use strict;
use constant {
DESC => 'Heredoc terminator must not be a special literal',
EXPL => 'Used "%s" as heredoc terminator',
};
sub evaluate {
my ($class, $file, $tokens, $args) = @_;
my @violations;
for (my $i = 0; my $token = $tokens->[$i]; $i++) {
my $token_type = $token->{type};
if ($token_type == HERE_DOCUMENT_TAG || $token_type == HERE_DOCUMENT_RAW_TAG || $token_type == HERE_DOCUMENT_BARE_TAG) {
my $token_data = $token->{data};
if (
$token_data eq '__FILE__' ||
$token_data eq '__LINE__' ||
$token_data eq '__PACKAGE__' ||
$token_data eq '__END__' ||
$token_data eq '__DATA__'
) {
push @violations, {
filename => $file,
line => $token->{line},
description => DESC,
explanation => sprintf(EXPL, $token_data),
policy => __PACKAGE__,
};
}
}
}
return \@violations;
}
1;