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[dh-make-perl] / dev / i386 / libperl-critic-perl / libperl-critic-perl-1.088 / lib / Perl / Critic / Policy / ClassHierarchies / ProhibitExplicitISA.pm

diff --git a/dev/i386/libperl-critic-perl/libperl-critic-perl-1.088/lib/Perl/Critic/Policy/ClassHierarchies/ProhibitExplicitISA.pm b/dev/i386/libperl-critic-perl/libperl-critic-perl-1.088/lib/Perl/Critic/Policy/ClassHierarchies/ProhibitExplicitISA.pm
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@@ -0,0 +1,93 @@
+##############################################################################
+#      $URL: http://perlcritic.tigris.org/svn/perlcritic/trunk/Perl-Critic/lib/Perl/Critic/Policy/ClassHierarchies/ProhibitExplicitISA.pm $
+#     $Date: 2008-07-03 10:19:10 -0500 (Thu, 03 Jul 2008) $
+#   $Author: clonezone $
+# $Revision: 2489 $
+##############################################################################
+
+package Perl::Critic::Policy::ClassHierarchies::ProhibitExplicitISA;
+
+use 5.006001;
+use strict;
+use warnings;
+use Readonly;
+
+use Perl::Critic::Utils qw{ :severities };
+use base 'Perl::Critic::Policy';
+
+our $VERSION = '1.088';
+
+#-----------------------------------------------------------------------------
+
+Readonly::Scalar my $DESC => q{@ISA used instead of "use base"}; ##no critic; #for @ in string
+Readonly::Scalar my $EXPL => [ 360 ];
+
+#-----------------------------------------------------------------------------
+
+sub supported_parameters { return ()                         }
+sub default_severity     { return $SEVERITY_MEDIUM           }
+sub default_themes       { return qw( core maintenance pbp ) }
+sub applies_to           { return 'PPI::Token::Symbol'       }
+
+#-----------------------------------------------------------------------------
+
+sub violates {
+    my ($self, $elem, undef) = @_;
+
+    if( $elem eq q{@ISA} ) {  ##no critic; #for @ in string
+        return $self->violation( $DESC, $EXPL, $elem );
+    }
+    return; #ok!
+}
+
+1;
+
+#-----------------------------------------------------------------------------
+
+__END__
+
+=pod
+
+=head1 NAME
+
+Perl::Critic::Policy::ClassHierarchies::ProhibitExplicitISA - Employ C<use base> instead of C<@ISA>.
+
+=head1 AFFILIATION
+
+This Policy is part of the core L<Perl::Critic> distribution.
+
+
+=head1 DESCRIPTION
+
+Conway recommends employing C<use base qw(Foo)> instead of the usual
+C<our @ISA = qw(Foo)> because the former happens at compile time and
+the latter at runtime.  The C<base> pragma also automatically loads
+C<Foo> for you so you save a line of easily-forgotten code.
+
+
+=head1 CONFIGURATION
+
+This Policy is not configurable except for the standard options.
+
+
+=head1 AUTHOR
+
+Chris Dolan <cdolan@cpan.org>
+
+=head1 COPYRIGHT
+
+Copyright (C) 2006 Chris Dolan.  All rights reserved.
+
+This program is free software; you can redistribute it and/or modify
+it under the same terms as Perl itself.
+
+=cut
+
+# Local Variables:
+#   mode: cperl
+#   cperl-indent-level: 4
+#   fill-column: 78
+#   indent-tabs-mode: nil
+#   c-indentation-style: bsd
+# End:
+# ex: set ts=8 sts=4 sw=4 tw=78 ft=perl expandtab shiftround :