// -*- C++ -*- //===----------------------------------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #ifndef _LIBCPP_IOS #define _LIBCPP_IOS /* ios synopsis #include namespace std { typedef OFF_T streamoff; typedef SZ_T streamsize; template class fpos; class ios_base { public: class failure; typedef T1 fmtflags; static constexpr fmtflags boolalpha; static constexpr fmtflags dec; static constexpr fmtflags fixed; static constexpr fmtflags hex; static constexpr fmtflags internal; static constexpr fmtflags left; static constexpr fmtflags oct; static constexpr fmtflags right; static constexpr fmtflags scientific; static constexpr fmtflags showbase; static constexpr fmtflags showpoint; static constexpr fmtflags showpos; static constexpr fmtflags skipws; static constexpr fmtflags unitbuf; static constexpr fmtflags uppercase; static constexpr fmtflags adjustfield; static constexpr fmtflags basefield; static constexpr fmtflags floatfield; typedef T2 iostate; static constexpr iostate badbit; static constexpr iostate eofbit; static constexpr iostate failbit; static constexpr iostate goodbit; typedef T3 openmode; static constexpr openmode app; static constexpr openmode ate; static constexpr openmode binary; static constexpr openmode in; static constexpr openmode noreplace; // since C++23 static constexpr openmode out; static constexpr openmode trunc; typedef T4 seekdir; static constexpr seekdir beg; static constexpr seekdir cur; static constexpr seekdir end; class Init; // 27.5.2.2 fmtflags state: fmtflags flags() const; fmtflags flags(fmtflags fmtfl); fmtflags setf(fmtflags fmtfl); fmtflags setf(fmtflags fmtfl, fmtflags mask); void unsetf(fmtflags mask); streamsize precision() const; streamsize precision(streamsize prec); streamsize width() const; streamsize width(streamsize wide); // 27.5.2.3 locales: locale imbue(const locale& loc); locale getloc() const; // 27.5.2.5 storage: static int xalloc(); long& iword(int index); void*& pword(int index); // destructor virtual ~ios_base(); // 27.5.2.6 callbacks; enum event { erase_event, imbue_event, copyfmt_event }; typedef void (*event_callback)(event, ios_base&, int index); void register_callback(event_callback fn, int index); ios_base(const ios_base&) = delete; ios_base& operator=(const ios_base&) = delete; static bool sync_with_stdio(bool sync = true); protected: ios_base(); }; template > class basic_ios : public ios_base { public: // types: typedef charT char_type; typedef typename traits::int_type int_type; // removed in C++17 typedef typename traits::pos_type pos_type; // removed in C++17 typedef typename traits::off_type off_type; // removed in C++17 typedef traits traits_type; operator unspecified-bool-type() const; bool operator!() const; iostate rdstate() const; void clear(iostate state = goodbit); void setstate(iostate state); bool good() const; bool eof() const; bool fail() const; bool bad() const; iostate exceptions() const; void exceptions(iostate except); // 27.5.4.1 Constructor/destructor: explicit basic_ios(basic_streambuf* sb); virtual ~basic_ios(); // 27.5.4.2 Members: basic_ostream* tie() const; basic_ostream* tie(basic_ostream* tiestr); basic_streambuf* rdbuf() const; basic_streambuf* rdbuf(basic_streambuf* sb); basic_ios& copyfmt(const basic_ios& rhs); char_type fill() const; char_type fill(char_type ch); locale imbue(const locale& loc); char narrow(char_type c, char dfault) const; char_type widen(char c) const; basic_ios(const basic_ios& ) = delete; basic_ios& operator=(const basic_ios&) = delete; protected: basic_ios(); void init(basic_streambuf* sb); void move(basic_ios& rhs); void swap(basic_ios& rhs) noexcept; void set_rdbuf(basic_streambuf* sb); }; // 27.5.5, manipulators: ios_base& boolalpha (ios_base& str); ios_base& noboolalpha(ios_base& str); ios_base& showbase (ios_base& str); ios_base& noshowbase (ios_base& str); ios_base& showpoint (ios_base& str); ios_base& noshowpoint(ios_base& str); ios_base& showpos (ios_base& str); ios_base& noshowpos (ios_base& str); ios_base& skipws (ios_base& str); ios_base& noskipws (ios_base& str); ios_base& uppercase (ios_base& str); ios_base& nouppercase(ios_base& str); ios_base& unitbuf (ios_base& str); ios_base& nounitbuf (ios_base& str); // 27.5.5.2 adjustfield: ios_base& internal (ios_base& str); ios_base& left (ios_base& str); ios_base& right (ios_base& str); // 27.5.5.3 basefield: ios_base& dec (ios_base& str); ios_base& hex (ios_base& str); ios_base& oct (ios_base& str); // 27.5.5.4 floatfield: ios_base& fixed (ios_base& str); ios_base& scientific (ios_base& str); ios_base& hexfloat (ios_base& str); ios_base& defaultfloat(ios_base& str); // 27.5.5.5 error reporting: enum class io_errc { stream = 1 }; concept_map ErrorCodeEnum { }; error_code make_error_code(io_errc e) noexcept; error_condition make_error_condition(io_errc e) noexcept; storage-class-specifier const error_category& iostream_category() noexcept; } // std */ #include <__config> #if defined(_LIBCPP_HAS_NO_LOCALIZATION) # error "The iostreams library is not supported since libc++ has been configured without support for localization." #endif #include <__assert> // all public C++ headers provide the assertion handler #include <__fwd/ios.h> #include <__ios/fpos.h> #include <__locale> #include <__system_error/error_category.h> #include <__system_error/error_code.h> #include <__system_error/error_condition.h> #include <__system_error/system_error.h> #include <__utility/swap.h> #include <__verbose_abort> #include // standard-mandated includes // [ios.syn] #include #if !defined(_LIBCPP_HAS_NO_ATOMIC_HEADER) # include <__atomic/atomic.h> // for __xindex_ #endif #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif _LIBCPP_BEGIN_NAMESPACE_STD typedef ptrdiff_t streamsize; class _LIBCPP_EXPORTED_FROM_ABI ios_base { public: class _LIBCPP_EXPORTED_FROM_ABI failure; typedef unsigned int fmtflags; static const fmtflags boolalpha = 0x0001; static const fmtflags dec = 0x0002; static const fmtflags fixed = 0x0004; static const fmtflags hex = 0x0008; static const fmtflags internal = 0x0010; static const fmtflags left = 0x0020; static const fmtflags oct = 0x0040; static const fmtflags right = 0x0080; static const fmtflags scientific = 0x0100; static const fmtflags showbase = 0x0200; static const fmtflags showpoint = 0x0400; static const fmtflags showpos = 0x0800; static const fmtflags skipws = 0x1000; static const fmtflags unitbuf = 0x2000; static const fmtflags uppercase = 0x4000; static const fmtflags adjustfield = left | right | internal; static const fmtflags basefield = dec | oct | hex; static const fmtflags floatfield = scientific | fixed; typedef unsigned int iostate; static const iostate badbit = 0x1; static const iostate eofbit = 0x2; static const iostate failbit = 0x4; static const iostate goodbit = 0x0; typedef unsigned int openmode; static const openmode app = 0x01; static const openmode ate = 0x02; static const openmode binary = 0x04; static const openmode in = 0x08; static const openmode out = 0x10; static const openmode trunc = 0x20; #if _LIBCPP_STD_VER >= 23 static const openmode noreplace = 0x40; #endif enum seekdir { beg, cur, end }; #if _LIBCPP_STD_VER <= 14 typedef iostate io_state; typedef openmode open_mode; typedef seekdir seek_dir; typedef std::streamoff streamoff; typedef std::streampos streampos; #endif class _LIBCPP_EXPORTED_FROM_ABI Init; // 27.5.2.2 fmtflags state: _LIBCPP_HIDE_FROM_ABI fmtflags flags() const; _LIBCPP_HIDE_FROM_ABI fmtflags flags(fmtflags __fmtfl); _LIBCPP_HIDE_FROM_ABI fmtflags setf(fmtflags __fmtfl); _LIBCPP_HIDE_FROM_ABI fmtflags setf(fmtflags __fmtfl, fmtflags __mask); _LIBCPP_HIDE_FROM_ABI void unsetf(fmtflags __mask); _LIBCPP_HIDE_FROM_ABI streamsize precision() const; _LIBCPP_HIDE_FROM_ABI streamsize precision(streamsize __prec); _LIBCPP_HIDE_FROM_ABI streamsize width() const; _LIBCPP_HIDE_FROM_ABI streamsize width(streamsize __wide); // 27.5.2.3 locales: locale imbue(const locale& __loc); locale getloc() const; // 27.5.2.5 storage: static int xalloc(); long& iword(int __index); void*& pword(int __index); // destructor virtual ~ios_base(); // 27.5.2.6 callbacks; enum event { erase_event, imbue_event, copyfmt_event }; typedef void (*event_callback)(event, ios_base&, int __index); void register_callback(event_callback __fn, int __index); ios_base(const ios_base&) = delete; ios_base& operator=(const ios_base&) = delete; static bool sync_with_stdio(bool __sync = true); _LIBCPP_HIDE_FROM_ABI iostate rdstate() const; void clear(iostate __state = goodbit); _LIBCPP_HIDE_FROM_ABI void setstate(iostate __state); _LIBCPP_HIDE_FROM_ABI bool good() const; _LIBCPP_HIDE_FROM_ABI bool eof() const; _LIBCPP_HIDE_FROM_ABI bool fail() const; _LIBCPP_HIDE_FROM_ABI bool bad() const; _LIBCPP_HIDE_FROM_ABI iostate exceptions() const; _LIBCPP_HIDE_FROM_ABI void exceptions(iostate __iostate); void __set_badbit_and_consider_rethrow(); void __set_failbit_and_consider_rethrow(); _LIBCPP_HIDE_FROM_ABI void __setstate_nothrow(iostate __state) { if (__rdbuf_) __rdstate_ |= __state; else __rdstate_ |= __state | ios_base::badbit; } protected: _LIBCPP_HIDE_FROM_ABI ios_base() { // purposefully does no initialization } void init(void* __sb); _LIBCPP_HIDE_FROM_ABI void* rdbuf() const { return __rdbuf_; } _LIBCPP_HIDE_FROM_ABI void rdbuf(void* __sb) { __rdbuf_ = __sb; clear(); } void __call_callbacks(event); void copyfmt(const ios_base&); void move(ios_base&); void swap(ios_base&) _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI void set_rdbuf(void* __sb) { __rdbuf_ = __sb; } private: // All data members must be scalars fmtflags __fmtflags_; streamsize __precision_; streamsize __width_; iostate __rdstate_; iostate __exceptions_; void* __rdbuf_; void* __loc_; event_callback* __fn_; int* __index_; size_t __event_size_; size_t __event_cap_; // TODO(EricWF): Enable this for both Clang and GCC. Currently it is only // enabled with clang. #if defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_NO_THREADS) static atomic __xindex_; #else static int __xindex_; #endif long* __iarray_; size_t __iarray_size_; size_t __iarray_cap_; void** __parray_; size_t __parray_size_; size_t __parray_cap_; }; // enum class io_errc _LIBCPP_DECLARE_STRONG_ENUM(io_errc){stream = 1}; _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(io_errc) template <> struct _LIBCPP_TEMPLATE_VIS is_error_code_enum : public true_type {}; #ifdef _LIBCPP_CXX03_LANG template <> struct _LIBCPP_TEMPLATE_VIS is_error_code_enum : public true_type {}; #endif _LIBCPP_EXPORTED_FROM_ABI const error_category& iostream_category() _NOEXCEPT; inline _LIBCPP_HIDE_FROM_ABI error_code make_error_code(io_errc __e) _NOEXCEPT { return error_code(static_cast(__e), iostream_category()); } inline _LIBCPP_HIDE_FROM_ABI error_condition make_error_condition(io_errc __e) _NOEXCEPT { return error_condition(static_cast(__e), iostream_category()); } class _LIBCPP_EXPORTED_FROM_ABI ios_base::failure : public system_error { public: explicit failure(const string& __msg, const error_code& __ec = io_errc::stream); explicit failure(const char* __msg, const error_code& __ec = io_errc::stream); _LIBCPP_HIDE_FROM_ABI failure(const failure&) _NOEXCEPT = default; ~failure() _NOEXCEPT override; }; _LIBCPP_NORETURN inline _LIBCPP_HIDE_FROM_ABI void __throw_failure(char const* __msg) { #ifndef _LIBCPP_HAS_NO_EXCEPTIONS throw ios_base::failure(__msg); #else _LIBCPP_VERBOSE_ABORT("ios_base::failure was thrown in -fno-exceptions mode with message \"%s\"", __msg); #endif } class _LIBCPP_EXPORTED_FROM_ABI ios_base::Init { public: Init(); ~Init(); }; // fmtflags inline _LIBCPP_HIDE_FROM_ABI ios_base::fmtflags ios_base::flags() const { return __fmtflags_; } inline _LIBCPP_HIDE_FROM_ABI ios_base::fmtflags ios_base::flags(fmtflags __fmtfl) { fmtflags __r = __fmtflags_; __fmtflags_ = __fmtfl; return __r; } inline _LIBCPP_HIDE_FROM_ABI ios_base::fmtflags ios_base::setf(fmtflags __fmtfl) { fmtflags __r = __fmtflags_; __fmtflags_ |= __fmtfl; return __r; } inline _LIBCPP_HIDE_FROM_ABI void ios_base::unsetf(fmtflags __mask) { __fmtflags_ &= ~__mask; } inline _LIBCPP_HIDE_FROM_ABI ios_base::fmtflags ios_base::setf(fmtflags __fmtfl, fmtflags __mask) { fmtflags __r = __fmtflags_; unsetf(__mask); __fmtflags_ |= __fmtfl & __mask; return __r; } // precision inline _LIBCPP_HIDE_FROM_ABI streamsize ios_base::precision() const { return __precision_; } inline _LIBCPP_HIDE_FROM_ABI streamsize ios_base::precision(streamsize __prec) { streamsize __r = __precision_; __precision_ = __prec; return __r; } // width inline _LIBCPP_HIDE_FROM_ABI streamsize ios_base::width() const { return __width_; } inline _LIBCPP_HIDE_FROM_ABI streamsize ios_base::width(streamsize __wide) { streamsize __r = __width_; __width_ = __wide; return __r; } // iostate inline _LIBCPP_HIDE_FROM_ABI ios_base::iostate ios_base::rdstate() const { return __rdstate_; } inline _LIBCPP_HIDE_FROM_ABI void ios_base::setstate(iostate __state) { clear(__rdstate_ | __state); } inline _LIBCPP_HIDE_FROM_ABI bool ios_base::good() const { return __rdstate_ == 0; } inline _LIBCPP_HIDE_FROM_ABI bool ios_base::eof() const { return (__rdstate_ & eofbit) != 0; } inline _LIBCPP_HIDE_FROM_ABI bool ios_base::fail() const { return (__rdstate_ & (failbit | badbit)) != 0; } inline _LIBCPP_HIDE_FROM_ABI bool ios_base::bad() const { return (__rdstate_ & badbit) != 0; } inline _LIBCPP_HIDE_FROM_ABI ios_base::iostate ios_base::exceptions() const { return __exceptions_; } inline _LIBCPP_HIDE_FROM_ABI void ios_base::exceptions(iostate __iostate) { __exceptions_ = __iostate; clear(__rdstate_); } template class _LIBCPP_TEMPLATE_VIS basic_ios : public ios_base { public: // types: typedef _CharT char_type; typedef _Traits traits_type; typedef typename traits_type::int_type int_type; typedef typename traits_type::pos_type pos_type; typedef typename traits_type::off_type off_type; static_assert((is_same<_CharT, typename traits_type::char_type>::value), "traits_type::char_type must be the same type as CharT"); #ifdef _LIBCPP_CXX03_LANG // Preserve the ability to compare with literal 0, // and implicitly convert to bool, but not implicitly convert to int. _LIBCPP_HIDE_FROM_ABI operator void*() const { return fail() ? nullptr : (void*)this; } #else _LIBCPP_HIDE_FROM_ABI explicit operator bool() const { return !fail(); } #endif _LIBCPP_HIDE_FROM_ABI bool operator!() const { return fail(); } _LIBCPP_HIDE_FROM_ABI iostate rdstate() const { return ios_base::rdstate(); } _LIBCPP_HIDE_FROM_ABI void clear(iostate __state = goodbit) { ios_base::clear(__state); } _LIBCPP_HIDE_FROM_ABI void setstate(iostate __state) { ios_base::setstate(__state); } _LIBCPP_HIDE_FROM_ABI bool good() const { return ios_base::good(); } _LIBCPP_HIDE_FROM_ABI bool eof() const { return ios_base::eof(); } _LIBCPP_HIDE_FROM_ABI bool fail() const { return ios_base::fail(); } _LIBCPP_HIDE_FROM_ABI bool bad() const { return ios_base::bad(); } _LIBCPP_HIDE_FROM_ABI iostate exceptions() const { return ios_base::exceptions(); } _LIBCPP_HIDE_FROM_ABI void exceptions(iostate __iostate) { ios_base::exceptions(__iostate); } // 27.5.4.1 Constructor/destructor: _LIBCPP_HIDE_FROM_ABI explicit basic_ios(basic_streambuf* __sb); ~basic_ios() override; // 27.5.4.2 Members: _LIBCPP_HIDE_FROM_ABI basic_ostream* tie() const; _LIBCPP_HIDE_FROM_ABI basic_ostream* tie(basic_ostream* __tiestr); _LIBCPP_HIDE_FROM_ABI basic_streambuf* rdbuf() const; _LIBCPP_HIDE_FROM_ABI basic_streambuf* rdbuf(basic_streambuf* __sb); basic_ios& copyfmt(const basic_ios& __rhs); _LIBCPP_HIDE_FROM_ABI char_type fill() const; _LIBCPP_HIDE_FROM_ABI char_type fill(char_type __ch); _LIBCPP_HIDE_FROM_ABI locale imbue(const locale& __loc); _LIBCPP_HIDE_FROM_ABI char narrow(char_type __c, char __dfault) const; _LIBCPP_HIDE_FROM_ABI char_type widen(char __c) const; protected: _LIBCPP_HIDE_FROM_ABI basic_ios() { // purposefully does no initialization } _LIBCPP_HIDE_FROM_ABI void init(basic_streambuf* __sb); _LIBCPP_HIDE_FROM_ABI void move(basic_ios& __rhs); _LIBCPP_HIDE_FROM_ABI void move(basic_ios&& __rhs) { move(__rhs); } _LIBCPP_HIDE_FROM_ABI void swap(basic_ios& __rhs) _NOEXCEPT; _LIBCPP_HIDE_FROM_ABI void set_rdbuf(basic_streambuf* __sb); private: basic_ostream* __tie_; mutable int_type __fill_; }; template inline _LIBCPP_HIDE_FROM_ABI basic_ios<_CharT, _Traits>::basic_ios(basic_streambuf* __sb) { init(__sb); } template basic_ios<_CharT, _Traits>::~basic_ios() {} template inline _LIBCPP_HIDE_FROM_ABI void basic_ios<_CharT, _Traits>::init(basic_streambuf* __sb) { ios_base::init(__sb); __tie_ = nullptr; __fill_ = traits_type::eof(); } template inline _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>* basic_ios<_CharT, _Traits>::tie() const { return __tie_; } template inline _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>* basic_ios<_CharT, _Traits>::tie(basic_ostream* __tiestr) { basic_ostream* __r = __tie_; __tie_ = __tiestr; return __r; } template inline _LIBCPP_HIDE_FROM_ABI basic_streambuf<_CharT, _Traits>* basic_ios<_CharT, _Traits>::rdbuf() const { return static_cast*>(ios_base::rdbuf()); } template inline _LIBCPP_HIDE_FROM_ABI basic_streambuf<_CharT, _Traits>* basic_ios<_CharT, _Traits>::rdbuf(basic_streambuf* __sb) { basic_streambuf* __r = rdbuf(); ios_base::rdbuf(__sb); return __r; } template inline _LIBCPP_HIDE_FROM_ABI locale basic_ios<_CharT, _Traits>::imbue(const locale& __loc) { locale __r = getloc(); ios_base::imbue(__loc); if (rdbuf()) rdbuf()->pubimbue(__loc); return __r; } template inline _LIBCPP_HIDE_FROM_ABI char basic_ios<_CharT, _Traits>::narrow(char_type __c, char __dfault) const { return std::use_facet >(getloc()).narrow(__c, __dfault); } template inline _LIBCPP_HIDE_FROM_ABI _CharT basic_ios<_CharT, _Traits>::widen(char __c) const { return std::use_facet >(getloc()).widen(__c); } template inline _LIBCPP_HIDE_FROM_ABI _CharT basic_ios<_CharT, _Traits>::fill() const { if (traits_type::eq_int_type(traits_type::eof(), __fill_)) __fill_ = widen(' '); return __fill_; } template inline _LIBCPP_HIDE_FROM_ABI _CharT basic_ios<_CharT, _Traits>::fill(char_type __ch) { if (traits_type::eq_int_type(traits_type::eof(), __fill_)) __fill_ = widen(' '); char_type __r = __fill_; __fill_ = __ch; return __r; } template basic_ios<_CharT, _Traits>& basic_ios<_CharT, _Traits>::copyfmt(const basic_ios& __rhs) { if (this != &__rhs) { __call_callbacks(erase_event); ios_base::copyfmt(__rhs); __tie_ = __rhs.__tie_; __fill_ = __rhs.__fill_; __call_callbacks(copyfmt_event); exceptions(__rhs.exceptions()); } return *this; } template inline _LIBCPP_HIDE_FROM_ABI void basic_ios<_CharT, _Traits>::move(basic_ios& __rhs) { ios_base::move(__rhs); __tie_ = __rhs.__tie_; __rhs.__tie_ = nullptr; __fill_ = __rhs.__fill_; } template inline _LIBCPP_HIDE_FROM_ABI void basic_ios<_CharT, _Traits>::swap(basic_ios& __rhs) _NOEXCEPT { ios_base::swap(__rhs); std::swap(__tie_, __rhs.__tie_); std::swap(__fill_, __rhs.__fill_); } template inline _LIBCPP_HIDE_FROM_ABI void basic_ios<_CharT, _Traits>::set_rdbuf(basic_streambuf* __sb) { ios_base::set_rdbuf(__sb); } extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_ios; #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_ios; #endif _LIBCPP_HIDE_FROM_ABI inline ios_base& boolalpha(ios_base& __str) { __str.setf(ios_base::boolalpha); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& noboolalpha(ios_base& __str) { __str.unsetf(ios_base::boolalpha); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& showbase(ios_base& __str) { __str.setf(ios_base::showbase); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& noshowbase(ios_base& __str) { __str.unsetf(ios_base::showbase); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& showpoint(ios_base& __str) { __str.setf(ios_base::showpoint); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& noshowpoint(ios_base& __str) { __str.unsetf(ios_base::showpoint); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& showpos(ios_base& __str) { __str.setf(ios_base::showpos); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& noshowpos(ios_base& __str) { __str.unsetf(ios_base::showpos); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& skipws(ios_base& __str) { __str.setf(ios_base::skipws); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& noskipws(ios_base& __str) { __str.unsetf(ios_base::skipws); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& uppercase(ios_base& __str) { __str.setf(ios_base::uppercase); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& nouppercase(ios_base& __str) { __str.unsetf(ios_base::uppercase); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& unitbuf(ios_base& __str) { __str.setf(ios_base::unitbuf); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& nounitbuf(ios_base& __str) { __str.unsetf(ios_base::unitbuf); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& internal(ios_base& __str) { __str.setf(ios_base::internal, ios_base::adjustfield); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& left(ios_base& __str) { __str.setf(ios_base::left, ios_base::adjustfield); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& right(ios_base& __str) { __str.setf(ios_base::right, ios_base::adjustfield); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& dec(ios_base& __str) { __str.setf(ios_base::dec, ios_base::basefield); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& hex(ios_base& __str) { __str.setf(ios_base::hex, ios_base::basefield); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& oct(ios_base& __str) { __str.setf(ios_base::oct, ios_base::basefield); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& fixed(ios_base& __str) { __str.setf(ios_base::fixed, ios_base::floatfield); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& scientific(ios_base& __str) { __str.setf(ios_base::scientific, ios_base::floatfield); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& hexfloat(ios_base& __str) { __str.setf(ios_base::fixed | ios_base::scientific, ios_base::floatfield); return __str; } _LIBCPP_HIDE_FROM_ABI inline ios_base& defaultfloat(ios_base& __str) { __str.unsetf(ios_base::floatfield); return __str; } _LIBCPP_END_NAMESPACE_STD #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 # include # include # include # include # include # include # include # include # include # include # include # include # include #endif #endif // _LIBCPP_IOS