// Debugging string implementation -*- C++ -*- // Copyright (C) 2003-2022 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 // . /** @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 #include #include #include #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 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 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 _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 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 reverse_iterator; typedef std::reverse_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), __a), _Base(std::move(__s), __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 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&) = default; basic_string& operator=(basic_string&&) = default; #endif basic_string& operator=(const _CharT* __s) { __glibcxx_check_string(__s); _Base::operator=(__s); this->_M_invalidate_all(); return *this; } basic_string& operator=(_CharT __c) { _Base::operator=(__c); this->_M_invalidate_all(); return *this; } #if __cplusplus >= 201103L basic_string& operator=(std::initializer_list<_CharT> __l) { _Base::operator=(__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 _Base::operator[](__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 _Base::operator[](__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) { _Base::operator+=(__str); this->_M_invalidate_all(); return *this; } basic_string& operator+=(const _CharT* __s) { __glibcxx_check_string(__s); _Base::operator+=(__s); this->_M_invalidate_all(); return *this; } basic_string& operator+=(_CharT __c) { _Base::operator+=(__c); this->_M_invalidate_all(); return *this; } #if __cplusplus >= 201103L basic_string& operator+=(std::initializer_list<_CharT> __l) { _Base::operator+=(__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 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 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 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 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 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 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 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 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 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 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 inline bool operator==(const _CharT* __lhs, const basic_string<_CharT,_Traits,_Allocator>& __rhs) { __glibcxx_check_string(__lhs); return __lhs == __rhs._M_base(); } template inline bool operator==(const basic_string<_CharT,_Traits,_Allocator>& __lhs, const _CharT* __rhs) { __glibcxx_check_string(__rhs); return __lhs._M_base() == __rhs; } template 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 inline bool operator!=(const _CharT* __lhs, const basic_string<_CharT,_Traits,_Allocator>& __rhs) { __glibcxx_check_string(__lhs); return __lhs != __rhs._M_base(); } template inline bool operator!=(const basic_string<_CharT,_Traits,_Allocator>& __lhs, const _CharT* __rhs) { __glibcxx_check_string(__rhs); return __lhs._M_base() != __rhs; } template 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 inline bool operator<(const _CharT* __lhs, const basic_string<_CharT,_Traits,_Allocator>& __rhs) { __glibcxx_check_string(__lhs); return __lhs < __rhs._M_base(); } template inline bool operator<(const basic_string<_CharT,_Traits,_Allocator>& __lhs, const _CharT* __rhs) { __glibcxx_check_string(__rhs); return __lhs._M_base() < __rhs; } template 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 inline bool operator<=(const _CharT* __lhs, const basic_string<_CharT,_Traits,_Allocator>& __rhs) { __glibcxx_check_string(__lhs); return __lhs <= __rhs._M_base(); } template inline bool operator<=(const basic_string<_CharT,_Traits,_Allocator>& __lhs, const _CharT* __rhs) { __glibcxx_check_string(__rhs); return __lhs._M_base() <= __rhs; } template 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 inline bool operator>=(const _CharT* __lhs, const basic_string<_CharT,_Traits,_Allocator>& __rhs) { __glibcxx_check_string(__lhs); return __lhs >= __rhs._M_base(); } template inline bool operator>=(const basic_string<_CharT,_Traits,_Allocator>& __lhs, const _CharT* __rhs) { __glibcxx_check_string(__rhs); return __lhs._M_base() >= __rhs; } template 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 inline bool operator>(const _CharT* __lhs, const basic_string<_CharT,_Traits,_Allocator>& __rhs) { __glibcxx_check_string(__lhs); return __lhs > __rhs._M_base(); } template 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 inline void swap(basic_string<_CharT,_Traits,_Allocator>& __lhs, basic_string<_CharT,_Traits,_Allocator>& __rhs) { __lhs.swap(__rhs); } template 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 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 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 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 string; typedef basic_string wstring; #ifdef _GLIBCXX_USE_CHAR8_T /// A string of @c char8_t typedef basic_string u8string; #endif #if __cplusplus >= 201103L /// A string of @c char16_t typedef basic_string u16string; /// A string of @c char32_t typedef basic_string u32string; #endif template 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 struct hash<__gnu_debug::basic_string<_CharT>> : public hash> { }; template struct __is_fast_hash>> : __is_fast_hash>> { }; _GLIBCXX_END_NAMESPACE_VERSION } #endif /* C++11 */ #undef _GLIBCXX_INSERT_RETURNS_ITERATOR #undef _GLIBCXX_INSERT_RETURNS_ITERATOR_ONLY #endif