+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- 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 --
--- --
--- $Revision: 1.1.16.1 $
--- --
--- Copyright (C) 1992-1999 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, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, 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.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 : in File_Type;
- Buf : out String;
- Ptr : in out Natural);
- -- This is an auxiliary routine that is used to load an 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 : in File_Type;
- Item : out Integer;
- Width : in 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 (File, Buf, Stop, Ptr, Width);
- end Get_Int;
-
- -------------
- -- Get_LLI --
- -------------
-
- procedure Get_LLI
- (File : in File_Type;
- Item : out Long_Long_Integer;
- Width : in 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 (File, Buf, Stop, Ptr, Width);
- end Get_LLI;
-
- --------------
- -- Gets_Int --
- --------------
-
- procedure Gets_Int
- (From : in 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 =>
- Last := Pos - 1;
- raise Data_Error;
- end Gets_Int;
-
- --------------
- -- Gets_LLI --
- --------------
-
- procedure Gets_LLI
- (From : in 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 =>
- Last := Pos - 1;
- raise Data_Error;
- end Gets_LLI;
-
- ------------------
- -- Load_Integer --
- ------------------
-
- procedure Load_Integer
- (File : in 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
- 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;
-
- 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 : in File_Type;
- Item : in Integer;
- Width : in Field;
- Base : in 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 : in File_Type;
- Item : in Long_Long_Integer;
- Width : in Field;
- Base : in 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 : in Integer;
- Base : in 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 : in Long_Long_Integer;
- Base : in 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;
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