1 // Locale support -*- C++ -*- 2 3 // Copyright (C) 1997-2022 Free Software Foundation, Inc. 4 // 5 // This file is part of the GNU ISO C++ Library. This library is free 6 // software; you can redistribute it and/or modify it under the 7 // terms of the GNU General Public License as published by the 8 // Free Software Foundation; either version 3, or (at your option) 9 // any later version. 10 11 // This library is distributed in the hope that it will be useful, 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 // GNU General Public License for more details. 15 16 // Under Section 7 of GPL version 3, you are granted additional 17 // permissions described in the GCC Runtime Library Exception, version 18 // 3.1, as published by the Free Software Foundation. 19 20 // You should have received a copy of the GNU General Public License and 21 // a copy of the GCC Runtime Library Exception along with this program; 22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23 // <http://www.gnu.org/licenses/>. 24 25 /** @file bits/locale_facets.tcc 26 * This is an internal header file, included by other library headers. 27 * Do not attempt to use it directly. @headername{locale} 28 */ 29 30 #ifndef _LOCALE_FACETS_TCC 31 #define _LOCALE_FACETS_TCC 1 32 33 #pragma GCC system_header 34 35 namespace std _GLIBCXX_VISIBILITY(default) 36 { 37 _GLIBCXX_BEGIN_NAMESPACE_VERSION 38 39 // Routine to access a cache for the facet. If the cache didn't 40 // exist before, it gets constructed on the fly. 41 template<typename _Facet> 42 struct __use_cache 43 { 44 const _Facet* 45 operator() (const locale& __loc) const; 46 }; 47 48 // Specializations. 49 template<typename _CharT> 50 struct __use_cache<__numpunct_cache<_CharT> > 51 { 52 const __numpunct_cache<_CharT>* operator ()std::__use_cache53 operator() (const locale& __loc) const 54 { 55 const size_t __i = numpunct<_CharT>::id._M_id(); 56 const locale::facet** __caches = __loc._M_impl->_M_caches; 57 if (!__caches[__i]) 58 { 59 __numpunct_cache<_CharT>* __tmp = 0; 60 __try 61 { 62 __tmp = new __numpunct_cache<_CharT>; 63 __tmp->_M_cache(__loc); 64 } 65 __catch(...) 66 { 67 delete __tmp; 68 __throw_exception_again; 69 } 70 __loc._M_impl->_M_install_cache(__tmp, __i); 71 } 72 return static_cast<const __numpunct_cache<_CharT>*>(__caches[__i]); 73 } 74 }; 75 76 template<typename _CharT> 77 void _M_cache(const locale & __loc)78 __numpunct_cache<_CharT>::_M_cache(const locale& __loc) 79 { 80 const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc); 81 82 char* __grouping = 0; 83 _CharT* __truename = 0; 84 _CharT* __falsename = 0; 85 __try 86 { 87 const string& __g = __np.grouping(); 88 _M_grouping_size = __g.size(); 89 __grouping = new char[_M_grouping_size]; 90 __g.copy(__grouping, _M_grouping_size); 91 _M_use_grouping = (_M_grouping_size 92 && static_cast<signed char>(__grouping[0]) > 0 93 && (__grouping[0] 94 != __gnu_cxx::__numeric_traits<char>::__max)); 95 96 const basic_string<_CharT>& __tn = __np.truename(); 97 _M_truename_size = __tn.size(); 98 __truename = new _CharT[_M_truename_size]; 99 __tn.copy(__truename, _M_truename_size); 100 101 const basic_string<_CharT>& __fn = __np.falsename(); 102 _M_falsename_size = __fn.size(); 103 __falsename = new _CharT[_M_falsename_size]; 104 __fn.copy(__falsename, _M_falsename_size); 105 106 _M_decimal_point = __np.decimal_point(); 107 _M_thousands_sep = __np.thousands_sep(); 108 109 const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc); 110 __ct.widen(__num_base::_S_atoms_out, 111 __num_base::_S_atoms_out 112 + __num_base::_S_oend, _M_atoms_out); 113 __ct.widen(__num_base::_S_atoms_in, 114 __num_base::_S_atoms_in 115 + __num_base::_S_iend, _M_atoms_in); 116 117 _M_grouping = __grouping; 118 _M_truename = __truename; 119 _M_falsename = __falsename; 120 _M_allocated = true; 121 } 122 __catch(...) 123 { 124 delete [] __grouping; 125 delete [] __truename; 126 delete [] __falsename; 127 __throw_exception_again; 128 } 129 } 130 131 // Used by both numeric and monetary facets. 132 // Check to make sure that the __grouping_tmp string constructed in 133 // money_get or num_get matches the canonical grouping for a given 134 // locale. 135 // __grouping_tmp is parsed L to R 136 // 1,222,444 == __grouping_tmp of "\1\3\3" 137 // __grouping is parsed R to L 138 // 1,222,444 == __grouping of "\3" == "\3\3\3" 139 _GLIBCXX_PURE bool 140 __verify_grouping(const char* __grouping, size_t __grouping_size, 141 const string& __grouping_tmp) throw (); 142 143 _GLIBCXX_BEGIN_NAMESPACE_LDBL 144 145 template<typename _CharT, typename _InIter> 146 _GLIBCXX_DEFAULT_ABI_TAG 147 _InIter 148 num_get<_CharT, _InIter>:: _M_extract_float(_InIter __beg,_InIter __end,ios_base & __io,ios_base::iostate & __err,string & __xtrc) const149 _M_extract_float(_InIter __beg, _InIter __end, ios_base& __io, 150 ios_base::iostate& __err, string& __xtrc) const 151 { 152 typedef char_traits<_CharT> __traits_type; 153 typedef __numpunct_cache<_CharT> __cache_type; 154 __use_cache<__cache_type> __uc; 155 const locale& __loc = __io._M_getloc(); 156 const __cache_type* __lc = __uc(__loc); 157 const _CharT* __lit = __lc->_M_atoms_in; 158 char_type __c = char_type(); 159 160 // True if __beg becomes equal to __end. 161 bool __testeof = __beg == __end; 162 163 // First check for sign. 164 if (!__testeof) 165 { 166 __c = *__beg; 167 const bool __plus = __c == __lit[__num_base::_S_iplus]; 168 if ((__plus || __c == __lit[__num_base::_S_iminus]) 169 && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep) 170 && !(__c == __lc->_M_decimal_point)) 171 { 172 __xtrc += __plus ? '+' : '-'; 173 if (++__beg != __end) 174 __c = *__beg; 175 else 176 __testeof = true; 177 } 178 } 179 180 // Next, look for leading zeros. 181 bool __found_mantissa = false; 182 int __sep_pos = 0; 183 while (!__testeof) 184 { 185 if ((__lc->_M_use_grouping && __c == __lc->_M_thousands_sep) 186 || __c == __lc->_M_decimal_point) 187 break; 188 else if (__c == __lit[__num_base::_S_izero]) 189 { 190 if (!__found_mantissa) 191 { 192 __xtrc += '0'; 193 __found_mantissa = true; 194 } 195 ++__sep_pos; 196 197 if (++__beg != __end) 198 __c = *__beg; 199 else 200 __testeof = true; 201 } 202 else 203 break; 204 } 205 206 // Only need acceptable digits for floating point numbers. 207 bool __found_dec = false; 208 bool __found_sci = false; 209 string __found_grouping; 210 if (__lc->_M_use_grouping) 211 __found_grouping.reserve(32); 212 const char_type* __lit_zero = __lit + __num_base::_S_izero; 213 214 if (!__lc->_M_allocated) 215 // "C" locale 216 while (!__testeof) 217 { 218 const int __digit = _M_find(__lit_zero, 10, __c); 219 if (__digit != -1) 220 { 221 __xtrc += '0' + __digit; 222 __found_mantissa = true; 223 } 224 else if (__c == __lc->_M_decimal_point 225 && !__found_dec && !__found_sci) 226 { 227 __xtrc += '.'; 228 __found_dec = true; 229 } 230 else if ((__c == __lit[__num_base::_S_ie] 231 || __c == __lit[__num_base::_S_iE]) 232 && !__found_sci && __found_mantissa) 233 { 234 // Scientific notation. 235 __xtrc += 'e'; 236 __found_sci = true; 237 238 // Remove optional plus or minus sign, if they exist. 239 if (++__beg != __end) 240 { 241 __c = *__beg; 242 const bool __plus = __c == __lit[__num_base::_S_iplus]; 243 if (__plus || __c == __lit[__num_base::_S_iminus]) 244 __xtrc += __plus ? '+' : '-'; 245 else 246 continue; 247 } 248 else 249 { 250 __testeof = true; 251 break; 252 } 253 } 254 else 255 break; 256 257 if (++__beg != __end) 258 __c = *__beg; 259 else 260 __testeof = true; 261 } 262 else 263 while (!__testeof) 264 { 265 // According to 22.2.2.1.2, p8-9, first look for thousands_sep 266 // and decimal_point. 267 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep) 268 { 269 if (!__found_dec && !__found_sci) 270 { 271 // NB: Thousands separator at the beginning of a string 272 // is a no-no, as is two consecutive thousands separators. 273 if (__sep_pos) 274 { 275 __found_grouping += static_cast<char>(__sep_pos); 276 __sep_pos = 0; 277 } 278 else 279 { 280 // NB: __convert_to_v will not assign __v and will 281 // set the failbit. 282 __xtrc.clear(); 283 break; 284 } 285 } 286 else 287 break; 288 } 289 else if (__c == __lc->_M_decimal_point) 290 { 291 if (!__found_dec && !__found_sci) 292 { 293 // If no grouping chars are seen, no grouping check 294 // is applied. Therefore __found_grouping is adjusted 295 // only if decimal_point comes after some thousands_sep. 296 if (__found_grouping.size()) 297 __found_grouping += static_cast<char>(__sep_pos); 298 __xtrc += '.'; 299 __found_dec = true; 300 } 301 else 302 break; 303 } 304 else 305 { 306 const char_type* __q = 307 __traits_type::find(__lit_zero, 10, __c); 308 if (__q) 309 { 310 __xtrc += '0' + (__q - __lit_zero); 311 __found_mantissa = true; 312 ++__sep_pos; 313 } 314 else if ((__c == __lit[__num_base::_S_ie] 315 || __c == __lit[__num_base::_S_iE]) 316 && !__found_sci && __found_mantissa) 317 { 318 // Scientific notation. 319 if (__found_grouping.size() && !__found_dec) 320 __found_grouping += static_cast<char>(__sep_pos); 321 __xtrc += 'e'; 322 __found_sci = true; 323 324 // Remove optional plus or minus sign, if they exist. 325 if (++__beg != __end) 326 { 327 __c = *__beg; 328 const bool __plus = __c == __lit[__num_base::_S_iplus]; 329 if ((__plus || __c == __lit[__num_base::_S_iminus]) 330 && !(__lc->_M_use_grouping 331 && __c == __lc->_M_thousands_sep) 332 && !(__c == __lc->_M_decimal_point)) 333 __xtrc += __plus ? '+' : '-'; 334 else 335 continue; 336 } 337 else 338 { 339 __testeof = true; 340 break; 341 } 342 } 343 else 344 break; 345 } 346 347 if (++__beg != __end) 348 __c = *__beg; 349 else 350 __testeof = true; 351 } 352 353 // Digit grouping is checked. If grouping and found_grouping don't 354 // match, then get very very upset, and set failbit. 355 if (__found_grouping.size()) 356 { 357 // Add the ending grouping if a decimal or 'e'/'E' wasn't found. 358 if (!__found_dec && !__found_sci) 359 __found_grouping += static_cast<char>(__sep_pos); 360 361 if (!std::__verify_grouping(__lc->_M_grouping, 362 __lc->_M_grouping_size, 363 __found_grouping)) 364 __err = ios_base::failbit; 365 } 366 367 return __beg; 368 } 369 370 template<typename _CharT, typename _InIter> 371 template<typename _ValueT> 372 _GLIBCXX_DEFAULT_ABI_TAG 373 _InIter 374 num_get<_CharT, _InIter>:: _M_extract_int(_InIter __beg,_InIter __end,ios_base & __io,ios_base::iostate & __err,_ValueT & __v) const375 _M_extract_int(_InIter __beg, _InIter __end, ios_base& __io, 376 ios_base::iostate& __err, _ValueT& __v) const 377 { 378 typedef char_traits<_CharT> __traits_type; 379 using __gnu_cxx::__add_unsigned; 380 typedef typename __add_unsigned<_ValueT>::__type __unsigned_type; 381 typedef __numpunct_cache<_CharT> __cache_type; 382 __use_cache<__cache_type> __uc; 383 const locale& __loc = __io._M_getloc(); 384 const __cache_type* __lc = __uc(__loc); 385 const _CharT* __lit = __lc->_M_atoms_in; 386 char_type __c = char_type(); 387 388 // NB: Iff __basefield == 0, __base can change based on contents. 389 const ios_base::fmtflags __basefield = __io.flags() 390 & ios_base::basefield; 391 const bool __oct = __basefield == ios_base::oct; 392 int __base = __oct ? 8 : (__basefield == ios_base::hex ? 16 : 10); 393 394 // True if __beg becomes equal to __end. 395 bool __testeof = __beg == __end; 396 397 // First check for sign. 398 bool __negative = false; 399 if (!__testeof) 400 { 401 __c = *__beg; 402 __negative = __c == __lit[__num_base::_S_iminus]; 403 if ((__negative || __c == __lit[__num_base::_S_iplus]) 404 && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep) 405 && !(__c == __lc->_M_decimal_point)) 406 { 407 if (++__beg != __end) 408 __c = *__beg; 409 else 410 __testeof = true; 411 } 412 } 413 414 // Next, look for leading zeros and check required digits 415 // for base formats. 416 bool __found_zero = false; 417 int __sep_pos = 0; 418 while (!__testeof) 419 { 420 if ((__lc->_M_use_grouping && __c == __lc->_M_thousands_sep) 421 || __c == __lc->_M_decimal_point) 422 break; 423 else if (__c == __lit[__num_base::_S_izero] 424 && (!__found_zero || __base == 10)) 425 { 426 __found_zero = true; 427 ++__sep_pos; 428 if (__basefield == 0) 429 __base = 8; 430 if (__base == 8) 431 __sep_pos = 0; 432 } 433 else if (__found_zero 434 && (__c == __lit[__num_base::_S_ix] 435 || __c == __lit[__num_base::_S_iX])) 436 { 437 if (__basefield == 0) 438 __base = 16; 439 if (__base == 16) 440 { 441 __found_zero = false; 442 __sep_pos = 0; 443 } 444 else 445 break; 446 } 447 else 448 break; 449 450 if (++__beg != __end) 451 { 452 __c = *__beg; 453 if (!__found_zero) 454 break; 455 } 456 else 457 __testeof = true; 458 } 459 460 // At this point, base is determined. If not hex, only allow 461 // base digits as valid input. 462 const size_t __len = (__base == 16 ? __num_base::_S_iend 463 - __num_base::_S_izero : __base); 464 465 // Extract. 466 typedef __gnu_cxx::__numeric_traits<_ValueT> __num_traits; 467 string __found_grouping; 468 if (__lc->_M_use_grouping) 469 __found_grouping.reserve(32); 470 bool __testfail = false; 471 bool __testoverflow = false; 472 const __unsigned_type __max = 473 (__negative && __num_traits::__is_signed_val) 474 ? -static_cast<__unsigned_type>(__num_traits::__min) 475 : __num_traits::__max; 476 const __unsigned_type __smax = __max / __base; 477 __unsigned_type __result = 0; 478 int __digit = 0; 479 const char_type* __lit_zero = __lit + __num_base::_S_izero; 480 481 if (!__lc->_M_allocated) 482 // "C" locale 483 while (!__testeof) 484 { 485 __digit = _M_find(__lit_zero, __len, __c); 486 if (__digit == -1) 487 break; 488 489 if (__result > __smax) 490 __testoverflow = true; 491 else 492 { 493 __result *= __base; 494 __testoverflow |= __result > __max - __digit; 495 __result += __digit; 496 ++__sep_pos; 497 } 498 499 if (++__beg != __end) 500 __c = *__beg; 501 else 502 __testeof = true; 503 } 504 else 505 while (!__testeof) 506 { 507 // According to 22.2.2.1.2, p8-9, first look for thousands_sep 508 // and decimal_point. 509 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep) 510 { 511 // NB: Thousands separator at the beginning of a string 512 // is a no-no, as is two consecutive thousands separators. 513 if (__sep_pos) 514 { 515 __found_grouping += static_cast<char>(__sep_pos); 516 __sep_pos = 0; 517 } 518 else 519 { 520 __testfail = true; 521 break; 522 } 523 } 524 else if (__c == __lc->_M_decimal_point) 525 break; 526 else 527 { 528 const char_type* __q = 529 __traits_type::find(__lit_zero, __len, __c); 530 if (!__q) 531 break; 532 533 __digit = __q - __lit_zero; 534 if (__digit > 15) 535 __digit -= 6; 536 if (__result > __smax) 537 __testoverflow = true; 538 else 539 { 540 __result *= __base; 541 __testoverflow |= __result > __max - __digit; 542 __result += __digit; 543 ++__sep_pos; 544 } 545 } 546 547 if (++__beg != __end) 548 __c = *__beg; 549 else 550 __testeof = true; 551 } 552 553 // Digit grouping is checked. If grouping and found_grouping don't 554 // match, then get very very upset, and set failbit. 555 if (__found_grouping.size()) 556 { 557 // Add the ending grouping. 558 __found_grouping += static_cast<char>(__sep_pos); 559 560 if (!std::__verify_grouping(__lc->_M_grouping, 561 __lc->_M_grouping_size, 562 __found_grouping)) 563 __err = ios_base::failbit; 564 } 565 566 // _GLIBCXX_RESOLVE_LIB_DEFECTS 567 // 23. Num_get overflow result. 568 if ((!__sep_pos && !__found_zero && !__found_grouping.size()) 569 || __testfail) 570 { 571 __v = 0; 572 __err = ios_base::failbit; 573 } 574 else if (__testoverflow) 575 { 576 if (__negative && __num_traits::__is_signed_val) 577 __v = __num_traits::__min; 578 else 579 __v = __num_traits::__max; 580 __err = ios_base::failbit; 581 } 582 else 583 __v = __negative ? -__result : __result; 584 585 if (__testeof) 586 __err |= ios_base::eofbit; 587 return __beg; 588 } 589 590 // _GLIBCXX_RESOLVE_LIB_DEFECTS 591 // 17. Bad bool parsing 592 template<typename _CharT, typename _InIter> 593 _InIter 594 num_get<_CharT, _InIter>:: do_get(iter_type __beg,iter_type __end,ios_base & __io,ios_base::iostate & __err,bool & __v) const595 do_get(iter_type __beg, iter_type __end, ios_base& __io, 596 ios_base::iostate& __err, bool& __v) const 597 { 598 if (!(__io.flags() & ios_base::boolalpha)) 599 { 600 // Parse bool values as long. 601 // NB: We can't just call do_get(long) here, as it might 602 // refer to a derived class. 603 long __l = -1; 604 __beg = _M_extract_int(__beg, __end, __io, __err, __l); 605 if (__l == 0 || __l == 1) 606 __v = bool(__l); 607 else 608 { 609 // _GLIBCXX_RESOLVE_LIB_DEFECTS 610 // 23. Num_get overflow result. 611 __v = true; 612 __err = ios_base::failbit; 613 if (__beg == __end) 614 __err |= ios_base::eofbit; 615 } 616 } 617 else 618 { 619 // Parse bool values as alphanumeric. 620 typedef __numpunct_cache<_CharT> __cache_type; 621 __use_cache<__cache_type> __uc; 622 const locale& __loc = __io._M_getloc(); 623 const __cache_type* __lc = __uc(__loc); 624 625 bool __testf = true; 626 bool __testt = true; 627 bool __donef = __lc->_M_falsename_size == 0; 628 bool __donet = __lc->_M_truename_size == 0; 629 bool __testeof = false; 630 size_t __n = 0; 631 while (!__donef || !__donet) 632 { 633 if (__beg == __end) 634 { 635 __testeof = true; 636 break; 637 } 638 639 const char_type __c = *__beg; 640 641 if (!__donef) 642 __testf = __c == __lc->_M_falsename[__n]; 643 644 if (!__testf && __donet) 645 break; 646 647 if (!__donet) 648 __testt = __c == __lc->_M_truename[__n]; 649 650 if (!__testt && __donef) 651 break; 652 653 if (!__testt && !__testf) 654 break; 655 656 ++__n; 657 ++__beg; 658 659 __donef = !__testf || __n >= __lc->_M_falsename_size; 660 __donet = !__testt || __n >= __lc->_M_truename_size; 661 } 662 if (__testf && __n == __lc->_M_falsename_size && __n) 663 { 664 __v = false; 665 if (__testt && __n == __lc->_M_truename_size) 666 __err = ios_base::failbit; 667 else 668 __err = __testeof ? ios_base::eofbit : ios_base::goodbit; 669 } 670 else if (__testt && __n == __lc->_M_truename_size && __n) 671 { 672 __v = true; 673 __err = __testeof ? ios_base::eofbit : ios_base::goodbit; 674 } 675 else 676 { 677 // _GLIBCXX_RESOLVE_LIB_DEFECTS 678 // 23. Num_get overflow result. 679 __v = false; 680 __err = ios_base::failbit; 681 if (__testeof) 682 __err |= ios_base::eofbit; 683 } 684 } 685 return __beg; 686 } 687 688 template<typename _CharT, typename _InIter> 689 _InIter 690 num_get<_CharT, _InIter>:: do_get(iter_type __beg,iter_type __end,ios_base & __io,ios_base::iostate & __err,float & __v) const691 do_get(iter_type __beg, iter_type __end, ios_base& __io, 692 ios_base::iostate& __err, float& __v) const 693 { 694 string __xtrc; 695 __xtrc.reserve(32); 696 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc); 697 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale()); 698 if (__beg == __end) 699 __err |= ios_base::eofbit; 700 return __beg; 701 } 702 703 template<typename _CharT, typename _InIter> 704 _InIter 705 num_get<_CharT, _InIter>:: do_get(iter_type __beg,iter_type __end,ios_base & __io,ios_base::iostate & __err,double & __v) const706 do_get(iter_type __beg, iter_type __end, ios_base& __io, 707 ios_base::iostate& __err, double& __v) const 708 { 709 string __xtrc; 710 __xtrc.reserve(32); 711 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc); 712 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale()); 713 if (__beg == __end) 714 __err |= ios_base::eofbit; 715 return __beg; 716 } 717 718 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ 719 template<typename _CharT, typename _InIter> 720 _InIter 721 num_get<_CharT, _InIter>:: __do_get(iter_type __beg,iter_type __end,ios_base & __io,ios_base::iostate & __err,double & __v) const722 __do_get(iter_type __beg, iter_type __end, ios_base& __io, 723 ios_base::iostate& __err, double& __v) const 724 { 725 string __xtrc; 726 __xtrc.reserve(32); 727 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc); 728 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale()); 729 if (__beg == __end) 730 __err |= ios_base::eofbit; 731 return __beg; 732 } 733 #endif 734 735 template<typename _CharT, typename _InIter> 736 _InIter 737 num_get<_CharT, _InIter>:: do_get(iter_type __beg,iter_type __end,ios_base & __io,ios_base::iostate & __err,long double & __v) const738 do_get(iter_type __beg, iter_type __end, ios_base& __io, 739 ios_base::iostate& __err, long double& __v) const 740 { 741 string __xtrc; 742 __xtrc.reserve(32); 743 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc); 744 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale()); 745 if (__beg == __end) 746 __err |= ios_base::eofbit; 747 return __beg; 748 } 749 750 template<typename _CharT, typename _InIter> 751 _InIter 752 num_get<_CharT, _InIter>:: do_get(iter_type __beg,iter_type __end,ios_base & __io,ios_base::iostate & __err,void * & __v) const753 do_get(iter_type __beg, iter_type __end, ios_base& __io, 754 ios_base::iostate& __err, void*& __v) const 755 { 756 // Prepare for hex formatted input. 757 typedef ios_base::fmtflags fmtflags; 758 const fmtflags __fmt = __io.flags(); 759 __io.flags((__fmt & ~ios_base::basefield) | ios_base::hex); 760 761 typedef __gnu_cxx::__conditional_type<(sizeof(void*) 762 <= sizeof(unsigned long)), 763 unsigned long, unsigned long long>::__type _UIntPtrType; 764 765 _UIntPtrType __ul; 766 __beg = _M_extract_int(__beg, __end, __io, __err, __ul); 767 768 // Reset from hex formatted input. 769 __io.flags(__fmt); 770 771 __v = reinterpret_cast<void*>(__ul); 772 return __beg; 773 } 774 775 #if defined _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT \ 776 && defined __LONG_DOUBLE_IEEE128__ 777 template<typename _CharT, typename _InIter> 778 _InIter 779 num_get<_CharT, _InIter>:: __do_get(iter_type __beg,iter_type __end,ios_base & __io,ios_base::iostate & __err,__ibm128 & __v) const780 __do_get(iter_type __beg, iter_type __end, ios_base& __io, 781 ios_base::iostate& __err, __ibm128& __v) const 782 { 783 string __xtrc; 784 __xtrc.reserve(32); 785 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc); 786 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale()); 787 if (__beg == __end) 788 __err |= ios_base::eofbit; 789 return __beg; 790 } 791 #endif 792 793 // For use by integer and floating-point types after they have been 794 // converted into a char_type string. 795 template<typename _CharT, typename _OutIter> 796 void 797 num_put<_CharT, _OutIter>:: _M_pad(_CharT __fill,streamsize __w,ios_base & __io,_CharT * __new,const _CharT * __cs,int & __len) const798 _M_pad(_CharT __fill, streamsize __w, ios_base& __io, 799 _CharT* __new, const _CharT* __cs, int& __len) const 800 { 801 // [22.2.2.2.2] Stage 3. 802 // If necessary, pad. 803 __pad<_CharT, char_traits<_CharT> >::_S_pad(__io, __fill, __new, 804 __cs, __w, __len); 805 __len = static_cast<int>(__w); 806 } 807 808 _GLIBCXX_END_NAMESPACE_LDBL 809 810 template<typename _CharT, typename _ValueT> 811 int __int_to_char(_CharT * __bufend,_ValueT __v,const _CharT * __lit,ios_base::fmtflags __flags,bool __dec)812 __int_to_char(_CharT* __bufend, _ValueT __v, const _CharT* __lit, 813 ios_base::fmtflags __flags, bool __dec) 814 { 815 _CharT* __buf = __bufend; 816 if (__builtin_expect(__dec, true)) 817 { 818 // Decimal. 819 do 820 { 821 *--__buf = __lit[(__v % 10) + __num_base::_S_odigits]; 822 __v /= 10; 823 } 824 while (__v != 0); 825 } 826 else if ((__flags & ios_base::basefield) == ios_base::oct) 827 { 828 // Octal. 829 do 830 { 831 *--__buf = __lit[(__v & 0x7) + __num_base::_S_odigits]; 832 __v >>= 3; 833 } 834 while (__v != 0); 835 } 836 else 837 { 838 // Hex. 839 const bool __uppercase = __flags & ios_base::uppercase; 840 const int __case_offset = __uppercase ? __num_base::_S_oudigits 841 : __num_base::_S_odigits; 842 do 843 { 844 *--__buf = __lit[(__v & 0xf) + __case_offset]; 845 __v >>= 4; 846 } 847 while (__v != 0); 848 } 849 return __bufend - __buf; 850 } 851 852 _GLIBCXX_BEGIN_NAMESPACE_LDBL 853 854 template<typename _CharT, typename _OutIter> 855 void 856 num_put<_CharT, _OutIter>:: _M_group_int(const char * __grouping,size_t __grouping_size,_CharT __sep,ios_base &,_CharT * __new,_CharT * __cs,int & __len) const857 _M_group_int(const char* __grouping, size_t __grouping_size, _CharT __sep, 858 ios_base&, _CharT* __new, _CharT* __cs, int& __len) const 859 { 860 _CharT* __p = std::__add_grouping(__new, __sep, __grouping, 861 __grouping_size, __cs, __cs + __len); 862 __len = __p - __new; 863 } 864 865 template<typename _CharT, typename _OutIter> 866 template<typename _ValueT> 867 _OutIter 868 num_put<_CharT, _OutIter>:: _M_insert_int(_OutIter __s,ios_base & __io,_CharT __fill,_ValueT __v) const869 _M_insert_int(_OutIter __s, ios_base& __io, _CharT __fill, 870 _ValueT __v) const 871 { 872 using __gnu_cxx::__add_unsigned; 873 typedef typename __add_unsigned<_ValueT>::__type __unsigned_type; 874 typedef __numpunct_cache<_CharT> __cache_type; 875 __use_cache<__cache_type> __uc; 876 const locale& __loc = __io._M_getloc(); 877 const __cache_type* __lc = __uc(__loc); 878 const _CharT* __lit = __lc->_M_atoms_out; 879 const ios_base::fmtflags __flags = __io.flags(); 880 881 // Long enough to hold hex, dec, and octal representations. 882 const int __ilen = 5 * sizeof(_ValueT); 883 _CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) 884 * __ilen)); 885 886 // [22.2.2.2.2] Stage 1, numeric conversion to character. 887 // Result is returned right-justified in the buffer. 888 const ios_base::fmtflags __basefield = __flags & ios_base::basefield; 889 const bool __dec = (__basefield != ios_base::oct 890 && __basefield != ios_base::hex); 891 const __unsigned_type __u = ((__v > 0 || !__dec) 892 ? __unsigned_type(__v) 893 : -__unsigned_type(__v)); 894 int __len = __int_to_char(__cs + __ilen, __u, __lit, __flags, __dec); 895 __cs += __ilen - __len; 896 897 // Add grouping, if necessary. 898 if (__lc->_M_use_grouping) 899 { 900 // Grouping can add (almost) as many separators as the number 901 // of digits + space is reserved for numeric base or sign. 902 _CharT* __cs2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) 903 * (__len + 1) 904 * 2)); 905 _M_group_int(__lc->_M_grouping, __lc->_M_grouping_size, 906 __lc->_M_thousands_sep, __io, __cs2 + 2, __cs, __len); 907 __cs = __cs2 + 2; 908 } 909 910 // Complete Stage 1, prepend numeric base or sign. 911 if (__builtin_expect(__dec, true)) 912 { 913 // Decimal. 914 if (__v >= 0) 915 { 916 if (bool(__flags & ios_base::showpos) 917 && __gnu_cxx::__numeric_traits<_ValueT>::__is_signed_val) 918 *--__cs = __lit[__num_base::_S_oplus], ++__len; 919 } 920 else 921 *--__cs = __lit[__num_base::_S_ominus], ++__len; 922 } 923 else if (bool(__flags & ios_base::showbase) && __v) 924 { 925 if (__basefield == ios_base::oct) 926 *--__cs = __lit[__num_base::_S_odigits], ++__len; 927 else 928 { 929 // 'x' or 'X' 930 const bool __uppercase = __flags & ios_base::uppercase; 931 *--__cs = __lit[__num_base::_S_ox + __uppercase]; 932 // '0' 933 *--__cs = __lit[__num_base::_S_odigits]; 934 __len += 2; 935 } 936 } 937 938 // Pad. 939 const streamsize __w = __io.width(); 940 if (__w > static_cast<streamsize>(__len)) 941 { 942 _CharT* __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) 943 * __w)); 944 _M_pad(__fill, __w, __io, __cs3, __cs, __len); 945 __cs = __cs3; 946 } 947 __io.width(0); 948 949 // [22.2.2.2.2] Stage 4. 950 // Write resulting, fully-formatted string to output iterator. 951 return std::__write(__s, __cs, __len); 952 } 953 954 template<typename _CharT, typename _OutIter> 955 void 956 num_put<_CharT, _OutIter>:: _M_group_float(const char * __grouping,size_t __grouping_size,_CharT __sep,const _CharT * __p,_CharT * __new,_CharT * __cs,int & __len) const957 _M_group_float(const char* __grouping, size_t __grouping_size, 958 _CharT __sep, const _CharT* __p, _CharT* __new, 959 _CharT* __cs, int& __len) const 960 { 961 // _GLIBCXX_RESOLVE_LIB_DEFECTS 962 // 282. What types does numpunct grouping refer to? 963 // Add grouping, if necessary. 964 const int __declen = __p ? __p - __cs : __len; 965 _CharT* __p2 = std::__add_grouping(__new, __sep, __grouping, 966 __grouping_size, 967 __cs, __cs + __declen); 968 969 // Tack on decimal part. 970 int __newlen = __p2 - __new; 971 if (__p) 972 { 973 char_traits<_CharT>::copy(__p2, __p, __len - __declen); 974 __newlen += __len - __declen; 975 } 976 __len = __newlen; 977 } 978 979 // The following code uses vsnprintf (or vsprintf(), when 980 // _GLIBCXX_USE_C99_STDIO is not defined) to convert floating point 981 // values for insertion into a stream. An optimization would be to 982 // replace them with code that works directly on a wide buffer and 983 // then use __pad to do the padding. It would be good to replace 984 // them anyway to gain back the efficiency that C++ provides by 985 // knowing up front the type of the values to insert. Also, sprintf 986 // is dangerous since may lead to accidental buffer overruns. This 987 // implementation follows the C++ standard fairly directly as 988 // outlined in 22.2.2.2 [lib.locale.num.put] 989 template<typename _CharT, typename _OutIter> 990 template<typename _ValueT> 991 _OutIter 992 num_put<_CharT, _OutIter>:: _M_insert_float(_OutIter __s,ios_base & __io,_CharT __fill,char __mod,_ValueT __v) const993 _M_insert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod, 994 _ValueT __v) const 995 { 996 typedef __numpunct_cache<_CharT> __cache_type; 997 __use_cache<__cache_type> __uc; 998 const locale& __loc = __io._M_getloc(); 999 const __cache_type* __lc = __uc(__loc); 1000 1001 // Use default precision if out of range. 1002 const streamsize __prec = __io.precision() < 0 ? 6 : __io.precision(); 1003 1004 const int __max_digits = 1005 __gnu_cxx::__numeric_traits<_ValueT>::__digits10; 1006 1007 // [22.2.2.2.2] Stage 1, numeric conversion to character. 1008 int __len; 1009 // Long enough for the max format spec. 1010 char __fbuf[16]; 1011 __num_base::_S_format_float(__io, __fbuf, __mod); 1012 1013 #if _GLIBCXX_USE_C99_STDIO && !_GLIBCXX_HAVE_BROKEN_VSNPRINTF 1014 // Precision is always used except for hexfloat format. 1015 const bool __use_prec = 1016 (__io.flags() & ios_base::floatfield) != ios_base::floatfield; 1017 1018 // First try a buffer perhaps big enough (most probably sufficient 1019 // for non-ios_base::fixed outputs) 1020 int __cs_size = __max_digits * 3; 1021 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size)); 1022 if (__use_prec) 1023 __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size, 1024 __fbuf, __prec, __v); 1025 else 1026 __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size, 1027 __fbuf, __v); 1028 1029 // If the buffer was not large enough, try again with the correct size. 1030 if (__len >= __cs_size) 1031 { 1032 __cs_size = __len + 1; 1033 __cs = static_cast<char*>(__builtin_alloca(__cs_size)); 1034 if (__use_prec) 1035 __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size, 1036 __fbuf, __prec, __v); 1037 else 1038 __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size, 1039 __fbuf, __v); 1040 } 1041 #else 1042 // Consider the possibility of long ios_base::fixed outputs 1043 const bool __fixed = __io.flags() & ios_base::fixed; 1044 const int __max_exp = 1045 __gnu_cxx::__numeric_traits<_ValueT>::__max_exponent10; 1046 1047 // The size of the output string is computed as follows. 1048 // ios_base::fixed outputs may need up to __max_exp + 1 chars 1049 // for the integer part + __prec chars for the fractional part 1050 // + 3 chars for sign, decimal point, '\0'. On the other hand, 1051 // for non-fixed outputs __max_digits * 2 + __prec chars are 1052 // largely sufficient. 1053 const int __cs_size = __fixed ? __max_exp + __prec + 4 1054 : __max_digits * 2 + __prec; 1055 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size)); 1056 __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, __fbuf, 1057 __prec, __v); 1058 #endif 1059 1060 // [22.2.2.2.2] Stage 2, convert to char_type, using correct 1061 // numpunct.decimal_point() values for '.' and adding grouping. 1062 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); 1063 1064 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) 1065 * __len)); 1066 __ctype.widen(__cs, __cs + __len, __ws); 1067 1068 // Replace decimal point. 1069 _CharT* __wp = 0; 1070 const char* __p = char_traits<char>::find(__cs, __len, '.'); 1071 if (__p) 1072 { 1073 __wp = __ws + (__p - __cs); 1074 *__wp = __lc->_M_decimal_point; 1075 } 1076 1077 // Add grouping, if necessary. 1078 // N.B. Make sure to not group things like 2e20, i.e., no decimal 1079 // point, scientific notation. 1080 if (__lc->_M_use_grouping 1081 && (__wp || __len < 3 || (__cs[1] <= '9' && __cs[2] <= '9' 1082 && __cs[1] >= '0' && __cs[2] >= '0'))) 1083 { 1084 // Grouping can add (almost) as many separators as the 1085 // number of digits, but no more. 1086 _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) 1087 * __len * 2)); 1088 1089 streamsize __off = 0; 1090 if (__cs[0] == '-' || __cs[0] == '+') 1091 { 1092 __off = 1; 1093 __ws2[0] = __ws[0]; 1094 __len -= 1; 1095 } 1096 1097 _M_group_float(__lc->_M_grouping, __lc->_M_grouping_size, 1098 __lc->_M_thousands_sep, __wp, __ws2 + __off, 1099 __ws + __off, __len); 1100 __len += __off; 1101 1102 __ws = __ws2; 1103 } 1104 1105 // Pad. 1106 const streamsize __w = __io.width(); 1107 if (__w > static_cast<streamsize>(__len)) 1108 { 1109 _CharT* __ws3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) 1110 * __w)); 1111 _M_pad(__fill, __w, __io, __ws3, __ws, __len); 1112 __ws = __ws3; 1113 } 1114 __io.width(0); 1115 1116 // [22.2.2.2.2] Stage 4. 1117 // Write resulting, fully-formatted string to output iterator. 1118 return std::__write(__s, __ws, __len); 1119 } 1120 1121 template<typename _CharT, typename _OutIter> 1122 _OutIter 1123 num_put<_CharT, _OutIter>:: do_put(iter_type __s,ios_base & __io,char_type __fill,bool __v) const1124 do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const 1125 { 1126 const ios_base::fmtflags __flags = __io.flags(); 1127 if ((__flags & ios_base::boolalpha) == 0) 1128 { 1129 const long __l = __v; 1130 __s = _M_insert_int(__s, __io, __fill, __l); 1131 } 1132 else 1133 { 1134 typedef __numpunct_cache<_CharT> __cache_type; 1135 __use_cache<__cache_type> __uc; 1136 const locale& __loc = __io._M_getloc(); 1137 const __cache_type* __lc = __uc(__loc); 1138 1139 const _CharT* __name = __v ? __lc->_M_truename 1140 : __lc->_M_falsename; 1141 int __len = __v ? __lc->_M_truename_size 1142 : __lc->_M_falsename_size; 1143 1144 const streamsize __w = __io.width(); 1145 if (__w > static_cast<streamsize>(__len)) 1146 { 1147 const streamsize __plen = __w - __len; 1148 _CharT* __ps 1149 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) 1150 * __plen)); 1151 1152 char_traits<_CharT>::assign(__ps, __plen, __fill); 1153 __io.width(0); 1154 1155 if ((__flags & ios_base::adjustfield) == ios_base::left) 1156 { 1157 __s = std::__write(__s, __name, __len); 1158 __s = std::__write(__s, __ps, __plen); 1159 } 1160 else 1161 { 1162 __s = std::__write(__s, __ps, __plen); 1163 __s = std::__write(__s, __name, __len); 1164 } 1165 return __s; 1166 } 1167 __io.width(0); 1168 __s = std::__write(__s, __name, __len); 1169 } 1170 return __s; 1171 } 1172 1173 template<typename _CharT, typename _OutIter> 1174 _OutIter 1175 num_put<_CharT, _OutIter>:: do_put(iter_type __s,ios_base & __io,char_type __fill,double __v) const1176 do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const 1177 { return _M_insert_float(__s, __io, __fill, char(), __v); } 1178 1179 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ 1180 template<typename _CharT, typename _OutIter> 1181 _OutIter 1182 num_put<_CharT, _OutIter>:: __do_put(iter_type __s,ios_base & __io,char_type __fill,double __v) const1183 __do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const 1184 { return _M_insert_float(__s, __io, __fill, char(), __v); } 1185 #endif 1186 1187 template<typename _CharT, typename _OutIter> 1188 _OutIter 1189 num_put<_CharT, _OutIter>:: do_put(iter_type __s,ios_base & __io,char_type __fill,long double __v) const1190 do_put(iter_type __s, ios_base& __io, char_type __fill, 1191 long double __v) const 1192 { return _M_insert_float(__s, __io, __fill, 'L', __v); } 1193 1194 template<typename _CharT, typename _OutIter> 1195 _OutIter 1196 num_put<_CharT, _OutIter>:: do_put(iter_type __s,ios_base & __io,char_type __fill,const void * __v) const1197 do_put(iter_type __s, ios_base& __io, char_type __fill, 1198 const void* __v) const 1199 { 1200 const ios_base::fmtflags __flags = __io.flags(); 1201 const ios_base::fmtflags __fmt = ~(ios_base::basefield 1202 | ios_base::uppercase); 1203 __io.flags((__flags & __fmt) | (ios_base::hex | ios_base::showbase)); 1204 1205 typedef __gnu_cxx::__conditional_type<(sizeof(const void*) 1206 <= sizeof(unsigned long)), 1207 unsigned long, unsigned long long>::__type _UIntPtrType; 1208 1209 __s = _M_insert_int(__s, __io, __fill, 1210 reinterpret_cast<_UIntPtrType>(__v)); 1211 __io.flags(__flags); 1212 return __s; 1213 } 1214 1215 #if defined _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT \ 1216 && defined __LONG_DOUBLE_IEEE128__ 1217 template<typename _CharT, typename _OutIter> 1218 _OutIter 1219 num_put<_CharT, _OutIter>:: __do_put(iter_type __s,ios_base & __io,char_type __fill,__ibm128 __v) const1220 __do_put(iter_type __s, ios_base& __io, char_type __fill, 1221 __ibm128 __v) const 1222 { return _M_insert_float(__s, __io, __fill, 'L', __v); } 1223 #endif 1224 _GLIBCXX_END_NAMESPACE_LDBL 1225 1226 // Construct correctly padded string, as per 22.2.2.2.2 1227 // Assumes 1228 // __newlen > __oldlen 1229 // __news is allocated for __newlen size 1230 1231 // NB: Of the two parameters, _CharT can be deduced from the 1232 // function arguments. The other (_Traits) has to be explicitly specified. 1233 template<typename _CharT, typename _Traits> 1234 void _S_pad(ios_base & __io,_CharT __fill,_CharT * __news,const _CharT * __olds,streamsize __newlen,streamsize __oldlen)1235 __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill, 1236 _CharT* __news, const _CharT* __olds, 1237 streamsize __newlen, streamsize __oldlen) 1238 { 1239 const size_t __plen = static_cast<size_t>(__newlen - __oldlen); 1240 const ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield; 1241 1242 // Padding last. 1243 if (__adjust == ios_base::left) 1244 { 1245 _Traits::copy(__news, __olds, __oldlen); 1246 _Traits::assign(__news + __oldlen, __plen, __fill); 1247 return; 1248 } 1249 1250 size_t __mod = 0; 1251 if (__adjust == ios_base::internal) 1252 { 1253 // Pad after the sign, if there is one. 1254 // Pad after 0[xX], if there is one. 1255 // Who came up with these rules, anyway? Jeeze. 1256 const locale& __loc = __io._M_getloc(); 1257 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); 1258 1259 if (__ctype.widen('-') == __olds[0] 1260 || __ctype.widen('+') == __olds[0]) 1261 { 1262 __news[0] = __olds[0]; 1263 __mod = 1; 1264 ++__news; 1265 } 1266 else if (__ctype.widen('0') == __olds[0] 1267 && __oldlen > 1 1268 && (__ctype.widen('x') == __olds[1] 1269 || __ctype.widen('X') == __olds[1])) 1270 { 1271 __news[0] = __olds[0]; 1272 __news[1] = __olds[1]; 1273 __mod = 2; 1274 __news += 2; 1275 } 1276 // else Padding first. 1277 } 1278 _Traits::assign(__news, __plen, __fill); 1279 _Traits::copy(__news + __plen, __olds + __mod, __oldlen - __mod); 1280 } 1281 1282 template<typename _CharT> 1283 _CharT* __add_grouping(_CharT * __s,_CharT __sep,const char * __gbeg,size_t __gsize,const _CharT * __first,const _CharT * __last)1284 __add_grouping(_CharT* __s, _CharT __sep, 1285 const char* __gbeg, size_t __gsize, 1286 const _CharT* __first, const _CharT* __last) 1287 { 1288 size_t __idx = 0; 1289 size_t __ctr = 0; 1290 1291 while (__last - __first > __gbeg[__idx] 1292 && static_cast<signed char>(__gbeg[__idx]) > 0 1293 && __gbeg[__idx] != __gnu_cxx::__numeric_traits<char>::__max) 1294 { 1295 __last -= __gbeg[__idx]; 1296 __idx < __gsize - 1 ? ++__idx : ++__ctr; 1297 } 1298 1299 while (__first != __last) 1300 *__s++ = *__first++; 1301 1302 while (__ctr--) 1303 { 1304 *__s++ = __sep; 1305 for (char __i = __gbeg[__idx]; __i > 0; --__i) 1306 *__s++ = *__first++; 1307 } 1308 1309 while (__idx--) 1310 { 1311 *__s++ = __sep; 1312 for (char __i = __gbeg[__idx]; __i > 0; --__i) 1313 *__s++ = *__first++; 1314 } 1315 1316 return __s; 1317 } 1318 1319 // Inhibit implicit instantiations for required instantiations, 1320 // which are defined via explicit instantiations elsewhere. 1321 #if _GLIBCXX_EXTERN_TEMPLATE 1322 extern template class _GLIBCXX_NAMESPACE_CXX11 numpunct<char>; 1323 extern template class _GLIBCXX_NAMESPACE_CXX11 numpunct_byname<char>; 1324 extern template class _GLIBCXX_NAMESPACE_LDBL num_get<char>; 1325 extern template class _GLIBCXX_NAMESPACE_LDBL num_put<char>; 1326 extern template class ctype_byname<char>; 1327 1328 extern template 1329 const ctype<char>& 1330 use_facet<ctype<char> >(const locale&); 1331 1332 extern template 1333 const numpunct<char>& 1334 use_facet<numpunct<char> >(const locale&); 1335 1336 extern template 1337 const num_put<char>& 1338 use_facet<num_put<char> >(const locale&); 1339 1340 extern template 1341 const num_get<char>& 1342 use_facet<num_get<char> >(const locale&); 1343 1344 extern template 1345 bool 1346 has_facet<ctype<char> >(const locale&); 1347 1348 extern template 1349 bool 1350 has_facet<numpunct<char> >(const locale&); 1351 1352 extern template 1353 bool 1354 has_facet<num_put<char> >(const locale&); 1355 1356 extern template 1357 bool 1358 has_facet<num_get<char> >(const locale&); 1359 1360 #ifdef _GLIBCXX_USE_WCHAR_T 1361 extern template class _GLIBCXX_NAMESPACE_CXX11 numpunct<wchar_t>; 1362 extern template class _GLIBCXX_NAMESPACE_CXX11 numpunct_byname<wchar_t>; 1363 extern template class _GLIBCXX_NAMESPACE_LDBL num_get<wchar_t>; 1364 extern template class _GLIBCXX_NAMESPACE_LDBL num_put<wchar_t>; 1365 extern template class ctype_byname<wchar_t>; 1366 1367 extern template 1368 const ctype<wchar_t>& 1369 use_facet<ctype<wchar_t> >(const locale&); 1370 1371 extern template 1372 const numpunct<wchar_t>& 1373 use_facet<numpunct<wchar_t> >(const locale&); 1374 1375 extern template 1376 const num_put<wchar_t>& 1377 use_facet<num_put<wchar_t> >(const locale&); 1378 1379 extern template 1380 const num_get<wchar_t>& 1381 use_facet<num_get<wchar_t> >(const locale&); 1382 1383 extern template 1384 bool 1385 has_facet<ctype<wchar_t> >(const locale&); 1386 1387 extern template 1388 bool 1389 has_facet<numpunct<wchar_t> >(const locale&); 1390 1391 extern template 1392 bool 1393 has_facet<num_put<wchar_t> >(const locale&); 1394 1395 extern template 1396 bool 1397 has_facet<num_get<wchar_t> >(const locale&); 1398 #endif 1399 #endif 1400 1401 _GLIBCXX_END_NAMESPACE_VERSION 1402 } // namespace 1403 1404 #endif 1405