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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) 1992-2009, 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.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

   --  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);

      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 : 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 : 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  : File_Type;

      Item  : Num;

      Width : Field := Default_Width;

      Base  : 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  : Num;

      Width : Field := Default_Width;

      Base  : 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 : Num;

      Base : 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;