OpenE2K
/
gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

ios_base.h (ios_base::_M_getloc): Return reference to the imbued locale. 

2003-06-26  Benjamin Kosnik  <bkoz@redhat.com>

	* include/bits/ios_base.h (ios_base::_M_getloc): Return reference
	to the imbued locale.
	* include/bits/locale_facets.tcc (num_put::_M_convert_int): Use
	_M_getloc.
	(num_put::_M_convert_float): Use.

2003-06-26  Benjamin Kosnik  <bkoz@redhat.com>
	    Jerry Quinn  <jlquinn@optonline.net>

	* config/linker-map.gnu: Add __numpunct_cache.
	* config/locale/gnu/numeric_members.cc
	(numpunct::_M_initialize_numpunct): Account for _M_data, fill in
	all elements for "C" locale.
	(numpunct::~numpunct): Delete _M_data.
	* config/locale/generic/numeric_members.cc: Same.
	* include/bits/basic_ios.tcc
	(basic_ios::init): Remove __locale_cache bits.
	(basic_ios::_M_cache_locale): Same.
	* include/bits/ios_base.h: Same. Tweaks.
	* include/bits/locale_classes.h: Tweaks. Reorder classes.
	(__use_cache): Make friends with _Impl, locale.
	(_Impl::_M_caches): Add.
	(_Impl::_M_install_cache): Add.
	* include/bits/locale_facets.h (__numpunct_cache): New.
	(numpunct): Encapsulate data members in __numpunct_cache member,
	_M_data. Adjust virtuals.
	(numpunct::numpunct): New ctor for the same.
	(__locale_cache_base): Remove.
	(__locale_cache): Remove.
	* include/bits/locale_facets.tcc (__use_cache): New function,
	specializations.
	(num_put::_M_convert_int, _M_convert_float, do_put): Use it.
	* src/globals.cc: Add cache_vec, numpunct_cache_c, numpunct_cache_w.
	* src/ios.cc (ios_base::ios_base): Remove __locale_cache.
	* src/locale-inst.cc: Same. Add __numpunct_cache.
	* src/locale.cc: Tweak inlines.
	(__use_cache): Define specializations.
	* src/localename.cc: Use global bits.
	(_Impl::~Impl): Deal with __numpunct_cache destruction.
	(_Impl::_Impl): Same. Pre-cache standard numpunct facets.
	(_Impl::_M_init_facet): Take into account __numpunct_cache.
	* testsuite/27_io/ios_base/cons/assign_neg.cc: Update line numbers.
	* testsuite/27_io/ios_base/cons/copy_neg.cc: Same.

Co-Authored-By: Jerry Quinn <jlquinn@optonline.net>

From-SVN: r68558
This commit is contained in:
Benjamin Kosnik 2003-06-27 07:25:38 +00:00 committed by Benjamin Kosnik
parent d51d146fb0
commit 215f9e283a
16 changed files with 621 additions and 316 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,49 @@
2003-06-26 Benjamin Kosnik <bkoz@redhat.com>
* include/bits/ios_base.h (ios_base::_M_getloc): Return reference
to the imbued locale.
* include/bits/locale_facets.tcc (num_put::_M_convert_int): Use
_M_getloc.
(num_put::_M_convert_float): Use.
2003-06-26 Benjamin Kosnik <bkoz@redhat.com>
Jerry Quinn <jlquinn@optonline.net>
* config/linker-map.gnu: Add __numpunct_cache.
* config/locale/gnu/numeric_members.cc
(numpunct::_M_initialize_numpunct): Account for _M_data, fill in
all elements for "C" locale.
(numpunct::~numpunct): Delete _M_data.
* config/locale/generic/numeric_members.cc: Same.
* include/bits/basic_ios.tcc
(basic_ios::init): Remove __locale_cache bits.
(basic_ios::_M_cache_locale): Same.
* include/bits/ios_base.h: Same. Tweaks.
* include/bits/locale_classes.h: Tweaks. Reorder classes.
(__use_cache): Make friends with _Impl, locale.
(_Impl::_M_caches): Add.
(_Impl::_M_install_cache): Add.
* include/bits/locale_facets.h (__numpunct_cache): New.
(numpunct): Encapsulate data members in __numpunct_cache member,
_M_data. Adjust virtuals.
(numpunct::numpunct): New ctor for the same.
(__locale_cache_base): Remove.
(__locale_cache): Remove.
* include/bits/locale_facets.tcc (__use_cache): New function,
specializations.
(num_put::_M_convert_int, _M_convert_float, do_put): Use it.
* src/globals.cc: Add cache_vec, numpunct_cache_c, numpunct_cache_w.
* src/ios.cc (ios_base::ios_base): Remove __locale_cache.
* src/locale-inst.cc: Same. Add __numpunct_cache.
* src/locale.cc: Tweak inlines.
(__use_cache): Define specializations.
* src/localename.cc: Use global bits.
(_Impl::~Impl): Deal with __numpunct_cache destruction.
(_Impl::_Impl): Same. Pre-cache standard numpunct facets.
(_Impl::_M_init_facet): Take into account __numpunct_cache.
* testsuite/27_io/ios_base/cons/assign_neg.cc: Update line numbers.
* testsuite/27_io/ios_base/cons/copy_neg.cc: Same.
2003-06-26 Nathan C. Myers <ncm-nospam@cantrip.org>
Paolo Carlini <pcarlini@unitus.it>

3
libstdc++-v3/config/linker-map.gnu
View File

@ -55,7 +55,8 @@ GLIBCPP_3.4 {
std::__num_base::_S_format_float*;
std::__num_base::_S_format_int*;
std::__num_base::_S_atoms_in;
std::__num_base::_S_atoms_out
std::__num_base::_S_atoms_out;
std::__numpunct_cache*;
};
# Names not in an 'extern' block are mangled names.

62
libstdc++-v3/config/locale/generic/numeric_members.cc
View File

@ -1,6 +1,6 @@
// std::numpunct implementation details, generic version -*- C++ -*-
// Copyright (C) 2001, 2002 Free Software Foundation, Inc.
// Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
@ -42,16 +42,30 @@ namespace std
numpunct<char>::_M_initialize_numpunct(__c_locale)
{
// "C" locale
_M_decimal_point = '.';
_M_thousands_sep = ',';
_M_grouping = "";
_M_truename = "true";
_M_falsename = "false";
if (!_M_data)
_M_data = new __numpunct_cache<char>;
_M_data->_M_grouping = "";
_M_data->_M_use_grouping = false;
_M_data->_M_decimal_point = '.';
_M_data->_M_thousands_sep = ',';
for (size_t i = 0; i < __num_base::_S_oend; ++i)
_M_data->_M_atoms_out[i] = __num_base::_S_atoms_out[i];
_M_data->_M_atoms_out[__num_base::_S_oend] = wchar_t();
for (size_t i = 0; i < __num_base::_S_iend; ++i)
_M_data->_M_atoms_in[i] = __num_base::_S_atoms_in[i];
_M_data->_M_atoms_in[__num_base::_S_iend] = wchar_t();
_M_data->_M_truename = "true";
_M_data->_M_falsename = "false";
}
template<>
numpunct<char>::~numpunct()
{ }
{ delete _M_data; }
#ifdef _GLIBCPP_USE_WCHAR_T
template<>
@ -59,15 +73,37 @@ namespace std
numpunct<wchar_t>::_M_initialize_numpunct(__c_locale)
{
// "C" locale
_M_decimal_point = L'.';
_M_thousands_sep = L',';
_M_grouping = "";
_M_truename = L"true";
_M_falsename = L"false";
if (!_M_data)
_M_data = new __numpunct_cache<wchar_t>;
_M_data->_M_grouping = "";
_M_data->_M_use_grouping = false;
_M_data->_M_decimal_point = L'.';
_M_data->_M_thousands_sep = L',';
// Use ctype::widen code without the facet...
unsigned char uc;
for (size_t i = 0; i < __num_base::_S_oend; ++i)
{
uc = static_cast<unsigned char>(__num_base::_S_atoms_out[i]);
_M_data->_M_atoms_out[i] = btowc(uc);
}
_M_data->_M_atoms_out[__num_base::_S_oend] = wchar_t();
for (size_t i = 0; i < __num_base::_S_iend; ++i)
{
uc = static_cast<unsigned char>(__num_base::_S_atoms_in[i]);
_M_data->_M_atoms_in[i] = btowc(uc);
}
_M_data->_M_atoms_in[__num_base::_S_iend] = wchar_t();
_M_data->_M_truename = L"true";
_M_data->_M_falsename = L"false";
}
template<>
numpunct<wchar_t>::~numpunct()
{ }
{ delete _M_data; }
#endif
}

90
libstdc++-v3/config/locale/gnu/numeric_members.cc
View File

@ -1,6 +1,6 @@
// std::numpunct implementation details, GNU version -*- C++ -*-
// Copyright (C) 2001, 2002 Free Software Foundation, Inc.
// Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
@ -42,70 +42,112 @@ namespace std
void
numpunct<char>::_M_initialize_numpunct(__c_locale __cloc)
{
if (!_M_data)
_M_data = new __numpunct_cache<char>;
if (!__cloc)
{
// "C" locale
_M_decimal_point = '.';
_M_thousands_sep = ',';
_M_grouping = "";
_M_data->_M_grouping = "";
_M_data->_M_use_grouping = false;
_M_data->_M_decimal_point = '.';
_M_data->_M_thousands_sep = ',';
for (size_t i = 0; i < __num_base::_S_oend; ++i)
_M_data->_M_atoms_out[i] = __num_base::_S_atoms_out[i];
_M_data->_M_atoms_out[__num_base::_S_oend] = wchar_t();
for (size_t i = 0; i < __num_base::_S_iend; ++i)
_M_data->_M_atoms_in[i] = __num_base::_S_atoms_in[i];
_M_data->_M_atoms_in[__num_base::_S_iend] = wchar_t();
}
else
{
// Named locale.
_M_decimal_point = *(__nl_langinfo_l(RADIXCHAR, __cloc));
_M_thousands_sep = *(__nl_langinfo_l(THOUSEP, __cloc));
// Check for NUL, which implies no grouping.
if (_M_thousands_sep == '\0')
_M_grouping = "";
_M_data->_M_decimal_point = *(__nl_langinfo_l(RADIXCHAR, __cloc));
_M_data->_M_thousands_sep = *(__nl_langinfo_l(THOUSEP, __cloc));
// Check for NULL, which implies no grouping.
if (_M_data->_M_thousands_sep == '\0')
_M_data->_M_grouping = "";
else
_M_grouping = __nl_langinfo_l(GROUPING, __cloc);
_M_data->_M_grouping = __nl_langinfo_l(GROUPING, __cloc);
}
// NB: There is no way to extact this info from posix locales.
// _M_truename = __nl_langinfo_l(YESSTR, __cloc);
_M_truename = "true";
_M_data->_M_truename = "true";
// _M_falsename = __nl_langinfo_l(NOSTR, __cloc);
_M_falsename = "false";
_M_data->_M_falsename = "false";
}
template<>
numpunct<char>::~numpunct()
{ }
{ delete _M_data; }
#ifdef _GLIBCPP_USE_WCHAR_T
template<>
void
numpunct<wchar_t>::_M_initialize_numpunct(__c_locale __cloc)
{
if (!_M_data)
_M_data = new __numpunct_cache<wchar_t>;
if (!__cloc)
{
// "C" locale
_M_decimal_point = L'.';
_M_thousands_sep = L',';
_M_grouping = "";
_M_data->_M_grouping = "";
_M_data->_M_use_grouping = false;
_M_data->_M_decimal_point = L'.';
_M_data->_M_thousands_sep = L',';
#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
__c_locale __old = __uselocale(_S_c_locale);
#endif
// Use ctype::widen code without the facet...
unsigned char uc;
for (size_t i = 0; i < __num_base::_S_oend; ++i)
{
uc = static_cast<unsigned char>(__num_base::_S_atoms_out[i]);
_M_data->_M_atoms_out[i] = btowc(uc);
}
_M_data->_M_atoms_out[__num_base::_S_oend] = wchar_t();
for (size_t i = 0; i < __num_base::_S_iend; ++i)
{
uc = static_cast<unsigned char>(__num_base::_S_atoms_in[i]);
_M_data->_M_atoms_in[i] = btowc(uc);
}
_M_data->_M_atoms_in[__num_base::_S_iend] = wchar_t();
#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
__uselocale(__old);
#endif
}
else
{
// Named locale.
union __s_and_w { const char *__s; unsigned int __w; } __u;
__u.__s = __nl_langinfo_l(_NL_NUMERIC_DECIMAL_POINT_WC, __cloc);
_M_decimal_point = static_cast<wchar_t>(__u.__w);
_M_data->_M_decimal_point = static_cast<wchar_t>(__u.__w);
__u.__s = __nl_langinfo_l(_NL_NUMERIC_THOUSANDS_SEP_WC, __cloc);
_M_thousands_sep = static_cast<wchar_t>(__u.__w);
if (_M_thousands_sep == L'\0')
_M_grouping = "";
_M_data->_M_thousands_sep = static_cast<wchar_t>(__u.__w);
if (_M_data->_M_thousands_sep == L'\0')
_M_data->_M_grouping = "";
else
_M_grouping = __nl_langinfo_l(GROUPING, __cloc);
_M_data->_M_grouping = __nl_langinfo_l(GROUPING, __cloc);
}
// NB: There is no way to extact this info from posix locales.
// _M_truename = __nl_langinfo_l(YESSTR, __cloc);
_M_truename = L"true";
_M_data->_M_truename = L"true";
// _M_falsename = __nl_langinfo_l(NOSTR, __cloc);
_M_falsename = L"false";
_M_data->_M_falsename = L"false";
}
template<>
numpunct<wchar_t>::~numpunct()
{ }
{ delete _M_data; }
#endif
}

8
libstdc++-v3/include/bits/basic_ios.tcc
View File

@ -138,12 +138,7 @@ namespace std
ios_base::_M_init();
// Cache locale data and specific facets used by iostreams.
if (!_M_locale_cache.get())
{
typedef __locale_cache<_CharT> __cache_t;
this->_M_locale_cache = auto_ptr<__locale_cache_base>(static_cast<__locale_cache_base*>(new __cache_t));
_M_cache_locale(_M_ios_locale);
}
_M_cache_locale(_M_ios_locale);
// NB: The 27.4.4.1 Postconditions Table specifies requirements
// after basic_ios::init() has been called. As part of this,
@ -176,7 +171,6 @@ namespace std
_M_num_put = &use_facet<__numput_type>(__loc);
if (__builtin_expect(has_facet<__numget_type>(__loc), true))
_M_num_get = &use_facet<__numget_type>(__loc);
static_cast<__locale_cache<_CharT>&>(_M_cache())._M_init(__loc);
}
// Inhibit implicit instantiations for required instantiations,

54
libstdc++-v3/include/bits/ios_base.h
View File

@ -146,8 +146,6 @@ namespace std
enum _Ios_Seekdir { _S_ios_seekdir_end = 1L << 16 };
class __locale_cache_base;
// 27.4.2 Class ios_base
/**
* @brief The very top of the I/O class hierarchy.
@ -212,47 +210,65 @@ namespace std
* - floatfield
*/
typedef _Ios_Fmtflags fmtflags;
/// Insert/extract @c bool in alphabetic rather than numeric format.
static const fmtflags boolalpha = fmtflags(__ios_flags::_S_boolalpha);
/// Converts integer input or generates integer output in decimal base.
static const fmtflags dec = fmtflags(__ios_flags::_S_dec);
/// Generate floating-point output in fixed-point notation.
static const fmtflags fixed = fmtflags(__ios_flags::_S_fixed);
/// Converts integer input or generates integer output in hexadecimal base.
static const fmtflags hex = fmtflags(__ios_flags::_S_hex);
/// Adds fill characters at a designated internal point in certain
/// generated output, or identical to @c right if no such point is
/// designated.
static const fmtflags internal = fmtflags(__ios_flags::_S_internal);
/// Adds fill characters on the right (final positions) of certain
/// generated output. (I.e., the thing you print is flush left.)
static const fmtflags left = fmtflags(__ios_flags::_S_left);
/// Converts integer input or generates integer output in octal base.
static const fmtflags oct = fmtflags(__ios_flags::_S_oct);
/// Adds fill characters on the left (initial positions) of certain
/// generated output. (I.e., the thing you print is flush right.)
static const fmtflags right = fmtflags(__ios_flags::_S_right);
/// Generates floating-point output in scientific notation.
static const fmtflags scientific = fmtflags(__ios_flags::_S_scientific);
/// Generates a prefix indicating the numeric base of generated integer
/// output.
static const fmtflags showbase = fmtflags(__ios_flags::_S_showbase);
/// Generates a decimal-point character unconditionally in generated
/// floating-point output.
static const fmtflags showpoint = fmtflags(__ios_flags::_S_showpoint);
/// Generates a + sign in non-negative generated numeric output.
static const fmtflags showpos = fmtflags(__ios_flags::_S_showpos);
/// Skips leading white space before certain input operations.
static const fmtflags skipws = fmtflags(__ios_flags::_S_skipws);
/// Flushes output after each output operation.
static const fmtflags unitbuf = fmtflags(__ios_flags::_S_unitbuf);
/// Replaces certain lowercase letters with their uppercase equivalents
/// in generated output.
static const fmtflags uppercase = fmtflags(__ios_flags::_S_uppercase);
/// A mask of left|right|internal. Useful for the 2-arg form of @c setf.
static const fmtflags adjustfield = fmtflags(__ios_flags::_S_adjustfield);
/// A mask of dec|oct|hex. Useful for the 2-arg form of @c setf.
static const fmtflags basefield = fmtflags(__ios_flags::_S_basefield);
/// A mask of scientific|fixed. Useful for the 2-arg form of @c setf.
static const fmtflags floatfield = fmtflags(__ios_flags::_S_floatfield);
@ -269,15 +285,19 @@ namespace std
* - goodbit
*/
typedef _Ios_Iostate iostate;
/// Indicates a loss of integrity in an input or output sequence (such
/// as an irrecoverable read error from a file).
static const iostate badbit = iostate(__ios_flags::_S_badbit);
/// Indicates that an input operation reached the end of an input sequence.
static const iostate eofbit = iostate(__ios_flags::_S_eofbit);
/// Indicates that an input operation failed to read the expected
/// characters, or that an output operation failed to generate the
/// desired characters.
static const iostate failbit = iostate(__ios_flags::_S_failbit);
/// Indicates all is well.
static const iostate goodbit = iostate(0);
@ -296,19 +316,25 @@ namespace std
* - trunc
*/
typedef _Ios_Openmode openmode;
/// Seek to end before each write.
static const openmode app = openmode(__ios_flags::_S_app);
/// Open and seek to end immediately after opening.
static const openmode ate = openmode(__ios_flags::_S_ate);
/// Perform input and output in binary mode (as opposed to text mode).
/// This is probably not what you think it is; see
/// http://gcc.gnu.org/onlinedocs/libstdc++/27_io/howto.html#3 and
/// http://gcc.gnu.org/onlinedocs/libstdc++/27_io/howto.html#7 for more.
static const openmode binary = openmode(__ios_flags::_S_bin);
/// Open for input. Default for @c ifstream and fstream.
static const openmode in = openmode(__ios_flags::_S_in);
/// Open for output. Default for @c ofstream and fstream.
static const openmode out = openmode(__ios_flags::_S_out);
/// Open for input. Default for @c ofstream.
static const openmode trunc = openmode(__ios_flags::_S_trunc);
@ -323,10 +349,13 @@ namespace std
* - end, equivalent to @c SEEK_END in the C standard library.
*/
typedef _Ios_Seekdir seekdir;
/// Request a seek relative to the beginning of the stream.
static const seekdir beg = seekdir(0);
/// Request a seek relative to the current position within the sequence.
static const seekdir cur = seekdir(SEEK_CUR);
/// Request a seek relative to the current end of the sequence.
static const seekdir end = seekdir(SEEK_END);
@ -432,10 +461,6 @@ namespace std
// Members for locale and locale caching.
locale _M_ios_locale;
// Cache of locale and facet data.
// Cast this to __locale_cache<_CharT>*
auto_ptr<__locale_cache_base> _M_locale_cache;
void
_M_init();
@ -604,7 +629,7 @@ namespace std
/**
* @brief Locale access
* @return The locale currently in effect.
* @return A copy of the current locale.
*
* If @c imbue(loc) has previously been called, then this function
* returns @c loc. Otherwise, it returns a copy of @c std::locale(),
@ -613,6 +638,16 @@ namespace std
inline locale
getloc() const { return _M_ios_locale; }
/**
* @brief Locale access
* @return A reference to the current locale.
*
* Like getloc above, but returns a reference instead of
* generating a copy.
*/
inline const locale&
_M_getloc() const { return _M_ios_locale; }
// [27.4.2.5] ios_base storage functions
/**
* @doctodo
@ -642,11 +677,6 @@ namespace std
return __word._M_pword;
}
// Access to the cache. Not safe to call until basic_ios::_M_init() has
// happened.
__locale_cache_base&
_M_cache() { return *_M_locale_cache; }
// Destructor
/**
* Destroys local storage and

227
libstdc++-v3/include/bits/locale_classes.h
View File

@ -71,7 +71,11 @@ namespace std
template<typename _Facet>
friend const _Facet&
use_facet(const locale&);
template<typename _Cache>
friend const _Cache&
__use_cache(const locale& __loc);
// Category values:
// NB: Order must match _S_facet_categories definition in locale.cc
static const category none = 0;
@ -141,6 +145,12 @@ namespace std
// Current global locale
static _Impl* _S_global;
// Names of underlying locale categories.
// NB: locale::global() has to know how to modify all the
// underlying categories, not just the ones required by the C++
// standard.
static const char** _S_categories;
// Number of standard categories. For C++, these categories are
// collate, ctype, monetary, numeric, time, and messages. These
// directly correspond to ISO C99 macros LC_COLLATE, LC_CTYPE,
@ -153,12 +163,6 @@ namespace std
// and LC_IDENTIFICATION.
static const size_t _S_categories_size = 6 + _GLIBCPP_NUM_CATEGORIES;
// Names of underlying locale categories.
// NB: locale::global() has to know how to modify all the
// underlying categories, not just the ones required by the C++
// standard.
static const char** _S_categories;
explicit
locale(_Impl*) throw();
@ -177,7 +181,107 @@ namespace std
};
// Implementation object for locale
// 22.1.1.1.2 Class locale::facet
class locale::facet
{
private:
friend class locale;
friend class locale::_Impl;
mutable _Atomic_word _M_references;
protected:
// Contains data from the underlying "C" library for the classic locale.
static __c_locale _S_c_locale;
// String literal for the name of the classic locale.
static char _S_c_name[2];
explicit
facet(size_t __refs = 0) throw() : _M_references(__refs ? 1 : 0)
{ }
virtual
~facet();
static void
_S_create_c_locale(__c_locale& __cloc, const char* __s,
__c_locale __old = 0);
static __c_locale
_S_clone_c_locale(__c_locale& __cloc);
static void
_S_destroy_c_locale(__c_locale& __cloc);
private:
inline void
_M_add_reference() const throw()
{ __atomic_add(&_M_references, 1); }
inline void
_M_remove_reference() const throw()
{
if (__exchange_and_add(&_M_references, -1) == 1)
{
try
{ delete this; }
catch (...)
{ }
}
}
facet(const facet&); // Not defined.
void
operator=(const facet&); // Not defined.
};
// 22.1.1.1.3 Class locale::id
class locale::id
{
private:
friend class locale;
friend class locale::_Impl;
template<typename _Facet>
friend const _Facet&
use_facet(const locale&);
template<typename _Facet>
friend bool
has_facet(const locale&) throw ();
// NB: There is no accessor for _M_index because it may be used
// before the constructor is run; the effect of calling a member
// function (even an inline) would be undefined.
mutable size_t _M_index;
// Last id number assigned.
static _Atomic_word _S_highwater;
void
operator=(const id&); // Not defined.
id(const id&); // Not defined.
public:
// NB: This class is always a static data member, and thus can be
// counted on to be zero-initialized.
id() { }
inline size_t
_M_id() const
{
if (!_M_index)
_M_index = 1 + __exchange_and_add(&_S_highwater, 1);
return _M_index - 1;
}
};
// Implementation object for locale.
class locale::_Impl
{
public:
@ -185,19 +289,24 @@ namespace std
friend class locale;
friend class locale::facet;
template<typename _Facet>
friend bool
has_facet(const locale&) throw();
template<typename _Facet>
friend const _Facet&
use_facet(const locale&);
template<typename _Facet>
friend bool
has_facet(const locale&) throw();
template<typename _Cache>
friend const _Cache&
__use_cache(const locale& __loc);
private:
// Data Members.
_Atomic_word _M_references;
const facet** _M_facets;
size_t _M_facets_size;
const facet** _M_caches;
char** _M_names;
static const locale::id* const _S_id_ctype[];
static const locale::id* const _S_id_numeric[];
@ -258,7 +367,14 @@ namespace std
template<typename _Facet>
inline void
_M_init_facet(_Facet* __facet)
{ _M_install_facet(&_Facet::id, __facet); }
{ _M_install_facet(&_Facet::id, __facet); }
void
_M_install_cache(const facet* __cache, size_t __index)
{
__cache->_M_add_reference();
_M_caches[__index] = __cache;
}
};
template<typename _Facet>
@ -274,93 +390,6 @@ namespace std
_M_impl->_M_names[__i] = __new;
}
}
// 22.1.1.1.2 Class locale::facet
class locale::facet
{
private:
friend class locale;
friend class locale::_Impl;
mutable _Atomic_word _M_references;
protected:
// Contains data from the underlying "C" library for the classic locale.
static __c_locale _S_c_locale;
// String literal for the name of the classic locale.
static char _S_c_name[2];
explicit
facet(size_t __refs = 0) throw();
virtual
~facet();
static void
_S_create_c_locale(__c_locale& __cloc, const char* __s,
__c_locale __old = 0);
static __c_locale
_S_clone_c_locale(__c_locale& __cloc);
static void
_S_destroy_c_locale(__c_locale& __cloc);
private:
void
_M_add_reference() const throw();
void
_M_remove_reference() const throw();
facet(const facet&); // Not defined.
void
operator=(const facet&); // Not defined.
};
// 22.1.1.1.3 Class locale::id
class locale::id
{
private:
friend class locale;
friend class locale::_Impl;
template<typename _Facet>
friend const _Facet&
use_facet(const locale&);
template<typename _Facet>
friend bool
has_facet(const locale&) throw ();
// NB: There is no accessor for _M_index because it may be used
// before the constructor is run; the effect of calling a member
// function (even an inline) would be undefined.
mutable size_t _M_index;
// Last id number assigned.
static _Atomic_word _S_highwater;
void
operator=(const id&); // Not defined.
id(const id&); // Not defined.
public:
// NB: This class is always a static data member, and thus can be
// counted on to be zero-initialized.
id();
inline size_t
_M_id() const
{
if (!_M_index)
_M_index = 1 + __exchange_and_add(&_S_highwater, 1);
return _M_index - 1;
}
};
} // namespace std
#endif

192
libstdc++-v3/include/bits/locale_facets.h
View File

@ -574,6 +574,96 @@ namespace std
_S_format_float(const ios_base& __io, char* __fptr, char __mod);
};
template<typename _CharT>
struct __numpunct_cache : public locale::facet
{
// Types:
typedef _CharT char_type;
const char* _M_grouping;
bool _M_use_grouping;
const char_type* _M_truename;
const char_type* _M_falsename;
char_type _M_decimal_point;
char_type _M_thousands_sep;
// A list of valid numeric literals for output: in the standard
// "C" locale, this is "-+xX0123456789abcdef0123456789ABCDEF".
// This array contains the chars after having been passed
// through the current locale's ctype<_CharT>.widen().
_CharT _M_atoms_out[__num_base::_S_oend + 1];
// A list of valid numeric literals for output: in the standard
// "C" locale, this is "0123456789eEabcdfABCDF"
// This array contains the chars after having been passed
// through the current locale's ctype<_CharT>.widen().
_CharT _M_atoms_in[__num_base::_S_iend + 1];
bool _M_allocated;
__numpunct_cache(size_t __refs = 0) : locale::facet(__refs),
_M_grouping(NULL), _M_use_grouping(false), _M_truename(NULL),
_M_falsename(NULL), _M_decimal_point(char_type()),
_M_thousands_sep(char_type()), _M_allocated(false)
{ }
~__numpunct_cache();
void
_M_cache(const locale& __loc);
};
template<typename _CharT>
void
__numpunct_cache<_CharT>::_M_cache(const locale& __loc)
{
const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
string __grouping = __np.grouping();
char* __group = new char[__grouping.length() + 1];
__grouping.copy(__group, __grouping.length());
__group[__grouping.length()] = _CharT();
_M_grouping = __group;
_M_use_grouping = __grouping.length() != 0 && __grouping.data()[0] != 0;
typedef basic_string<_CharT> __string_type;
__string_type __true = __np.truename();
_CharT* __truename = new _CharT[__true.length() + 1];
__true.copy(__truename, __true.length());
__truename[__true.length()] = _CharT();
_M_truename = __truename;
__string_type __false = __np.falsename();
_CharT* __falsename = new _CharT[__false.length() + 1];
__false.copy(__falsename, __false.length());
__falsename[__false.length()] = _CharT();
_M_falsename = __falsename;
_M_decimal_point = __np.decimal_point();
_M_thousands_sep = __np.thousands_sep();
const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
__ct.widen(__num_base::_S_atoms_out,
__num_base::_S_atoms_out + __num_base::_S_oend, _M_atoms_out);
_M_atoms_out[__num_base::_S_oend] = _CharT();
__ct.widen(__num_base::_S_atoms_in,
__num_base::_S_atoms_in + __num_base::_S_iend, _M_atoms_in);
_M_atoms_in[__num_base::_S_iend] = _CharT();
_M_allocated = true;
}
template<typename _CharT>
__numpunct_cache<_CharT>::~__numpunct_cache()
{
if (_M_allocated)
{
delete [] _M_grouping;
delete [] _M_truename;
delete [] _M_falsename;
}
}
template<typename _CharT>
class numpunct : public locale::facet
@ -582,23 +672,26 @@ namespace std
// Types:
typedef _CharT char_type;
typedef basic_string<_CharT> string_type;
typedef __numpunct_cache<_CharT> __cache_type;
static locale::id id;
private:
char_type _M_decimal_point;
char_type _M_thousands_sep;
const char* _M_grouping;
const char_type* _M_truename;
const char_type* _M_falsename;
protected:
__cache_type* _M_data;
public:
static locale::id id;
explicit
numpunct(size_t __refs = 0) : locale::facet(__refs)
numpunct(size_t __refs = 0) : facet(__refs), _M_data(NULL)
{ _M_initialize_numpunct(); }
explicit
numpunct(__c_locale __cloc, size_t __refs = 0) : locale::facet(__refs)
numpunct(__cache_type* __cache, size_t __refs = 0)
: facet(__refs), _M_data(__cache)
{ _M_initialize_numpunct(); }
explicit
numpunct(__c_locale __cloc, size_t __refs = 0)
: locale::facet(__refs), _M_data(NULL)
{ _M_initialize_numpunct(__cloc); }
char_type
@ -627,23 +720,23 @@ namespace std
virtual char_type
do_decimal_point() const
{ return _M_decimal_point; }
{ return _M_data->_M_decimal_point; }
virtual char_type
do_thousands_sep() const
{ return _M_thousands_sep; }
{ return _M_data->_M_thousands_sep; }
virtual string
do_grouping() const
{ return _M_grouping; }
{ return _M_data->_M_grouping; }
virtual string_type
do_truename() const
{ return _M_truename; }
{ return _M_data->_M_truename; }
virtual string_type
do_falsename() const
{ return _M_falsename; }
{ return _M_data->_M_falsename; }
// For use at construction time only.
void
@ -1928,75 +2021,6 @@ namespace std
inline _CharT
tolower(_CharT __c, const locale& __loc)
{ return use_facet<ctype<_CharT> >(__loc).tolower(__c); }
// __locale_cache holds the information extracted from the
// numpunct<> and moneypunct<> facets in a form optimized for
// parsing and formatting. It is stored as an
// auto_ptr<__locale_cache_base> member of ios_base and directly
// accessed via a casting to the derived __locale_cache<_CharT> in
// parameterized facets.
// The intent twofold: to avoid the costs of creating a locale
// object and to avoid calling the virtual functions in a locale's
// facet to look up data.
class __locale_cache_base
{
public:
virtual
~__locale_cache_base() { }
};
template<typename _CharT>
class __locale_cache : public __locale_cache_base
{
// Types:
typedef _CharT char_type;
typedef char_traits<_CharT> traits_type;
typedef basic_string<_CharT> string_type;
public:
// Data Members:
// A list of valid numeric literals: for the standard "C"
// locale, this is "-+xX0123456789abcdef0123456789ABCDEF". This
// array contains the chars after having been passed through the
// current locale's ctype<_CharT>.widen().
_CharT _M_literals[__num_base::_S_oend];
// The sign used to separate decimal values: for standard US
// locales, this would usually be: "." Abstracted from
// numpunct::decimal_point().
_CharT _M_decimal_point;
// The sign used to separate groups of digits into smaller
// strings that the eye can parse with less difficulty: for
// standard US locales, this would usually be: "," Abstracted
// from numpunct::thousands_sep().
_CharT _M_thousands_sep;
// However the US's "false" and "true" are translated. From
// numpunct::truename() and numpunct::falsename(), respectively.
string_type _M_truename;
string_type _M_falsename;
// If we are checking groupings. This should be equivalent to
// numpunct::groupings().size() != 0
bool _M_use_grouping;
// If we are using numpunct's groupings, this is the current
// grouping string in effect (from numpunct::grouping()).
string _M_grouping;
__locale_cache() : _M_use_grouping(false)
{ };
__locale_cache&
operator=(const __locale_cache& __lc);
// Make sure the cache is built before the first use.
void
_M_init(const locale&);
};
} // namespace std
#endif

61
libstdc++-v3/include/bits/locale_facets.tcc
View File

@ -86,6 +86,21 @@ namespace std
return static_cast<const _Facet&>(*__facets[__i]);
}
// Routine to access a cache for the facet. If the cache didn't
// exist before, it gets constructed on the fly.
template<typename _Facet>
const _Facet&
__use_cache(const locale& __loc);
template<>
const __numpunct_cache<char>&
__use_cache(const locale& __loc);
#ifdef _GLIBCPP_USE_WCHAR_T
template<>
const __numpunct_cache<wchar_t>&
__use_cache(const locale& __loc);
#endif
// Stage 1: Determine a conversion specifier.
template<typename _CharT, typename _InIter>
@ -768,11 +783,12 @@ namespace std
_M_convert_int(_OutIter __s, ios_base& __io, _CharT __fill,
_ValueT __v) const
{
typedef __locale_cache<_CharT> __cache_type;
__cache_type& __lc = static_cast<__cache_type&>(__io._M_cache());
_CharT* __lit = __lc._M_literals;
typedef typename numpunct<_CharT>::__cache_type __cache_type;
const locale& __loc = __io._M_getloc();
const __cache_type& __lc = __use_cache<__cache_type>(__loc);
const _CharT* __lit = __lc._M_atoms_out;
// Long enough to hold hex, dec, and octal representations.
// Long enough to hold hex, dec, and octal representations.
int __ilen = 4 * sizeof(_ValueT);
_CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
* __ilen));
@ -872,8 +888,9 @@ namespace std
else if (__prec < static_cast<streamsize>(0))
__prec = static_cast<streamsize>(6);
typedef __locale_cache<_CharT> __cache_type;
__cache_type& __lc = static_cast<__cache_type&>(__io._M_cache());
typedef typename numpunct<_CharT>::__cache_type __cache_type;
const locale& __loc = __io._M_getloc();
const __cache_type& __lc = __use_cache<__cache_type>(__loc);
// [22.2.2.2.2] Stage 1, numeric conversion to character.
int __len;
@ -918,7 +935,6 @@ namespace std
// [22.2.2.2.2] Stage 2, convert to char_type, using correct
// numpunct.decimal_point() values for '.' and adding grouping.
const locale __loc = __io.getloc();
const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
_CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
@ -974,8 +990,10 @@ namespace std
}
else
{
typedef __locale_cache<_CharT> __cache_type;
__cache_type& __lc = static_cast<__cache_type&>(__io._M_cache());
typedef typename numpunct<_CharT>::__cache_type __cache_type;
const locale& __loc = __io._M_getloc();
const __cache_type& __lc = __use_cache<__cache_type>(__loc);
typedef basic_string<_CharT> __string_type;
__string_type __name;
if (__v)
@ -2273,31 +2291,6 @@ namespace std
return __s;
}
// Generic definition, locale cache initialization.
template<typename _CharT>
void
__locale_cache<_CharT>::_M_init(const locale& __loc)
{
if (__builtin_expect(has_facet<numpunct<_CharT> >(__loc), true))
{
const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
_M_falsename = __np.falsename();
_M_truename = __np.truename();
_M_thousands_sep = __np.thousands_sep();
_M_decimal_point = __np.decimal_point();
_M_grouping = __np.grouping();
_M_use_grouping = _M_grouping.size() != 0
&& _M_grouping.data()[0] != 0;
}
if (__builtin_expect(has_facet<ctype<_CharT> >(__loc), true))
{
const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
__ct.widen(__num_base::_S_atoms_out,
__num_base::_S_atoms_out + __num_base::_S_oend,
_M_literals);
}
}
// Inhibit implicit instantiations for required instantiations,
// which are defined via explicit instantiations elsewhere.
// NB: This syntax is a GNU extension.

15
libstdc++-v3/src/globals.cc
View File

@ -127,6 +127,10 @@ namespace __gnu_cxx
__attribute__ ((aligned(__alignof__(locale::facet*))));
fake_facet_vec facet_vec[_GLIBCPP_NUM_FACETS];
typedef char fake_cache_vec[sizeof(locale::facet*)]
__attribute__ ((aligned(__alignof__(locale::facet*))));
fake_cache_vec cache_vec[_GLIBCPP_NUM_FACETS];
typedef char fake_ctype_c[sizeof(std::ctype<char>)]
__attribute__ ((aligned(__alignof__(std::ctype<char>))));
fake_ctype_c ctype_c;
@ -235,6 +239,17 @@ namespace __gnu_cxx
fake_messages_w messages_w;
#endif
// Storage for C locale caches
typedef char fake_locale_cache_c[sizeof(std::__numpunct_cache<char>)]
__attribute__ ((aligned(__alignof__(std::__numpunct_cache<char>))));
fake_locale_cache_c numpunct_cache_c;
#ifdef _GLIBCPP_USE_WCHAR_T
typedef char fake_locale_cache_w[sizeof(std::__numpunct_cache<wchar_t>)]
__attribute__ ((aligned(__alignof__(std::__numpunct_cache<wchar_t>))));
fake_locale_cache_w numpunct_cache_w;
#endif
// Globals for once-only runtime initialization of mutex objects. This
// allows static initialization of these objects on systems that need a
// function call to initialize a mutex. For example, see stl_threads.h.

4
libstdc++-v3/src/ios.cc
View File

@ -297,8 +297,8 @@ namespace std
return __old;
}
ios_base::ios_base() : _M_callbacks(0), _M_word_size(_S_local_word_size),
_M_word(_M_local_word), _M_locale_cache(0)
ios_base::ios_base()
: _M_callbacks(0), _M_word_size(_S_local_word_size), _M_word(_M_local_word)
{
// Do nothing: basic_ios::init() does it.
// NB: _M_callbacks and _M_word must be zero for non-initialized

4
libstdc++-v3/src/locale-inst.cc
View File

@ -45,7 +45,6 @@ namespace std
template class moneypunct_byname<char, true>;
template class money_get<char, istreambuf_iterator<char> >;
template class money_put<char, ostreambuf_iterator<char> >;
template class __locale_cache<char>;
#ifdef _GLIBCPP_USE_WCHAR_T
template class moneypunct<wchar_t, false>;
@ -54,11 +53,11 @@ namespace std
template class moneypunct_byname<wchar_t, true>;
template class money_get<wchar_t, istreambuf_iterator<wchar_t> >;
template class money_put<wchar_t, ostreambuf_iterator<wchar_t> >;
template class __locale_cache<wchar_t>;
#endif
// numpunct, numpunct_byname, num_get, and num_put
template class numpunct<char>;
template struct __numpunct_cache<char>;
template class numpunct_byname<char>;
template class num_get<char, istreambuf_iterator<char> >;
template class num_put<char, ostreambuf_iterator<char> >;
@ -102,6 +101,7 @@ namespace std
#ifdef _GLIBCPP_USE_WCHAR_T
template class numpunct<wchar_t>;
template struct __numpunct_cache<wchar_t>;
template class numpunct_byname<wchar_t>;
template class num_get<wchar_t, istreambuf_iterator<wchar_t> >;
template class num_put<wchar_t, ostreambuf_iterator<wchar_t> >;

53
libstdc++-v3/src/locale.cc
View File

@ -449,30 +449,37 @@ namespace std
locale::facet::
~facet() { }
locale::facet::
facet(size_t __refs) throw() : _M_references(__refs ? 1 : 0)
{ }
template<>
const __numpunct_cache<char>&
__use_cache(const locale& __loc)
{
size_t __i = numpunct<char>::id._M_id();
const locale::facet** __caches = __loc._M_impl->_M_caches;
if (!__caches[__i])
{
__numpunct_cache<char>* __tmp = new __numpunct_cache<char>;
__tmp->_M_cache(__loc);
__loc._M_impl->_M_install_cache(__tmp, __i);
}
return static_cast<const __numpunct_cache<char>&>(*__caches[__i]);
}
void
locale::facet::
_M_add_reference() const throw()
{ __atomic_add(&_M_references, 1); }
void
locale::facet::
_M_remove_reference() const throw()
{
if (__exchange_and_add(&_M_references, -1) == 1)
{
try
{ delete this; }
catch (...)
{ }
}
}
locale::id::id()
{ }
#ifdef _GLIBCPP_USE_WCHAR_T
template<>
const __numpunct_cache<wchar_t>&
__use_cache(const locale& __loc)
{
size_t __i = numpunct<wchar_t>::id._M_id();
const locale::facet** __caches = __loc._M_impl->_M_caches;
if (!__caches[__i])
{
__numpunct_cache<wchar_t>* __tmp = new __numpunct_cache<wchar_t>;
__tmp->_M_cache(__loc);
__loc._M_impl->_M_install_cache(__tmp, __i);
}
return static_cast<const __numpunct_cache<wchar_t>&>(*__caches[__i]);
}
#endif
// Definitions for static const data members of time_base
template<>

114
libstdc++-v3/src/localename.cc
View File

@ -69,6 +69,12 @@ namespace __gnu_cxx
extern time_put<wchar_t> time_put_w;
extern std::messages<wchar_t> messages_w;
#endif
extern locale::facet* cache_vec[_GLIBCPP_NUM_FACETS];
extern std::__numpunct_cache<char> numpunct_cache_c;
#ifdef _GLIBCPP_USE_WCHAR_T
extern std::__numpunct_cache<wchar_t> numpunct_cache_w;
#endif
} // namespace __gnu_cxx
namespace std
@ -83,6 +89,11 @@ namespace std
_M_facets[__i]->_M_remove_reference();
delete [] _M_facets;
for (size_t __i = 0; __i < _M_facets_size; ++__i)
if (_M_caches[__i])
_M_caches[__i]->_M_remove_reference();
delete [] _M_caches;
for (size_t __i = 0; __i < _S_categories_size; ++__i)
delete [] _M_names[__i];
delete [] _M_names;
@ -91,7 +102,7 @@ namespace std
// Clone existing _Impl object.
locale::_Impl::
_Impl(const _Impl& __imp, size_t __refs)
: _M_references(__refs), _M_facets_size(__imp._M_facets_size) // XXX
: _M_references(__refs), _M_facets_size(__imp._M_facets_size)
{
try
{
@ -111,6 +122,22 @@ namespace std
_M_facets[__i]->_M_add_reference();
}
try
{
_M_caches = new const facet*[_M_facets_size];
}
catch(...)
{
delete [] _M_caches;
__throw_exception_again;
}
for (size_t __i = 0; __i < _M_facets_size; ++__i)
{
_M_caches[__i] = __imp._M_caches[__i];
if (_M_caches[__i])
_M_caches[__i]->_M_add_reference();
}
try
{
_M_names = new char*[_S_categories_size];
@ -131,10 +158,10 @@ namespace std
// Construct named _Impl.
locale::_Impl::
_Impl(const char* __s, size_t __refs)
: _M_references(__refs), _M_facets_size(_GLIBCPP_NUM_FACETS)
: _M_references(__refs), _M_facets_size(_GLIBCPP_NUM_FACETS)
{
// Initialize the underlying locale model, which also checks
// to see if the given name is valid.
// Initialize the underlying locale model, which also checks to
// see if the given name is valid.
__c_locale __cloc;
locale::facet::_S_create_c_locale(__cloc, __s);
@ -150,6 +177,18 @@ namespace std
__throw_exception_again;
}
try
{
_M_caches = new const facet*[_M_facets_size];
for (size_t __i = 0; __i < _M_facets_size; ++__i)
_M_caches[__i] = 0;
}
catch(...)
{
delete [] _M_caches;
__throw_exception_again;
}
// Name all the categories.
try
{
@ -235,6 +274,10 @@ namespace std
for (size_t __i = 0; __i < _M_facets_size; ++__i)
_M_facets[__i] = 0;
_M_caches = new (&cache_vec) const facet*[_M_facets_size];
for (size_t __i = 0; __i < _M_facets_size; ++__i)
_M_caches[__i] = 0;
// Name all the categories.
_M_names = new (&name_vec) char*[_S_categories_size];
for (size_t __i = 0; __i < _S_categories_size; ++__i)
@ -252,7 +295,12 @@ namespace std
// destroyed.
_M_init_facet(new (&ctype_c) std::ctype<char>(0, false, 1));
_M_init_facet(new (&codecvt_c) codecvt<char, char, mbstate_t>(1));
_M_init_facet(new (&numpunct_c) numpunct<char>(1));
// Safe to cache this.
typedef __numpunct_cache<char> num_cache_c;
num_cache_c* __npc = new (&numpunct_cache_c) num_cache_c(2);
_M_init_facet(new (&numpunct_c) numpunct<char>(__npc, 1));
_M_init_facet(new (&num_get_c) num_get<char>(1));
_M_init_facet(new (&num_put_c) num_put<char>(1));
_M_init_facet(new (&collate_c) std::collate<char>(1));
@ -264,10 +312,15 @@ namespace std
_M_init_facet(new (&time_get_c) time_get<char>(1));
_M_init_facet(new (&time_put_c) time_put<char>(1));
_M_init_facet(new (&messages_c) std::messages<char>(1));
#ifdef _GLIBCPP_USE_WCHAR_T
_M_init_facet(new (&ctype_w) std::ctype<wchar_t>(1));
_M_init_facet(new (&codecvt_w) codecvt<wchar_t, char, mbstate_t>(1));
_M_init_facet(new (&numpunct_w) numpunct<wchar_t>(1));
typedef __numpunct_cache<wchar_t> num_cache_w;
num_cache_w* __npw = new (&numpunct_cache_w) num_cache_w(2);
_M_init_facet(new (&numpunct_w) numpunct<wchar_t>(__npw, 1));
_M_init_facet(new (&num_get_w) num_get<wchar_t>(1));
_M_init_facet(new (&num_put_w) num_put<wchar_t>(1));
_M_init_facet(new (&collate_w) std::collate<wchar_t>(1));
@ -280,6 +333,13 @@ namespace std
_M_init_facet(new (&time_put_w) time_put<wchar_t>(1));
_M_init_facet(new (&messages_w) std::messages<wchar_t>(1));
#endif
// This locale is safe to pre-cache, after all the facets have
// been installed.
_M_caches[numpunct<char>::id._M_id()] = __npc;
#ifdef _GLIBCPP_USE_WCHAR_T
_M_caches[numpunct<wchar_t>::id._M_id()] = __npw;
#endif
}
void
@ -336,18 +396,31 @@ namespace std
// Check size of facet vector to ensure adequate room.
if (__index > _M_facets_size - 1)
{
const facet** __old = _M_facets;
const facet** __new;
const size_t __new_size = __index + 4;
__new = new const facet*[__new_size];
// New facet array.
const facet** __oldf = _M_facets;
const facet** __newf;
__newf = new const facet*[__new_size];
for (size_t __i = 0; __i < _M_facets_size; ++__i)
__new[__i] = _M_facets[__i];
__newf[__i] = _M_facets[__i];
for (size_t __i2 = _M_facets_size; __i2 < __new_size; ++__i2)
__new[__i2] = 0;
__newf[__i2] = 0;
// New cache array.
const facet** __oldc = _M_caches;
const facet** __newc;
__newc = new const facet*[__new_size];
for (size_t __i = 0; __i < _M_facets_size; ++__i)
__newc[__i] = _M_caches[__i];
for (size_t __i2 = _M_facets_size; __i2 < __new_size; ++__i2)
__newc[__i2] = 0;
_M_facets_size = __new_size;
_M_facets = __new;
delete [] __old;
_M_facets = __newf;
_M_caches = __newc;
delete [] __oldf;
delete [] __oldc;
}
__fp->_M_add_reference();
@ -365,6 +438,21 @@ namespace std
// swanky-fresh _Impl.
_M_facets[__index] = __fp;
}
// Ideally, it would be nice to only remove the caches that
// are now incorrect. However, some of the caches depend on
// multiple facets, and we only know about one facet
// here. It's no great loss: the first use of the new facet
// will create a new, correctly cached facet anyway.
for (size_t __i = 0; __i < _M_facets_size; ++__i)
{
const facet* __cpr = _M_caches[__i];
if (__cpr)
{
__cpr->_M_remove_reference();
_M_caches[__i] = 0;
}
}
}
}
} // namespace std

2
libstdc++-v3/testsuite/27_io/ios_base/cons/assign_neg.cc
View File

@ -41,5 +41,5 @@ void test01()
io1 = io2;
}
// { dg-error "within this context" "" { target *-*-* } 41 }
// { dg-error "is private" "" { target *-*-* } 666 }
// { dg-error "is private" "" { target *-*-* } 696 }
// { dg-error "operator=" "" { target *-*-* } 0 }

2
libstdc++-v3/testsuite/27_io/ios_base/cons/copy_neg.cc
View File

@ -41,5 +41,5 @@ void test02()
test_base io2 = io1;
}
// { dg-error "within this context" "" { target *-*-* } 41 }
// { dg-error "is private" "" { target *-*-* } 663 }
// { dg-error "is private" "" { target *-*-* } 693 }
// { dg-error "copy constructor" "" { target *-*-* } 0 }