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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- A D A . W I D E _ T E X T _ I O . M O D U L A R _ I O --
-- --
-- B o d y --
-- --
-- Copyright (C) 1992-2022, 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- --
-- 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. --
-- --
------------------------------------------------------------------------------
with Ada.Wide_Text_IO.Integer_Aux;
with System.Img_BIU; use System.Img_BIU;
with System.Img_Uns; use System.Img_Uns;
with System.Img_LLB; use System.Img_LLB;
with System.Img_LLU; use System.Img_LLU;
with System.Img_LLW; use System.Img_LLW;
with System.Img_WIU; use System.Img_WIU;
with System.Val_Uns; use System.Val_Uns;
with System.Val_LLU; use System.Val_LLU;
with System.WCh_Con; use System.WCh_Con;
with System.WCh_WtS; use System.WCh_WtS;
package body Ada.Wide_Text_IO.Modular_IO is
package Aux_Uns is new
Ada.Wide_Text_IO.Integer_Aux
(Unsigned,
Scan_Unsigned,
Set_Image_Unsigned,
Set_Image_Width_Unsigned,
Set_Image_Based_Unsigned);
package Aux_LLU is new
Ada.Wide_Text_IO.Integer_Aux
(Long_Long_Unsigned,
Scan_Long_Long_Unsigned,
Set_Image_Long_Long_Unsigned,
Set_Image_Width_Long_Long_Unsigned,
Set_Image_Based_Long_Long_Unsigned);
Need_LLU : constant Boolean := Num'Base'Size > Unsigned'Size;
-- Throughout this generic body, we distinguish between the case where type
-- Unsigned is acceptable, and where a Long_Long_Unsigned is needed. This
-- Boolean is used to test for these cases and since it is a constant, only
-- code for the relevant case will be included in the instance.
---------
-- Get --
---------
procedure Get
(File : File_Type;
Item : out Num;
Width : Field := 0)
is
-- We depend on a range check to get Data_Error
pragma Unsuppress (Range_Check);
begin
if Need_LLU then
Aux_LLU.Get (File, Long_Long_Unsigned (Item), Width);
else
Aux_Uns.Get (File, Unsigned (Item), Width);
end if;
exception
when Constraint_Error => raise Data_Error;
end Get;
procedure Get
(Item : out Num;
Width : Field := 0)
is
begin
Get (Current_In, Item, Width);
end Get;
procedure Get
(From : Wide_String;
Item : out Num;
Last : out Positive)
is
-- We depend on a range check to get Data_Error
pragma Unsuppress (Range_Check);
S : constant String := Wide_String_To_String (From, WCEM_Upper);
-- String on which we do the actual conversion. Note that the method
-- used for wide character encoding is irrelevant, since if there is
-- a character outside the Standard.Character range then the call to
-- Aux.Gets will raise Data_Error in any case.
begin
if Need_LLU then
Aux_LLU.Gets (S, Long_Long_Unsigned (Item), Last);
else
Aux_Uns.Gets (S, Unsigned (Item), Last);
end if;
exception
when Constraint_Error => raise Data_Error;
end Get;
---------
-- Put --
---------
procedure Put
(File : File_Type;
Item : Num;
Width : Field := Default_Width;
Base : Number_Base := Default_Base)
is
begin
if Need_LLU then
Aux_LLU.Put (File, Long_Long_Unsigned (Item), Width, Base);
else
Aux_Uns.Put (File, Unsigned (Item), Width, Base);
end if;
end Put;
procedure Put
(Item : Num;
Width : Field := Default_Width;
Base : Number_Base := Default_Base)
is
begin
Put (Current_Out, Item, Width, Base);
end Put;
procedure Put
(To : out Wide_String;
Item : Num;
Base : Number_Base := Default_Base)
is
S : String (To'First .. To'Last);
begin
if Need_LLU then
Aux_LLU.Puts (S, Long_Long_Unsigned (Item), Base);
else
Aux_Uns.Puts (S, Unsigned (Item), Base);
end if;
for J in S'Range loop
To (J) := Wide_Character'Val (Character'Pos (S (J)));
end loop;
end Put;
end Ada.Wide_Text_IO.Modular_IO;
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