1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME COMPONENTS --
5 -- A D A . W I D E _ W I D E _ T E X T _ IO . C O M P L E X _ I O --
9 -- Copyright (C) 1992-2006, 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, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, 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_Wide_Text_IO.Complex_Aux;
36 with System.WCh_Con; use System.WCh_Con;
37 with System.WCh_WtS; use System.WCh_WtS;
39 with Ada.Unchecked_Conversion;
41 package body Ada.Wide_Wide_Text_IO.Complex_IO is
43 package Aux renames Ada.Wide_Wide_Text_IO.Complex_Aux;
45 subtype LLF is Long_Long_Float;
46 -- Type used for calls to routines in Aux
49 Ada.Unchecked_Conversion (File_Type, Ada.Wide_Wide_Text_IO.File_Type);
50 -- This unchecked conversion is to get around a visibility bug in
51 -- GNAT version 2.04w. It should be possible to simply use the
52 -- subtype declared above and do normal checked conversions.
63 Real_Item : Real'Base;
64 Imag_Item : Real'Base;
67 Aux.Get (TFT (File), LLF (Real_Item), LLF (Imag_Item), Width);
68 Item := (Real_Item, Imag_Item);
71 when Constraint_Error => raise Data_Error;
83 Get (Current_Input, Item, Width);
91 (From : Wide_Wide_String;
95 Real_Item : Real'Base;
96 Imag_Item : Real'Base;
98 S : constant String := Wide_Wide_String_To_String (From, WCEM_Upper);
99 -- String on which we do the actual conversion. Note that the method
100 -- used for wide character encoding is irrelevant, since if there is
101 -- a character outside the Standard.Character range then the call to
102 -- Aux.Gets will raise Data_Error in any case.
105 Aux.Gets (S, LLF (Real_Item), LLF (Imag_Item), Last);
106 Item := (Real_Item, Imag_Item);
109 when Data_Error => raise Constraint_Error;
119 Fore : Field := Default_Fore;
120 Aft : Field := Default_Aft;
121 Exp : Field := Default_Exp)
124 Aux.Put (TFT (File), LLF (Re (Item)), LLF (Im (Item)), Fore, Aft, Exp);
133 Fore : Field := Default_Fore;
134 Aft : Field := Default_Aft;
135 Exp : Field := Default_Exp)
138 Put (Current_Output, Item, Fore, Aft, Exp);
146 (To : out Wide_Wide_String;
148 Aft : Field := Default_Aft;
149 Exp : Field := Default_Exp)
151 S : String (To'First .. To'Last);
154 Aux.Puts (S, LLF (Re (Item)), LLF (Im (Item)), Aft, Exp);
156 for J in S'Range loop
157 To (J) := Wide_Wide_Character'Val (Character'Pos (S (J)));
161 end Ada.Wide_Wide_Text_IO.Complex_IO;