home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Collection of Tools & Utilities
/
Collection of Tools and Utilities.iso
/
ada
/
gnat1792.zip
/
gnat179b
/
t-adainc
/
s-stoele.adb
< prev
next >
Wrap
Text File
|
1994-05-19
|
3KB
|
68 lines
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- S Y S T E M . S T O R A G E _ E L E M E N T S --
-- --
-- B o d y --
-- --
-- $Revision: 1.4 $ --
-- --
-- Copyright (c) 1992,1993,1994 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 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, 675 Mass Ave, Cambridge, MA 02139, USA. --
-- --
------------------------------------------------------------------------------
package body System.Storage_Elements is
-- Address arithmetic
function "+" (Left : Address; Right : Storage_Offset) return Address is
begin
return Left + Address (Right);
end "+";
function "+" (Left : Storage_Offset; Right : Address) return Address is
begin
return Address (Left) + Right;
end "+";
function "-" (Left : Address; Right : Storage_Offset) return Address is
begin
return Left - Address (Right);
end "-";
function "-" (Left, Right : Address) return Storage_Offset is
begin
return Storage_Offset (Left) - Storage_Offset (Right);
end "-";
function "mod" (Left : Address; Right : Storage_Offset)
return Storage_Offset is
begin
return Storage_Offset (Left) mod Right;
end "mod";
-- Conversion to/from integers
function To_Address (Value : Integer_Address) return Address is
begin
return Address (Value);
end To_Address;
function To_Integer (Value : Address) return Integer_Address is
begin
return Integer_Address (Value);
end To_Integer;
end System.Storage_Elements;