| 1 | // RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s |
| 2 | |
| 3 | @interface Test { |
| 4 | int x; |
| 5 | } |
| 6 | |
| 7 | -(void) setX: (int) d; |
| 8 | @end |
| 9 | |
| 10 | extern struct foo x; |
| 11 | |
| 12 | @implementation Test |
| 13 | |
| 14 | -(void) setX: (int) n { |
| 15 | x = n; |
| 16 | } |
| 17 | |
| 18 | @end |
| 19 | |
| 20 | @interface Ivar |
| 21 | - (float*)method; |
| 22 | @end |
| 23 | |
| 24 | @interface A { |
| 25 | A *Ivar; |
| 26 | } |
| 27 | - (int*)method; |
| 28 | @end |
| 29 | |
| 30 | @implementation A |
| 31 | - (int*)method { |
| 32 | int *ip = [Ivar method]; // expected-warning{{incompatible pointer types initializing 'int *' with an expression of type 'float *'}} |
| 33 | // Note that there is no warning in Objective-C++ |
| 34 | return 0; |
| 35 | } |
| 36 | @end |
| 37 | |
| 38 | @interface TwoIvars { |
| 39 | int a; |
| 40 | int b; |
| 41 | } |
| 42 | @end |
| 43 | |
| 44 | @implementation TwoIvars |
| 45 | + (int)classMethod { |
| 46 | return a + b; // expected-error{{instance variable 'a' accessed in class method}} \ |
| 47 | // expected-error{{instance variable 'b' accessed in class method}} |
| 48 | } |
| 49 | @end |
| 50 | |
| 51 | // rdar://10309454 |
| 52 | @interface Radar10309454 |
| 53 | { |
| 54 | int IVAR; // expected-note 4 {{previous definition is here}} |
| 55 | } |
| 56 | @end |
| 57 | |
| 58 | @interface Radar10309454() |
| 59 | { |
| 60 | int IVAR; // expected-error {{instance variable is already declared}} |
| 61 | int PIVAR; // expected-note {{previous definition is here}} |
| 62 | } |
| 63 | @end |
| 64 | |
| 65 | @interface Radar10309454() |
| 66 | { |
| 67 | int IVAR; // expected-error {{instance variable is already declared}} |
| 68 | } |
| 69 | @end |
| 70 | |
| 71 | @interface Radar10309454() |
| 72 | { |
| 73 | int IVAR; // expected-error {{instance variable is already declared}} |
| 74 | int PIVAR; // expected-error {{instance variable is already declared}} |
| 75 | } |
| 76 | @end |
| 77 | |
| 78 | @implementation Radar10309454 |
| 79 | { |
| 80 | int IVAR; // expected-error {{instance variable is already declared}} |
| 81 | } |
| 82 | @end |
| 83 | |
| 84 | // PR5984 |
| 85 | // rdar://14037151 |
| 86 | @interface Radar14037151 { |
| 87 | int myStatus; |
| 88 | } |
| 89 | - (int) test; |
| 90 | @end |
| 91 | |
| 92 | @implementation Radar14037151 |
| 93 | - (int) test |
| 94 | { |
| 95 | myStatus = 1; // works |
| 96 | __typeof(myStatus) __in; // works. |
| 97 | union U { |
| 98 | __typeof(myStatus) __in; // fails. |
| 99 | }; |
| 100 | struct S { |
| 101 | __typeof(myStatus) __in; // fails. |
| 102 | struct S1 { // expected-warning {{declaration does not declare anything}} |
| 103 | __typeof(myStatus) __in; // fails. |
| 104 | struct S { // expected-warning {{declaration does not declare anything}} |
| 105 | __typeof(myStatus) __in; // fails. |
| 106 | }; |
| 107 | }; |
| 108 | }; |
| 109 | |
| 110 | return 0; |
| 111 | } |
| 112 | @end |
| 113 | |
| 114 | // rdar://14278560 |
| 115 | @class NSString, NSData, NSNumber; |
| 116 | |
| 117 | @interface NSObject |
| 118 | { |
| 119 | Class isa; |
| 120 | } |
| 121 | @end |
| 122 | |
| 123 | @interface Foo |
| 124 | { |
| 125 | int a; |
| 126 | NSString* b; |
| 127 | NSData* c; |
| 128 | } |
| 129 | @end |
| 130 | |
| 131 | @interface Bar : Foo |
| 132 | @end |
| 133 | |
| 134 | @interface Bar () { |
| 135 | NSString *q_strong; |
| 136 | NSNumber *r_strong; |
| 137 | int d; // expected-note {{previous definition is here}} |
| 138 | NSString *e_strong; // expected-note {{previous definition is here}} |
| 139 | NSData *f_weak; // expected-note {{previous definition is here}} |
| 140 | int g; // expected-note 2 {{previous definition is here}} |
| 141 | } |
| 142 | @end |
| 143 | |
| 144 | @interface Bar () { |
| 145 | int g; // expected-note {{previous definition is here}} \ |
| 146 | // expected-error {{instance variable is already declared}} |
| 147 | } |
| 148 | @end |
| 149 | |
| 150 | @implementation Bar { |
| 151 | int d; // expected-error {{instance variable is already declared}} |
| 152 | NSString *e_strong; // expected-error {{instance variable is already declared}} |
| 153 | NSData *f_weak; // expected-error {{instance variable is already declared}} |
| 154 | NSData *g; // expected-error 2 {{instance variable is already declared}} |
| 155 | } |
| 156 | @end |
| 157 | |