------------------------------------------------------------------------------
--                                                                          --
--                         GNAT RUNTIME COMPONENTS                          --
--                                                                          --
--                    A D A . S E Q U E N T I A L _ I O                     --
--                                                                          --
--                                 S p e c                                  --
--                                                                          --
--                            $Revision: 1.1 $                              --
--                                                                          --
--             Copyright (c) 1992,1993, NYU, All Rights Reserved            --
--                                                                          --
-- GNAT 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.  GNAT is distributed  in the hope  that it will be useful,  but --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANT- --
-- ABILITY 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 along with GNAT;  see file COPYING. If not, write --
-- to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. --
--                                                                          --
------------------------------------------------------------------------------

pragma Ada_9X;

with Ada.IO_Exceptions;

generic
   type Element_Type (<>) is private;

package Ada.Sequential_IO is

   type File_Type is limited private;

   type File_Mode is (In_File, Out_File, Append_File);

   ---------------------
   -- File management --
   ---------------------

   procedure Create (File : in out File_Type;
                     Mode : in File_Mode := Out_File;
                     Name : in String := "";
                     Form : in String := "");

   procedure Open   (File : in out File_Type;
                     Mode : in File_Mode;
                     Name : in String;
                     Form : in String := "");

   procedure Close  (File : in out File_Type);
   procedure Delete (File : in out File_Type);
   procedure Reset  (File : in out File_Type; Mode : in File_Mode);
   procedure Reset  (File : in out File_Type);

   function Mode    (File : in File_Type) return File_Mode;
   function Name    (File : in File_Type) return String;
   function Form    (File : in File_Type) return String;

   function Is_Open (File : in File_Type) return Boolean;

   ---------------------------------
   -- Input and output operations --
   ---------------------------------

   procedure Read   (File : in File_Type; Item : out Element_Type);
   procedure Write  (File : in File_Type; Item : in Element_Type);

   function End_Of_File (File : in File_Type) return Boolean;

   ----------------
   -- Exceptions --
   ----------------

   Status_Error : exception renames IO_Exceptions.Status_Error;
   Mode_Error   : exception renames IO_Exceptions.Mode_Error;
   Name_Error   : exception renames IO_Exceptions.Name_Error;
   Use_Error    : exception renames IO_Exceptions.Use_Error;
   Device_Error : exception renames IO_Exceptions.Device_Error;
   End_Error    : exception renames IO_Exceptions.End_Error;
   Data_Error   : exception renames IO_Exceptions.Data_Error;

private
   --  Dummy definition for now (body not yet implemented)

   type File_Type is new Integer;

end Ada.Sequential_IO;
