Edit File: tree_trace_base.hpp
// -*- C++ -*- // Copyright (C) 2005-2018 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
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