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// -*- 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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