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authorGurusamy Sarathy <gsar@cpan.org>1998-05-18 09:40:58 +0000
committerGurusamy Sarathy <gsar@cpan.org>1998-05-18 09:40:58 +0000
commit3666098248b43282bda1153dae2f4c1e4af38d09 (patch)
tree9c69a323f89cdd81b231dc630b0eaf134225da7a /lib/strict.pm
parent9e6b2b00f0190751b970ece3db7033405cb08ca5 (diff)
parentd2719217c9b7910115cef7ea0c16d68e6b286cf7 (diff)
downloadperl-3666098248b43282bda1153dae2f4c1e4af38d09.tar.gz
[asperl] integrate mainline changes (untested)
p4raw-id: //depot/asperl@1010
Diffstat (limited to 'lib/strict.pm')
-rw-r--r--lib/strict.pm22
1 files changed, 15 insertions, 7 deletions
diff --git a/lib/strict.pm b/lib/strict.pm
index 8492e933fd..940e8bf7ff 100644
--- a/lib/strict.pm
+++ b/lib/strict.pm
@@ -38,6 +38,7 @@ use symbolic references (see L<perlref>).
=item C<strict vars>
This generates a compile-time error if you access a variable that wasn't
+declared via C<use vars>,
localized via C<my()> or wasn't fully qualified. Because this is to avoid
variable suicide problems and subtle dynamic scoping issues, a merely
local() variable isn't good enough. See L<perlfunc/my> and
@@ -48,6 +49,10 @@ L<perlfunc/local>.
my $foo = 10; # ok, my() var
local $foo = 9; # blows up
+ package Cinna;
+ use vars qw/ $bar /; # Declares $bar in current package
+ $bar = 'HgS'; # ok, global declared via pragma
+
The local() generated a compile-time error because you just touched a global
name without fully qualifying it.
@@ -67,19 +72,22 @@ appears in curly braces or on the left hand side of the "=E<gt>" symbol.
=back
-See L<perlmod/Pragmatic Modules>.
+See L<perlmodlib/Pragmatic Modules>.
=cut
+$strict::VERSION = "1.01";
+
+my %bitmask = (
+refs => 0x00000002,
+subs => 0x00000200,
+vars => 0x00000400
+);
+
sub bits {
my $bits = 0;
- my $sememe;
- foreach $sememe (@_) {
- $bits |= 0x00000002, next if $sememe eq 'refs';
- $bits |= 0x00000200, next if $sememe eq 'subs';
- $bits |= 0x00000400, next if $sememe eq 'vars';
- }
+ foreach my $s (@_){ $bits |= $bitmask{$s} || 0; };
$bits;
}