70 lines
3.5 KiB
Ada
70 lines
3.5 KiB
Ada
------------------------------------------------------------------------------
|
|
-- --
|
|
-- GNAT RUN-TIME COMPONENTS --
|
|
-- --
|
|
-- A D A . S T R E A M S --
|
|
-- --
|
|
-- S p e c --
|
|
-- --
|
|
-- Copyright (C) 1992-2009, 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 3, 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. --
|
|
-- --
|
|
-- 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/>. --
|
|
-- --
|
|
-- GNAT was originally developed by the GNAT team at New York University. --
|
|
-- Extensive contributions were provided by Ada Core Technologies Inc. --
|
|
-- --
|
|
------------------------------------------------------------------------------
|
|
|
|
package Ada.Streams is
|
|
pragma Pure;
|
|
|
|
type Root_Stream_Type is abstract tagged limited private;
|
|
pragma Preelaborable_Initialization (Root_Stream_Type);
|
|
|
|
type Stream_Element is mod 2 ** Standard'Storage_Unit;
|
|
|
|
type Stream_Element_Offset is range
|
|
-(2 ** (Standard'Address_Size - 1)) ..
|
|
+(2 ** (Standard'Address_Size - 1)) - 1;
|
|
|
|
subtype Stream_Element_Count is
|
|
Stream_Element_Offset range 0 .. Stream_Element_Offset'Last;
|
|
|
|
type Stream_Element_Array is
|
|
array (Stream_Element_Offset range <>) of aliased Stream_Element;
|
|
|
|
procedure Read
|
|
(Stream : in out Root_Stream_Type;
|
|
Item : out Stream_Element_Array;
|
|
Last : out Stream_Element_Offset)
|
|
is abstract;
|
|
|
|
procedure Write
|
|
(Stream : in out Root_Stream_Type;
|
|
Item : Stream_Element_Array)
|
|
is abstract;
|
|
|
|
private
|
|
|
|
type Root_Stream_Type is abstract tagged limited null record;
|
|
|
|
end Ada.Streams;
|