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      1 // -*- C++ -*-
      2 
      3 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
      4 //
      5 // This file is part of the GNU ISO C++ Library.  This library is free
      6 // software; you can redistribute it and/or modify it under the terms
      7 // of the GNU General Public License as published by the Free Software
      8 // Foundation; either version 3, or (at your option) any later
      9 // version.
     10 
     11 // This library is distributed in the hope that it will be useful, but
     12 // WITHOUT ANY WARRANTY; without even the implied warranty of
     13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14 // General Public License for more details.
     15 
     16 // Under Section 7 of GPL version 3, you are granted additional
     17 // permissions described in the GCC Runtime Library Exception, version
     18 // 3.1, as published by the Free Software Foundation.
     19 
     20 // You should have received a copy of the GNU General Public License and
     21 // a copy of the GCC Runtime Library Exception along with this program;
     22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     23 // <http://www.gnu.org/licenses/>.
     24 
     25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
     26 
     27 // Permission to use, copy, modify, sell, and distribute this software
     28 // is hereby granted without fee, provided that the above copyright
     29 // notice appears in all copies, and that both that copyright notice
     30 // and this permission notice appear in supporting documentation. None
     31 // of the above authors, nor IBM Haifa Research Laboratories, make any
     32 // representation about the suitability of this software for any
     33 // purpose. It is provided "as is" without express or implied
     34 // warranty.
     35 
     36 /**
     37  * @file exception.hpp
     38  * Contains exception classes.
     39  */
     40 
     41 #ifndef PB_DS_EXCEPTION_HPP
     42 #define PB_DS_EXCEPTION_HPP
     43 
     44 #include <stdexcept>
     45 #include <cstdlib>
     46 
     47 namespace __gnu_pbds
     48 {
     49   // Base class for exceptions.
     50   struct container_error : public std::logic_error
     51   {
     52     container_error()
     53     : std::logic_error(__N("__gnu_pbds::container_error")) { }
     54   };
     55 
     56   // An entry cannot be inserted into a container object for logical
     57   // reasons (not, e.g., if memory is unabvailable, in which case
     58   // the allocator_type's exception will be thrown).
     59   struct insert_error : public container_error { };
     60 
     61   // A join cannot be performed logical reasons (i.e., the ranges of
     62   // the two container objects being joined overlaps.
     63   struct join_error : public container_error { };
     64 
     65   // A container cannot be resized.
     66   struct resize_error : public container_error { };
     67 
     68 #if __EXCEPTIONS
     69   inline void
     70   __throw_container_error(void)
     71   { throw container_error(); }
     72 
     73   inline void
     74   __throw_insert_error(void)
     75   { throw insert_error(); }
     76 
     77   inline void
     78   __throw_join_error(void)
     79   { throw join_error(); }
     80 
     81   inline void
     82   __throw_resize_error(void)
     83   { throw resize_error(); }
     84 #else
     85   inline void
     86   __throw_container_error(void)
     87   { std::abort(); }
     88 
     89   inline void
     90   __throw_insert_error(void)
     91   { std::abort(); }
     92 
     93   inline void
     94   __throw_join_error(void)
     95   { std::abort(); }
     96 
     97   inline void
     98   __throw_resize_error(void)
     99   { std::abort(); }
    100 #endif
    101 } // namespace __gnu_pbds
    102 
    103 #endif
    104