Imported gcc-4.4.3

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

diff --git a/libstdc++-v3/include/ext/pb_ds/detail/ov_tree_map_/cond_dtor.hpp b/libstdc++-v3/include/ext/pb_ds/detail/ov_tree_map_/cond_dtor.hpp
new file mode 100644 (file)
index 0000000..e2c4b9a
--- /dev/null
+++ b/libstdc++-v3/include/ext/pb_ds/detail/ov_tree_map_/cond_dtor.hpp
@@ -0,0 +1,74 @@
+// -*- 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 cond_dtor.hpp
+ * Contains a conditional destructor
+ */
+
+template<typename Size_Type>
+class cond_dtor
+{
+public:
+  cond_dtor(value_vector a_vec, iterator& r_last_it, Size_Type total_size) 
+  : m_a_vec(a_vec), m_r_last_it(r_last_it), m_max_size(total_size),
+    m_no_action(false)
+  { }
+
+  ~cond_dtor()
+  {
+    if (m_no_action)
+      return;
+    iterator it = m_a_vec;
+    while (it != m_r_last_it)
+      {
+       it->~value_type();
+       ++it;
+      }
+
+    if (m_max_size > 0)
+      value_allocator().deallocate(m_a_vec, m_max_size);
+  }
+
+  inline void
+  set_no_action()
+  { m_no_action = true; }
+
+protected:
+  value_vector m_a_vec;
+  iterator& m_r_last_it;
+  const Size_Type m_max_size;
+  bool m_no_action;
+};