comparison gcc/ada/libgnat/a-ztcoio.adb @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 84e7813d76e9
comparison
equal deleted inserted replaced
68:561a7518be6b 111:04ced10e8804
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT RUN-TIME COMPONENTS --
4 -- --
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 --
6 -- --
7 -- B o d y --
8 -- --
9 -- Copyright (C) 1992-2017, 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 3, 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. --
17 -- --
18 -- As a special exception under Section 7 of GPL version 3, you are granted --
19 -- additional permissions described in the GCC Runtime Library Exception, --
20 -- version 3.1, as published by the Free Software Foundation. --
21 -- --
22 -- You should have received a copy of the GNU General Public License and --
23 -- a copy of the GCC Runtime Library Exception along with this program; --
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
25 -- <http://www.gnu.org/licenses/>. --
26 -- --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
29 -- --
30 ------------------------------------------------------------------------------
31
32 with Ada.Wide_Wide_Text_IO.Complex_Aux;
33
34 with System.WCh_Con; use System.WCh_Con;
35 with System.WCh_WtS; use System.WCh_WtS;
36
37 with Ada.Unchecked_Conversion;
38
39 package body Ada.Wide_Wide_Text_IO.Complex_IO is
40
41 package Aux renames Ada.Wide_Wide_Text_IO.Complex_Aux;
42
43 subtype LLF is Long_Long_Float;
44 -- Type used for calls to routines in Aux
45
46 function TFT is new
47 Ada.Unchecked_Conversion (File_Type, Ada.Wide_Wide_Text_IO.File_Type);
48 -- This unchecked conversion is to get around a visibility bug in
49 -- GNAT version 2.04w. It should be possible to simply use the
50 -- subtype declared above and do normal checked conversions.
51
52 ---------
53 -- Get --
54 ---------
55
56 procedure Get
57 (File : File_Type;
58 Item : out Complex;
59 Width : Field := 0)
60 is
61 Real_Item : Real'Base;
62 Imag_Item : Real'Base;
63
64 begin
65 Aux.Get (TFT (File), LLF (Real_Item), LLF (Imag_Item), Width);
66 Item := (Real_Item, Imag_Item);
67
68 exception
69 when Constraint_Error => raise Data_Error;
70 end Get;
71
72 ---------
73 -- Get --
74 ---------
75
76 procedure Get
77 (Item : out Complex;
78 Width : Field := 0)
79 is
80 begin
81 Get (Current_Input, Item, Width);
82 end Get;
83
84 ---------
85 -- Get --
86 ---------
87
88 procedure Get
89 (From : Wide_Wide_String;
90 Item : out Complex;
91 Last : out Positive)
92 is
93 Real_Item : Real'Base;
94 Imag_Item : Real'Base;
95
96 S : constant String := Wide_Wide_String_To_String (From, WCEM_Upper);
97 -- String on which we do the actual conversion. Note that the method
98 -- used for wide character encoding is irrelevant, since if there is
99 -- a character outside the Standard.Character range then the call to
100 -- Aux.Gets will raise Data_Error in any case.
101
102 begin
103 Aux.Gets (S, LLF (Real_Item), LLF (Imag_Item), Last);
104 Item := (Real_Item, Imag_Item);
105
106 exception
107 when Data_Error => raise Constraint_Error;
108 end Get;
109
110 ---------
111 -- Put --
112 ---------
113
114 procedure Put
115 (File : File_Type;
116 Item : Complex;
117 Fore : Field := Default_Fore;
118 Aft : Field := Default_Aft;
119 Exp : Field := Default_Exp)
120 is
121 begin
122 Aux.Put (TFT (File), LLF (Re (Item)), LLF (Im (Item)), Fore, Aft, Exp);
123 end Put;
124
125 ---------
126 -- Put --
127 ---------
128
129 procedure Put
130 (Item : Complex;
131 Fore : Field := Default_Fore;
132 Aft : Field := Default_Aft;
133 Exp : Field := Default_Exp)
134 is
135 begin
136 Put (Current_Output, Item, Fore, Aft, Exp);
137 end Put;
138
139 ---------
140 -- Put --
141 ---------
142
143 procedure Put
144 (To : out Wide_Wide_String;
145 Item : Complex;
146 Aft : Field := Default_Aft;
147 Exp : Field := Default_Exp)
148 is
149 S : String (To'First .. To'Last);
150
151 begin
152 Aux.Puts (S, LLF (Re (Item)), LLF (Im (Item)), Aft, Exp);
153
154 for J in S'Range loop
155 To (J) := Wide_Wide_Character'Val (Character'Pos (S (J)));
156 end loop;
157 end Put;
158
159 end Ada.Wide_Wide_Text_IO.Complex_IO;