Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / include / ext / pb_ds / detail / bin_search_tree_ / erase_fn_imps.hpp

diff --git a/libstdc++-v3/include/ext/pb_ds/detail/bin_search_tree_/erase_fn_imps.hpp b/libstdc++-v3/include/ext/pb_ds/detail/bin_search_tree_/erase_fn_imps.hpp
new file mode 100644 (file)
index 0000000..a000c74
--- /dev/null
+++ b/libstdc++-v3/include/ext/pb_ds/detail/bin_search_tree_/erase_fn_imps.hpp
@@ -0,0 +1,120 @@
+// -*- 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 erase_fn_imps.hpp
+ * Contains an implementation class for bin_search_tree_.
+ */
+
+PB_DS_CLASS_T_DEC
+inline void
+PB_DS_CLASS_C_DEC::
+actual_erase_node(node_pointer p_z)
+{
+  _GLIBCXX_DEBUG_ASSERT(m_size > 0);
+  --m_size;
+
+  _GLIBCXX_DEBUG_ONLY(erase_existing(PB_DS_V2F(p_z->m_value)));
+
+  p_z->~node();
+
+  s_node_allocator.deallocate(p_z, 1);
+}
+
+PB_DS_CLASS_T_DEC
+inline void
+PB_DS_CLASS_C_DEC::
+update_min_max_for_erased_node(node_pointer p_z)
+{
+  if (m_size == 1)
+    {
+      m_p_head->m_p_left = m_p_head->m_p_right = m_p_head;
+
+      return;
+    }
+
+  if (m_p_head->m_p_left == p_z)
+    {
+      iterator it(p_z);
+
+      ++it;
+
+      m_p_head->m_p_left = it.m_p_nd;
+    }
+  else if (m_p_head->m_p_right == p_z)
+    {
+      iterator it(p_z);
+
+      --it;
+
+      m_p_head->m_p_right = it.m_p_nd;
+    }
+}
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+clear()
+{
+  _GLIBCXX_DEBUG_ONLY(structure_only_assert_valid();)
+
+    clear_imp(m_p_head->m_p_parent);
+
+  m_size = 0;
+
+  initialize();
+
+  _GLIBCXX_DEBUG_ONLY(debug_base::clear();)
+
+    _GLIBCXX_DEBUG_ONLY(structure_only_assert_valid();)
+    }
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+clear_imp(node_pointer p_nd)
+{
+  if (p_nd == NULL)
+    return;
+
+  clear_imp(p_nd->m_p_left);
+
+  clear_imp(p_nd->m_p_right);
+
+  p_nd->~node();
+
+  s_node_allocator.deallocate(p_nd, 1);
+}
+