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-rw-r--r--contrib/libstdc++/include/bits/basic_ios.tcc165
1 files changed, 73 insertions, 92 deletions
diff --git a/contrib/libstdc++/include/bits/basic_ios.tcc b/contrib/libstdc++/include/bits/basic_ios.tcc
index 1c9cd3b7256a..fcb4b02493f6 100644
--- a/contrib/libstdc++/include/bits/basic_ios.tcc
+++ b/contrib/libstdc++/include/bits/basic_ios.tcc
@@ -1,4 +1,4 @@
-// basic_ios locale and locale-related member functions -*- C++ -*-
+// basic_ios member functions -*- C++ -*-
// Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc.
//
@@ -27,8 +27,8 @@
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
-#ifndef _CPP_BITS_BASICIOS_TCC
-#define _CPP_BITS_BASICIOS_TCC 1
+#ifndef _BASIC_IOS_TCC
+#define _BASIC_IOS_TCC 1
#pragma GCC system_header
@@ -37,17 +37,17 @@ namespace std
template<typename _CharT, typename _Traits>
void
basic_ios<_CharT, _Traits>::clear(iostate __state)
- {
+ {
if (this->rdbuf())
_M_streambuf_state = __state;
else
_M_streambuf_state = __state | badbit;
- if ((this->rdstate() & this->exceptions()))
- __throw_ios_failure("basic_ios::clear(iostate) caused exception");
+ if (this->exceptions() & this->rdstate())
+ __throw_ios_failure(__N("basic_ios::clear"));
}
-
+
template<typename _CharT, typename _Traits>
- basic_streambuf<_CharT, _Traits>*
+ basic_streambuf<_CharT, _Traits>*
basic_ios<_CharT, _Traits>::rdbuf(basic_streambuf<_CharT, _Traits>* __sb)
{
basic_streambuf<_CharT, _Traits>* __old = _M_streambuf;
@@ -60,74 +60,66 @@ namespace std
basic_ios<_CharT, _Traits>&
basic_ios<_CharT, _Traits>::copyfmt(const basic_ios& __rhs)
{
- // Per 27.1.1.1, do not call imbue, yet must trash all caches
- // associated with imbue()
-
- // Alloc any new word array first, so if it fails we have "rollback".
- _Words* __words = (__rhs._M_word_size <= _S_local_word_size) ?
- _M_local_word : new _Words[__rhs._M_word_size];
-
- // Bump refs before doing callbacks, for safety.
- _Callback_list* __cb = __rhs._M_callbacks;
- if (__cb)
- __cb->_M_add_reference();
- _M_call_callbacks(erase_event);
- if (_M_word != _M_local_word)
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // 292. effects of a.copyfmt (a)
+ if (this != &__rhs)
{
- delete [] _M_word;
- _M_word = 0;
+ // Per 27.1.1, do not call imbue, yet must trash all caches
+ // associated with imbue()
+
+ // Alloc any new word array first, so if it fails we have "rollback".
+ _Words* __words = (__rhs._M_word_size <= _S_local_word_size) ?
+ _M_local_word : new _Words[__rhs._M_word_size];
+
+ // Bump refs before doing callbacks, for safety.
+ _Callback_list* __cb = __rhs._M_callbacks;
+ if (__cb)
+ __cb->_M_add_reference();
+ _M_call_callbacks(erase_event);
+ if (_M_word != _M_local_word)
+ {
+ delete [] _M_word;
+ _M_word = 0;
+ }
+ _M_dispose_callbacks();
+
+ // NB: Don't want any added during above.
+ _M_callbacks = __cb;
+ for (int __i = 0; __i < __rhs._M_word_size; ++__i)
+ __words[__i] = __rhs._M_word[__i];
+ if (_M_word != _M_local_word)
+ {
+ delete [] _M_word;
+ _M_word = 0;
+ }
+ _M_word = __words;
+ _M_word_size = __rhs._M_word_size;
+
+ this->flags(__rhs.flags());
+ this->width(__rhs.width());
+ this->precision(__rhs.precision());
+ this->tie(__rhs.tie());
+ this->fill(__rhs.fill());
+ _M_ios_locale = __rhs.getloc();
+ _M_cache_locale(_M_ios_locale);
+
+ _M_call_callbacks(copyfmt_event);
+
+ // The next is required to be the last assignment.
+ this->exceptions(__rhs.exceptions());
}
- _M_dispose_callbacks();
-
- _M_callbacks = __cb; // NB: Don't want any added during above.
- for (int __i = 0; __i < __rhs._M_word_size; ++__i)
- __words[__i] = __rhs._M_word[__i];
- if (_M_word != _M_local_word)
- {
- delete [] _M_word;
- _M_word = 0;
- }
- _M_word = __words;
- _M_word_size = __rhs._M_word_size;
-
- this->flags(__rhs.flags());
- this->width(__rhs.width());
- this->precision(__rhs.precision());
- this->tie(__rhs.tie());
- this->fill(__rhs.fill());
- _M_ios_locale = __rhs.getloc();
-
- // This removes the link to __rhs locale cache
- _M_call_callbacks(copyfmt_event);
-
- _M_cache_locale(_M_ios_locale);
-
-
- // The next is required to be the last assignment.
- this->exceptions(__rhs.exceptions());
-
return *this;
}
template<typename _CharT, typename _Traits>
char
basic_ios<_CharT, _Traits>::narrow(char_type __c, char __dfault) const
- {
- char __ret = __dfault;
- if (_M_check_facet(_M_fctype))
- __ret = _M_fctype->narrow(__c, __dfault);
- return __ret;
- }
+ { return __check_facet(_M_ctype).narrow(__c, __dfault); }
template<typename _CharT, typename _Traits>
_CharT
basic_ios<_CharT, _Traits>::widen(char __c) const
- {
- char_type __ret = char_type();
- if (_M_check_facet(_M_fctype))
- __ret = _M_fctype->widen(__c);
- return __ret;
- }
+ { return __check_facet(_M_ctype).widen(__c); }
// Locales:
template<typename _CharT, typename _Traits>
@@ -148,8 +140,9 @@ namespace std
{
// NB: This may be called more than once on the same object.
ios_base::_M_init();
+
+ // Cache locale data and specific facets used by iostreams.
_M_cache_locale(_M_ios_locale);
- _M_tie = 0;
// NB: The 27.4.4.1 Postconditions Table specifies requirements
// after basic_ios::init() has been called. As part of this,
@@ -166,6 +159,7 @@ namespace std
_M_fill = _CharT();
_M_fill_init = false;
+ _M_tie = 0;
_M_exception = goodbit;
_M_streambuf = __sb;
_M_streambuf_state = __sb ? goodbit : badbit;
@@ -176,44 +170,31 @@ namespace std
basic_ios<_CharT, _Traits>::_M_cache_locale(const locale& __loc)
{
if (__builtin_expect(has_facet<__ctype_type>(__loc), true))
- _M_fctype = &use_facet<__ctype_type>(__loc);
- else
- _M_fctype = 0;
- if (__builtin_expect(has_facet<__numput_type>(__loc), true))
- _M_fnumput = &use_facet<__numput_type>(__loc);
+ _M_ctype = &use_facet<__ctype_type>(__loc);
else
- _M_fnumput = 0;
- if (__builtin_expect(has_facet<__numget_type>(__loc), true))
- _M_fnumget = &use_facet<__numget_type>(__loc);
+ _M_ctype = 0;
+
+ if (__builtin_expect(has_facet<__num_put_type>(__loc), true))
+ _M_num_put = &use_facet<__num_put_type>(__loc);
else
- _M_fnumget = 0;
- }
+ _M_num_put = 0;
-#if 1
- // XXX GLIBCXX_ABI Deprecated, compatibility only.
- template<typename _CharT, typename _Traits>
- void
- basic_ios<_CharT, _Traits>::_M_cache_facets(const locale& __loc)
- {
- if (__builtin_expect(has_facet<__ctype_type>(__loc), true))
- _M_fctype = &use_facet<__ctype_type>(__loc);
- if (__builtin_expect(has_facet<__numput_type>(__loc), true))
- _M_fnumput = &use_facet<__numput_type>(__loc);
- if (__builtin_expect(has_facet<__numget_type>(__loc), true))
- _M_fnumget = &use_facet<__numget_type>(__loc);
+ if (__builtin_expect(has_facet<__num_get_type>(__loc), true))
+ _M_num_get = &use_facet<__num_get_type>(__loc);
+ else
+ _M_num_get = 0;
}
-#endif
// Inhibit implicit instantiations for required instantiations,
- // which are defined via explicit instantiations elsewhere.
+ // which are defined via explicit instantiations elsewhere.
// NB: This syntax is a GNU extension.
-#if _GLIBCPP_EXTERN_TEMPLATE
+#if _GLIBCXX_EXTERN_TEMPLATE
extern template class basic_ios<char>;
-#ifdef _GLIBCPP_USE_WCHAR_T
+#ifdef _GLIBCXX_USE_WCHAR_T
extern template class basic_ios<wchar_t>;
#endif
#endif
} // namespace std
-#endif
+#endif
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