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

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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children 84e7813d76e9
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68:561a7518be6b 111:04ced10e8804
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT RUN-TIME COMPONENTS --
4 -- --
5 -- A D A . T E X T _ I O . B O U N D E D _ I O --
6 -- --
7 -- B o d y --
8 -- --
9 -- Copyright (C) 1997-2017, 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.Text_IO; use Ada.Text_IO;
33 with Ada.Unchecked_Deallocation;
34
35 package body Ada.Text_IO.Bounded_IO is
36
37 type String_Access is access all String;
38
39 procedure Free (SA : in out String_Access);
40 -- Perform an unchecked deallocation of a non-null string
41
42 ----------
43 -- Free --
44 ----------
45
46 procedure Free (SA : in out String_Access) is
47 Null_String : constant String := "";
48
49 procedure Deallocate is
50 new Ada.Unchecked_Deallocation (String, String_Access);
51
52 begin
53 -- Do not try to free statically allocated null string
54
55 if SA.all /= Null_String then
56 Deallocate (SA);
57 end if;
58 end Free;
59
60 --------------
61 -- Get_Line --
62 --------------
63
64 function Get_Line return Bounded.Bounded_String is
65 begin
66 return Bounded.To_Bounded_String (Get_Line);
67 end Get_Line;
68
69 --------------
70 -- Get_Line --
71 --------------
72
73 function Get_Line
74 (File : File_Type) return Bounded.Bounded_String
75 is
76 begin
77 return Bounded.To_Bounded_String (Get_Line (File));
78 end Get_Line;
79
80 --------------
81 -- Get_Line --
82 --------------
83
84 procedure Get_Line
85 (Item : out Bounded.Bounded_String)
86 is
87 Buffer : String (1 .. 1000);
88 Last : Natural;
89 Str1 : String_Access;
90 Str2 : String_Access;
91
92 begin
93 Get_Line (Buffer, Last);
94 Str1 := new String'(Buffer (1 .. Last));
95
96 while Last = Buffer'Last loop
97 Get_Line (Buffer, Last);
98 Str2 := new String'(Str1.all & Buffer (1 .. Last));
99 Free (Str1);
100 Str1 := Str2;
101 end loop;
102
103 Item := Bounded.To_Bounded_String (Str1.all);
104 end Get_Line;
105
106 --------------
107 -- Get_Line --
108 --------------
109
110 procedure Get_Line
111 (File : File_Type;
112 Item : out Bounded.Bounded_String)
113 is
114 Buffer : String (1 .. 1000);
115 Last : Natural;
116 Str1 : String_Access;
117 Str2 : String_Access;
118
119 begin
120 Get_Line (File, Buffer, Last);
121 Str1 := new String'(Buffer (1 .. Last));
122
123 while Last = Buffer'Last loop
124 Get_Line (File, Buffer, Last);
125 Str2 := new String'(Str1.all & Buffer (1 .. Last));
126 Free (Str1);
127 Str1 := Str2;
128 end loop;
129
130 Item := Bounded.To_Bounded_String (Str1.all);
131 end Get_Line;
132
133 ---------
134 -- Put --
135 ---------
136
137 procedure Put
138 (Item : Bounded.Bounded_String)
139 is
140 begin
141 Put (Bounded.To_String (Item));
142 end Put;
143
144 ---------
145 -- Put --
146 ---------
147
148 procedure Put
149 (File : File_Type;
150 Item : Bounded.Bounded_String)
151 is
152 begin
153 Put (File, Bounded.To_String (Item));
154 end Put;
155
156 --------------
157 -- Put_Line --
158 --------------
159
160 procedure Put_Line
161 (Item : Bounded.Bounded_String)
162 is
163 begin
164 Put_Line (Bounded.To_String (Item));
165 end Put_Line;
166
167 --------------
168 -- Put_Line --
169 --------------
170
171 procedure Put_Line
172 (File : File_Type;
173 Item : Bounded.Bounded_String)
174 is
175 begin
176 Put_Line (File, Bounded.To_String (Item));
177 end Put_Line;
178
179 end Ada.Text_IO.Bounded_IO;