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// -*- C++ -*-

// Copyright (C) 2005, 2006, 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_fn_imps.hpp

 * Contains an implementation class for pat_trie_.

 */

#ifdef _GLIBCXX_DEBUG

PB_DS_CLASS_T_DEC

void

PB_DS_CLASS_C_DEC::

assert_valid() const

{

  if (m_p_head->m_p_parent != NULL)

    m_p_head->m_p_parent->assert_valid(this);

  assert_iterators();

  assert_reverse_iterators();

  if (m_p_head->m_p_parent == NULL)

    {

      _GLIBCXX_DEBUG_ASSERT(m_p_head->m_p_min == m_p_head);

      _GLIBCXX_DEBUG_ASSERT(m_p_head->m_p_max == m_p_head);

      _GLIBCXX_DEBUG_ASSERT(empty());

      return;

    }

  _GLIBCXX_DEBUG_ASSERT(m_p_head->m_p_min->m_type == pat_trie_leaf_node_type);

  _GLIBCXX_DEBUG_ASSERT(m_p_head->m_p_max->m_type == pat_trie_leaf_node_type);

  _GLIBCXX_DEBUG_ASSERT(!empty());

}

PB_DS_CLASS_T_DEC

void

PB_DS_CLASS_C_DEC::

assert_iterators() const

{

  size_type calc_size = 0;

  for (const_iterator it = begin(); it != end(); ++it)

    {

      ++calc_size;

      debug_base::check_key_exists(PB_DS_V2F(*it));

      _GLIBCXX_DEBUG_ASSERT(lower_bound(PB_DS_V2F(*it)) == it);

      _GLIBCXX_DEBUG_ASSERT(--upper_bound(PB_DS_V2F(*it)) == it);

    }

  _GLIBCXX_DEBUG_ASSERT(calc_size == m_size);

}

PB_DS_CLASS_T_DEC

void

PB_DS_CLASS_C_DEC::

assert_reverse_iterators() const

{

  size_type calc_size = 0;

  for (const_reverse_iterator it = rbegin(); it != rend(); ++it)

    {

      ++calc_size;

      const_node_pointer p_nd =

        const_cast<PB_DS_CLASS_C_DEC* >(this)->find_imp(PB_DS_V2F(*it));

      _GLIBCXX_DEBUG_ASSERT(p_nd == it.m_p_nd);

    }

  _GLIBCXX_DEBUG_ASSERT(calc_size == m_size);

}

PB_DS_CLASS_T_DEC

typename PB_DS_CLASS_C_DEC::size_type

PB_DS_CLASS_C_DEC::

recursive_count_leafs(const_node_pointer p_nd)

{

  if (p_nd == NULL)

    return (0);

  if (p_nd->m_type == pat_trie_leaf_node_type)

    return (1);

  _GLIBCXX_DEBUG_ASSERT(p_nd->m_type == pat_trie_internal_node_type);

  size_type ret = 0;

  for (typename internal_node::const_iterator it =

         static_cast<const_internal_node_pointer>(p_nd)->begin();

       it != static_cast<const_internal_node_pointer>(p_nd)->end();

       ++it)

    ret += recursive_count_leafs(*it);

  return ret;

}

#endif