Daniel Dunbar | a572887 | 2009-12-15 20:14:24 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
Douglas Gregor | c8ab256 | 2009-05-31 09:31:02 +0000 | [diff] [blame] | 2 | template<typename T> |
Douglas Gregor | bf4ea56 | 2009-09-15 16:23:51 +0000 | [diff] [blame] | 3 | struct is_pointer { |
Douglas Gregor | c8ab256 | 2009-05-31 09:31:02 +0000 | [diff] [blame] | 4 | static const bool value = false; |
| 5 | }; |
| 6 | |
| 7 | template<typename T> |
| 8 | struct is_pointer<T*> { |
| 9 | static const bool value = true; |
| 10 | }; |
| 11 | |
| 12 | template<typename T> |
| 13 | struct is_pointer<const T*> { |
| 14 | static const bool value = true; |
| 15 | }; |
| 16 | |
| 17 | int array0[is_pointer<int>::value? -1 : 1]; |
| 18 | int array1[is_pointer<int*>::value? 1 : -1]; |
Douglas Gregor | bf4ea56 | 2009-09-15 16:23:51 +0000 | [diff] [blame] | 19 | int array2[is_pointer<const int*>::value? 1 : -1]; |
Douglas Gregor | 0b9247f | 2009-06-04 00:03:07 +0000 | [diff] [blame] | 20 | |
Douglas Gregor | d560d50 | 2009-06-04 00:21:18 +0000 | [diff] [blame] | 21 | template<typename T> |
| 22 | struct is_lvalue_reference { |
| 23 | static const bool value = false; |
| 24 | }; |
| 25 | |
| 26 | template<typename T> |
| 27 | struct is_lvalue_reference<T&> { |
| 28 | static const bool value = true; |
| 29 | }; |
| 30 | |
| 31 | int lvalue_ref0[is_lvalue_reference<int>::value? -1 : 1]; |
| 32 | int lvalue_ref1[is_lvalue_reference<const int&>::value? 1 : -1]; |
| 33 | |
Douglas Gregor | 9e9fae4 | 2009-07-22 20:02:25 +0000 | [diff] [blame] | 34 | template<typename T> |
| 35 | struct is_const { |
| 36 | static const bool value = false; |
| 37 | }; |
| 38 | |
| 39 | template<typename T> |
| 40 | struct is_const<const T> { |
| 41 | static const bool value = true; |
| 42 | }; |
| 43 | |
| 44 | int is_const0[is_const<int>::value? -1 : 1]; |
| 45 | int is_const1[is_const<const int>::value? 1 : -1]; |
| 46 | int is_const2[is_const<const volatile int>::value? 1 : -1]; |
Douglas Gregor | 1f618a0 | 2009-07-22 20:07:21 +0000 | [diff] [blame] | 47 | int is_const3[is_const<const int [3]>::value? 1 : -1]; |
| 48 | int is_const4[is_const<const volatile int[3]>::value? 1 : -1]; |
Douglas Gregor | f61ef4f | 2009-07-29 16:13:25 +0000 | [diff] [blame] | 49 | int is_const5[is_const<volatile int[3]>::value? -1 : 1]; |
Douglas Gregor | 9e9fae4 | 2009-07-22 20:02:25 +0000 | [diff] [blame] | 50 | |
| 51 | template<typename T> |
| 52 | struct is_volatile { |
| 53 | static const bool value = false; |
| 54 | }; |
| 55 | |
| 56 | template<typename T> |
| 57 | struct is_volatile<volatile T> { |
| 58 | static const bool value = true; |
| 59 | }; |
| 60 | |
| 61 | int is_volatile0[is_volatile<int>::value? -1 : 1]; |
| 62 | int is_volatile1[is_volatile<volatile int>::value? 1 : -1]; |
| 63 | int is_volatile2[is_volatile<const volatile int>::value? 1 : -1]; |
| 64 | int is_volatile3[is_volatile<volatile char[3]>::value? 1 : -1]; |
| 65 | |
Douglas Gregor | 0b9247f | 2009-06-04 00:03:07 +0000 | [diff] [blame] | 66 | template<typename T, typename U> |
| 67 | struct is_same { |
| 68 | static const bool value = false; |
| 69 | }; |
| 70 | |
| 71 | template<typename T> |
| 72 | struct is_same<T, T> { |
| 73 | static const bool value = true; |
| 74 | }; |
| 75 | |
| 76 | typedef int INT; |
| 77 | typedef INT* int_ptr; |
| 78 | |
| 79 | int is_same0[is_same<int, int>::value? 1 : -1]; |
| 80 | int is_same1[is_same<int, INT>::value? 1 : -1]; |
| 81 | int is_same2[is_same<const int, int>::value? -1 : 1]; |
| 82 | int is_same3[is_same<int_ptr, int>::value? -1 : 1]; |
Anders Carlsson | 4d6fb50 | 2009-06-04 04:11:30 +0000 | [diff] [blame] | 83 | |
| 84 | template<typename T> |
Douglas Gregor | 199d991 | 2009-06-05 00:53:49 +0000 | [diff] [blame] | 85 | struct remove_reference { |
| 86 | typedef T type; |
| 87 | }; |
| 88 | |
| 89 | template<typename T> |
| 90 | struct remove_reference<T&> { |
| 91 | typedef T type; |
| 92 | }; |
| 93 | |
| 94 | int remove_ref0[is_same<remove_reference<int>::type, int>::value? 1 : -1]; |
| 95 | int remove_ref1[is_same<remove_reference<int&>::type, int>::value? 1 : -1]; |
Douglas Gregor | f290e0d | 2009-07-22 21:30:48 +0000 | [diff] [blame] | 96 | |
| 97 | template<typename T> |
| 98 | struct remove_const { |
| 99 | typedef T type; |
| 100 | }; |
| 101 | |
| 102 | template<typename T> |
| 103 | struct remove_const<const T> { |
| 104 | typedef T type; |
| 105 | }; |
| 106 | |
| 107 | int remove_const0[is_same<remove_const<const int>::type, int>::value? 1 : -1]; |
| 108 | int remove_const1[is_same<remove_const<const int[3]>::type, int[3]>::value? 1 : -1]; |
| 109 | |
Douglas Gregor | 199d991 | 2009-06-05 00:53:49 +0000 | [diff] [blame] | 110 | template<typename T> |
Anders Carlsson | 4d6fb50 | 2009-06-04 04:11:30 +0000 | [diff] [blame] | 111 | struct is_incomplete_array { |
| 112 | static const bool value = false; |
| 113 | }; |
| 114 | |
| 115 | template<typename T> |
| 116 | struct is_incomplete_array<T[]> { |
| 117 | static const bool value = true; |
| 118 | }; |
| 119 | |
| 120 | int incomplete_array0[is_incomplete_array<int>::value ? -1 : 1]; |
| 121 | int incomplete_array1[is_incomplete_array<int[1]>::value ? -1 : 1]; |
| 122 | int incomplete_array2[is_incomplete_array<bool[]>::value ? 1 : -1]; |
| 123 | int incomplete_array3[is_incomplete_array<int[]>::value ? 1 : -1]; |
| 124 | |
| 125 | template<typename T> |
| 126 | struct is_array_with_4_elements { |
| 127 | static const bool value = false; |
| 128 | }; |
| 129 | |
| 130 | template<typename T> |
| 131 | struct is_array_with_4_elements<T[4]> { |
| 132 | static const bool value = true; |
| 133 | }; |
| 134 | |
| 135 | int array_with_4_elements0[is_array_with_4_elements<int[]>::value ? -1 : 1]; |
| 136 | int array_with_4_elements1[is_array_with_4_elements<int[1]>::value ? -1 : 1]; |
| 137 | int array_with_4_elements2[is_array_with_4_elements<int[4]>::value ? 1 : -1]; |
| 138 | int array_with_4_elements3[is_array_with_4_elements<int[4][2]>::value ? 1 : -1]; |
Douglas Gregor | 199d991 | 2009-06-05 00:53:49 +0000 | [diff] [blame] | 139 | |
| 140 | template<typename T> |
| 141 | struct get_array_size; |
| 142 | |
| 143 | template<typename T, unsigned N> |
| 144 | struct get_array_size<T[N]> { |
| 145 | static const unsigned value = N; |
| 146 | }; |
| 147 | |
| 148 | int array_size0[get_array_size<int[12]>::value == 12? 1 : -1]; |
Anders Carlsson | a27fad5 | 2009-06-08 15:19:08 +0000 | [diff] [blame] | 149 | |
| 150 | template<typename T> |
Douglas Gregor | b084a05 | 2009-07-22 20:25:36 +0000 | [diff] [blame] | 151 | struct remove_extent { |
| 152 | typedef T type; |
| 153 | }; |
| 154 | |
| 155 | template<typename T> |
| 156 | struct remove_extent<T[]> { |
| 157 | typedef T type; |
| 158 | }; |
| 159 | |
| 160 | template<typename T, unsigned N> |
| 161 | struct remove_extent<T[N]> { |
| 162 | typedef T type; |
| 163 | }; |
| 164 | |
| 165 | int remove_extent0[is_same<remove_extent<int[][5]>::type, int[5]>::value? 1 : -1]; |
| 166 | int remove_extent1[is_same<remove_extent<const int[][5]>::type, const int[5]>::value? 1 : -1]; |
| 167 | |
| 168 | template<typename T> |
Anders Carlsson | a27fad5 | 2009-06-08 15:19:08 +0000 | [diff] [blame] | 169 | struct is_unary_function { |
| 170 | static const bool value = false; |
| 171 | }; |
| 172 | |
| 173 | template<typename T, typename U> |
| 174 | struct is_unary_function<T (*)(U)> { |
| 175 | static const bool value = true; |
| 176 | }; |
| 177 | |
| 178 | int is_unary_function0[is_unary_function<int>::value ? -1 : 1]; |
| 179 | int is_unary_function1[is_unary_function<int (*)()>::value ? -1 : 1]; |
| 180 | int is_unary_function2[is_unary_function<int (*)(int, bool)>::value ? -1 : 1]; |
| 181 | int is_unary_function3[is_unary_function<int (*)(bool)>::value ? 1 : -1]; |
| 182 | int is_unary_function4[is_unary_function<int (*)(int)>::value ? 1 : -1]; |
| 183 | |
| 184 | template<typename T> |
| 185 | struct is_unary_function_with_same_return_type_as_argument_type { |
| 186 | static const bool value = false; |
| 187 | }; |
| 188 | |
| 189 | template<typename T> |
| 190 | struct is_unary_function_with_same_return_type_as_argument_type<T (*)(T)> { |
| 191 | static const bool value = true; |
| 192 | }; |
| 193 | |
| 194 | int is_unary_function5[is_unary_function_with_same_return_type_as_argument_type<int>::value ? -1 : 1]; |
| 195 | int is_unary_function6[is_unary_function_with_same_return_type_as_argument_type<int (*)()>::value ? -1 : 1]; |
| 196 | int is_unary_function7[is_unary_function_with_same_return_type_as_argument_type<int (*)(int, bool)>::value ? -1 : 1]; |
| 197 | int is_unary_function8[is_unary_function_with_same_return_type_as_argument_type<int (*)(bool)>::value ? -1 : 1]; |
| 198 | int is_unary_function9[is_unary_function_with_same_return_type_as_argument_type<int (*)(int)>::value ? 1 : -1]; |
Anders Carlsson | 994b6cb | 2009-06-08 19:22:23 +0000 | [diff] [blame] | 199 | int is_unary_function10[is_unary_function_with_same_return_type_as_argument_type<int (*)(int, ...)>::value ? -1 : 1]; |
| 200 | int is_unary_function11[is_unary_function_with_same_return_type_as_argument_type<int (* const)(int)>::value ? -1 : 1]; |
Douglas Gregor | 1fe067a | 2009-06-08 16:04:08 +0000 | [diff] [blame] | 201 | |
| 202 | template<typename T> |
| 203 | struct is_binary_function { |
| 204 | static const bool value = false; |
| 205 | }; |
| 206 | |
| 207 | template<typename R, typename T1, typename T2> |
| 208 | struct is_binary_function<R(T1, T2)> { |
| 209 | static const bool value = true; |
| 210 | }; |
| 211 | |
| 212 | int is_binary_function0[is_binary_function<int(float, double)>::value? 1 : -1]; |
Douglas Gregor | 949bf69 | 2009-06-09 22:17:39 +0000 | [diff] [blame] | 213 | |
| 214 | template<typename T> |
| 215 | struct is_member_pointer { |
| 216 | static const bool value = false; |
| 217 | }; |
| 218 | |
| 219 | template<typename T, typename Class> |
| 220 | struct is_member_pointer<T Class::*> { |
| 221 | static const bool value = true; |
| 222 | }; |
Douglas Gregor | 637a409 | 2009-06-10 23:47:09 +0000 | [diff] [blame] | 223 | |
| 224 | struct X { }; |
| 225 | |
| 226 | int is_member_pointer0[is_member_pointer<int X::*>::value? 1 : -1]; |
| 227 | int is_member_pointer1[is_member_pointer<const int X::*>::value? 1 : -1]; |
| 228 | int is_member_pointer2[is_member_pointer<int (X::*)()>::value? 1 : -1]; |
| 229 | int is_member_pointer3[is_member_pointer<int (X::*)(int) const>::value? 1 : -1]; |
| 230 | int is_member_pointer4[is_member_pointer<int (X::**)(int) const>::value? -1 : 1]; |
| 231 | int is_member_pointer5[is_member_pointer<int>::value? -1 : 1]; |
| 232 | |
| 233 | template<typename T> |
| 234 | struct is_member_function_pointer { |
| 235 | static const bool value = false; |
| 236 | }; |
| 237 | |
| 238 | template<typename T, typename Class> |
| 239 | struct is_member_function_pointer<T (Class::*)()> { |
| 240 | static const bool value = true; |
| 241 | }; |
| 242 | |
| 243 | template<typename T, typename Class> |
| 244 | struct is_member_function_pointer<T (Class::*)() const> { |
| 245 | static const bool value = true; |
| 246 | }; |
| 247 | |
| 248 | template<typename T, typename Class> |
| 249 | struct is_member_function_pointer<T (Class::*)() volatile> { |
| 250 | static const bool value = true; |
| 251 | }; |
| 252 | |
| 253 | template<typename T, typename Class> |
| 254 | struct is_member_function_pointer<T (Class::*)() const volatile> { |
| 255 | static const bool value = true; |
| 256 | }; |
| 257 | |
| 258 | template<typename T, typename Class, typename A1> |
| 259 | struct is_member_function_pointer<T (Class::*)(A1)> { |
| 260 | static const bool value = true; |
| 261 | }; |
| 262 | |
| 263 | template<typename T, typename Class, typename A1> |
| 264 | struct is_member_function_pointer<T (Class::*)(A1) const> { |
| 265 | static const bool value = true; |
| 266 | }; |
| 267 | |
| 268 | template<typename T, typename Class, typename A1> |
| 269 | struct is_member_function_pointer<T (Class::*)(A1) volatile> { |
| 270 | static const bool value = true; |
| 271 | }; |
| 272 | |
| 273 | template<typename T, typename Class, typename A1> |
| 274 | struct is_member_function_pointer<T (Class::*)(A1) const volatile> { |
| 275 | static const bool value = true; |
| 276 | }; |
| 277 | |
| 278 | int is_member_function_pointer0[ |
| 279 | is_member_function_pointer<int X::*>::value? -1 : 1]; |
| 280 | int is_member_function_pointer1[ |
| 281 | is_member_function_pointer<int (X::*)()>::value? 1 : -1]; |
| 282 | int is_member_function_pointer2[ |
| 283 | is_member_function_pointer<X (X::*)(X&)>::value? 1 : -1]; |
| 284 | int is_member_function_pointer3[ |
| 285 | is_member_function_pointer<int (X::*)() const>::value? 1 : -1]; |
| 286 | int is_member_function_pointer4[ |
| 287 | is_member_function_pointer<int (X::*)(float) const>::value? 1 : -1]; |
| 288 | |
Douglas Gregor | 02cbbd2 | 2009-06-11 18:10:32 +0000 | [diff] [blame] | 289 | // Test substitution of non-dependent arguments back into the template |
| 290 | // argument list of the class template partial specialization. |
Douglas Gregor | 637a409 | 2009-06-10 23:47:09 +0000 | [diff] [blame] | 291 | template<typename T, typename ValueType = T> |
| 292 | struct is_nested_value_type_identity { |
| 293 | static const bool value = false; |
| 294 | }; |
| 295 | |
| 296 | template<typename T> |
| 297 | struct is_nested_value_type_identity<T, typename T::value_type> { |
| 298 | static const bool value = true; |
| 299 | }; |
| 300 | |
| 301 | template<typename T> |
| 302 | struct HasValueType { |
| 303 | typedef T value_type; |
| 304 | }; |
| 305 | |
| 306 | struct HasIdentityValueType { |
| 307 | typedef HasIdentityValueType value_type; |
| 308 | }; |
| 309 | |
| 310 | struct NoValueType { }; |
| 311 | |
Douglas Gregor | 02cbbd2 | 2009-06-11 18:10:32 +0000 | [diff] [blame] | 312 | int is_nested_value_type_identity0[ |
| 313 | is_nested_value_type_identity<HasValueType<int> >::value? -1 : 1]; |
Douglas Gregor | 637a409 | 2009-06-10 23:47:09 +0000 | [diff] [blame] | 314 | int is_nested_value_type_identity1[ |
| 315 | is_nested_value_type_identity<HasIdentityValueType>::value? 1 : -1]; |
Douglas Gregor | 5e9f35c | 2009-06-14 07:33:30 +0000 | [diff] [blame] | 316 | int is_nested_value_type_identity2[ |
| 317 | is_nested_value_type_identity<NoValueType>::value? -1 : 1]; |
Douglas Gregor | 02cbbd2 | 2009-06-11 18:10:32 +0000 | [diff] [blame] | 318 | |
Douglas Gregor | 16df850 | 2009-06-12 22:21:45 +0000 | [diff] [blame] | 319 | |
| 320 | // C++ [temp.class.spec]p4: |
| 321 | template<class T1, class T2, int I> class A { }; //#1 |
| 322 | template<class T, int I> class A<T, T*, I> { }; //#2 |
| 323 | template<class T1, class T2, int I> class A<T1*, T2, I> { }; //#3 |
| 324 | template<class T> class A<int, T*, 5> { }; //#4 |
| 325 | template<class T1, class T2, int I> class A<T1, T2*, I> { }; //#5 |
Douglas Gregor | f61ef4f | 2009-07-29 16:13:25 +0000 | [diff] [blame] | 326 | |
Douglas Gregor | 1f27ac6 | 2009-07-29 16:15:53 +0000 | [diff] [blame] | 327 | // Redefinition of class template partial specializations |
Douglas Gregor | f61ef4f | 2009-07-29 16:13:25 +0000 | [diff] [blame] | 328 | template<typename T, T N, typename U> class A0; |
| 329 | |
| 330 | template<typename T, T N> class A0<T, N, int> { }; // expected-note{{here}} |
| 331 | template<typename T, T N> class A0<T, N, int>; |
| 332 | template<typename T, T N> class A0<T, N, int> { }; // expected-error{{redef}} |
Douglas Gregor | c781f9c | 2010-01-14 18:13:22 +0000 | [diff] [blame] | 333 | |
| 334 | namespace PR6025 { |
| 335 | template< int N > struct A; |
| 336 | |
| 337 | namespace N |
| 338 | { |
| 339 | template< typename F > |
| 340 | struct B; |
| 341 | } |
| 342 | |
| 343 | template< typename Protect, typename Second > |
| 344 | struct C; |
| 345 | |
| 346 | template <class T> |
| 347 | struct C< T, A< N::B<T>::value > > |
| 348 | { |
| 349 | }; |
| 350 | } |
Douglas Gregor | de09096 | 2010-02-09 00:37:32 +0000 | [diff] [blame] | 351 | |
| 352 | namespace PR6181 { |
| 353 | template <class T> |
| 354 | class a; |
| 355 | |
| 356 | class s; |
| 357 | |
| 358 | template <class U> |
| 359 | class a<s> // expected-error{{partial specialization of 'a' does not use any of its template parameters}} |
| 360 | { |
| 361 | }; |
| 362 | |
| 363 | } |