1 ------------------------------------------------------------------------------
3 -- GNAT RUNTIME COMPONENTS --
5 -- A D A . W I D E _ T E X T _ IO . C O M P L E X _ I O --
9 -- Copyright (C) 1992,1993,1994,1995,1996 Free Software Foundation, Inc. --
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, 59 Temple Place - Suite 330, Boston, --
20 -- MA 02111-1307, USA. --
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. --
29 -- GNAT was originally developed by the GNAT team at New York University. --
30 -- Extensive contributions were provided by Ada Core Technologies Inc. --
32 ------------------------------------------------------------------------------
34 with Ada.Wide_Text_IO.Complex_Aux;
35 with System.WCh_Con; use System.WCh_Con;
36 with System.WCh_WtS; use System.WCh_WtS;
38 with Ada.Unchecked_Conversion;
40 package body Ada.Wide_Text_IO.Complex_IO is
42 package Aux renames Ada.Wide_Text_IO.Complex_Aux;
44 subtype LLF is Long_Long_Float;
45 -- Type used for calls to routines in Aux
47 -- subtype TFT is Ada.Wide_Text_IO.File_Type;
48 -- File type required for calls to routines in Aux
51 Ada.Unchecked_Conversion (File_Type, Ada.Wide_Text_IO.File_Type);
52 -- This unchecked conversion is to get around a visibility bug in
53 -- GNAT version 2.04w. It should be possible to simply use the
54 -- subtype declared above and do normal checked conversions.
63 Width : in Field := 0)
65 Real_Item : Real'Base;
66 Imag_Item : Real'Base;
69 Aux.Get (TFT (File), LLF (Real_Item), LLF (Imag_Item), Width);
70 Item := (Real_Item, Imag_Item);
73 when Constraint_Error => raise Data_Error;
82 Width : in Field := 0)
85 Get (Current_Input, Item, Width);
93 (From : in Wide_String;
97 Real_Item : Real'Base;
98 Imag_Item : Real'Base;
100 S : constant String := Wide_String_To_String (From, WCEM_Upper);
101 -- String on which we do the actual conversion. Note that the method
102 -- used for wide character encoding is irrelevant, since if there is
103 -- a character outside the Standard.Character range then the call to
104 -- Aux.Gets will raise Data_Error in any case.
107 Aux.Gets (S, LLF (Real_Item), LLF (Imag_Item), Last);
108 Item := (Real_Item, Imag_Item);
111 when Data_Error => raise Constraint_Error;
119 (File : in File_Type;
121 Fore : in Field := Default_Fore;
122 Aft : in Field := Default_Aft;
123 Exp : in Field := Default_Exp)
126 Aux.Put (TFT (File), LLF (Re (Item)), LLF (Im (Item)), Fore, Aft, Exp);
135 Fore : in Field := Default_Fore;
136 Aft : in Field := Default_Aft;
137 Exp : in Field := Default_Exp)
140 Put (Current_Output, Item, Fore, Aft, Exp);
148 (To : out Wide_String;
150 Aft : in Field := Default_Aft;
151 Exp : in Field := Default_Exp)
153 S : String (To'First .. To'Last);
156 Aux.Puts (S, LLF (Re (Item)), LLF (Im (Item)), Aft, Exp);
158 for J in S'Range loop
159 To (J) := Wide_Character'Val (Character'Pos (S (J)));
163 end Ada.Wide_Text_IO.Complex_IO;