2 indirect - Lexically warn about using the indirect object syntax.
9 my $x = new Apple 1, 2, 3; # warns
12 my $y = new Pear; # ok
15 if (defied $foo) { ... } # croaks, note the typo
18 When enabled (or disabled as some may prefer to say, since you actually
19 turn it on by calling "no indirect"), this pragma warns about indirect
20 object syntax constructs that may have slipped into your code. This
21 syntax is now considered harmful, since its parsing has many quirks and
22 its use is error prone (when "sub" isn't defined, "sub $x" is actually
23 interpreted as "$x->sub").
25 It currently does not warn when the object is enclosed between braces
26 (like "meth { $obj } @args") or for core functions ("print" or "say").
27 This may change in the future, or may be added as optional features that
28 would be enabled by passing options to "unimport".
30 This module is not a source filter.
34 Magically called when "no indirect @opts" is encountered. Turns the
35 module on. If @opts contains ':fatal', the module will croak on the
36 first indirect syntax met.
39 Magically called at each "use indirect". Turns the module off.
44 XSLoader (standard since perl 5.006).
47 "meth $obj" (no semicolon) at the end of a file won't be seen as an
48 indirect object syntax, although it will as soon as there is another
49 token before the end (as in "meth $obj;" or "meth $obj 1").
51 With 5.8 perls, the pragma does not propagate into "eval STRING". This
52 is due to a shortcoming in the way perl handles the hints hash, which is
53 addressed in perl 5.10.
56 Vincent Pit, "<perl at profvince.com>", <http://www.profvince.com>.
58 You can contact me by mail or on "irc.perl.org" (vincent).
61 Please report any bugs or feature requests to "bug-indirect at
62 rt.cpan.org", or through the web interface at
63 <http://rt.cpan.org/NoAuth/ReportBug.html?Queue=indirect>. I will be
64 notified, and then you'll automatically be notified of progress on your
65 bug as I make changes.
68 You can find documentation for this module with the perldoc command.
72 Tests code coverage report is available at
73 <http://www.profvince.com/perl/cover/indirect>.
76 Bram, for motivation and advices.
79 Copyright 2008 Vincent Pit, all rights reserved.
81 This program is free software; you can redistribute it and/or modify it
82 under the same terms as Perl itself.