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