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Diffstat (limited to 'libstdc++-v3/include/ext/pb_ds/detail/debug_map_base.hpp')
| -rw-r--r-- | libstdc++-v3/include/ext/pb_ds/detail/debug_map_base.hpp | 365 |
1 files changed, 365 insertions, 0 deletions
diff --git a/libstdc++-v3/include/ext/pb_ds/detail/debug_map_base.hpp b/libstdc++-v3/include/ext/pb_ds/detail/debug_map_base.hpp new file mode 100644 index 00000000000..086a50fc5fd --- /dev/null +++ b/libstdc++-v3/include/ext/pb_ds/detail/debug_map_base.hpp @@ -0,0 +1,365 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 2006, 2007 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. + +// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. + +// Permission to use, copy, modify, sell, and distribute this software +// is hereby granted without fee, provided that the above copyright +// notice appears in all copies, and that both that copyright notice +// and this permission notice appear in supporting documentation. None +// of the above authors, nor IBM Haifa Research Laboratories, make any +// representation about the suitability of this software for any +// purpose. It is provided "as is" without express or implied +// warranty. + +/** + * @file debug_map_base.hpp + * Contains a debug-mode base for all maps. + */ + +#ifndef PB_DS_DEBUG_MAP_BASE_HPP +#define PB_DS_DEBUG_MAP_BASE_HPP + +#ifdef _GLIBCXX_DEBUG + +#include <list> +#include <utility> +#include <cstdlib> +#include <ext/throw_allocator.h> +#include <debug/debug.h> + +namespace __gnu_pbds +{ + namespace detail + { + // Need std::pair ostream extractor. + template<typename _CharT, typename _Traits, typename _Tp1, typename _Tp2> + inline std::basic_ostream<_CharT, _Traits>& + operator<<(std::basic_ostream<_CharT, _Traits>& __out, + const std::pair<_Tp1, _Tp2>& p) + { return (__out << '(' << p.first << ',' << p.second << ')'); } + +#define PB_DS_CLASS_T_DEC \ + template<typename Key, class Eq_Fn, typename Const_Key_Reference> + +#define PB_DS_CLASS_C_DEC \ + debug_map_base<Key, Eq_Fn, Const_Key_Reference> + + template<typename Key, class Eq_Fn, typename Const_Key_Reference> + class debug_map_base + { + private: + typedef typename std::allocator< Key> key_allocator; + + typedef typename key_allocator::size_type size_type; + + typedef Const_Key_Reference const_key_reference; + + protected: + debug_map_base(); + + debug_map_base(const PB_DS_CLASS_C_DEC& other); + + ~debug_map_base(); + + inline void + insert_new(const_key_reference r_key); + + inline void + erase_existing(const_key_reference r_key); + + void + clear(); + + inline void + check_key_exists(const_key_reference r_key) const; + + inline void + check_key_does_not_exist(const_key_reference r_key) const; + + inline void + check_size(size_type size) const; + + void + swap(PB_DS_CLASS_C_DEC& other); + + template<typename Cmp_Fn> + void + split(const_key_reference, Cmp_Fn, PB_DS_CLASS_C_DEC&); + + void + join(PB_DS_CLASS_C_DEC& other); + + private: + typedef std::list< Key> key_set; + typedef typename key_set::iterator key_set_iterator; + typedef typename key_set::const_iterator const_key_set_iterator; + +#ifdef _GLIBCXX_DEBUG + void + assert_valid() const; +#endif + + const_key_set_iterator + find(const_key_reference r_key) const; + + key_set_iterator + find(const_key_reference r_key); + + key_set m_key_set; + Eq_Fn m_eq; + }; + + PB_DS_CLASS_T_DEC + PB_DS_CLASS_C_DEC:: + debug_map_base() + { _GLIBCXX_DEBUG_ONLY(assert_valid();) } + + PB_DS_CLASS_T_DEC + PB_DS_CLASS_C_DEC:: + debug_map_base(const PB_DS_CLASS_C_DEC& other) : m_key_set(other.m_key_set) + { _GLIBCXX_DEBUG_ONLY(assert_valid();) } + + PB_DS_CLASS_T_DEC + PB_DS_CLASS_C_DEC:: + ~debug_map_base() + { _GLIBCXX_DEBUG_ONLY(assert_valid();) } + + PB_DS_CLASS_T_DEC + inline void + PB_DS_CLASS_C_DEC:: + insert_new(const_key_reference r_key) + { + _GLIBCXX_DEBUG_ONLY(assert_valid();) + __gnu_cxx::throw_allocator<char> alloc; + const double orig_throw_prob = alloc.get_throw_prob(); + alloc.set_throw_prob(0); + if (find(r_key) != m_key_set.end()) + { + std::cerr << "insert_new" << r_key << std::endl; + std::abort(); + } + + try + { + m_key_set.push_back(r_key); + } + catch(...) + { + std::cerr << "insert_new" << r_key << std::endl; + std::abort(); + } + alloc.set_throw_prob(orig_throw_prob); + _GLIBCXX_DEBUG_ONLY(assert_valid();) + } + + PB_DS_CLASS_T_DEC + inline void + PB_DS_CLASS_C_DEC:: + erase_existing(const_key_reference r_key) + { + _GLIBCXX_DEBUG_ONLY(assert_valid();) + key_set_iterator it = find(r_key); + if (it == m_key_set.end()) + { + std::cerr << "erase_existing" << r_key << std::endl; + std::abort(); + } + m_key_set.erase(it); + _GLIBCXX_DEBUG_ONLY(assert_valid();) + } + + PB_DS_CLASS_T_DEC + void + PB_DS_CLASS_C_DEC:: + clear() + { + _GLIBCXX_DEBUG_ONLY(assert_valid();) + m_key_set.clear(); + _GLIBCXX_DEBUG_ONLY(assert_valid();) + } + + PB_DS_CLASS_T_DEC + inline void + PB_DS_CLASS_C_DEC:: + check_key_exists(const_key_reference r_key) const + { + _GLIBCXX_DEBUG_ONLY(assert_valid();) + if (find(r_key) == m_key_set.end()) + { + std::cerr << "check_key_exists" << r_key << std::endl; + std::abort(); + } + _GLIBCXX_DEBUG_ONLY(assert_valid();) + } + + PB_DS_CLASS_T_DEC + inline void + PB_DS_CLASS_C_DEC:: + check_key_does_not_exist(const_key_reference r_key) const + { + _GLIBCXX_DEBUG_ONLY(assert_valid();) + if (find(r_key) != m_key_set.end()) + { + using std::cerr; + using std::endl; + cerr << "check_key_does_not_exist" << r_key << endl; + std::abort(); + } + } + + PB_DS_CLASS_T_DEC + inline void + PB_DS_CLASS_C_DEC:: + check_size(size_type size) const + { + _GLIBCXX_DEBUG_ONLY(assert_valid();) + const size_type key_set_size = m_key_set.size(); + if (size != key_set_size) + { + std::cerr << "check_size " << size + << " " << key_set_size << std::endl; + std::abort(); + } + _GLIBCXX_DEBUG_ONLY(assert_valid();) + } + + PB_DS_CLASS_T_DEC + void + PB_DS_CLASS_C_DEC:: + swap(PB_DS_CLASS_C_DEC& other) + { + _GLIBCXX_DEBUG_ONLY(assert_valid();) + m_key_set.swap(other.m_key_set); + _GLIBCXX_DEBUG_ONLY(assert_valid();) + } + + PB_DS_CLASS_T_DEC + typename PB_DS_CLASS_C_DEC::const_key_set_iterator + PB_DS_CLASS_C_DEC:: + find(const_key_reference r_key) const + { + _GLIBCXX_DEBUG_ONLY(assert_valid();) + typedef const_key_set_iterator iterator_type; + for (iterator_type it = m_key_set.begin(); it != m_key_set.end(); ++it) + if (m_eq(*it, r_key)) + return it; + return m_key_set.end(); + } + + PB_DS_CLASS_T_DEC + typename PB_DS_CLASS_C_DEC::key_set_iterator + PB_DS_CLASS_C_DEC:: + find(const_key_reference r_key) + { + _GLIBCXX_DEBUG_ONLY(assert_valid();) + key_set_iterator it = m_key_set.begin(); + while (it != m_key_set.end()) + { + if (m_eq(*it, r_key)) + return it; + ++it; + } + return it; + _GLIBCXX_DEBUG_ONLY(assert_valid();) + } + +#ifdef _GLIBCXX_DEBUG + PB_DS_CLASS_T_DEC + void + PB_DS_CLASS_C_DEC:: + assert_valid() const + { + const_key_set_iterator prime_it = m_key_set.begin(); + while (prime_it != m_key_set.end()) + { + const_key_set_iterator sec_it = prime_it; + ++sec_it; + while (sec_it != m_key_set.end()) + { + _GLIBCXX_DEBUG_ASSERT(!m_eq(*sec_it, *prime_it)); + _GLIBCXX_DEBUG_ASSERT(!m_eq(*prime_it, *sec_it)); + ++sec_it; + } + ++prime_it; + } + } +#endif + + PB_DS_CLASS_T_DEC + template<typename Cmp_Fn> + void + PB_DS_CLASS_C_DEC:: + split(const_key_reference r_key, Cmp_Fn cmp_fn, PB_DS_CLASS_C_DEC& other) + { + __gnu_cxx::throw_allocator<char> alloc; + const double orig_throw_prob = alloc.get_throw_prob(); + alloc.set_throw_prob(0); + other.clear(); + key_set_iterator it = m_key_set.begin(); + while (it != m_key_set.end()) + if (cmp_fn(r_key, * it)) + { + other.insert_new(*it); + it = m_key_set.erase(it); + } + else + ++it; + alloc.set_throw_prob(orig_throw_prob); + } + + PB_DS_CLASS_T_DEC + void + PB_DS_CLASS_C_DEC:: + join(PB_DS_CLASS_C_DEC& other) + { + __gnu_cxx::throw_allocator<char> alloc; + const double orig_throw_prob = alloc.get_throw_prob(); + alloc.set_throw_prob(0); + key_set_iterator it = other.m_key_set.begin(); + while (it != other.m_key_set.end()) + { + insert_new(*it); + it = other.m_key_set.erase(it); + } + _GLIBCXX_DEBUG_ASSERT(other.m_key_set.empty()); + alloc.set_throw_prob(orig_throw_prob); + } + +#undef PB_DS_CLASS_T_DEC +#undef PB_DS_CLASS_C_DEC + +} // namespace detail +} // namespace __gnu_pbds + +#endif + +#endif + |