| 1 | #include <stdarg.h> |
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| 2 | |
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| 3 | void firstThingInTheFileThatNeedsNullabilityIsAnArray(int ints[]); |
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| 4 | #if ARRAYS_CHECKED |
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| 5 | // expected-warning@-2 {{array parameter is missing a nullability type specifier}} |
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| 6 | // expected-note@-3 {{insert '_Nullable' if the array parameter may be null}} |
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| 7 | // expected-note@-4 {{insert '_Nonnull' if the array parameter should never be null}} |
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| 8 | #endif |
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| 9 | |
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| 10 | int *secondThingInTheFileThatNeedsNullabilityIsAPointer; |
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| 11 | #if !ARRAYS_CHECKED |
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| 12 | // expected-warning@-2 {{pointer is missing a nullability type specifier (_Nonnull, _Nullable, or _Null_unspecified)}} |
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| 13 | // expected-note@-3 {{insert '_Nullable' if the pointer may be null}} |
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| 14 | // expected-note@-4 {{insert '_Nonnull' if the pointer should never be null}} |
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| 15 | #endif |
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| 16 | |
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| 17 | int *_Nonnull triggerConsistencyWarnings; |
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| 18 | |
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| 19 | void test( |
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| 20 | int ints[], |
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| 21 | #if ARRAYS_CHECKED |
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| 22 | // expected-warning@-2 {{array parameter is missing a nullability type specifier}} |
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| 23 | // expected-note@-3 {{insert '_Nullable' if the array parameter may be null}} |
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| 24 | // expected-note@-4 {{insert '_Nonnull' if the array parameter should never be null}} |
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| 25 | #endif |
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| 26 | void *ptrs[], // expected-warning {{pointer is missing a nullability type specifier}} |
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| 27 | // expected-note@-1 {{insert '_Nullable' if the pointer may be null}} |
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| 28 | // expected-note@-2 {{insert '_Nonnull' if the pointer should never be null}} |
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| 29 | #if ARRAYS_CHECKED |
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| 30 | // expected-warning@-4 {{array parameter is missing a nullability type specifier}} |
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| 31 | // expected-note@-5 {{insert '_Nullable' if the array parameter may be null}} |
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| 32 | // expected-note@-6 {{insert '_Nonnull' if the array parameter should never be null}} |
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| 33 | #endif |
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| 34 | void **nestedPtrs[]); // expected-warning 2 {{pointer is missing a nullability type specifier}} |
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| 35 | // expected-note@-1 2 {{insert '_Nullable' if the pointer may be null}} |
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| 36 | // expected-note@-2 2 {{insert '_Nonnull' if the pointer should never be null}} |
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| 37 | #if ARRAYS_CHECKED |
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| 38 | // expected-warning@-4 {{array parameter is missing a nullability type specifier}} |
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| 39 | // expected-note@-5 {{insert '_Nullable' if the array parameter may be null}} |
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| 40 | // expected-note@-6 {{insert '_Nonnull' if the array parameter should never be null}} |
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| 41 | #endif |
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| 42 | |
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| 43 | void testArraysOK( |
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| 44 | int ints[_Nonnull], |
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| 45 | void *ptrs[_Nonnull], // expected-warning {{pointer is missing a nullability type specifier}} |
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| 46 | // expected-note@-1 {{insert '_Nullable' if the pointer may be null}} |
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| 47 | // expected-note@-2 {{insert '_Nonnull' if the pointer should never be null}} |
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| 48 | void **nestedPtrs[_Nonnull]); // expected-warning 2 {{pointer is missing a nullability type specifier}} |
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| 49 | // expected-note@-1 2 {{insert '_Nullable' if the pointer may be null}} |
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| 50 | // expected-note@-2 2 {{insert '_Nonnull' if the pointer should never be null}} |
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| 51 | void testAllOK( |
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| 52 | int ints[_Nonnull], |
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| 53 | void * _Nullable ptrs[_Nonnull], |
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| 54 | void * _Nullable * _Nullable nestedPtrs[_Nonnull]); |
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| 55 | |
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| 56 | void testVAList(va_list ok); // no warning |
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| 57 | |
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| 58 | #if __cplusplus |
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| 59 | // Carefully construct a test case such that if a platform's va_list is an array |
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| 60 | // or pointer type, it gets tested, but otherwise it does not. |
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| 61 | template<class T, class F> |
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| 62 | struct pointer_like_or { typedef F type; }; |
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| 63 | template<class T, class F> |
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| 64 | struct pointer_like_or<T*, F> { typedef T *type; }; |
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| 65 | template<class T, class F> |
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| 66 | struct pointer_like_or<T* const, F> { typedef T * const type; }; |
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| 67 | template<class T, class F> |
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| 68 | struct pointer_like_or<T[], F> { typedef T type[]; }; |
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| 69 | template<class T, class F, unsigned size> |
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| 70 | struct pointer_like_or<T[size], F> { typedef T type[size]; }; |
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| 71 | |
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| 72 | void testVAListWithNullability( |
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| 73 | pointer_like_or<va_list, void*>::type _Nonnull x); // no errors |
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| 74 | #endif |
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| 75 | |
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| 76 | void nestedArrays(int x[5][1]) {} |
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| 77 | #if ARRAYS_CHECKED |
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| 78 | // expected-warning@-2 {{array parameter is missing a nullability type specifier}} |
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| 79 | // expected-note@-3 {{insert '_Nullable' if the array parameter may be null}} |
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| 80 | // expected-note@-4 {{insert '_Nonnull' if the array parameter should never be null}} |
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| 81 | #endif |
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| 82 | void nestedArraysOK(int x[_Nonnull 5][1]) {} |
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| 83 | |
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| 84 | #if !__cplusplus |
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| 85 | void staticOK(int x[static 5][1]){} |
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| 86 | #endif |
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| 87 | |
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| 88 | int globalArraysDoNotNeedNullability[5]; |
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| 89 | |
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| 90 | typedef int INTS[4]; |
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| 91 | |
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| 92 | void typedefTest( |
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| 93 | INTS x, |
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| 94 | #if ARRAYS_CHECKED |
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| 95 | // expected-warning@-2 {{array parameter is missing a nullability type specifier}} |
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| 96 | // expected-note@-3 {{insert '_Nullable' if the array parameter may be null}} |
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| 97 | // expected-note@-4 {{insert '_Nonnull' if the array parameter should never be null}} |
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| 98 | #endif |
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| 99 | INTS _Nonnull x2, |
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| 100 | _Nonnull INTS x3, |
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| 101 | INTS y[2], |
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| 102 | #if ARRAYS_CHECKED |
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| 103 | // expected-warning@-2 {{array parameter is missing a nullability type specifier}} |
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| 104 | // expected-note@-3 {{insert '_Nullable' if the array parameter may be null}} |
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| 105 | // expected-note@-4 {{insert '_Nonnull' if the array parameter should never be null}} |
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| 106 | #endif |
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| 107 | INTS y2[_Nonnull 2]); |
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| 108 | |
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| 109 | |
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| 110 | #pragma clang assume_nonnull begin |
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| 111 | void testAssumeNonnull( |
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| 112 | int ints[], |
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| 113 | #if ARRAYS_CHECKED |
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| 114 | // expected-warning@-2 {{array parameter is missing a nullability type specifier}} |
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| 115 | // expected-note@-3 {{insert '_Nullable' if the array parameter may be null}} |
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| 116 | // expected-note@-4 {{insert '_Nonnull' if the array parameter should never be null}} |
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| 117 | #endif |
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| 118 | void *ptrs[], |
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| 119 | #if ARRAYS_CHECKED |
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| 120 | // expected-warning@-2 {{array parameter is missing a nullability type specifier}} |
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| 121 | // expected-note@-3 {{insert '_Nullable' if the array parameter may be null}} |
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| 122 | // expected-note@-4 {{insert '_Nonnull' if the array parameter should never be null}} |
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| 123 | #endif |
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| 124 | void **nestedPtrs[]); // expected-warning 2 {{pointer is missing a nullability type specifier}} |
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| 125 | // expected-note@-1 2 {{insert '_Nullable' if the pointer may be null}} |
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| 126 | // expected-note@-2 2 {{insert '_Nonnull' if the pointer should never be null}} |
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| 127 | #if ARRAYS_CHECKED |
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| 128 | // expected-warning@-4 {{array parameter is missing a nullability type specifier}} |
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| 129 | // expected-note@-5 {{insert '_Nullable' if the array parameter may be null}} |
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| 130 | // expected-note@-6 {{insert '_Nonnull' if the array parameter should never be null}} |
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| 131 | #endif |
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| 132 | |
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| 133 | void testAssumeNonnullAllOK( |
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| 134 | int ints[_Nonnull], |
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| 135 | void * _Nullable ptrs[_Nonnull], |
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| 136 | void * _Nullable * _Nullable nestedPtrs[_Nonnull]); |
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| 137 | void testAssumeNonnullAllOK2( |
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| 138 | int ints[_Nonnull], |
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| 139 | void * ptrs[_Nonnull], // backwards-compatibility |
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| 140 | void * _Nullable * _Nullable nestedPtrs[_Nonnull]); |
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| 141 | #pragma clang assume_nonnull end |
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| 142 | |
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