Generic package: Ada.Sequential_IO

Dependencies

with Ada.IO_Exceptions;
with System.Sequential_IO;

Description

GNAT RUNTIME COMPONENTS

A D A . S E Q U E N T I A L _ I O

S p e c

$Revision: 1.10 $

Copyright (C) 1992-1997 Free Software Foundation, Inc.

This specification is derived from the Ada Reference Manual for use with GNAT. The copyright notice above, and the license provisions that follow apply solely to the contents of the part following the private keyword.

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 Soft- ware Foundation; either version 2, or (at your option) any later ver- sion. GNAT is distributed in the hope that it will be useful, but WITH- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 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.

As a special exception, if other files instantiate generics from this unit, or you link this unit with other files to produce an executable, this unit does not by itself cause the resulting executable to be covered by the GNU General Public License. This exception does not however invalidate any other reasons why the executable file might be covered by the GNU Public License.

GNAT was originally developed by the GNAT team at New York University. It is now maintained by Ada Core Technologies Inc (http://www.gnat.com).

Header

generic
   type Element_Type (<>) is private;

package Ada.Sequential_IO is

Known child units

Ada.Sequential_IO.C_Streams(generic package)

Exceptions

Data_Error renames IO_Exceptions.Data_Error
Device_Error renames IO_Exceptions.Device_Error
End_Error renames IO_Exceptions.End_Error
Mode_Error renames IO_Exceptions.Mode_Error
Name_Error renames IO_Exceptions.Name_Error
Status_Error renames IO_Exceptions.Status_Error
Use_Error renames IO_Exceptions.Use_Error

Type Summary

File_Mode
File_Type (limited type)
Primitive Operations:  Close, Create, Delete, End_Of_File, Form, Is_Open, Mode, Name, Open, Read, Reset, Reset, Write

Other Items:

type File_Type is limited private;
type File_Mode is (In_File, Out_File, Append_File);
for File_Mode use
  (In_File     => 0,  -- System.FIle_IO.File_Mode'Pos (In_File)
   Out_File    => 2,  -- System.File_IO.File_Mode'Pos (Out_File)
   Append_File => 3);
The following representation clause allows the use of unchecked conversion for rapid translation between the File_Mode type used in this package and System.File_IO. System.File_IO.File_Mode'Pos (Append_File) 
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 
private

   --  Implementation-defined ...

end Ada.Sequential_IO;
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