Home | History | Annotate | Download | only in SemaObjC
      1 // RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fobjc-runtime-has-weak -fsyntax-only -fobjc-arc -verify -Wno-objc-root-class %s
      2 // rdar://9340606
      3 
      4 @interface Foo {
      5 @public
      6     id __unsafe_unretained x; // expected-error {{existing instance variable 'x' for strong property 'x' may not be __unsafe_unretained}}
      7     id __weak y; // expected-error {{existing instance variable 'y' for strong property 'y' may not be __weak}}
      8     id __autoreleasing z; // expected-error {{instance variables cannot have __autoreleasing ownership}}
      9 }
     10 @property(strong) id x; // expected-note {{property declared here}}
     11 @property(strong) id y; // expected-note {{property declared here}}
     12 @property(strong) id z;
     13 @end
     14 
     15 @implementation Foo
     16 @synthesize x; // expected-note {{property synthesized here}}
     17 @synthesize y; // expected-note {{property synthesized here}}
     18 @synthesize z; // suppressed
     19 @end
     20 
     21 @interface Bar {
     22 @public
     23     id __unsafe_unretained x; // expected-error {{existing instance variable 'x' for strong property 'x' may not be __unsafe_unretained}}
     24     id __weak y; // expected-error {{existing instance variable 'y' for strong property 'y' may not be __weak}}
     25     id __autoreleasing z; // expected-error {{instance variables cannot have __autoreleasing ownership}}
     26 }
     27 @property(retain) id x; // expected-note {{property declared here}}
     28 @property(retain) id y; // expected-note {{property declared here}}
     29 @property(retain) id z;
     30 @end
     31 
     32 @implementation Bar
     33 @synthesize x; // expected-note {{property synthesized here}}
     34 @synthesize y; // expected-note {{property synthesized here}}
     35 @synthesize z; // suppressed
     36 @end
     37 
     38 @interface Bas {
     39 @public
     40     id __unsafe_unretained x; // expected-error {{existing instance variable 'x' for strong property 'x' may not be __unsafe_unretained}}
     41     id __weak y; // expected-error {{existing instance variable 'y' for strong property 'y' may not be __weak}}
     42     id __autoreleasing z; // expected-error {{instance variables cannot have __autoreleasing ownership}}
     43 }
     44 @property(copy) id x; // expected-note {{property declared here}}
     45 @property(copy) id y; // expected-note {{property declared here}} 
     46 @property(copy) id z;
     47 @end
     48 
     49 @implementation Bas
     50 @synthesize x; // expected-note {{property synthesized here}}
     51 @synthesize y; // expected-note {{property synthesized here}}
     52 @synthesize z; // suppressed
     53 @end
     54 
     55 @interface Bat 
     56 @property(strong) __unsafe_unretained id x; // expected-error {{strong property 'x' may not also be declared __unsafe_unretained}}
     57 @property(strong) __autoreleasing id z; // expected-error {{strong property 'z' may not also be declared __autoreleasing}}
     58 @end
     59 
     60 @interface Bau 
     61 @property(retain) __unsafe_unretained id x; // expected-error {{strong property 'x' may not also be declared __unsafe_unretained}}
     62 @property(retain) __autoreleasing id z; // expected-error {{strong property 'z' may not also be declared __autoreleasing}}
     63 @end
     64 
     65 @interface Bav 
     66 @property(copy) __unsafe_unretained id x; // expected-error {{strong property 'x' may not also be declared __unsafe_unretained}}
     67 @property(copy) __autoreleasing id z; // expected-error {{strong property 'z' may not also be declared __autoreleasing}}
     68 @end
     69 
     70 // rdar://9341593
     71 @interface Gorf  {
     72    id __unsafe_unretained x;
     73    id y; // expected-error {{existing instance variable 'y' for property 'y' with  assign attribute must be __unsafe_unretained}}
     74 }
     75 @property(assign) id __unsafe_unretained x;
     76 @property(assign) id y; // expected-note {{property declared here}}
     77 @property(assign) id z;
     78 @end
     79 
     80 @implementation Gorf
     81 @synthesize x;
     82 @synthesize y; // expected-note {{property synthesized here}}
     83 @synthesize z;
     84 @end
     85 
     86 @interface Gorf2  {
     87    id __unsafe_unretained x;
     88    id y; // expected-error {{existing instance variable 'y' for property 'y' with unsafe_unretained attribute must be __unsafe_unretained}}
     89 }
     90 @property(unsafe_unretained) id __unsafe_unretained x;
     91 @property(unsafe_unretained) id y; // expected-note {{property declared here}}
     92 @property(unsafe_unretained) id z;
     93 @end
     94 
     95 @implementation Gorf2
     96 @synthesize x;
     97 @synthesize y; // expected-note {{property synthesized here}}
     98 @synthesize z;
     99 @end
    100 
    101 // rdar://9355230
    102 @interface I {
    103   char _isAutosaving;
    104 }
    105 @property char isAutosaving;
    106 
    107 @end
    108 
    109 @implementation I
    110 @synthesize isAutosaving = _isAutosaving;
    111 @end
    112 
    113 // rdar://10239594
    114 // Test for 'Class' properties being unretained.
    115 @interface MyClass {
    116 @private
    117     Class _controllerClass;
    118     id _controllerId;
    119 }
    120 @property (copy) Class controllerClass;
    121 @property (copy) id controllerId;
    122 @end
    123 
    124 @implementation MyClass
    125 @synthesize controllerClass = _controllerClass;
    126 @synthesize controllerId = _controllerId;
    127 @end
    128 
    129 // rdar://10630891
    130 @interface UIView @end
    131 @class UIColor;
    132 
    133 @interface UIView(UIViewRendering)
    134 @property(nonatomic,copy) UIColor *backgroundColor;
    135 @end
    136 
    137 @interface UILabel : UIView
    138 @end
    139 
    140 @interface MyView 
    141 @property (strong) UILabel *label;
    142 @end
    143 
    144 @interface MyView2 : MyView @end
    145 
    146 @implementation MyView2
    147 - (void)foo {
    148   super.label.backgroundColor = 0;
    149 }
    150 @end
    151 
    152 // rdar://10694932
    153 @interface Baz 
    154 @property  id prop;
    155 @property  __strong id strong_prop;
    156 @property  (strong) id strong_attr_prop;
    157 @property  (strong) __strong id really_strong_attr_prop;
    158 + (id) alloc;
    159 - (id) init;
    160 - (id) implicit;
    161 - (void) setImplicit : (id) arg; 
    162 @end
    163 
    164 void foo(Baz *f) {
    165         f.prop = [[Baz alloc] init];
    166         f.strong_prop = [[Baz alloc] init];
    167         f.strong_attr_prop = [[Baz alloc] init];
    168         f.really_strong_attr_prop = [[Baz alloc] init];
    169         f.implicit = [[Baz alloc] init];
    170 }
    171 
    172 // rdar://11253688
    173 @interface Boom 
    174 {
    175   const void * innerPointerIvar __attribute__((objc_returns_inner_pointer)); // expected-error {{'objc_returns_inner_pointer' attribute only applies to methods and properties}}
    176 }
    177 @property (readonly) Boom * NotInnerPointer __attribute__((objc_returns_inner_pointer)); // expected-warning {{'objc_returns_inner_pointer' attribute only applies to properties that return a non-retainable pointer}}
    178 - (Boom *) NotInnerPointerMethod __attribute__((objc_returns_inner_pointer)); // expected-warning {{'objc_returns_inner_pointer' attribute only applies to methods that return a non-retainable pointer}}
    179 @property (readonly) const void * innerPointer __attribute__((objc_returns_inner_pointer));
    180 @end
    181 
    182 @interface Foo2 {
    183   id _prop; // expected-error {{existing instance variable '_prop' for property 'prop' with  assign attribute must be __unsafe_unretained}}
    184 }
    185 @property (nonatomic, assign) id prop; // expected-note {{property declared here}}
    186 @end
    187 
    188 @implementation Foo2
    189 @end
    190 
    191 // rdar://13885083
    192 @interface NSObject 
    193 -(id)init;
    194 @end
    195 
    196 typedef char BOOL;
    197 @interface Test13885083 : NSObject
    198 
    199 @property (nonatomic, assign) BOOL retain; // expected-error {{ARC forbids synthesis of 'retain'}}
    200 
    201 -(id)init;
    202 
    203 @end
    204 
    205 @implementation Test13885083
    206 -(id) init
    207 {
    208   self = [super init];
    209   return self;
    210 }
    211 @end
    212 
    213