use strict;
use constant {
DESC => 'Multiple "package" declarations',
EXPL => 'Limit to one per file',
};
sub evaluate {
my ($class, $file, $tokens, $args) = @_;
my @violations;
my $had_declared_package = 0;
for (my $i = 0; my $token = $tokens->[$i]; $i++) {
my $token_type = $token->{type};
if ($token_type == PACKAGE) {
unless ($had_declared_package) {
$had_declared_package = 1;
next;
}
push @violations, {
filename => $file,
line => $token->{line},
description => DESC,
explanation => EXPL,
policy => __PACKAGE__,
};
}
}
return \@violations;
}
1;