gecko/build/stdc++compat.cpp

157 lines
5.9 KiB
C++

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is a hack to avoid dependencies on recent libstdc++.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Mike Hommey <mh@glandium.org>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include <ostream>
#include <istream>
#include <string>
/* GLIBCXX_3.4.8 is from gcc 4.1.1 (111691)
GLIBCXX_3.4.9 is from gcc 4.2.0 (111690)
GLIBCXX_3.4.10 is from gcc 4.3.0 (126287)
GLIBCXX_3.4.11 is from gcc 4.4.0 (133006)
GLIBCXX_3.4.12 is from gcc 4.4.1 (147138)
GLIBCXX_3.4.13 is from gcc 4.4.2 (151127)
GLIBCXX_3.4.14 is from gcc 4.5.0 (151126)
GLIBCXX_3.4.15 is from gcc 4.6.0 (160071)
GLIBCXX_3.4.16 is form gcc 4.6.1 (172240) */
#define GLIBCXX_VERSION(a, b, c) (((a) << 16) | ((b) << 8) | (c))
namespace std {
#if MOZ_LIBSTDCXX_VERSION >= GLIBCXX_VERSION(3, 4, 9)
/* Instantiate these templates to avoid GLIBCXX_3.4.9 symbol versions */
template ostream& ostream::_M_insert(double);
template ostream& ostream::_M_insert(long);
template ostream& ostream::_M_insert(unsigned long);
template ostream& __ostream_insert(ostream&, const char*, streamsize);
template istream& istream::_M_extract(double&);
#endif
#if MOZ_LIBSTDCXX_VERSION >= GLIBCXX_VERSION(3, 4, 14)
/* Instantiate these templates to avoid GLIBCXX_3.4.14 symbol versions
* depending on optimization level */
template char *string::_S_construct_aux_2(size_type, char, allocator<char> const&);
#ifdef _GLIBCXX_USE_WCHAR_T
template wchar_t *wstring::_S_construct_aux_2(size_type, wchar_t, allocator<wchar_t> const&);
#endif /* _GLIBCXX_USE_WCHAR_T */
#ifdef __GXX_EXPERIMENTAL_CXX0X__
template string::basic_string(string&&);
template string& string::operator=(string&&);
template wstring::basic_string(wstring&&);
template wstring& wstring::operator=(wstring&&);
template wstring& wstring::assign(wstring&&);
#endif /* __GXX_EXPERIMENTAL_CXX0X__ */
#endif /* (__GNUC__ == 4) && (__GNUC_MINOR__ >= 5) */
}
namespace std __attribute__((visibility("default"))) {
#if MOZ_LIBSTDCXX_VERSION >= GLIBCXX_VERSION(3, 4, 14)
/* Hack to avoid GLIBCXX_3.4.14 symbol versions */
struct _List_node_base
{
void hook(_List_node_base * const __position) throw ();
void unhook() throw ();
void transfer(_List_node_base * const __first,
_List_node_base * const __last) throw();
/* Hack to avoid GLIBCXX_3.4.15 symbol versions */
#if MOZ_LIBSTDCXX_VERSION >= GLIBCXX_VERSION(3, 4, 15)
static void swap(_List_node_base& __x, _List_node_base& __y) throw ();
};
namespace __detail {
struct _List_node_base
{
#endif
void _M_hook(_List_node_base * const __position) throw ();
void _M_unhook() throw ();
void _M_transfer(_List_node_base * const __first,
_List_node_base * const __last) throw();
#if MOZ_LIBSTDCXX_VERSION >= GLIBCXX_VERSION(3, 4, 15)
static void swap(_List_node_base& __x, _List_node_base& __y) throw ();
#endif
};
/* The functions actually have the same implementation */
void
_List_node_base::_M_hook(_List_node_base * const __position) throw ()
{
((std::_List_node_base *)this)->hook((std::_List_node_base * const) __position);
}
void
_List_node_base::_M_unhook() throw ()
{
((std::_List_node_base *)this)->unhook();
}
void
_List_node_base::_M_transfer(_List_node_base * const __first,
_List_node_base * const __last) throw ()
{
((std::_List_node_base *)this)->transfer((std::_List_node_base * const)__first,
(std::_List_node_base * const)__last);
}
#if MOZ_LIBSTDCXX_VERSION >= GLIBCXX_VERSION(3, 4, 15)
void
_List_node_base::swap(_List_node_base& __x, _List_node_base& __y) throw ()
{
std::_List_node_base::swap(*((std::_List_node_base *) &__x),
*((std::_List_node_base *) &__y));
}
}
#endif
#endif /*MOZ_LIBSTDCXX_VERSION >= GLIBCXX_VERSION(3, 4, 14)*/
#if MOZ_LIBSTDCXX_VERSION >= GLIBCXX_VERSION(3, 4, 11)
/* Hack to avoid GLIBCXX_3.4.11 symbol versions
An inline definition of ctype<char>::_M_widen_init() used to be in
locale_facets.h before GCC 4.4, but moved out of headers in more
recent versions.
It is actually safe to make it do nothing. */
void ctype<char>::_M_widen_init() const {}
#endif
}