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Unified Diff: gcc/libstdc++-v3/include/ext/pb_ds/detail/pat_trie_/split_fn_imps.hpp

Issue 3050029: [gcc] GCC 4.5.0=>4.5.1 (Closed) Base URL: ssh://git@gitrw.chromium.org:9222/nacl-toolchain.git
Patch Set: Created 10 years, 5 months ago
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Index: gcc/libstdc++-v3/include/ext/pb_ds/detail/pat_trie_/split_fn_imps.hpp
diff --git a/gcc/libstdc++-v3/include/ext/pb_ds/detail/pat_trie_/split_fn_imps.hpp b/gcc/libstdc++-v3/include/ext/pb_ds/detail/pat_trie_/split_fn_imps.hpp
deleted file mode 100644
index 9779a4bcd22bed7a943deb7852af7eebae787958..0000000000000000000000000000000000000000
--- a/gcc/libstdc++-v3/include/ext/pb_ds/detail/pat_trie_/split_fn_imps.hpp
+++ /dev/null
@@ -1,254 +0,0 @@
-// -*- 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 split_fn_imps.hpp
- * Contains an implementation class for bin_search_tree_.
- */
-
-PB_DS_CLASS_T_DEC
-void
-PB_DS_CLASS_C_DEC::
-split(const_key_reference r_key, PB_DS_CLASS_C_DEC& other)
-{
- _GLIBCXX_DEBUG_ONLY(assert_valid(););
- _GLIBCXX_DEBUG_ONLY(other.assert_valid(););
- split_join_branch_bag bag;
- leaf_pointer p_split_lf = split_prep(r_key, other, bag);
- if (p_split_lf == NULL)
- {
- _GLIBCXX_DEBUG_ASSERT(bag.empty());
- _GLIBCXX_DEBUG_ONLY(assert_valid();)
- _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
- return;
- }
-
- _GLIBCXX_DEBUG_ASSERT(!bag.empty());
- other.clear();
- m_p_head->m_p_parent = rec_split(m_p_head->m_p_parent,
- pref_begin(p_split_lf),
- pref_end(p_split_lf),
- other,
- bag);
-
- m_p_head->m_p_parent->m_p_parent = m_p_head;
-
- other.m_p_head->m_p_max = m_p_head->m_p_max;
- m_p_head->m_p_max = rightmost_descendant(m_p_head->m_p_parent);
- other.m_p_head->m_p_min =
- other.leftmost_descendant(other.m_p_head->m_p_parent);
-
- other.m_size = std::distance(other.PB_DS_CLASS_C_DEC::begin(),
- other.PB_DS_CLASS_C_DEC::end());
- m_size -= other.m_size;
- _GLIBCXX_DEBUG_ONLY(assert_valid(););
- _GLIBCXX_DEBUG_ONLY(other.assert_valid(););
-}
-
-PB_DS_CLASS_T_DEC
-typename PB_DS_CLASS_C_DEC::leaf_pointer
-PB_DS_CLASS_C_DEC::
-split_prep(const_key_reference r_key, PB_DS_CLASS_C_DEC& other, split_join_branch_bag& r_bag)
-{
- _GLIBCXX_DEBUG_ASSERT(r_bag.empty());
- if (m_size == 0)
- {
- other.clear();
- _GLIBCXX_DEBUG_ONLY(assert_valid(););
- _GLIBCXX_DEBUG_ONLY(other.assert_valid(););
- return (NULL);
- }
-
- if (synth_e_access_traits::cmp_keys(r_key,
- PB_DS_V2F(static_cast<const_leaf_pointer>(m_p_head->m_p_min)->value())))
- {
- other.clear();
- value_swap(other);
- _GLIBCXX_DEBUG_ONLY(assert_valid(););
- _GLIBCXX_DEBUG_ONLY(other.assert_valid(););
- return (NULL);
- }
-
- if (!synth_e_access_traits::cmp_keys(r_key,
- PB_DS_V2F(static_cast<const_leaf_pointer>(m_p_head->m_p_max)->value())))
- {
- _GLIBCXX_DEBUG_ONLY(assert_valid(););
- _GLIBCXX_DEBUG_ONLY(other.assert_valid(););
- return (NULL);
- }
-
- iterator it = lower_bound(r_key);
-
- if (!synth_e_access_traits::equal_keys(PB_DS_V2F(*it), r_key))
- --it;
-
- node_pointer p_nd = it.m_p_nd;
- _GLIBCXX_DEBUG_ASSERT(p_nd->m_type == pat_trie_leaf_node_type);
- leaf_pointer p_ret_l = static_cast<leaf_pointer>(p_nd);
- while (p_nd->m_type != pat_trie_head_node_type)
- {
- r_bag.add_branch();
- p_nd = p_nd->m_p_parent;
- }
- _GLIBCXX_DEBUG_ONLY(debug_base::split(r_key,(synth_e_access_traits& )(*this), other);)
-
- return (p_ret_l);
-}
-
-PB_DS_CLASS_T_DEC
-typename PB_DS_CLASS_C_DEC::node_pointer
-PB_DS_CLASS_C_DEC::
-rec_split(node_pointer p_nd, const_e_iterator b_it, const_e_iterator e_it, PB_DS_CLASS_C_DEC& other, split_join_branch_bag& r_bag)
-{
- if (p_nd->m_type == pat_trie_leaf_node_type)
- {
- _GLIBCXX_DEBUG_ASSERT(other.m_p_head->m_p_parent == NULL);
- return (p_nd);
- }
-
- _GLIBCXX_DEBUG_ASSERT(p_nd->m_type == pat_trie_internal_node_type);
- internal_node_pointer p_internal_nd = static_cast<internal_node_pointer>(p_nd);
-
- node_pointer p_child_ret = rec_split(p_internal_nd->get_child_node(b_it, e_it, this), b_it, e_it, other, r_bag);
-
- _GLIBCXX_DEBUG_ONLY(p_child_ret->assert_valid(this);)
- p_internal_nd->replace_child(p_child_ret, b_it, e_it, this);
- apply_update(p_internal_nd, (node_update* )this);
-
- typename internal_node::iterator child_it =
- p_internal_nd->get_child_it(b_it, e_it, this);
-
- const size_type lhs_num_children =
- std::distance(p_internal_nd->begin(), child_it) + 1;
-
- _GLIBCXX_DEBUG_ASSERT(lhs_num_children > 0);
-
- size_type rhs_num_children =
- std::distance(p_internal_nd->begin(), p_internal_nd->end()) -
- lhs_num_children;
-
- if (rhs_num_children == 0)
- {
- apply_update(p_internal_nd, (node_update* )this);
- return (p_internal_nd);
- }
-
- ++child_it;
- other.split_insert_branch(p_internal_nd->get_e_ind(),
- b_it, child_it, rhs_num_children, r_bag);
-
- child_it = p_internal_nd->get_child_it(b_it, e_it, this);
- ++child_it;
- while (rhs_num_children != 0)
- {
- child_it = p_internal_nd->remove_child(child_it);
- --rhs_num_children;
- }
-
- apply_update(p_internal_nd, (node_update* )this);
- _GLIBCXX_DEBUG_ASSERT(std::distance(p_internal_nd->begin(),
- p_internal_nd->end()) >= 1);
-
- if (std::distance(p_internal_nd->begin(), p_internal_nd->end()) > 1)
- {
- p_internal_nd->update_prefixes(this);
- _GLIBCXX_DEBUG_ONLY(p_internal_nd->assert_valid(this);)
- apply_update(p_internal_nd, (node_update* )this);
- return (p_internal_nd);
- }
-
- node_pointer p_ret =* p_internal_nd->begin();
- p_internal_nd->~internal_node();
- s_internal_node_allocator.deallocate(p_internal_nd, 1);
- apply_update(p_ret, (node_update* )this);
- return (p_ret);
-}
-
-PB_DS_CLASS_T_DEC
-void
-PB_DS_CLASS_C_DEC::
-split_insert_branch(size_type e_ind, const_e_iterator b_it, typename internal_node::iterator child_b_it, size_type num_children, split_join_branch_bag& r_bag)
-{
-#ifdef _GLIBCXX_DEBUG
- if (m_p_head->m_p_parent != NULL)
- m_p_head->m_p_parent->assert_valid(this);
-#endif
-
- const size_type total_num_children =((m_p_head->m_p_parent == NULL)? 0 : 1) + num_children;
-
- if (total_num_children == 0)
- {
- _GLIBCXX_DEBUG_ASSERT(m_p_head->m_p_parent == NULL);
- return;
- }
-
- if (total_num_children == 1)
- {
- if (m_p_head->m_p_parent != NULL)
- {
- _GLIBCXX_DEBUG_ONLY(m_p_head->m_p_parent->assert_valid(this);)
- return;
- }
-
- _GLIBCXX_DEBUG_ASSERT(m_p_head->m_p_parent == NULL);
- m_p_head->m_p_parent =* child_b_it;
- m_p_head->m_p_parent->m_p_parent = m_p_head;
- apply_update(m_p_head->m_p_parent, (node_update* )this);
- _GLIBCXX_DEBUG_ONLY(m_p_head->m_p_parent->assert_valid(this);)
- return;
- }
-
- _GLIBCXX_DEBUG_ASSERT(total_num_children > 1);
- internal_node_pointer p_new_root = r_bag.get_branch();
- new (p_new_root) internal_node(e_ind, b_it);
- size_type num_inserted = 0;
- while (num_inserted++ < num_children)
- {
- _GLIBCXX_DEBUG_ONLY((*child_b_it)->assert_valid(this);)
- p_new_root->add_child(*child_b_it, pref_begin(*child_b_it),
- pref_end(*child_b_it), this);
- ++child_b_it;
- }
-
- if (m_p_head->m_p_parent != NULL)
- p_new_root->add_child(m_p_head->m_p_parent,
- pref_begin(m_p_head->m_p_parent),
- pref_end(m_p_head->m_p_parent), this);
-
- m_p_head->m_p_parent = p_new_root;
- p_new_root->m_p_parent = m_p_head;
- apply_update(m_p_head->m_p_parent, (node_update* )this);
- _GLIBCXX_DEBUG_ONLY(m_p_head->m_p_parent->assert_valid(this);)
-}

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