libstdc++-v3/src/c++11/compatibility-ldbl-alt128-cxx11.cc

   1 // Compatibility symbols for alternate 128-bit long-double format -*- C++ -*-
   2
   3 // Copyright (C) 2018-2023 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 #define _GLIBCXX_USE_CXX11_ABI 1
  26 #include <locale>
  27
  28 #ifdef _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT
  29
  30 #if !defined(_GLIBCXX_USE_DUAL_ABI)
  31 #error "compatibility-ldbl-alt128-cxx11.cc must only be compiled when dual ABI is enabled"
  32 #endif
  33
  34 #if ! defined __LONG_DOUBLE_IBM128__ && ! defined __LONG_DOUBLE_IEEE128__
  35 #error "compatibility-ldbl-alt128.cc must only be compiled for 128-bit long double"
  36 #endif
  37
  38 #define C char
  39 #define C_is_char
  40 #include "locale-inst-monetary.h"
  41
  42 #ifdef _GLIBCXX_USE_WCHAR_T
  43 # undef C
  44 # undef C_is_char
  45 # define C wchar_t
  46 # include "locale-inst-monetary.h"
  47 #endif
  48
  49 #include <functional>
  50 namespace std _GLIBCXX_VISIBILITY(default)
  51 {
  52 _GLIBCXX_BEGIN_NAMESPACE_VERSION
  53
  54   namespace
  55   {
  56     alignas(money_get<char>) char money_get_c[sizeof(money_get<char>)];
  57     alignas(money_put<char>) char money_put_c[sizeof(money_put<char>)];
  58 #ifdef _GLIBCXX_USE_WCHAR_T
  59     alignas(money_get<wchar_t>) char money_get_w[sizeof(money_get<wchar_t>)];
  60     alignas(money_put<wchar_t>) char money_put_w[sizeof(money_put<wchar_t>)];
  61 #endif
  62
  63   template<typename Facet>
  64     void
  65     init_facet(function<void(const locale::id*, const locale::facet*)>& func,
  66                Facet* facet)
  67     {
  68       func(&Facet::id, facet);
  69     }
  70
  71   } // namespace
  72
  73   template class function<void(const locale::id*, const locale::facet*)>;
  74
  75   void
  76   __locale_Impl_init_extra_ldbl128(
  77       function<void(const locale::id*, const locale::facet*)> f,
  78       bool classic)
  79   {
  80     if (classic)
  81       {
  82         init_facet(f, new (&money_get_c) money_get<char>(1));
  83         init_facet(f, new (&money_put_c) money_put<char>(1));
  84 #ifdef _GLIBCXX_USE_WCHAR_T
  85         init_facet(f, new (&money_get_w) money_get<wchar_t>(1));
  86         init_facet(f, new (&money_put_w) money_put<wchar_t>(1));
  87 #endif
  88       }
  89     else
  90       {
  91         init_facet(f, new money_get<char>);
  92         init_facet(f, new money_put<char>);
  93 #ifdef _GLIBCXX_USE_WCHAR_T
  94         init_facet(f, new money_get<wchar_t>);
  95         init_facet(f, new money_put<wchar_t>);
  96 #endif
  97       }
  98   }
  99
 100 _GLIBCXX_END_NAMESPACE_VERSION
 101 } // namespace
 102 #endif