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Diffstat (limited to 'gcc/ada/a-sequio.ads')
| -rw-r--r-- | gcc/ada/a-sequio.ads | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/gcc/ada/a-sequio.ads b/gcc/ada/a-sequio.ads new file mode 100644 index 00000000000..b2093c0c189 --- /dev/null +++ b/gcc/ada/a-sequio.ads @@ -0,0 +1,128 @@ +------------------------------------------------------------------------------ +-- -- +-- 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; |