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------------------------------------------------------------------------------
--                                                                          --
--                         GNAT RUN-TIME COMPONENTS                         --
--                                                                          --
--    A D A . W I D E _ W I D E _ T E X T _ I O . D E C I M A L _ A U X     --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
--          Copyright (C) 1992-2005, 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,  51  Franklin  Street,  Fifth  Floor, --
-- Boston, MA 02110-1301, 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.Wide_Wide_Text_IO.Generic_Aux; use Ada.Wide_Wide_Text_IO.Generic_Aux;
with Ada.Wide_Wide_Text_IO.Float_Aux;   use Ada.Wide_Wide_Text_IO.Float_Aux;
 
with System.Img_Dec; use System.Img_Dec;
with System.Img_LLD; use System.Img_LLD;
with System.Val_Dec; use System.Val_Dec;
with System.Val_LLD; use System.Val_LLD;
 
package body Ada.Wide_Wide_Text_IO.Decimal_Aux is
 
   -------------
   -- Get_Dec --
   -------------
 
   function Get_Dec
     (File  : File_Type;
      Width : Field;
      Scale : Integer) return Integer
   is
      Buf  : String (1 .. Field'Last);
      Ptr  : aliased Integer;
      Stop : Integer := 0;
      Item : Integer;
 
   begin
      if Width /= 0 then
         Load_Width (File, Width, Buf, Stop);
         String_Skip (Buf, Ptr);
      else
         Load_Real (File, Buf, Stop);
         Ptr := 1;
      end if;
 
      Item := Scan_Decimal (Buf, Ptr'Access, Stop, Scale);
      Check_End_Of_Field (Buf, Stop, Ptr, Width);
      return Item;
   end Get_Dec;
 
   -------------
   -- Get_LLD --
   -------------
 
   function Get_LLD
     (File  : File_Type;
      Width : Field;
      Scale : Integer) return Long_Long_Integer
   is
      Buf  : String (1 .. Field'Last);
      Ptr  : aliased Integer;
      Stop : Integer := 0;
      Item : Long_Long_Integer;
 
   begin
      if Width /= 0 then
         Load_Width (File, Width, Buf, Stop);
         String_Skip (Buf, Ptr);
      else
         Load_Real (File, Buf, Stop);
         Ptr := 1;
      end if;
 
      Item := Scan_Long_Long_Decimal (Buf, Ptr'Access, Stop, Scale);
      Check_End_Of_Field (Buf, Stop, Ptr, Width);
      return Item;
   end Get_LLD;
 
   --------------
   -- Gets_Dec --
   --------------
 
   function Gets_Dec
     (From  : String;
      Last  : access Positive;
      Scale : Integer) return Integer
   is
      Pos  : aliased Integer;
      Item : Integer;
 
   begin
      String_Skip (From, Pos);
      Item := Scan_Decimal (From, Pos'Access, From'Last, Scale);
      Last.all := Pos - 1;
      return Item;
 
   exception
      when Constraint_Error =>
         Last.all := Pos - 1;
         raise Data_Error;
 
   end Gets_Dec;
 
   --------------
   -- Gets_LLD --
   --------------
 
   function Gets_LLD
     (From  : String;
      Last  : access Positive;
      Scale : Integer) return Long_Long_Integer
   is
      Pos  : aliased Integer;
      Item : Long_Long_Integer;
 
   begin
      String_Skip (From, Pos);
      Item := Scan_Long_Long_Decimal (From, Pos'Access, From'Last, Scale);
      Last.all := Pos - 1;
      return Item;
 
   exception
      when Constraint_Error =>
         Last.all := Pos - 1;
         raise Data_Error;
 
   end Gets_LLD;
 
   -------------
   -- Put_Dec --
   -------------
 
   procedure Put_Dec
     (File  : File_Type;
      Item  : Integer;
      Fore  : Field;
      Aft   : Field;
      Exp   : Field;
      Scale : Integer)
   is
      Buf : String (1 .. Field'Last);
      Ptr : Natural := 0;
 
   begin
      Set_Image_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp);
      Put_Item (File, Buf (1 .. Ptr));
   end Put_Dec;
 
   -------------
   -- Put_LLD --
   -------------
 
   procedure Put_LLD
     (File  : File_Type;
      Item  : Long_Long_Integer;
      Fore  : Field;
      Aft   : Field;
      Exp   : Field;
      Scale : Integer)
   is
      Buf : String (1 .. Field'Last);
      Ptr : Natural := 0;
 
   begin
      Set_Image_Long_Long_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp);
      Put_Item (File, Buf (1 .. Ptr));
   end Put_LLD;
 
   --------------
   -- Puts_Dec --
   --------------
 
   procedure Puts_Dec
     (To    : out String;
      Item  : Integer;
      Aft   : Field;
      Exp   : Field;
      Scale : Integer)
   is
      Buf  : String (1 .. Field'Last);
      Fore : Integer;
      Ptr  : Natural := 0;
 
   begin
      if Exp = 0 then
         Fore := To'Length - 1 - Aft;
      else
         Fore := To'Length - 2 - Aft - Exp;
      end if;
 
      if Fore < 1 then
         raise Layout_Error;
      end if;
 
      Set_Image_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp);
 
      if Ptr > To'Length then
         raise Layout_Error;
      else
         To := Buf (1 .. Ptr);
      end if;
   end Puts_Dec;
 
   --------------
   -- Puts_Dec --
   --------------
 
   procedure Puts_LLD
     (To    : out String;
      Item  : Long_Long_Integer;
      Aft   : Field;
      Exp   : Field;
      Scale : Integer)
   is
      Buf  : String (1 .. Field'Last);
      Fore : Integer;
      Ptr  : Natural := 0;
 
   begin
      if Exp = 0 then
         Fore := To'Length - 1 - Aft;
      else
         Fore := To'Length - 2 - Aft - Exp;
      end if;
 
      if Fore < 1 then
         raise Layout_Error;
      end if;
 
      Set_Image_Long_Long_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp);
 
      if Ptr > To'Length then
         raise Layout_Error;
      else
         To := Buf (1 .. Ptr);
      end if;
   end Puts_LLD;
 
end Ada.Wide_Wide_Text_IO.Decimal_Aux;

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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [gcc/] [ada/] [a-ztdeau.adb] - Blame information for rev 27

Line No.	Rev	Author	Line
1	12	jlechner	`------------------------------------------------------------------------------`
2			`-- --`
3			`-- GNAT RUN-TIME COMPONENTS --`
4			`-- --`
5			`-- A D A . W I D E _ W I D E _ T E X T _ I O . D E C I M A L _ A U X --`
6			`-- --`
7			`-- B o d y --`
8			`-- --`
9			`-- Copyright (C) 1992-2005, Free Software Foundation, Inc. --`
10			`-- --`
11			`-- GNAT is free software; you can redistribute it and/or modify it under --`
12			`-- terms of the GNU General Public License as published by the Free Soft- --`
13			`-- ware Foundation; either version 2, or (at your option) any later ver- --`
14			`-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --`
15			`-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --`
16			`-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --`
17			`-- for more details. You should have received a copy of the GNU General --`
18			`-- Public License distributed with GNAT; see file COPYING. If not, write --`
19			`-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --`
20			`-- Boston, MA 02110-1301, USA. --`
21			`-- --`
22			`-- As a special exception, if other files instantiate generics from this --`
23			`-- unit, or you link this unit with other files to produce an executable, --`
24			`-- this unit does not by itself cause the resulting executable to be --`
25			`-- covered by the GNU General Public License. This exception does not --`
26			`-- however invalidate any other reasons why the executable file might be --`
27			`-- covered by the GNU Public License. --`
28			`-- --`
29			`-- GNAT was originally developed by the GNAT team at New York University. --`
30			`-- Extensive contributions were provided by Ada Core Technologies Inc. --`
31			`-- --`
32			`------------------------------------------------------------------------------`
33
34			`with Ada.Wide_Wide_Text_IO.Generic_Aux; use Ada.Wide_Wide_Text_IO.Generic_Aux;`
35			`with Ada.Wide_Wide_Text_IO.Float_Aux; use Ada.Wide_Wide_Text_IO.Float_Aux;`
36
37			`with System.Img_Dec; use System.Img_Dec;`
38			`with System.Img_LLD; use System.Img_LLD;`
39			`with System.Val_Dec; use System.Val_Dec;`
40			`with System.Val_LLD; use System.Val_LLD;`
41
42			`package body Ada.Wide_Wide_Text_IO.Decimal_Aux is`
43
44			`-------------`
45			`-- Get_Dec --`
46			`-------------`
47
48			`function Get_Dec`
49			`(File : File_Type;`
50			`Width : Field;`
51			`Scale : Integer) return Integer`
52			`is`
53			`Buf : String (1 .. Field'Last);`
54			`Ptr : aliased Integer;`
55			`Stop : Integer := 0;`
56			`Item : Integer;`
57
58			`begin`
59			`if Width /= 0 then`
60			`Load_Width (File, Width, Buf, Stop);`
61			`String_Skip (Buf, Ptr);`
62			`else`
63			`Load_Real (File, Buf, Stop);`
64			`Ptr := 1;`
65			`end if;`
66
67			`Item := Scan_Decimal (Buf, Ptr'Access, Stop, Scale);`
68			`Check_End_Of_Field (Buf, Stop, Ptr, Width);`
69			`return Item;`
70			`end Get_Dec;`
71
72			`-------------`
73			`-- Get_LLD --`
74			`-------------`
75
76			`function Get_LLD`
77			`(File : File_Type;`
78			`Width : Field;`
79			`Scale : Integer) return Long_Long_Integer`
80			`is`
81			`Buf : String (1 .. Field'Last);`
82			`Ptr : aliased Integer;`
83			`Stop : Integer := 0;`
84			`Item : Long_Long_Integer;`
85
86			`begin`
87			`if Width /= 0 then`
88			`Load_Width (File, Width, Buf, Stop);`
89			`String_Skip (Buf, Ptr);`
90			`else`
91			`Load_Real (File, Buf, Stop);`
92			`Ptr := 1;`
93			`end if;`
94
95			`Item := Scan_Long_Long_Decimal (Buf, Ptr'Access, Stop, Scale);`
96			`Check_End_Of_Field (Buf, Stop, Ptr, Width);`
97			`return Item;`
98			`end Get_LLD;`
99
100			`--------------`
101			`-- Gets_Dec --`
102			`--------------`
103
104			`function Gets_Dec`
105			`(From : String;`
106			`Last : access Positive;`
107			`Scale : Integer) return Integer`
108			`is`
109			`Pos : aliased Integer;`
110			`Item : Integer;`
111
112			`begin`
113			`String_Skip (From, Pos);`
114			`Item := Scan_Decimal (From, Pos'Access, From'Last, Scale);`
115			`Last.all := Pos - 1;`
116			`return Item;`
117
118			`exception`
119			`when Constraint_Error =>`
120			`Last.all := Pos - 1;`
121			`raise Data_Error;`
122
123			`end Gets_Dec;`
124
125			`--------------`
126			`-- Gets_LLD --`
127			`--------------`
128
129			`function Gets_LLD`
130			`(From : String;`
131			`Last : access Positive;`
132			`Scale : Integer) return Long_Long_Integer`
133			`is`
134			`Pos : aliased Integer;`
135			`Item : Long_Long_Integer;`
136
137			`begin`
138			`String_Skip (From, Pos);`
139			`Item := Scan_Long_Long_Decimal (From, Pos'Access, From'Last, Scale);`
140			`Last.all := Pos - 1;`
141			`return Item;`
142
143			`exception`
144			`when Constraint_Error =>`
145			`Last.all := Pos - 1;`
146			`raise Data_Error;`
147
148			`end Gets_LLD;`
149
150			`-------------`
151			`-- Put_Dec --`
152			`-------------`
153
154			`procedure Put_Dec`
155			`(File : File_Type;`
156			`Item : Integer;`
157			`Fore : Field;`
158			`Aft : Field;`
159			`Exp : Field;`
160			`Scale : Integer)`
161			`is`
162			`Buf : String (1 .. Field'Last);`
163			`Ptr : Natural := 0;`
164
165			`begin`
166			`Set_Image_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp);`
167			`Put_Item (File, Buf (1 .. Ptr));`
168			`end Put_Dec;`
169
170			`-------------`
171			`-- Put_LLD --`
172			`-------------`
173
174			`procedure Put_LLD`
175			`(File : File_Type;`
176			`Item : Long_Long_Integer;`
177			`Fore : Field;`
178			`Aft : Field;`
179			`Exp : Field;`
180			`Scale : Integer)`
181			`is`
182			`Buf : String (1 .. Field'Last);`
183			`Ptr : Natural := 0;`
184
185			`begin`
186			`Set_Image_Long_Long_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp);`
187			`Put_Item (File, Buf (1 .. Ptr));`
188			`end Put_LLD;`
189
190			`--------------`
191			`-- Puts_Dec --`
192			`--------------`
193
194			`procedure Puts_Dec`
195			`(To : out String;`
196			`Item : Integer;`
197			`Aft : Field;`
198			`Exp : Field;`
199			`Scale : Integer)`
200			`is`
201			`Buf : String (1 .. Field'Last);`
202			`Fore : Integer;`
203			`Ptr : Natural := 0;`
204
205			`begin`
206			`if Exp = 0 then`
207			`Fore := To'Length - 1 - Aft;`
208			`else`
209			`Fore := To'Length - 2 - Aft - Exp;`
210			`end if;`
211
212			`if Fore < 1 then`
213			`raise Layout_Error;`
214			`end if;`
215
216			`Set_Image_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp);`
217
218			`if Ptr > To'Length then`
219			`raise Layout_Error;`
220			`else`
221			`To := Buf (1 .. Ptr);`
222			`end if;`
223			`end Puts_Dec;`
224
225			`--------------`
226			`-- Puts_Dec --`
227			`--------------`
228
229			`procedure Puts_LLD`
230			`(To : out String;`
231			`Item : Long_Long_Integer;`
232			`Aft : Field;`
233			`Exp : Field;`
234			`Scale : Integer)`
235			`is`
236			`Buf : String (1 .. Field'Last);`
237			`Fore : Integer;`
238			`Ptr : Natural := 0;`
239
240			`begin`
241			`if Exp = 0 then`
242			`Fore := To'Length - 1 - Aft;`
243			`else`
244			`Fore := To'Length - 2 - Aft - Exp;`
245			`end if;`
246
247			`if Fore < 1 then`
248			`raise Layout_Error;`
249			`end if;`
250
251			`Set_Image_Long_Long_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp);`
252
253			`if Ptr > To'Length then`
254			`raise Layout_Error;`
255			`else`
256			`To := Buf (1 .. Ptr);`
257			`end if;`
258			`end Puts_LLD;`
259
260			`end Ada.Wide_Wide_Text_IO.Decimal_Aux;`