ios revision 249998
1251607Sdim// -*- C++ -*- 2251607Sdim//===---------------------------- ios -------------------------------------===// 3251607Sdim// 4251607Sdim// The LLVM Compiler Infrastructure 5251607Sdim// 6251607Sdim// This file is dual licensed under the MIT and the University of Illinois Open 7251607Sdim// Source Licenses. See LICENSE.TXT for details. 8251607Sdim// 9251607Sdim//===----------------------------------------------------------------------===// 10251607Sdim 11251607Sdim#ifndef _LIBCPP_IOS 12251607Sdim#define _LIBCPP_IOS 13251607Sdim 14251607Sdim/* 15251607Sdim ios synopsis 16251607Sdim 17251607Sdim#include <iosfwd> 18251607Sdim 19251607Sdimnamespace std 20251607Sdim{ 21251607Sdim 22251607Sdimtypedef OFF_T streamoff; 23251607Sdimtypedef SZ_T streamsize; 24251607Sdimtemplate <class stateT> class fpos; 25251607Sdim 26251607Sdimclass ios_base 27251607Sdim{ 28251607Sdimpublic: 29251607Sdim class failure; 30251607Sdim 31251607Sdim typedef T1 fmtflags; 32251607Sdim static constexpr fmtflags boolalpha; 33251607Sdim static constexpr fmtflags dec; 34251607Sdim static constexpr fmtflags fixed; 35251607Sdim static constexpr fmtflags hex; 36251607Sdim static constexpr fmtflags internal; 37251607Sdim static constexpr fmtflags left; 38251607Sdim static constexpr fmtflags oct; 39251607Sdim static constexpr fmtflags right; 40251607Sdim static constexpr fmtflags scientific; 41251607Sdim static constexpr fmtflags showbase; 42251607Sdim static constexpr fmtflags showpoint; 43251607Sdim static constexpr fmtflags showpos; 44251607Sdim static constexpr fmtflags skipws; 45251607Sdim static constexpr fmtflags unitbuf; 46251607Sdim static constexpr fmtflags uppercase; 47251607Sdim static constexpr fmtflags adjustfield; 48251607Sdim static constexpr fmtflags basefield; 49251607Sdim static constexpr fmtflags floatfield; 50251607Sdim 51251607Sdim typedef T2 iostate; 52251607Sdim static constexpr iostate badbit; 53251607Sdim static constexpr iostate eofbit; 54251607Sdim static constexpr iostate failbit; 55251607Sdim static constexpr iostate goodbit; 56251607Sdim 57251607Sdim typedef T3 openmode; 58251607Sdim static constexpr openmode app; 59251607Sdim static constexpr openmode ate; 60251607Sdim static constexpr openmode binary; 61251607Sdim static constexpr openmode in; 62251607Sdim static constexpr openmode out; 63251607Sdim static constexpr openmode trunc; 64251607Sdim 65251607Sdim typedef T4 seekdir; 66251607Sdim static constexpr seekdir beg; 67251607Sdim static constexpr seekdir cur; 68251607Sdim static constexpr seekdir end; 69251607Sdim 70251607Sdim class Init; 71251607Sdim 72251607Sdim // 27.5.2.2 fmtflags state: 73251607Sdim fmtflags flags() const; 74251607Sdim fmtflags flags(fmtflags fmtfl); 75251607Sdim fmtflags setf(fmtflags fmtfl); 76251607Sdim fmtflags setf(fmtflags fmtfl, fmtflags mask); 77251607Sdim void unsetf(fmtflags mask); 78251607Sdim 79251607Sdim streamsize precision() const; 80251607Sdim streamsize precision(streamsize prec); 81251607Sdim streamsize width() const; 82251607Sdim streamsize width(streamsize wide); 83251607Sdim 84251607Sdim // 27.5.2.3 locales: 85251607Sdim locale imbue(const locale& loc); 86251607Sdim locale getloc() const; 87251607Sdim 88251607Sdim // 27.5.2.5 storage: 89251607Sdim static int xalloc(); 90251607Sdim long& iword(int index); 91251607Sdim void*& pword(int index); 92251607Sdim 93251607Sdim // destructor 94251607Sdim virtual ~ios_base(); 95251607Sdim 96251607Sdim // 27.5.2.6 callbacks; 97251607Sdim enum event { erase_event, imbue_event, copyfmt_event }; 98251607Sdim typedef void (*event_callback)(event, ios_base&, int index); 99251607Sdim void register_callback(event_callback fn, int index); 100251607Sdim 101251607Sdim ios_base(const ios_base&) = delete; 102251607Sdim ios_base& operator=(const ios_base&) = delete; 103251607Sdim 104251607Sdim static bool sync_with_stdio(bool sync = true); 105251607Sdim 106251607Sdimprotected: 107251607Sdim ios_base(); 108251607Sdim}; 109251607Sdim 110251607Sdimtemplate <class charT, class traits = char_traits<charT> > 111251607Sdimclass basic_ios 112251607Sdim : public ios_base 113251607Sdim{ 114251607Sdimpublic: 115251607Sdim // types: 116251607Sdim typedef charT char_type; 117251607Sdim typedef typename traits::int_type int_type; 118251607Sdim typedef typename traits::pos_type pos_type; 119251607Sdim typedef typename traits::off_type off_type; 120251607Sdim typedef traits traits_type; 121251607Sdim 122251607Sdim operator unspecified-bool-type() const; 123251607Sdim bool operator!() const; 124251607Sdim iostate rdstate() const; 125251607Sdim void clear(iostate state = goodbit); 126251607Sdim void setstate(iostate state); 127251607Sdim bool good() const; 128251607Sdim bool eof() const; 129251607Sdim bool fail() const; 130251607Sdim bool bad() const; 131251607Sdim 132251607Sdim iostate exceptions() const; 133251607Sdim void exceptions(iostate except); 134251607Sdim 135251607Sdim // 27.5.4.1 Constructor/destructor: 136251607Sdim explicit basic_ios(basic_streambuf<charT,traits>* sb); 137251607Sdim virtual ~basic_ios(); 138251607Sdim 139251607Sdim // 27.5.4.2 Members: 140251607Sdim basic_ostream<charT,traits>* tie() const; 141251607Sdim basic_ostream<charT,traits>* tie(basic_ostream<charT,traits>* tiestr); 142251607Sdim 143251607Sdim basic_streambuf<charT,traits>* rdbuf() const; 144251607Sdim basic_streambuf<charT,traits>* rdbuf(basic_streambuf<charT,traits>* sb); 145263508Sdim 146251607Sdim basic_ios& copyfmt(const basic_ios& rhs); 147251607Sdim 148251607Sdim char_type fill() const; 149251607Sdim char_type fill(char_type ch); 150251607Sdim 151251607Sdim locale imbue(const locale& loc); 152251607Sdim 153251607Sdim char narrow(char_type c, char dfault) const; 154251607Sdim char_type widen(char c) const; 155251607Sdim 156251607Sdim basic_ios(const basic_ios& ) = delete; 157251607Sdim basic_ios& operator=(const basic_ios&) = delete; 158251607Sdim 159251607Sdimprotected: 160251607Sdim basic_ios(); 161251607Sdim void init(basic_streambuf<charT,traits>* sb); 162251607Sdim void move(basic_ios& rhs); 163251607Sdim void swap(basic_ios& rhs) noexcept; 164251607Sdim void set_rdbuf(basic_streambuf<charT, traits>* sb); 165251607Sdim}; 166251607Sdim 167251607Sdim// 27.5.5, manipulators: 168251607Sdimios_base& boolalpha (ios_base& str); 169251607Sdimios_base& noboolalpha(ios_base& str); 170251607Sdimios_base& showbase (ios_base& str); 171251607Sdimios_base& noshowbase (ios_base& str); 172251607Sdimios_base& showpoint (ios_base& str); 173251607Sdimios_base& noshowpoint(ios_base& str); 174251607Sdimios_base& showpos (ios_base& str); 175251607Sdimios_base& noshowpos (ios_base& str); 176251607Sdimios_base& skipws (ios_base& str); 177251607Sdimios_base& noskipws (ios_base& str); 178251607Sdimios_base& uppercase (ios_base& str); 179251607Sdimios_base& nouppercase(ios_base& str); 180251607Sdimios_base& unitbuf (ios_base& str); 181251607Sdimios_base& nounitbuf (ios_base& str); 182251607Sdim 183251607Sdim// 27.5.5.2 adjustfield: 184251607Sdimios_base& internal (ios_base& str); 185251607Sdimios_base& left (ios_base& str); 186251607Sdimios_base& right (ios_base& str); 187251607Sdim 188251607Sdim// 27.5.5.3 basefield: 189251607Sdimios_base& dec (ios_base& str); 190251607Sdimios_base& hex (ios_base& str); 191251607Sdimios_base& oct (ios_base& str); 192251607Sdim 193251607Sdim// 27.5.5.4 floatfield: 194251607Sdimios_base& fixed (ios_base& str); 195251607Sdimios_base& scientific (ios_base& str); 196251607Sdimios_base& hexfloat (ios_base& str); 197251607Sdimios_base& defaultfloat(ios_base& str); 198251607Sdim 199251607Sdim// 27.5.5.5 error reporting: 200251607Sdimenum class io_errc 201251607Sdim{ 202251607Sdim stream = 1 203251607Sdim}; 204251607Sdim 205251607Sdimconcept_map ErrorCodeEnum<io_errc> { }; 206251607Sdimerror_code make_error_code(io_errc e); 207251607Sdimerror_condition make_error_condition(io_errc e); 208251607Sdimstorage-class-specifier const error_category& iostream_category; 209251607Sdim 210251607Sdim} // std 211251607Sdim 212251607Sdim*/ 213251607Sdim 214251607Sdim#include <__config> 215251607Sdim#include <iosfwd> 216251607Sdim#include <__locale> 217251607Sdim#include <system_error> 218251607Sdim 219251607Sdim#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 220251607Sdim#pragma GCC system_header 221251607Sdim#endif 222251607Sdim 223251607Sdim_LIBCPP_BEGIN_NAMESPACE_STD 224251607Sdim 225251607Sdimtypedef ptrdiff_t streamsize; 226251607Sdim 227251607Sdimclass _LIBCPP_TYPE_VIS ios_base 228251607Sdim{ 229251607Sdimpublic: 230251607Sdim class _LIBCPP_TYPE_VIS failure; 231251607Sdim 232251607Sdim typedef unsigned int fmtflags; 233251607Sdim static const fmtflags boolalpha = 0x0001; 234251607Sdim static const fmtflags dec = 0x0002; 235251607Sdim static const fmtflags fixed = 0x0004; 236251607Sdim static const fmtflags hex = 0x0008; 237251607Sdim static const fmtflags internal = 0x0010; 238251607Sdim static const fmtflags left = 0x0020; 239251607Sdim static const fmtflags oct = 0x0040; 240251607Sdim static const fmtflags right = 0x0080; 241251607Sdim static const fmtflags scientific = 0x0100; 242251607Sdim static const fmtflags showbase = 0x0200; 243251607Sdim static const fmtflags showpoint = 0x0400; 244251607Sdim static const fmtflags showpos = 0x0800; 245251607Sdim static const fmtflags skipws = 0x1000; 246251607Sdim static const fmtflags unitbuf = 0x2000; 247251607Sdim static const fmtflags uppercase = 0x4000; 248251607Sdim static const fmtflags adjustfield = left | right | internal; 249251607Sdim static const fmtflags basefield = dec | oct | hex; 250251607Sdim static const fmtflags floatfield = scientific | fixed; 251251607Sdim 252251607Sdim typedef unsigned int iostate; 253251607Sdim typedef iostate io_state; 254251607Sdim static const iostate badbit = 0x1; 255251607Sdim static const iostate eofbit = 0x2; 256251607Sdim static const iostate failbit = 0x4; 257251607Sdim static const iostate goodbit = 0x0; 258251607Sdim 259251607Sdim typedef unsigned int openmode; 260251607Sdim typedef openmode open_mode; 261251607Sdim static const openmode app = 0x01; 262251607Sdim static const openmode ate = 0x02; 263251607Sdim static const openmode binary = 0x04; 264251607Sdim static const openmode in = 0x08; 265251607Sdim static const openmode out = 0x10; 266251607Sdim static const openmode trunc = 0x20; 267251607Sdim 268251607Sdim enum seekdir {beg, cur, end}; 269251607Sdim typedef seekdir seek_dir; 270251607Sdim 271251607Sdim typedef _VSTD::streamoff streamoff; 272251607Sdim typedef _VSTD::streampos streampos; 273251607Sdim 274251607Sdim class _LIBCPP_TYPE_VIS Init; 275251607Sdim 276251607Sdim // 27.5.2.2 fmtflags state: 277251607Sdim _LIBCPP_INLINE_VISIBILITY fmtflags flags() const; 278251607Sdim _LIBCPP_INLINE_VISIBILITY fmtflags flags(fmtflags __fmtfl); 279251607Sdim _LIBCPP_INLINE_VISIBILITY fmtflags setf(fmtflags __fmtfl); 280251607Sdim _LIBCPP_INLINE_VISIBILITY fmtflags setf(fmtflags __fmtfl, fmtflags __mask); 281251607Sdim _LIBCPP_INLINE_VISIBILITY void unsetf(fmtflags __mask); 282251607Sdim 283251607Sdim _LIBCPP_INLINE_VISIBILITY streamsize precision() const; 284251607Sdim _LIBCPP_INLINE_VISIBILITY streamsize precision(streamsize __prec); 285251607Sdim _LIBCPP_INLINE_VISIBILITY streamsize width() const; 286251607Sdim _LIBCPP_INLINE_VISIBILITY streamsize width(streamsize __wide); 287251607Sdim 288251607Sdim // 27.5.2.3 locales: 289251607Sdim locale imbue(const locale& __loc); 290251607Sdim locale getloc() const; 291251607Sdim 292251607Sdim // 27.5.2.5 storage: 293251607Sdim static int xalloc(); 294251607Sdim long& iword(int __index); 295251607Sdim void*& pword(int __index); 296251607Sdim 297251607Sdim // destructor 298251607Sdim virtual ~ios_base(); 299251607Sdim 300251607Sdim // 27.5.2.6 callbacks; 301251607Sdim enum event { erase_event, imbue_event, copyfmt_event }; 302251607Sdim typedef void (*event_callback)(event, ios_base&, int __index); 303251607Sdim void register_callback(event_callback __fn, int __index); 304251607Sdim 305251607Sdimprivate: 306251607Sdim ios_base(const ios_base&); // = delete; 307251607Sdim ios_base& operator=(const ios_base&); // = delete; 308251607Sdim 309251607Sdimpublic: 310251607Sdim static bool sync_with_stdio(bool __sync = true); 311251607Sdim 312251607Sdim _LIBCPP_INLINE_VISIBILITY iostate rdstate() const; 313251607Sdim void clear(iostate __state = goodbit); 314251607Sdim _LIBCPP_INLINE_VISIBILITY void setstate(iostate __state); 315251607Sdim 316251607Sdim _LIBCPP_INLINE_VISIBILITY bool good() const; 317251607Sdim _LIBCPP_INLINE_VISIBILITY bool eof() const; 318251607Sdim _LIBCPP_INLINE_VISIBILITY bool fail() const; 319251607Sdim _LIBCPP_INLINE_VISIBILITY bool bad() const; 320251607Sdim 321251607Sdim _LIBCPP_INLINE_VISIBILITY iostate exceptions() const; 322251607Sdim _LIBCPP_INLINE_VISIBILITY void exceptions(iostate __except); 323251607Sdim 324251607Sdim void __set_badbit_and_consider_rethrow(); 325251607Sdim void __set_failbit_and_consider_rethrow(); 326251607Sdim 327251607Sdimprotected: 328251607Sdim _LIBCPP_INLINE_VISIBILITY 329251607Sdim ios_base() {// purposefully does no initialization 330251607Sdim } 331251607Sdim 332251607Sdim void init(void* __sb); 333251607Sdim _LIBCPP_ALWAYS_INLINE void* rdbuf() const {return __rdbuf_;} 334251607Sdim 335251607Sdim _LIBCPP_ALWAYS_INLINE 336251607Sdim void rdbuf(void* __sb) 337251607Sdim { 338251607Sdim __rdbuf_ = __sb; 339251607Sdim clear(); 340251607Sdim } 341251607Sdim 342251607Sdim void __call_callbacks(event); 343251607Sdim void copyfmt(const ios_base&); 344251607Sdim void move(ios_base&); 345251607Sdim void swap(ios_base&) _NOEXCEPT; 346251607Sdim 347251607Sdim _LIBCPP_ALWAYS_INLINE 348251607Sdim void set_rdbuf(void* __sb) 349251607Sdim { 350251607Sdim __rdbuf_ = __sb; 351251607Sdim } 352251607Sdim 353251607Sdimprivate: 354251607Sdim // All data members must be scalars 355251607Sdim fmtflags __fmtflags_; 356251607Sdim streamsize __precision_; 357251607Sdim streamsize __width_; 358251607Sdim iostate __rdstate_; 359251607Sdim iostate __exceptions_; 360251607Sdim void* __rdbuf_; 361251607Sdim void* __loc_; 362251607Sdim event_callback* __fn_; 363251607Sdim int* __index_; 364251607Sdim size_t __event_size_; 365251607Sdim size_t __event_cap_; 366251607Sdim static int __xindex_; 367251607Sdim long* __iarray_; 368251607Sdim size_t __iarray_size_; 369251607Sdim size_t __iarray_cap_; 370251607Sdim void** __parray_; 371251607Sdim size_t __parray_size_; 372251607Sdim size_t __parray_cap_; 373251607Sdim}; 374251607Sdim 375251607Sdim//enum class io_errc 376251607Sdim_LIBCPP_DECLARE_STRONG_ENUM(io_errc) 377251607Sdim{ 378251607Sdim stream = 1 379251607Sdim}; 380251607Sdim_LIBCPP_DECLARE_STRONG_ENUM_EPILOG(io_errc) 381251607Sdim 382251607Sdimtemplate <> 383251607Sdimstruct _LIBCPP_TYPE_VIS is_error_code_enum<io_errc> : public true_type { }; 384251607Sdim 385251607Sdim#ifdef _LIBCPP_HAS_NO_STRONG_ENUMS 386251607Sdimtemplate <> 387263508Sdimstruct _LIBCPP_TYPE_VIS is_error_code_enum<io_errc::__lx> : public true_type { }; 388251607Sdim#endif 389251607Sdim 390251607Sdim_LIBCPP_FUNC_VIS 391251607Sdimconst error_category& iostream_category(); 392251607Sdim 393251607Sdiminline _LIBCPP_INLINE_VISIBILITY 394251607Sdimerror_code 395251607Sdimmake_error_code(io_errc __e) 396251607Sdim{ 397251607Sdim return error_code(static_cast<int>(__e), iostream_category()); 398251607Sdim} 399251607Sdim 400251607Sdiminline _LIBCPP_INLINE_VISIBILITY 401251607Sdimerror_condition 402251607Sdimmake_error_condition(io_errc __e) 403251607Sdim{ 404251607Sdim return error_condition(static_cast<int>(__e), iostream_category()); 405251607Sdim} 406251607Sdim 407251607Sdimclass _LIBCPP_EXCEPTION_ABI ios_base::failure 408251607Sdim : public system_error 409251607Sdim{ 410251607Sdimpublic: 411251607Sdim explicit failure(const string& __msg, const error_code& __ec = io_errc::stream); 412251607Sdim explicit failure(const char* __msg, const error_code& __ec = io_errc::stream); 413251607Sdim virtual ~failure() throw(); 414251607Sdim}; 415251607Sdim 416251607Sdimclass _LIBCPP_TYPE_VIS ios_base::Init 417251607Sdim{ 418251607Sdimpublic: 419251607Sdim Init(); 420251607Sdim ~Init(); 421251607Sdim}; 422251607Sdim 423251607Sdim// fmtflags 424251607Sdim 425251607Sdiminline _LIBCPP_INLINE_VISIBILITY 426251607Sdimios_base::fmtflags 427251607Sdimios_base::flags() const 428251607Sdim{ 429251607Sdim return __fmtflags_; 430251607Sdim} 431251607Sdim 432251607Sdiminline _LIBCPP_INLINE_VISIBILITY 433251607Sdimios_base::fmtflags 434251607Sdimios_base::flags(fmtflags __fmtfl) 435251607Sdim{ 436251607Sdim fmtflags __r = __fmtflags_; 437 __fmtflags_ = __fmtfl; 438 return __r; 439} 440 441inline _LIBCPP_INLINE_VISIBILITY 442ios_base::fmtflags 443ios_base::setf(fmtflags __fmtfl) 444{ 445 fmtflags __r = __fmtflags_; 446 __fmtflags_ |= __fmtfl; 447 return __r; 448} 449 450inline _LIBCPP_INLINE_VISIBILITY 451void 452ios_base::unsetf(fmtflags __mask) 453{ 454 __fmtflags_ &= ~__mask; 455} 456 457inline _LIBCPP_INLINE_VISIBILITY 458ios_base::fmtflags 459ios_base::setf(fmtflags __fmtfl, fmtflags __mask) 460{ 461 fmtflags __r = __fmtflags_; 462 unsetf(__mask); 463 __fmtflags_ |= __fmtfl & __mask; 464 return __r; 465} 466 467// precision 468 469inline _LIBCPP_INLINE_VISIBILITY 470streamsize 471ios_base::precision() const 472{ 473 return __precision_; 474} 475 476inline _LIBCPP_INLINE_VISIBILITY 477streamsize 478ios_base::precision(streamsize __prec) 479{ 480 streamsize __r = __precision_; 481 __precision_ = __prec; 482 return __r; 483} 484 485// width 486 487inline _LIBCPP_INLINE_VISIBILITY 488streamsize 489ios_base::width() const 490{ 491 return __width_; 492} 493 494inline _LIBCPP_INLINE_VISIBILITY 495streamsize 496ios_base::width(streamsize __wide) 497{ 498 streamsize __r = __width_; 499 __width_ = __wide; 500 return __r; 501} 502 503// iostate 504 505inline _LIBCPP_INLINE_VISIBILITY 506ios_base::iostate 507ios_base::rdstate() const 508{ 509 return __rdstate_; 510} 511 512inline _LIBCPP_INLINE_VISIBILITY 513void 514ios_base::setstate(iostate __state) 515{ 516 clear(__rdstate_ | __state); 517} 518 519inline _LIBCPP_INLINE_VISIBILITY 520bool 521ios_base::good() const 522{ 523 return __rdstate_ == 0; 524} 525 526inline _LIBCPP_INLINE_VISIBILITY 527bool 528ios_base::eof() const 529{ 530 return __rdstate_ & eofbit; 531} 532 533inline _LIBCPP_INLINE_VISIBILITY 534bool 535ios_base::fail() const 536{ 537 return __rdstate_ & (failbit | badbit); 538} 539 540inline _LIBCPP_INLINE_VISIBILITY 541bool 542ios_base::bad() const 543{ 544 return __rdstate_ & badbit; 545} 546 547inline _LIBCPP_INLINE_VISIBILITY 548ios_base::iostate 549ios_base::exceptions() const 550{ 551 return __exceptions_; 552} 553 554inline _LIBCPP_INLINE_VISIBILITY 555void 556ios_base::exceptions(iostate __except) 557{ 558 __exceptions_ = __except; 559 clear(__rdstate_); 560} 561 562template <class _CharT, class _Traits> 563class _LIBCPP_TYPE_VIS basic_ios 564 : public ios_base 565{ 566public: 567 // types: 568 typedef _CharT char_type; 569 typedef _Traits traits_type; 570 571 typedef typename traits_type::int_type int_type; 572 typedef typename traits_type::pos_type pos_type; 573 typedef typename traits_type::off_type off_type; 574 575 _LIBCPP_ALWAYS_INLINE 576 _LIBCPP_EXPLICIT 577 operator bool() const {return !fail();} 578 _LIBCPP_ALWAYS_INLINE bool operator!() const {return fail();} 579 _LIBCPP_ALWAYS_INLINE iostate rdstate() const {return ios_base::rdstate();} 580 _LIBCPP_ALWAYS_INLINE void clear(iostate __state = goodbit) {ios_base::clear(__state);} 581 _LIBCPP_ALWAYS_INLINE void setstate(iostate __state) {ios_base::setstate(__state);} 582 _LIBCPP_ALWAYS_INLINE bool good() const {return ios_base::good();} 583 _LIBCPP_ALWAYS_INLINE bool eof() const {return ios_base::eof();} 584 _LIBCPP_ALWAYS_INLINE bool fail() const {return ios_base::fail();} 585 _LIBCPP_ALWAYS_INLINE bool bad() const {return ios_base::bad();} 586 587 _LIBCPP_ALWAYS_INLINE iostate exceptions() const {return ios_base::exceptions();} 588 _LIBCPP_ALWAYS_INLINE void exceptions(iostate __except) {ios_base::exceptions(__except);} 589 590 // 27.5.4.1 Constructor/destructor: 591 _LIBCPP_INLINE_VISIBILITY 592 explicit basic_ios(basic_streambuf<char_type,traits_type>* __sb); 593 virtual ~basic_ios(); 594 595 // 27.5.4.2 Members: 596 _LIBCPP_INLINE_VISIBILITY 597 basic_ostream<char_type, traits_type>* tie() const; 598 _LIBCPP_INLINE_VISIBILITY 599 basic_ostream<char_type, traits_type>* tie(basic_ostream<char_type, traits_type>* __tiestr); 600 601 _LIBCPP_INLINE_VISIBILITY 602 basic_streambuf<char_type, traits_type>* rdbuf() const; 603 _LIBCPP_INLINE_VISIBILITY 604 basic_streambuf<char_type, traits_type>* rdbuf(basic_streambuf<char_type, traits_type>* __sb); 605 606 basic_ios& copyfmt(const basic_ios& __rhs); 607 608 _LIBCPP_INLINE_VISIBILITY 609 char_type fill() const; 610 _LIBCPP_INLINE_VISIBILITY 611 char_type fill(char_type __ch); 612 613 _LIBCPP_INLINE_VISIBILITY 614 locale imbue(const locale& __loc); 615 616 _LIBCPP_INLINE_VISIBILITY 617 char narrow(char_type __c, char __dfault) const; 618 _LIBCPP_INLINE_VISIBILITY 619 char_type widen(char __c) const; 620 621protected: 622 _LIBCPP_ALWAYS_INLINE 623 basic_ios() {// purposefully does no initialization 624 } 625 _LIBCPP_INLINE_VISIBILITY 626 void init(basic_streambuf<char_type, traits_type>* __sb); 627 628 _LIBCPP_INLINE_VISIBILITY 629 void move(basic_ios& __rhs); 630#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 631 _LIBCPP_ALWAYS_INLINE 632 void move(basic_ios&& __rhs) {move(__rhs);} 633#endif 634 _LIBCPP_INLINE_VISIBILITY 635 void swap(basic_ios& __rhs) _NOEXCEPT; 636 _LIBCPP_INLINE_VISIBILITY 637 void set_rdbuf(basic_streambuf<char_type, traits_type>* __sb); 638private: 639 basic_ostream<char_type, traits_type>* __tie_; 640 mutable int_type __fill_; 641}; 642 643template <class _CharT, class _Traits> 644inline _LIBCPP_INLINE_VISIBILITY 645basic_ios<_CharT, _Traits>::basic_ios(basic_streambuf<char_type,traits_type>* __sb) 646{ 647 init(__sb); 648} 649 650template <class _CharT, class _Traits> 651basic_ios<_CharT, _Traits>::~basic_ios() 652{ 653} 654 655template <class _CharT, class _Traits> 656inline _LIBCPP_INLINE_VISIBILITY 657void 658basic_ios<_CharT, _Traits>::init(basic_streambuf<char_type, traits_type>* __sb) 659{ 660 ios_base::init(__sb); 661 __tie_ = 0; 662 __fill_ = traits_type::eof(); 663} 664 665template <class _CharT, class _Traits> 666inline _LIBCPP_INLINE_VISIBILITY 667basic_ostream<_CharT, _Traits>* 668basic_ios<_CharT, _Traits>::tie() const 669{ 670 return __tie_; 671} 672 673template <class _CharT, class _Traits> 674inline _LIBCPP_INLINE_VISIBILITY 675basic_ostream<_CharT, _Traits>* 676basic_ios<_CharT, _Traits>::tie(basic_ostream<char_type, traits_type>* __tiestr) 677{ 678 basic_ostream<char_type, traits_type>* __r = __tie_; 679 __tie_ = __tiestr; 680 return __r; 681} 682 683template <class _CharT, class _Traits> 684inline _LIBCPP_INLINE_VISIBILITY 685basic_streambuf<_CharT, _Traits>* 686basic_ios<_CharT, _Traits>::rdbuf() const 687{ 688 return static_cast<basic_streambuf<char_type, traits_type>*>(ios_base::rdbuf()); 689} 690 691template <class _CharT, class _Traits> 692inline _LIBCPP_INLINE_VISIBILITY 693basic_streambuf<_CharT, _Traits>* 694basic_ios<_CharT, _Traits>::rdbuf(basic_streambuf<char_type, traits_type>* __sb) 695{ 696 basic_streambuf<char_type, traits_type>* __r = rdbuf(); 697 ios_base::rdbuf(__sb); 698 return __r; 699} 700 701template <class _CharT, class _Traits> 702inline _LIBCPP_INLINE_VISIBILITY 703locale 704basic_ios<_CharT, _Traits>::imbue(const locale& __loc) 705{ 706 locale __r = getloc(); 707 ios_base::imbue(__loc); 708 if (rdbuf()) 709 rdbuf()->pubimbue(__loc); 710 return __r; 711} 712 713template <class _CharT, class _Traits> 714inline _LIBCPP_INLINE_VISIBILITY 715char 716basic_ios<_CharT, _Traits>::narrow(char_type __c, char __dfault) const 717{ 718 return use_facet<ctype<char_type> >(getloc()).narrow(__c, __dfault); 719} 720 721template <class _CharT, class _Traits> 722inline _LIBCPP_INLINE_VISIBILITY 723_CharT 724basic_ios<_CharT, _Traits>::widen(char __c) const 725{ 726 return use_facet<ctype<char_type> >(getloc()).widen(__c); 727} 728 729template <class _CharT, class _Traits> 730inline _LIBCPP_INLINE_VISIBILITY 731_CharT 732basic_ios<_CharT, _Traits>::fill() const 733{ 734 if (traits_type::eq_int_type(traits_type::eof(), __fill_)) 735 __fill_ = widen(' '); 736 return __fill_; 737} 738 739template <class _CharT, class _Traits> 740inline _LIBCPP_INLINE_VISIBILITY 741_CharT 742basic_ios<_CharT, _Traits>::fill(char_type __ch) 743{ 744 char_type __r = __fill_; 745 __fill_ = __ch; 746 return __r; 747} 748 749template <class _CharT, class _Traits> 750basic_ios<_CharT, _Traits>& 751basic_ios<_CharT, _Traits>::copyfmt(const basic_ios& __rhs) 752{ 753 if (this != &__rhs) 754 { 755 __call_callbacks(erase_event); 756 ios_base::copyfmt(__rhs); 757 __tie_ = __rhs.__tie_; 758 __fill_ = __rhs.__fill_; 759 __call_callbacks(copyfmt_event); 760 exceptions(__rhs.exceptions()); 761 } 762 return *this; 763} 764 765template <class _CharT, class _Traits> 766inline _LIBCPP_INLINE_VISIBILITY 767void 768basic_ios<_CharT, _Traits>::move(basic_ios& __rhs) 769{ 770 ios_base::move(__rhs); 771 __tie_ = __rhs.__tie_; 772 __rhs.__tie_ = 0; 773 __fill_ = __rhs.__fill_; 774} 775 776template <class _CharT, class _Traits> 777inline _LIBCPP_INLINE_VISIBILITY 778void 779basic_ios<_CharT, _Traits>::swap(basic_ios& __rhs) _NOEXCEPT 780{ 781 ios_base::swap(__rhs); 782 _VSTD::swap(__tie_, __rhs.__tie_); 783 _VSTD::swap(__fill_, __rhs.__fill_); 784} 785 786template <class _CharT, class _Traits> 787inline _LIBCPP_INLINE_VISIBILITY 788void 789basic_ios<_CharT, _Traits>::set_rdbuf(basic_streambuf<char_type, traits_type>* __sb) 790{ 791 ios_base::set_rdbuf(__sb); 792} 793 794inline _LIBCPP_INLINE_VISIBILITY 795ios_base& 796boolalpha(ios_base& __str) 797{ 798 __str.setf(ios_base::boolalpha); 799 return __str; 800} 801 802inline _LIBCPP_INLINE_VISIBILITY 803ios_base& 804noboolalpha(ios_base& __str) 805{ 806 __str.unsetf(ios_base::boolalpha); 807 return __str; 808} 809 810inline _LIBCPP_INLINE_VISIBILITY 811ios_base& 812showbase(ios_base& __str) 813{ 814 __str.setf(ios_base::showbase); 815 return __str; 816} 817 818inline _LIBCPP_INLINE_VISIBILITY 819ios_base& 820noshowbase(ios_base& __str) 821{ 822 __str.unsetf(ios_base::showbase); 823 return __str; 824} 825 826inline _LIBCPP_INLINE_VISIBILITY 827ios_base& 828showpoint(ios_base& __str) 829{ 830 __str.setf(ios_base::showpoint); 831 return __str; 832} 833 834inline _LIBCPP_INLINE_VISIBILITY 835ios_base& 836noshowpoint(ios_base& __str) 837{ 838 __str.unsetf(ios_base::showpoint); 839 return __str; 840} 841 842inline _LIBCPP_INLINE_VISIBILITY 843ios_base& 844showpos(ios_base& __str) 845{ 846 __str.setf(ios_base::showpos); 847 return __str; 848} 849 850inline _LIBCPP_INLINE_VISIBILITY 851ios_base& 852noshowpos(ios_base& __str) 853{ 854 __str.unsetf(ios_base::showpos); 855 return __str; 856} 857 858inline _LIBCPP_INLINE_VISIBILITY 859ios_base& 860skipws(ios_base& __str) 861{ 862 __str.setf(ios_base::skipws); 863 return __str; 864} 865 866inline _LIBCPP_INLINE_VISIBILITY 867ios_base& 868noskipws(ios_base& __str) 869{ 870 __str.unsetf(ios_base::skipws); 871 return __str; 872} 873 874inline _LIBCPP_INLINE_VISIBILITY 875ios_base& 876uppercase(ios_base& __str) 877{ 878 __str.setf(ios_base::uppercase); 879 return __str; 880} 881 882inline _LIBCPP_INLINE_VISIBILITY 883ios_base& 884nouppercase(ios_base& __str) 885{ 886 __str.unsetf(ios_base::uppercase); 887 return __str; 888} 889 890inline _LIBCPP_INLINE_VISIBILITY 891ios_base& 892unitbuf(ios_base& __str) 893{ 894 __str.setf(ios_base::unitbuf); 895 return __str; 896} 897 898inline _LIBCPP_INLINE_VISIBILITY 899ios_base& 900nounitbuf(ios_base& __str) 901{ 902 __str.unsetf(ios_base::unitbuf); 903 return __str; 904} 905 906inline _LIBCPP_INLINE_VISIBILITY 907ios_base& 908internal(ios_base& __str) 909{ 910 __str.setf(ios_base::internal, ios_base::adjustfield); 911 return __str; 912} 913 914inline _LIBCPP_INLINE_VISIBILITY 915ios_base& 916left(ios_base& __str) 917{ 918 __str.setf(ios_base::left, ios_base::adjustfield); 919 return __str; 920} 921 922inline _LIBCPP_INLINE_VISIBILITY 923ios_base& 924right(ios_base& __str) 925{ 926 __str.setf(ios_base::right, ios_base::adjustfield); 927 return __str; 928} 929 930inline _LIBCPP_INLINE_VISIBILITY 931ios_base& 932dec(ios_base& __str) 933{ 934 __str.setf(ios_base::dec, ios_base::basefield); 935 return __str; 936} 937 938inline _LIBCPP_INLINE_VISIBILITY 939ios_base& 940hex(ios_base& __str) 941{ 942 __str.setf(ios_base::hex, ios_base::basefield); 943 return __str; 944} 945 946inline _LIBCPP_INLINE_VISIBILITY 947ios_base& 948oct(ios_base& __str) 949{ 950 __str.setf(ios_base::oct, ios_base::basefield); 951 return __str; 952} 953 954inline _LIBCPP_INLINE_VISIBILITY 955ios_base& 956fixed(ios_base& __str) 957{ 958 __str.setf(ios_base::fixed, ios_base::floatfield); 959 return __str; 960} 961 962inline _LIBCPP_INLINE_VISIBILITY 963ios_base& 964scientific(ios_base& __str) 965{ 966 __str.setf(ios_base::scientific, ios_base::floatfield); 967 return __str; 968} 969 970inline _LIBCPP_INLINE_VISIBILITY 971ios_base& 972hexfloat(ios_base& __str) 973{ 974 __str.setf(ios_base::fixed | ios_base::scientific, ios_base::floatfield); 975 return __str; 976} 977 978inline _LIBCPP_INLINE_VISIBILITY 979ios_base& 980defaultfloat(ios_base& __str) 981{ 982 __str.unsetf(ios_base::floatfield); 983 return __str; 984} 985 986_LIBCPP_END_NAMESPACE_STD 987 988#endif // _LIBCPP_IOS 989