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
|
------------------------------------------------------------------------------
-- --
-- POLYORB COMPONENTS --
-- --
-- S H E L L --
-- --
-- B o d y --
-- --
-- Copyright (C) 2008-2012, Free Software Foundation, Inc. --
-- --
-- This 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. This software is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- --
-- TABILITY 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 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/>. --
-- --
-- PolyORB is maintained by AdaCore --
-- (email: sales@adacore.com) --
-- --
------------------------------------------------------------------------------
with Ada.Text_IO; use Ada.Text_IO;
package body Shell is
procedure Interact is
Line : String (1 .. 80);
Last : Integer;
Space : Integer;
Command : Command_Type;
begin
Main_Loop : loop
begin
Get_Command : loop
Put ("> ");
Get_Line (Line, Last);
Space := 1;
while Space <= Last and then Line (Space) /= ' ' loop
Space := Space + 1;
end loop;
begin
Command := Command_Type'Value (Line (1 .. Space - 1));
exit Get_Command;
exception
when Constraint_Error =>
Put_Line ("?");
end;
end loop Get_Command;
Handle_Command (Command, Line (Space + 1 .. Last));
end;
end loop Main_Loop;
exception
when Exit_Shell =>
null;
end Interact;
end Shell;
|
