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jeremybenn |
------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- A D A . T E X T _ I O . I N T E G E R _ I O --
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-- --
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-- B o d y --
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-- --
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-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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with Ada.Text_IO.Integer_Aux;
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package body Ada.Text_IO.Integer_IO is
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package Aux renames Ada.Text_IO.Integer_Aux;
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Need_LLI : constant Boolean := Num'Base'Size > Integer'Size;
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-- Throughout this generic body, we distinguish between the case where type
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-- Integer is acceptable, and where a Long_Long_Integer is needed. This
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-- Boolean is used to test for these cases and since it is a constant, only
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-- code for the relevant case will be included in the instance.
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---------
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-- Get --
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---------
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procedure Get
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(File : File_Type;
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Item : out Num;
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Width : Field := 0)
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is
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-- We depend on a range check to get Data_Error
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pragma Unsuppress (Range_Check);
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pragma Unsuppress (Overflow_Check);
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begin
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if Need_LLI then
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Aux.Get_LLI (File, Long_Long_Integer (Item), Width);
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else
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Aux.Get_Int (File, Integer (Item), Width);
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end if;
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exception
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when Constraint_Error => raise Data_Error;
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end Get;
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procedure Get
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(Item : out Num;
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Width : Field := 0)
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is
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-- We depend on a range check to get Data_Error
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pragma Unsuppress (Range_Check);
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pragma Unsuppress (Overflow_Check);
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begin
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if Need_LLI then
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Aux.Get_LLI (Current_In, Long_Long_Integer (Item), Width);
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else
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Aux.Get_Int (Current_In, Integer (Item), Width);
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end if;
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exception
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when Constraint_Error => raise Data_Error;
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end Get;
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procedure Get
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(From : String;
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Item : out Num;
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Last : out Positive)
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is
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-- We depend on a range check to get Data_Error
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pragma Unsuppress (Range_Check);
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pragma Unsuppress (Overflow_Check);
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begin
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if Need_LLI then
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Aux.Gets_LLI (From, Long_Long_Integer (Item), Last);
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else
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Aux.Gets_Int (From, Integer (Item), Last);
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end if;
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exception
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when Constraint_Error => raise Data_Error;
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end Get;
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---------
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-- Put --
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---------
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procedure Put
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(File : File_Type;
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Item : Num;
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Width : Field := Default_Width;
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Base : Number_Base := Default_Base)
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is
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begin
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if Need_LLI then
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Aux.Put_LLI (File, Long_Long_Integer (Item), Width, Base);
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else
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Aux.Put_Int (File, Integer (Item), Width, Base);
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end if;
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end Put;
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procedure Put
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(Item : Num;
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Width : Field := Default_Width;
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Base : Number_Base := Default_Base)
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is
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begin
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if Need_LLI then
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Aux.Put_LLI (Current_Out, Long_Long_Integer (Item), Width, Base);
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else
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Aux.Put_Int (Current_Out, Integer (Item), Width, Base);
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end if;
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end Put;
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procedure Put
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(To : out String;
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Item : Num;
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Base : Number_Base := Default_Base)
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is
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begin
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if Need_LLI then
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Aux.Puts_LLI (To, Long_Long_Integer (Item), Base);
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else
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Aux.Puts_Int (To, Integer (Item), Base);
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end if;
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end Put;
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end Ada.Text_IO.Integer_IO;
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