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

diff --git a/dev/i386/libperl-critic-perl/libperl-critic-perl-1.088/lib/Perl/Critic/Policy/Subroutines/ProhibitBuiltinHomonyms.pm b/dev/i386/libperl-critic-perl/libperl-critic-perl-1.088/lib/Perl/Critic/Policy/Subroutines/ProhibitBuiltinHomonyms.pm
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+##############################################################################
+#      $URL: http://perlcritic.tigris.org/svn/perlcritic/trunk/Perl-Critic/lib/Perl/Critic/Policy/Subroutines/ProhibitBuiltinHomonyms.pm $
+#     $Date: 2008-07-03 10:19:10 -0500 (Thu, 03 Jul 2008) $
+#   $Author: clonezone $
+# $Revision: 2489 $
+##############################################################################
+
+package Perl::Critic::Policy::Subroutines::ProhibitBuiltinHomonyms;
+
+use 5.006001;
+use strict;
+use warnings;
+use Readonly;
+
+use Perl::Critic::Utils qw{ :severities :data_conversion :classification };
+use base 'Perl::Critic::Policy';
+
+our $VERSION = '1.088';
+
+#-----------------------------------------------------------------------------
+
+Readonly::Array my @ALLOW => qw( import AUTOLOAD DESTROY );
+Readonly::Hash my %ALLOW => hashify( @ALLOW );
+Readonly::Scalar my $DESC  => q{Subroutine name is a homonym for builtin function};
+Readonly::Scalar my $EXPL  => [177];
+
+#-----------------------------------------------------------------------------
+
+sub supported_parameters { return ()                    }
+sub default_severity     { return $SEVERITY_HIGH        }
+sub default_themes       { return qw( core bugs pbp )   }
+sub applies_to           { return 'PPI::Statement::Sub' }
+
+#-----------------------------------------------------------------------------
+
+sub violates {
+    my ( $self, $elem, undef ) = @_;
+    return if $elem->isa('PPI::Statement::Scheduled'); #e.g. BEGIN, INIT, END
+    return if exists $ALLOW{ $elem->name() };
+    if ( is_perl_builtin( $elem ) ) {
+        return $self->violation( $DESC, $EXPL, $elem );
+    }
+    return;    #ok!
+}
+
+1;
+
+__END__
+
+#-----------------------------------------------------------------------------
+
+=pod
+
+=head1 NAME
+
+Perl::Critic::Policy::Subroutines::ProhibitBuiltinHomonyms - Don't declare your own C<open> function.
+
+=head1 AFFILIATION
+
+This Policy is part of the core L<Perl::Critic> distribution.
+
+
+=head1 DESCRIPTION
+
+Common sense dictates that you shouldn't declare subroutines with the
+same name as one of Perl's built-in functions. See C<`perldoc
+perlfunc`> for a list of built-ins.
+
+  sub open {}  #not ok
+  sub exit {}  #not ok
+  sub print {} #not ok
+
+  #You get the idea...
+
+Exceptions are made for C<BEGIN>, C<END>, C<INIT> and C<CHECK> blocks,
+as well as C<AUTOLOAD>, C<DESTROY>, and C<import> subroutines.
+
+
+=head1 CONFIGURATION
+
+This Policy is not configurable except for the standard options.
+
+
+=head1 CAVEATS
+
+It is reasonable to declare an B<object> method with the same name as
+a Perl built-in function, since they are easily distinguished from
+each other.  However, at this time, Perl::Critic cannot tell whether a
+subroutine is static or an object method.
+
+=head1 AUTHOR
+
+Jeffrey Ryan Thalhammer <thaljef@cpan.org>
+
+=head1 COPYRIGHT
+
+Copyright (c) 2005-2008 Jeffrey Ryan Thalhammer.  All rights reserved.
+
+This program is free software; you can redistribute it and/or modify
+it under the same terms as Perl itself.  The full text of this license
+can be found in the LICENSE file included with this module.
+
+=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 :