SALOME documentation central

src/Utils/Utils_ExceptHandlers.hxx

00001 //  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
00002 //
00003 //  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
00004 //  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
00005 //
00006 //  This library is free software; you can redistribute it and/or
00007 //  modify it under the terms of the GNU Lesser General Public
00008 //  License as published by the Free Software Foundation; either
00009 //  version 2.1 of the License.
00010 //
00011 //  This library is distributed in the hope that it will be useful,
00012 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014 //  Lesser General Public License for more details.
00015 //
00016 //  You should have received a copy of the GNU Lesser General Public
00017 //  License along with this library; if not, write to the Free Software
00018 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
00019 //
00020 //  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
00021 //
00022 //  KERNEL Utils : common utils for KERNEL
00023 //  File   : Utils_ExceptHandlers.hxx
00024 //  Author : Oksana Tchebanova
00025 //  Module : KERNEL
00026 //  $Header:
00027 //
00028 #ifndef Utils_ExceptHandlers_HeaderFile
00029 #define Utils_ExceptHandlers_HeaderFile
00030 
00031 #include "SALOME_Utils.hxx"
00032 
00033 #include <stdexcept>
00034 
00035 typedef void (*PVF)();
00036 
00037 class UTILS_EXPORT Unexpect { //save / retrieve unexpected exceptions treatment
00038   PVF old;
00039   public :
00040 #ifndef WIN32
00041     Unexpect( PVF f ) 
00042       { old = std::set_unexpected(f); }
00043   ~Unexpect() { std::set_unexpected(old); }
00044 #else
00045     Unexpect( PVF f ) 
00046       { old = ::set_unexpected(f); }
00047   ~Unexpect() { ::set_unexpected(old); }
00048 #endif
00049 };
00050 
00051 class UTILS_EXPORT Terminate {//save / retrieve terminate function
00052   
00053   PVF old;
00054   public :
00055 #ifndef WIN32
00056     Terminate( PVF f ) 
00057       { old = std::set_terminate(f); }
00058   ~Terminate() { std::set_terminate(old); }
00059 #else
00060     Terminate( PVF f ) 
00061       { old = ::set_terminate(f); }
00062   ~Terminate() { ::set_terminate(old); }
00063 #endif
00064 };
00065 
00066 #define UNEXPECT_CATCH(FuncName, ExceptionConstructor) \
00067 inline void FuncName () {\
00068    throw ExceptionConstructor (); \
00069 }
00070 //Example of the usage 
00071 
00072 // void DTC_NotFound () {
00073 //   throw (SALOME_DataTypeCatalog::NotFound());
00074 // }
00075 // or the same :
00076 //
00077 // UNEXPECT_CATCH( DTC_NotFound , SALOME_DataTypeCatalog::NotFound)
00078 // in the function body :
00079 // ....
00080 // Unexpect aCatch(DTC_NotFound) // redefinition of the unexpect exceptions handler
00081 // ....
00082 
00083 
00084 //Definitions :
00085 UTILS_EXPORT extern void SalomeException();
00086 UTILS_EXPORT extern void SALOME_SalomeException();
00087 
00088 #endif