mirror of
https://git.savannah.gnu.org/git/parallel.git
synced 2024-11-23 22:47:55 +00:00
47 lines
879 B
Perl
47 lines
879 B
Perl
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__
|
|
|