| ------------------------------------------------------------------------------ |
| -- -- |
| -- 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). -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| |
| with Ada.IO_Exceptions; |
| with System.Sequential_IO; |
| |
| 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); |
| |
| -- 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. |
| |
| 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); -- System.File_IO.File_Mode'Pos (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 |
| type File_Type is new System.Sequential_IO.File_Type; |
| |
| -- All subprograms are inlined |
| |
| pragma Inline (Close); |
| pragma Inline (Create); |
| pragma Inline (Delete); |
| pragma Inline (End_Of_File); |
| pragma Inline (Form); |
| pragma Inline (Is_Open); |
| pragma Inline (Mode); |
| pragma Inline (Name); |
| pragma Inline (Open); |
| pragma Inline (Read); |
| pragma Inline (Reset); |
| pragma Inline (Write); |
| |
| end Ada.Sequential_IO; |
