1 ------------------------------------------------------------------------------
3 -- GNAT RUNTIME COMPONENTS --
5 -- A D A . W I D E _ T E X T _ I O . D E C I M A L _ A U X --
11 -- Copyright (C) 1992-2001 Free Software Foundation, Inc. --
13 -- GNAT is free software; you can redistribute it and/or modify it under --
14 -- terms of the GNU General Public License as published by the Free Soft- --
15 -- ware Foundation; either version 2, or (at your option) any later ver- --
16 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
17 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
18 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
19 -- for more details. You should have received a copy of the GNU General --
20 -- Public License distributed with GNAT; see file COPYING. If not, write --
21 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
22 -- MA 02111-1307, USA. --
24 -- As a special exception, if other files instantiate generics from this --
25 -- unit, or you link this unit with other files to produce an executable, --
26 -- this unit does not by itself cause the resulting executable to be --
27 -- covered by the GNU General Public License. This exception does not --
28 -- however invalidate any other reasons why the executable file might be --
29 -- covered by the GNU Public License. --
31 -- GNAT was originally developed by the GNAT team at New York University. --
32 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
34 ------------------------------------------------------------------------------
36 with Ada.Wide_Text_IO.Generic_Aux; use Ada.Wide_Text_IO.Generic_Aux;
37 with Ada.Wide_Text_IO.Float_Aux; use Ada.Wide_Text_IO.Float_Aux;
39 with System.Img_Dec; use System.Img_Dec;
40 with System.Img_LLD; use System.Img_LLD;
41 with System.Val_Dec; use System.Val_Dec;
42 with System.Val_LLD; use System.Val_LLD;
44 package body Ada.Wide_Text_IO.Decimal_Aux is
56 Buf : String (1 .. Field'Last);
57 Ptr : aliased Integer;
63 Load_Width (File, Width, Buf, Stop);
64 String_Skip (Buf, Ptr);
66 Load_Real (File, Buf, Stop);
70 Item := Scan_Decimal (Buf, Ptr'Access, Stop, Scale);
71 Check_End_Of_Field (File, Buf, Stop, Ptr, Width);
83 return Long_Long_Integer
85 Buf : String (1 .. Field'Last);
86 Ptr : aliased Integer;
88 Item : Long_Long_Integer;
92 Load_Width (File, Width, Buf, Stop);
93 String_Skip (Buf, Ptr);
95 Load_Real (File, Buf, Stop);
99 Item := Scan_Long_Long_Decimal (Buf, Ptr'Access, Stop, Scale);
100 Check_End_Of_Field (File, Buf, Stop, Ptr, Width);
110 Last : access Positive;
114 Pos : aliased Integer;
118 String_Skip (From, Pos);
119 Item := Scan_Decimal (From, Pos'Access, From'Last, Scale);
124 when Constraint_Error =>
136 Last : access Positive;
138 return Long_Long_Integer
140 Pos : aliased Integer;
141 Item : Long_Long_Integer;
144 String_Skip (From, Pos);
145 Item := Scan_Long_Long_Decimal (From, Pos'Access, From'Last, Scale);
150 when Constraint_Error =>
168 Buf : String (1 .. Field'Last);
172 Set_Image_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp);
173 Put_Item (File, Buf (1 .. Ptr));
182 Item : Long_Long_Integer;
188 Buf : String (1 .. Field'Last);
192 Set_Image_Long_Long_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp);
193 Put_Item (File, Buf (1 .. Ptr));
207 Buf : String (1 .. Field'Last);
213 Fore := To'Length - 1 - Aft;
215 Fore := To'Length - 2 - Aft - Exp;
222 Set_Image_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp);
224 if Ptr > To'Length then
227 To := Buf (1 .. Ptr);
237 Item : Long_Long_Integer;
242 Buf : String (1 .. Field'Last);
248 Fore := To'Length - 1 - Aft;
250 Fore := To'Length - 2 - Aft - Exp;
257 Set_Image_Long_Long_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp);
259 if Ptr > To'Length then
262 To := Buf (1 .. Ptr);
266 end Ada.Wide_Text_IO.Decimal_Aux;