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1996-09-28
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147 lines
------------------------------------------------------------------------------
-- --
-- GNAT RUNTIME COMPONENTS --
-- --
-- A D A . T E X T _ I O . D E C I M A L _ I O --
-- --
-- B o d y --
-- --
-- $Revision: 1.2 $ --
-- --
-- Copyright (c) 1992,1993,1994, 1995 NYU, All Rights Reserved --
-- --
-- The GNAT library is free software; you can redistribute it and/or modify --
-- it under terms of the GNU Library General Public License as published by --
-- the Free Software Foundation; either version 2, or (at your option) any --
-- later version. The GNAT library is distributed in the hope that it will --
-- be useful, but WITHOUT ANY WARRANTY; without even the implied warranty --
-- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU --
-- Library General Public License for more details. You should have --
-- received a copy of the GNU Library General Public License along with --
-- the GNAT library; see the file COPYING.LIB. If not, write to the Free --
-- Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. --
-- --
------------------------------------------------------------------------------
with Ada.Text_IO.Decimal_Aux;
package body Ada.Text_IO.Decimal_IO is
package Aux renames Ada.Text_IO.Decimal_Aux;
Scale : constant Integer := Num'Scale;
---------
-- Get --
---------
procedure Get
(File : in File_Type;
Item : out Num;
Width : in Field := 0)
is
begin
if Num'Size > Integer'Size then
Item := Num (Aux.Get_LLD (File, Width, Scale));
-- Item := Num'Fixed_Value (Aux.Get_LLD (File, Width, Scale));
-- above is what we should write, but gets assert error ???
else
Item := Num (Aux.Get_Dec (File, Width, Scale));
-- Item := Num'Fixed_Value (Aux.Get_Dec (File, Width, Scale));
-- above is what we should write, but gets assert error ???
end if;
exception
when Constraint_Error => raise Data_Error;
end Get;
procedure Get
(Item : out Num;
Width : in Field := 0)
is
begin
Get (Current_In, Item, Width);
end Get;
procedure Get
(From : in String;
Item : out Num;
Last : out Positive)
is
begin
if Num'Size > Integer'Size then
-- Item := Num'Fixed_Value
-- should write above, but gets assert error ???
Item := Num
(Aux.Gets_LLD (From, Last'Unrestricted_Access, Scale));
else
-- Item := Num'Fixed_Value
-- should write above, but gets assert error ???
Item := Num
(Aux.Gets_Dec (From, Last'Unrestricted_Access, Scale));
end if;
exception
when Constraint_Error => raise Data_Error;
end Get;
---------
-- Put --
---------
procedure Put
(File : in File_Type;
Item : in Num;
Fore : in Field := Default_Fore;
Aft : in Field := Default_Aft;
Exp : in Field := Default_Exp)
is
begin
if Num'Size > Integer'Size then
Aux.Put_LLD
-- (File, Long_Long_Integer'Integer_Value (Item),
-- ???
(File, Long_Long_Integer (Item),
Fore, Aft, Exp, Scale);
else
Aux.Put_Dec
-- (File, Integer'Integer_Value (Item), Fore, Aft, Exp, Scale);
-- ???
(File, Integer (Item), Fore, Aft, Exp, Scale);
end if;
end Put;
procedure Put
(Item : in Num;
Fore : in Field := Default_Fore;
Aft : in Field := Default_Aft;
Exp : in Field := Default_Exp)
is
begin
Put (Current_Out, Item, Aft, Exp);
end Put;
procedure Put
(To : out String;
Item : in Num;
Aft : in Field := Default_Aft;
Exp : in Field := Default_Exp)
is
begin
if Num'Size > Integer'Size then
-- Aux.Puts_LLD
-- (To, Long_Long_Integer'Integer_Value (Item), Aft, Exp, Scale);
-- ???
Aux.Puts_LLD
(To, Long_Long_Integer (Item), Aft, Exp, Scale);
else
-- Aux.Puts_Dec (To, Integer'Integer_Value (Item), Aft, Exp, Scale);
-- ???
Aux.Puts_Dec (To, Integer (Item), Aft, Exp, Scale);
end if;
end Put;
end Ada.Text_IO.Decimal_IO;