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------------------------------------------------------------------------------
--                                                                          --
--                           OCARINA COMPONENTS                             --
--                                                                          --
--            O C A R I N A . B A C K E N D S . M E S S A G E S             --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
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--    Copyright (C) 2005-2009 Telecom ParisTech, 2010-2016 ESA & ISAE.      --
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--                                                                          --
-- Ocarina  is free software; you can redistribute it and/or modify under   --
-- terms of the  GNU General Public License as published  by the Free Soft- --
-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
-- sion. Ocarina 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.                     --
--                                                                          --
-- As a special exception 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/>.                                          --
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--                                                                          --
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--                 Ocarina is maintained by the TASTE project               --
--                      (taste-users@lists.tuxfamily.org)                   --
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--                                                                          --
------------------------------------------------------------------------------

with GNAT.OS_Lib;     use GNAT.OS_Lib;
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with Ocarina.Output;  use Ocarina.Output;
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with Ocarina.Options; use Ocarina.Options;

package body Ocarina.Backends.Messages is

   procedure Display_Error_Message
     (Message : String;
      Fatal   : Boolean;
      Warning : Boolean);

   ---------------------------
   -- Display_Error_Message --
   ---------------------------

   procedure Display_Error_Message
     (Message : String;
      Fatal   : Boolean;
      Warning : Boolean)
   is
      Current_FD : constant File_Descriptor := Current_Output;
   begin
      Set_Standard_Error;

      Write_Str ("Backends:");

      if Fatal then
         Write_Str (" fatal");
      end if;

      if Warning then
         Write_Str (" warning : ");
      else
         Write_Str (" error : ");
      end if;

      Write_Line (Message);
      Set_Output (Current_FD);
   end Display_Error_Message;

   -------------------
   -- Display_Error --
   -------------------

   procedure Display_Error
     (Message : String;
      Fatal   : Boolean;
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      Warning : Boolean := False)
   is
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   begin
      Display_Error_Message (Message, Fatal, Warning);

      if Fatal then
         OS_Exit (2);
      end if;
   end Display_Error;

   ---------------------------
   -- Display_Located_Error --
   ---------------------------

   procedure Display_Located_Error
     (Loc     : Location;
      Message : String;
      Fatal   : Boolean;
      Warning : Boolean := False)
   is
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      Current_FD : constant File_Descriptor := Current_Output;
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   begin
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      Set_Standard_Error;
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      Write_Str (Image (Loc) & ' ');
      Display_Error_Message (Message, Fatal, Warning);
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      Set_Output (Current_FD);
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      if Fatal then
         OS_Exit (2);
      end if;
   end Display_Located_Error;

   ---------------------------
   -- Display_Debug_Message --
   ---------------------------

   procedure Display_Debug_Message
     (Message : String;
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      Force   : Boolean := False)
   is
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   begin
      if Debug_Mode or else Force then
         Write_Str ("Backends message: ");
         Write_Line (Message);
      end if;
   end Display_Debug_Message;

end Ocarina.Backends.Messages;