exception.hpp

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00001 // -*- C++ -*-
00002 
00003 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
00004 //
00005 // This file is part of the GNU ISO C++ Library.  This library is free
00006 // software; you can redistribute it and/or modify it under the terms
00007 // of the GNU General Public License as published by the Free Software
00008 // Foundation; either version 3, or (at your option) any later
00009 // version.
00010 
00011 // This library is distributed in the hope that it will be useful, but
00012 // WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014 // General Public License for more details.
00015 
00016 // Under Section 7 of GPL version 3, you are granted additional
00017 // permissions described in the GCC Runtime Library Exception, version
00018 // 3.1, as published by the Free Software Foundation.
00019 
00020 // You should have received a copy of the GNU General Public License and
00021 // a copy of the GCC Runtime Library Exception along with this program;
00022 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
00023 // <http://www.gnu.org/licenses/>.
00024 
00025 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
00026 
00027 // Permission to use, copy, modify, sell, and distribute this software
00028 // is hereby granted without fee, provided that the above copyright
00029 // notice appears in all copies, and that both that copyright notice
00030 // and this permission notice appear in supporting documentation. None
00031 // of the above authors, nor IBM Haifa Research Laboratories, make any
00032 // representation about the suitability of this software for any
00033 // purpose. It is provided "as is" without express or implied
00034 // warranty.
00035 
00036 /**
00037  * @file exception.hpp
00038  * Contains exception classes.
00039  */
00040 
00041 #ifndef PB_DS_EXCEPTION_HPP
00042 #define PB_DS_EXCEPTION_HPP
00043 
00044 #include <stdexcept>
00045 #include <cstdlib>
00046 
00047 namespace __gnu_pbds
00048 {
00049   // Base class for exceptions.
00050   struct container_error : public std::logic_error
00051   {
00052     container_error() 
00053     : std::logic_error(__N("__gnu_pbds::container_error")) { }
00054   };
00055 
00056   // An entry cannot be inserted into a container object for logical
00057   // reasons (not, e.g., if memory is unabvailable, in which case
00058   // the allocator_type's exception will be thrown).
00059   struct insert_error : public container_error { };
00060 
00061   // A join cannot be performed logical reasons (i.e., the ranges of
00062   // the two container objects being joined overlaps.
00063   struct join_error : public container_error { };
00064 
00065   // A container cannot be resized.
00066   struct resize_error : public container_error { };
00067 
00068 #if __EXCEPTIONS
00069   inline void
00070   __throw_container_error(void)
00071   { throw container_error(); }
00072 
00073   inline void
00074   __throw_insert_error(void)
00075   { throw insert_error(); }
00076 
00077   inline void
00078   __throw_join_error(void)
00079   { throw join_error(); }
00080 
00081   inline void
00082   __throw_resize_error(void)
00083   { throw resize_error(); }
00084 #else
00085   inline void
00086   __throw_container_error(void)
00087   { std::abort(); }
00088 
00089   inline void
00090   __throw_insert_error(void)
00091   { std::abort(); }
00092 
00093   inline void
00094   __throw_join_error(void)
00095   { std::abort(); }
00096 
00097   inline void
00098   __throw_resize_error(void)
00099   { std::abort(); }
00100 #endif
00101 } // namespace __gnu_pbds
00102 
00103 #endif

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