--- /dev/null
+// -*- C++ -*-
+
+// Copyright (C) 2005, 2006, 2007, 2008, 2009 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/>.
+
+// 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 <iostream>
+#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
+
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