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------------------------------------------------------------------------------

--                                                                          --

--                         GNAT RUN-TIME COMPONENTS                         --

--                                                                          --

--               A D A . T E X T _ I O . I N T E G E R _ I O                --

--                                                                          --

--                                 B o d y                                  --

--                                                                          --

--          Copyright (C) 1992-2005, 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 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,  51  Franklin  Street,  Fifth  Floor, --

-- Boston, MA 02110-1301, USA.                                              --

--                                                                          --

-- As a special exception,  if other files  instantiate  generics from this --

-- 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.                                      --

--                                                                          --

-- GNAT was originally developed  by the GNAT team at  New York University. --

-- Extensive contributions were provided by Ada Core Technologies Inc.      --

--                                                                          --

------------------------------------------------------------------------------

with Ada.Text_IO.Integer_Aux;

package body Ada.Text_IO.Integer_IO is

   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

   --  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.

   ---------

   -- Get --

   ---------

   procedure Get

     (File  : in File_Type;

      Item  : out Num;

      Width : in Field := 0)

   is

      --  We depend on a range check to get Data_Error

      pragma Unsuppress (Range_Check);

      pragma Unsuppress (Overflow_Check);

   begin

      if Need_LLI then

         Aux.Get_LLI (File, Long_Long_Integer (Item), Width);

      else

         Aux.Get_Int (File, Integer (Item), Width);

      end if;

   exception

      when Constraint_Error => raise Data_Error;

   end Get;

   procedure Get

     (Item  : out Num;

      Width : in Field := 0)

   is

      --  We depend on a range check to get Data_Error

      pragma Unsuppress (Range_Check);

      pragma Unsuppress (Overflow_Check);

   begin

      if Need_LLI then

         Aux.Get_LLI (Current_In, Long_Long_Integer (Item), Width);

      else

         Aux.Get_Int (Current_In, Integer (Item), Width);

      end if;

   exception

      when Constraint_Error => raise Data_Error;

   end Get;

   procedure Get

     (From : in String;

      Item : out Num;

      Last : out Positive)

   is

      --  We depend on a range check to get Data_Error

      pragma Unsuppress (Range_Check);

      pragma Unsuppress (Overflow_Check);

   begin

      if Need_LLI then

         Aux.Gets_LLI (From, Long_Long_Integer (Item), Last);

      else

         Aux.Gets_Int (From, Integer (Item), Last);

      end if;

   exception

      when Constraint_Error => raise Data_Error;

   end Get;

   ---------

   -- Put --

   ---------

   procedure Put

     (File  : in File_Type;

      Item  : in Num;

      Width : in Field := Default_Width;

      Base  : in Number_Base := Default_Base)

   is

   begin

      if Need_LLI then

         Aux.Put_LLI (File, Long_Long_Integer (Item), Width, Base);

      else

         Aux.Put_Int (File, Integer (Item), Width, Base);

      end if;

   end Put;

   procedure Put

     (Item  : in Num;

      Width : in Field := Default_Width;

      Base  : in Number_Base := Default_Base)

   is

   begin

      if Need_LLI then

         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;

   procedure Put

     (To   : out String;

      Item : in Num;

      Base : in Number_Base := Default_Base)

   is

   begin

      if Need_LLI then

         Aux.Puts_LLI (To, Long_Long_Integer (Item), Base);

      else

         Aux.Puts_Int (To, Integer (Item), Base);

      end if;

   end Put;

end Ada.Text_IO.Integer_IO;