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| 1 // -*- C++ -*- |
| 2 //===----------------------------------------------------------------------===// |
| 3 // |
| 4 // The LLVM Compiler Infrastructure |
| 5 // |
| 6 // This file is dual licensed under the MIT and the University of Illinois Open |
| 7 // Source Licenses. See LICENSE.TXT for details. |
| 8 // |
| 9 //===----------------------------------------------------------------------===// |
| 10 |
| 11 #ifndef _LIBCPP_FUNCTIONAL_BASE_03 |
| 12 #define _LIBCPP_FUNCTIONAL_BASE_03 |
| 13 |
| 14 // manual variadic expansion for <functional> |
| 15 |
| 16 // __weak_result_type |
| 17 |
| 18 template <class _Tp> |
| 19 struct __derives_from_unary_function |
| 20 { |
| 21 private: |
| 22 struct __two {char __lx; char __lxx;}; |
| 23 static __two __test(...); |
| 24 template <class _Ap, class _Rp> |
| 25 static unary_function<_Ap, _Rp> |
| 26 __test(const volatile unary_function<_Ap, _Rp>*); |
| 27 public: |
| 28 static const bool value = !is_same<decltype(__test((_Tp*)0)), __two>::value; |
| 29 typedef decltype(__test((_Tp*)0)) type; |
| 30 }; |
| 31 |
| 32 template <class _Tp> |
| 33 struct __derives_from_binary_function |
| 34 { |
| 35 private: |
| 36 struct __two {char __lx; char __lxx;}; |
| 37 static __two __test(...); |
| 38 template <class _A1, class _A2, class _Rp> |
| 39 static binary_function<_A1, _A2, _Rp> |
| 40 __test(const volatile binary_function<_A1, _A2, _Rp>*); |
| 41 public: |
| 42 static const bool value = !is_same<decltype(__test((_Tp*)0)), __two>::value; |
| 43 typedef decltype(__test((_Tp*)0)) type; |
| 44 }; |
| 45 |
| 46 template <class _Tp, bool = __derives_from_unary_function<_Tp>::value> |
| 47 struct __maybe_derive_from_unary_function // bool is true |
| 48 : public __derives_from_unary_function<_Tp>::type |
| 49 { |
| 50 }; |
| 51 |
| 52 template <class _Tp> |
| 53 struct __maybe_derive_from_unary_function<_Tp, false> |
| 54 { |
| 55 }; |
| 56 |
| 57 template <class _Tp, bool = __derives_from_binary_function<_Tp>::value> |
| 58 struct __maybe_derive_from_binary_function // bool is true |
| 59 : public __derives_from_binary_function<_Tp>::type |
| 60 { |
| 61 }; |
| 62 |
| 63 template <class _Tp> |
| 64 struct __maybe_derive_from_binary_function<_Tp, false> |
| 65 { |
| 66 }; |
| 67 |
| 68 template <class _Tp, bool = __has_result_type<_Tp>::value> |
| 69 struct __weak_result_type_imp // bool is true |
| 70 : public __maybe_derive_from_unary_function<_Tp>, |
| 71 public __maybe_derive_from_binary_function<_Tp> |
| 72 { |
| 73 typedef typename _Tp::result_type result_type; |
| 74 }; |
| 75 |
| 76 template <class _Tp> |
| 77 struct __weak_result_type_imp<_Tp, false> |
| 78 : public __maybe_derive_from_unary_function<_Tp>, |
| 79 public __maybe_derive_from_binary_function<_Tp> |
| 80 { |
| 81 }; |
| 82 |
| 83 template <class _Tp> |
| 84 struct __weak_result_type |
| 85 : public __weak_result_type_imp<typename remove_reference<_Tp>::type> |
| 86 { |
| 87 }; |
| 88 |
| 89 // 0 argument case |
| 90 |
| 91 template <class _Rp> |
| 92 struct __weak_result_type<_Rp ()> |
| 93 { |
| 94 typedef _Rp result_type; |
| 95 }; |
| 96 |
| 97 template <class _Rp> |
| 98 struct __weak_result_type<_Rp (&)()> |
| 99 { |
| 100 typedef _Rp result_type; |
| 101 }; |
| 102 |
| 103 template <class _Rp> |
| 104 struct __weak_result_type<_Rp (*)()> |
| 105 { |
| 106 typedef _Rp result_type; |
| 107 }; |
| 108 |
| 109 // 1 argument case |
| 110 |
| 111 template <class _Rp, class _A1> |
| 112 struct __weak_result_type<_Rp (_A1)> |
| 113 : public unary_function<_A1, _Rp> |
| 114 { |
| 115 }; |
| 116 |
| 117 template <class _Rp, class _A1> |
| 118 struct __weak_result_type<_Rp (&)(_A1)> |
| 119 : public unary_function<_A1, _Rp> |
| 120 { |
| 121 }; |
| 122 |
| 123 template <class _Rp, class _A1> |
| 124 struct __weak_result_type<_Rp (*)(_A1)> |
| 125 : public unary_function<_A1, _Rp> |
| 126 { |
| 127 }; |
| 128 |
| 129 template <class _Rp, class _Cp> |
| 130 struct __weak_result_type<_Rp (_Cp::*)()> |
| 131 : public unary_function<_Cp*, _Rp> |
| 132 { |
| 133 }; |
| 134 |
| 135 template <class _Rp, class _Cp> |
| 136 struct __weak_result_type<_Rp (_Cp::*)() const> |
| 137 : public unary_function<const _Cp*, _Rp> |
| 138 { |
| 139 }; |
| 140 |
| 141 template <class _Rp, class _Cp> |
| 142 struct __weak_result_type<_Rp (_Cp::*)() volatile> |
| 143 : public unary_function<volatile _Cp*, _Rp> |
| 144 { |
| 145 }; |
| 146 |
| 147 template <class _Rp, class _Cp> |
| 148 struct __weak_result_type<_Rp (_Cp::*)() const volatile> |
| 149 : public unary_function<const volatile _Cp*, _Rp> |
| 150 { |
| 151 }; |
| 152 |
| 153 // 2 argument case |
| 154 |
| 155 template <class _Rp, class _A1, class _A2> |
| 156 struct __weak_result_type<_Rp (_A1, _A2)> |
| 157 : public binary_function<_A1, _A2, _Rp> |
| 158 { |
| 159 }; |
| 160 |
| 161 template <class _Rp, class _A1, class _A2> |
| 162 struct __weak_result_type<_Rp (*)(_A1, _A2)> |
| 163 : public binary_function<_A1, _A2, _Rp> |
| 164 { |
| 165 }; |
| 166 |
| 167 template <class _Rp, class _A1, class _A2> |
| 168 struct __weak_result_type<_Rp (&)(_A1, _A2)> |
| 169 : public binary_function<_A1, _A2, _Rp> |
| 170 { |
| 171 }; |
| 172 |
| 173 template <class _Rp, class _Cp, class _A1> |
| 174 struct __weak_result_type<_Rp (_Cp::*)(_A1)> |
| 175 : public binary_function<_Cp*, _A1, _Rp> |
| 176 { |
| 177 }; |
| 178 |
| 179 template <class _Rp, class _Cp, class _A1> |
| 180 struct __weak_result_type<_Rp (_Cp::*)(_A1) const> |
| 181 : public binary_function<const _Cp*, _A1, _Rp> |
| 182 { |
| 183 }; |
| 184 |
| 185 template <class _Rp, class _Cp, class _A1> |
| 186 struct __weak_result_type<_Rp (_Cp::*)(_A1) volatile> |
| 187 : public binary_function<volatile _Cp*, _A1, _Rp> |
| 188 { |
| 189 }; |
| 190 |
| 191 template <class _Rp, class _Cp, class _A1> |
| 192 struct __weak_result_type<_Rp (_Cp::*)(_A1) const volatile> |
| 193 : public binary_function<const volatile _Cp*, _A1, _Rp> |
| 194 { |
| 195 }; |
| 196 |
| 197 // 3 or more arguments |
| 198 |
| 199 template <class _Rp, class _A1, class _A2, class _A3> |
| 200 struct __weak_result_type<_Rp (_A1, _A2, _A3)> |
| 201 { |
| 202 typedef _Rp result_type; |
| 203 }; |
| 204 |
| 205 template <class _Rp, class _A1, class _A2, class _A3> |
| 206 struct __weak_result_type<_Rp (&)(_A1, _A2, _A3)> |
| 207 { |
| 208 typedef _Rp result_type; |
| 209 }; |
| 210 |
| 211 template <class _Rp, class _A1, class _A2, class _A3> |
| 212 struct __weak_result_type<_Rp (*)(_A1, _A2, _A3)> |
| 213 { |
| 214 typedef _Rp result_type; |
| 215 }; |
| 216 |
| 217 template <class _Rp, class _Cp, class _A1, class _A2> |
| 218 struct __weak_result_type<_Rp (_Cp::*)(_A1, _A2)> |
| 219 { |
| 220 typedef _Rp result_type; |
| 221 }; |
| 222 |
| 223 template <class _Rp, class _Cp, class _A1, class _A2> |
| 224 struct __weak_result_type<_Rp (_Cp::*)(_A1, _A2) const> |
| 225 { |
| 226 typedef _Rp result_type; |
| 227 }; |
| 228 |
| 229 template <class _Rp, class _Cp, class _A1, class _A2> |
| 230 struct __weak_result_type<_Rp (_Cp::*)(_A1, _A2) volatile> |
| 231 { |
| 232 typedef _Rp result_type; |
| 233 }; |
| 234 |
| 235 // __invoke |
| 236 |
| 237 // __ref_return0 |
| 238 // |
| 239 // template <class _Tp, bool _HasResultType> |
| 240 // struct ________ref_return0 // _HasResultType is true |
| 241 // { |
| 242 // typedef typename _Tp::result_type type; |
| 243 // }; |
| 244 // |
| 245 // template <class _Tp> |
| 246 // struct ________ref_return0<_Tp, false> |
| 247 // { |
| 248 // typedef void type; |
| 249 // }; |
| 250 // |
| 251 // template <class _Tp, bool _IsClass> |
| 252 // struct ____ref_return0 // _IsClass is true |
| 253 // : public ________ref_return0<_Tp, __has_result_type<typename remove_cv<_T
p>::type>::value> |
| 254 // { |
| 255 // }; |
| 256 // |
| 257 // template <class _Tp, bool _HasResultType> |
| 258 // struct ______ref_return0 // _HasResultType is true |
| 259 // { |
| 260 // typedef typename __callable_type<_Tp>::result_type type; |
| 261 // }; |
| 262 // |
| 263 // template <class _Tp> |
| 264 // struct ______ref_return0<_Tp, false> // pointer to member data |
| 265 // { |
| 266 // typedef void type; |
| 267 // }; |
| 268 // |
| 269 // template <class _Tp> |
| 270 // struct ____ref_return0<_Tp, false> |
| 271 // : public ______ref_return0<typename remove_cv<_Tp>::type, |
| 272 // __has_result_type<__callable_type<typename remove_cv<_Tp>::t
ype> >::value> |
| 273 // { |
| 274 // }; |
| 275 // |
| 276 // template <class _Tp> |
| 277 // struct __ref_return0 |
| 278 // : public ____ref_return0<typename remove_reference<_Tp>::type, |
| 279 // is_class<typename remove_reference<_Tp>::type>::value> |
| 280 // { |
| 281 // }; |
| 282 // |
| 283 // __ref_return1 |
| 284 // |
| 285 // template <class _Tp, bool _IsClass, class _A0> |
| 286 // struct ____ref_return1 // _IsClass is true |
| 287 // { |
| 288 // typedef typename result_of<_Tp(_A0)>::type type; |
| 289 // }; |
| 290 // |
| 291 // template <class _Tp, bool _HasResultType, class _A0> |
| 292 // struct ______ref_return1 // _HasResultType is true |
| 293 // { |
| 294 // typedef typename __callable_type<_Tp>::result_type type; |
| 295 // }; |
| 296 // |
| 297 // template <class _Tp, class _A0, bool> |
| 298 // struct __ref_return1_member_data1; |
| 299 // |
| 300 // template <class _Rp, class _Cp, class _A0> |
| 301 // struct __ref_return1_member_data1<_Rp _Cp::*, _A0, true> |
| 302 // { |
| 303 // typedef typename __apply_cv<_A0, _Rp>::type& type; |
| 304 // }; |
| 305 // |
| 306 // template <class _Rp, class _Cp, class _A0> |
| 307 // struct __ref_return1_member_data1<_Rp _Cp::*, _A0, false> |
| 308 // { |
| 309 // static _A0 __a; |
| 310 // typedef typename __apply_cv<decltype(*__a), _Rp>::type& type; |
| 311 // }; |
| 312 // |
| 313 // template <class _Tp, class _A0> |
| 314 // struct __ref_return1_member_data; |
| 315 // |
| 316 // template <class _Rp, class _Cp, class _A0> |
| 317 // struct __ref_return1_member_data<_Rp _Cp::*, _A0> |
| 318 // : public __ref_return1_member_data1<_Rp _Cp::*, _A0, |
| 319 // is_same<typename remove_cv<_Cp>::type, |
| 320 // typename remove_cv<typename remove_reference<_A0>::ty
pe>::type>::value> |
| 321 // { |
| 322 // }; |
| 323 // |
| 324 // template <class _Tp, class _A0> |
| 325 // struct ______ref_return1<_Tp, false, _A0> // pointer to member data |
| 326 // : public __ref_return1_member_data<typename remove_cv<_Tp>::type, _A0> |
| 327 // { |
| 328 // }; |
| 329 // |
| 330 // template <class _Tp, class _A0> |
| 331 // struct ____ref_return1<_Tp, false, _A0> |
| 332 // : public ______ref_return1<typename remove_cv<_Tp>::type, |
| 333 // __has_result_type<__callable_type<typename remove_cv<_Tp>::t
ype> >::value, _A0> |
| 334 // { |
| 335 // }; |
| 336 // |
| 337 // template <class _Tp, class _A0> |
| 338 // struct __ref_return1 |
| 339 // : public ____ref_return1<typename remove_reference<_Tp>::type, |
| 340 // is_class<typename remove_reference<_Tp>::type>::value, _A0
> |
| 341 // { |
| 342 // }; |
| 343 // |
| 344 // __ref_return2 |
| 345 // |
| 346 // template <class _Tp, bool _IsClass, class _A0, class _A1> |
| 347 // struct ____ref_return2 // _IsClass is true |
| 348 // { |
| 349 // typedef typename result_of<_Tp(_A0, _A1)>::type type; |
| 350 // }; |
| 351 // |
| 352 // template <class _Tp, bool _HasResultType, class _A0, class _A1> |
| 353 // struct ______ref_return2 // _HasResultType is true |
| 354 // { |
| 355 // typedef typename __callable_type<_Tp>::result_type type; |
| 356 // }; |
| 357 // |
| 358 // template <class _Tp> |
| 359 // struct ______ref_return2<_Tp, false, class _A0, class _A1> // pointer to mem
ber data |
| 360 // { |
| 361 // static_assert(sizeof(_Tp) == 0, "An attempt has been made to `call` a poi
nter" |
| 362 // " to member data with too many arguments."); |
| 363 // }; |
| 364 // |
| 365 // template <class _Tp, class _A0, class _A1> |
| 366 // struct ____ref_return2<_Tp, false, _A0, _A1> |
| 367 // : public ______ref_return2<typename remove_cv<_Tp>::type, |
| 368 // __has_result_type<__callable_type<typename remove_cv<_Tp>::t
ype> >::value, _A0, _A1> |
| 369 // { |
| 370 // }; |
| 371 // |
| 372 // template <class _Tp, class _A0, class _A1> |
| 373 // struct __ref_return2 |
| 374 // : public ____ref_return2<typename remove_reference<_Tp>::type, |
| 375 // is_class<typename remove_reference<_Tp>::type>::value, _A0
, _A1> |
| 376 // { |
| 377 // }; |
| 378 // |
| 379 // __ref_return3 |
| 380 // |
| 381 // template <class _Tp, bool _IsClass, class _A0, class _A1, class _A2> |
| 382 // struct ____ref_return3 // _IsClass is true |
| 383 // { |
| 384 // typedef typename result_of<_Tp(_A0, _A1, _A2)>::type type; |
| 385 // }; |
| 386 // |
| 387 // template <class _Tp, bool _HasResultType, class _A0, class _A1, class _A2> |
| 388 // struct ______ref_return3 // _HasResultType is true |
| 389 // { |
| 390 // typedef typename __callable_type<_Tp>::result_type type; |
| 391 // }; |
| 392 // |
| 393 // template <class _Tp> |
| 394 // struct ______ref_return3<_Tp, false, class _A0, class _A1, class _A2> // poi
nter to member data |
| 395 // { |
| 396 // static_assert(sizeof(_Tp) == 0, "An attempt has been made to `call` a poi
nter" |
| 397 // " to member data with too many arguments."); |
| 398 // }; |
| 399 // |
| 400 // template <class _Tp, class _A0, class _A1, class _A2> |
| 401 // struct ____ref_return3<_Tp, false, _A0, _A1, _A2> |
| 402 // : public ______ref_return3<typename remove_cv<_Tp>::type, |
| 403 // __has_result_type<__callable_type<typename remove_cv<_Tp>::t
ype> >::value, _A0, _A1, _A2> |
| 404 // { |
| 405 // }; |
| 406 // |
| 407 // template <class _Tp, class _A0, class _A1, class _A2> |
| 408 // struct __ref_return3 |
| 409 // : public ____ref_return3<typename remove_reference<_Tp>::type, |
| 410 // is_class<typename remove_reference<_Tp>::type>::value, _A0
, _A1, _A2> |
| 411 // { |
| 412 // }; |
| 413 |
| 414 // first bullet |
| 415 |
| 416 template <class _Rp, class _Tp, class _T1> |
| 417 inline _LIBCPP_INLINE_VISIBILITY |
| 418 typename enable_if |
| 419 < |
| 420 is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 421 _Rp |
| 422 >::type |
| 423 __invoke(_Rp (_Tp::*__f)(), _T1& __t1) |
| 424 { |
| 425 return (__t1.*__f)(); |
| 426 } |
| 427 |
| 428 template <class _Rp, class _Tp, class _T1, class _A0> |
| 429 inline _LIBCPP_INLINE_VISIBILITY |
| 430 typename enable_if |
| 431 < |
| 432 is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 433 _Rp |
| 434 >::type |
| 435 __invoke(_Rp (_Tp::*__f)(_A0), _T1& __t1, _A0& __a0) |
| 436 { |
| 437 return (__t1.*__f)(__a0); |
| 438 } |
| 439 |
| 440 template <class _Rp, class _Tp, class _T1, class _A0, class _A1> |
| 441 inline _LIBCPP_INLINE_VISIBILITY |
| 442 typename enable_if |
| 443 < |
| 444 is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 445 _Rp |
| 446 >::type |
| 447 __invoke(_Rp (_Tp::*__f)(_A0, _A1), _T1& __t1, _A0& __a0, _A1& __a1) |
| 448 { |
| 449 return (__t1.*__f)(__a0, __a1); |
| 450 } |
| 451 |
| 452 template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2> |
| 453 inline _LIBCPP_INLINE_VISIBILITY |
| 454 typename enable_if |
| 455 < |
| 456 is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 457 _Rp |
| 458 >::type |
| 459 __invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2), _T1& __t1, _A0& __a0, _A1& __a1, _A2& _
_a2) |
| 460 { |
| 461 return (__t1.*__f)(__a0, __a1, __a2); |
| 462 } |
| 463 |
| 464 template <class _Rp, class _Tp, class _T1> |
| 465 inline _LIBCPP_INLINE_VISIBILITY |
| 466 typename enable_if |
| 467 < |
| 468 is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 469 _Rp |
| 470 >::type |
| 471 __invoke(_Rp (_Tp::*__f)() const, _T1& __t1) |
| 472 { |
| 473 return (__t1.*__f)(); |
| 474 } |
| 475 |
| 476 template <class _Rp, class _Tp, class _T1, class _A0> |
| 477 inline _LIBCPP_INLINE_VISIBILITY |
| 478 typename enable_if |
| 479 < |
| 480 is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 481 _Rp |
| 482 >::type |
| 483 __invoke(_Rp (_Tp::*__f)(_A0) const, _T1& __t1, _A0& __a0) |
| 484 { |
| 485 return (__t1.*__f)(__a0); |
| 486 } |
| 487 |
| 488 template <class _Rp, class _Tp, class _T1, class _A0, class _A1> |
| 489 inline _LIBCPP_INLINE_VISIBILITY |
| 490 typename enable_if |
| 491 < |
| 492 is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 493 _Rp |
| 494 >::type |
| 495 __invoke(_Rp (_Tp::*__f)(_A0, _A1) const, _T1& __t1, _A0& __a0, _A1& __a1) |
| 496 { |
| 497 return (__t1.*__f)(__a0, __a1); |
| 498 } |
| 499 |
| 500 template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2> |
| 501 inline _LIBCPP_INLINE_VISIBILITY |
| 502 typename enable_if |
| 503 < |
| 504 is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 505 _Rp |
| 506 >::type |
| 507 __invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) const, _T1& __t1, _A0& __a0, _A1& __a1,
_A2& __a2) |
| 508 { |
| 509 return (__t1.*__f)(__a0, __a1, __a2); |
| 510 } |
| 511 |
| 512 template <class _Rp, class _Tp, class _T1> |
| 513 inline _LIBCPP_INLINE_VISIBILITY |
| 514 typename enable_if |
| 515 < |
| 516 is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 517 _Rp |
| 518 >::type |
| 519 __invoke(_Rp (_Tp::*__f)() volatile, _T1& __t1) |
| 520 { |
| 521 return (__t1.*__f)(); |
| 522 } |
| 523 |
| 524 template <class _Rp, class _Tp, class _T1, class _A0> |
| 525 inline _LIBCPP_INLINE_VISIBILITY |
| 526 typename enable_if |
| 527 < |
| 528 is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 529 _Rp |
| 530 >::type |
| 531 __invoke(_Rp (_Tp::*__f)(_A0) volatile, _T1& __t1, _A0& __a0) |
| 532 { |
| 533 return (__t1.*__f)(__a0); |
| 534 } |
| 535 |
| 536 template <class _Rp, class _Tp, class _T1, class _A0, class _A1> |
| 537 inline _LIBCPP_INLINE_VISIBILITY |
| 538 typename enable_if |
| 539 < |
| 540 is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 541 _Rp |
| 542 >::type |
| 543 __invoke(_Rp (_Tp::*__f)(_A0, _A1) volatile, _T1& __t1, _A0& __a0, _A1& __a1) |
| 544 { |
| 545 return (__t1.*__f)(__a0, __a1); |
| 546 } |
| 547 |
| 548 template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2> |
| 549 inline _LIBCPP_INLINE_VISIBILITY |
| 550 typename enable_if |
| 551 < |
| 552 is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 553 _Rp |
| 554 >::type |
| 555 __invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) volatile, _T1& __t1, _A0& __a0, _A1& __a
1, _A2& __a2) |
| 556 { |
| 557 return (__t1.*__f)(__a0, __a1, __a2); |
| 558 } |
| 559 |
| 560 template <class _Rp, class _Tp, class _T1> |
| 561 inline _LIBCPP_INLINE_VISIBILITY |
| 562 typename enable_if |
| 563 < |
| 564 is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 565 _Rp |
| 566 >::type |
| 567 __invoke(_Rp (_Tp::*__f)() const volatile, _T1& __t1) |
| 568 { |
| 569 return (__t1.*__f)(); |
| 570 } |
| 571 |
| 572 template <class _Rp, class _Tp, class _T1, class _A0> |
| 573 inline _LIBCPP_INLINE_VISIBILITY |
| 574 typename enable_if |
| 575 < |
| 576 is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 577 _Rp |
| 578 >::type |
| 579 __invoke(_Rp (_Tp::*__f)(_A0) const volatile, _T1& __t1, _A0& __a0) |
| 580 { |
| 581 return (__t1.*__f)(__a0); |
| 582 } |
| 583 |
| 584 template <class _Rp, class _Tp, class _T1, class _A0, class _A1> |
| 585 inline _LIBCPP_INLINE_VISIBILITY |
| 586 typename enable_if |
| 587 < |
| 588 is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 589 _Rp |
| 590 >::type |
| 591 __invoke(_Rp (_Tp::*__f)(_A0, _A1) const volatile, _T1& __t1, _A0& __a0, _A1& __
a1) |
| 592 { |
| 593 return (__t1.*__f)(__a0, __a1); |
| 594 } |
| 595 |
| 596 template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2> |
| 597 inline _LIBCPP_INLINE_VISIBILITY |
| 598 typename enable_if |
| 599 < |
| 600 is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 601 _Rp |
| 602 >::type |
| 603 __invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) const volatile, _T1& __t1, _A0& __a0, _A
1& __a1, _A2& __a2) |
| 604 { |
| 605 return (__t1.*__f)(__a0, __a1, __a2); |
| 606 } |
| 607 |
| 608 // second bullet |
| 609 |
| 610 template <class _Rp, class _Tp, class _T1> |
| 611 inline _LIBCPP_INLINE_VISIBILITY |
| 612 typename enable_if |
| 613 < |
| 614 !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 615 _Rp |
| 616 >::type |
| 617 __invoke(_Rp (_Tp::*__f)(), _T1 __t1) |
| 618 { |
| 619 return ((*__t1).*__f)(); |
| 620 } |
| 621 |
| 622 template <class _Rp, class _Tp, class _T1, class _A0> |
| 623 inline _LIBCPP_INLINE_VISIBILITY |
| 624 typename enable_if |
| 625 < |
| 626 !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 627 _Rp |
| 628 >::type |
| 629 __invoke(_Rp (_Tp::*__f)(_A0), _T1 __t1, _A0& __a0) |
| 630 { |
| 631 return ((*__t1).*__f)(__a0); |
| 632 } |
| 633 |
| 634 template <class _Rp, class _Tp, class _T1, class _A0, class _A1> |
| 635 inline _LIBCPP_INLINE_VISIBILITY |
| 636 typename enable_if |
| 637 < |
| 638 !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 639 _Rp |
| 640 >::type |
| 641 __invoke(_Rp (_Tp::*__f)(_A0, _A1), _T1 __t1, _A0& __a0, _A1& __a1) |
| 642 { |
| 643 return ((*__t1).*__f)(__a0, __a1); |
| 644 } |
| 645 |
| 646 template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2> |
| 647 inline _LIBCPP_INLINE_VISIBILITY |
| 648 typename enable_if |
| 649 < |
| 650 !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 651 _Rp |
| 652 >::type |
| 653 __invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2), _T1 __t1, _A0& __a0, _A1& __a1, _A2& __
a2) |
| 654 { |
| 655 return ((*__t1).*__f)(__a0, __a1, __a2); |
| 656 } |
| 657 |
| 658 template <class _Rp, class _Tp, class _T1> |
| 659 inline _LIBCPP_INLINE_VISIBILITY |
| 660 typename enable_if |
| 661 < |
| 662 !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 663 _Rp |
| 664 >::type |
| 665 __invoke(_Rp (_Tp::*__f)() const, _T1 __t1) |
| 666 { |
| 667 return ((*__t1).*__f)(); |
| 668 } |
| 669 |
| 670 template <class _Rp, class _Tp, class _T1, class _A0> |
| 671 inline _LIBCPP_INLINE_VISIBILITY |
| 672 typename enable_if |
| 673 < |
| 674 !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 675 _Rp |
| 676 >::type |
| 677 __invoke(_Rp (_Tp::*__f)(_A0) const, _T1 __t1, _A0& __a0) |
| 678 { |
| 679 return ((*__t1).*__f)(__a0); |
| 680 } |
| 681 |
| 682 template <class _Rp, class _Tp, class _T1, class _A0, class _A1> |
| 683 inline _LIBCPP_INLINE_VISIBILITY |
| 684 typename enable_if |
| 685 < |
| 686 !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 687 _Rp |
| 688 >::type |
| 689 __invoke(_Rp (_Tp::*__f)(_A0, _A1) const, _T1 __t1, _A0& __a0, _A1& __a1) |
| 690 { |
| 691 return ((*__t1).*__f)(__a0, __a1); |
| 692 } |
| 693 |
| 694 template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2> |
| 695 inline _LIBCPP_INLINE_VISIBILITY |
| 696 typename enable_if |
| 697 < |
| 698 !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 699 _Rp |
| 700 >::type |
| 701 __invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) const, _T1 __t1, _A0& __a0, _A1& __a1, _
A2& __a2) |
| 702 { |
| 703 return ((*__t1).*__f)(__a0, __a1, __a2); |
| 704 } |
| 705 |
| 706 template <class _Rp, class _Tp, class _T1> |
| 707 inline _LIBCPP_INLINE_VISIBILITY |
| 708 typename enable_if |
| 709 < |
| 710 !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 711 _Rp |
| 712 >::type |
| 713 __invoke(_Rp (_Tp::*__f)() volatile, _T1 __t1) |
| 714 { |
| 715 return ((*__t1).*__f)(); |
| 716 } |
| 717 |
| 718 template <class _Rp, class _Tp, class _T1, class _A0> |
| 719 inline _LIBCPP_INLINE_VISIBILITY |
| 720 typename enable_if |
| 721 < |
| 722 !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 723 _Rp |
| 724 >::type |
| 725 __invoke(_Rp (_Tp::*__f)(_A0) volatile, _T1 __t1, _A0& __a0) |
| 726 { |
| 727 return ((*__t1).*__f)(__a0); |
| 728 } |
| 729 |
| 730 template <class _Rp, class _Tp, class _T1, class _A0, class _A1> |
| 731 inline _LIBCPP_INLINE_VISIBILITY |
| 732 typename enable_if |
| 733 < |
| 734 !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 735 _Rp |
| 736 >::type |
| 737 __invoke(_Rp (_Tp::*__f)(_A0, _A1) volatile, _T1 __t1, _A0& __a0, _A1& __a1) |
| 738 { |
| 739 return ((*__t1).*__f)(__a0, __a1); |
| 740 } |
| 741 |
| 742 template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2> |
| 743 inline _LIBCPP_INLINE_VISIBILITY |
| 744 typename enable_if |
| 745 < |
| 746 !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 747 _Rp |
| 748 >::type |
| 749 __invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) volatile, _T1 __t1, _A0& __a0, _A1& __a1
, _A2& __a2) |
| 750 { |
| 751 return ((*__t1).*__f)(__a0, __a1, __a2); |
| 752 } |
| 753 |
| 754 template <class _Rp, class _Tp, class _T1> |
| 755 inline _LIBCPP_INLINE_VISIBILITY |
| 756 typename enable_if |
| 757 < |
| 758 !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 759 _Rp |
| 760 >::type |
| 761 __invoke(_Rp (_Tp::*__f)() const volatile, _T1 __t1) |
| 762 { |
| 763 return ((*__t1).*__f)(); |
| 764 } |
| 765 |
| 766 template <class _Rp, class _Tp, class _T1, class _A0> |
| 767 inline _LIBCPP_INLINE_VISIBILITY |
| 768 typename enable_if |
| 769 < |
| 770 !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 771 _Rp |
| 772 >::type |
| 773 __invoke(_Rp (_Tp::*__f)(_A0) const volatile, _T1 __t1, _A0& __a0) |
| 774 { |
| 775 return ((*__t1).*__f)(__a0); |
| 776 } |
| 777 |
| 778 template <class _Rp, class _Tp, class _T1, class _A0, class _A1> |
| 779 inline _LIBCPP_INLINE_VISIBILITY |
| 780 typename enable_if |
| 781 < |
| 782 !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 783 _Rp |
| 784 >::type |
| 785 __invoke(_Rp (_Tp::*__f)(_A0, _A1) const volatile, _T1 __t1, _A0& __a0, _A1& __a
1) |
| 786 { |
| 787 return ((*__t1).*__f)(__a0, __a1); |
| 788 } |
| 789 |
| 790 template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2> |
| 791 inline _LIBCPP_INLINE_VISIBILITY |
| 792 typename enable_if |
| 793 < |
| 794 !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 795 _Rp |
| 796 >::type |
| 797 __invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) const volatile, _T1 __t1, _A0& __a0, _A1
& __a1, _A2& __a2) |
| 798 { |
| 799 return ((*__t1).*__f)(__a0, __a1, __a2); |
| 800 } |
| 801 |
| 802 // third bullet |
| 803 |
| 804 template <class _Rp, class _Tp, class _T1> |
| 805 inline _LIBCPP_INLINE_VISIBILITY |
| 806 typename enable_if |
| 807 < |
| 808 is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 809 typename __apply_cv<_T1, _Rp>::type& |
| 810 >::type |
| 811 __invoke(_Rp _Tp::* __f, _T1& __t1) |
| 812 { |
| 813 return __t1.*__f; |
| 814 } |
| 815 |
| 816 template <class _Rp, class _Tp> |
| 817 inline _LIBCPP_INLINE_VISIBILITY |
| 818 void |
| 819 __invoke(_Rp _Tp::*) |
| 820 { |
| 821 } |
| 822 |
| 823 // template <class _Dp, class _Rp, class _Tp, class _T1> |
| 824 // inline _LIBCPP_INLINE_VISIBILITY |
| 825 // typename enable_if |
| 826 // < |
| 827 // is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 828 // typename __ref_return1<_Rp _Tp::*, _T1>::type |
| 829 // >::type |
| 830 // __invoke(_Rp _Tp::* __f, _T1& __t1) |
| 831 // { |
| 832 // return __t1.*__f; |
| 833 // } |
| 834 |
| 835 // forth bullet |
| 836 |
| 837 template <class _T1, class _Rp, bool> |
| 838 struct __4th_helper |
| 839 { |
| 840 }; |
| 841 |
| 842 template <class _T1, class _Rp> |
| 843 struct __4th_helper<_T1, _Rp, true> |
| 844 { |
| 845 typedef typename __apply_cv<decltype(*_VSTD::declval<_T1>()), _Rp>::type typ
e; |
| 846 }; |
| 847 |
| 848 template <class _Rp, class _Tp, class _T1> |
| 849 inline _LIBCPP_INLINE_VISIBILITY |
| 850 typename __4th_helper<_T1, _Rp, |
| 851 !is_base_of<_Tp, |
| 852 typename remove_reference<_T1>::type |
| 853 >::value |
| 854 >::type& |
| 855 __invoke(_Rp _Tp::* __f, _T1& __t1) |
| 856 { |
| 857 return (*__t1).*__f; |
| 858 } |
| 859 |
| 860 // template <class _Dp, class _Rp, class _Tp, class _T1> |
| 861 // inline _LIBCPP_INLINE_VISIBILITY |
| 862 // typename enable_if |
| 863 // < |
| 864 // !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, |
| 865 // typename __ref_return1<_Rp _Tp::*, _T1>::type |
| 866 // >::type |
| 867 // __invoke(_Rp _Tp::* __f, _T1 __t1) |
| 868 // { |
| 869 // return (*__t1).*__f; |
| 870 // } |
| 871 |
| 872 // fifth bullet |
| 873 |
| 874 template <class _Fp> |
| 875 inline _LIBCPP_INLINE_VISIBILITY |
| 876 decltype(declval<_Fp>()()) |
| 877 __invoke(_Fp __f) |
| 878 { |
| 879 return __f(); |
| 880 } |
| 881 |
| 882 template <class _Fp, class _A0> |
| 883 inline _LIBCPP_INLINE_VISIBILITY |
| 884 decltype(declval<_Fp>()(declval<_A0&>())) |
| 885 __invoke(_Fp __f, _A0& __a0) |
| 886 { |
| 887 return __f(__a0); |
| 888 } |
| 889 |
| 890 template <class _Fp, class _A0, class _A1> |
| 891 inline _LIBCPP_INLINE_VISIBILITY |
| 892 decltype(declval<_Fp>()(declval<_A0&>(), declval<_A1&>())) |
| 893 __invoke(_Fp __f, _A0& __a0, _A1& __a1) |
| 894 { |
| 895 return __f(__a0, __a1); |
| 896 } |
| 897 |
| 898 template <class _Fp, class _A0, class _A1, class _A2> |
| 899 inline _LIBCPP_INLINE_VISIBILITY |
| 900 decltype(declval<_Fp>()(declval<_A0&>(), declval<_A1&>(), declval<_A2&>())) |
| 901 __invoke(_Fp __f, _A0& __a0, _A1& __a1, _A2& __a2) |
| 902 { |
| 903 return __f(__a0, __a1, __a2); |
| 904 } |
| 905 |
| 906 // template <class _Rp, class _Fp> |
| 907 // inline _LIBCPP_INLINE_VISIBILITY |
| 908 // _Rp |
| 909 // __invoke(_Fp& __f) |
| 910 // { |
| 911 // return __f(); |
| 912 // } |
| 913 // |
| 914 // template <class _Rp, class _Fp, class _A0> |
| 915 // inline _LIBCPP_INLINE_VISIBILITY |
| 916 // typename enable_if |
| 917 // < |
| 918 // !is_member_pointer<_Fp>::value, |
| 919 // _Rp |
| 920 // >::type |
| 921 // __invoke(_Fp& __f, _A0& __a0) |
| 922 // { |
| 923 // return __f(__a0); |
| 924 // } |
| 925 // |
| 926 // template <class _Rp, class _Fp, class _A0, class _A1> |
| 927 // inline _LIBCPP_INLINE_VISIBILITY |
| 928 // _Rp |
| 929 // __invoke(_Fp& __f, _A0& __a0, _A1& __a1) |
| 930 // { |
| 931 // return __f(__a0, __a1); |
| 932 // } |
| 933 // |
| 934 // template <class _Rp, class _Fp, class _A0, class _A1, class _A2> |
| 935 // inline _LIBCPP_INLINE_VISIBILITY |
| 936 // _Rp |
| 937 // __invoke(_Fp& __f, _A0& __a0, _A1& __a1, _A2& __a2) |
| 938 // { |
| 939 // return __f(__a0, __a1, __a2); |
| 940 // } |
| 941 |
| 942 template <class _Tp> |
| 943 struct __has_type |
| 944 { |
| 945 private: |
| 946 struct __two {char __lx; char __lxx;}; |
| 947 template <class _Up> static __two __test(...); |
| 948 template <class _Up> static char __test(typename _Up::type* = 0); |
| 949 public: |
| 950 static const bool value = sizeof(__test<_Tp>(0)) == 1; |
| 951 }; |
| 952 |
| 953 template <class _Fp, bool = __has_result_type<__weak_result_type<_Fp> >::value> |
| 954 struct __invoke_return |
| 955 { |
| 956 typedef typename __weak_result_type<_Fp>::result_type type; |
| 957 }; |
| 958 |
| 959 template <class _Fp> |
| 960 struct __invoke_return<_Fp, false> |
| 961 { |
| 962 typedef decltype(__invoke(_VSTD::declval<_Fp>())) type; |
| 963 }; |
| 964 |
| 965 template <class _Tp, class _A0> |
| 966 struct __invoke_return0 |
| 967 { |
| 968 typedef decltype(__invoke(_VSTD::declval<_Tp>(), _VSTD::declval<_A0>())) typ
e; |
| 969 }; |
| 970 |
| 971 template <class _Rp, class _Tp, class _A0> |
| 972 struct __invoke_return0<_Rp _Tp::*, _A0> |
| 973 { |
| 974 typedef typename __apply_cv<_A0, _Rp>::type& type; |
| 975 }; |
| 976 |
| 977 template <class _Rp, class _Tp, class _A0> |
| 978 struct __invoke_return0<_Rp _Tp::*, _A0*> |
| 979 { |
| 980 typedef typename __apply_cv<_A0, _Rp>::type& type; |
| 981 }; |
| 982 |
| 983 template <class _Tp, class _A0, class _A1> |
| 984 struct __invoke_return1 |
| 985 { |
| 986 typedef decltype(__invoke(_VSTD::declval<_Tp>(), _VSTD::declval<_A0>(), |
| 987 _VSTD::declval<_A1>())) type
; |
| 988 }; |
| 989 |
| 990 template <class _Tp, class _A0, class _A1, class _A2> |
| 991 struct __invoke_return2 |
| 992 { |
| 993 typedef decltype(__invoke(_VSTD::declval<_Tp>(), _VSTD::declval<_A0>(), |
| 994 _VSTD::declval<_A1>(), |
| 995 _VSTD::declval<_A2>())) type
; |
| 996 }; |
| 997 |
| 998 template <class _Tp> |
| 999 class _LIBCPP_TYPE_VIS_ONLY reference_wrapper |
| 1000 : public __weak_result_type<_Tp> |
| 1001 { |
| 1002 public: |
| 1003 // types |
| 1004 typedef _Tp type; |
| 1005 private: |
| 1006 type* __f_; |
| 1007 |
| 1008 public: |
| 1009 // construct/copy/destroy |
| 1010 _LIBCPP_INLINE_VISIBILITY reference_wrapper(type& __f) : __f_(&__f) {} |
| 1011 |
| 1012 // access |
| 1013 _LIBCPP_INLINE_VISIBILITY operator type& () const {return *__f_;} |
| 1014 _LIBCPP_INLINE_VISIBILITY type& get() const {return *__f_;} |
| 1015 |
| 1016 // invoke |
| 1017 |
| 1018 _LIBCPP_INLINE_VISIBILITY |
| 1019 typename __invoke_return<type&>::type |
| 1020 operator() () const |
| 1021 { |
| 1022 return __invoke(get()); |
| 1023 } |
| 1024 |
| 1025 template <class _A0> |
| 1026 _LIBCPP_INLINE_VISIBILITY |
| 1027 typename __invoke_return0<type&, _A0>::type |
| 1028 operator() (_A0& __a0) const |
| 1029 { |
| 1030 return __invoke(get(), __a0); |
| 1031 } |
| 1032 |
| 1033 template <class _A0, class _A1> |
| 1034 _LIBCPP_INLINE_VISIBILITY |
| 1035 typename __invoke_return1<type&, _A0, _A1>::type |
| 1036 operator() (_A0& __a0, _A1& __a1) const |
| 1037 { |
| 1038 return __invoke(get(), __a0, __a1); |
| 1039 } |
| 1040 |
| 1041 template <class _A0, class _A1, class _A2> |
| 1042 _LIBCPP_INLINE_VISIBILITY |
| 1043 typename __invoke_return2<type&, _A0, _A1, _A2>::type |
| 1044 operator() (_A0& __a0, _A1& __a1, _A2& __a2) const |
| 1045 { |
| 1046 return __invoke(get(), __a0, __a1, __a2); |
| 1047 } |
| 1048 }; |
| 1049 |
| 1050 template <class _Tp> struct ____is_reference_wrapper : public false_type {}; |
| 1051 template <class _Tp> struct ____is_reference_wrapper<reference_wrapper<_Tp> > :
public true_type {}; |
| 1052 template <class _Tp> struct __is_reference_wrapper |
| 1053 : public ____is_reference_wrapper<typename remove_cv<_Tp>::type> {}; |
| 1054 |
| 1055 template <class _Tp> |
| 1056 inline _LIBCPP_INLINE_VISIBILITY |
| 1057 reference_wrapper<_Tp> |
| 1058 ref(_Tp& __t) |
| 1059 { |
| 1060 return reference_wrapper<_Tp>(__t); |
| 1061 } |
| 1062 |
| 1063 template <class _Tp> |
| 1064 inline _LIBCPP_INLINE_VISIBILITY |
| 1065 reference_wrapper<_Tp> |
| 1066 ref(reference_wrapper<_Tp> __t) |
| 1067 { |
| 1068 return ref(__t.get()); |
| 1069 } |
| 1070 |
| 1071 template <class _Tp> |
| 1072 inline _LIBCPP_INLINE_VISIBILITY |
| 1073 reference_wrapper<const _Tp> |
| 1074 cref(const _Tp& __t) |
| 1075 { |
| 1076 return reference_wrapper<const _Tp>(__t); |
| 1077 } |
| 1078 |
| 1079 template <class _Tp> |
| 1080 inline _LIBCPP_INLINE_VISIBILITY |
| 1081 reference_wrapper<const _Tp> |
| 1082 cref(reference_wrapper<_Tp> __t) |
| 1083 { |
| 1084 return cref(__t.get()); |
| 1085 } |
| 1086 |
| 1087 #endif // _LIBCPP_FUNCTIONAL_BASE_03 |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 75213003:
Add libc++ and libc++abi to third-party. (Closed)
Base URL: https://src.chromium.org/chrome/trunk/src/