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+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME COMPONENTS --
+-- --
+-- A D A . T E X T _ I O . I N T E G E R _ A U X --
+-- --
+-- 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.Generic_Aux; use Ada.Text_IO.Generic_Aux;
+
+with System.Img_BIU; use System.Img_BIU;
+with System.Img_Int; use System.Img_Int;
+with System.Img_LLB; use System.Img_LLB;
+with System.Img_LLI; use System.Img_LLI;
+with System.Img_LLW; use System.Img_LLW;
+with System.Img_WIU; use System.Img_WIU;
+with System.Val_Int; use System.Val_Int;
+with System.Val_LLI; use System.Val_LLI;
+
+package body Ada.Text_IO.Integer_Aux is
+
+ -----------------------
+ -- Local Subprograms --
+ -----------------------
+
+ procedure Load_Integer
+ (File : File_Type;
+ Buf : out String;
+ Ptr : in out Natural);
+ -- This is an auxiliary routine that is used to load a possibly signed
+ -- integer literal value from the input file into Buf, starting at Ptr + 1.
+ -- On return, Ptr is set to the last character stored.
+
+ -------------
+ -- Get_Int --
+ -------------
+
+ procedure Get_Int
+ (File : File_Type;
+ Item : out Integer;
+ Width : Field)
+ is
+ Buf : String (1 .. Field'Last);
+ Ptr : aliased Integer := 1;
+ Stop : Integer := 0;
+
+ begin
+ if Width /= 0 then
+ Load_Width (File, Width, Buf, Stop);
+ String_Skip (Buf, Ptr);
+ else
+ Load_Integer (File, Buf, Stop);
+ end if;
+
+ Item := Scan_Integer (Buf, Ptr'Access, Stop);
+ Check_End_Of_Field (Buf, Stop, Ptr, Width);
+ end Get_Int;
+
+ -------------
+ -- Get_LLI --
+ -------------
+
+ procedure Get_LLI
+ (File : File_Type;
+ Item : out Long_Long_Integer;
+ Width : Field)
+ is
+ Buf : String (1 .. Field'Last);
+ Ptr : aliased Integer := 1;
+ Stop : Integer := 0;
+
+ begin
+ if Width /= 0 then
+ Load_Width (File, Width, Buf, Stop);
+ String_Skip (Buf, Ptr);
+ else
+ Load_Integer (File, Buf, Stop);
+ end if;
+
+ Item := Scan_Long_Long_Integer (Buf, Ptr'Access, Stop);
+ Check_End_Of_Field (Buf, Stop, Ptr, Width);
+ end Get_LLI;
+
+ --------------
+ -- Gets_Int --
+ --------------
+
+ procedure Gets_Int
+ (From : String;
+ Item : out Integer;
+ Last : out Positive)
+ is
+ Pos : aliased Integer;
+
+ begin
+ String_Skip (From, Pos);
+ Item := Scan_Integer (From, Pos'Access, From'Last);
+ Last := Pos - 1;
+
+ exception
+ when Constraint_Error =>
+ raise Data_Error;
+ end Gets_Int;
+
+ --------------
+ -- Gets_LLI --
+ --------------
+
+ procedure Gets_LLI
+ (From : String;
+ Item : out Long_Long_Integer;
+ Last : out Positive)
+ is
+ Pos : aliased Integer;
+
+ begin
+ String_Skip (From, Pos);
+ Item := Scan_Long_Long_Integer (From, Pos'Access, From'Last);
+ Last := Pos - 1;
+
+ exception
+ when Constraint_Error =>
+ raise Data_Error;
+ end Gets_LLI;
+
+ ------------------
+ -- Load_Integer --
+ ------------------
+
+ procedure Load_Integer
+ (File : File_Type;
+ Buf : out String;
+ Ptr : in out Natural)
+ is
+ Hash_Loc : Natural;
+ Loaded : Boolean;
+
+ begin
+ Load_Skip (File);
+ Load (File, Buf, Ptr, '+', '-');
+
+ Load_Digits (File, Buf, Ptr, Loaded);
+
+ if Loaded then
+
+ -- Deal with based literal (note : is ok replacement for #)
+
+ Load (File, Buf, Ptr, '#', ':', Loaded);
+
+ if Loaded then
+ Hash_Loc := Ptr;
+ Load_Extended_Digits (File, Buf, Ptr);
+ Load (File, Buf, Ptr, Buf (Hash_Loc));
+ end if;
+
+ -- Deal with exponent
+
+ Load (File, Buf, Ptr, 'E', 'e', Loaded);
+
+ if Loaded then
+
+ -- Note: it is strange to allow a minus sign, since the syntax
+ -- does not, but that is what ACVC test CE3704F, case (6) wants.
+
+ Load (File, Buf, Ptr, '+', '-');
+ Load_Digits (File, Buf, Ptr);
+ end if;
+ end if;
+ end Load_Integer;
+
+ -------------
+ -- Put_Int --
+ -------------
+
+ procedure Put_Int
+ (File : File_Type;
+ Item : Integer;
+ Width : Field;
+ Base : Number_Base)
+ is
+ Buf : String (1 .. Integer'Max (Field'Last, Width));
+ Ptr : Natural := 0;
+
+ begin
+ if Base = 10 and then Width = 0 then
+ Set_Image_Integer (Item, Buf, Ptr);
+ elsif Base = 10 then
+ Set_Image_Width_Integer (Item, Width, Buf, Ptr);
+ else
+ Set_Image_Based_Integer (Item, Base, Width, Buf, Ptr);
+ end if;
+
+ Put_Item (File, Buf (1 .. Ptr));
+ end Put_Int;
+
+ -------------
+ -- Put_LLI --
+ -------------
+
+ procedure Put_LLI
+ (File : File_Type;
+ Item : Long_Long_Integer;
+ Width : Field;
+ Base : Number_Base)
+ is
+ Buf : String (1 .. Integer'Max (Field'Last, Width));
+ Ptr : Natural := 0;
+
+ begin
+ if Base = 10 and then Width = 0 then
+ Set_Image_Long_Long_Integer (Item, Buf, Ptr);
+ elsif Base = 10 then
+ Set_Image_Width_Long_Long_Integer (Item, Width, Buf, Ptr);
+ else
+ Set_Image_Based_Long_Long_Integer (Item, Base, Width, Buf, Ptr);
+ end if;
+
+ Put_Item (File, Buf (1 .. Ptr));
+ end Put_LLI;
+
+ --------------
+ -- Puts_Int --
+ --------------
+
+ procedure Puts_Int
+ (To : out String;
+ Item : Integer;
+ Base : Number_Base)
+ is
+ Buf : String (1 .. Integer'Max (Field'Last, To'Length));
+ Ptr : Natural := 0;
+
+ begin
+ if Base = 10 then
+ Set_Image_Width_Integer (Item, To'Length, Buf, Ptr);
+ else
+ Set_Image_Based_Integer (Item, Base, To'Length, Buf, Ptr);
+ end if;
+
+ if Ptr > To'Length then
+ raise Layout_Error;
+ else
+ To (To'First .. To'First + Ptr - 1) := Buf (1 .. Ptr);
+ end if;
+ end Puts_Int;
+
+ --------------
+ -- Puts_LLI --
+ --------------
+
+ procedure Puts_LLI
+ (To : out String;
+ Item : Long_Long_Integer;
+ Base : Number_Base)
+ is
+ Buf : String (1 .. Integer'Max (Field'Last, To'Length));
+ Ptr : Natural := 0;
+
+ begin
+ if Base = 10 then
+ Set_Image_Width_Long_Long_Integer (Item, To'Length, Buf, Ptr);
+ else
+ Set_Image_Based_Long_Long_Integer (Item, Base, To'Length, Buf, Ptr);
+ end if;
+
+ if Ptr > To'Length then
+ raise Layout_Error;
+ else
+ To (To'First .. To'First + Ptr - 1) := Buf (1 .. Ptr);
+ end if;
+ end Puts_LLI;
+
+end Ada.Text_IO.Integer_Aux;