1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- A D A . W I D E _ T E X T _ I O . I N T E G E R _ I O --
-- --
-- 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_Text_IO.Integer_Aux;
with System.WCh_Con; use System.WCh_Con;
with System.WCh_WtS; use System.WCh_WtS;
package body Ada.Wide_Text_IO.Integer_IO is
Need_LLI : constant Boolean := Num'Base'Size > Integer'Size;
-- Throughout this generic body, we distinguish between the case
-- where type Integer is acceptable, and where a Long_Long_Integer
-- is needed. This constant Boolean is used to test for these cases
-- and since it is a constant, only the code for the relevant case
-- will be included in the instance.
subtype TFT is Ada.Wide_Text_IO.File_Type;
-- File type required for calls to routines in Aux
package Aux renames Ada.Wide_Text_IO.Integer_Aux;
---------
-- Get --
---------
procedure Get
(File : in File_Type;
Item : out Num;
Width : in Field := 0)
is
begin
if Need_LLI then
Aux.Get_LLI (TFT (File), Long_Long_Integer (Item), Width);
else
Aux.Get_Int (TFT (File), Integer (Item), Width);
end if;
exception
when Constraint_Error => raise Data_Error;
end Get;
procedure Get
(Item : out Num;
Width : in Field := 0)
is
begin
Get (Current_Input, Item, Width);
end Get;
procedure Get
(From : in Wide_String;
Item : out Num;
Last : out Positive)
is
S : constant String := Wide_String_To_String (From, WCEM_Upper);
-- String on which we do the actual conversion. Note that the method
-- used for wide character encoding is irrelevant, since if there is
-- a character outside the Standard.Character range then the call to
-- Aux.Gets will raise Data_Error in any case.
begin
if Need_LLI then
Aux.Gets_LLI (S, Long_Long_Integer (Item), Last);
else
Aux.Gets_Int (S, Integer (Item), Last);
end if;
exception
when Constraint_Error => raise Data_Error;
end Get;
---------
-- Put --
---------
procedure Put
(File : in File_Type;
Item : in Num;
Width : in Field := Default_Width;
Base : in Number_Base := Default_Base)
is
begin
if Need_LLI then
Aux.Put_LLI (TFT (File), Long_Long_Integer (Item), Width, Base);
else
Aux.Put_Int (TFT (File), Integer (Item), Width, Base);
end if;
end Put;
procedure Put
(Item : in Num;
Width : in Field := Default_Width;
Base : in Number_Base := Default_Base)
is
begin
Put (Current_Output, Item, Width, Base);
end Put;
procedure Put
(To : out Wide_String;
Item : in Num;
Base : in Number_Base := Default_Base)
is
S : String (To'First .. To'Last);
begin
if Need_LLI then
Aux.Puts_LLI (S, Long_Long_Integer (Item), Base);
else
Aux.Puts_Int (S, Integer (Item), Base);
end if;
for J in S'Range loop
To (J) := Wide_Character'Val (Character'Pos (S (J)));
end loop;
end Put;
end Ada.Wide_Text_IO.Integer_IO;
|
