blob: 88dc5849def24f8e6d1e44ed280b039c786ece0a (
plain)
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
|
------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- S Y S T E M . I M G _ I N T --
-- --
-- B o d y --
-- --
-- Copyright (C) 1992-2013, 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 3, 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. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception, --
-- version 3.1, as published by the Free Software Foundation. --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
package body System.Img_Int is
-------------------
-- Image_Integer --
-------------------
procedure Image_Integer
(V : Integer;
S : in out String;
P : out Natural)
is
pragma Assert (S'First = 1);
begin
if V >= 0 then
S (1) := ' ';
P := 1;
else
P := 0;
end if;
Set_Image_Integer (V, S, P);
end Image_Integer;
-----------------------
-- Set_Image_Integer --
-----------------------
procedure Set_Image_Integer
(V : Integer;
S : in out String;
P : in out Natural)
is
procedure Set_Digits (T : Integer);
-- Set digits of absolute value of T, which is zero or negative. We work
-- with the negative of the value so that the largest negative number is
-- not a special case.
----------------
-- Set_Digits --
----------------
procedure Set_Digits (T : Integer) is
begin
if T <= -10 then
Set_Digits (T / 10);
P := P + 1;
S (P) := Character'Val (48 - (T rem 10));
else
P := P + 1;
S (P) := Character'Val (48 - T);
end if;
end Set_Digits;
-- Start of processing for Set_Image_Integer
begin
if V >= 0 then
Set_Digits (-V);
else
P := P + 1;
S (P) := '-';
Set_Digits (V);
end if;
end Set_Image_Integer;
end System.Img_Int;
|
