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package strict;
$strict::VERSION = "1.04";
# Verify that we're called correctly so that strictures will work.
unless ( __FILE__ =~ /(^|[\/\\])\Q${\__PACKAGE__}\E\.pmc?$/ ) {
# Can't use Carp, since Carp uses us!
my (undef, $f, $l) = caller;
die("Incorrect use of pragma '${\__PACKAGE__}' at $f line $l.\n");
}
my %bitmask = (
refs => 0x00000002,
subs => 0x00000200,
vars => 0x00000400
);
sub bits {
my $bits = 0;
my @wrong;
foreach my $s (@_) {
push @wrong, $s unless exists $bitmask{$s};
$bits |= $bitmask{$s} || 0;
}
if (@wrong) {
require Carp;
Carp::croak("Unknown 'strict' tag(s) '@wrong'");
}
$bits;
}
my $default_bits = bits(qw(refs subs vars));
sub import {
shift;
$^H |= @_ ? bits(@_) : $default_bits;
}
sub unimport {
shift;
$^H &= ~ (@_ ? bits(@_) : $default_bits);
}
1;
__END__
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