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
|
(* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. *)
(* This file is part of GNU Modula-2.
GNU Modula-2 is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
GNU Modula-2 is distributed in the hope that it will be useful, but WITHOUT 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 along
with gm2; see the file COPYING. If not, write to the Free Software
Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *)
MODULE nestedproc ;
FROM NumberIO IMPORT WriteCard ;
FROM StrIO IMPORT WriteString, WriteLn ;
VAR
j: CARDINAL ;
PROCEDURE middle ;
VAR
j: CARDINAL ;
PROCEDURE displayit ;
BEGIN
WriteCard(j, 0) ; WriteLn
END displayit ;
PROCEDURE inner ;
VAR
j: CARDINAL ;
BEGIN
j := 999
END inner ;
BEGIN
j := 222 ;
inner ;
displayit
END middle ;
BEGIN
j := 111 ;
WriteString('the answers on the next two lines should be 111 and 222') ; WriteLn ;
WriteCard(j, 0) ; WriteLn ;
middle
(* should yield 222 *)
END nestedproc.
|
