X-Git-Url: http://git.vpit.fr/?p=perl%2Fmodules%2Findirect.git;a=blobdiff_plain;f=README;h=c8d4438069cd48b8c935dbfb0066d55407211097;hp=e1c879f449af30cb2a894e62e899d1ed867725db;hb=15dd94862a140482eef5e8fd8c01defc7278bfe5;hpb=3c81a3a328eb9c7ddf4df0bc7583f0c6b2e15145 diff --git a/README b/README index e1c879f..c8d4438 100644 --- a/README +++ b/README @@ -2,18 +2,30 @@ NAME indirect - Lexically warn about using the indirect object syntax. VERSION - Version 0.11 + 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 @@ -30,14 +42,26 @@ 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