1 __attribute__((objc_root_class)) 2 @interface NSError 3 @end 4 5 __attribute__((objc_root_class)) 6 @interface A 7 @end 8 9 struct X { }; 10 11 void f1(int *x); // expected-warning{{pointer is missing a nullability type specifier}} 12 13 typedef struct __attribute__((objc_bridge(NSError))) __CFError *CFErrorRef; 14 typedef NSError *NSErrorPtr; 15 typedef NSError **NSErrorPtrPtr; 16 typedef CFErrorRef *CFErrorRefPtr; 17 typedef int *int_ptr; 18 typedef A *A_ptr; 19 typedef int (^block_ptr)(int, int); 20 21 #pragma clang assume_nonnull begin 22 23 void f2(int *x); 24 void f3(A* obj); 25 void f4(int (^block)(int, int)); 26 void f5(int_ptr x); 27 void f6(A_ptr obj); 28 void f7(int * _Nullable x); 29 void f8(A * _Nullable obj); 30 void f9(int X::* mem_ptr); 31 void f10(int (X::*mem_func)(int, int)); 32 void f11(int X::* _Nullable mem_ptr); 33 void f12(int (X::* _Nullable mem_func)(int, int)); 34 35 int_ptr f13(void); 36 A *f14(void); 37 38 int * _Null_unspecified f15(void); 39 A * _Null_unspecified f16(void); 40 void f17(CFErrorRef *error); // expected-note{{no known conversion from 'A * _Nonnull' to 'CFErrorRef _Nullable * _Nullable' (aka '__CFError **') for 1st argument}} 41 void f18(A **); // expected-warning 2{{pointer is missing a nullability type specifier}} 42 void f19(CFErrorRefPtr error); // expected-warning{{pointer is missing a nullability type specifier}} 43 44 void g1(int (^)(int, int)); 45 void g2(int (^ *bp)(int, int)); // expected-warning{{block pointer is missing a nullability type specifier}} 46 // expected-warning@-1{{pointer is missing a nullability type specifier}} 47 void g3(block_ptr *bp); // expected-warning{{block pointer is missing a nullability type specifier}} 48 // expected-warning@-1{{pointer is missing a nullability type specifier}} 49 void g4(int (*fp)(int, int)); 50 void g5(int (**fp)(int, int)); // expected-warning 2{{pointer is missing a nullability type specifier}} 51 52 @interface A(Pragmas1) 53 + (instancetype)aWithA:(A *)a; 54 - (A *)method1:(A_ptr)ptr; 55 - (null_unspecified A *)method2; 56 - (void)method3:(NSError **)error; // expected-note{{passing argument to parameter 'error' here}} 57 - (void)method4:(NSErrorPtr *)error; // expected-note{{passing argument to parameter 'error' here}} 58 - (void)method5:(NSErrorPtrPtr)error; 59 // expected-warning@-1{{pointer is missing a nullability type specifier}} 60 61 @property A *aProp; 62 @property NSError **anError; // expected-warning 2{{pointer is missing a nullability type specifier}} 63 @end 64 65 int *global_int_ptr; 66 67 // typedefs not inferred _Nonnull 68 typedef int *int_ptr_2; 69 70 typedef int * // expected-warning{{pointer is missing a nullability type specifier}} 71 *int_ptr_ptr; 72 73 static inline void f30(void) { 74 float *fp = global_int_ptr; // expected-error{{cannot initialize a variable of type 'float *' with an lvalue of type 'int * _Nonnull'}} 75 76 int_ptr_2 ip2; 77 float *fp2 = ip2; // expected-error{{cannot initialize a variable of type 'float *' with an lvalue of type 'int_ptr_2' (aka 'int *')}} 78 79 int_ptr_ptr ipp; 80 float *fp3 = ipp; // expected-error{{lvalue of type 'int_ptr_ptr' (aka 'int **')}} 81 } 82 83 @interface AA : A { 84 @public 85 id ivar1; 86 _Nonnull id ivar2; 87 } 88 @end 89 90 #pragma clang assume_nonnull end 91 92 void f20(A *a); // expected-warning{{pointer is missing a nullability type specifier}} 93 void f21(int_ptr x); // expected-warning{{pointer is missing a nullability type specifier}} 94 void f22(A_ptr y); // expected-warning{{pointer is missing a nullability type specifier}} 95 void f23(int_ptr _Nullable x); 96 void f24(A_ptr _Nullable y); 97 void f25(int_ptr_2 x); // expected-warning{{pointer is missing a nullability type specifier}} 98 99 @interface A(OutsidePragmas1) 100 + (instancetype)aWithInt:(int)value; // expected-warning{{pointer is missing a nullability type specifier}} 101 @end 102
