| // -*- C++ -*- |
| |
| // Copyright (C) 2005-2014 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 detail/tree_trace_base.hpp |
| * Contains tree-related policies. |
| */ |
| |
| #ifndef PB_DS_TREE_TRACE_BASE_HPP |
| #define PB_DS_TREE_TRACE_BASE_HPP |
| |
| #ifdef PB_DS_TREE_TRACE |
| |
| #include <ext/pb_ds/detail/branch_policy/branch_policy.hpp> |
| #include <ext/pb_ds/detail/branch_policy/null_node_metadata.hpp> |
| |
| namespace __gnu_pbds |
| { |
| namespace detail |
| { |
| #ifdef PB_DS_TREE_TRACE |
| |
| #define PB_DS_CLASS_T_DEC \ |
| template<typename Node_CItr, typename Node_Itr, \ |
| typename Cmp_Fn, bool Node_Based, typename _Alloc> |
| |
| #define PB_DS_CLASS_C_DEC \ |
| tree_trace_base<Node_CItr, Node_Itr, Cmp_Fn, \ |
| Node_Based, _Alloc> |
| |
| #define PB_DS_TRACE_BASE \ |
| branch_policy<Node_CItr, Node_Itr, _Alloc> |
| |
| /// Tracing base class. |
| template<typename Node_CItr, typename Node_Itr, |
| typename Cmp_Fn, bool Node_Based, typename _Alloc> |
| class tree_trace_base : private PB_DS_TRACE_BASE |
| { |
| public: |
| void |
| trace() const; |
| |
| private: |
| typedef PB_DS_TRACE_BASE base_type; |
| typedef Node_CItr node_const_iterator; |
| typedef typename _Alloc::size_type size_type; |
| |
| void |
| trace_node(node_const_iterator, size_type) const; |
| |
| virtual bool |
| empty() const = 0; |
| |
| virtual node_const_iterator |
| node_begin() const = 0; |
| |
| virtual node_const_iterator |
| node_end() const = 0; |
| |
| static void |
| print_node_pointer(Node_CItr, integral_constant<int,true>); |
| |
| static void |
| print_node_pointer(Node_CItr, integral_constant<int,false>); |
| |
| template<typename Metadata_> |
| static void |
| trace_it_metadata(Node_CItr, type_to_type<Metadata_>); |
| |
| static void |
| trace_it_metadata(Node_CItr, type_to_type<null_type>); |
| }; |
| |
| PB_DS_CLASS_T_DEC |
| void |
| PB_DS_CLASS_C_DEC:: |
| trace() const |
| { |
| if (empty()) |
| return; |
| trace_node(node_begin(), 0); |
| } |
| |
| PB_DS_CLASS_T_DEC |
| void |
| PB_DS_CLASS_C_DEC:: |
| trace_node(node_const_iterator nd_it, size_type level) const |
| { |
| if (nd_it.get_r_child() != node_end()) |
| trace_node(nd_it.get_r_child(), level + 1); |
| |
| for (size_type i = 0; i < level; ++i) |
| std::cerr << ' '; |
| |
| print_node_pointer(nd_it, integral_constant<int,Node_Based>()); |
| std::cerr << base_type::extract_key(*(*nd_it)); |
| |
| typedef type_to_type<typename node_const_iterator::metadata_type> |
| m_type_ind_t; |
| |
| trace_it_metadata(nd_it, m_type_ind_t()); |
| |
| std::cerr << std::endl; |
| |
| if (nd_it.get_l_child() != node_end()) |
| trace_node(nd_it.get_l_child(), level + 1); |
| } |
| |
| PB_DS_CLASS_T_DEC |
| template<typename Metadata_> |
| void |
| PB_DS_CLASS_C_DEC:: |
| trace_it_metadata(Node_CItr nd_it, type_to_type<Metadata_>) |
| { |
| const unsigned long ul = static_cast<unsigned long>(nd_it.get_metadata()); |
| std::cerr << " (" << ul << ") "; |
| } |
| |
| PB_DS_CLASS_T_DEC |
| void |
| PB_DS_CLASS_C_DEC:: |
| trace_it_metadata(Node_CItr, type_to_type<null_type>) |
| { } |
| |
| PB_DS_CLASS_T_DEC |
| void |
| PB_DS_CLASS_C_DEC:: |
| print_node_pointer(Node_CItr nd_it, integral_constant<int,true>) |
| { std::cerr << nd_it.m_p_nd << " "; } |
| |
| PB_DS_CLASS_T_DEC |
| void |
| PB_DS_CLASS_C_DEC:: |
| print_node_pointer(Node_CItr nd_it, integral_constant<int,false>) |
| { std::cerr << *nd_it << " "; } |
| |
| #undef PB_DS_CLASS_T_DEC |
| #undef PB_DS_CLASS_C_DEC |
| #undef PB_DS_TRACE_BASE |
| #endif // #ifdef PB_DS_TREE_TRACE |
| |
| } // namespace detail |
| } // namespace __gnu_pbds |
| |
| #endif // #ifdef PB_DS_TREE_TRACE |
| |
| #endif // #ifndef PB_DS_TREE_TRACE_BASE_HPP |