// -*- C++ -*-
-// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
+// 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
// warranty.
/**
- * @file split_fn_imps.hpp
- * Contains an implementation class for bin_search_tree_.
+ * @file pat_trie_/split_fn_imps.hpp
+ * Contains an implementation class for pat_trie.
*/
PB_DS_CLASS_T_DEC
void
PB_DS_CLASS_C_DEC::
-split(const_key_reference r_key, PB_DS_CLASS_C_DEC& other)
+split(key_const_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;
+ PB_DS_ASSERT_VALID((*this))
+ PB_DS_ASSERT_VALID(other)
+ branch_bag bag;
leaf_pointer p_split_lf = split_prep(r_key, other, bag);
if (p_split_lf == 0)
{
_GLIBCXX_DEBUG_ASSERT(bag.empty());
- _GLIBCXX_DEBUG_ONLY(assert_valid();)
- _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
+ PB_DS_ASSERT_VALID((*this))
+ PB_DS_ASSERT_VALID(other)
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 = 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;
+ head_pointer __ohead = other.m_p_head;
+ __ohead->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);
+ __ohead->m_p_min = other.leftmost_descendant(__ohead->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_ASSERT_VALID((*this))
+ PB_DS_ASSERT_VALID(other)
}
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)
+split_prep(key_const_reference r_key, PB_DS_CLASS_C_DEC& other,
+ 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 (0);
+ PB_DS_ASSERT_VALID((*this))
+ PB_DS_ASSERT_VALID(other)
+ return 0;
}
- if (synth_e_access_traits::cmp_keys(r_key,
- PB_DS_V2F(static_cast<const_leaf_pointer>(m_p_head->m_p_min)->value())))
+ if (synth_access_traits::cmp_keys(r_key,
+ PB_DS_V2F(static_cast<leaf_const_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 (0);
+ PB_DS_ASSERT_VALID((*this))
+ PB_DS_ASSERT_VALID(other)
+ return 0;
}
- if (!synth_e_access_traits::cmp_keys(r_key,
- PB_DS_V2F(static_cast<const_leaf_pointer>(m_p_head->m_p_max)->value())))
+ if (!synth_access_traits::cmp_keys(r_key,
+ PB_DS_V2F(static_cast<leaf_const_pointer>(m_p_head->m_p_max)->value())))
{
- _GLIBCXX_DEBUG_ONLY(assert_valid(););
- _GLIBCXX_DEBUG_ONLY(other.assert_valid(););
- return (0);
+ PB_DS_ASSERT_VALID((*this))
+ PB_DS_ASSERT_VALID(other)
+ return 0;
}
iterator it = lower_bound(r_key);
- if (!synth_e_access_traits::equal_keys(PB_DS_V2F(*it), r_key))
+ if (!synth_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);
+ _GLIBCXX_DEBUG_ASSERT(p_nd->m_type == leaf_node);
leaf_pointer p_ret_l = static_cast<leaf_pointer>(p_nd);
- while (p_nd->m_type != pat_trie_head_node_type)
+ while (p_nd->m_type != head_node)
{
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);)
+ _GLIBCXX_DEBUG_ONLY(debug_base::split(r_key,(synth_access_traits&)(*this), other);)
- return (p_ret_l);
+ 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)
+rec_split(node_pointer p_nd, a_const_iterator b_it, a_const_iterator e_it,
+ PB_DS_CLASS_C_DEC& other, branch_bag& r_bag)
{
- if (p_nd->m_type == pat_trie_leaf_node_type)
+ if (p_nd->m_type == leaf_node)
{
_GLIBCXX_DEBUG_ASSERT(other.m_p_head->m_p_parent == 0);
- return (p_nd);
+ 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);
+ _GLIBCXX_DEBUG_ASSERT(p_nd->m_type == i_node);
+ inode_pointer p_ind = static_cast<inode_pointer>(p_nd);
- const size_type lhs_num_children =
- std::distance(p_internal_nd->begin(), child_it) + 1;
+ node_pointer pfirst = p_ind->get_child_node(b_it, e_it, this);
+ node_pointer p_child_ret = rec_split(pfirst, b_it, e_it, other, r_bag);
+ PB_DS_ASSERT_NODE_VALID(p_child_ret)
+ p_ind->replace_child(p_child_ret, b_it, e_it, this);
+ apply_update(p_ind, (node_update*)this);
+ inode_iterator child_it = p_ind->get_child_it(b_it, e_it, this);
+ const size_type lhs_dist = std::distance(p_ind->begin(), child_it);
+ const size_type lhs_num_children = lhs_dist + 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;
-
+ const size_type rhs_dist = std::distance(p_ind->begin(), p_ind->end());
+ size_type rhs_num_children = rhs_dist - lhs_num_children;
if (rhs_num_children == 0)
{
- apply_update(p_internal_nd, (node_update* )this);
- return (p_internal_nd);
+ apply_update(p_ind, (node_update*)this);
+ return p_ind;
}
- ++child_it;
- other.split_insert_branch(p_internal_nd->get_e_ind(),
- b_it, child_it, rhs_num_children, r_bag);
+ other.split_insert_branch(p_ind->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;
+ child_it = p_ind->get_child_it(b_it, e_it, this);
while (rhs_num_children != 0)
{
- child_it = p_internal_nd->remove_child(child_it);
+ ++child_it;
+ p_ind->remove_child(child_it);
--rhs_num_children;
}
+ apply_update(p_ind, (node_update*)this);
- 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)
+ const size_type int_dist = std::distance(p_ind->begin(), p_ind->end());
+ _GLIBCXX_DEBUG_ASSERT(int_dist >= 1);
+ if (int_dist > 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);
+ p_ind->update_prefixes(this);
+ PB_DS_ASSERT_NODE_VALID(p_ind)
+ apply_update(p_ind, (node_update*)this);
+ return p_ind;
}
- 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);
+ node_pointer p_ret = *p_ind->begin();
+ p_ind->~inode();
+ s_inode_allocator.deallocate(p_ind, 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)
+split_insert_branch(size_type e_ind, a_const_iterator b_it,
+ inode_iterator child_b_it,
+ size_type num_children, branch_bag& r_bag)
{
#ifdef _GLIBCXX_DEBUG
if (m_p_head->m_p_parent != 0)
- m_p_head->m_p_parent->assert_valid(this);
-#endif
-
- const size_type total_num_children =((m_p_head->m_p_parent == 0)? 0 : 1) + num_children;
+ PB_DS_ASSERT_NODE_VALID(m_p_head->m_p_parent)
+#endif
+ const size_type start = m_p_head->m_p_parent == 0 ? 0 : 1;
+ const size_type total_num_children = start + num_children;
if (total_num_children == 0)
{
_GLIBCXX_DEBUG_ASSERT(m_p_head->m_p_parent == 0);
if (total_num_children == 1)
{
if (m_p_head->m_p_parent != 0)
- {
- _GLIBCXX_DEBUG_ONLY(m_p_head->m_p_parent->assert_valid(this);)
- return;
- }
+ {
+ PB_DS_ASSERT_NODE_VALID(m_p_head->m_p_parent)
+ return;
+ }
_GLIBCXX_DEBUG_ASSERT(m_p_head->m_p_parent == 0);
- m_p_head->m_p_parent =* child_b_it;
+ ++child_b_it;
+ 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);)
+ apply_update(m_p_head->m_p_parent, (node_update*)this);
+ PB_DS_ASSERT_NODE_VALID(m_p_head->m_p_parent)
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);
+ inode_pointer p_new_root = r_bag.get_branch();
+ new (p_new_root) inode(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;
+ PB_DS_ASSERT_NODE_VALID((*child_b_it))
+ p_new_root->add_child(*child_b_it, pref_begin(*child_b_it),
+ pref_end(*child_b_it), this);
}
if (m_p_head->m_p_parent != 0)
- p_new_root->add_child(m_p_head->m_p_parent,
+ 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);)
+ apply_update(m_p_head->m_p_parent, (node_update*)this);
+ PB_DS_ASSERT_NODE_VALID(m_p_head->m_p_parent)
}
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