blob: 0790e6dae0927d2db4baeb7ea009cb52b6c78e3c (
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
|
dnl Copyright (C) 2006, 2010 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it
dnl with or without modifications, as long as this notice is preserved.
# no modules loaded yet
test
shadow
# define our own macros for `test' and `shadow'
define(`test', `local::`test'')
define(`shadow', `local::`shadow'')
test
shadow
# module Shadow defines `shadow' and `test' macros
load(`shadow')
dumpdef(`test')
dumpdef(`shadow')
test
shadow
# save the definition of `test' from the Shadow module
define(`Shadow::test', defn(`test'))
# module Test also defines a `test' macro
load(`modtest')
dumpdef(`test')
dumpdef(`shadow')
test
shadow
# Reloading Shadow shouldn't affect anything
load(`shadow')
dumpdef(`test')
dumpdef(`shadow')
test
shadow
# Unloading Test will unshadow the test definition in Shadow
unload(`modtest')
dumpdef(`test')
dumpdef(`shadow')
test
shadow
# Unloading Shadow once has no effect (we loaded it twice)
unload(`shadow')
dumpdef(`test')
dumpdef(`shadow')
test
shadow
# Unloading Shadow again will revert to copying `test' and the local
# `shadow' macro.
unload(`shadow')
test
shadow
|
