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libstdc++: Implement C++20 features for <sstream>

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New ctors and ::view() accessor for -
  * basic_stingbuf
  * basic_istringstream
  * basic_ostringstream
  * basic_stringstreamm

New ::get_allocator() accessor for basic_stringbuf.

libstdc++-v3/ChangeLog:
	* acinclude.m4 (glibcxx_SUBDIRS): Add src/c++20.
	* config/abi/pre/gnu.ver (GLIBCXX_3.4.29): New symbols.
	* configure: Regenerate.
	* include/std/sstream:
	(basic_stringbuf::basic_stringbuf(allocator const&)): New constructor.
	(basic_stringbuf::basic_stringbuf(openmode, allocator const&)): Likewise.
	(basic_stringbuf::basic_stringbuf(basic_string&&, openmode)): Likewise.
	(basic_stringbuf::basic_stringbuf(basic_stringbuf&&, allocator const&)):
	Likewise.
	(basic_stringbuf::get_allocator()): New method.
	(basic_stringbuf::view()): Likewise.
	(basic_istringstream::basic_istringstream(basic_string&&, openmode)):
	New constructor.
	(basic_istringstream::basic_istringstream(openmode, allocator const&)):
	Likewise
	(basic_istringstream::view()): New method.
	(basic_ostringstream::basic_ostringstream(basic_string&&, openmode)):
	New constructor.
	(basic_ostringstream::basic_ostringstream(openmode, allocator const&)):
	Likewise
	(basic_ostringstream::view()): New method.
	(basic_stringstream::basic_stringstream(basic_string&&, openmode)):
	New constructor.
	(basic_stringstream::basic_stringstream(openmode, allocator const&)):
	Likewise
	(basic_stringstream::view()): New method.
	* src/Makefile.in: Add c++20 directory.
	* src/Makefile.am: Regenerate.
	* src/c++20/Makefile.am: Add makefile for new sub-directory.
	* src/c++20/Makefile.in: Generate.
	* src/c++20/sstream-inst.cc: New file defining explicit
	instantiations for basic_stringbuf, basic_istringstream,
	basic_ostringstream, and basic_stringstream member functions
	added in C++20.
	* testsuite/27_io/basic_stringbuf/cons/char/2.cc: New test.
	* testsuite/27_io/basic_stringbuf/cons/wchar_t/2.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/view/char/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/view/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_istringstream/cons/char/1.cc: Likewise.
	* testsuite/27_io/basic_istringstream/cons/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_istringstream/view/char/1.cc: Likewise.
	* testsuite/27_io/basic_istringstream/view/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_ostringstream/cons/char/1.cc: Likewise.
	* testsuite/27_io/basic_ostringstream/cons/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_ostringstream/view/char/1.cc: Likewise.
	* testsuite/27_io/basic_ostringstream/view/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_stringstream/cons/char/1.cc: Likewise.
	* testsuite/27_io/basic_stringstream/cons/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_stringstream/view/char/1.cc: Likewise.
	* testsuite/27_io/basic_stringstream/view/wchar_t/1.cc: Likewise.
This commit is contained in:
Thomas Rodgers 2020-10-28 11:52:17 -07:00
parent 4289e488dd
commit a0e4d7b44c
25 changed files with 2287 additions and 25 deletions
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2
libstdc++-v3/acinclude.m4
View File

@ -49,7 +49,7 @@ AC_DEFUN([GLIBCXX_CONFIGURE], [
# Keep these sync'd with the list in Makefile.am. The first provides an
# expandable list at autoconf time; the second provides an expandable list
# (i.e., shell variable) at configure time.
m4_define([glibcxx_SUBDIRS],[include libsupc++ src src/c++98 src/c++11 src/c++17 src/filesystem doc po testsuite python])
m4_define([glibcxx_SUBDIRS],[include libsupc++ src src/c++98 src/c++11 src/c++17 src/c++20 src/filesystem doc po testsuite python])
SUBDIRS='glibcxx_SUBDIRS'
# These need to be absolute paths, yet at the same time need to

108
libstdc++-v3/config/abi/pre/gnu.ver
View File

@ -1769,21 +1769,31 @@ GLIBCXX_3.4.21 {
# ABI-tagged stringstreams
# _ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]*;
_ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]E[ORS]*;
_ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]EOS4_;
_ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]EOSa*;
_ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]ERKNS_12basic_stringI[cw]S2_S3_EESt13_Ios_Openmode;
_ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]ESt13_Ios_Openmode;
_ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EED[012]Ev;
_ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]*__xfer_bufptrs*;
_ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EE[a1346789]*;
# _ZNSt7__cxx1118basic_stringstreamI[cw]St11char_traitsI[cw]*;
_ZNSt7__cxx1118basic_stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]E[ORS]*;
_ZNSt7__cxx1118basic_stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]EOS4_;
_ZNSt7__cxx1118basic_stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]EOSa*;
_ZNSt7__cxx1118basic_stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]ERKNS_12basic_stringI[cw]S2_S3_EESt13_Ios_Openmode;
_ZNSt7__cxx1118basic_stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]ESt13_Ios_Openmode;
_ZNSt7__cxx1118basic_stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EED[012]Ev;
_ZNSt7__cxx1118basic_stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EE[a34]*;
# _ZNSt7__cxx1119basic_istringstreamI[cw]St11char_traitsI[cw]*;
# _ZNSt7__cxx1119basic_ostringstreamI[cw]St11char_traitsI[cw]*;
_ZNSt7__cxx1119basic_[io]stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]E[ORS]*;
_ZNSt7__cxx1119basic_[io]stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]EOS4_;
_ZNSt7__cxx1119basic_[io]stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]EOSa*;
_ZNSt7__cxx1119basic_[io]stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]ERKNS_12basic_stringI[cw]S2_S3_EESt13_Ios_Openmode;
_ZNSt7__cxx1119basic_[io]stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]ESt13_Ios_Openmode;
_ZNSt7__cxx1119basic_[io]stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EED[012]Ev;
_ZNSt7__cxx1119basic_[io]stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EE[a34]*;
_ZNKSt7__cxx1115basic_stringbuf*;
_ZNKSt7__cxx1118basic_stringstream*;
_ZNKSt7__cxx1118basic_stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EE3strEv;
_ZNKSt7__cxx1118basic_stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EE5rdbufEv;
_ZNKSt7__cxx1119basic_istringstream*;
_ZNKSt7__cxx1119basic_ostringstream*;
_ZT[ISTV]NSt7__cxx1115basic_stringbuf*;
@ -2325,6 +2335,87 @@ GLIBCXX_3.4.29 {
# std::__throw_bad_array_new_length()
_ZSt28__throw_bad_array_new_lengthv;
# basic_stringbuf::basic_stringbuf(allocator const&)
_ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EEC1ERKS3_;
# basic_stringbuf::basic_stringbuf(ios_base::openmode, allocator const&)
_ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EEC1ESt13_Ios_OpenmodeRKS3;
# basic_stringbuf::basic_stringbuf(basic_string&&, ios_base::openmode)
_ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EEC1EONS_12basic_stringI[cw]S2_S3_EESt13_Ios_Openmode;
# basic_stringbuf::basic_stringbuf(basic_stringbuf&&, allocator const&)
_ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaIcEEC1EOS4_RKS3_;
# basic_stringbuf::get_allocator()
_ZNKSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EE13get_allocatorEv;
# basic_stringbuf::view()
_ZNKSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EE4viewEv;
# basic_istringstream::basic_istringstream(basic_string&&, ios_base::openmode)
_ZNSt7__cxx1119basic_istringstreamI[cw]St11char_traitsI[cw]ESaIcEEC1EONS_12basic_stringI[cw]S2_S3_EESt13_Ios_Openmode;
# basic_istringstream::basic_istringstream(ios_base::openmode, allocator const&)
_ZNSt7__cxx1119basic_istringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EEC1ESt13_Ios_OpenmodeRKS3_;
# basic_istringstream::view()
_ZNKSt7__cxx1119basic_istringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EE4viewEv;
# basic_ostringstream::basic_ostringstream(basic_string&&, ios_base::openmode)
_ZNSt7__cxx1119basic_ostringstreamI[cw]St11char_traitsI[cw]ESaIcEEC1EONS_12basic_stringI[cw]S2_S3_EESt13_Ios_Openmode;
# basic_ostringstream::basic_ostringstream(ios_base::openmode, allocator const&)
_ZNSt7__cxx1119basic_ostringstreamI[cw]St11char_traitsI[cw]ESaIcEEC1ESt13_Ios_OpenmodeRKS3_;
# basic_ostringstream::view()
_ZNKSt7__cxx1119basic_ostringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EE4viewEv;
# basic_stringstream::basic_stringstream(basic_string&&, ios_base::openmode)
_ZNSt7__cxx1119basic_stringstreamI[cw]St11char_traitsI[cw]ESaIcEEC1EONS_12basic_stringI[cw]S2_S3_EESt13_Ios_Openmode;
# basic_stringstream::basic_stringstream(ios_base::openmode, allocator const&)
_ZNSt7__cxx1119basic_stringstreamI[cw]St11char_traitsI[cw]ESaIcEEC1ESt13_Ios_OpenmodeRKS3_;
# basic_stringstream::view()
_ZNKSt7__cxx1119basic_stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EE4viewEv;
# basic_stringbuf::basic_stringbuf(allocator const&)
_ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]ERKS3_;
# basic_stringbuf::basic_stringbuf(ios_base::openmode, allocator const&)
_ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]ESt13_Ios_OpenmodeRKS3_;
# basic_stringbuf::basic_stringbuf(basic_string&&, ios_base::openmode)
_ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]EONS_12basic_stringI[cw]S2_S3_EESt13_Ios_Openmode;
# basic_stringbuf::basic_stringbuf(basic_stringbuf&&, allocator const&)
_ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]EOS4_RKS3_;
# basic_stringbuf::get_allocator()
_ZNKSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EE13get_allocatorEv;
# basic_stringbuf::view()
_ZNKSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EE4viewEv;
# basic_istringstream::basic_istringstream(basic_string&&, ios_base::openmode)
_ZNSt7__cxx1119basic_[io]stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]EONS_12basic_stringI[cw]S2_S3_EESt13_Ios_Openmode;
# basic_[io]stringstream::basic_[io]stringstream(ios_base::openmode, allocator const&)
_ZNSt7__cxx1119basic_[io]stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]ESt13_Ios_OpenmodeRKS3_;
# basic_istringstream::view()
_ZNKSt7__cxx1119basic_[io]stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EE4viewEv;
# basic_stringstream::basic_stringstream(basic_string&&, ios_base::openmode)
_ZNSt7__cxx1118basic_stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]EONS_12basic_stringI[cw]S2_S3_EESt13_Ios_Openmode;
# basic_stringstream::basic_stringstream(ios_base::openmode, allocator const&)
_ZNSt7__cxx1118basic_stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]ESt13_Ios_OpenmodeRKS3_;
# basic_stringstream::view()
_ZNKSt7__cxx1118basic_stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EE4viewEv;
} GLIBCXX_3.4.28;
# Symbols in the support library (libsupc++) have their own tag.
@ -2625,15 +2716,6 @@ CXXABI_1.3.12 {
} CXXABI_1.3.11;
CXXABI_1.3.13 {
# std::exception_ptr::_M_addref()
_ZNSt15__exception_ptr13exception_ptr9_M_addrefEv;
# std::exception_ptr::_M_release()
_ZNSt15__exception_ptr13exception_ptr10_M_releaseEv;
} CXXABI_1.3.12;
# Symbols in the support library (libsupc++) supporting transactional memory.
CXXABI_TM_1 {

16
libstdc++-v3/configure vendored
View File

@ -5418,7 +5418,7 @@ $as_echo "$ac_cv_path_EGREP" >&6; }
# expandable list at autoconf time; the second provides an expandable list
# (i.e., shell variable) at configure time.
SUBDIRS='include libsupc++ src src/c++98 src/c++11 src/c++17 src/filesystem doc po testsuite python'
SUBDIRS='include libsupc++ src src/c++98 src/c++11 src/c++17 src/c++20 src/filesystem doc po testsuite python'
# These need to be absolute paths, yet at the same time need to
# canonicalize only relative paths, because then amd will not unmount
@ -78394,7 +78394,7 @@ ac_config_files="$ac_config_files doc/xsl/customization.xsl"
# append it here. Only modify Makefiles that have just been created.
#
# Also, get rid of this simulated-VPATH thing that automake does.
ac_config_files="$ac_config_files include/Makefile libsupc++/Makefile src/Makefile src/c++98/Makefile src/c++11/Makefile src/c++17/Makefile src/filesystem/Makefile doc/Makefile po/Makefile testsuite/Makefile python/Makefile"
ac_config_files="$ac_config_files include/Makefile libsupc++/Makefile src/Makefile src/c++98/Makefile src/c++11/Makefile src/c++17/Makefile src/c++20/Makefile src/filesystem/Makefile doc/Makefile po/Makefile testsuite/Makefile python/Makefile"
ac_config_commands="$ac_config_commands generate-headers"
@ -79650,6 +79650,7 @@ do
"src/c++98/Makefile") CONFIG_FILES="$CONFIG_FILES src/c++98/Makefile" ;;
"src/c++11/Makefile") CONFIG_FILES="$CONFIG_FILES src/c++11/Makefile" ;;
"src/c++17/Makefile") CONFIG_FILES="$CONFIG_FILES src/c++17/Makefile" ;;
"src/c++20/Makefile") CONFIG_FILES="$CONFIG_FILES src/c++20/Makefile" ;;
"src/filesystem/Makefile") CONFIG_FILES="$CONFIG_FILES src/filesystem/Makefile" ;;
"doc/Makefile") CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;;
"po/Makefile") CONFIG_FILES="$CONFIG_FILES po/Makefile" ;;
@ -81500,6 +81501,17 @@ _EOF
;;
"src/c++17/Makefile":F) cat > vpsed$$ << \_EOF
s!`test -f '$<' || echo '$(srcdir)/'`!!
_EOF
sed -f vpsed$$ $ac_file > tmp$$
mv tmp$$ $ac_file
rm vpsed$$
echo 'MULTISUBDIR =' >> $ac_file
ml_norecursion=yes
. ${multi_basedir}/config-ml.in
{ ml_norecursion=; unset ml_norecursion;}
;;
"src/c++20/Makefile":F) cat > vpsed$$ << \_EOF
s!`test -f '$<' || echo '$(srcdir)/'`!!
_EOF
sed -f vpsed$$ $ac_file > tmp$$
mv tmp$$ $ac_file

196
libstdc++-v3/include/std/sstream
View File

@ -165,6 +165,55 @@ _GLIBCXX_BEGIN_NAMESPACE_CXX11
}
#endif
#if __cplusplus > 201703L && _GLIBCXX_USE_CXX11_ABI
using __sv_type = basic_string_view<char_type, traits_type>;
basic_stringbuf(const allocator_type& __a)
: basic_stringbuf(ios_base::in | std::ios_base::out, __a)
{ }
basic_stringbuf(ios_base::openmode __mode,
const allocator_type& __a)
: __streambuf_type(), _M_mode(__mode), _M_string(__a)
{ }
explicit
basic_stringbuf(__string_type&& __s,
ios_base::openmode __mode = ios_base::in
| ios_base::out )
: __streambuf_type(), _M_mode(__mode), _M_string(move(__s))
{ }
template<typename _SAlloc>
basic_stringbuf(const basic_string<_CharT, _Traits, _SAlloc>& __s,
const allocator_type& __a )
: basic_stringbuf(__s, ios_base::in | std::ios_base::out, __a )
{ }
template<typename _SAlloc>
basic_stringbuf(const basic_string<_CharT, _Traits, _SAlloc>& __s,
ios_base::openmode __mode,
const allocator_type& __a)
: __streambuf_type(), _M_mode(__mode),
_M_string(static_cast<__sv_type>(__s), __a)
{ }
template<typename _SAlloc>
explicit
basic_stringbuf(const basic_string<_CharT, _Traits, _SAlloc>& __s,
ios_base::openmode __mode = ios_base::in
| ios_base::out)
: basic_stringbuf(__s, __mode, allocator_type{})
{ }
basic_stringbuf(basic_stringbuf&& __rhs, const allocator_type& __a)
: basic_stringbuf(std::move(__rhs), __a, __xfer_bufptrs(__rhs, this))
{ __rhs._M_sync(const_cast<char_type*>(__rhs._M_string.data()), 0, 0); }
allocator_type get_allocator() const noexcept
{ return _M_string.get_allocator(); }
#endif
// Get and set:
/**
* @brief Copying out the string buffer.
@ -208,6 +257,23 @@ _GLIBCXX_BEGIN_NAMESPACE_CXX11
_M_stringbuf_init(_M_mode);
}
#if __cplusplus > 201703L && _GLIBCXX_USE_CXX11_ABI
__sv_type
view() const noexcept
{
if (this->pptr())
{
// The current egptr() may not be the actual string end.
if (this->pptr() > this->egptr())
return __sv_type(this->pbase(), this->pptr());
else
return __sv_type(this->pbase(), this->egptr());
}
else
return static_cast<__sv_type>(_M_string);
}
#endif
protected:
// Common initialization code goes here.
void
@ -370,6 +436,16 @@ _GLIBCXX_BEGIN_NAMESPACE_CXX11
: __streambuf_type(static_cast<const __streambuf_type&>(__rhs)),
_M_mode(__rhs._M_mode), _M_string(std::move(__rhs._M_string))
{ }
#if __cplusplus > 201703L && _GLIBCXX_USE_CXX11_ABI
// The move constructor initializes an __xfer_bufptrs temporary then
// delegates to this constructor to performs moves during its lifetime.
basic_stringbuf(basic_stringbuf&& __rhs, const allocator_type& __a,
__xfer_bufptrs&&)
: __streambuf_type(static_cast<const __streambuf_type&>(__rhs)),
_M_mode(__rhs._M_mode), _M_string(std::move(__rhs._M_string), __a)
{ }
#endif
#endif
};
@ -501,6 +577,40 @@ _GLIBCXX_BEGIN_NAMESPACE_CXX11
}
#endif
#if __cplusplus > 201703L && _GLIBCXX_USE_CXX11_ABI
basic_istringstream(ios_base::openmode __mode, const allocator_type& __a)
: __istream_type(), _M_stringbuf(__mode | ios_base::in, __a)
{ this->init(std::__addressof(_M_stringbuf)); }
explicit
basic_istringstream(__string_type&& __str,
ios_base::openmode __mode = ios_base::in )
: __istream_type(), _M_stringbuf(std::move(__str), __mode | ios_base::in)
{ this->init(std::__addressof(_M_stringbuf)); }
template<typename _SAlloc>
basic_istringstream(const basic_string<_CharT, _Traits, _SAlloc>& __str,
const allocator_type& __a)
: basic_istringstream(__str, ios_base::in, __a)
{ }
template<typename _SAlloc>
basic_istringstream(const basic_string<_CharT, _Traits, _SAlloc>& __str,
ios_base::openmode __mode,
const allocator_type& __a)
: __istream_type(),
_M_stringbuf(__string_type(__str.data(), __str.size()),
__mode | ios_base::in, __a)
{ this->init(std::__addressof(_M_stringbuf)); }
template<typename _SAlloc>
explicit
basic_istringstream(const basic_string<_CharT, _Traits, _SAlloc>& __str,
ios_base::openmode __mode = ios_base::in)
: basic_istringstream(__str, __mode, allocator_type())
{ }
#endif
// Members:
/**
* @brief Accessing the underlying buffer.
@ -529,6 +639,12 @@ _GLIBCXX_BEGIN_NAMESPACE_CXX11
void
str(const __string_type& __s)
{ _M_stringbuf.str(__s); }
#if __cplusplus > 201703L && _GLIBCXX_USE_CXX11_ABI
basic_string_view<char_type, traits_type>
view() const noexcept
{ return _M_stringbuf.view(); }
#endif
};
@ -659,6 +775,40 @@ _GLIBCXX_BEGIN_NAMESPACE_CXX11
}
#endif
#if __cplusplus > 201703L && _GLIBCXX_USE_CXX11_ABI
basic_ostringstream(ios_base::openmode __mode, const allocator_type& __a)
: __ostream_type(), _M_stringbuf(__mode | ios_base::out, __a)
{ this->init(std::__addressof(_M_stringbuf)); }
explicit
basic_ostringstream(__string_type&& __str,
ios_base::openmode __mode = ios_base::out )
: __ostream_type(), _M_stringbuf(std::move(__str), __mode | ios_base::out)
{ this->init(std::__addressof(_M_stringbuf)); }
template<typename _SAlloc>
basic_ostringstream(const basic_string<_CharT, _Traits, _SAlloc>& __str,
const allocator_type& __a)
: basic_ostringstream(__str, ios_base::out, __a)
{ }
template<typename _SAlloc>
basic_ostringstream(const basic_string<_CharT, _Traits, _SAlloc>& __str,
ios_base::openmode __mode,
const allocator_type& __a)
: __ostream_type(),
_M_stringbuf(__string_type(__str.data(), __str.size()),
__mode | ios_base::out, __a)
{ this->init(std::__addressof(_M_stringbuf)); }
template<typename _SAlloc>
explicit
basic_ostringstream(const basic_string<_CharT, _Traits, _SAlloc>& __str,
ios_base::openmode __mode = ios_base::out)
: basic_ostringstream(__str, __mode, allocator_type())
{ }
#endif
// Members:
/**
* @brief Accessing the underlying buffer.
@ -687,6 +837,12 @@ _GLIBCXX_BEGIN_NAMESPACE_CXX11
void
str(const __string_type& __s)
{ _M_stringbuf.str(__s); }
#if __cplusplus > 201703L && _GLIBCXX_USE_CXX11_ABI
basic_string_view<char_type, traits_type>
view() const noexcept
{ return _M_stringbuf.view(); }
#endif
};
@ -813,6 +969,40 @@ _GLIBCXX_BEGIN_NAMESPACE_CXX11
}
#endif
#if __cplusplus > 201703L && _GLIBCXX_USE_CXX11_ABI
basic_stringstream(ios_base::openmode __mode, const allocator_type& __a)
: __iostream_type(), _M_stringbuf(__mode, __a)
{ this->init(&_M_stringbuf); }
explicit
basic_stringstream(__string_type&& __str,
ios_base::openmode __mode = ios_base::out
| ios_base::out)
: __iostream_type(), _M_stringbuf(std::move(__str), __mode)
{ this->init(std::__addressof(_M_stringbuf)); }
template<typename _SAlloc>
basic_stringstream(const basic_string<_CharT, _Traits, _SAlloc>& __str,
const allocator_type& __a)
: basic_stringstream(__str, ios_base::in | ios_base::out, __a)
{ }
template<typename _SAlloc>
basic_stringstream(const basic_string<_CharT, _Traits, _SAlloc>& __str,
ios_base::openmode __mode, const allocator_type& __a)
: __iostream_type(),
_M_stringbuf(__string_type(__str.data(), __str.size()), __mode, __a)
{ this->init(std::__addressof(_M_stringbuf)); }
template<typename _SAlloc>
explicit
basic_stringstream(const basic_string<_CharT, _Traits, _SAlloc>& __str,
ios_base::openmode __mode = ios_base::in
| ios_base::out)
: basic_stringstream(__str, __mode, allocator_type())
{ }
#endif
// Members:
/**
* @brief Accessing the underlying buffer.
@ -841,6 +1031,12 @@ _GLIBCXX_BEGIN_NAMESPACE_CXX11
void
str(const __string_type& __s)
{ _M_stringbuf.str(__s); }
#if __cplusplus > 201703L && _GLIBCXX_USE_CXX11_ABI
basic_string_view<char_type, traits_type>
view() const noexcept
{ return _M_stringbuf.view(); }
#endif
};
#if __cplusplus >= 201103L

12
libstdc++-v3/src/Makefile.am
View File

@ -29,7 +29,7 @@ filesystem_dir =
endif
## Keep this list sync'd with acinclude.m4:GLIBCXX_CONFIGURE.
SUBDIRS = c++98 c++11 c++17 $(filesystem_dir)
SUBDIRS = c++98 c++11 c++17 c++20 $(filesystem_dir)
# Cross compiler support.
if VTV_CYGMIN
@ -60,6 +60,7 @@ endif
vpath % $(top_srcdir)/src/c++98
vpath % $(top_srcdir)/src/c++11
vpath % $(top_srcdir)/src/c++17
vpath % $(top_srcdir)/src/c++20
if ENABLE_FILESYSTEM_TS
vpath % $(top_srcdir)/src/filesystem
endif
@ -95,14 +96,16 @@ libstdc___la_LIBADD = \
$(top_builddir)/libsupc++/libsupc++convenience.la \
$(top_builddir)/src/c++98/libc++98convenience.la \
$(top_builddir)/src/c++11/libc++11convenience.la \
$(top_builddir)/src/c++17/libc++17convenience.la
$(top_builddir)/src/c++17/libc++17convenience.la \
$(top_builddir)/src/c++20/libc++20convenience.la
libstdc___la_DEPENDENCIES = \
${version_dep} \
$(top_builddir)/libsupc++/libsupc++convenience.la \
$(top_builddir)/src/c++98/libc++98convenience.la \
$(top_builddir)/src/c++11/libc++11convenience.la \
$(top_builddir)/src/c++17/libc++17convenience.la
$(top_builddir)/src/c++17/libc++17convenience.la \
$(top_builddir)/src/c++20/libc++20convenience.la
libstdc___la_LDFLAGS = \
-version-info $(libtool_VERSION) ${version_arg} -lm
@ -153,7 +156,8 @@ compatibility-condvar.o: compatibility-condvar.cc
# segregated in the sources with -D_GLIBCXX_SHARED.
#
# In the sub-directories of libsupc++, src/c++98, src/c++11, src/c++17,
# only -prefer-pic objects are generated for the convenience libraries.
# src/c++20, only -prefer-pic objects are generated for the convenience
# libraries.
#
# In the main src directory, make shared and static objects just for
# the compat libraries. Shared objects are compiled with -prefer-pic

14
libstdc++-v3/src/Makefile.in
View File

@ -234,7 +234,7 @@ am__define_uniq_tagged_files = \
done | $(am__uniquify_input)`
ETAGS = etags
CTAGS = ctags
DIST_SUBDIRS = c++98 c++11 c++17 filesystem
DIST_SUBDIRS = c++98 c++11 c++17 c++20 filesystem
ABI_TWEAKS_SRCDIR = @ABI_TWEAKS_SRCDIR@
ACLOCAL = @ACLOCAL@
ALLOCATOR_H = @ALLOCATOR_H@
@ -464,7 +464,7 @@ WARN_CXXFLAGS = \
AM_CPPFLAGS = $(GLIBCXX_INCLUDES) $(CPPFLAGS)
@ENABLE_FILESYSTEM_TS_FALSE@filesystem_dir =
@ENABLE_FILESYSTEM_TS_TRUE@filesystem_dir = filesystem
SUBDIRS = c++98 c++11 c++17 $(filesystem_dir)
SUBDIRS = c++98 c++11 c++17 c++20 $(filesystem_dir)
@VTV_CYGMIN_FALSE@toolexeclib_LTLIBRARIES = libstdc++.la
# Cross compiler support.
@ -505,14 +505,16 @@ libstdc___la_LIBADD = \
$(top_builddir)/libsupc++/libsupc++convenience.la \
$(top_builddir)/src/c++98/libc++98convenience.la \
$(top_builddir)/src/c++11/libc++11convenience.la \
$(top_builddir)/src/c++17/libc++17convenience.la
$(top_builddir)/src/c++17/libc++17convenience.la \
$(top_builddir)/src/c++20/libc++20convenience.la
libstdc___la_DEPENDENCIES = \
${version_dep} \
$(top_builddir)/libsupc++/libsupc++convenience.la \
$(top_builddir)/src/c++98/libc++98convenience.la \
$(top_builddir)/src/c++11/libc++11convenience.la \
$(top_builddir)/src/c++17/libc++17convenience.la
$(top_builddir)/src/c++17/libc++17convenience.la \
$(top_builddir)/src/c++20/libc++20convenience.la
libstdc___la_LDFLAGS = \
-version-info $(libtool_VERSION) ${version_arg} -lm
@ -528,7 +530,8 @@ libstdc___la_LINK = $(CXXLINK) $(libstdc___la_LDFLAGS)
# segregated in the sources with -D_GLIBCXX_SHARED.
#
# In the sub-directories of libsupc++, src/c++98, src/c++11, src/c++17,
# only -prefer-pic objects are generated for the convenience libraries.
# src/c++20, only -prefer-pic objects are generated for the convenience
# libraries.
#
# In the main src directory, make shared and static objects just for
# the compat libraries. Shared objects are compiled with -prefer-pic
@ -957,6 +960,7 @@ uninstall-am: uninstall-toolexeclibLTLIBRARIES
vpath % $(top_srcdir)/src/c++98
vpath % $(top_srcdir)/src/c++11
vpath % $(top_srcdir)/src/c++17
vpath % $(top_srcdir)/src/c++20
@ENABLE_FILESYSTEM_TS_TRUE@vpath % $(top_srcdir)/src/filesystem
# Use special rules for compatibility-ldbl.cc compilation, as we need to

105
libstdc++-v3/src/c++20/Makefile.am Normal file
View File

@ -0,0 +1,105 @@
## Makefile for the C++20 sources of the GNU C++ Standard library.
##
## Copyright (C) 1997-2020 Free Software Foundation, Inc.
##
## This file is part of the libstdc++ version 3 distribution.
## Process this file with automake to produce Makefile.in.
## 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
## terms of the GNU General Public License as published by the
## Free Software Foundation; either version 3, or (at your option)
## any later version.
## This library is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
## You should have received a copy of the GNU General Public License along
## with this library; see the file COPYING3. If not see
## <http://www.gnu.org/licenses/>.
include $(top_srcdir)/fragment.am
# Convenience library for C++17 runtime.
noinst_LTLIBRARIES = libc++20convenience.la
headers =
if ENABLE_EXTERN_TEMPLATE
# XTEMPLATE_FLAGS = -fno-implicit-templates
inst_sources = \
sstream-inst.cc
else
# XTEMPLATE_FLAGS =
inst_sources =
endif
sources =
vpath % $(top_srcdir)/src/c++20
libc__20convenience_la_SOURCES = $(sources) $(inst_sources)
# AM_CXXFLAGS needs to be in each subdirectory so that it can be
# modified in a per-library or per-sub-library way. Need to manually
# set this option because CONFIG_CXXFLAGS has to be after
# OPTIMIZE_CXXFLAGS on the compile line so that -O2 can be overridden
# as the occasion calls for it.
AM_CXXFLAGS = \
-std=gnu++20 \
$(glibcxx_lt_pic_flag) $(glibcxx_compiler_shared_flag) \
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-fimplicit-templates
AM_MAKEFLAGS = \
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$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) $(EXTRA_CXX_FLAGS)
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# 3) We'd have a problem when building the shared libstdc++ object if
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CXXLINK = \
$(LIBTOOL) --tag CXX --tag disable-shared \
$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
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$(VTV_CXXLINKFLAGS) \
$(OPT_LDFLAGS) $(SECTION_LDFLAGS) $(AM_CXXFLAGS) $(LTLDFLAGS) -o $@

735
libstdc++-v3/src/c++20/Makefile.in Normal file
View File

@ -0,0 +1,735 @@
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# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.
@SET_MAKE@
VPATH = @srcdir@
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# XTEMPLATE_FLAGS =
@ENABLE_EXTERN_TEMPLATE_FALSE@inst_sources =
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vpath % $(top_srcdir)/src/c++20
# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

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// Explicit instantiation file.
// Copyright (C) 2020 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
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
//
// ISO C++ 14882:
//
// Instantiations in this file are only for the new SSO std::string ABI
#include <sstream>
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
template basic_stringbuf<char>::basic_stringbuf(const allocator_type&);
template basic_stringbuf<char>::basic_stringbuf(ios_base::openmode,
const allocator_type&);
template basic_stringbuf<char>::basic_stringbuf(__string_type&&,
ios_base::openmode);
template basic_stringbuf<char>::basic_stringbuf(basic_stringbuf&&,
const allocator_type&);
template basic_stringbuf<char>::allocator_type
basic_stringbuf<char>::get_allocator() const noexcept;
template basic_stringbuf<char>::__sv_type
basic_stringbuf<char>::view() const noexcept;
template basic_istringstream<char>::basic_istringstream(ios_base::openmode,
const allocator_type&);
template basic_istringstream<char>::basic_istringstream(__string_type&&,
ios_base::openmode);
template string_view
basic_istringstream<char>::view() const noexcept;
template basic_ostringstream<char>::basic_ostringstream(ios_base::openmode,
const allocator_type&);
template basic_ostringstream<char>::basic_ostringstream(__string_type&&,
ios_base::openmode);
template string_view
basic_ostringstream<char>::view() const noexcept;
template basic_stringstream<char>::basic_stringstream(ios_base::openmode,
const allocator_type&);
template basic_stringstream<char>::basic_stringstream(__string_type&&,
ios_base::openmode);
template string_view
basic_stringstream<char>::view() const noexcept;
#ifdef _GLIBCXX_USE_WCHAR_T
using wsv_type = basic_string_view<wchar_t>;
template basic_stringbuf<wchar_t>::basic_stringbuf(const allocator_type&);
template basic_stringbuf<wchar_t>::basic_stringbuf(ios_base::openmode,
const allocator_type&);
template basic_stringbuf<wchar_t>::basic_stringbuf(__string_type&&,
ios_base::openmode);
template basic_stringbuf<wchar_t>::basic_stringbuf(basic_stringbuf&&,
const allocator_type&);
template basic_stringbuf<wchar_t>::allocator_type
basic_stringbuf<wchar_t>::get_allocator() const noexcept;
template basic_istringstream<wchar_t>::__stringbuf_type::__sv_type
basic_stringbuf<wchar_t>::view() const noexcept;
template basic_istringstream<wchar_t>::basic_istringstream(ios_base::openmode,
const allocator_type&);
template basic_istringstream<wchar_t>::basic_istringstream(__string_type&&,
ios_base::openmode);
template wstring_view
basic_istringstream<wchar_t>::view() const noexcept;
template basic_ostringstream<wchar_t>::basic_ostringstream(ios_base::openmode,
const allocator_type&);
template basic_ostringstream<wchar_t>::basic_ostringstream(__string_type&&,
ios_base::openmode);
template wstring_view
basic_ostringstream<wchar_t>::view() const noexcept;
template basic_stringstream<wchar_t>::basic_stringstream(ios_base::openmode,
const allocator_type&);
template basic_stringstream<wchar_t>::basic_stringstream(__string_type&&,
ios_base::openmode);
template wstring_view
basic_stringstream<wchar_t>::view() const noexcept;
#endif
_GLIBCXX_END_NAMESPACE_VERSION
}

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// Copyright (C) 2020 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
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// C++20 29.8.2.2 basic_stringbuf constructors [stringbuf.cons
// { dg-options "-std=gnu++2a" }
// { dg-do run { target c++2a } }
// { dg-require-effective-target cxx11-abi }
#include <sstream>
#include <string>
#include <testsuite_allocator.h>
#include <testsuite_hooks.h>
void
test01()
{
std::istringstream::allocator_type a;
std::istringstream stm(std::ios_base::in, a);
}
auto const cstr = "This is a test";
void
test02()
{
std::string s1(cstr);
std::istringstream stm(std::move(s1));
VERIFY( s1.empty() );
std::string s2(cstr);
VERIFY( stm.str() == s2 );
}
void
test03()
{
using alloc_type = __gnu_test::tracker_allocator<char>;
using str_type = std::basic_string<char, std::char_traits<char>, alloc_type>;
auto const mode = std::ios_base::in;
str_type s1(cstr);
{
std::istringstream::allocator_type a;
std::istringstream sbuf(s1, mode, a);
std::string s2(cstr);
VERIFY( sbuf.str() == s2 );
}
{
std::istringstream sbuf(s1, mode);
std::string s2(cstr);
VERIFY( sbuf.str() == s2 );
}
{
std::istringstream sbuf(s1);
std::string s2(cstr);
VERIFY( sbuf.str() == s2 );
}
}
int
main()
{
test01();
test02();
test03();
return 0;
}

85
libstdc++-v3/testsuite/27_io/basic_istringstream/cons/wchar_t/1.cc Normal file
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@ -0,0 +1,85 @@
// Copyright (C) 2020 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
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// C++20 29.8.2.2 basic_stringbuf constructors [stringbuf.cons
// { dg-options "-std=gnu++2a" }
// { dg-do run { target c++2a } }
// { dg-require-effective-target cxx11-abi }
#include <sstream>
#include <string>
#include <testsuite_allocator.h>
#include <testsuite_hooks.h>
void
test01()
{
std::wistringstream::allocator_type a;
std::wistringstream stm(std::ios_base::in, a);
}
auto const cstr = L"This is a test";
void
test02()
{
std::wstring s1(cstr);
std::wistringstream stm(std::move(s1));
VERIFY( s1.empty() );
std::wstring s2(cstr);
VERIFY( stm.str() == s2 );
}
void
test03()
{
using alloc_type = __gnu_test::tracker_allocator<wchar_t>;
using str_type = std::basic_string<wchar_t, std::char_traits<wchar_t>, alloc_type>;
auto const mode = std::ios_base::in;
str_type s1(cstr);
{
std::wistringstream::allocator_type a;
std::wistringstream sbuf(s1, mode, a);
std::wstring s2(cstr);
VERIFY( sbuf.str() == s2 );
}
{
std::wistringstream sbuf(s1, mode);
std::wstring s2(cstr);
VERIFY( sbuf.str() == s2 );
}
{
std::wistringstream sbuf(s1);
std::wstring s2(cstr);
VERIFY( sbuf.str() == s2 );
}
}
int
main()
{
test01();
test02();
test03();
return 0;
}

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// Copyright (C) 2020 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
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 27.7.1.1 basic_stringbuf constructors [lib.stringbuf.cons]
// { dg-options "-std=gnu++2a" }
// { dg-do run { target c++2a } }
// { dg-require-effective-target cxx11-abi }
#include <sstream>
#include <string_view>
#include <testsuite_hooks.h>
int
main()
{
std::string s("This is a test");
std::istringstream stm(s);
VERIFY( stm.view() == s );
return 0;
}

35
libstdc++-v3/testsuite/27_io/basic_istringstream/view/wchar_t/1.cc Normal file
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// Copyright (C) 2020 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
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 27.7.1.1 basic_stringbuf constructors [lib.stringbuf.cons]
// { dg-options "-std=gnu++2a" }
// { dg-do run { target c++2a } }
// { dg-require-effective-target cxx11-abi }
#include <sstream>
#include <string_view>
#include <testsuite_hooks.h>
int
main()
{
std::wstring s(L"This is a test");
std::wistringstream stm(s);
VERIFY( stm.view() == s );
return 0;
}

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// Copyright (C) 2020 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
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// C++20 29.8.2.2 basic_stringbuf constructors [stringbuf.cons
// { dg-options "-std=gnu++2a" }
// { dg-do run { target c++2a } }
// { dg-require-effective-target cxx11-abi }
#include <sstream>
#include <string>
#include <testsuite_allocator.h>
#include <testsuite_hooks.h>
void
test01()
{
std::ostringstream::allocator_type a;
std::ostringstream stm(std::ios_base::in, a);
}
auto const cstr = "This is a test";
void
test02()
{
std::string s1(cstr);
std::ostringstream stm(std::move(s1));
VERIFY( s1.empty() );
std::string s2(cstr);
VERIFY( stm.str() == s2 );
}
void
test03()
{
using alloc_type = __gnu_test::tracker_allocator<char>;
using str_type = std::basic_string<char, std::char_traits<char>, alloc_type>;
auto const mode = std::ios_base::out;
str_type s1(cstr);
{
std::ostringstream::allocator_type a;
std::ostringstream sbuf(s1, mode, a);
std::string s2(cstr);
VERIFY( sbuf.str() == s2 );
}
{
std::ostringstream sbuf(s1, mode);
std::string s2(cstr);
VERIFY( sbuf.str() == s2 );
}
{
std::ostringstream sbuf(s1);
std::string s2(cstr);
VERIFY( sbuf.str() == s2 );
}
}
int
main()
{
test01();
test02();
test03();
return 0;
}

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// Copyright (C) 2020 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
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// C++20 29.8.2.2 basic_stringbuf constructors [stringbuf.cons
// { dg-options "-std=gnu++2a" }
// { dg-do run { target c++2a } }
// { dg-require-effective-target cxx11-abi }
#include <sstream>
#include <string>
#include <testsuite_allocator.h>
#include <testsuite_hooks.h>
void
test01()
{
std::wostringstream::allocator_type a;
std::wostringstream stm(std::ios_base::out, a);
}
auto const cstr = L"This is a test";
void
test02()
{
std::wstring s1(cstr);
std::wostringstream stm(std::move(s1));
VERIFY( s1.empty() );
std::wstring s2(cstr);
VERIFY( stm.str() == s2 );
}
void
test03()
{
using alloc_type = __gnu_test::tracker_allocator<wchar_t>;
using str_type = std::basic_string<wchar_t, std::char_traits<wchar_t>, alloc_type>;
auto const mode = std::ios_base::out;
str_type s1(cstr);
{
std::wostringstream::allocator_type a;
std::wostringstream sbuf(s1, mode, a);
std::wstring s2(cstr);
VERIFY( sbuf.str() == s2 );
}
{
std::wostringstream sbuf(s1, mode);
std::wstring s2(cstr);
VERIFY( sbuf.str() == s2 );
}
{
std::wostringstream sbuf(s1);
std::wstring s2(cstr);
VERIFY( sbuf.str() == s2 );
}
}
int
main()
{
test01();
test02();
test03();
return 0;
}

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libstdc++-v3/testsuite/27_io/basic_ostringstream/view/char/1.cc Normal file
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// Copyright (C) 2020 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
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 27.7.1.1 basic_stringbuf constructors [lib.stringbuf.cons]
// { dg-options "-std=gnu++2a" }
// { dg-do run { target c++2a } }
// { dg-require-effective-target cxx11-abi }
#include <sstream>
#include <string_view>
#include <testsuite_hooks.h>
int
main()
{
std::string s("This is a test");
std::ostringstream stm(s);
VERIFY( stm.view() == s );
return 0;
}

35
libstdc++-v3/testsuite/27_io/basic_ostringstream/view/wchar_t/1.cc Normal file
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// Copyright (C) 2020 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
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 27.7.1.1 basic_stringbuf constructors [lib.stringbuf.cons]
// { dg-options "-std=gnu++2a" }
// { dg-do run { target c++2a } }
// { dg-require-effective-target cxx11-abi }
#include <sstream>
#include <string_view>
#include <testsuite_hooks.h>
int
main()
{
std::wstring s(L"This is a test");
std::wostringstream stm(s);
VERIFY( stm.view() == s );
return 0;
}

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libstdc++-v3/testsuite/27_io/basic_stringbuf/cons/char/2.cc Normal file
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// Copyright (C) 2020 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
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 27.7.1.1 basic_stringbuf constructors [lib.stringbuf.cons]
// { dg-options "-std=gnu++2a" }
// { dg-do run { target c++2a } }
// { dg-require-effective-target cxx11-abi }
#include <sstream>
#include <string>
#include <testsuite_allocator.h>
#include <testsuite_hooks.h>
void
test01()
{
{
using alloc_type = __gnu_test::uneq_allocator<char>;
using sbuf_t = std::basic_stringbuf<char, std::char_traits<char>,
alloc_type>;
alloc_type aa;
sbuf_t sbuf1(aa);
VERIFY( aa == sbuf1.get_allocator() );
alloc_type aaa(42);
sbuf_t sbuf2(aaa);
VERIFY( aaa == sbuf2.get_allocator() );
VERIFY( sbuf1.get_allocator() != sbuf2.get_allocator() );
}
std::stringbuf::allocator_type a;
{
std::stringbuf sbuf(std::ios_base::in, a);
}
{
std::stringbuf sbuf(a);
}
}
auto const cstr = "This is a test";
void
test02()
{
std::string s1(cstr);
std::stringbuf sbuf(std::move(s1));
VERIFY( s1.empty() );
std::string s2(cstr);
VERIFY( sbuf.str() == s2 );
}
void
test03()
{
using alloc_type = __gnu_test::tracker_allocator<char>;
using str_type = std::basic_string<char, std::char_traits<char>, alloc_type>;
auto const mode = std::ios_base::in | std::ios_base::out;
str_type s1(cstr);
{
std::stringbuf::allocator_type a;
std::stringbuf sbuf(s1, mode, a);
std::string s2(cstr);
VERIFY( sbuf.str() == s2 );
}
{
std::stringbuf sbuf(s1, mode);
std::string s2(cstr);
VERIFY( sbuf.str() == s2 );
}
{
std::stringbuf sbuf(s1);
std::string s2(cstr);
VERIFY( sbuf.str() == s2 );
}
}
void
test04()
{
std::stringbuf sbuf1(cstr);
std::stringbuf::allocator_type a;
std::stringbuf sbuf2(std::move(sbuf1), a);
VERIFY( sbuf1.str().empty() );
std::string s(cstr);
VERIFY( sbuf2.str() == s );
}
int
main()
{
test01();
test02();
test03();
test04();
return 0;
}

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libstdc++-v3/testsuite/27_io/basic_stringbuf/cons/wchar_t/2.cc Normal file
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// Copyright (C) 2020 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
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 27.7.1.1 basic_stringbuf constructors [lib.stringbuf.cons]
// { dg-options "-std=gnu++2a" }
// { dg-do run { target c++2a } }
// { dg-require-effective-target cxx11-abi }
#include <sstream>
#include <string>
#include <testsuite_allocator.h>
#include <testsuite_hooks.h>
void
test01()
{
std::wstringbuf::allocator_type a;
{
std::wstringbuf sbuf(std::ios_base::in, a);
}
{
std::wstringbuf sbuf(a);
}
}
auto const cstr = L"This is a test";
void
test02()
{
std::wstring s1(cstr);
std::wstringbuf sbuf(std::move(s1));
VERIFY( s1.empty() );
std::wstring s2(cstr);
VERIFY( sbuf.str() == s2 );
}
void
test03()
{
using alloc_type = __gnu_test::tracker_allocator<wchar_t>;
using str_type = std::basic_string<wchar_t, std::char_traits<wchar_t>, alloc_type>;
auto const mode = std::ios_base::in | std::ios_base::out;
str_type s1(cstr);
{
std::wstringbuf::allocator_type a;
std::wstringbuf sbuf(s1, mode, a);
std::wstring s2(cstr);
VERIFY( sbuf.str() == s2 );
}
{
std::wstringbuf sbuf(s1, mode);
std::wstring s2(cstr);
VERIFY( sbuf.str() == s2 );
}
{
std::wstringbuf sbuf(s1);
std::wstring s2(cstr);
VERIFY( sbuf.str() == s2 );
}
}
void
test04()
{
std::wstringbuf sbuf1(cstr);
std::wstringbuf::allocator_type a;
std::wstringbuf sbuf2(std::move(sbuf1), a);
VERIFY( sbuf1.str().empty() );
std::wstring s(cstr);
VERIFY( sbuf2.str() == s );
}
int
main()
{
test01();
test02();
test03();
test04();
return 0;
}

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libstdc++-v3/testsuite/27_io/basic_stringbuf/view/char/1.cc Normal file
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// Copyright (C) 2020 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
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 27.7.1.1 basic_stringbuf constructors [lib.stringbuf.cons]
// { dg-options "-std=gnu++2a" }
// { dg-do run { target c++2a } }
// { dg-require-effective-target cxx11-abi }
#include <sstream>
#include <string_view>
#include <testsuite_hooks.h>
int
main()
{
std::string s("This is a test");
std::stringbuf sbuf(s);
VERIFY( sbuf.view() == s );
return 0;
}

35
libstdc++-v3/testsuite/27_io/basic_stringbuf/view/wchar_t/1.cc Normal file
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// Copyright (C) 2020 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
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 27.7.1.1 basic_stringbuf constructors [lib.stringbuf.cons]
// { dg-options "-std=gnu++2a" }
// { dg-do run { target c++2a } }
// { dg-require-effective-target cxx11-abi }
#include <sstream>
#include <string_view>
#include <testsuite_hooks.h>
int
main()
{
std::wstring s(L"This is a test");
std::wstringbuf sbuf(s);
VERIFY( sbuf.view() == s );
return 0;
}

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libstdc++-v3/testsuite/27_io/basic_stringstream/cons/char/1.cc Normal file
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// Copyright (C) 2020 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
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// C++20 29.8.2.2 basic_stringbuf constructors [stringbuf.cons
// { dg-options "-std=gnu++2a" }
// { dg-do run { target c++2a } }
// { dg-require-effective-target cxx11-abi }
#include <sstream>
#include <string>
#include <testsuite_allocator.h>
#include <testsuite_hooks.h>
void
test01()
{
std::stringstream::allocator_type a;
std::stringstream stm(std::ios_base::in, a);
}
auto const cstr = "This is a test";
void
test02()
{
std::string s1(cstr);
std::stringstream stm(std::move(s1));
VERIFY( s1.empty() );
std::string s2(cstr);
VERIFY( stm.str() == s2 );
}
void
test03()
{
using alloc_type = __gnu_test::tracker_allocator<char>;
using str_type = std::basic_string<char, std::char_traits<char>, alloc_type>;
auto const mode = std::ios_base::in | std::ios_base::out;
str_type s1(cstr);
{
std::stringstream::allocator_type a;
std::stringstream sbuf(s1, mode, a);
std::string s2(cstr);
VERIFY( sbuf.str() == s2 );
}
{
std::stringstream sbuf(s1, mode);
std::string s2(cstr);
VERIFY( sbuf.str() == s2 );
}
{
std::stringstream sbuf(s1);
std::string s2(cstr);
VERIFY( sbuf.str() == s2 );
}
}
int
main()
{
test01();
test02();
test03();
return 0;
}

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libstdc++-v3/testsuite/27_io/basic_stringstream/cons/wchar_t/1.cc Normal file
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// Copyright (C) 2020 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
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// C++20 29.8.2.2 basic_stringbuf constructors [stringbuf.cons
// { dg-options "-std=gnu++2a" }
// { dg-do run { target c++2a } }
// { dg-require-effective-target cxx11-abi }
#include <sstream>
#include <string>
#include <testsuite_allocator.h>
#include <testsuite_hooks.h>
void
test01()
{
std::wistringstream::allocator_type a;
std::wistringstream stm(std::ios_base::in, a);
}
auto const cstr = L"This is a test";
void
test02()
{
std::wstring s1(cstr);
std::wistringstream stm(std::move(s1));
VERIFY( s1.empty() );
std::wstring s2(cstr);
VERIFY( stm.str() == s2 );
}
void
test03()
{
using alloc_type = __gnu_test::tracker_allocator<wchar_t>;
using str_type = std::basic_string<wchar_t, std::char_traits<wchar_t>, alloc_type>;
auto const mode = std::ios_base::in;
str_type s1(cstr);
{
std::wistringstream::allocator_type a;
std::wistringstream sbuf(s1, mode, a);
std::wstring s2(cstr);
VERIFY( sbuf.str() == s2 );
}
{
std::wistringstream sbuf(s1, mode);
std::wstring s2(cstr);
VERIFY( sbuf.str() == s2 );
}
{
std::wistringstream sbuf(s1);
std::wstring s2(cstr);
VERIFY( sbuf.str() == s2 );
}
}
int
main()
{
test01();
test02();
test03();
return 0;
}

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libstdc++-v3/testsuite/27_io/basic_stringstream/view/char/1.cc Normal file
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// Copyright (C) 2020 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
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 27.7.1.1 basic_stringbuf constructors [lib.stringbuf.cons]
// { dg-options "-std=gnu++2a" }
// { dg-do run { target c++2a } }
// { dg-require-effective-target cxx11-abi }
#include <sstream>
#include <string_view>
#include <testsuite_hooks.h>
int
main()
{
std::string s("This is a test");
std::stringstream stm(s);
VERIFY( stm.view() == s );
return 0;
}

35
libstdc++-v3/testsuite/27_io/basic_stringstream/view/wchar_t/1.cc Normal file
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@ -0,0 +1,35 @@
// Copyright (C) 2020 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
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 27.7.1.1 basic_stringbuf constructors [lib.stringbuf.cons]
// { dg-options "-std=gnu++2a" }
// { dg-do run { target c++2a } }
// { dg-require-effective-target cxx11-abi }
#include <sstream>
#include <string_view>
#include <testsuite_hooks.h>
int
main()
{
std::wstring s(L"This is a test");
std::wstringstream stm(s);
VERIFY( stm.view() == s );
return 0;
}