debug/string
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// Debugging string implementation -*- C++ -*-
// Copyright (C) 2003-2021 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/>.
/** @file debug/string
* This file is a GNU debug extension to the Standard C++ Library.
*/
#ifndef _GLIBCXX_DEBUG_STRING
#define _GLIBCXX_DEBUG_STRING 1
#pragma GCC system_header
#include <string>
#include <debug/safe_sequence.h>
#include <debug/safe_container.h>
#include <debug/safe_iterator.h>
#define _GLIBCXX_DEBUG_VERIFY_STR_COND_AT(_Cond,_File,_Line,_Func) \
if (! (_Cond)) \
__gnu_debug::_Error_formatter::_S_at(_File, _Line, _Func) \
._M_message(#_Cond)._M_error()
#if _GLIBCXX_USE_CXX11_ABI && __cplusplus >= 201103
# define _GLIBCXX_INSERT_RETURNS_ITERATOR 1
# define _GLIBCXX_INSERT_RETURNS_ITERATOR_ONLY(expr) expr
#else
# define _GLIBCXX_INSERT_RETURNS_ITERATOR 0
# define _GLIBCXX_INSERT_RETURNS_ITERATOR_ONLY(expr)
#endif
namespace __gnu_debug
{
/** Checks that __s is non-NULL or __n == 0, and then returns __s. */
template<typename _CharT, typename _Integer>
inline const _CharT*
__check_string(const _CharT* __s,
_Integer __n __attribute__((__unused__)),
const char* __file __attribute__((__unused__)),
unsigned int __line __attribute__((__unused__)),
const char* __function __attribute__((__unused__)))
{
#ifdef _GLIBCXX_DEBUG_PEDANTIC
_GLIBCXX_DEBUG_VERIFY_STR_COND_AT(__s != 0 || __n == 0,
__file, __line, __function);
#endif
return __s;
}
/** Checks that __s is non-NULL and then returns __s. */
template<typename _CharT>
inline const _CharT*
__check_string(const _CharT* __s,
const char* __file __attribute__((__unused__)),
unsigned int __line __attribute__((__unused__)),
const char* __function __attribute__((__unused__)))
{
#ifdef _GLIBCXX_DEBUG_PEDANTIC
_GLIBCXX_DEBUG_VERIFY_STR_COND_AT(__s != 0,
__file, __line, __function);
#endif
return __s;
}
#define __glibcxx_check_string_n_constructor(_Str, _Size) \
__check_string(_Str, _Size, __FILE__, __LINE__, __PRETTY_FUNCTION__)
#define __glibcxx_check_string_constructor(_Str) \
__check_string(_Str, __FILE__, __LINE__, __PRETTY_FUNCTION__)
/// Class std::basic_string with safety/checking/debug instrumentation.
template<typename _CharT, typename _Traits = std::char_traits<_CharT>,
typename _Allocator = std::allocator<_CharT> >
class basic_string
: public __gnu_debug::_Safe_container<
basic_string<_CharT, _Traits, _Allocator>,
_Allocator, _Safe_sequence, bool(_GLIBCXX_USE_CXX11_ABI)>,
public std::basic_string<_CharT, _Traits, _Allocator>
{
typedef std::basic_string<_CharT, _Traits, _Allocator> _Base;
typedef __gnu_debug::_Safe_container<
basic_string, _Allocator, _Safe_sequence, bool(_GLIBCXX_USE_CXX11_ABI)>
_Safe;
template<typename _ItT, typename _SeqT, typename _CatT>
friend class ::__gnu_debug::_Safe_iterator;
// type used for positions in insert, erase etc.
typedef __gnu_debug::_Safe_iterator<
typename _Base::__const_iterator, basic_string> __const_iterator;
public:
// types:
typedef _Traits traits_type;
typedef typename _Traits::char_type value_type;
typedef _Allocator allocator_type;
typedef typename _Base::size_type size_type;
typedef typename _Base::difference_type difference_type;
typedef typename _Base::reference reference;
typedef typename _Base::const_reference const_reference;
typedef typename _Base::pointer pointer;
typedef typename _Base::const_pointer const_pointer;
typedef __gnu_debug::_Safe_iterator<
typename _Base::iterator, basic_string> iterator;
typedef __gnu_debug::_Safe_iterator<
typename _Base::const_iterator, basic_string> const_iterator;
typedef std::reverse_iterator<iterator> reverse_iterator;
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
using _Base::npos;
// 21.3.1 construct/copy/destroy:
explicit
basic_string(const _Allocator& __a) _GLIBCXX_NOEXCEPT
: _Base(__a) { }
#if __cplusplus < 201103L
basic_string() : _Base() { }
basic_string(const basic_string& __str)
: _Base(__str) { }
~basic_string() { }
#else
basic_string() = default;
basic_string(const basic_string&) = default;
basic_string(basic_string&&) = default;
basic_string(std::initializer_list<_CharT> __l,
const _Allocator& __a = _Allocator())
: _Base(__l, __a)
{ }
basic_string(const basic_string& __s, const _Allocator& __a)
: _Base(__s, __a) { }
basic_string(basic_string&& __s, const _Allocator& __a)
noexcept(
std::is_nothrow_constructible<_Base, _Base, const _Allocator&>::value )
: _Safe(std::move(__s._M_safe()), __a),
_Base(std::move(__s._M_base()), __a)
{ }
~basic_string() = default;
// Provides conversion from a normal-mode string to a debug-mode string
basic_string(_Base&& __base) noexcept
: _Base(std::move(__base)) { }
#endif // C++11
// Provides conversion from a normal-mode string to a debug-mode string
basic_string(const _Base& __base)
: _Base(__base) { }
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 42. string ctors specify wrong default allocator
basic_string(const basic_string& __str, size_type __pos,
size_type __n = _Base::npos,
const _Allocator& __a = _Allocator())
: _Base(__str, __pos, __n, __a) { }
basic_string(const _CharT* __s, size_type __n,
const _Allocator& __a = _Allocator())
: _Base(__glibcxx_check_string_n_constructor(__s, __n), __n, __a) { }
basic_string(const _CharT* __s, const _Allocator& __a = _Allocator())
: _Base(__glibcxx_check_string_constructor(__s), __a)
{ }
basic_string(size_type __n, _CharT __c,
const _Allocator& __a = _Allocator())
: _Base(__n, __c, __a) { }
template<typename _InputIterator>
basic_string(_InputIterator __begin, _InputIterator __end,
const _Allocator& __a = _Allocator())
: _Base(__gnu_debug::__base(
__glibcxx_check_valid_constructor_range(__begin, __end)),
__gnu_debug::__base(__end), __a) { }
#if __cplusplus < 201103L
basic_string&
operator=(const basic_string& __str)
{
this->_M_safe() = __str;
_M_base() = __str;
return *this;
}
#else
basic_string&
operator=(const basic_string&) = default;
basic_string&
operator=(basic_string&&) = default;
#endif
basic_string&
operator=(const _CharT* __s)
{
__glibcxx_check_string(__s);
_M_base() = __s;
this->_M_invalidate_all();
return *this;
}
basic_string&
operator=(_CharT __c)
{
_M_base() = __c;
this->_M_invalidate_all();
return *this;
}
#if __cplusplus >= 201103L
basic_string&
operator=(std::initializer_list<_CharT> __l)
{
_M_base() = __l;
this->_M_invalidate_all();
return *this;
}
#endif // C++11
// 21.3.2 iterators:
iterator
begin() // _GLIBCXX_NOEXCEPT
{ return iterator(_Base::begin(), this); }
const_iterator
begin() const _GLIBCXX_NOEXCEPT
{ return const_iterator(_Base::begin(), this); }
iterator
end() // _GLIBCXX_NOEXCEPT
{ return iterator(_Base::end(), this); }
const_iterator
end() const _GLIBCXX_NOEXCEPT
{ return const_iterator(_Base::end(), this); }
reverse_iterator
rbegin() // _GLIBCXX_NOEXCEPT
{ return reverse_iterator(end()); }
const_reverse_iterator
rbegin() const _GLIBCXX_NOEXCEPT
{ return const_reverse_iterator(end()); }
reverse_iterator
rend() // _GLIBCXX_NOEXCEPT
{ return reverse_iterator(begin()); }
const_reverse_iterator
rend() const _GLIBCXX_NOEXCEPT
{ return const_reverse_iterator(begin()); }
#if __cplusplus >= 201103L
const_iterator
cbegin() const noexcept
{ return const_iterator(_Base::begin(), this); }
const_iterator
cend() const noexcept
{ return const_iterator(_Base::end(), this); }
const_reverse_iterator
crbegin() const noexcept
{ return const_reverse_iterator(end()); }
const_reverse_iterator
crend() const noexcept
{ return const_reverse_iterator(begin()); }
#endif
// 21.3.3 capacity:
using _Base::size;
using _Base::length;
using _Base::max_size;
void
resize(size_type __n, _CharT __c)
{
_Base::resize(__n, __c);
this->_M_invalidate_all();
}
void
resize(size_type __n)
{ this->resize(__n, _CharT()); }
#if __cplusplus >= 201103L
void
shrink_to_fit() noexcept
{
if (capacity() > size())
{
__try
{
reserve(0);
this->_M_invalidate_all();
}
__catch(...)
{ }
}
}
#endif
using _Base::capacity;
using _Base::reserve;
void
clear() // _GLIBCXX_NOEXCEPT
{
_Base::clear();
this->_M_invalidate_all();
}
using _Base::empty;
// 21.3.4 element access:
const_reference
operator[](size_type __pos) const _GLIBCXX_NOEXCEPT
{
_GLIBCXX_DEBUG_VERIFY(__pos <= this->size(),
_M_message(__gnu_debug::__msg_subscript_oob)
._M_sequence(*this, "this")
._M_integer(__pos, "__pos")
._M_integer(this->size(), "size"));
return _M_base()[__pos];
}
reference
operator[](size_type __pos) // _GLIBCXX_NOEXCEPT
{
#if __cplusplus < 201103L && defined(_GLIBCXX_DEBUG_PEDANTIC)
__glibcxx_check_subscript(__pos);
#else
// as an extension v3 allows s[s.size()] when s is non-const.
_GLIBCXX_DEBUG_VERIFY(__pos <= this->size(),
_M_message(__gnu_debug::__msg_subscript_oob)
._M_sequence(*this, "this")
._M_integer(__pos, "__pos")
._M_integer(this->size(), "size"));
#endif
return _M_base()[__pos];
}
using _Base::at;
#if __cplusplus >= 201103L
using _Base::front;
using _Base::back;
#endif
// 21.3.5 modifiers:
basic_string&
operator+=(const basic_string& __str)
{
_M_base() += __str;
this->_M_invalidate_all();
return *this;
}
basic_string&
operator+=(const _CharT* __s)
{
__glibcxx_check_string(__s);
_M_base() += __s;
this->_M_invalidate_all();
return *this;
}
basic_string&
operator+=(_CharT __c)
{
_M_base() += __c;
this->_M_invalidate_all();
return *this;
}
#if __cplusplus >= 201103L
basic_string&
operator+=(std::initializer_list<_CharT> __l)
{
_M_base() += __l;
this->_M_invalidate_all();
return *this;
}
#endif // C++11
basic_string&
append(const basic_string& __str)
{
_Base::append(__str);
this->_M_invalidate_all();
return *this;
}
basic_string&
append(const basic_string& __str, size_type __pos, size_type __n)
{
_Base::append(__str, __pos, __n);
this->_M_invalidate_all();
return *this;
}
basic_string&
append(const _CharT* __s, size_type __n)
{
__glibcxx_check_string_len(__s, __n);
_Base::append(__s, __n);
this->_M_invalidate_all();
return *this;
}
basic_string&
append(const _CharT* __s)
{
__glibcxx_check_string(__s);
_Base::append(__s);
this->_M_invalidate_all();
return *this;
}
basic_string&
append(size_type __n, _CharT __c)
{
_Base::append(__n, __c);
this->_M_invalidate_all();
return *this;
}
template<typename _InputIterator>
basic_string&
append(_InputIterator __first, _InputIterator __last)
{
typename __gnu_debug::_Distance_traits<_InputIterator>::__type __dist;
__glibcxx_check_valid_range2(__first, __last, __dist);
if (__dist.second >= __dp_sign)
_Base::append(__gnu_debug::__unsafe(__first),
__gnu_debug::__unsafe(__last));
else
_Base::append(__first, __last);
this->_M_invalidate_all();
return *this;
}
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 7. string clause minor problems
void
push_back(_CharT __c)
{
_Base::push_back(__c);
this->_M_invalidate_all();
}
basic_string&
assign(const basic_string& __x)
{
_Base::assign(__x);
this->_M_invalidate_all();
return *this;
}
#if __cplusplus >= 201103L
basic_string&
assign(basic_string&& __x)
noexcept(noexcept(std::declval<_Base&>().assign(std::move(__x))))
{
_Base::assign(std::move(__x));
this->_M_invalidate_all();
return *this;
}
#endif // C++11
basic_string&
assign(const basic_string& __str, size_type __pos, size_type __n)
{
_Base::assign(__str, __pos, __n);
this->_M_invalidate_all();
return *this;
}
basic_string&
assign(const _CharT* __s, size_type __n)
{
__glibcxx_check_string_len(__s, __n);
_Base::assign(__s, __n);
this->_M_invalidate_all();
return *this;
}
basic_string&
assign(const _CharT* __s)
{
__glibcxx_check_string(__s);
_Base::assign(__s);
this->_M_invalidate_all();
return *this;
}
basic_string&
assign(size_type __n, _CharT __c)
{
_Base::assign(__n, __c);
this->_M_invalidate_all();
return *this;
}
template<typename _InputIterator>
basic_string&
assign(_InputIterator __first, _InputIterator __last)
{
typename __gnu_debug::_Distance_traits<_InputIterator>::__type __dist;
__glibcxx_check_valid_range2(__first, __last, __dist);
if (__dist.second >= __dp_sign)
_Base::assign(__gnu_debug::__unsafe(__first),
__gnu_debug::__unsafe(__last));
else
_Base::assign(__first, __last);
this->_M_invalidate_all();
return *this;
}
#if __cplusplus >= 201103L
basic_string&
assign(std::initializer_list<_CharT> __l)
{
_Base::assign(__l);
this->_M_invalidate_all();
return *this;
}
#endif // C++11
basic_string&
insert(size_type __pos1, const basic_string& __str)
{
_Base::insert(__pos1, __str);
this->_M_invalidate_all();
return *this;
}
basic_string&
insert(size_type __pos1, const basic_string& __str,
size_type __pos2, size_type __n)
{
_Base::insert(__pos1, __str, __pos2, __n);
this->_M_invalidate_all();
return *this;
}
basic_string&
insert(size_type __pos, const _CharT* __s, size_type __n)
{
__glibcxx_check_string(__s);
_Base::insert(__pos, __s, __n);
this->_M_invalidate_all();
return *this;
}
basic_string&
insert(size_type __pos, const _CharT* __s)
{
__glibcxx_check_string(__s);
_Base::insert(__pos, __s);
this->_M_invalidate_all();
return *this;
}
basic_string&
insert(size_type __pos, size_type __n, _CharT __c)
{
_Base::insert(__pos, __n, __c);
this->_M_invalidate_all();
return *this;
}
iterator
insert(__const_iterator __p, _CharT __c)
{
__glibcxx_check_insert(__p);
typename _Base::iterator __res = _Base::insert(__p.base(), __c);
this->_M_invalidate_all();
return iterator(__res, this);
}
#if __cplusplus >= 201103L
iterator
insert(const_iterator __p, size_type __n, _CharT __c)
{
__glibcxx_check_insert(__p);
#if _GLIBCXX_USE_CXX11_ABI
typename _Base::iterator __res = _Base::insert(__p.base(), __n, __c);
#else
const size_type __offset = __p.base() - _Base::cbegin();
_Base::insert(_Base::begin() + __offset, __n, __c);
typename _Base::iterator __res = _Base::begin() + __offset;
#endif
this->_M_invalidate_all();
return iterator(__res, this);
}
#else
void
insert(iterator __p, size_type __n, _CharT __c)
{
__glibcxx_check_insert(__p);
_Base::insert(__p.base(), __n, __c);
this->_M_invalidate_all();
}
#endif
template<typename _InputIterator>
iterator
insert(__const_iterator __p,
_InputIterator __first, _InputIterator __last)
{
typename __gnu_debug::_Distance_traits<_InputIterator>::__type __dist;
__glibcxx_check_insert_range(__p, __first, __last, __dist);
typename _Base::iterator __res;
#if ! _GLIBCXX_INSERT_RETURNS_ITERATOR
const size_type __offset = __p.base() - _Base::begin();
#endif
if (__dist.second >= __dp_sign)
{
_GLIBCXX_INSERT_RETURNS_ITERATOR_ONLY(__res =)
_Base::insert(__p.base(), __gnu_debug::__unsafe(__first),
__gnu_debug::__unsafe(__last));
}
else
{
_GLIBCXX_INSERT_RETURNS_ITERATOR_ONLY(__res =)
_Base::insert(__p.base(), __first, __last);
}
#if ! _GLIBCXX_INSERT_RETURNS_ITERATOR
__res = _Base::begin() + __offset;
#endif
this->_M_invalidate_all();
return iterator(__res, this);
}
#if __cplusplus >= 201103L
iterator
insert(const_iterator __p, std::initializer_list<_CharT> __l)
{
__glibcxx_check_insert(__p);
#if _GLIBCXX_USE_CXX11_ABI
const auto __res = _Base::insert(__p.base(), __l);
#else
const size_type __offset = __p.base() - _Base::cbegin();
_Base::insert(_Base::begin() + __offset, __l);
auto __res = _Base::begin() + __offset;
#endif
this->_M_invalidate_all();
return iterator(__res, this);
}
#endif // C++11
basic_string&
erase(size_type __pos = 0, size_type __n = _Base::npos)
{
_Base::erase(__pos, __n);
this->_M_invalidate_all();
return *this;
}
iterator
erase(__const_iterator __position)
{
__glibcxx_check_erase(__position);
typename _Base::iterator __res = _Base::erase(__position.base());
this->_M_invalidate_all();
return iterator(__res, this);
}
iterator
erase(__const_iterator __first, __const_iterator __last)
{
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 151. can't currently clear() empty container
__glibcxx_check_erase_range(__first, __last);
typename _Base::iterator __res = _Base::erase(__first.base(),
__last.base());
this->_M_invalidate_all();
return iterator(__res, this);
}
#if __cplusplus >= 201103L
void
pop_back() // noexcept
{
__glibcxx_check_nonempty();
_Base::pop_back();
this->_M_invalidate_all();
}
#endif // C++11
basic_string&
replace(size_type __pos1, size_type __n1, const basic_string& __str)
{
_Base::replace(__pos1, __n1, __str);
this->_M_invalidate_all();
return *this;
}
basic_string&
replace(size_type __pos1, size_type __n1, const basic_string& __str,
size_type __pos2, size_type __n2)
{
_Base::replace(__pos1, __n1, __str, __pos2, __n2);
this->_M_invalidate_all();
return *this;
}
basic_string&
replace(size_type __pos, size_type __n1, const _CharT* __s,
size_type __n2)
{
__glibcxx_check_string_len(__s, __n2);
_Base::replace(__pos, __n1, __s, __n2);
this->_M_invalidate_all();
return *this;
}
basic_string&
replace(size_type __pos, size_type __n1, const _CharT* __s)
{
__glibcxx_check_string(__s);
_Base::replace(__pos, __n1, __s);
this->_M_invalidate_all();
return *this;
}
basic_string&
replace(size_type __pos, size_type __n1, size_type __n2, _CharT __c)
{
_Base::replace(__pos, __n1, __n2, __c);
this->_M_invalidate_all();
return *this;
}
basic_string&
replace(__const_iterator __i1, __const_iterator __i2,
const basic_string& __str)
{
__glibcxx_check_erase_range(__i1, __i2);
_Base::replace(__i1.base(), __i2.base(), __str);
this->_M_invalidate_all();
return *this;
}
basic_string&
replace(__const_iterator __i1, __const_iterator __i2,
const _CharT* __s, size_type __n)
{
__glibcxx_check_erase_range(__i1, __i2);
__glibcxx_check_string_len(__s, __n);
_Base::replace(__i1.base(), __i2.base(), __s, __n);
this->_M_invalidate_all();
return *this;
}
basic_string&
replace(__const_iterator __i1, __const_iterator __i2,
const _CharT* __s)
{
__glibcxx_check_erase_range(__i1, __i2);
__glibcxx_check_string(__s);
_Base::replace(__i1.base(), __i2.base(), __s);
this->_M_invalidate_all();
return *this;
}
basic_string&
replace(__const_iterator __i1, __const_iterator __i2,
size_type __n, _CharT __c)
{
__glibcxx_check_erase_range(__i1, __i2);
_Base::replace(__i1.base(), __i2.base(), __n, __c);
this->_M_invalidate_all();
return *this;
}
template<typename _InputIterator>
basic_string&
replace(__const_iterator __i1, __const_iterator __i2,
_InputIterator __j1, _InputIterator __j2)
{
__glibcxx_check_erase_range(__i1, __i2);
typename __gnu_debug::_Distance_traits<_InputIterator>::__type __dist;
__glibcxx_check_valid_range2(__j1, __j2, __dist);
if (__dist.second >= __dp_sign)
_Base::replace(__i1.base(), __i2.base(),
__gnu_debug::__unsafe(__j1),
__gnu_debug::__unsafe(__j2));
else
_Base::replace(__i1.base(), __i2.base(), __j1, __j2);
this->_M_invalidate_all();
return *this;
}
#if __cplusplus >= 201103L
basic_string&
replace(__const_iterator __i1, __const_iterator __i2,
std::initializer_list<_CharT> __l)
{
__glibcxx_check_erase_range(__i1, __i2);
_Base::replace(__i1.base(), __i2.base(), __l);
this->_M_invalidate_all();
return *this;
}
#endif // C++11
size_type
copy(_CharT* __s, size_type __n, size_type __pos = 0) const
{
__glibcxx_check_string_len(__s, __n);
return _Base::copy(__s, __n, __pos);
}
void
swap(basic_string& __x)
_GLIBCXX_NOEXCEPT_IF(std::__is_nothrow_swappable<_Base>::value)
{
_Safe::_M_swap(__x);
_Base::swap(__x);
}
// 21.3.6 string operations:
const _CharT*
c_str() const _GLIBCXX_NOEXCEPT
{
const _CharT* __res = _Base::c_str();
this->_M_invalidate_all();
return __res;
}
const _CharT*
data() const _GLIBCXX_NOEXCEPT
{
const _CharT* __res = _Base::data();
this->_M_invalidate_all();
return __res;
}
using _Base::get_allocator;
size_type
find(const basic_string& __str, size_type __pos = 0) const
_GLIBCXX_NOEXCEPT
{ return _Base::find(__str, __pos); }
size_type
find(const _CharT* __s, size_type __pos, size_type __n) const
{
__glibcxx_check_string(__s);
return _Base::find(__s, __pos, __n);
}
size_type
find(const _CharT* __s, size_type __pos = 0) const
{
__glibcxx_check_string(__s);
return _Base::find(__s, __pos);
}
size_type
find(_CharT __c, size_type __pos = 0) const _GLIBCXX_NOEXCEPT
{ return _Base::find(__c, __pos); }
size_type
rfind(const basic_string& __str, size_type __pos = _Base::npos) const
_GLIBCXX_NOEXCEPT
{ return _Base::rfind(__str, __pos); }
size_type
rfind(const _CharT* __s, size_type __pos, size_type __n) const
{
__glibcxx_check_string_len(__s, __n);
return _Base::rfind(__s, __pos, __n);
}
size_type
rfind(const _CharT* __s, size_type __pos = _Base::npos) const
{
__glibcxx_check_string(__s);
return _Base::rfind(__s, __pos);
}
size_type
rfind(_CharT __c, size_type __pos = _Base::npos) const _GLIBCXX_NOEXCEPT
{ return _Base::rfind(__c, __pos); }
size_type
find_first_of(const basic_string& __str, size_type __pos = 0) const
_GLIBCXX_NOEXCEPT
{ return _Base::find_first_of(__str, __pos); }
size_type
find_first_of(const _CharT* __s, size_type __pos, size_type __n) const
{
__glibcxx_check_string(__s);
return _Base::find_first_of(__s, __pos, __n);
}
size_type
find_first_of(const _CharT* __s, size_type __pos = 0) const
{
__glibcxx_check_string(__s);
return _Base::find_first_of(__s, __pos);
}
size_type
find_first_of(_CharT __c, size_type __pos = 0) const _GLIBCXX_NOEXCEPT
{ return _Base::find_first_of(__c, __pos); }
size_type
find_last_of(const basic_string& __str,
size_type __pos = _Base::npos) const _GLIBCXX_NOEXCEPT
{ return _Base::find_last_of(__str, __pos); }
size_type
find_last_of(const _CharT* __s, size_type __pos, size_type __n) const
{
__glibcxx_check_string(__s);
return _Base::find_last_of(__s, __pos, __n);
}
size_type
find_last_of(const _CharT* __s, size_type __pos = _Base::npos) const
{
__glibcxx_check_string(__s);
return _Base::find_last_of(__s, __pos);
}
size_type
find_last_of(_CharT __c, size_type __pos = _Base::npos) const
_GLIBCXX_NOEXCEPT
{ return _Base::find_last_of(__c, __pos); }
size_type
find_first_not_of(const basic_string& __str, size_type __pos = 0) const
_GLIBCXX_NOEXCEPT
{ return _Base::find_first_not_of(__str, __pos); }
size_type
find_first_not_of(const _CharT* __s, size_type __pos, size_type __n) const
{
__glibcxx_check_string_len(__s, __n);
return _Base::find_first_not_of(__s, __pos, __n);
}
size_type
find_first_not_of(const _CharT* __s, size_type __pos = 0) const
{
__glibcxx_check_string(__s);
return _Base::find_first_not_of(__s, __pos);
}
size_type
find_first_not_of(_CharT __c, size_type __pos = 0) const _GLIBCXX_NOEXCEPT
{ return _Base::find_first_not_of(__c, __pos); }
size_type
find_last_not_of(const basic_string& __str,
size_type __pos = _Base::npos) const
_GLIBCXX_NOEXCEPT
{ return _Base::find_last_not_of(__str, __pos); }
size_type
find_last_not_of(const _CharT* __s, size_type __pos, size_type __n) const
{
__glibcxx_check_string(__s);
return _Base::find_last_not_of(__s, __pos, __n);
}
size_type
find_last_not_of(const _CharT* __s, size_type __pos = _Base::npos) const
{
__glibcxx_check_string(__s);
return _Base::find_last_not_of(__s, __pos);
}
size_type
find_last_not_of(_CharT __c, size_type __pos = _Base::npos) const
_GLIBCXX_NOEXCEPT
{ return _Base::find_last_not_of(__c, __pos); }
basic_string
substr(size_type __pos = 0, size_type __n = _Base::npos) const
{ return basic_string(_Base::substr(__pos, __n)); }
int
compare(const basic_string& __str) const
{ return _Base::compare(__str); }
int
compare(size_type __pos1, size_type __n1,
const basic_string& __str) const
{ return _Base::compare(__pos1, __n1, __str); }
int
compare(size_type __pos1, size_type __n1, const basic_string& __str,
size_type __pos2, size_type __n2) const
{ return _Base::compare(__pos1, __n1, __str, __pos2, __n2); }
int
compare(const _CharT* __s) const
{
__glibcxx_check_string(__s);
return _Base::compare(__s);
}
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 5. string::compare specification questionable
int
compare(size_type __pos1, size_type __n1, const _CharT* __s) const
{
__glibcxx_check_string(__s);
return _Base::compare(__pos1, __n1, __s);
}
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 5. string::compare specification questionable
int
compare(size_type __pos1, size_type __n1,const _CharT* __s,
size_type __n2) const
{
__glibcxx_check_string_len(__s, __n2);
return _Base::compare(__pos1, __n1, __s, __n2);
}
_Base&
_M_base() _GLIBCXX_NOEXCEPT { return *this; }
const _Base&
_M_base() const _GLIBCXX_NOEXCEPT { return *this; }
using _Safe::_M_invalidate_all;
};
template<typename _CharT, typename _Traits, typename _Allocator>
inline basic_string<_CharT,_Traits,_Allocator>
operator+(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
const basic_string<_CharT,_Traits,_Allocator>& __rhs)
{ return basic_string<_CharT,_Traits,_Allocator>(__lhs) += __rhs; }
template<typename _CharT, typename _Traits, typename _Allocator>
inline basic_string<_CharT,_Traits,_Allocator>
operator+(const _CharT* __lhs,
const basic_string<_CharT,_Traits,_Allocator>& __rhs)
{
__glibcxx_check_string(__lhs);
return basic_string<_CharT,_Traits,_Allocator>(__lhs) += __rhs;
}
template<typename _CharT, typename _Traits, typename _Allocator>
inline basic_string<_CharT,_Traits,_Allocator>
operator+(_CharT __lhs,
const basic_string<_CharT,_Traits,_Allocator>& __rhs)
{ return basic_string<_CharT,_Traits,_Allocator>(1, __lhs) += __rhs; }
template<typename _CharT, typename _Traits, typename _Allocator>
inline basic_string<_CharT,_Traits,_Allocator>
operator+(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
const _CharT* __rhs)
{
__glibcxx_check_string(__rhs);
return basic_string<_CharT,_Traits,_Allocator>(__lhs) += __rhs;
}
template<typename _CharT, typename _Traits, typename _Allocator>
inline basic_string<_CharT,_Traits,_Allocator>
operator+(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
_CharT __rhs)
{ return basic_string<_CharT,_Traits,_Allocator>(__lhs) += __rhs; }
template<typename _CharT, typename _Traits, typename _Allocator>
inline bool
operator==(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
const basic_string<_CharT,_Traits,_Allocator>& __rhs)
{ return __lhs._M_base() == __rhs._M_base(); }
template<typename _CharT, typename _Traits, typename _Allocator>
inline bool
operator==(const _CharT* __lhs,
const basic_string<_CharT,_Traits,_Allocator>& __rhs)
{
__glibcxx_check_string(__lhs);
return __lhs == __rhs._M_base();
}
template<typename _CharT, typename _Traits, typename _Allocator>
inline bool
operator==(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
const _CharT* __rhs)
{
__glibcxx_check_string(__rhs);
return __lhs._M_base() == __rhs;
}
template<typename _CharT, typename _Traits, typename _Allocator>
inline bool
operator!=(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
const basic_string<_CharT,_Traits,_Allocator>& __rhs)
{ return __lhs._M_base() != __rhs._M_base(); }
template<typename _CharT, typename _Traits, typename _Allocator>
inline bool
operator!=(const _CharT* __lhs,
const basic_string<_CharT,_Traits,_Allocator>& __rhs)
{
__glibcxx_check_string(__lhs);
return __lhs != __rhs._M_base();
}
template<typename _CharT, typename _Traits, typename _Allocator>
inline bool
operator!=(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
const _CharT* __rhs)
{
__glibcxx_check_string(__rhs);
return __lhs._M_base() != __rhs;
}
template<typename _CharT, typename _Traits, typename _Allocator>
inline bool
operator<(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
const basic_string<_CharT,_Traits,_Allocator>& __rhs)
{ return __lhs._M_base() < __rhs._M_base(); }
template<typename _CharT, typename _Traits, typename _Allocator>
inline bool
operator<(const _CharT* __lhs,
const basic_string<_CharT,_Traits,_Allocator>& __rhs)
{
__glibcxx_check_string(__lhs);
return __lhs < __rhs._M_base();
}
template<typename _CharT, typename _Traits, typename _Allocator>
inline bool
operator<(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
const _CharT* __rhs)
{
__glibcxx_check_string(__rhs);
return __lhs._M_base() < __rhs;
}
template<typename _CharT, typename _Traits, typename _Allocator>
inline bool
operator<=(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
const basic_string<_CharT,_Traits,_Allocator>& __rhs)
{ return __lhs._M_base() <= __rhs._M_base(); }
template<typename _CharT, typename _Traits, typename _Allocator>
inline bool
operator<=(const _CharT* __lhs,
const basic_string<_CharT,_Traits,_Allocator>& __rhs)
{
__glibcxx_check_string(__lhs);
return __lhs <= __rhs._M_base();
}
template<typename _CharT, typename _Traits, typename _Allocator>
inline bool
operator<=(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
const _CharT* __rhs)
{
__glibcxx_check_string(__rhs);
return __lhs._M_base() <= __rhs;
}
template<typename _CharT, typename _Traits, typename _Allocator>
inline bool
operator>=(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
const basic_string<_CharT,_Traits,_Allocator>& __rhs)
{ return __lhs._M_base() >= __rhs._M_base(); }
template<typename _CharT, typename _Traits, typename _Allocator>
inline bool
operator>=(const _CharT* __lhs,
const basic_string<_CharT,_Traits,_Allocator>& __rhs)
{
__glibcxx_check_string(__lhs);
return __lhs >= __rhs._M_base();
}
template<typename _CharT, typename _Traits, typename _Allocator>
inline bool
operator>=(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
const _CharT* __rhs)
{
__glibcxx_check_string(__rhs);
return __lhs._M_base() >= __rhs;
}
template<typename _CharT, typename _Traits, typename _Allocator>
inline bool
operator>(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
const basic_string<_CharT,_Traits,_Allocator>& __rhs)
{ return __lhs._M_base() > __rhs._M_base(); }
template<typename _CharT, typename _Traits, typename _Allocator>
inline bool
operator>(const _CharT* __lhs,
const basic_string<_CharT,_Traits,_Allocator>& __rhs)
{
__glibcxx_check_string(__lhs);
return __lhs > __rhs._M_base();
}
template<typename _CharT, typename _Traits, typename _Allocator>
inline bool
operator>(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
const _CharT* __rhs)
{
__glibcxx_check_string(__rhs);
return __lhs._M_base() > __rhs;
}
// 21.3.7.8:
template<typename _CharT, typename _Traits, typename _Allocator>
inline void
swap(basic_string<_CharT,_Traits,_Allocator>& __lhs,
basic_string<_CharT,_Traits,_Allocator>& __rhs)
{ __lhs.swap(__rhs); }
template<typename _CharT, typename _Traits, typename _Allocator>
std::basic_ostream<_CharT, _Traits>&
operator<<(std::basic_ostream<_CharT, _Traits>& __os,
const basic_string<_CharT, _Traits, _Allocator>& __str)
{ return __os << __str._M_base(); }
template<typename _CharT, typename _Traits, typename _Allocator>
std::basic_istream<_CharT,_Traits>&
operator>>(std::basic_istream<_CharT,_Traits>& __is,
basic_string<_CharT,_Traits,_Allocator>& __str)
{
std::basic_istream<_CharT,_Traits>& __res = __is >> __str._M_base();
__str._M_invalidate_all();
return __res;
}
template<typename _CharT, typename _Traits, typename _Allocator>
std::basic_istream<_CharT,_Traits>&
getline(std::basic_istream<_CharT,_Traits>& __is,
basic_string<_CharT,_Traits,_Allocator>& __str, _CharT __delim)
{
std::basic_istream<_CharT,_Traits>& __res = getline(__is,
__str._M_base(),
__delim);
__str._M_invalidate_all();
return __res;
}
template<typename _CharT, typename _Traits, typename _Allocator>
std::basic_istream<_CharT,_Traits>&
getline(std::basic_istream<_CharT,_Traits>& __is,
basic_string<_CharT,_Traits,_Allocator>& __str)
{
std::basic_istream<_CharT,_Traits>& __res = getline(__is,
__str._M_base());
__str._M_invalidate_all();
return __res;
}
typedef basic_string<char> string;
#ifdef _GLIBCXX_USE_WCHAR_T
typedef basic_string<wchar_t> wstring;
#endif
#ifdef _GLIBCXX_USE_CHAR8_T
/// A string of @c char8_t
typedef basic_string<char8_t> u8string;
#endif
#if __cplusplus >= 201103L
/// A string of @c char16_t
typedef basic_string<char16_t> u16string;
/// A string of @c char32_t
typedef basic_string<char32_t> u32string;
#endif
template<typename _CharT, typename _Traits, typename _Allocator>
struct _Insert_range_from_self_is_safe<
__gnu_debug::basic_string<_CharT, _Traits, _Allocator> >
{ enum { __value = 1 }; };
} // namespace __gnu_debug
#if __cplusplus >= 201103L
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
/// std::hash specialization for __gnu_debug::basic_string.
template<typename _CharT>
struct hash<__gnu_debug::basic_string<_CharT>>
: public hash<std::basic_string<_CharT>>
{ };
template<typename _CharT>
struct __is_fast_hash<hash<__gnu_debug::basic_string<_CharT>>>
: __is_fast_hash<hash<std::basic_string<_CharT>>>
{ };
_GLIBCXX_END_NAMESPACE_VERSION
}
#endif /* C++11 */
#undef _GLIBCXX_INSERT_RETURNS_ITERATOR
#undef _GLIBCXX_INSERT_RETURNS_ITERATOR_ONLY
#endif