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Direktori : /lib/x86_64-linux-gnu/perl-base/ |
Current File : //lib/x86_64-linux-gnu/perl-base/strict.pm |
package strict; $strict::VERSION = "1.12"; my ( %bitmask, %explicit_bitmask ); BEGIN { # Verify that we're called correctly so that strictures will work. # Can't use Carp, since Carp uses us! # see also warnings.pm. die sprintf "Incorrect use of pragma '%s' at %s line %d.\n", __PACKAGE__, +(caller)[1,2] if __FILE__ !~ ( '(?x) \b '.__PACKAGE__.' \.pmc? \z' ) && __FILE__ =~ ( '(?x) \b (?i:'.__PACKAGE__.') \.pmc? \z' ); %bitmask = ( refs => 0x00000002, subs => 0x00000200, vars => 0x00000400, ); %explicit_bitmask = ( refs => 0x00000020, subs => 0x00000040, vars => 0x00000080, ); my $bits = 0; $bits |= $_ for values %bitmask; my $inline_all_bits = $bits; *all_bits = sub () { $inline_all_bits }; $bits = 0; $bits |= $_ for values %explicit_bitmask; my $inline_all_explicit_bits = $bits; *all_explicit_bits = sub () { $inline_all_explicit_bits }; } sub bits { my $bits = 0; my @wrong; foreach my $s (@_) { if (exists $bitmask{$s}) { $^H |= $explicit_bitmask{$s}; $bits |= $bitmask{$s}; } else { push @wrong, $s; } } if (@wrong) { require Carp; Carp::croak("Unknown 'strict' tag(s) '@wrong'"); } $bits; } sub import { shift; $^H |= @_ ? &bits : all_bits | all_explicit_bits; } sub unimport { shift; if (@_) { $^H &= ~&bits; } else { $^H &= ~all_bits; $^H |= all_explicit_bits; } } 1; __END__