1 ------------------------------------------------------------------------------
3 -- GNAT RUNTIME COMPONENTS --
5 -- A D A . T E X T _ I O . D E C I M A L _ A U X --
10 -- Copyright (C) 1992-2001 Free Software Foundation, Inc. --
12 -- GNAT is free software; you can redistribute it and/or modify it under --
13 -- terms of the GNU General Public License as published by the Free Soft- --
14 -- ware Foundation; either version 2, or (at your option) any later ver- --
15 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
16 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
17 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
18 -- for more details. You should have received a copy of the GNU General --
19 -- Public License distributed with GNAT; see file COPYING. If not, write --
20 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
21 -- MA 02111-1307, USA. --
23 -- As a special exception, if other files instantiate generics from this --
24 -- unit, or you link this unit with other files to produce an executable, --
25 -- this unit does not by itself cause the resulting executable to be --
26 -- covered by the GNU General Public License. This exception does not --
27 -- however invalidate any other reasons why the executable file might be --
28 -- covered by the GNU Public License. --
30 -- GNAT was originally developed by the GNAT team at New York University. --
31 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
33 ------------------------------------------------------------------------------
35 with Ada
.Text_IO
.Generic_Aux
; use Ada
.Text_IO
.Generic_Aux
;
36 with Ada
.Text_IO
.Float_Aux
; use Ada
.Text_IO
.Float_Aux
;
38 with System
.Img_Dec
; use System
.Img_Dec
;
39 with System
.Img_LLD
; use System
.Img_LLD
;
40 with System
.Val_Dec
; use System
.Val_Dec
;
41 with System
.Val_LLD
; use System
.Val_LLD
;
43 package body Ada
.Text_IO
.Decimal_Aux
is
55 Buf
: String (1 .. Field
'Last);
56 Ptr
: aliased Integer;
62 Load_Width
(File
, Width
, Buf
, Stop
);
63 String_Skip
(Buf
, Ptr
);
65 Load_Real
(File
, Buf
, Stop
);
69 Item
:= Scan_Decimal
(Buf
, Ptr
'Access, Stop
, Scale
);
70 Check_End_Of_Field
(Buf
, Stop
, Ptr
, Width
);
82 return Long_Long_Integer
84 Buf
: String (1 .. Field
'Last);
85 Ptr
: aliased Integer;
87 Item
: Long_Long_Integer;
91 Load_Width
(File
, Width
, Buf
, Stop
);
92 String_Skip
(Buf
, Ptr
);
94 Load_Real
(File
, Buf
, Stop
);
98 Item
:= Scan_Long_Long_Decimal
(Buf
, Ptr
'Access, Stop
, Scale
);
99 Check_End_Of_Field
(Buf
, Stop
, Ptr
, Width
);
109 Last
: access Positive;
113 Pos
: aliased Integer;
117 String_Skip
(From
, Pos
);
118 Item
:= Scan_Decimal
(From
, Pos
'Access, From
'Last, Scale
);
123 when Constraint_Error
=>
134 Last
: access Positive;
136 return Long_Long_Integer
138 Pos
: aliased Integer;
139 Item
: Long_Long_Integer;
142 String_Skip
(From
, Pos
);
143 Item
:= Scan_Long_Long_Decimal
(From
, Pos
'Access, From
'Last, Scale
);
148 when Constraint_Error
=>
158 (File
: in File_Type
;
165 Buf
: String (1 .. Field
'Last);
169 Set_Image_Decimal
(Item
, Buf
, Ptr
, Scale
, Fore
, Aft
, Exp
);
170 Put_Item
(File
, Buf
(1 .. Ptr
));
178 (File
: in File_Type
;
179 Item
: in Long_Long_Integer;
185 Buf
: String (1 .. Field
'Last);
189 Set_Image_Long_Long_Decimal
(Item
, Buf
, Ptr
, Scale
, Fore
, Aft
, Exp
);
190 Put_Item
(File
, Buf
(1 .. Ptr
));
204 Buf
: String (1 .. Field
'Last);
210 Fore
:= To
'Length - 1 - Aft
;
212 Fore
:= To
'Length - 2 - Aft
- Exp
;
219 Set_Image_Decimal
(Item
, Buf
, Ptr
, Scale
, Fore
, Aft
, Exp
);
221 if Ptr
> To
'Length then
224 To
:= Buf
(1 .. Ptr
);
234 Item
: in Long_Long_Integer;
239 Buf
: String (1 .. Field
'Last);
245 Fore
:= To
'Length - 1 - Aft
;
247 Fore
:= To
'Length - 2 - Aft
- Exp
;
254 Set_Image_Long_Long_Decimal
(Item
, Buf
, Ptr
, Scale
, Fore
, Aft
, Exp
);
256 if Ptr
> To
'Length then
259 To
:= Buf
(1 .. Ptr
);
263 end Ada
.Text_IO
.Decimal_Aux
;