Initial Commit

database/perl/lib/Perl/PrereqScanner/NotQuiteLite/Parser/Unless.pm

@@ -0,0 +1,62 @@
+package Perl::PrereqScanner::NotQuiteLite::Parser::Unless;
+
+use strict;
+use warnings;
+use Perl::PrereqScanner::NotQuiteLite::Util;
+
+sub register { return {
+  use => {
+    unless => 'parse_unless_args',
+  },
+}}
+
+sub parse_unless_args {
+  my ($class, $c, $used_module, $raw_tokens) = @_;
+
+  while(my $token = shift @$raw_tokens) {
+    last if $token->[1] eq 'COMMA';
+  }
+
+  my $tokens = convert_string_tokens($raw_tokens);
+  my $module = shift @$tokens;
+  if (ref $module and ($module->[1] eq 'WORD' or $module->[1] eq 'KEYWORD')) {
+    $module = $module->[0];
+  }
+  if (is_module_name($module)) {
+    if (is_version($tokens->[0])) {
+      my $version = shift @$tokens;
+      $c->add_recommendation($module => $version);
+    } else {
+      $c->add_recommendation($module => 0);
+    }
+  } else {
+    push @{$c->{errors}}, "use unless module not found";
+  }
+}
+
+1;
+
+__END__
+
+=encoding utf-8
+
+=head1 NAME
+
+Perl::PrereqScanner::NotQuiteLite::Parser::Unless
+
+=head1 DESCRIPTION
+
+This parser is to deal with conditional loading by C<unless> module.
+
+=head1 AUTHOR
+
+Kenichi Ishigaki, E<lt>ishigaki@cpan.orgE<gt>
+
+=head1 COPYRIGHT AND LICENSE
+
+This software is copyright (c) 2017 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