1 // Copyright (C) 1997-2020 Free Software Foundation, Inc. 2 // 3 // This file is part of the GNU ISO C++ Library. This library is free 4 // software; you can redistribute it and/or modify it under the 5 // terms of the GNU General Public License as published by the 6 // Free Software Foundation; either version 3, or (at your option) 7 // any later version. 8 9 // This library is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 14 // Under Section 7 of GPL version 3, you are granted additional 15 // permissions described in the GCC Runtime Library Exception, version 16 // 3.1, as published by the Free Software Foundation. 17 18 // You should have received a copy of the GNU General Public License and 19 // a copy of the GCC Runtime Library Exception along with this program; 20 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 21 // <http://www.gnu.org/licenses/>. 22 23 #define _GLIBCXX_USE_CXX11_ABI 1 24 #include <clocale> 25 #include <cstring> 26 #include <cstdlib> // For free. 27 #include <cctype> 28 #include <cwctype> // For towupper, etc. 29 #include <locale> 30 #include <ext/concurrence.h> 31 32 #if _GLIBCXX_USE_DUAL_ABI 33 // This file is compiled with the new std::string ABI so std::numpunct<char> 34 // refers to std::__cxx11::numpunct<char>. These declarations let us refer 35 // to the other facets instantiated with the old ABI. 36 # define _GLIBCXX_LOC_ID(mangled) extern std::locale::id mangled 37 _GLIBCXX_LOC_ID(_ZNSt8numpunctIcE2idE); 38 _GLIBCXX_LOC_ID(_ZNSt7collateIcE2idE); 39 _GLIBCXX_LOC_ID(_ZNSt8time_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE); 40 _GLIBCXX_LOC_ID(_ZNSt9money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE); 41 _GLIBCXX_LOC_ID(_ZNSt9money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE2idE); 42 _GLIBCXX_LOC_ID(_ZNSt10moneypunctIcLb0EE2idE); 43 _GLIBCXX_LOC_ID(_ZNSt10moneypunctIcLb1EE2idE); 44 _GLIBCXX_LOC_ID(_ZNSt8messagesIcE2idE); 45 # ifdef _GLIBCXX_USE_WCHAR_T 46 _GLIBCXX_LOC_ID(_ZNSt8numpunctIwE2idE); 47 _GLIBCXX_LOC_ID(_ZNSt7collateIwE2idE); 48 _GLIBCXX_LOC_ID(_ZNSt8time_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE); 49 _GLIBCXX_LOC_ID(_ZNSt9money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE); 50 _GLIBCXX_LOC_ID(_ZNSt9money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE2idE); 51 _GLIBCXX_LOC_ID(_ZNSt10moneypunctIwLb0EE2idE); 52 _GLIBCXX_LOC_ID(_ZNSt10moneypunctIwLb1EE2idE); 53 _GLIBCXX_LOC_ID(_ZNSt8messagesIwE2idE); 54 # endif 55 #endif 56 57 58 namespace 59 { 60 const int num_facets = _GLIBCXX_NUM_FACETS + _GLIBCXX_NUM_UNICODE_FACETS 61 + (_GLIBCXX_USE_DUAL_ABI ? _GLIBCXX_NUM_CXX11_FACETS : 0); 62 63 __gnu_cxx::__mutex& get_locale_mutex()64 get_locale_mutex() 65 { 66 static __gnu_cxx::__mutex locale_mutex; 67 return locale_mutex; 68 } 69 70 using namespace std; 71 72 typedef char fake_locale_Impl[sizeof(locale::_Impl)] 73 __attribute__ ((aligned(__alignof__(locale::_Impl)))); 74 fake_locale_Impl c_locale_impl; 75 76 typedef char fake_locale[sizeof(locale)] 77 __attribute__ ((aligned(__alignof__(locale)))); 78 fake_locale c_locale; 79 80 typedef char fake_name_vec[sizeof(char*)] 81 __attribute__ ((aligned(__alignof__(char*)))); 82 fake_name_vec name_vec[6 + _GLIBCXX_NUM_CATEGORIES]; 83 84 typedef char fake_names[sizeof(char[2])] 85 __attribute__ ((aligned(__alignof__(char[2])))); 86 fake_names name_c[6 + _GLIBCXX_NUM_CATEGORIES]; 87 88 typedef char fake_facet_vec[sizeof(locale::facet*)] 89 __attribute__ ((aligned(__alignof__(locale::facet*)))); 90 fake_facet_vec facet_vec[num_facets]; 91 92 typedef char fake_cache_vec[sizeof(locale::facet*)] 93 __attribute__ ((aligned(__alignof__(locale::facet*)))); 94 fake_cache_vec cache_vec[num_facets]; 95 96 typedef char fake_ctype_c[sizeof(std::ctype<char>)] 97 __attribute__ ((aligned(__alignof__(std::ctype<char>)))); 98 fake_ctype_c ctype_c; 99 100 typedef char fake_collate_c[sizeof(std::collate<char>)] 101 __attribute__ ((aligned(__alignof__(std::collate<char>)))); 102 fake_collate_c collate_c; 103 104 typedef char fake_numpunct_c[sizeof(numpunct<char>)] 105 __attribute__ ((aligned(__alignof__(numpunct<char>)))); 106 fake_numpunct_c numpunct_c; 107 108 typedef char fake_num_get_c[sizeof(num_get<char>)] 109 __attribute__ ((aligned(__alignof__(num_get<char>)))); 110 fake_num_get_c num_get_c; 111 112 typedef char fake_num_put_c[sizeof(num_put<char>)] 113 __attribute__ ((aligned(__alignof__(num_put<char>)))); 114 fake_num_put_c num_put_c; 115 116 typedef char fake_codecvt_c[sizeof(codecvt<char, char, mbstate_t>)] 117 __attribute__ ((aligned(__alignof__(codecvt<char, char, mbstate_t>)))); 118 fake_codecvt_c codecvt_c; 119 120 typedef char fake_moneypunct_c[sizeof(moneypunct<char, true>)] 121 __attribute__ ((aligned(__alignof__(moneypunct<char, true>)))); 122 fake_moneypunct_c moneypunct_ct; 123 fake_moneypunct_c moneypunct_cf; 124 125 typedef char fake_money_get_c[sizeof(money_get<char>)] 126 __attribute__ ((aligned(__alignof__(money_get<char>)))); 127 fake_money_get_c money_get_c; 128 129 typedef char fake_money_put_c[sizeof(money_put<char>)] 130 __attribute__ ((aligned(__alignof__(money_put<char>)))); 131 fake_money_put_c money_put_c; 132 133 typedef char fake_timepunct_c[sizeof(__timepunct<char>)] 134 __attribute__ ((aligned(__alignof__(__timepunct<char>)))); 135 fake_timepunct_c timepunct_c; 136 137 typedef char fake_time_get_c[sizeof(time_get<char>)] 138 __attribute__ ((aligned(__alignof__(time_get<char>)))); 139 fake_time_get_c time_get_c; 140 141 typedef char fake_time_put_c[sizeof(time_put<char>)] 142 __attribute__ ((aligned(__alignof__(time_put<char>)))); 143 fake_time_put_c time_put_c; 144 145 typedef char fake_messages_c[sizeof(messages<char>)] 146 __attribute__ ((aligned(__alignof__(messages<char>)))); 147 fake_messages_c messages_c; 148 149 #ifdef _GLIBCXX_USE_WCHAR_T 150 typedef char fake_wtype_w[sizeof(std::ctype<wchar_t>)] 151 __attribute__ ((aligned(__alignof__(std::ctype<wchar_t>)))); 152 fake_wtype_w ctype_w; 153 154 typedef char fake_wollate_w[sizeof(std::collate<wchar_t>)] 155 __attribute__ ((aligned(__alignof__(std::collate<wchar_t>)))); 156 fake_wollate_w collate_w; 157 158 typedef char fake_numpunct_w[sizeof(numpunct<wchar_t>)] 159 __attribute__ ((aligned(__alignof__(numpunct<wchar_t>)))); 160 fake_numpunct_w numpunct_w; 161 162 typedef char fake_num_get_w[sizeof(num_get<wchar_t>)] 163 __attribute__ ((aligned(__alignof__(num_get<wchar_t>)))); 164 fake_num_get_w num_get_w; 165 166 typedef char fake_num_put_w[sizeof(num_put<wchar_t>)] 167 __attribute__ ((aligned(__alignof__(num_put<wchar_t>)))); 168 fake_num_put_w num_put_w; 169 170 typedef char fake_wodecvt_w[sizeof(codecvt<wchar_t, char, mbstate_t>)] 171 __attribute__ ((aligned(__alignof__(codecvt<wchar_t, char, mbstate_t>)))); 172 fake_wodecvt_w codecvt_w; 173 174 typedef char fake_moneypunct_w[sizeof(moneypunct<wchar_t, true>)] 175 __attribute__ ((aligned(__alignof__(moneypunct<wchar_t, true>)))); 176 fake_moneypunct_w moneypunct_wt; 177 fake_moneypunct_w moneypunct_wf; 178 179 typedef char fake_money_get_w[sizeof(money_get<wchar_t>)] 180 __attribute__ ((aligned(__alignof__(money_get<wchar_t>)))); 181 fake_money_get_w money_get_w; 182 183 typedef char fake_money_put_w[sizeof(money_put<wchar_t>)] 184 __attribute__ ((aligned(__alignof__(money_put<wchar_t>)))); 185 fake_money_put_w money_put_w; 186 187 typedef char fake_timepunct_w[sizeof(__timepunct<wchar_t>)] 188 __attribute__ ((aligned(__alignof__(__timepunct<wchar_t>)))); 189 fake_timepunct_w timepunct_w; 190 191 typedef char fake_time_get_w[sizeof(time_get<wchar_t>)] 192 __attribute__ ((aligned(__alignof__(time_get<wchar_t>)))); 193 fake_time_get_w time_get_w; 194 195 typedef char fake_time_put_w[sizeof(time_put<wchar_t>)] 196 __attribute__ ((aligned(__alignof__(time_put<wchar_t>)))); 197 fake_time_put_w time_put_w; 198 199 typedef char fake_messages_w[sizeof(messages<wchar_t>)] 200 __attribute__ ((aligned(__alignof__(messages<wchar_t>)))); 201 fake_messages_w messages_w; 202 #endif 203 204 typedef char fake_codecvt_c16[sizeof(codecvt<char16_t, char, mbstate_t>)] 205 __attribute__ ((aligned(__alignof__(codecvt<char16_t, char, mbstate_t>)))); 206 fake_codecvt_c16 codecvt_c16; 207 208 typedef char fake_codecvt_c32[sizeof(codecvt<char32_t, char, mbstate_t>)] 209 __attribute__ ((aligned(__alignof__(codecvt<char32_t, char, mbstate_t>)))); 210 fake_codecvt_c32 codecvt_c32; 211 212 #ifdef _GLIBCXX_USE_CHAR8_T 213 typedef char fake_codecvt_c16_c8[sizeof(codecvt<char16_t, char8_t, mbstate_t>)] 214 __attribute__ ((aligned(__alignof__(codecvt<char16_t, char8_t, mbstate_t>)))); 215 fake_codecvt_c16_c8 codecvt_c16_c8; 216 217 typedef char fake_codecvt_c32_c8[sizeof(codecvt<char32_t, char8_t, mbstate_t>)] 218 __attribute__ ((aligned(__alignof__(codecvt<char32_t, char8_t, mbstate_t>)))); 219 fake_codecvt_c32_c8 codecvt_c32_c8; 220 #endif 221 222 // Storage for "C" locale caches. 223 typedef char fake_num_cache_c[sizeof(std::__numpunct_cache<char>)] 224 __attribute__ ((aligned(__alignof__(std::__numpunct_cache<char>)))); 225 fake_num_cache_c numpunct_cache_c; 226 227 typedef char fake_money_cache_c[sizeof(std::__moneypunct_cache<char, true>)] 228 __attribute__ ((aligned(__alignof__(std::__moneypunct_cache<char, true>)))); 229 fake_money_cache_c moneypunct_cache_ct; 230 fake_money_cache_c moneypunct_cache_cf; 231 232 typedef char fake_time_cache_c[sizeof(std::__timepunct_cache<char>)] 233 __attribute__ ((aligned(__alignof__(std::__timepunct_cache<char>)))); 234 fake_time_cache_c timepunct_cache_c; 235 236 #ifdef _GLIBCXX_USE_WCHAR_T 237 typedef char fake_num_cache_w[sizeof(std::__numpunct_cache<wchar_t>)] 238 __attribute__ ((aligned(__alignof__(std::__numpunct_cache<wchar_t>)))); 239 fake_num_cache_w numpunct_cache_w; 240 241 typedef char fake_money_cache_w[sizeof(std::__moneypunct_cache<wchar_t,true>)] 242 __attribute__ ((aligned(__alignof__(std::__moneypunct_cache<wchar_t,true>)))); 243 fake_money_cache_w moneypunct_cache_wt; 244 fake_money_cache_w moneypunct_cache_wf; 245 246 typedef char fake_time_cache_w[sizeof(std::__timepunct_cache<wchar_t>)] 247 __attribute__ ((aligned(__alignof__(std::__timepunct_cache<wchar_t>)))); 248 fake_time_cache_w timepunct_cache_w; 249 #endif 250 } // anonymous namespace 251 252 namespace std _GLIBCXX_VISIBILITY(default) 253 { 254 _GLIBCXX_BEGIN_NAMESPACE_VERSION 255 locale()256 locale::locale() throw() : _M_impl(0) 257 { 258 _S_initialize(); 259 260 // Checked locking to optimize the common case where _S_global 261 // still points to _S_classic (locale::_S_initialize_once()): 262 // - If they are the same, just increment the reference count and 263 // we are done. This effectively constructs a C locale object 264 // identical to the static c_locale. 265 // - Otherwise, _S_global can and may be destroyed due to 266 // locale::global() call on another thread, in which case we 267 // fall back to lock protected access to both _S_global and 268 // its reference count. 269 _M_impl = _S_global; 270 if (_M_impl != _S_classic) 271 { 272 __gnu_cxx::__scoped_lock sentry(get_locale_mutex()); 273 _S_global->_M_add_reference(); 274 _M_impl = _S_global; 275 } 276 } 277 278 locale global(const locale & __other)279 locale::global(const locale& __other) 280 { 281 _S_initialize(); 282 _Impl* __old; 283 { 284 __gnu_cxx::__scoped_lock sentry(get_locale_mutex()); 285 __old = _S_global; 286 if (__other._M_impl != _S_classic) 287 __other._M_impl->_M_add_reference(); 288 _S_global = __other._M_impl; 289 const string __other_name = __other.name(); 290 if (__other_name != "*") 291 setlocale(LC_ALL, __other_name.c_str()); 292 } 293 294 // Reference count sanity check: one reference removed for the 295 // subsition of __other locale, one added by return-by-value. Net 296 // difference: zero. When the returned locale object's destructor 297 // is called, then the reference count is decremented and possibly 298 // destroyed. 299 return locale(__old); 300 } 301 302 const locale& classic()303 locale::classic() 304 { 305 _S_initialize(); 306 return *(const locale*)c_locale; 307 } 308 309 void _S_initialize_once()310 locale::_S_initialize_once() throw() 311 { 312 // 2 references. 313 // One reference for _S_classic, one for _S_global 314 _S_classic = new (&c_locale_impl) _Impl(2); 315 _S_global = _S_classic; 316 new (&c_locale) locale(_S_classic); 317 } 318 319 void _S_initialize()320 locale::_S_initialize() 321 { 322 #ifdef __GTHREADS 323 if (__gthread_active_p()) 324 __gthread_once(&_S_once, _S_initialize_once); 325 #endif 326 if (!_S_classic) 327 _S_initialize_once(); 328 } 329 330 // Definitions for static const data members of locale::_Impl 331 const locale::id* const 332 locale::_Impl::_S_id_ctype[] = 333 { 334 &std::ctype<char>::id, 335 &codecvt<char, char, mbstate_t>::id, 336 #ifdef _GLIBCXX_USE_WCHAR_T 337 &std::ctype<wchar_t>::id, 338 &codecvt<wchar_t, char, mbstate_t>::id, 339 #endif 340 #if _GLIBCXX_NUM_UNICODE_FACETS != 0 341 &codecvt<char16_t, char, mbstate_t>::id, 342 &codecvt<char32_t, char, mbstate_t>::id, 343 #ifdef _GLIBCXX_USE_CHAR8_T 344 &codecvt<char16_t, char8_t, mbstate_t>::id, 345 &codecvt<char32_t, char8_t, mbstate_t>::id, 346 #endif 347 #endif 348 0 349 }; 350 351 const locale::id* const 352 locale::_Impl::_S_id_numeric[] = 353 { 354 &num_get<char>::id, 355 &num_put<char>::id, 356 &numpunct<char>::id, 357 #ifdef _GLIBCXX_USE_WCHAR_T 358 &num_get<wchar_t>::id, 359 &num_put<wchar_t>::id, 360 &numpunct<wchar_t>::id, 361 #endif 362 0 363 }; 364 365 const locale::id* const 366 locale::_Impl::_S_id_collate[] = 367 { 368 &std::collate<char>::id, 369 #ifdef _GLIBCXX_USE_WCHAR_T 370 &std::collate<wchar_t>::id, 371 #endif 372 0 373 }; 374 375 const locale::id* const 376 locale::_Impl::_S_id_time[] = 377 { 378 &__timepunct<char>::id, 379 &time_get<char>::id, 380 &time_put<char>::id, 381 #ifdef _GLIBCXX_USE_WCHAR_T 382 &__timepunct<wchar_t>::id, 383 &time_get<wchar_t>::id, 384 &time_put<wchar_t>::id, 385 #endif 386 0 387 }; 388 389 const locale::id* const 390 locale::_Impl::_S_id_monetary[] = 391 { 392 &money_get<char>::id, 393 &money_put<char>::id, 394 &moneypunct<char, false>::id, 395 &moneypunct<char, true >::id, 396 #ifdef _GLIBCXX_USE_WCHAR_T 397 &money_get<wchar_t>::id, 398 &money_put<wchar_t>::id, 399 &moneypunct<wchar_t, false>::id, 400 &moneypunct<wchar_t, true >::id, 401 #endif 402 0 403 }; 404 405 const locale::id* const 406 locale::_Impl::_S_id_messages[] = 407 { 408 &std::messages<char>::id, 409 #ifdef _GLIBCXX_USE_WCHAR_T 410 &std::messages<wchar_t>::id, 411 #endif 412 0 413 }; 414 415 const locale::id* const* const 416 locale::_Impl::_S_facet_categories[] = 417 { 418 // Order must match the decl order in class locale. 419 locale::_Impl::_S_id_ctype, 420 locale::_Impl::_S_id_numeric, 421 locale::_Impl::_S_id_collate, 422 locale::_Impl::_S_id_time, 423 locale::_Impl::_S_id_monetary, 424 locale::_Impl::_S_id_messages, 425 0 426 }; 427 428 #if _GLIBCXX_USE_DUAL_ABI 429 // Facets that are instantiated for both the COW and SSO std::string ABIs. 430 // The COW ABI version must come first, followed by its SSO twin. 431 const locale::id* const locale::_S_twinned_facets[] = { 432 &::_ZNSt8numpunctIcE2idE, 433 &numpunct<char>::id, 434 &::_ZNSt7collateIcE2idE, 435 &std::collate<char>::id, 436 &::_ZNSt8time_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE, 437 &time_get<char>::id, 438 &::_ZNSt9money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE, 439 &money_get<char>::id, 440 &::_ZNSt9money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE2idE, 441 &money_put<char>::id, 442 &::_ZNSt10moneypunctIcLb0EE2idE, 443 &moneypunct<char, false>::id, 444 &::_ZNSt10moneypunctIcLb1EE2idE, 445 &moneypunct<char, true >::id, 446 &::_ZNSt8messagesIcE2idE, 447 &std::messages<char>::id, 448 # ifdef _GLIBCXX_USE_WCHAR_T 449 &::_ZNSt8numpunctIwE2idE, 450 &numpunct<wchar_t>::id, 451 &::_ZNSt7collateIwE2idE, 452 &std::collate<wchar_t>::id, 453 &::_ZNSt8time_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE, 454 &time_get<wchar_t>::id, 455 &::_ZNSt9money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE, 456 &money_get<wchar_t>::id, 457 &::_ZNSt9money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE2idE, 458 &money_put<wchar_t>::id, 459 &::_ZNSt10moneypunctIwLb0EE2idE, 460 &moneypunct<wchar_t, false>::id, 461 &::_ZNSt10moneypunctIwLb1EE2idE, 462 &moneypunct<wchar_t, true >::id, 463 &::_ZNSt8messagesIwE2idE, 464 &std::messages<wchar_t>::id, 465 # endif 466 0, 0 467 }; 468 #endif 469 470 // Construct "C" _Impl. 471 locale::_Impl:: _Impl(size_t __refs)472 _Impl(size_t __refs) throw() 473 : _M_refcount(__refs), _M_facets(0), _M_facets_size(num_facets), 474 _M_caches(0), _M_names(0) 475 { 476 _M_facets = new (&facet_vec) const facet*[_M_facets_size](); 477 _M_caches = new (&cache_vec) const facet*[_M_facets_size](); 478 479 // Name the categories. 480 _M_names = new (&name_vec) char*[_S_categories_size](); 481 _M_names[0] = new (&name_c[0]) char[2]; 482 std::memcpy(_M_names[0], locale::facet::_S_get_c_name(), 2); 483 484 // This is needed as presently the C++ version of "C" locales 485 // != data in the underlying locale model for __timepunct, 486 // numpunct, and moneypunct. Also, the "C" locales must be 487 // constructed in a way such that they are pre-allocated. 488 // NB: Set locale::facets(ref) count to one so that each individual 489 // facet is not destroyed when the locale (and thus locale::_Impl) is 490 // destroyed. 491 _M_init_facet(new (&ctype_c) std::ctype<char>(0, false, 1)); 492 _M_init_facet(new (&codecvt_c) codecvt<char, char, mbstate_t>(1)); 493 494 typedef __numpunct_cache<char> num_cache_c; 495 num_cache_c* __npc = new (&numpunct_cache_c) num_cache_c(2); 496 _M_init_facet(new (&numpunct_c) numpunct<char>(__npc, 1)); 497 498 _M_init_facet(new (&num_get_c) num_get<char>(1)); 499 _M_init_facet(new (&num_put_c) num_put<char>(1)); 500 _M_init_facet(new (&collate_c) std::collate<char>(1)); 501 502 typedef __moneypunct_cache<char, false> money_cache_cf; 503 typedef __moneypunct_cache<char, true> money_cache_ct; 504 money_cache_cf* __mpcf = new (&moneypunct_cache_cf) money_cache_cf(2); 505 _M_init_facet(new (&moneypunct_cf) moneypunct<char, false>(__mpcf, 1)); 506 money_cache_ct* __mpct = new (&moneypunct_cache_ct) money_cache_ct(2); 507 _M_init_facet(new (&moneypunct_ct) moneypunct<char, true>(__mpct, 1)); 508 509 _M_init_facet(new (&money_get_c) money_get<char>(1)); 510 _M_init_facet(new (&money_put_c) money_put<char>(1)); 511 512 typedef __timepunct_cache<char> time_cache_c; 513 time_cache_c* __tpc = new (&timepunct_cache_c) time_cache_c(2); 514 _M_init_facet(new (&timepunct_c) __timepunct<char>(__tpc, 1)); 515 516 _M_init_facet(new (&time_get_c) time_get<char>(1)); 517 _M_init_facet(new (&time_put_c) time_put<char>(1)); 518 _M_init_facet(new (&messages_c) std::messages<char>(1)); 519 520 #ifdef _GLIBCXX_USE_WCHAR_T 521 _M_init_facet(new (&ctype_w) std::ctype<wchar_t>(1)); 522 _M_init_facet(new (&codecvt_w) codecvt<wchar_t, char, mbstate_t>(1)); 523 524 typedef __numpunct_cache<wchar_t> num_cache_w; 525 num_cache_w* __npw = new (&numpunct_cache_w) num_cache_w(2); 526 _M_init_facet(new (&numpunct_w) numpunct<wchar_t>(__npw, 1)); 527 528 _M_init_facet(new (&num_get_w) num_get<wchar_t>(1)); 529 _M_init_facet(new (&num_put_w) num_put<wchar_t>(1)); 530 _M_init_facet(new (&collate_w) std::collate<wchar_t>(1)); 531 532 typedef __moneypunct_cache<wchar_t, false> money_cache_wf; 533 typedef __moneypunct_cache<wchar_t, true> money_cache_wt; 534 money_cache_wf* __mpwf = new (&moneypunct_cache_wf) money_cache_wf(2); 535 _M_init_facet(new (&moneypunct_wf) moneypunct<wchar_t, false>(__mpwf, 1)); 536 money_cache_wt* __mpwt = new (&moneypunct_cache_wt) money_cache_wt(2); 537 _M_init_facet(new (&moneypunct_wt) moneypunct<wchar_t, true>(__mpwt, 1)); 538 539 _M_init_facet(new (&money_get_w) money_get<wchar_t>(1)); 540 _M_init_facet(new (&money_put_w) money_put<wchar_t>(1)); 541 542 typedef __timepunct_cache<wchar_t> time_cache_w; 543 time_cache_w* __tpw = new (&timepunct_cache_w) time_cache_w(2); 544 _M_init_facet(new (&timepunct_w) __timepunct<wchar_t>(__tpw, 1)); 545 546 _M_init_facet(new (&time_get_w) time_get<wchar_t>(1)); 547 _M_init_facet(new (&time_put_w) time_put<wchar_t>(1)); 548 _M_init_facet(new (&messages_w) std::messages<wchar_t>(1)); 549 #endif 550 551 #if _GLIBCXX_NUM_UNICODE_FACETS != 0 552 _M_init_facet(new (&codecvt_c16) codecvt<char16_t, char, mbstate_t>(1)); 553 _M_init_facet(new (&codecvt_c32) codecvt<char32_t, char, mbstate_t>(1)); 554 555 #ifdef _GLIBCXX_USE_CHAR8_T 556 _M_init_facet(new (&codecvt_c16_c8) codecvt<char16_t, char8_t, mbstate_t>(1)); 557 _M_init_facet(new (&codecvt_c32_c8) codecvt<char32_t, char8_t, mbstate_t>(1)); 558 #endif 559 560 #endif 561 562 #if _GLIBCXX_USE_DUAL_ABI 563 facet* extra[] = { __npc, __mpcf, __mpct 564 # ifdef _GLIBCXX_USE_WCHAR_T 565 , __npw, __mpwf, __mpwt 566 # endif 567 }; 568 569 _M_init_extra(extra); 570 #endif 571 572 // This locale is safe to pre-cache, after all the facets have 573 // been created and installed. 574 _M_caches[numpunct<char>::id._M_id()] = __npc; 575 _M_caches[moneypunct<char, false>::id._M_id()] = __mpcf; 576 _M_caches[moneypunct<char, true>::id._M_id()] = __mpct; 577 _M_caches[__timepunct<char>::id._M_id()] = __tpc; 578 #ifdef _GLIBCXX_USE_WCHAR_T 579 _M_caches[numpunct<wchar_t>::id._M_id()] = __npw; 580 _M_caches[moneypunct<wchar_t, false>::id._M_id()] = __mpwf; 581 _M_caches[moneypunct<wchar_t, true>::id._M_id()] = __mpwt; 582 _M_caches[__timepunct<wchar_t>::id._M_id()] = __tpw; 583 #endif 584 } 585 586 _GLIBCXX_END_NAMESPACE_VERSION 587 } // namespace 588