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More duplicate code removal in <locale>. Hoist common parsing code into two templates: num_get::__do_get_signed and num_get::__do_get_unsigned, and make the do_get routines call them. No functionality change.

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llvm-svn: 194185
This commit is contained in:
Marshall Clow 2013-11-07 01:00:50 +00:00
parent 601f382405
commit 57b8f44c87
1 changed files with 64 additions and 246 deletions
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310
libcxx/include/locale
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@ -791,33 +791,63 @@ protected:
_LIBCPP_ALWAYS_INLINE
~num_get() {}
virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, bool& __v) const;
virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, long& __v) const;
virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, long long& __v) const;
virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, unsigned short& __v) const;
virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, unsigned int& __v) const;
virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, unsigned long& __v) const;
virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, unsigned long long& __v) const;
virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, float& __v) const;
virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, double& __v) const;
virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, long double& __v) const;
virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, void*& __v) const;
template <class _Fp>
iter_type __do_get_floating_point
(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, _Fp& __v) const;
template <class _Signed>
iter_type __do_get_signed
(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, _Signed& __v) const;
template <class _Unsigned>
iter_type __do_get_unsigned
(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, _Unsigned& __v) const;
virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, bool& __v) const;
virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, long& __v) const
{ return this->__do_get_signed ( __b, __e, __iob, __err, __v ); }
virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, long long& __v) const
{ return this->__do_get_signed ( __b, __e, __iob, __err, __v ); }
virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, unsigned short& __v) const
{ return this->__do_get_unsigned ( __b, __e, __iob, __err, __v ); }
virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, unsigned int& __v) const
{ return this->__do_get_unsigned ( __b, __e, __iob, __err, __v ); }
virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, unsigned long& __v) const
{ return this->__do_get_unsigned ( __b, __e, __iob, __err, __v ); }
virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, unsigned long long& __v) const
{ return this->__do_get_unsigned ( __b, __e, __iob, __err, __v ); }
virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, float& __v) const
{ return this->__do_get_floating_point ( __b, __e, __iob, __err, __v ); }
virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, double& __v) const
{ return this->__do_get_floating_point ( __b, __e, __iob, __err, __v ); }
virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, long double& __v) const
{ return this->__do_get_floating_point ( __b, __e, __iob, __err, __v ); }
virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, void*& __v) const;
};
template <class _CharT, class _InputIterator>
@ -957,12 +987,15 @@ num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
return __b;
}
// signed
template <class _CharT, class _InputIterator>
template <class _Signed>
_InputIterator
num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
num_get<_CharT, _InputIterator>::__do_get_signed(iter_type __b, iter_type __e,
ios_base& __iob,
ios_base::iostate& __err,
long& __v) const
_Signed& __v) const
{
// Stage 1
int __base = this->__get_base(__iob);
@ -995,7 +1028,7 @@ num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
if (__grouping.size() != 0 && __g_end-__g < __num_get_base::__num_get_buf_sz)
*__g_end++ = __dc;
// Stage 3
__v = __num_get_signed_integral<long>(__a, __a_end, __err, __base);
__v = __num_get_signed_integral<_Signed>(__a, __a_end, __err, __base);
// Digit grouping checked
__check_grouping(__grouping, __g, __g_end, __err);
// EOF checked
@ -1004,59 +1037,15 @@ num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
return __b;
}
template <class _CharT, class _InputIterator>
_InputIterator
num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
ios_base& __iob,
ios_base::iostate& __err,
long long& __v) const
{
// Stage 1
int __base = this->__get_base(__iob);
// Stage 2
char_type __atoms[26];
char_type __thousands_sep;
string __grouping = this->__stage2_int_prep(__iob, __atoms, __thousands_sep);
string __buf;
__buf.resize(__buf.capacity());
char* __a = &__buf[0];
char* __a_end = __a;
unsigned __g[__num_get_base::__num_get_buf_sz];
unsigned* __g_end = __g;
unsigned __dc = 0;
for (; __b != __e; ++__b)
{
if (__a_end - __a == __buf.size())
{
size_t __tmp = __buf.size();
__buf.resize(2*__buf.size());
__buf.resize(__buf.capacity());
__a = &__buf[0];
__a_end = __a + __tmp;
}
if (this->__stage2_int_loop(*__b, __base, __a, __a_end, __dc,
__thousands_sep, __grouping, __g, __g_end,
__atoms))
break;
}
if (__grouping.size() != 0 && __g_end-__g < __num_get_base::__num_get_buf_sz)
*__g_end++ = __dc;
// Stage 3
__v = __num_get_signed_integral<long long>(__a, __a_end, __err, __base);
// Digit grouping checked
__check_grouping(__grouping, __g, __g_end, __err);
// EOF checked
if (__b == __e)
__err |= ios_base::eofbit;
return __b;
}
// unsigned
template <class _CharT, class _InputIterator>
template <class _Unsigned>
_InputIterator
num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
num_get<_CharT, _InputIterator>::__do_get_unsigned(iter_type __b, iter_type __e,
ios_base& __iob,
ios_base::iostate& __err,
unsigned short& __v) const
_Unsigned& __v) const
{
// Stage 1
int __base = this->__get_base(__iob);
@ -1089,148 +1078,7 @@ num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
if (__grouping.size() != 0 && __g_end-__g < __num_get_base::__num_get_buf_sz)
*__g_end++ = __dc;
// Stage 3
__v = __num_get_unsigned_integral<unsigned short>(__a, __a_end, __err, __base);
// Digit grouping checked
__check_grouping(__grouping, __g, __g_end, __err);
// EOF checked
if (__b == __e)
__err |= ios_base::eofbit;
return __b;
}
template <class _CharT, class _InputIterator>
_InputIterator
num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
ios_base& __iob,
ios_base::iostate& __err,
unsigned int& __v) const
{
// Stage 1
int __base = this->__get_base(__iob);
// Stage 2
char_type __atoms[26];
char_type __thousands_sep;
string __grouping = this->__stage2_int_prep(__iob, __atoms, __thousands_sep);
string __buf;
__buf.resize(__buf.capacity());
char* __a = &__buf[0];
char* __a_end = __a;
unsigned __g[__num_get_base::__num_get_buf_sz];
unsigned* __g_end = __g;
unsigned __dc = 0;
for (; __b != __e; ++__b)
{
if (__a_end - __a == __buf.size())
{
size_t __tmp = __buf.size();
__buf.resize(2*__buf.size());
__buf.resize(__buf.capacity());
__a = &__buf[0];
__a_end = __a + __tmp;
}
if (this->__stage2_int_loop(*__b, __base, __a, __a_end, __dc,
__thousands_sep, __grouping, __g, __g_end,
__atoms))
break;
}
if (__grouping.size() != 0 && __g_end-__g < __num_get_base::__num_get_buf_sz)
*__g_end++ = __dc;
// Stage 3
__v = __num_get_unsigned_integral<unsigned int>(__a, __a_end, __err, __base);
// Digit grouping checked
__check_grouping(__grouping, __g, __g_end, __err);
// EOF checked
if (__b == __e)
__err |= ios_base::eofbit;
return __b;
}
template <class _CharT, class _InputIterator>
_InputIterator
num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
ios_base& __iob,
ios_base::iostate& __err,
unsigned long& __v) const
{
// Stage 1
int __base = this->__get_base(__iob);
// Stage 2
char_type __atoms[26];
char_type __thousands_sep;
string __grouping = this->__stage2_int_prep(__iob, __atoms, __thousands_sep);
string __buf;
__buf.resize(__buf.capacity());
char* __a = &__buf[0];
char* __a_end = __a;
unsigned __g[__num_get_base::__num_get_buf_sz];
unsigned* __g_end = __g;
unsigned __dc = 0;
for (; __b != __e; ++__b)
{
if (__a_end - __a == __buf.size())
{
size_t __tmp = __buf.size();
__buf.resize(2*__buf.size());
__buf.resize(__buf.capacity());
__a = &__buf[0];
__a_end = __a + __tmp;
}
if (this->__stage2_int_loop(*__b, __base, __a, __a_end, __dc,
__thousands_sep, __grouping, __g, __g_end,
__atoms))
break;
}
if (__grouping.size() != 0 && __g_end-__g < __num_get_base::__num_get_buf_sz)
*__g_end++ = __dc;
// Stage 3
__v = __num_get_unsigned_integral<unsigned long>(__a, __a_end, __err, __base);
// Digit grouping checked
__check_grouping(__grouping, __g, __g_end, __err);
// EOF checked
if (__b == __e)
__err |= ios_base::eofbit;
return __b;
}
template <class _CharT, class _InputIterator>
_InputIterator
num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
ios_base& __iob,
ios_base::iostate& __err,
unsigned long long& __v) const
{
// Stage 1
int __base = this->__get_base(__iob);
// Stage 2
char_type __atoms[26];
char_type __thousands_sep;
string __grouping = this->__stage2_int_prep(__iob, __atoms, __thousands_sep);
string __buf;
__buf.resize(__buf.capacity());
char* __a = &__buf[0];
char* __a_end = __a;
unsigned __g[__num_get_base::__num_get_buf_sz];
unsigned* __g_end = __g;
unsigned __dc = 0;
for (; __b != __e; ++__b)
{
if (__a_end - __a == __buf.size())
{
size_t __tmp = __buf.size();
__buf.resize(2*__buf.size());
__buf.resize(__buf.capacity());
__a = &__buf[0];
__a_end = __a + __tmp;
}
if (this->__stage2_int_loop(*__b, __base, __a, __a_end, __dc,
__thousands_sep, __grouping, __g, __g_end,
__atoms))
break;
}
if (__grouping.size() != 0 && __g_end-__g < __num_get_base::__num_get_buf_sz)
*__g_end++ = __dc;
// Stage 3
__v = __num_get_unsigned_integral<unsigned long long>(__a, __a_end, __err, __base);
__v = __num_get_unsigned_integral<_Unsigned>(__a, __a_end, __err, __base);
// Digit grouping checked
__check_grouping(__grouping, __g, __g_end, __err);
// EOF checked
@ -1294,36 +1142,6 @@ num_get<_CharT, _InputIterator>::__do_get_floating_point(iter_type __b, iter_typ
return __b;
}
template <class _CharT, class _InputIterator>
_InputIterator
num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
ios_base& __iob,
ios_base::iostate& __err,
float& __v) const
{
return this->__do_get_floating_point(__b, __e, __iob, __err, __v );
}
template <class _CharT, class _InputIterator>
_InputIterator
num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
ios_base& __iob,
ios_base::iostate& __err,
double& __v) const
{
return this->__do_get_floating_point(__b, __e, __iob, __err, __v );
}
template <class _CharT, class _InputIterator>
_InputIterator
num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
ios_base& __iob,
ios_base::iostate& __err,
long double& __v) const
{
return this->__do_get_floating_point(__b, __e, __iob, __err, __v );
}
template <class _CharT, class _InputIterator>
_InputIterator
num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,