------------------------------------------------------------------------------
--                                                                          --
--                           GNATSTUB COMPONENTS                            --
--                                                                          --
--                       G N A T S T U B  . D R I V E R                     --
--                                                                          --
--                               B o d y                                    --
--                                                                          --
--                            $Revision: 1.9 $
--                                                                          --
--           Copyright (c) 1997-2000, Free Software Foundation, Inc.        --
--                                                                          --
-- Gnatstub is free software; you can redistribute it and/or modify it      --
-- under terms of the  GNU General Public License  as published by the Free --
-- Software Foundation;  either version 2,  or  (at your option)  any later --
-- version. Gnatstub is distributed  in the hope  that it will be useful,   --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MER-      --
-- CHANTABILITY or  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General  --
-- Public License for more details. You should have received a copy of the  --
-- GNU General Public License distributed with GNAT; see file COPYING. If   --
-- not, write to the Free Software Foundation, 59 Temple Place Suite 330,   --
-- Boston, MA 02111-1307, USA.                                              --
--                                                                          --
-- Gnatstub is distributed as a part of the ASIS implementation for GNAT    --
-- (ASIS-for-GNAT).                                                         --
--                                                                          --
-- Gnatstub  was  originally  developed  by  Alexei Kuchumov  as a part of  --
-- collaboration  between  Software  Engineering  Laboratory of  the Swiss  --
-- Federal  Institute  of  Technology  in  Lausanne, Switzerland, and  the  --
-- Scientific  Research  Computer  Center  of the  Moscow State University, --
-- Russia.  This  work  was  supported  by  a grant from the Swiss National --
-- Science Foundation,  no 7SUPJ048247, funding a project  "Development of  --
-- ASIS for GNAT with industry quality".                                    --
--                                                                          --
-- Gnatstub  is  now  maintained  by  Ada  Core  Technologies  Inc          --
-- (http://www.gnat.com).                                                   --
------------------------------------------------------------------------------

with Ada.Exceptions;          use Ada.Exceptions;
with Ada.Text_IO;             use Ada.Text_IO;

with Gnatstub.Sampler;        use Gnatstub.Sampler;
with Gnatstub.Options;        use Gnatstub.Options;

procedure Gnatstub.Driver is
begin
   Initialize;

   if not Initialized then
      return;
   end if;

   Create_Sample;
   Clean_Up;
exception
   when Ex : others =>
      New_Line;

      if Exception_Identity (Ex) = Program_Error'Identity and then
         Exception_Message (Ex) = "Inconsistent versions of GNAT and ASIS"
      then
         Put_Gnatstub_Version;
         New_Line;
         Put ("is inconsistent with the GNAT version");
         New_Line;
         Put ("Check your installation of GNAT, ASIS and the GNAT toolset");
         New_Line;
      else
         Put ("Unexpected bug in ");
         Put_Gnatstub_Version;
         New_Line;
         Put (Exception_Name (Ex));
         Put (" was raised: ");

         if Exception_Message (Ex)'Length = 0 then
            Put_Line ("(no exception message)");
         else
            Put_Line (Exception_Message (Ex));
         end if;

         Put_Line ("Please report to report@gnat.com");
      end if;

      Clean_Up;
end Gnatstub.Driver;