X-Git-Url: http://git.vpit.fr/?a=blobdiff_plain;f=README;h=c8d4438069cd48b8c935dbfb0066d55407211097;hb=9e1c36b4c0f232d32543bae20c0510cca7c287ea;hp=8314442088b644472daec1bd00c0e627a978ebb8;hpb=0c1863b0153133bf01e864e83948f2ee2b09f4e0;p=perl%2Fmodules%2Findirect.git diff --git a/README b/README index 8314442..c8d4438 100644 --- a/README +++ b/README @@ -2,18 +2,30 @@ NAME indirect - Lexically warn about using the indirect object syntax. VERSION - Version 0.06 + Version 0.12 SYNOPSIS + # In a script no indirect; my $x = new Apple 1, 2, 3; # warns { use indirect; my $y = new Pear; # ok + { + no indirect hook => sub { die "You really wanted $_[0]\->$_[1]" }; + my $z = new Pineapple 'fresh'; # croaks 'You really wanted Pineapple->new' + } } no indirect ':fatal'; if (defied $foo) { ... } # croaks, note the typo + # From the command-line + perl -M-indirect -e 'my $x = new Banana;' # warns + + # Or each time perl is ran + export PERL5OPT="-M-indirect" + perl -e 'my $y = new Coconut;' # warns + DESCRIPTION When enabled (or disabled as some may prefer to say, since you actually turn it on by calling "no indirect"), this pragma warns about indirect @@ -30,16 +42,37 @@ DESCRIPTION This module is not a source filter. METHODS - "unimport @opts" + "unimport [ hook => $hook | ':fatal' ]" Magically called when "no indirect @opts" is encountered. Turns the - module on. If @opts contains ':fatal', the module will croak on the - first indirect syntax met. + module on. The policy to apply depends on what is first found in @opts : + + * If it's the string ':fatal', the compilation will croak on the first + indirect syntax met. + + * If the key/value pair "hook => $hook" comes first, $hook will be + called for each error with the object name as $_[0] and the method + name as $_[1]. + + * Otherwise, a warning will be emitted for each indirect construct. "import" Magically called at each "use indirect". Turns the module off. +CONSTANTS + "I_THREADSAFE" + True iff the module could have been built when thread-safety features. + +CAVEATS + "meth $obj" (no semicolon) at the end of a file won't be seen as an + indirect object syntax, although it will as soon as there is another + token before the end (as in "meth $obj;" or "meth $obj 1"). + + With 5.8 perls, the pragma does not propagate into "eval STRING". This + is due to a shortcoming in the way perl handles the hints hash, which is + addressed in perl 5.10. + DEPENDENCIES - perl 5.9.4. + perl 5.8. XSLoader (standard since perl 5.006). @@ -67,7 +100,7 @@ ACKNOWLEDGEMENTS Bram, for motivation and advices. COPYRIGHT & LICENSE - Copyright 2008 Vincent Pit, all rights reserved. + Copyright 2008-2009 Vincent Pit, all rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.