Home | History | Annotate | Download | only in SemaObjC
      1 // RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -fblocks -verify %s
      2 // RUN: not %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -fblocks -fdiagnostics-parseable-fixits %s 2>&1 | FileCheck %s
      3 
      4 typedef const void *CFTypeRef;
      5 CFTypeRef CFBridgingRetain(id X);
      6 id CFBridgingRelease(CFTypeRef);
      7 typedef const struct __CFString *CFStringRef;
      8 
      9 @interface NSString
     10 @end
     11 
     12 CFTypeRef CFCreateSomething();
     13 CFStringRef CFCreateString();
     14 CFTypeRef CFGetSomething();
     15 CFStringRef CFGetString();
     16 
     17 id CreateSomething();
     18 NSString *CreateNSString();
     19 
     20 void from_cf() {
     21   id obj1 = (__bridge_transfer id)CFCreateSomething();
     22   id obj2 = (__bridge_transfer NSString*)CFCreateString();
     23   (__bridge int*)CFCreateSomething(); // expected-error{{incompatible types casting 'CFTypeRef' (aka 'const void *') to 'int *' with a __bridge cast}}
     24   id obj3 = (__bridge id)CFGetSomething();
     25   id obj4 = (__bridge NSString*)CFGetString();
     26 }
     27 
     28 void to_cf(id obj) {
     29   CFTypeRef cf1 = (__bridge_retained CFTypeRef)CreateSomething();
     30   CFStringRef cf2 = (__bridge_retained CFStringRef)CreateNSString();
     31   CFTypeRef cf3 = (__bridge CFTypeRef)CreateSomething();
     32   CFStringRef cf4 = (__bridge CFStringRef)CreateNSString();
     33 
     34   // rdar://problem/9629566 - temporary workaround
     35   CFTypeRef cf5 = (__bridge_retain CFTypeRef)CreateSomething(); // expected-error {{unknown cast annotation __bridge_retain; did you mean __bridge_retained?}}
     36   // CHECK: fix-it:"{{.*}}":{35:20-35:35}:"__bridge_retained"
     37 }
     38 
     39 CFTypeRef fixits() {
     40   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}} \
     41   // 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}}
     42   // CHECK: fix-it:"{{.*}}":{40:17-40:17}:"CFBridgingRelease("
     43   // CHECK: fix-it:"{{.*}}":{40:36-40:36}:")"
     44 
     45   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}} \
     46   // expected-note{{use __bridge to convert directly (no change in ownership)}} \
     47   // expected-note{{use CFBridgingRetain call to make an ARC object available as a +1 'CFTypeRef' (aka 'const void *')}}
     48   // CHECK: fix-it:"{{.*}}":{45:30-45:30}:"CFBridgingRetain("
     49   // CHECK: fix-it:"{{.*}}":{45:47-45:47}:")"
     50 
     51   return (obj1); // expected-error{{implicit conversion of Objective-C pointer type 'id' to C pointer type 'CFTypeRef' (aka 'const void *') requires a bridged cast}} \
     52   // expected-note{{use __bridge to convert directly (no change in ownership)}} \
     53   // expected-note{{use CFBridgingRetain call to make an ARC object available as a +1 'CFTypeRef' (aka 'const void *')}}
     54   // CHECK: fix-it:"{{.*}}":{51:10-51:10}:"(__bridge CFTypeRef)"
     55   // CHECK: fix-it:"{{.*}}":{51:10-51:10}:"CFBridgingRetain"
     56 }
     57 
     58 CFTypeRef fixitsWithSpace(id obj) {
     59   return(obj); // expected-error{{implicit conversion of Objective-C pointer type 'id' to C pointer type 'CFTypeRef' (aka 'const void *') requires a bridged cast}} \
     60   // expected-note{{use __bridge to convert directly (no change in ownership)}} \
     61   // expected-note{{use CFBridgingRetain call to make an ARC object available as a +1 'CFTypeRef' (aka 'const void *')}}
     62   // CHECK: fix-it:"{{.*}}":{59:9-59:9}:"(__bridge CFTypeRef)"
     63   // CHECK: fix-it:"{{.*}}":{59:9-59:9}:" CFBridgingRetain"
     64 }
     65 
     66 // rdar://problem/20107345
     67 typedef const struct __attribute__((objc_bridge(id))) __CFAnnotatedObject *CFAnnotatedObjectRef;
     68 CFAnnotatedObjectRef CFGetAnnotated();
     69 
     70 void testObjCBridgeId() {
     71   id obj;
     72   obj = (__bridge id)CFGetAnnotated();
     73   obj = (__bridge NSString*)CFGetAnnotated();
     74   obj = (__bridge_transfer id)CFGetAnnotated();
     75   obj = (__bridge_transfer NSString*)CFGetAnnotated();
     76 
     77   CFAnnotatedObjectRef ref;
     78   ref = (__bridge CFAnnotatedObjectRef) CreateSomething();
     79   ref = (__bridge CFAnnotatedObjectRef) CreateNSString();
     80   ref = (__bridge_retained CFAnnotatedObjectRef) CreateSomething();
     81   ref = (__bridge_retained CFAnnotatedObjectRef) CreateNSString();
     82 }
     83 
     84 // rdar://20113785
     85 typedef const struct __attribute__((objc_bridge(UIFont))) __CTFont * CTFontRef;
     86 
     87 id testObjCBridgeUnknownTypeToId(CTFontRef font) {
     88   id x = (__bridge id)font;
     89   return x;
     90 }
     91 
     92