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Internal consistency checks..... 

2000-07-19  Benjamin Kosnik  <bkoz@milou.soma.redhat.com>

	Internal consistency checks.....
	* bits/ios_base.h: Change _M_locale_ios to _M_ios_locale.
	* src/ios.cc: Same.

	* bits/basic_ios.h: Change _M_fctype_ios to _M_ios_fctype.
	* bits/basic_ios.tcc: Same.

	* bits/std_streambuf.h: Change _M_locale_buf to _M_buf_locale.
	Change _M_fctype_buf to _M_buf_fctype.
	* bits/fstream.tcc: Same.

	* bits/std_streambuf.h: Change _M_buf_bump to _M_out_cur_move.
	Change _M_locale_set to _M_buf_locale_init.
	* bits/streambuf.tcc: Same.
	* bits/sstream.tcc: Same.
	* bits/fstream.tcc: Same.

	* bits/std_streambuf.h: Make typedefs consistent.
	(_M_buf_bump): Be more careful with input sequence.

	* bits/std_sstream.h: Same.
	* bits/std_fstream.h: Same.

From-SVN: r35129
This commit is contained in:
Benjamin Kosnik 2000-07-19 08:04:38 +00:00
parent 622c0bfebd
commit 456183bbea
11 changed files with 143 additions and 116 deletions
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27
libstdc++-v3/ChangeLog
View File

@ -1,4 +1,29 @@
2000-07-18 Benjamin Kosnik <bkoz@soma.redhat.com>
2000-07-19 Benjamin Kosnik <bkoz@milou.soma.redhat.com>
Internal consistency checks.....
* bits/ios_base.h: Change _M_locale_ios to _M_ios_locale.
* src/ios.cc: Same.
* bits/basic_ios.h: Change _M_fctype_ios to _M_ios_fctype.
* bits/basic_ios.tcc: Same.
* bits/std_streambuf.h: Change _M_locale_buf to _M_buf_locale.
Change _M_fctype_buf to _M_buf_fctype.
* bits/fstream.tcc: Same.
* bits/std_streambuf.h: Change _M_buf_bump to _M_out_cur_move.
Change _M_locale_set to _M_buf_locale_init.
* bits/streambuf.tcc: Same.
* bits/sstream.tcc: Same.
* bits/fstream.tcc: Same.
* bits/std_streambuf.h: Make typedefs consistent.
(_M_buf_bump): Be more careful with input sequence.
* bits/std_sstream.h: Same.
* bits/std_fstream.h: Same.
2000-07-18 Benjamin Kosnik <bkoz@purist.soma.redhat.com>
* acinclude.m4: Tweaks.
* config/c_io_libio.cc: Tweaks.

4
libstdc++-v3/bits/basic_ios.h
View File

@ -66,7 +66,7 @@ namespace std {
iostate _M_streambuf_state;
// Cached use_facet<ctype>, which is based on the current locale info.
const __ctype_type* _M_fctype_ios;
const __ctype_type* _M_ios_fctype;
// From ostream.
const __numput_type* _M_fnumput;
// From istream.
@ -76,7 +76,7 @@ namespace std {
inline const __ctype_type*
_M_get_fctype_ios(void)
{ return _M_fctype_ios; }
{ return _M_ios_fctype; }
inline const __numget_type*
_M_get_fnumget(void)

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

@ -91,12 +91,12 @@ namespace std {
template<typename _CharT, typename _Traits>
char
basic_ios<_CharT, _Traits>::narrow(char_type __c, char __dfault) const
{ return _M_fctype_ios->narrow(__c, __dfault); }
{ return _M_ios_fctype->narrow(__c, __dfault); }
template<typename _CharT, typename _Traits>
_CharT
basic_ios<_CharT, _Traits>::widen(char __c) const
{ return _M_fctype_ios->widen(__c); }
{ return _M_ios_fctype->widen(__c); }
// Locales:
template<typename _CharT, typename _Traits>
@ -105,7 +105,7 @@ namespace std {
{
locale __old(this->getloc());
ios_base::imbue(__loc);
_M_fctype_ios = &use_facet<__ctype_type>(__loc);
_M_ios_fctype = &use_facet<__ctype_type>(__loc);
_M_fnumput = &use_facet<__numput_type>(__loc);
_M_fnumget = &use_facet<__numget_type>(__loc);
if (this->rdbuf() != 0)
@ -120,7 +120,7 @@ namespace std {
// NB: This may be called more than once on the same object.
ios_base::_M_init();
locale __loc = this->getloc();
_M_fctype_ios = &use_facet<__ctype_type>(__loc);
_M_ios_fctype = &use_facet<__ctype_type>(__loc);
// Should be filled in by ostream and istream, respectively.
_M_fnumput = &use_facet<__numput_type>(__loc);
_M_fnumget = &use_facet<__numget_type>(__loc);

12
libstdc++-v3/bits/fstream.tcc
View File

@ -329,7 +329,7 @@ namespace std
if (!__testpos)
{
*_M_out_cur = traits_type::to_char_type(__c);
_M_buf_bump(1);
_M_out_cur_move(1);
__retval = traits_type::not_eof(__c);
}
else
@ -535,14 +535,14 @@ namespace std
bool __testbeg = gptr() == eback() && pptr() == pbase();
bool __teststate = _M_fcvt->encoding() == -1;
_M_locale_set = true;
if (__testbeg && !__teststate && _M_locale_buf != __loc)
_M_buf_locale_init = true;
if (__testbeg && !__teststate && _M_buf_locale != __loc)
{
// XXX Will need to save these older values.
_M_locale_buf = __loc;
_M_fcvt = &use_facet<__codecvt_type>(_M_locale_buf);
_M_buf_locale = __loc;
_M_fcvt = &use_facet<__codecvt_type>(_M_buf_locale);
// XXX Necessary?
_M_fctype_buf = &use_facet<__ctype_type>(_M_locale_buf);
_M_buf_fctype = &use_facet<__ctype_type>(_M_buf_locale);
}
// NB this may require the reconversion of previously
// converted chars. This in turn may cause the reconstruction

4
libstdc++-v3/bits/ios_base.h
View File

@ -276,7 +276,7 @@ namespace std {
_M_grow_words(int __index);
// Members for locale and locale caching.
locale _M_locale_ios;
locale _M_ios_locale;
void
_M_init();
@ -367,7 +367,7 @@ namespace std {
imbue(const locale& __loc);
inline locale
getloc() const { return _M_locale_ios; }
getloc() const { return _M_ios_locale; }
// Storage:
static int

6
libstdc++-v3/bits/sstream.tcc
View File

@ -102,7 +102,7 @@ namespace std {
_M_really_sync(_M_in_cur - _M_in_beg,
_M_out_cur - _M_out_beg);
*_M_out_cur = traits_type::to_char_type(__c);
_M_buf_bump(1);
_M_out_cur_move(1);
__retval = __c;
}
}
@ -163,7 +163,7 @@ namespace std {
if (__testout
&& __newoffo + __off >= 0 && __endo - __beg >= __newoffo + __off)
{
_M_buf_bump(__newoffo + __off - (_M_out_cur - __beg));
_M_out_cur_move(__newoffo + __off - (_M_out_cur - __beg));
__retval = pos_type(__newoffo);
}
}
@ -199,7 +199,7 @@ namespace std {
if (__testin)
_M_in_cur = _M_in_beg + __pos;
if (__testout)
_M_buf_bump((__pos) - (_M_out_cur - __beg));
_M_out_cur_move((__pos) - (_M_out_cur - __beg));
__retval = pos_type(off_type(__pos));
}

73
libstdc++-v3/bits/std_fstream.h
View File

@ -47,20 +47,19 @@ namespace std {
{
public:
// Types:
typedef _CharT char_type;
typedef _Traits traits_type;
typedef typename _Traits::int_type int_type;
typedef typename _Traits::pos_type pos_type;
typedef typename _Traits::off_type off_type;
typedef _CharT char_type;
typedef _Traits traits_type;
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
// Non-standard Types:
typedef basic_streambuf<_CharT, _Traits> __streambuf_type;
typedef basic_filebuf<_CharT, _Traits> __filebuf_type;
typedef __basic_file __file_type;
typedef typename _Traits::state_type __state_type;
typedef codecvt<_CharT, char, __state_type> __codecvt_type;
typedef typename __codecvt_type::result __res_type;
typedef basic_streambuf<char_type, traits_type> __streambuf_type;
typedef basic_filebuf<char_type, traits_type> __filebuf_type;
typedef __basic_file __file_type;
typedef typename traits_type::state_type __state_type;
typedef codecvt<char_type, char, __state_type> __codecvt_type;
typedef typename __codecvt_type::result __res_type;
friend ios_base; // For sync_with_stdio.
@ -197,15 +196,15 @@ namespace std {
{
public:
// Types:
typedef _CharT char_type;
typedef typename _Traits::int_type int_type;
typedef typename _Traits::pos_type pos_type;
typedef typename _Traits::off_type off_type;
typedef _Traits traits_type;
typedef _CharT char_type;
typedef _Traits traits_type;
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
// Non-standard types:
typedef basic_filebuf<_CharT, _Traits> __filebuf_type;
typedef basic_istream<_CharT, _Traits> __istream_type;
typedef basic_filebuf<char_type, traits_type> __filebuf_type;
typedef basic_istream<char_type, traits_type> __istream_type;
// Constructors/Destructors:
basic_ifstream()
@ -251,17 +250,17 @@ namespace std {
class basic_ofstream : public basic_ostream<_CharT,_Traits>
{
public:
// Types:
typedef _CharT char_type;
typedef typename _Traits::int_type int_type;
typedef typename _Traits::pos_type pos_type;
typedef typename _Traits::off_type off_type;
typedef _Traits traits_type;
// Types:
typedef _CharT char_type;
typedef _Traits traits_type;
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
// Non-standard types:
typedef basic_filebuf<_CharT, _Traits> __filebuf_type;
typedef basic_ostream<_CharT, _Traits> __ostream_type;
typedef basic_filebuf<char_type, traits_type> __filebuf_type;
typedef basic_ostream<char_type, traits_type> __ostream_type;
// Constructors:
basic_ofstream()
: __ostream_type(new __filebuf_type())
@ -312,17 +311,17 @@ namespace std {
class basic_fstream : public basic_iostream<_CharT, _Traits>
{
public:
// Types:
typedef _CharT char_type;
typedef typename _Traits::int_type int_type;
typedef typename _Traits::pos_type pos_type;
typedef typename _Traits::off_type off_type;
typedef _Traits traits_type;
// Types:
typedef _CharT char_type;
typedef _Traits traits_type;
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
// Non-standard types:
typedef basic_filebuf<_CharT, _Traits> __filebuf_type;
typedef basic_ios<_CharT, _Traits> __ios_type;
typedef basic_iostream<_CharT, _Traits> __iostream_type;
typedef basic_filebuf<char_type, traits_type> __filebuf_type;
typedef basic_ios<char_type, traits_type> __ios_type;
typedef basic_iostream<char_type, traits_type> __iostream_type;
// Constructors/destructor:
basic_fstream()

57
libstdc++-v3/bits/std_sstream.h
View File

@ -45,13 +45,14 @@ namespace std {
public:
// Types:
typedef _CharT char_type;
typedef typename _Traits::int_type int_type;
typedef typename _Traits::pos_type pos_type;
typedef typename _Traits::off_type off_type;
typedef _Traits traits_type;
// Non-standard types:
typedef basic_streambuf<_CharT, _Traits> __streambuf_type;
typedef basic_string<_CharT, _Traits, _Alloc> __string_type;
typedef _Traits traits_type;
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
// Non-standard Types:
typedef basic_streambuf<char_type, traits_type> __streambuf_type;
typedef basic_string<char_type, _Traits, _Alloc> __string_type;
typedef typename __string_type::size_type __size_type;
private:
@ -192,16 +193,16 @@ namespace std {
{
public:
// Types:
typedef _CharT char_type;
typedef typename _Traits::int_type int_type;
typedef typename _Traits::pos_type pos_type;
typedef typename _Traits::off_type off_type;
typedef _Traits traits_type;
typedef _CharT char_type;
typedef _Traits traits_type;
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
// Non-standard types:
typedef basic_string<_CharT, _Traits, _Alloc> __string_type;
typedef basic_stringbuf<_CharT, _Traits, _Alloc> __stringbuf_type;
typedef basic_istream<_CharT, _Traits> __istream_type;
typedef basic_istream<char_type, traits_type> __istream_type;
// Constructors:
explicit
@ -245,15 +246,16 @@ namespace std {
{
public:
// Types:
typedef _CharT char_type;
typedef typename _Traits::int_type int_type;
typedef typename _Traits::pos_type pos_type;
typedef typename _Traits::off_type off_type;
typedef _Traits traits_type;
typedef _CharT char_type;
typedef _Traits traits_type;
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
// Non-standard types:
typedef basic_string<_CharT, _Traits, _Alloc> __string_type;
typedef basic_stringbuf<_CharT, _Traits, _Alloc> __stringbuf_type;
typedef basic_ostream<_CharT, _Traits> __ostream_type;
typedef basic_ostream<char_type, traits_type> __ostream_type;
// Constructors/destructor:
explicit
@ -296,16 +298,17 @@ namespace std {
class basic_stringstream : public basic_iostream<_CharT, _Traits>
{
public:
// Types
typedef _CharT char_type;
typedef typename _Traits::int_type int_type;
typedef typename _Traits::pos_type pos_type;
typedef typename _Traits::off_type off_type;
typedef _Traits traits_type;
// Non-standard types:
// Types:
typedef _CharT char_type;
typedef _Traits traits_type;
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
// Non-standard Types:
typedef basic_string<_CharT, _Traits, _Alloc> __string_type;
typedef basic_stringbuf<_CharT, _Traits, _Alloc> __stringbuf_type;
typedef basic_iostream<_CharT, _Traits> __iostream_type;
typedef basic_iostream<char_type, traits_type> __iostream_type;
// Constructors/destructors
explicit

58
libstdc++-v3/bits/std_streambuf.h
View File

@ -55,14 +55,14 @@ namespace std {
public:
// Types:
typedef _CharT char_type;
typedef typename _Traits::int_type int_type;
typedef typename _Traits::pos_type pos_type;
typedef typename _Traits::off_type off_type;
typedef _Traits traits_type;
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
// Non-standard Types:
typedef ctype<_CharT> __ctype_type;
typedef basic_streambuf<_CharT, _Traits> __streambuf_type;
typedef ctype<char_type> __ctype_type;
typedef basic_streambuf<char_type, traits_type> __streambuf_type;
friend class basic_ios<char_type, traits_type>;
friend class basic_istream<char_type, traits_type>;
@ -71,9 +71,8 @@ namespace std {
friend class ostreambuf_iterator<char_type, traits_type>;
friend streamsize
_S_copy_streambufs<>(basic_ios<_CharT, _Traits>& __ios,
basic_streambuf<_CharT, _Traits>* __sbin,
basic_streambuf<_CharT, _Traits>* __sbout);
_S_copy_streambufs<>(basic_ios<char_type, traits_type>& __ios,
__streambuf_type* __sbin,__streambuf_type* __sbout);
protected:
@ -110,13 +109,13 @@ namespace std {
ios_base::openmode _M_mode;
// Current locale setting.
locale _M_locale_buf;
locale _M_buf_locale;
// True iff locale is initialized.
bool _M_locale_set;
bool _M_buf_locale_init;
// Cached use_facet<ctype>, which is based on the current locale info.
const __ctype_type* _M_fctype_buf;
const __ctype_type* _M_buf_fctype;
// Correctly sets the _M_out_cur pointer, and bumps the
// appropriate _M_*_end pointers as well. Necessary for the
@ -127,23 +126,24 @@ namespace std {
// the same range:
// _M_buf <= _M_*_ <= _M_buf + _M_buf_size
void
_M_buf_bump(off_type __n) // argument needs to be +-
_M_out_cur_move(off_type __n) // argument needs to be +-
{
bool __testin = _M_mode & ios_base::in;
bool __testout = _M_mode & ios_base::out;
_M_out_cur += __n;
if (_M_buf_unified && __testin)
_M_in_cur = _M_out_cur;
if (__testin && _M_buf_unified)
_M_in_cur += __n;
if (_M_out_cur > _M_out_end)
{
_M_out_end = _M_out_cur;
if (__testin && __testout && _M_out_end > _M_in_end)
_M_in_end = _M_out_cur;
// NB: in | out buffers drag the _M_in_end pointer along...
if (__testin)
_M_in_end += __n;
}
}
// These three functions are used to clarify internal buffer
// maintance. After an overflow, or after a seekoff call that
// maintenance. After an overflow, or after a seekoff call that
// started at beg or end, or possibly when the stream becomes
// unbuffered, and a myrid other obscure corner cases, the
// internal buffer does not truly reflect the contents of the
@ -193,8 +193,8 @@ namespace std {
_M_buf_size = 0;
_M_buf_size_opt = 0;
_M_mode = ios_base::openmode(0);
_M_fctype_buf = NULL;
_M_locale_set = false;
_M_buf_fctype = NULL;
_M_buf_locale_init = false;
}
// Locales:
@ -209,8 +209,8 @@ namespace std {
locale
getloc() const
{
if (_M_locale_set)
return _M_locale_buf;
if (_M_buf_locale_init)
return _M_buf_locale;
else
return locale();
}
@ -292,10 +292,10 @@ namespace std {
_M_buf_size_opt(static_cast<int_type>(BUFSIZ * sizeof(char_type))),
_M_buf_unified(false), _M_in_cur(0), _M_in_beg(0), _M_in_end(0),
_M_out_cur(0), _M_out_beg(0), _M_out_end(0),
_M_mode(ios_base::openmode(0)), _M_locale_buf(locale()),
_M_locale_set(false)
_M_mode(ios_base::openmode(0)), _M_buf_locale(locale()),
_M_buf_locale_init(false)
{ _M_fctype_buf = &use_facet<__ctype_type>(this->getloc()); }
{ _M_buf_fctype = &use_facet<__ctype_type>(this->getloc()); }
// Get area:
char_type*
@ -353,11 +353,11 @@ namespace std {
virtual void
imbue(const locale& __loc)
{
_M_locale_set = true;
if (_M_locale_buf != __loc)
_M_buf_locale_init = true;
if (_M_buf_locale != __loc)
{
_M_locale_buf = __loc;
_M_fctype_buf = &use_facet<__ctype_type>(_M_locale_buf);
_M_buf_locale = __loc;
_M_buf_fctype = &use_facet<__ctype_type>(_M_buf_locale);
}
}

4
libstdc++-v3/bits/streambuf.tcc
View File

@ -108,7 +108,7 @@ namespace std {
if (_M_out_cur && _M_out_cur < _M_out_beg + _M_buf_size)
{
*_M_out_cur = __c;
_M_buf_bump(1);
_M_out_cur_move(1);
__retval = traits_type::to_int_type(__c);
}
else
@ -198,7 +198,7 @@ namespace std {
traits_type::copy(_M_out_cur, __s, __len);
__retval += __len;
__s += __len;
_M_buf_bump(__len);
_M_out_cur_move(__len);
}
}
}

6
libstdc++-v3/src/ios.cc
View File

@ -201,7 +201,7 @@ namespace std {
_M_callbacks = 0;
_M_words = 0;
_M_word_limit = 0;
_M_locale_ios = locale();
_M_ios_locale = locale();
// No init needed for _M_word_array or _M_dummy.
}
@ -209,8 +209,8 @@ namespace std {
locale
ios_base::imbue(const locale& __loc)
{
locale __old = _M_locale_ios;
_M_locale_ios = __loc;
locale __old = _M_ios_locale;
_M_ios_locale = __loc;
// Make sure there's a callback for the format caches so they will be
// marked dirty.
_Format_cache<char>::_S_get(*this);