File : a-tiinio.adb
------------------------------------------------------------------------------
-- --
-- GNAT RUNTIME COMPONENTS --
-- --
5 -- A D A . T E X T _ I O . I N T E G E R _ I O --
-- --
-- B o d y --
-- --
-- $Revision: 1.7 $
10 -- --
-- Copyright (C) 1992-1999 Free Software Foundation, Inc. --
-- --
-- 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- --
15 -- 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 --
20 -- 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 --
25 -- 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. --
30 -- --
-- 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). --
-- --
------------------------------------------------------------------------------
35
with Ada.Text_IO.Integer_Aux;
package body Ada.Text_IO.Integer_IO is
40 package Aux renames Ada.Text_IO.Integer_Aux;
Need_LLI : constant Boolean := Num'Base'Size > Integer'Size;
-- Throughout this generic body, we distinguish between the case
-- where type Integer is acceptable, and where a Long_Long_Integer
45 -- is needed. This constant Boolean is used to test for these cases
-- and since it is a constant, only the code for the relevant case
-- will be included in the instance.
---------
50 -- Get --
---------
procedure Get
(File : in File_Type;
55 Item : out Num;
Width : in Field := 0)
is
-- We depend on a range check to get Data_Error
60 pragma Unsuppress (Range_Check);
pragma Unsuppress (Overflow_Check);
begin
if Need_LLI then
65 Aux.Get_LLI (File, Long_Long_Integer (Item), Width);
else
Aux.Get_Int (File, Integer (Item), Width);
end if;
70 exception
when Constraint_Error => raise Data_Error;
end Get;
procedure Get
75 (Item : out Num;
Width : in Field := 0)
is
-- We depend on a range check to get Data_Error
80 pragma Unsuppress (Range_Check);
pragma Unsuppress (Overflow_Check);
begin
if Need_LLI then
85 Aux.Get_LLI (Current_In, Long_Long_Integer (Item), Width);
else
Aux.Get_Int (Current_In, Integer (Item), Width);
end if;
90 exception
when Constraint_Error => raise Data_Error;
end Get;
procedure Get
95 (From : in String;
Item : out Num;
Last : out Positive)
is
-- We depend on a range check to get Data_Error
100
pragma Unsuppress (Range_Check);
pragma Unsuppress (Overflow_Check);
begin
105 if Need_LLI then
Aux.Gets_LLI (From, Long_Long_Integer (Item), Last);
else
Aux.Gets_Int (From, Integer (Item), Last);
end if;
110
exception
when Constraint_Error => raise Data_Error;
end Get;
115 ---------
-- Put --
---------
procedure Put
120 (File : in File_Type;
Item : in Num;
Width : in Field := Default_Width;
Base : in Number_Base := Default_Base)
is
125 begin
if Need_LLI then
Aux.Put_LLI (File, Long_Long_Integer (Item), Width, Base);
else
Aux.Put_Int (File, Integer (Item), Width, Base);
130 end if;
end Put;
procedure Put
(Item : in Num;
135 Width : in Field := Default_Width;
Base : in Number_Base := Default_Base)
is
begin
if Need_LLI then
140 Aux.Put_LLI (Current_Out, Long_Long_Integer (Item), Width, Base);
else
Aux.Put_Int (Current_Out, Integer (Item), Width, Base);
end if;
end Put;
145
procedure Put
(To : out String;
Item : in Num;
Base : in Number_Base := Default_Base)
150 is
begin
if Need_LLI then
Aux.Puts_LLI (To, Long_Long_Integer (Item), Base);
else
155 Aux.Puts_Int (To, Integer (Item), Base);
end if;
end Put;
end Ada.Text_IO.Integer_IO;