forked from bonnu/encomp
/
Exporter.pm
42 lines (34 loc) · 1.01 KB
/
Exporter.pm
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
package Encomp::Exporter;
use Encomp::Util;
use parent qw/Exporter/;
use Encomp::Exporter::Spec;
use Carp qw/croak/;
our @EXPORT = qw/setup_sugar_features sugar_feature/;
sub import {
my ($class) = @_;
$^H |= Encomp::Util::strict_bits; # strict->import;
${^WARNING_BITS} = $warnings::Bits{all}; # warnings->import;
$class->export_to_level(1, @_);
}
sub setup_sugar_features {
my $caller = caller;
croak 'This function should not be called from main' if $caller eq 'main';
Encomp::Exporter::Spec::build_spec($caller, @_);
Encomp::Util::reinstall_subroutine(
$caller,
import => Encomp::Exporter::Spec::build_import ($caller),
unimport => Encomp::Exporter::Spec::build_unimport($caller),
);
}
our $CALLER;
sub sugar_feature {
my ($name, $code) = @_;
my $caller = caller;
my $wrap = sub {
unshift @_, $CALLER || scalar caller;
goto $code;
};
Encomp::Util::reinstall_subroutine($caller, $name => $wrap);
}
1;
__END__