Index: third_party/libcxx/src/ios.cpp |
=================================================================== |
--- third_party/libcxx/src/ios.cpp (revision 0) |
+++ third_party/libcxx/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/libcxx/src/ios.cpp |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |