
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| @end
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| 
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| CFTypeRef CFCreateSomething();
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| CFStringRef CFCreateString();
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| CFTypeRef CFGetSomething();
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| CFStringRef CFGetString();
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| 
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| id CreateSomething();
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| NSString *CreateNSString();
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| 
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| void from_cf() {
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|   id obj1 = (__bridge_transfer id)CFCreateSomething();
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|   id obj2 = (__bridge_transfer NSString*)CFCreateString();
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|   (__bridge int*)CFCreateSomething(); // expected-error{{incompatible types casting 'CFTypeRef' (aka 'const void *') to 'int *' with a __bridge cast}}
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|   id obj3 = (__bridge id)CFGetSomething();
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|   id obj4 = (__bridge NSString*)CFGetString();
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| }
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| 
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| void to_cf(id obj) {
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|   CFTypeRef cf1 = (__bridge_retained CFTypeRef)CreateSomething();
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|   CFStringRef cf2 = (__bridge_retained CFStringRef)CreateNSString();
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|   CFTypeRef cf3 = (__bridge CFTypeRef)CreateSomething();
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|   CFStringRef cf4 = (__bridge CFStringRef)CreateNSString();
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| 
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|   // rdar://problem/9629566 - temporary workaround
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|   CFTypeRef cf5 = (__bridge_retain CFTypeRef)CreateSomething(); // expected-error {{unknown cast annotation __bridge_retain; did you mean __bridge_retained?}}
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|   // CHECK: fix-it:"{{.*}}":{35:20-35:35}:"__bridge_retained"
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| }
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| 
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| CFTypeRef fixits() {
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|   id obj1 = (id)CFCreateSomething(); // expected-error{{cast of C pointer type 'CFTypeRef' (aka 'const void *') to Objective-C pointer type 'id' requires a bridged cast}} \
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|   // expected-note{{use __bridge to convert directly (no change in ownership)}} expected-note{{use CFBridgingRelease call to transfer ownership of a +1 'CFTypeRef' (aka 'const void *') into ARC}}
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|   // CHECK: fix-it:"{{.*}}":{40:17-40:17}:"CFBridgingRelease("
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|   // CHECK: fix-it:"{{.*}}":{40:36-40:36}:")"
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| 
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|   CFTypeRef cf1 = (CFTypeRef)CreateSomething(); // expected-error{{cast of Objective-C pointer type 'id' to C pointer type 'CFTypeRef' (aka 'const void *') requires a bridged cast}} \
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|   // expected-note{{use __bridge to convert directly (no change in ownership)}} \
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|   // expected-note{{use CFBridgingRetain call to make an ARC object available as a +1 'CFTypeRef' (aka 'const void *')}}
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|   // CHECK: fix-it:"{{.*}}":{45:30-45:30}:"CFBridgingRetain("
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|   // CHECK: fix-it:"{{.*}}":{45:47-45:47}:")"
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| 
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|   return (obj1); // expected-error{{implicit conversion of Objective-C pointer type 'id' to C pointer type 'CFTypeRef' (aka 'const void *') requires a bridged cast}} \
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|   // expected-note{{use __bridge to convert directly (no change in ownership)}} \
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|   // expected-note{{use CFBridgingRetain call to make an ARC object available as a +1 'CFTypeRef' (aka 'const void *')}}
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|   // CHECK: fix-it:"{{.*}}":{51:10-51:10}:"(__bridge CFTypeRef)"
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|   // CHECK: fix-it:"{{.*}}":{51:10-51:10}:"CFBridgingRetain"
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| }
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| 
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| CFTypeRef fixitsWithSpace(id obj) {
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|   return(obj); // expected-error{{implicit conversion of Objective-C pointer type 'id' to C pointer type 'CFTypeRef' (aka 'const void *') requires a bridged cast}} \
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|   // expected-note{{use __bridge to convert directly (no change in ownership)}} \
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|   // expected-note{{use CFBridgingRetain call to make an ARC object available as a +1 'CFTypeRef' (aka 'const void *')}}
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|   // CHECK: fix-it:"{{.*}}":{59:9-59:9}:"(__bridge CFTypeRef)"
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|   // CHECK: fix-it:"{{.*}}":{59:9-59:9}:" CFBridgingRetain"
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| }
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| 
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| // rdar://problem/20107345
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| typedef const struct __attribute__((objc_bridge(id))) __CFAnnotatedObject *CFAnnotatedObjectRef;
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| CFAnnotatedObjectRef CFGetAnnotated();
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| 
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| void testObjCBridgeId() {
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|   id obj;
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|   obj = (__bridge id)CFGetAnnotated();
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|   obj = (__bridge NSString*)CFGetAnnotated();
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|   obj = (__bridge_transfer id)CFGetAnnotated();
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|   obj = (__bridge_transfer NSString*)CFGetAnnotated();
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| 
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|   CFAnnotatedObjectRef ref;
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|   ref = (__bridge CFAnnotatedObjectRef) CreateSomething();
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|   ref = (__bridge CFAnnotatedObjectRef) CreateNSString();
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|   ref = (__bridge_retained CFAnnotatedObjectRef) CreateSomething();
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|   ref = (__bridge_retained CFAnnotatedObjectRef) CreateNSString();
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| }
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| 
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| // rdar://20113785
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| typedef const struct __attribute__((objc_bridge(UIFont))) __CTFont * CTFontRef;
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| 
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| id testObjCBridgeUnknownTypeToId(CTFontRef font) {
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|   id x = (__bridge id)font;
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|   return x;
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| }
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| 
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