use strict;
use warnings;
package Perl::PrereqScanner::Scanner::Superclass;
# ABSTRACT: scan for modules loaded with superclass.pm
$Perl::PrereqScanner::Scanner::Superclass::VERSION = '1.022';
use Moose;
with 'Perl::PrereqScanner::Scanner';
#pod =head1 DESCRIPTION
#pod
#pod This scanner will look for dependencies from the L<superclass> module:
#pod
#pod use superclass 'Foo', Bar => 1.23;
#pod
#pod =cut
my $mod_re = qr/^[A-Z_a-z][0-9A-Z_a-z]*(?:(?:::|')[0-9A-Z_a-z]+)*$/;
sub scan_for_prereqs {
my ( $self, $ppi_doc, $req ) = @_;
# regular use, require, and no
my $includes = $ppi_doc->find('Statement::Include') || [];
for my $node (@$includes) {
# inheritance
if ( $node->module eq 'superclass' ) {
# rt#55713: skip arguments like '-norequires', focus only on inheritance
my @meat = grep {
$_->isa('PPI::Token::QuoteLike::Words')
|| $_->isa('PPI::Token::Quote')
|| $_->isa('PPI::Token::Number')
} $node->arguments;
my @args = map { $self->_q_contents($_) } @meat;
while (@args) {
my $module = shift @args;
my $version = ( @args && $args[0] !~ $mod_re ) ? shift(@args) : 0;
$req->add_minimum( $module => $version );
}
}
}
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Perl::PrereqScanner::Scanner::Superclass - scan for modules loaded with superclass.pm
=head1 VERSION
version 1.022
=head1 DESCRIPTION
This scanner will look for dependencies from the L<superclass> module:
use superclass 'Foo', Bar => 1.23;
=head1 AUTHORS
=over 4
=item *
Jerome Quelin
=item *
Ricardo Signes <rjbs@cpan.org>
=back
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2009 by Jerome Quelin.
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