Imported gcc-4.4.3

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

diff --git a/libstdc++-v3/include/ext/pb_ds/detail/gp_hash_table_map_/insert_store_hash_fn_imps.hpp b/libstdc++-v3/include/ext/pb_ds/detail/gp_hash_table_map_/insert_store_hash_fn_imps.hpp
new file mode 100644 (file)
index 0000000..f4310b6
--- /dev/null
+++ b/libstdc++-v3/include/ext/pb_ds/detail/gp_hash_table_map_/insert_store_hash_fn_imps.hpp
@@ -0,0 +1,118 @@
+// -*- 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 insert_store_hash_fn_imps.hpp
+ * Contains implementations of gp_ht_map_'s find related functions,
+ * when the hash value is stored.
+ */
+
+PB_DS_CLASS_T_DEC
+inline typename PB_DS_CLASS_C_DEC::comp_hash
+PB_DS_CLASS_C_DEC::
+find_ins_pos(const_key_reference r_key, true_type)
+{
+  _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();)
+  comp_hash pos_hash_pair = ranged_probe_fn_base::operator()(r_key);
+
+  size_type i;
+
+  /* The insertion position is initted to a non-legal value to indicate
+   *     that it has not been initted yet.
+   */
+  size_type ins_pos = m_num_e;
+  resize_base::notify_insert_search_start();
+  for (i = 0; i < m_num_e; ++i)
+    {
+      const size_type pos = ranged_probe_fn_base::operator()(r_key, pos_hash_pair.second, i);
+
+      entry* const p_e = m_entries + pos;
+      switch(p_e->m_stat)
+        {
+        case empty_entry_status:
+         {
+            resize_base::notify_insert_search_end();
+            _GLIBCXX_DEBUG_ONLY(debug_base::check_key_does_not_exist(r_key);)
+
+           return ((ins_pos == m_num_e) ?
+                    std::make_pair(pos, pos_hash_pair.second) :
+                    std::make_pair(ins_pos, pos_hash_pair.second));
+         }
+         break;
+        case erased_entry_status:
+         if (ins_pos == m_num_e)
+           ins_pos = pos;
+         break;
+        case valid_entry_status:
+         if (hash_eq_fn_base::operator()(PB_DS_V2F(p_e->m_value), p_e->m_hash,
+                                         r_key, pos_hash_pair.second))
+            {
+             resize_base::notify_insert_search_end();
+             _GLIBCXX_DEBUG_ONLY(debug_base::check_key_exists(r_key);)
+              return std::make_pair(pos, pos_hash_pair.second);
+            }
+         break;
+        default:
+         _GLIBCXX_DEBUG_ASSERT(0);
+        };
+      resize_base::notify_insert_search_collision();
+    }
+  resize_base::notify_insert_search_end();
+  if (ins_pos == m_num_e)
+    __throw_insert_error();
+  return std::make_pair(ins_pos, pos_hash_pair.second);
+}
+
+PB_DS_CLASS_T_DEC
+inline std::pair<typename PB_DS_CLASS_C_DEC::point_iterator, bool>
+PB_DS_CLASS_C_DEC::
+insert_imp(const_reference r_val, true_type)
+{
+  const_key_reference r_key = PB_DS_V2F(r_val);
+  comp_hash pos_hash_pair = find_ins_pos(r_key, 
+                                        traits_base::m_store_extra_indicator);
+
+  _GLIBCXX_DEBUG_ASSERT(pos_hash_pair.first < m_num_e);
+  entry_pointer p_e =& m_entries[pos_hash_pair.first];
+  if (p_e->m_stat == valid_entry_status)
+    {
+      _GLIBCXX_DEBUG_ONLY(debug_base::check_key_exists(r_key));
+      return std::make_pair(&p_e->m_value, false);
+    }
+
+  _GLIBCXX_DEBUG_ONLY(debug_base::check_key_does_not_exist(r_key));
+  return std::make_pair(insert_new_imp(r_val, pos_hash_pair), true);
+}
+