line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
1
|
|
|
|
|
|
|
######################################################################## |
2
|
|
|
|
|
|
|
# housekeeping |
3
|
|
|
|
|
|
|
######################################################################## |
4
|
|
|
|
|
|
|
|
5
|
|
|
|
|
|
|
package Exporter::Proxy; |
6
|
|
|
|
|
|
|
|
7
|
6
|
|
|
6
|
|
4241
|
use v5.12; |
|
6
|
|
|
|
|
18
|
|
8
|
6
|
|
|
6
|
|
29
|
use strict; |
|
6
|
|
|
|
|
11
|
|
|
6
|
|
|
|
|
127
|
|
9
|
|
|
|
|
|
|
|
10
|
6
|
|
|
6
|
|
37
|
use Carp; |
|
6
|
|
|
|
|
9
|
|
|
6
|
|
|
|
|
461
|
|
11
|
|
|
|
|
|
|
|
12
|
6
|
|
|
6
|
|
30
|
use List::Util qw( first ); |
|
6
|
|
|
|
|
10
|
|
|
6
|
|
|
|
|
561
|
|
13
|
6
|
|
|
6
|
|
4686
|
use Symbol qw( qualify_to_ref ); |
|
6
|
|
|
|
|
5401
|
|
|
6
|
|
|
|
|
5886
|
|
14
|
|
|
|
|
|
|
|
15
|
|
|
|
|
|
|
######################################################################## |
16
|
|
|
|
|
|
|
# package variables |
17
|
|
|
|
|
|
|
######################################################################## |
18
|
|
|
|
|
|
|
|
19
|
|
|
|
|
|
|
our $VERSION = '1.4'; |
20
|
|
|
|
|
|
|
$VERSION = eval $VERSION; |
21
|
|
|
|
|
|
|
|
22
|
|
|
|
|
|
|
my $disp_list = 'DISPATCH_OK'; |
23
|
|
|
|
|
|
|
|
24
|
|
|
|
|
|
|
######################################################################## |
25
|
|
|
|
|
|
|
# utility functions |
26
|
|
|
|
|
|
|
######################################################################## |
27
|
|
|
|
|
|
|
|
28
|
|
|
|
|
|
|
######################################################################## |
29
|
|
|
|
|
|
|
# methods (public interface) |
30
|
|
|
|
|
|
|
######################################################################## |
31
|
|
|
|
|
|
|
|
32
|
|
|
|
|
|
|
sub import |
33
|
|
|
|
|
|
|
{ |
34
|
5
|
|
|
0
|
|
48
|
state $stub = sub{}; |
|
|
|
|
5
|
|
|
|
35
|
|
|
|
|
|
|
|
36
|
|
|
|
|
|
|
# discard this package. |
37
|
|
|
|
|
|
|
# left on the stack are assignment operators and |
38
|
|
|
|
|
|
|
# exported names. |
39
|
|
|
|
|
|
|
|
40
|
5
|
|
|
|
|
10
|
shift; |
41
|
|
|
|
|
|
|
|
42
|
|
|
|
|
|
|
# use "$source" avoid colliding with '$caller' in the |
43
|
|
|
|
|
|
|
# exported subs. |
44
|
|
|
|
|
|
|
|
45
|
5
|
|
|
|
|
11
|
my $source = caller; |
46
|
5
|
|
|
|
|
11
|
my @exportz = grep { ! /=/ } @_; |
|
8
|
|
|
|
|
95
|
|
47
|
|
|
|
|
|
|
my %argz |
48
|
|
|
|
|
|
|
= map |
49
|
|
|
|
|
|
|
{ |
50
|
5
|
|
|
|
|
16
|
split /=/, $_, 2 |
|
2
|
|
|
|
|
11
|
|
51
|
|
|
|
|
|
|
} |
52
|
|
|
|
|
|
|
grep /=/, @_; |
53
|
|
|
|
|
|
|
|
54
|
|
|
|
|
|
|
# maybe carp about extraneous arguments here? |
55
|
|
|
|
|
|
|
|
56
|
5
|
|
100
|
|
|
48
|
my $disp = delete $argz{ dispatch } || ''; |
57
|
5
|
|
50
|
|
|
53
|
my $preproc = delete $argz{ prefilter } || ''; |
58
|
|
|
|
|
|
|
|
59
|
|
|
|
|
|
|
# if a dispatcher is being used then it must |
60
|
|
|
|
|
|
|
# be exported. in most cases this will be the |
61
|
|
|
|
|
|
|
# only thing exported. |
62
|
|
|
|
|
|
|
|
63
|
5
|
100
|
|
|
|
19
|
if( $disp ) |
64
|
|
|
|
|
|
|
{ |
65
|
2
|
|
|
|
|
8
|
my $list = qualify_to_ref $disp_list, $source; |
66
|
|
|
|
|
|
|
|
67
|
2
|
|
|
2
|
|
6
|
first { $disp eq $_ } @exportz |
68
|
2
|
50
|
|
|
|
64
|
or push @exportz, $disp; |
69
|
|
|
|
|
|
|
|
70
|
2
|
50
|
|
|
|
30
|
unless( $source->can( $disp ) ) |
71
|
|
|
|
|
|
|
{ |
72
|
2
|
|
|
|
|
10
|
my $sub = qualify_to_ref $disp, $source; |
73
|
2
|
|
|
|
|
34
|
my $can = qualify_to_ref $disp_list, $source; |
74
|
|
|
|
|
|
|
|
75
|
2
|
50
|
|
|
|
28
|
if( my $sanity = *{ $can }{ ARRAY } ) |
|
2
|
|
|
|
|
9
|
|
76
|
|
|
|
|
|
|
{ |
77
|
|
|
|
|
|
|
*$sub |
78
|
|
|
|
|
|
|
= sub |
79
|
|
|
|
|
|
|
{ |
80
|
0
|
|
|
0
|
|
0
|
my $op = splice @_, 1, 1; |
81
|
|
|
|
|
|
|
|
82
|
0
|
|
|
|
|
0
|
first { $op eq $_ } @$sanity |
83
|
|
|
|
|
|
|
or do |
84
|
0
|
0
|
|
|
|
0
|
{ |
85
|
0
|
|
|
|
|
0
|
local $" = ' '; |
86
|
|
|
|
|
|
|
|
87
|
0
|
|
|
|
|
0
|
confess "Bogus $disp: '$op' not in @$sanity" |
88
|
|
|
|
|
|
|
}; |
89
|
|
|
|
|
|
|
|
90
|
|
|
|
|
|
|
# this could happen if someone plays with |
91
|
|
|
|
|
|
|
# the symbol table after installing the sub. |
92
|
|
|
|
|
|
|
|
93
|
0
|
0
|
|
|
|
0
|
my $handler = $source->can( $op ) |
94
|
|
|
|
|
|
|
or croak "Bogus $disp: $source cannot '$op'"; |
95
|
|
|
|
|
|
|
|
96
|
0
|
|
|
|
|
0
|
goto &$handler |
97
|
0
|
|
|
|
|
0
|
}; |
98
|
|
|
|
|
|
|
} |
99
|
|
|
|
|
|
|
else |
100
|
|
|
|
|
|
|
{ |
101
|
|
|
|
|
|
|
*$sub |
102
|
|
|
|
|
|
|
= sub |
103
|
|
|
|
|
|
|
{ |
104
|
4
|
|
|
4
|
|
24356
|
my $op = splice @_, 1, 1; |
105
|
|
|
|
|
|
|
|
106
|
4
|
50
|
|
|
|
35
|
my $handler = $source->can( $op ) |
107
|
|
|
|
|
|
|
or croak "Bogus $disp: $source cannot '$op'"; |
108
|
|
|
|
|
|
|
|
109
|
4
|
|
|
|
|
17
|
goto &$handler |
110
|
2
|
|
|
|
|
10
|
}; |
111
|
|
|
|
|
|
|
} |
112
|
|
|
|
|
|
|
} |
113
|
|
|
|
|
|
|
} |
114
|
|
|
|
|
|
|
|
115
|
|
|
|
|
|
|
my $pre_handler |
116
|
|
|
|
|
|
|
= do |
117
|
5
|
|
|
|
|
7
|
{ |
118
|
5
|
50
|
|
|
|
15
|
if( $preproc ) |
119
|
|
|
|
|
|
|
{ |
120
|
|
|
|
|
|
|
sub |
121
|
|
|
|
|
|
|
{ |
122
|
0
|
0
|
|
0
|
|
0
|
my $handler = $source->can( $preproc ) |
123
|
|
|
|
|
|
|
or die "$source cannot '$preproc'\n"; |
124
|
|
|
|
|
|
|
|
125
|
0
|
|
|
|
|
0
|
&$handler |
126
|
|
|
|
|
|
|
} |
127
|
0
|
|
|
|
|
0
|
} |
128
|
|
|
|
|
|
|
else |
129
|
|
|
|
|
|
|
{ |
130
|
|
|
|
4
|
|
|
state $stub = sub{} |
131
|
5
|
|
|
|
|
17
|
} |
132
|
|
|
|
|
|
|
}; |
133
|
|
|
|
|
|
|
|
134
|
|
|
|
|
|
|
@exportz |
135
|
5
|
50
|
|
|
|
18
|
or carp "Oddity: nothing requested for export!"; |
136
|
|
|
|
|
|
|
|
137
|
5
|
|
|
|
|
16
|
my $exports = qualify_to_ref 'exports', $source; |
138
|
5
|
|
|
|
|
103
|
my $import = qualify_to_ref 'import', $source; |
139
|
|
|
|
|
|
|
|
140
|
5
|
|
|
|
|
164
|
undef &{ *$_ } for ( $exports, $import ); |
|
10
|
|
|
|
|
65
|
|
141
|
|
|
|
|
|
|
|
142
|
|
|
|
|
|
|
*$exports |
143
|
|
|
|
|
|
|
= sub |
144
|
|
|
|
|
|
|
{ |
145
|
|
|
|
|
|
|
# avoid giving away ref's to the closed-over |
146
|
|
|
|
|
|
|
# variable. |
147
|
|
|
|
|
|
|
|
148
|
|
|
|
|
|
|
wantarray |
149
|
|
|
|
|
|
|
? @exportz |
150
|
4
|
50
|
|
4
|
|
2640
|
: [ @exportz ] |
151
|
5
|
|
|
|
|
22
|
}; |
152
|
|
|
|
|
|
|
|
153
|
|
|
|
|
|
|
*$import |
154
|
|
|
|
|
|
|
= sub |
155
|
|
|
|
|
|
|
{ |
156
|
|
|
|
|
|
|
# discard the package as first argument: |
157
|
|
|
|
|
|
|
# $pkg->import |
158
|
|
|
|
|
|
|
|
159
|
4
|
|
|
4
|
|
81
|
shift; |
160
|
|
|
|
|
|
|
|
161
|
4
|
|
|
|
|
12
|
my $caller = caller; |
162
|
|
|
|
|
|
|
|
163
|
|
|
|
|
|
|
# allow the caller to pre-process the arguments. |
164
|
|
|
|
|
|
|
# notice this happens *before* ":noexport" is |
165
|
|
|
|
|
|
|
# processed. |
166
|
|
|
|
|
|
|
|
167
|
4
|
|
|
|
|
15
|
&$pre_handler; |
168
|
|
|
|
|
|
|
|
169
|
|
|
|
|
|
|
# empty list => use @exportz. |
170
|
|
|
|
|
|
|
# :noexport => use empty list. |
171
|
|
|
|
|
|
|
|
172
|
4
|
50
|
|
3
|
|
51
|
if( first { ':noexport' eq $_ } @_ ) |
|
3
|
100
|
|
|
|
15
|
|
173
|
|
|
|
|
|
|
{ |
174
|
0
|
|
|
|
|
0
|
@_ = (); |
175
|
|
|
|
|
|
|
} |
176
|
|
|
|
|
|
|
elsif( @_ ) |
177
|
|
|
|
|
|
|
{ |
178
|
|
|
|
|
|
|
# nothing more for the moment. |
179
|
|
|
|
|
|
|
} |
180
|
|
|
|
|
|
|
else |
181
|
|
|
|
|
|
|
{ |
182
|
2
|
|
|
|
|
7
|
@_ = @exportz; |
183
|
|
|
|
|
|
|
} |
184
|
|
|
|
|
|
|
|
185
|
|
|
|
|
|
|
# resolve these at runtime to account for |
186
|
|
|
|
|
|
|
# possible autoloading, etc. |
187
|
|
|
|
|
|
|
|
188
|
4
|
|
|
|
|
20
|
for my $arg ( @_ ) |
189
|
|
|
|
|
|
|
{ |
190
|
5
|
50
|
|
|
|
24
|
index $arg, ':' |
191
|
|
|
|
|
|
|
or next; |
192
|
|
|
|
|
|
|
|
193
|
5
|
50
|
|
7
|
|
47
|
if( first { $arg eq $_ } @exportz ) |
|
7
|
|
|
|
|
38
|
|
194
|
|
|
|
|
|
|
{ |
195
|
5
|
|
|
|
|
24
|
my $source = qualify_to_ref $arg, $source; |
196
|
5
|
|
|
|
|
117
|
my $install = qualify_to_ref $arg, $caller; |
197
|
|
|
|
|
|
|
|
198
|
5
|
|
|
|
|
109
|
*$install = *$source; |
199
|
|
|
|
|
|
|
} |
200
|
|
|
|
|
|
|
else |
201
|
|
|
|
|
|
|
{ |
202
|
0
|
|
|
|
|
0
|
die "Bogus $source: '$arg' not exported"; |
203
|
|
|
|
|
|
|
} |
204
|
|
|
|
|
|
|
} |
205
|
5
|
|
|
|
|
24
|
}; |
206
|
|
|
|
|
|
|
|
207
|
|
|
|
|
|
|
return |
208
|
5
|
|
|
|
|
425
|
} |
209
|
|
|
|
|
|
|
|
210
|
|
|
|
|
|
|
# keep require happy |
211
|
|
|
|
|
|
|
|
212
|
|
|
|
|
|
|
1 |
213
|
|
|
|
|
|
|
|
214
|
|
|
|
|
|
|
__END__ |