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

diff --git a/dev/i386/libperl-critic-perl/libperl-critic-perl-1.088/lib/Perl/Critic/Policy/BuiltinFunctions/ProhibitStringyEval.pm b/dev/i386/libperl-critic-perl/libperl-critic-perl-1.088/lib/Perl/Critic/Policy/BuiltinFunctions/ProhibitStringyEval.pm
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+++ b/dev/i386/libperl-critic-perl/libperl-critic-perl-1.088/lib/Perl/Critic/Policy/BuiltinFunctions/ProhibitStringyEval.pm
@@ -0,0 +1,106 @@
+##############################################################################
+#      $URL: http://perlcritic.tigris.org/svn/perlcritic/trunk/Perl-Critic/lib/Perl/Critic/Policy/BuiltinFunctions/ProhibitStringyEval.pm $
+#     $Date: 2008-07-03 10:19:10 -0500 (Thu, 03 Jul 2008) $
+#   $Author: clonezone $
+# $Revision: 2489 $
+##############################################################################
+
+package Perl::Critic::Policy::BuiltinFunctions::ProhibitStringyEval;
+
+use 5.006001;
+use strict;
+use warnings;
+use Readonly;
+
+use Perl::Critic::Utils qw{ :severities :classification :ppi };
+use base 'Perl::Critic::Policy';
+
+our $VERSION = '1.088';
+
+#-----------------------------------------------------------------------------
+
+Readonly::Scalar my $DESC => q{Expression form of "eval"};
+Readonly::Scalar my $EXPL => [ 161 ];
+
+#-----------------------------------------------------------------------------
+
+sub supported_parameters { return ()                  }
+sub default_severity     { return $SEVERITY_HIGHEST   }
+sub default_themes       { return qw( core pbp bugs ) }
+sub applies_to           { return 'PPI::Token::Word'  }
+
+#-----------------------------------------------------------------------------
+
+sub violates {
+    my ( $self, $elem, undef ) = @_;
+
+    return if $elem ne 'eval';
+    return if ! is_function_call($elem);
+
+    my $arg = first_arg($elem);
+    return if !$arg;
+    return if $arg->isa('PPI::Structure::Block');
+
+    return $self->violation( $DESC, $EXPL, $elem );
+}
+
+1;
+
+__END__
+
+#-----------------------------------------------------------------------------
+
+=pod
+
+=head1 NAME
+
+Perl::Critic::Policy::BuiltinFunctions::ProhibitStringyEval - Write C<eval { my $foo; bar($foo) }> instead of C<eval "my $foo; bar($foo);">.
+
+=head1 AFFILIATION
+
+This Policy is part of the core L<Perl::Critic> distribution.
+
+
+=head1 DESCRIPTION
+
+The string form of C<eval> is recompiled every time it is executed,
+whereas the block form is only compiled once.  Also, the string form
+doesn't give compile-time warnings.
+
+  eval "print $foo";        #not ok
+  eval {print $foo};        #ok
+
+
+=head1 CONFIGURATION
+
+This Policy is not configurable except for the standard options.
+
+
+=head1 SEE ALSO
+
+L<Perl::Critic::Policy::ControlStrucutres::RequireBlockGrep>
+
+L<Perl::Critic::Policy::ControlStrucutres::RequireBlockMap>
+
+=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 :