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-rw-r--r--libstdc++-v3/include/bits/locale_facets.tcc914
1 files changed, 636 insertions, 278 deletions
diff --git a/libstdc++-v3/include/bits/locale_facets.tcc b/libstdc++-v3/include/bits/locale_facets.tcc
index ce6f3d7d5ff..44b81433234 100644
--- a/libstdc++-v3/include/bits/locale_facets.tcc
+++ b/libstdc++-v3/include/bits/locale_facets.tcc
@@ -1,6 +1,6 @@
// Locale support -*- C++ -*-
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
@@ -36,13 +36,13 @@
#pragma GCC system_header
#include <cerrno>
-#include <clocale> // For localeconv
-#include <cstdlib> // For strof, strtold
-#include <cmath> // For ceil
-#include <cctype> // For isspace
-#include <limits> // For numeric_limits
+#include <clocale> // For localeconv
+#include <cstdlib> // For strof, strtold
+#include <cmath> // For ceil
+#include <cctype> // For isspace
+#include <limits> // For numeric_limits
+#include <typeinfo> // For bad_cast.
#include <bits/streambuf_iterator.h>
-#include <typeinfo> // For bad_cast.
namespace std
{
@@ -113,7 +113,7 @@ namespace std
}
// Next, strip leading zeros.
- const char_type __zero = __ctype.widen(_S_atoms[_M_zero]);
+ const char_type __zero = __ctype.widen(_S_atoms_in[_M_zero]);
bool __found_zero = false;
while (__traits_type::eq(__c, __zero) && __beg != __end)
{
@@ -122,14 +122,14 @@ namespace std
}
if (__found_zero)
{
- __xtrc += _S_atoms[_M_zero];
+ __xtrc += _S_atoms_in[_M_zero];
++__pos;
}
// Only need acceptable digits for floating point numbers.
const size_t __len = _M_E - _M_zero + 1;
char_type __watoms[__len];
- __ctype.widen(_S_atoms, _S_atoms + __len, __watoms);
+ __ctype.widen(_S_atoms_in, _S_atoms_in + __len, __watoms);
bool __found_dec = false;
bool __found_sci = false;
const char_type __dec = __np.decimal_point();
@@ -150,7 +150,7 @@ namespace std
{
// Try first for acceptable digit; record it if found.
++__pos;
- __xtrc += _S_atoms[__p - __watoms];
+ __xtrc += _S_atoms_in[__p - __watoms];
++__sep_pos;
__c = *(++__beg);
}
@@ -261,7 +261,7 @@ namespace std
}
// Next, strip leading zeros and check required digits for base formats.
- const char_type __zero = __ctype.widen(_S_atoms[_M_zero]);
+ const char_type __zero = __ctype.widen(_S_atoms_in[_M_zero]);
const char_type __x = __ctype.widen('x');
const char_type __X = __ctype.widen('X');
if (__base == 10)
@@ -274,7 +274,7 @@ namespace std
}
if (__found_zero)
{
- __xtrc += _S_atoms[_M_zero];
+ __xtrc += _S_atoms_in[_M_zero];
++__pos;
if (__basefield == 0)
{
@@ -296,7 +296,7 @@ namespace std
{
if (__traits_type::eq(__c, __zero) && __beg != __end)
{
- __xtrc += _S_atoms[_M_zero];
+ __xtrc += _S_atoms_in[_M_zero];
++__pos;
__c = *(++__beg);
if ((__traits_type::eq(__c, __x) || __traits_type::eq(__c, __X))
@@ -319,7 +319,7 @@ namespace std
// Extract.
char_type __watoms[_M_size];
- __ctype.widen(_S_atoms, _S_atoms + __len, __watoms);
+ __ctype.widen(_S_atoms_in, _S_atoms_in + __len, __watoms);
string __found_grouping;
const string __grouping = __np.grouping();
bool __check_grouping = __grouping.size();
@@ -333,7 +333,7 @@ namespace std
if (__p && !__traits_type::eq(__c, char_type()))
{
// Try first for acceptable digit; record it if found.
- __xtrc += _S_atoms[__p - __watoms];
+ __xtrc += _S_atoms_in[__p - __watoms];
++__pos;
++__sep_pos;
__c = *(++__beg);
@@ -606,14 +606,249 @@ namespace std
return __beg;
}
- // The following code uses snprintf (or sprintf(), when _GLIBCPP_USE_C99
- // is not defined) to convert floating point values for insertion into a
- // stream. An optimization would be to replace them with code that works
- // directly on a wide buffer and then use __pad to do the padding.
- // It would be good to replace them anyway to gain back the efficiency
- // that C++ provides by knowing up front the type of the values to insert.
- // Also, sprintf is dangerous since may lead to accidental buffer overruns.
- // This implementation follows the C++ standard fairly directly as
+ // For use by integer and floating-point types after they have been
+ // converted into a char_type string.
+ template<typename _CharT, typename _OutIter>
+ void
+ num_put<_CharT, _OutIter>::
+ _M_pad(_CharT __fill, streamsize __w, ios_base& __io,
+ _CharT* __new, const _CharT* __cs, int& __len) const
+ {
+ // [22.2.2.2.2] Stage 3.
+ // If necessary, pad.
+ __pad<_CharT, char_traits<_CharT> >::_S_pad(__io, __fill, __new, __cs,
+ __w, __len, true);
+ __len = static_cast<int>(__w);
+ }
+
+ // Forwarding functions to peel signed from unsigned integer types.
+ template<typename _CharT>
+ inline int
+ __int_to_char(_CharT* __out, const int __size, long __v,
+ const _CharT* __lit, ios_base::fmtflags __flags)
+ {
+ unsigned long __ul = static_cast<unsigned long>(__v);
+ bool __neg = false;
+ if (__v < 0)
+ {
+ __ul = -__ul;
+ __neg = true;
+ }
+ return __int_to_char(__out, __size, __ul, __lit, __flags, __neg);
+ }
+
+ template<typename _CharT>
+ inline int
+ __int_to_char(_CharT* __out, const int __size, unsigned long __v,
+ const _CharT* __lit, ios_base::fmtflags __flags)
+ { return __int_to_char(__out, __size, __v, __lit, __flags, false); }
+
+#ifdef _GLIBCPP_USE_LONG_LONG
+ template<typename _CharT>
+ inline int
+ __int_to_char(_CharT* __out, const int __size, long long __v,
+ const _CharT* __lit, ios_base::fmtflags __flags)
+ {
+ unsigned long long __ull = static_cast<unsigned long long>(__v);
+ bool __neg = false;
+ if (__v < 0)
+ {
+ __ull = -__ull;
+ __neg = true;
+ }
+ return __int_to_char(__out, __size, __ull, __lit, __flags, __neg);
+ }
+
+ template<typename _CharT>
+ inline int
+ __int_to_char(_CharT* __out, const int __size, unsigned long long __v,
+ const _CharT* __lit, ios_base::fmtflags __flags)
+ { return __int_to_char(__out, __size, __v, __lit, __flags, false); }
+#endif
+
+ template<typename _CharT, typename _ValueT>
+ int
+ __int_to_char(_CharT* __out, const int __size, _ValueT __v,
+ const _CharT* __lit, ios_base::fmtflags __flags, bool __neg)
+ {
+ // Don't write base if already 0.
+ const bool __showbase = (__flags & ios_base::showbase) && __v;
+ const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
+ _CharT* __buf = __out + __size - 1;
+ _CharT* __bufend = __out + __size;
+
+ if (__builtin_expect(__basefield == ios_base::oct, false))
+ {
+ // Octal.
+ do
+ {
+ *__buf-- = __lit[(__v & 0x7) + __num_base::_S_digits];
+ __v >>= 3;
+ }
+ while (__v != 0);
+ if (__showbase)
+ *__buf-- = __lit[__num_base::_S_digits];
+ }
+ else if (__builtin_expect(__basefield == ios_base::hex, false))
+ {
+ // Hex.
+ const bool __uppercase = __flags & ios_base::uppercase;
+ int __case_offset = __uppercase
+ ? __num_base::_S_udigits : __num_base::_S_digits;
+ do
+ {
+ *__buf-- = __lit[(__v & 0xf) + __case_offset];
+ __v >>= 4;
+ }
+ while (__v != 0);
+ if (__showbase)
+ {
+ // 'x' or 'X'
+ *__buf-- = __lit[__num_base::_S_x + __uppercase];
+ // '0'
+ *__buf-- = __lit[__num_base::_S_digits];
+ }
+ }
+ else
+ {
+ // Decimal.
+ do
+ {
+ *__buf-- = __lit[(__v % 10) + __num_base::_S_digits];
+ __v /= 10;
+ }
+ while (__v != 0);
+ if (__neg)
+ *__buf-- = __lit[__num_base::_S_minus];
+ else if (__flags & ios_base::showpos)
+ *__buf-- = __lit[__num_base::_S_plus];
+ }
+ int __ret = __bufend - __buf - 1;
+ return __ret;
+ }
+
+ template<typename _CharT, typename _OutIter>
+ void
+ num_put<_CharT, _OutIter>::
+ _M_group_int(const string& __grouping, _CharT __sep, ios_base& __io,
+ _CharT* __new, _CharT* __cs, int& __len) const
+ {
+ // By itself __add_grouping cannot deal correctly with __ws when
+ // ios::showbase is set and ios_base::oct || ios_base::hex.
+ // Therefore we take care "by hand" of the initial 0, 0x or 0X.
+ // However, remember that the latter do not occur if the number
+ // printed is '0' (__len == 1).
+ streamsize __off = 0;
+ const ios_base::fmtflags __basefield = __io.flags()
+ & ios_base::basefield;
+ if ((__io.flags() & ios_base::showbase) && __len > 1)
+ if (__basefield == ios_base::oct)
+ {
+ __off = 1;
+ *__new = *__cs;
+ }
+ else if (__basefield == ios_base::hex)
+ {
+ __off = 2;
+ *__new = *__cs;
+ *(__new + 1) = *(__cs + 1);
+ }
+ _CharT* __p;
+ __p = __add_grouping(__new + __off, __sep,
+ __grouping.c_str(),
+ __grouping.c_str() + __grouping.size(),
+ __cs + __off, __cs + __len);
+ __len = __p - __new;
+ }
+
+ template<typename _CharT, typename _OutIter>
+ template<typename _ValueT>
+ _OutIter
+ num_put<_CharT, _OutIter>::
+ _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;
+
+ // Long enough to hold hex, dec, and octal representations.
+ int __ilen = 4 * sizeof(_ValueT);
+ _CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __ilen));
+
+ // [22.2.2.2.2] Stage 1, numeric conversion to character.
+ // Result is returned right-justified in the buffer.
+ int __len;
+ __len = __int_to_char(&__cs[0], __ilen, __v, __lit, __io.flags());
+ __cs = __cs + __ilen - __len;
+
+ // Add grouping, if necessary.
+ _CharT* __cs2;
+ if (__lc._M_use_grouping)
+ {
+ // Grouping can add (almost) as many separators as the
+ // number of digits, but no more.
+ __cs2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __len * 2));
+ _M_group_int(__lc._M_grouping, __lc._M_thousands_sep, __io,
+ __cs2, __cs, __len);
+ __cs = __cs2;
+ }
+
+ // Pad.
+ _CharT* __cs3;
+ streamsize __w = __io.width();
+ if (__w > static_cast<streamsize>(__len))
+ {
+ __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __w));
+ _M_pad(__fill, __w, __io, __cs3, __cs, __len);
+ __cs = __cs3;
+ }
+ __io.width(0);
+
+ // [22.2.2.2.2] Stage 4.
+ // Write resulting, fully-formatted string to output iterator.
+ return __write(__s, __cs, __len);
+ }
+
+ template<typename _CharT, typename _OutIter>
+ void
+ num_put<_CharT, _OutIter>::
+ _M_group_float(const string& __grouping, _CharT __sep, const _CharT* __p,
+ _CharT* __new, _CharT* __cs, int& __len) const
+ {
+#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
+ //282. What types does numpunct grouping refer to?
+ // Add grouping, if necessary.
+ _CharT* __p2;
+ int __declen = __p ? __p - __cs : __len;
+ __p2 = __add_grouping(__new, __sep,
+ __grouping.c_str(),
+ __grouping.c_str() + __grouping.size(),
+ __cs, __cs + __declen);
+
+ // Tack on decimal part.
+ int __newlen = __p2 - __new;
+ if (__p)
+ {
+ char_traits<_CharT>::copy(__p2, __p, __len - __declen);
+ __newlen += __len - __declen;
+ }
+ __len = __newlen;
+#endif
+ }
+
+ // The following code uses snprintf (or sprintf(), when
+ // _GLIBCPP_USE_C99 is not defined) to convert floating point values
+ // for insertion into a stream. An optimization would be to replace
+ // them with code that works directly on a wide buffer and then use
+ // __pad to do the padding. It would be good to replace them anyway
+ // to gain back the efficiency that C++ provides by knowing up front
+ // the type of the values to insert. Also, sprintf is dangerous
+ // since may lead to accidental buffer overruns. This
+ // implementation follows the C++ standard fairly directly as
// outlined in 22.2.2.2 [lib.locale.num.put]
template<typename _CharT, typename _OutIter>
template<typename _ValueT>
@@ -622,48 +857,53 @@ namespace std
_M_convert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
_ValueT __v) const
{
- // Note: digits10 is rounded down. We need to add 1 to ensure
- // we get the full available precision.
- const int __max_digits = numeric_limits<_ValueT>::digits10 + 1;
+ // Note: digits10 is rounded down: add 1 to ensure the maximum
+ // available precision. Then, in general, one more 1 needs to
+ // be added since, when the %{g,G} conversion specifiers are
+ // chosen inside _S_format_float, the precision field is "the
+ // maximum number of significant digits", *not* the "number of
+ // digits to appear after the decimal point", as happens for
+ // %{e,E,f,F} (C99, 7.19.6.1,4).
+ const int __max_digits = numeric_limits<_ValueT>::digits10 + 2;
+
+ // Use default precision if out of range.
streamsize __prec = __io.precision();
-
if (__prec > static_cast<streamsize>(__max_digits))
__prec = static_cast<streamsize>(__max_digits);
+ else if (__prec < static_cast<streamsize>(0))
+ __prec = static_cast<streamsize>(6);
- // Long enough for the max format spec.
- char __fbuf[16];
+ typedef __locale_cache<_CharT> __cache_type;
+ __cache_type& __lc = static_cast<__cache_type&>(__io._M_cache());
// [22.2.2.2.2] Stage 1, numeric conversion to character.
int __len;
+ // Long enough for the max format spec.
+ char __fbuf[16];
+
#ifdef _GLIBCPP_USE_C99
- // First try a buffer perhaps big enough (for sure sufficient for
- // non-ios_base::fixed outputs)
+ // First try a buffer perhaps big enough (for sure sufficient
+ // for non-ios_base::fixed outputs)
int __cs_size = __max_digits * 3;
char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
- const bool __fp = _S_format_float(__io, __fbuf, __mod, __prec);
- if (__fp)
- __len = __convert_from_v(__cs, __cs_size, __fbuf, __v,
- _S_c_locale, __prec);
- else
- __len = __convert_from_v(__cs, __cs_size, __fbuf, __v, _S_c_locale);
+ _S_format_float(__io, __fbuf, __mod, __prec);
+ __len = __convert_from_v(__cs, __cs_size, __fbuf, __v,
+ _S_c_locale, __prec);
// If the buffer was not large enough, try again with the correct size.
if (__len >= __cs_size)
{
__cs_size = __len + 1;
__cs = static_cast<char*>(__builtin_alloca(__cs_size));
- if (__fp)
- __len = __convert_from_v(__cs, __cs_size, __fbuf, __v,
- _S_c_locale, __prec);
- else
- __len = __convert_from_v(__cs, __cs_size, __fbuf, __v,
- _S_c_locale);
+ __len = __convert_from_v(__cs, __cs_size, __fbuf, __v,
+ _S_c_locale, __prec);
}
#else
// Consider the possibility of long ios_base::fixed outputs
const bool __fixed = __io.flags() & ios_base::fixed;
const int __max_exp = numeric_limits<_ValueT>::max_exponent10;
+
// ios_base::fixed outputs may need up to __max_exp+1 chars
// for the integer part + up to __max_digits chars for the
// fractional part + 3 chars for sign, decimal point, '\0'. On
@@ -673,187 +913,54 @@ namespace std
: __max_digits * 3;
char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
- if (_S_format_float(__io, __fbuf, __mod, __prec))
- __len = __convert_from_v(__cs, 0, __fbuf, __v, _S_c_locale, __prec);
- else
- __len = __convert_from_v(__cs, 0, __fbuf, __v, _S_c_locale);
+ _S_format_float(__io, __fbuf, __mod, __prec);
+ __len = __convert_from_v(__cs, 0, __fbuf, __v, _S_c_locale, __prec);
#endif
- return _M_widen_float(__s, __io, __fill, __cs, __len);
- }
-
- template<typename _CharT, typename _OutIter>
- template<typename _ValueT>
- _OutIter
- num_put<_CharT, _OutIter>::
- _M_convert_int(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
- char __modl, _ValueT __v) const
- {
- // [22.2.2.2.2] Stage 1, numeric conversion to character.
- // Long enough for the max format spec.
- char __fbuf[16];
- _S_format_int(__io, __fbuf, __mod, __modl);
-#ifdef _GLIBCPP_USE_C99
- // First try a buffer perhaps big enough.
- int __cs_size = 64;
- char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
- int __len = __convert_from_v(__cs, __cs_size, __fbuf, __v,
- _S_c_locale);
- // If the buffer was not large enough, try again with the correct size.
- if (__len >= __cs_size)
- {
- __cs_size = __len + 1;
- __cs = static_cast<char*>(__builtin_alloca(__cs_size));
- __len = __convert_from_v(__cs, __cs_size, __fbuf, __v,
- _S_c_locale);
- }
-#else
- // Leave room for "+/-," "0x," and commas. This size is
- // arbitrary, but should be largely sufficient.
- char __cs[128];
- int __len = __convert_from_v(__cs, 0, __fbuf, __v, _S_c_locale);
-#endif
- return _M_widen_int(__s, __io, __fill, __cs, __len);
- }
-
- template<typename _CharT, typename _OutIter>
- _OutIter
- num_put<_CharT, _OutIter>::
- _M_widen_float(_OutIter __s, ios_base& __io, _CharT __fill, char* __cs,
- int __len) const
- {
- typedef char_traits<_CharT> __traits_type;
// [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)
* __len));
- // Grouping can add (almost) as many separators as the number of
- // digits, but no more.
- _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
- * __len * 2));
__ctype.widen(__cs, __cs + __len, __ws);
// Replace decimal point.
+ const _CharT __cdec = __ctype.widen('.');
+ const _CharT __dec = __lc._M_decimal_point;
const _CharT* __p;
- const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
- if (__p = __traits_type::find(__ws, __len, __ctype.widen('.')))
- __ws[__p - __ws] = __np.decimal_point();
-
-#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
-//282. What types does numpunct grouping refer to?
- // Add grouping, if necessary.
- const string __grouping = __np.grouping();
- ios_base::fmtflags __basefield = __io.flags() & ios_base::basefield;
- if (__grouping.size())
- {
- _CharT* __p2;
- int __declen = __p ? __p - __ws : __len;
- __p2 = __add_grouping(__ws2, __np.thousands_sep(),
- __grouping.c_str(),
- __grouping.c_str() + __grouping.size(),
- __ws, __ws + __declen);
- int __newlen = __p2 - __ws2;
-
- // Tack on decimal part.
- if (__p)
- {
- __traits_type::copy(__p2, __p, __len - __declen);
- __newlen += __len - __declen;
- }
-
- // Switch strings, establish correct new length.
- __ws = __ws2;
- __len = __newlen;
- }
-#endif
- return _M_insert(__s, __io, __fill, __ws, __len);
- }
-
- template<typename _CharT, typename _OutIter>
- _OutIter
- num_put<_CharT, _OutIter>::
- _M_widen_int(_OutIter __s, ios_base& __io, _CharT __fill, char* __cs,
- int __len) const
- {
- // [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)
- * __len));
- // Grouping can add (almost) as many separators as the number of
- // digits, but no more.
- _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
- * __len * 2));
- __ctype.widen(__cs, __cs + __len, __ws);
+ if (__p = char_traits<_CharT>::find(__ws, __len, __cdec))
+ __ws[__p - __ws] = __dec;
// Add grouping, if necessary.
- const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
- const string __grouping = __np.grouping();
- const ios_base::fmtflags __basefield = __io.flags() & ios_base::basefield;
- if (__grouping.size())
+ _CharT* __ws2;
+ if (__lc._M_use_grouping)
{
- // By itself __add_grouping cannot deal correctly with __ws when
- // ios::showbase is set and ios_base::oct || ios_base::hex.
- // Therefore we take care "by hand" of the initial 0, 0x or 0X.
- // However, remember that the latter do not occur if the number
- // printed is '0' (__len == 1).
- streamsize __off = 0;
- if ((__io.flags() & ios_base::showbase) && __len > 1)
- if (__basefield == ios_base::oct)
- {
- __off = 1;
- *__ws2 = *__ws;
- }
- else if (__basefield == ios_base::hex)
- {
- __off = 2;
- *__ws2 = *__ws;
- *(__ws2 + 1) = *(__ws + 1);
- }
- _CharT* __p;
- __p = __add_grouping(__ws2 + __off, __np.thousands_sep(),
- __grouping.c_str(),
- __grouping.c_str() + __grouping.size(),
- __ws + __off, __ws + __len);
- __len = __p - __ws2;
- // Switch strings.
- __ws = __ws2;
+ // Grouping can add (almost) as many separators as the
+ // number of digits, but no more.
+ __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __len * 2));
+ _M_group_float(__lc._M_grouping, __lc._M_thousands_sep, __p,
+ __ws2, __ws, __len);
+ __ws = __ws2;
}
- return _M_insert(__s, __io, __fill, __ws, __len);
- }
- // For use by integer and floating-point types after they have been
- // converted into a char_type string.
- template<typename _CharT, typename _OutIter>
- _OutIter
- num_put<_CharT, _OutIter>::
- _M_insert(_OutIter __s, ios_base& __io, _CharT __fill, const _CharT* __ws,
- int __len) const
- {
- typedef char_traits<_CharT> __traits_type;
- // [22.2.2.2.2] Stage 3.
+ // Pad.
+ _CharT* __ws3;
streamsize __w = __io.width();
- _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
- * __w));
if (__w > static_cast<streamsize>(__len))
{
- __pad<_CharT, __traits_type>::_S_pad(__io, __fill, __ws2, __ws,
- __w, __len, true);
- __len = static_cast<int>(__w);
- // Switch strings.
- __ws = __ws2;
+ __ws3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __w));
+ _M_pad(__fill, __w, __io, __ws3, __ws, __len);
+ __ws = __ws3;
}
__io.width(0);
-
+
// [22.2.2.2.2] Stage 4.
// Write resulting, fully-formatted string to output iterator.
- for (int __j = 0; __j < __len; ++__j, ++__s)
- *__s = __ws[__j];
- return __s;
- }
+ return __write(__s, __ws, __len);
+ }
template<typename _CharT, typename _OutIter>
_OutIter
@@ -864,19 +971,32 @@ namespace std
if ((__flags & ios_base::boolalpha) == 0)
{
unsigned long __uv = __v;
- __s = _M_convert_int(__s, __io, __fill, 'u', char(), __uv);
+ __s = _M_convert_int(__s, __io, __fill, __uv);
}
else
{
- typedef basic_string<_CharT> __string_type;
- locale __loc = __io.getloc();
- const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
+ typedef __locale_cache<_CharT> __cache_type;
+ __cache_type& __lc = static_cast<__cache_type&>(__io._M_cache());
+ typedef basic_string<_CharT> __string_type;
__string_type __name;
if (__v)
- __name = __np.truename();
+ __name = __lc._M_truename;
else
- __name = __np.falsename();
- __s = _M_insert(__s, __io, __fill, __name.c_str(), __name.size());
+ __name = __lc._M_falsename;
+
+ const _CharT* __cs = __name.c_str();
+ int __len = __name.size();
+ _CharT* __cs3;
+ streamsize __w = __io.width();
+ if (__w > static_cast<streamsize>(__len))
+ {
+ __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __w));
+ _M_pad(__fill, __w, __io, __cs3, __cs, __len);
+ __cs = __cs3;
+ }
+ __io.width(0);
+ __s = __write(__s, __cs, __len);
}
return __s;
}
@@ -885,28 +1005,28 @@ namespace std
_OutIter
num_put<_CharT, _OutIter>::
do_put(iter_type __s, ios_base& __io, char_type __fill, long __v) const
- { return _M_convert_int(__s, __io, __fill, 'd', char(), __v); }
+ { return _M_convert_int(__s, __io, __fill, __v); }
template<typename _CharT, typename _OutIter>
_OutIter
num_put<_CharT, _OutIter>::
do_put(iter_type __s, ios_base& __io, char_type __fill,
unsigned long __v) const
- { return _M_convert_int(__s, __io, __fill, 'u', char(), __v); }
+ { return _M_convert_int(__s, __io, __fill, __v); }
#ifdef _GLIBCPP_USE_LONG_LONG
template<typename _CharT, typename _OutIter>
_OutIter
num_put<_CharT, _OutIter>::
do_put(iter_type __s, ios_base& __b, char_type __fill, long long __v) const
- { return _M_convert_int(__s, __b, __fill, 'd', 'l', __v); }
+ { return _M_convert_int(__s, __b, __fill, __v); }
template<typename _CharT, typename _OutIter>
_OutIter
num_put<_CharT, _OutIter>::
do_put(iter_type __s, ios_base& __io, char_type __fill,
unsigned long long __v) const
- { return _M_convert_int(__s, __io, __fill, 'u', 'l', __v); }
+ { return _M_convert_int(__s, __io, __fill, __v); }
#endif
template<typename _CharT, typename _OutIter>
@@ -934,7 +1054,7 @@ namespace std
__io.flags(__flags & __fmt | (ios_base::hex | ios_base::showbase));
try
{
- __s = _M_convert_int(__s, __io, __fill, 'u', char(),
+ __s = _M_convert_int(__s, __io, __fill,
reinterpret_cast<unsigned long>(__v));
__io.flags(__flags);
}
@@ -1191,7 +1311,8 @@ namespace std
char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
int __len = __convert_from_v(__cs, 0, "%.01Lf", __units, _S_c_locale);
#endif
- _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __cs_size));
+ _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __cs_size));
__ctype.widen(__cs, __cs + __len, __ws);
string_type __digits(__ws);
return this->do_put(__s, __intl, __io, __fill, __digits);
@@ -1285,7 +1406,7 @@ namespace std
const char* __gend = __gbeg + __grouping.size();
const int __n = (__end - __beg) * 2;
_CharT* __ws2 =
- static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __n));
+ static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __n));
_CharT* __ws_end = __add_grouping(__ws2, __sep, __gbeg,
__gend, __beg, __end);
__value.insert(0, __ws2, __ws_end - __ws2);
@@ -1354,8 +1475,7 @@ namespace std
}
// Write resulting, fully-formatted string to output iterator.
- for (size_type __j = 0; __j < __len; ++__j, ++__s)
- *__s = __res[__j];
+ __s = __write(__s, __res.c_str(), __len);
}
__io.width(0);
return __s;
@@ -1611,7 +1731,8 @@ namespace std
ios_base::iostate& __err) const
{
typedef char_traits<_CharT> __traits_type;
- int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int) * __indexlen));
+ int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int)
+ * __indexlen));
size_t __nmatches = 0;
size_t __pos = 0;
bool __testvalid = true;
@@ -1623,12 +1744,12 @@ namespace std
if (__c == __names[__i1][0])
__matches[__nmatches++] = __i1;
- while(__nmatches > 1)
+ while (__nmatches > 1)
{
// Find smallest matching string.
size_t __minlen = 10;
for (size_t __i2 = 0; __i2 < __nmatches; ++__i2)
- __minlen = min(__minlen,
+ __minlen = min(__minlen,
__traits_type::length(__names[__matches[__i2]]));
if (__pos < __minlen && __beg != __end)
@@ -1848,8 +1969,7 @@ namespace std
}
else
__format = __c;
- __s = this->do_put(__s, __io, char_type(), __tm, __format,
- __mod);
+ __s = this->do_put(__s, __io, _CharT(), __tm, __format, __mod);
}
else
{
@@ -1873,8 +1993,7 @@ namespace std
// NB: This size is arbitrary. Should this be a data member,
// initialized at construction?
const size_t __maxlen = 64;
- char_type* __res =
- static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
+ char_type* __res = static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
// NB: In IEE 1003.1-200x, and perhaps other locale models, it
// is possible that the format character will be longer than one
@@ -1898,10 +2017,7 @@ namespace std
__tp._M_put(__res, __maxlen, __fmt, __tm);
// Write resulting, fully-formatted string to output iterator.
- size_t __len = char_traits<char_type>::length(__res);
- for (size_t __i = 0; __i < __len; ++__i, ++__s)
- *__s = __res[__i];
- return __s;
+ return __write(__s, __res, char_traits<char_type>::length(__res));
}
@@ -1923,9 +2039,37 @@ namespace std
do_compare(const _CharT* __lo1, const _CharT* __hi1,
const _CharT* __lo2, const _CharT* __hi2) const
{
+ // strcoll assumes zero-terminated strings so we make a copy
+ // and then put a zero at the end.
const string_type __one(__lo1, __hi1);
const string_type __two(__lo2, __hi2);
- return _M_compare(__one.c_str(), __two.c_str());
+
+ const _CharT* __p = __one.c_str();
+ const _CharT* __pend = __one.c_str() + __one.length();
+ const _CharT* __q = __two.c_str();
+ const _CharT* __qend = __two.c_str() + __two.length();
+
+ // strcoll stops when it sees a nul character so we break
+ // the strings into zero-terminated substrings and pass those
+ // to strcoll.
+ for (;;)
+ {
+ int __res = _M_compare(__p, __q);
+ if (__res)
+ return __res;
+
+ __p += char_traits<_CharT>::length(__p);
+ __q += char_traits<_CharT>::length(__q);
+ if (__p == __pend && __q == __qend)
+ return 0;
+ else if (__p == __pend)
+ return -1;
+ else if (__q == __qend)
+ return 1;
+
+ __p++;
+ __q++;
+ }
}
template<typename _CharT>
@@ -1933,19 +2077,43 @@ namespace std
collate<_CharT>::
do_transform(const _CharT* __lo, const _CharT* __hi) const
{
+ // strxfrm assumes zero-terminated strings so we make a copy
+ string_type __str(__lo, __hi);
+
+ const _CharT* __p = __str.c_str();
+ const _CharT* __pend = __str.c_str() + __str.length();
+
size_t __len = (__hi - __lo) * 2;
- // First try a buffer perhaps big enough.
- _CharT* __c =
- static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __len));
- size_t __res = _M_transform(__c, __lo, __len);
- // If the buffer was not large enough, try again with the correct size.
- if (__res >= __len)
+
+ string_type __ret;
+
+ // strxfrm stops when it sees a nul character so we break
+ // the string into zero-terminated substrings and pass those
+ // to strxfrm.
+ for (;;)
{
- __c =
- static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * (__res + 1)));
- _M_transform(__c, __lo, __res + 1);
+ // First try a buffer perhaps big enough.
+ _CharT* __c =
+ static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __len));
+ size_t __res = _M_transform(__c, __p, __len);
+ // If the buffer was not large enough, try again with the
+ // correct size.
+ if (__res >= __len)
+ {
+ __len = __res + 1;
+ __c = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __len));
+ __res = _M_transform(__c, __p, __res + 1);
+ }
+
+ __ret.append(__c, __res);
+ __p += char_traits<_CharT>::length(__p);
+ if (__p == __pend)
+ return __ret;
+
+ __p++;
+ __ret.push_back(_CharT());
}
- return string_type(__c);
}
template<typename _CharT>
@@ -1960,22 +2128,6 @@ namespace std
return static_cast<long>(__val);
}
- // Convert string to numeric value of type _Tv and store results.
- // NB: This is specialized for all required types, there is no
- // generic definition.
- template<typename _Tv>
- void
- __convert_to_v(const char* __in, _Tv& __out, ios_base::iostate& __err,
- const __c_locale& __cloc, int __base = 10);
-
- // Convert numeric value of type _Tv to string and return length of string.
- // If snprintf is available use it, otherwise fall back to the unsafe sprintf
- // which, in general, can be dangerous and should be avoided.
- template<typename _Tv>
- int
- __convert_from_v(char* __out, const int __size, const char* __fmt,
- _Tv __v, const __c_locale&, int __prec = -1);
-
// Construct correctly padded string, as per 22.2.2.2.2
// Assumes
// __newlen > __oldlen
@@ -1988,15 +2140,6 @@ namespace std
// NB: Of the two parameters, _CharT can be deduced from the
// function arguments. The other (_Traits) has to be explicitly specified.
template<typename _CharT, typename _Traits>
- struct __pad
- {
- static void
- _S_pad(ios_base& __io, _CharT __fill, _CharT* __news,
- const _CharT* __olds, const streamsize __newlen,
- const streamsize __oldlen, const bool __num);
- };
-
- template<typename _CharT, typename _Traits>
void
__pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
_CharT* __news, const _CharT* __olds,
@@ -2004,7 +2147,8 @@ namespace std
const streamsize __oldlen, const bool __num)
{
size_t __plen = static_cast<size_t>(__newlen - __oldlen);
- _CharT* __pads = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __plen));
+ _CharT* __pads = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __plen));
_Traits::assign(__pads, __plen, __fill);
_CharT* __beg;
@@ -2074,14 +2218,6 @@ namespace std
__newlen - __beglen - __mod);
}
- // Used by both numeric and monetary facets.
- // Check to make sure that the __grouping_tmp string constructed in
- // money_get or num_get matches the canonical grouping for a given
- // locale.
- // __grouping_tmp is parsed L to R
- // 1,222,444 == __grouping_tmp of "/1/3/3"
- // __grouping is parsed R to L
- // 1,222,444 == __grouping of "/3" == "/3/3/3"
template<typename _CharT>
bool
__verify_grouping(const basic_string<_CharT>& __grouping,
@@ -2106,11 +2242,6 @@ namespace std
return __test;
}
- // Used by both numeric and monetary facets.
- // Inserts "group separator" characters into an array of characters.
- // It's recursive, one iteration per group. It moves the characters
- // in the buffer this way: "xxxx12345" -> "12,345xxx". Call this
- // only with __gbeg != __gend.
template<typename _CharT>
_CharT*
__add_grouping(_CharT* __s, _CharT __sep,
@@ -2131,9 +2262,235 @@ namespace std
return __s;
}
+ 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_end,
+ _M_literals);
+ }
+ }
+
+ template<typename _CharT>
+ void
+ __locale_cache<_CharT>::_S_callback(ios_base::event __ev, ios_base& __io, int)
+ {
+ switch (__ev)
+ {
+ case ios_base::erase_event:
+ if (__io.pword(0))
+ delete &__io._M_cache();
+ break;
+
+ case ios_base::imbue_event:
+ break;
+
+ case ios_base::copyfmt_event:
+ // This routine is called with the new ios_base, but pword(0) still
+ // points to the cache from the old ios_base. This replaces it with
+ // a new cache. Done here, so we don't get an extra callback from
+ // basic_ios::_M_cache_locale.
+ typedef __locale_cache<_CharT> __cache_t;
+ __io.pword(0) = auto_ptr<__cache_t>(new __cache_t()).release();
+ break;
+ }
+ }
+
+#if 1
+ // XXX GLIBCXX_ABI Deprecated, compatibility only.
+ template<typename _CharT, typename _OutIter>
+ template<typename _ValueT>
+ _OutIter
+ num_put<_CharT, _OutIter>::
+ _M_convert_int(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
+ char __modl, _ValueT __v) const
+ {
+ // [22.2.2.2.2] Stage 1, numeric conversion to character.
+
+ // Long enough for the max format spec.
+ char __fbuf[16];
+ _S_format_int(__io, __fbuf, __mod, __modl);
+#ifdef _GLIBCPP_USE_C99
+ // First try a buffer perhaps big enough.
+ int __cs_size = 64;
+ char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
+ int __len = __convert_from_v(__cs, __cs_size, __fbuf, __v,
+ _S_c_locale);
+ // If the buffer was not large enough, try again with the correct size.
+ if (__len >= __cs_size)
+ {
+ __cs_size = __len + 1;
+ __cs = static_cast<char*>(__builtin_alloca(__cs_size));
+ __len = __convert_from_v(__cs, __cs_size, __fbuf, __v,
+ _S_c_locale);
+ }
+#else
+ // Leave room for "+/-," "0x," and commas. This size is
+ // arbitrary, but should be largely sufficient.
+ char __cs[128];
+ int __len = __convert_from_v(__cs, 0, __fbuf, __v, _S_c_locale);
+#endif
+ return _M_widen_int(__s, __io, __fill, __cs, __len);
+ }
+
+ template<typename _CharT, typename _OutIter>
+ _OutIter
+ num_put<_CharT, _OutIter>::
+ _M_widen_float(_OutIter __s, ios_base& __io, _CharT __fill, char* __cs,
+ int __len) const
+ {
+ typedef char_traits<_CharT> __traits_type;
+ // [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)
+ * __len));
+ // Grouping can add (almost) as many separators as the number of
+ // digits, but no more.
+ _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __len * 2));
+ __ctype.widen(__cs, __cs + __len, __ws);
+
+ // Replace decimal point.
+ const _CharT* __p;
+ const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
+ if (__p = __traits_type::find(__ws, __len, __ctype.widen('.')))
+ __ws[__p - __ws] = __np.decimal_point();
+
+#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
+//282. What types does numpunct grouping refer to?
+ // Add grouping, if necessary.
+ const string __grouping = __np.grouping();
+ if (__grouping.size())
+ {
+ _CharT* __p2;
+ int __declen = __p ? __p - __ws : __len;
+ __p2 = __add_grouping(__ws2, __np.thousands_sep(),
+ __grouping.c_str(),
+ __grouping.c_str() + __grouping.size(),
+ __ws, __ws + __declen);
+ int __newlen = __p2 - __ws2;
+
+ // Tack on decimal part.
+ if (__p)
+ {
+ __traits_type::copy(__p2, __p, __len - __declen);
+ __newlen += __len - __declen;
+ }
+
+ // Switch strings, establish correct new length.
+ __ws = __ws2;
+ __len = __newlen;
+ }
+#endif
+ return _M_insert(__s, __io, __fill, __ws, __len);
+ }
+
+ template<typename _CharT, typename _OutIter>
+ _OutIter
+ num_put<_CharT, _OutIter>::
+ _M_widen_int(_OutIter __s, ios_base& __io, _CharT __fill, char* __cs,
+ int __len) const
+ {
+ // [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)
+ * __len));
+ // Grouping can add (almost) as many separators as the number of
+ // digits, but no more.
+ _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __len * 2));
+ __ctype.widen(__cs, __cs + __len, __ws);
+
+ // Add grouping, if necessary.
+ const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
+ const string __grouping = __np.grouping();
+ if (__grouping.size())
+ {
+ // By itself __add_grouping cannot deal correctly with __ws when
+ // ios::showbase is set and ios_base::oct || ios_base::hex.
+ // Therefore we take care "by hand" of the initial 0, 0x or 0X.
+ // However, remember that the latter do not occur if the number
+ // printed is '0' (__len == 1).
+ streamsize __off = 0;
+ const ios_base::fmtflags __basefield = __io.flags()
+ & ios_base::basefield;
+ if ((__io.flags() & ios_base::showbase) && __len > 1)
+ if (__basefield == ios_base::oct)
+ {
+ __off = 1;
+ *__ws2 = *__ws;
+ }
+ else if (__basefield == ios_base::hex)
+ {
+ __off = 2;
+ *__ws2 = *__ws;
+ *(__ws2 + 1) = *(__ws + 1);
+ }
+ _CharT* __p;
+ __p = __add_grouping(__ws2 + __off, __np.thousands_sep(),
+ __grouping.c_str(),
+ __grouping.c_str() + __grouping.size(),
+ __ws + __off, __ws + __len);
+ __len = __p - __ws2;
+ // Switch strings.
+ __ws = __ws2;
+ }
+ return _M_insert(__s, __io, __fill, __ws, __len);
+ }
+
+ // For use by integer and floating-point types after they have been
+ // converted into a char_type string.
+ template<typename _CharT, typename _OutIter>
+ _OutIter
+ num_put<_CharT, _OutIter>::
+ _M_insert(_OutIter __s, ios_base& __io, _CharT __fill, const _CharT* __ws,
+ int __len) const
+ {
+ typedef char_traits<_CharT> __traits_type;
+ // [22.2.2.2.2] Stage 3.
+ // If necessary, pad.
+ streamsize __w = __io.width();
+ _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __w));
+ if (__w > static_cast<streamsize>(__len))
+ {
+ __pad<_CharT, __traits_type>::_S_pad(__io, __fill, __ws2, __ws,
+ __w, __len, true);
+ __len = static_cast<int>(__w);
+ // Switch strings.
+ __ws = __ws2;
+ }
+ __io.width(0);
+
+ // [22.2.2.2.2] Stage 4.
+ // Write resulting, fully-formatted string to output iterator.
+ return __write(__s, __ws, __len);
+ }
+#endif
+
// Inhibit implicit instantiations for required instantiations,
// which are defined via explicit instantiations elsewhere.
// NB: This syntax is a GNU extension.
+#if _GLIBCPP_EXTERN_TEMPLATE
extern template class moneypunct<char, false>;
extern template class moneypunct<char, true>;
extern template class moneypunct_byname<char, false>;
@@ -2387,6 +2744,7 @@ namespace std
bool
has_facet<messages<wchar_t> >(const locale&);
#endif
+#endif
} // namespace std
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-27 00:39:32 +0000