| Index: third_party/libc++/src/ios.cpp
|
| ===================================================================
|
| --- third_party/libc++/src/ios.cpp (revision 0)
|
| +++ third_party/libc++/src/ios.cpp (revision 0)
|
| @@ -0,0 +1,460 @@
|
| +//===-------------------------- ios.cpp -----------------------------------===//
|
| +//
|
| +// The LLVM Compiler Infrastructure
|
| +//
|
| +// This file is dual licensed under the MIT and the University of Illinois Open
|
| +// Source Licenses. See LICENSE.TXT for details.
|
| +//
|
| +//===----------------------------------------------------------------------===//
|
| +
|
| +#define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
|
| +
|
| +#include "ios"
|
| +#include "streambuf"
|
| +#include "istream"
|
| +#include "string"
|
| +#include "__locale"
|
| +#include "algorithm"
|
| +#include "memory"
|
| +#include "new"
|
| +#include "limits"
|
| +#include <stdlib.h>
|
| +
|
| +_LIBCPP_BEGIN_NAMESPACE_STD
|
| +
|
| +template class basic_ios<char>;
|
| +template class basic_ios<wchar_t>;
|
| +
|
| +template class basic_streambuf<char>;
|
| +template class basic_streambuf<wchar_t>;
|
| +
|
| +template class basic_istream<char>;
|
| +template class basic_istream<wchar_t>;
|
| +
|
| +template class basic_ostream<char>;
|
| +template class basic_ostream<wchar_t>;
|
| +
|
| +template class basic_iostream<char>;
|
| +
|
| +class _LIBCPP_HIDDEN __iostream_category
|
| + : public __do_message
|
| +{
|
| +public:
|
| + virtual const char* name() const _NOEXCEPT;
|
| + virtual string message(int ev) const;
|
| +};
|
| +
|
| +const char*
|
| +__iostream_category::name() const _NOEXCEPT
|
| +{
|
| + return "iostream";
|
| +}
|
| +
|
| +string
|
| +__iostream_category::message(int ev) const
|
| +{
|
| + if (ev != static_cast<int>(io_errc::stream)
|
| +#ifdef ELAST
|
| + && ev <= ELAST
|
| +#endif
|
| + )
|
| + return __do_message::message(ev);
|
| + return string("unspecified iostream_category error");
|
| +}
|
| +
|
| +const error_category&
|
| +iostream_category() _NOEXCEPT
|
| +{
|
| + static __iostream_category s;
|
| + return s;
|
| +}
|
| +
|
| +// ios_base::failure
|
| +
|
| +ios_base::failure::failure(const string& msg, const error_code& ec)
|
| + : system_error(ec, msg)
|
| +{
|
| +}
|
| +
|
| +ios_base::failure::failure(const char* msg, const error_code& ec)
|
| + : system_error(ec, msg)
|
| +{
|
| +}
|
| +
|
| +ios_base::failure::~failure() throw()
|
| +{
|
| +}
|
| +
|
| +// ios_base locale
|
| +
|
| +const ios_base::fmtflags ios_base::boolalpha;
|
| +const ios_base::fmtflags ios_base::dec;
|
| +const ios_base::fmtflags ios_base::fixed;
|
| +const ios_base::fmtflags ios_base::hex;
|
| +const ios_base::fmtflags ios_base::internal;
|
| +const ios_base::fmtflags ios_base::left;
|
| +const ios_base::fmtflags ios_base::oct;
|
| +const ios_base::fmtflags ios_base::right;
|
| +const ios_base::fmtflags ios_base::scientific;
|
| +const ios_base::fmtflags ios_base::showbase;
|
| +const ios_base::fmtflags ios_base::showpoint;
|
| +const ios_base::fmtflags ios_base::showpos;
|
| +const ios_base::fmtflags ios_base::skipws;
|
| +const ios_base::fmtflags ios_base::unitbuf;
|
| +const ios_base::fmtflags ios_base::uppercase;
|
| +const ios_base::fmtflags ios_base::adjustfield;
|
| +const ios_base::fmtflags ios_base::basefield;
|
| +const ios_base::fmtflags ios_base::floatfield;
|
| +
|
| +const ios_base::iostate ios_base::badbit;
|
| +const ios_base::iostate ios_base::eofbit;
|
| +const ios_base::iostate ios_base::failbit;
|
| +const ios_base::iostate ios_base::goodbit;
|
| +
|
| +const ios_base::openmode ios_base::app;
|
| +const ios_base::openmode ios_base::ate;
|
| +const ios_base::openmode ios_base::binary;
|
| +const ios_base::openmode ios_base::in;
|
| +const ios_base::openmode ios_base::out;
|
| +const ios_base::openmode ios_base::trunc;
|
| +
|
| +void
|
| +ios_base::__call_callbacks(event ev)
|
| +{
|
| + for (size_t i = __event_size_; i;)
|
| + {
|
| + --i;
|
| + __fn_[i](ev, *this, __index_[i]);
|
| + }
|
| +}
|
| +
|
| +// locale
|
| +
|
| +locale
|
| +ios_base::imbue(const locale& newloc)
|
| +{
|
| + static_assert(sizeof(locale) == sizeof(__loc_), "");
|
| + locale& loc_storage = *(locale*)&__loc_;
|
| + locale oldloc = loc_storage;
|
| + loc_storage = newloc;
|
| + __call_callbacks(imbue_event);
|
| + return oldloc;
|
| +}
|
| +
|
| +locale
|
| +ios_base::getloc() const
|
| +{
|
| + const locale& loc_storage = *(locale*)&__loc_;
|
| + return loc_storage;
|
| +}
|
| +
|
| +// xalloc
|
| +#if __has_feature(cxx_atomic)
|
| +atomic<int> ios_base::__xindex_ = ATOMIC_VAR_INIT(0);
|
| +#else
|
| +int ios_base::__xindex_ = 0;
|
| +#endif
|
| +
|
| +int
|
| +ios_base::xalloc()
|
| +{
|
| + return __xindex_++;
|
| +}
|
| +
|
| +long&
|
| +ios_base::iword(int index)
|
| +{
|
| + size_t req_size = static_cast<size_t>(index)+1;
|
| + if (req_size > __iarray_cap_)
|
| + {
|
| + size_t newcap;
|
| + const size_t mx = std::numeric_limits<size_t>::max();
|
| + if (req_size < mx/2)
|
| + newcap = _VSTD::max(2 * __iarray_cap_, req_size);
|
| + else
|
| + newcap = mx;
|
| + long* iarray = (long*)realloc(__iarray_, newcap * sizeof(long));
|
| + if (iarray == 0)
|
| + {
|
| + setstate(badbit);
|
| + static long error;
|
| + error = 0;
|
| + return error;
|
| + }
|
| + __iarray_ = iarray;
|
| + for (long* p = __iarray_ + __iarray_size_; __iarray_cap_ < newcap; ++__iarray_cap_, ++p)
|
| + *p = 0;
|
| + }
|
| + __iarray_size_ = max<size_t>(__iarray_size_, req_size);
|
| + return __iarray_[index];
|
| +}
|
| +
|
| +void*&
|
| +ios_base::pword(int index)
|
| +{
|
| + size_t req_size = static_cast<size_t>(index)+1;
|
| + if (req_size > __parray_cap_)
|
| + {
|
| + size_t newcap;
|
| + const size_t mx = std::numeric_limits<size_t>::max();
|
| + if (req_size < mx/2)
|
| + newcap = _VSTD::max(2 * __parray_cap_, req_size);
|
| + else
|
| + newcap = mx;
|
| + void** parray = (void**)realloc(__parray_, newcap * sizeof(void*));
|
| + if (parray == 0)
|
| + {
|
| + setstate(badbit);
|
| + static void* error;
|
| + error = 0;
|
| + return error;
|
| + }
|
| + __parray_ = parray;
|
| + for (void** p = __parray_ + __parray_size_; __parray_cap_ < newcap; ++__parray_cap_, ++p)
|
| + *p = 0;
|
| + }
|
| + __parray_size_ = max<size_t>(__parray_size_, req_size);
|
| + return __parray_[index];
|
| +}
|
| +
|
| +// register_callback
|
| +
|
| +void
|
| +ios_base::register_callback(event_callback fn, int index)
|
| +{
|
| + size_t req_size = __event_size_ + 1;
|
| + if (req_size > __event_cap_)
|
| + {
|
| + size_t newcap;
|
| + const size_t mx = std::numeric_limits<size_t>::max();
|
| + if (req_size < mx/2)
|
| + newcap = _VSTD::max(2 * __event_cap_, req_size);
|
| + else
|
| + newcap = mx;
|
| + event_callback* fns = (event_callback*)realloc(__fn_, newcap * sizeof(event_callback));
|
| + if (fns == 0)
|
| + setstate(badbit);
|
| + __fn_ = fns;
|
| + int* indxs = (int*)realloc(__index_, newcap * sizeof(int));
|
| + if (indxs == 0)
|
| + setstate(badbit);
|
| + __index_ = indxs;
|
| + }
|
| + __fn_[__event_size_] = fn;
|
| + __index_[__event_size_] = index;
|
| + ++__event_size_;
|
| +}
|
| +
|
| +ios_base::~ios_base()
|
| +{
|
| + __call_callbacks(erase_event);
|
| + locale& loc_storage = *(locale*)&__loc_;
|
| + loc_storage.~locale();
|
| + free(__fn_);
|
| + free(__index_);
|
| + free(__iarray_);
|
| + free(__parray_);
|
| +}
|
| +
|
| +// iostate
|
| +
|
| +void
|
| +ios_base::clear(iostate state)
|
| +{
|
| + if (__rdbuf_)
|
| + __rdstate_ = state;
|
| + else
|
| + __rdstate_ = state | badbit;
|
| +#ifndef _LIBCPP_NO_EXCEPTIONS
|
| + if (((state | (__rdbuf_ ? goodbit : badbit)) & __exceptions_) != 0)
|
| + throw failure("ios_base::clear");
|
| +#endif // _LIBCPP_NO_EXCEPTIONS
|
| +}
|
| +
|
| +// init
|
| +
|
| +void
|
| +ios_base::init(void* sb)
|
| +{
|
| + __rdbuf_ = sb;
|
| + __rdstate_ = __rdbuf_ ? goodbit : badbit;
|
| + __exceptions_ = goodbit;
|
| + __fmtflags_ = skipws | dec;
|
| + __width_ = 0;
|
| + __precision_ = 6;
|
| + __fn_ = 0;
|
| + __index_ = 0;
|
| + __event_size_ = 0;
|
| + __event_cap_ = 0;
|
| + __iarray_ = 0;
|
| + __iarray_size_ = 0;
|
| + __iarray_cap_ = 0;
|
| + __parray_ = 0;
|
| + __parray_size_ = 0;
|
| + __parray_cap_ = 0;
|
| + ::new(&__loc_) locale;
|
| +}
|
| +
|
| +void
|
| +ios_base::copyfmt(const ios_base& rhs)
|
| +{
|
| + // If we can't acquire the needed resources, throw bad_alloc (can't set badbit)
|
| + // Don't alter *this until all needed resources are aquired
|
| + unique_ptr<event_callback, void (*)(void*)> new_callbacks(0, free);
|
| + unique_ptr<int, void (*)(void*)> new_ints(0, free);
|
| + unique_ptr<long, void (*)(void*)> new_longs(0, free);
|
| + unique_ptr<void*, void (*)(void*)> new_pointers(0, free);
|
| + if (__event_cap_ < rhs.__event_size_)
|
| + {
|
| + new_callbacks.reset((event_callback*)malloc(sizeof(event_callback) * rhs.__event_size_));
|
| +#ifndef _LIBCPP_NO_EXCEPTIONS
|
| + if (!new_callbacks)
|
| + throw bad_alloc();
|
| +#endif // _LIBCPP_NO_EXCEPTIONS
|
| + new_ints.reset((int*)malloc(sizeof(int) * rhs.__event_size_));
|
| +#ifndef _LIBCPP_NO_EXCEPTIONS
|
| + if (!new_ints)
|
| + throw bad_alloc();
|
| +#endif // _LIBCPP_NO_EXCEPTIONS
|
| + }
|
| + if (__iarray_cap_ < rhs.__iarray_size_)
|
| + {
|
| + new_longs.reset((long*)malloc(sizeof(long) * rhs.__iarray_size_));
|
| +#ifndef _LIBCPP_NO_EXCEPTIONS
|
| + if (!new_longs)
|
| + throw bad_alloc();
|
| +#endif // _LIBCPP_NO_EXCEPTIONS
|
| + }
|
| + if (__parray_cap_ < rhs.__parray_size_)
|
| + {
|
| + new_pointers.reset((void**)malloc(sizeof(void*) * rhs.__parray_size_));
|
| +#ifndef _LIBCPP_NO_EXCEPTIONS
|
| + if (!new_pointers)
|
| + throw bad_alloc();
|
| +#endif // _LIBCPP_NO_EXCEPTIONS
|
| + }
|
| + // Got everything we need. Copy everything but __rdstate_, __rdbuf_ and __exceptions_
|
| + __fmtflags_ = rhs.__fmtflags_;
|
| + __precision_ = rhs.__precision_;
|
| + __width_ = rhs.__width_;
|
| + locale& lhs_loc = *(locale*)&__loc_;
|
| + locale& rhs_loc = *(locale*)&rhs.__loc_;
|
| + lhs_loc = rhs_loc;
|
| + if (__event_cap_ < rhs.__event_size_)
|
| + {
|
| + free(__fn_);
|
| + __fn_ = new_callbacks.release();
|
| + free(__index_);
|
| + __index_ = new_ints.release();
|
| + __event_cap_ = rhs.__event_size_;
|
| + }
|
| + for (__event_size_ = 0; __event_size_ < rhs.__event_size_; ++__event_size_)
|
| + {
|
| + __fn_[__event_size_] = rhs.__fn_[__event_size_];
|
| + __index_[__event_size_] = rhs.__index_[__event_size_];
|
| + }
|
| + if (__iarray_cap_ < rhs.__iarray_size_)
|
| + {
|
| + free(__iarray_);
|
| + __iarray_ = new_longs.release();
|
| + __iarray_cap_ = rhs.__iarray_size_;
|
| + }
|
| + for (__iarray_size_ = 0; __iarray_size_ < rhs.__iarray_size_; ++__iarray_size_)
|
| + __iarray_[__iarray_size_] = rhs.__iarray_[__iarray_size_];
|
| + if (__parray_cap_ < rhs.__parray_size_)
|
| + {
|
| + free(__parray_);
|
| + __parray_ = new_pointers.release();
|
| + __parray_cap_ = rhs.__parray_size_;
|
| + }
|
| + for (__parray_size_ = 0; __parray_size_ < rhs.__parray_size_; ++__parray_size_)
|
| + __parray_[__parray_size_] = rhs.__parray_[__parray_size_];
|
| +}
|
| +
|
| +void
|
| +ios_base::move(ios_base& rhs)
|
| +{
|
| + // *this is uninitialized
|
| + __fmtflags_ = rhs.__fmtflags_;
|
| + __precision_ = rhs.__precision_;
|
| + __width_ = rhs.__width_;
|
| + __rdstate_ = rhs.__rdstate_;
|
| + __exceptions_ = rhs.__exceptions_;
|
| + __rdbuf_ = 0;
|
| + locale& rhs_loc = *(locale*)&rhs.__loc_;
|
| + ::new(&__loc_) locale(rhs_loc);
|
| + __fn_ = rhs.__fn_;
|
| + rhs.__fn_ = 0;
|
| + __index_ = rhs.__index_;
|
| + rhs.__index_ = 0;
|
| + __event_size_ = rhs.__event_size_;
|
| + rhs.__event_size_ = 0;
|
| + __event_cap_ = rhs.__event_cap_;
|
| + rhs.__event_cap_ = 0;
|
| + __iarray_ = rhs.__iarray_;
|
| + rhs.__iarray_ = 0;
|
| + __iarray_size_ = rhs.__iarray_size_;
|
| + rhs.__iarray_size_ = 0;
|
| + __iarray_cap_ = rhs.__iarray_cap_;
|
| + rhs.__iarray_cap_ = 0;
|
| + __parray_ = rhs.__parray_;
|
| + rhs.__parray_ = 0;
|
| + __parray_size_ = rhs.__parray_size_;
|
| + rhs.__parray_size_ = 0;
|
| + __parray_cap_ = rhs.__parray_cap_;
|
| + rhs.__parray_cap_ = 0;
|
| +}
|
| +
|
| +void
|
| +ios_base::swap(ios_base& rhs) _NOEXCEPT
|
| +{
|
| + _VSTD::swap(__fmtflags_, rhs.__fmtflags_);
|
| + _VSTD::swap(__precision_, rhs.__precision_);
|
| + _VSTD::swap(__width_, rhs.__width_);
|
| + _VSTD::swap(__rdstate_, rhs.__rdstate_);
|
| + _VSTD::swap(__exceptions_, rhs.__exceptions_);
|
| + locale& lhs_loc = *(locale*)&__loc_;
|
| + locale& rhs_loc = *(locale*)&rhs.__loc_;
|
| + _VSTD::swap(lhs_loc, rhs_loc);
|
| + _VSTD::swap(__fn_, rhs.__fn_);
|
| + _VSTD::swap(__index_, rhs.__index_);
|
| + _VSTD::swap(__event_size_, rhs.__event_size_);
|
| + _VSTD::swap(__event_cap_, rhs.__event_cap_);
|
| + _VSTD::swap(__iarray_, rhs.__iarray_);
|
| + _VSTD::swap(__iarray_size_, rhs.__iarray_size_);
|
| + _VSTD::swap(__iarray_cap_, rhs.__iarray_cap_);
|
| + _VSTD::swap(__parray_, rhs.__parray_);
|
| + _VSTD::swap(__parray_size_, rhs.__parray_size_);
|
| + _VSTD::swap(__parray_cap_, rhs.__parray_cap_);
|
| +}
|
| +
|
| +void
|
| +ios_base::__set_badbit_and_consider_rethrow()
|
| +{
|
| + __rdstate_ |= badbit;
|
| +#ifndef _LIBCPP_NO_EXCEPTIONS
|
| + if (__exceptions_ & badbit)
|
| + throw;
|
| +#endif // _LIBCPP_NO_EXCEPTIONS
|
| +}
|
| +
|
| +void
|
| +ios_base::__set_failbit_and_consider_rethrow()
|
| +{
|
| + __rdstate_ |= failbit;
|
| +#ifndef _LIBCPP_NO_EXCEPTIONS
|
| + if (__exceptions_ & failbit)
|
| + throw;
|
| +#endif // _LIBCPP_NO_EXCEPTIONS
|
| +}
|
| +
|
| +bool
|
| +ios_base::sync_with_stdio(bool sync)
|
| +{
|
| + static bool previous_state = true;
|
| + bool r = previous_state;
|
| + previous_state = sync;
|
| + return r;
|
| +}
|
| +
|
| +_LIBCPP_END_NAMESPACE_STD
|
|
|
| Property changes on: third_party/libc++/src/ios.cpp
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|