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
|
package Perl::PrereqScanner::NotQuiteLite::Parser::UniversalVersion;
use strict;
use warnings;
use Perl::PrereqScanner::NotQuiteLite::Util;
sub register { return {
method => {
VERSION => 'parse_version_args',
},
}}
sub parse_version_args {
my ($class, $c, $raw_tokens) = @_;
my ($module_token, undef, undef, $args_tokens) = @$raw_tokens;
my $module = $module_token->[0];
return unless ref $args_tokens->[0];
my @tokens_in_parens = @{$args_tokens->[0] || []};
return if @tokens_in_parens > 1;
my $version_token = $tokens_in_parens[0];
my $module_version;
if ($version_token->[1] and $version_token->[1] eq 'NUMBER') {
$module_version = $version_token->[0];
} elsif (ref $version_token->[0]) {
$module_version = $version_token->[0][0];
} else {
return;
}
if ($module_version =~ /^v?[0-9._]+$/) {
$c->add_conditional($module => $module_version) if $c->has_added_conditional($module);
}
}
1;
__END__
=encoding utf-8
=head1 NAME
Perl::PrereqScanner::NotQuiteLite::Parser::UniversalVersion
=head1 DESCRIPTION
This parser is to deal with a VERSION method called by a module.
=head1 AUTHOR
Kenichi Ishigaki, E<lt>ishigaki@cpan.orgE<gt>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2015 by Kenichi Ishigaki.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
|
