gecko-dev/build/unix/stdc++compat/stdc++compat.cpp

179 lines
6.1 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <ostream>
#include <istream>
#include <string>
#include <stdarg.h>
#include <stdio.h>
#include <mozilla/Assertions.h>
/* 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 from gcc 4.6.1 (172240)
GLIBCXX_3.4.17 is from gcc 4.7.0 (174383)
GLIBCXX_3.4.18 is from gcc 4.8.0 (190787)
GLIBCXX_3.4.19 is from gcc 4.8.1 (199309)
GLIBCXX_3.4.20 is from gcc 4.9.0 (199307) */
#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::_M_insert(long long);
template ostream& ostream::_M_insert(unsigned long long);
template ostream& ostream::_M_insert(bool);
template ostream& ostream::_M_insert(const void*);
template ostream& __ostream_insert(ostream&, const char*, streamsize);
template istream& istream::_M_extract(double&);
template istream& istream::_M_extract(float&);
template istream& istream::_M_extract(unsigned int&);
template istream& istream::_M_extract(unsigned long&);
template istream& istream::_M_extract(unsigned short&);
template istream& istream::_M_extract(unsigned long long&);
#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 string& string::assign(string&&);
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();
void reverse() 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();
void _M_reverse() 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);
}
void
_List_node_base::_M_reverse() throw ()
{
((std::_List_node_base *)this)->reverse();
}
#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
#if MOZ_LIBSTDCXX_VERSION >= GLIBCXX_VERSION(3, 4, 20)
/* We shouldn't be throwing exceptions at all, but it sadly turns out
we call STL (inline) functions that do. */
void __throw_out_of_range_fmt(char const* fmt, ...)
{
va_list ap;
char buf[1024]; // That should be big enough.
va_start(ap, fmt);
vsnprintf(buf, sizeof(buf), fmt, ap);
buf[sizeof(buf) - 1] = 0;
va_end(ap);
__throw_range_error(buf);
}
#endif
}
#if MOZ_LIBSTDCXX_VERSION >= GLIBCXX_VERSION(3, 4, 20)
/* Technically, this symbol is not in GLIBCXX_3.4.20, but in CXXABI_1.3.8,
but that's equivalent, version-wise. Those calls are added by the compiler
itself on `new Class[n]` calls. */
extern "C" void
__cxa_throw_bad_array_new_length()
{
MOZ_CRASH();
}
#endif