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Diffstat (limited to 'libstdc++-v3/include/debug/bitset')
| -rw-r--r-- | libstdc++-v3/include/debug/bitset | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/libstdc++-v3/include/debug/bitset b/libstdc++-v3/include/debug/bitset new file mode 100644 index 00000000000..3c474cf9d82 --- /dev/null +++ b/libstdc++-v3/include/debug/bitset @@ -0,0 +1,298 @@ +// Debugging bitset implementation -*- C++ -*- + +// Copyright (C) 2003 +// 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 2, 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 COPYING. If not, write to the Free +// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, +// USA. + +// As a special exception, you may use this file as part of a free software +// library without restriction. Specifically, if other files instantiate +// templates or use macros or inline functions from this file, or you compile +// this file and link it with other files to produce an executable, this +// file does not by itself cause the resulting executable to be covered by +// the GNU General Public License. This exception does not however +// invalidate any other reasons why the executable file might be covered by +// the GNU General Public License. + +#ifndef _GLIBCXX_DEBUG_BITSET +#define _GLIBCXX_DEBUG_BITSET + +#include <bitset> +#include <debug/safe_sequence.h> +#include <debug/safe_iterator.h> + +namespace __gnu_debug_def +{ + template<size_t _Nb> + class bitset + : public __gnu_norm::bitset<_Nb>, public __gnu_debug::_Safe_sequence_base + { + typedef __gnu_norm::bitset<_Nb> _Base; + typedef __gnu_debug::_Safe_sequence_base _Safe_base; + + public: + // bit reference: + class reference + : private _Base::reference, public __gnu_debug::_Safe_iterator_base + { + typedef typename _Base::reference _Base_ref; + + friend class bitset; + reference(); + + reference(const _Base_ref& __base, bitset* __seq) + : _Base_ref(__base), _Safe_iterator_base(__seq, false) + { } + + public: + reference(const reference& __x) + : _Base_ref(__x), _Safe_iterator_base(__x, false) + { } + + reference& + operator=(bool __x) + { + _GLIBCXX_DEBUG_VERIFY(! this->_M_singular(), + _M_message(::__gnu_debug::__msg_bad_bitset_write) + ._M_iterator(*this)); + *static_cast<_Base_ref*>(this) = __x; + return *this; + } + + reference& + operator=(const reference& __x) + { + _GLIBCXX_DEBUG_VERIFY(! __x._M_singular(), + _M_message(::__gnu_debug::__msg_bad_bitset_read) + ._M_iterator(__x)); + _GLIBCXX_DEBUG_VERIFY(! this->_M_singular(), + _M_message(::__gnu_debug::__msg_bad_bitset_write) + ._M_iterator(*this)); + *static_cast<_Base_ref*>(this) = __x; + return *this; + } + + bool + operator~() const + { + _GLIBCXX_DEBUG_VERIFY(! this->_M_singular(), + _M_message(::__gnu_debug::__msg_bad_bitset_read) + ._M_iterator(*this)); + return ~(*static_cast<const _Base_ref*>(this)); + } + + operator bool() const + { + _GLIBCXX_DEBUG_VERIFY(! this->_M_singular(), + _M_message(::__gnu_debug::__msg_bad_bitset_read) + ._M_iterator(*this)); + return *static_cast<const _Base_ref*>(this); + } + + reference& + flip() + { + _GLIBCXX_DEBUG_VERIFY(! this->_M_singular(), + _M_message(::__gnu_debug::__msg_bad_bitset_flip) + ._M_iterator(*this)); + _Base_ref::flip(); + return *this; + } + }; + + // 23.3.5.1 constructors: + bitset() : _Base() { } + + bitset(unsigned long __val) : _Base(__val) { } + + template<typename _CharT, typename _Traits, typename _Allocator> + explicit + bitset(const std::basic_string<_CharT,_Traits,_Allocator>& __str, + typename std::basic_string<_CharT,_Traits,_Allocator>::size_type + __pos = 0, + typename std::basic_string<_CharT,_Traits,_Allocator>::size_type + __n = (std::basic_string<_CharT,_Traits,_Allocator>::npos)) + : _Base(__str, __pos, __n) { } + + bitset(const _Base& __x) : _Base(__x), _Safe_base() { } + + // 23.3.5.2 bitset operations: + bitset<_Nb>& + operator&=(const bitset<_Nb>& __rhs) + { + _M_base() &= __rhs; + return *this; + } + + bitset<_Nb>& + operator|=(const bitset<_Nb>& __rhs) + { + _M_base() != __rhs; + return *this; + } + + bitset<_Nb>& + operator^=(const bitset<_Nb>& __rhs) + { + _M_base() ^= __rhs; + return *this; + } + + bitset<_Nb>& + operator<<=(size_t __pos) + { + _M_base() <<= __pos; + return *this; + } + + bitset<_Nb>& + operator>>=(size_t __pos) + { + _M_base() >>= __pos; + return *this; + } + + bitset<_Nb>& + set() + { + _Base::set(); + return *this; + } + + // _GLIBCXX_RESOLVE_LIB_DEFECTS + // 186. bitset::set() second parameter should be bool + bitset<_Nb>& + set(size_t __pos, bool __val = true) + { + _Base::set(__pos, __val); + return *this; + } + + bitset<_Nb>& + reset() + { + _Base::reset(); + return *this; + } + + bitset<_Nb>& + reset(size_t __pos) + { + _Base::reset(__pos); + return *this; + } + + bitset<_Nb> operator~() const { return bitset(~_M_base()); } + + bitset<_Nb>& + flip() + { + _Base::flip(); + return *this; + } + + bitset<_Nb>& + flip(size_t __pos) + { + _Base::flip(__pos); + return *this; + } + + // element access: + // _GLIBCXX_RESOLVE_LIB_DEFECTS + // 11. Bitset minor problems + reference + operator[](size_t __pos) + { + __glibcxx_check_subscript(__pos); + return reference(_M_base()[__pos], this); + } + + // _GLIBCXX_RESOLVE_LIB_DEFECTS + // 11. Bitset minor problems + bool + operator[](size_t __pos) const + { + __glibcxx_check_subscript(__pos); + return _M_base()[__pos]; + } + + using _Base::to_ulong; + + template <typename _CharT, typename _Traits, typename _Allocator> + std::basic_string<_CharT, _Traits, _Allocator> + to_string() const + { return _M_base().template to_string<_CharT, _Traits, _Allocator>(); } + + using _Base::count; + using _Base::size; + + bool + operator==(const bitset<_Nb>& __rhs) const + { return _M_base() == __rhs; } + + bool + operator!=(const bitset<_Nb>& __rhs) const + { return _M_base() != __rhs; } + + using _Base::test; + using _Base::any; + using _Base::none; + + bitset<_Nb> + operator<<(size_t __pos) const + { return bitset<_Nb>(_M_base() << __pos); } + + bitset<_Nb> + operator>>(size_t __pos) const + { return bitset<_Nb>(_M_base() >> __pos); } + + _Base& + _M_base() { return *this; } + + const _Base& + _M_base() const { return *this; } + }; + + template<size_t _Nb> + bitset<_Nb> + operator&(const bitset<_Nb>& __x, const bitset<_Nb>& __y) + { return bitset<_Nb>(__x) &= __y; } + + template<size_t _Nb> + bitset<_Nb> + operator|(const bitset<_Nb>& __x, const bitset<_Nb>& __y) + { return bitset<_Nb>(__x) |= __y; } + + template<size_t _Nb> + bitset<_Nb> + operator^(const bitset<_Nb>& __x, const bitset<_Nb>& __y) + { return bitset<_Nb>(__x) ^= __y; } + + template<typename _CharT, typename _Traits, size_t _Nb> + std::basic_istream<_CharT, _Traits>& + operator>>(std::basic_istream<_CharT, _Traits>& __is, bitset<_Nb>& __x) + { return __is >> __x._M_base(); } + + template<typename _CharT, typename _Traits, size_t _Nb> + std::basic_ostream<_CharT, _Traits>& + operator<<(std::basic_ostream<_CharT, _Traits>& __os, + const bitset<_Nb>& __x) + { return __os << __x._M_base(); } +} // namespace __gnu_debug_def + +#endif |