# Keep this < 1.00, so people can tell the fake
# mro.pm from the real one
-our $VERSION = '0.01_01';
+our $VERSION = '0.02';
BEGIN {
# Alias our private functions over to
# the mro:: namespace and load
# Class::C3 if Perl < 5.9.5
if($] < 5.009_005) {
- require Class::C3;
+ $mro::VERSION = $VERSION;
+ $INC{'mro.pm'} = 'Faked by MRO::Compat';
*mro::import = \&__import;
*mro::get_linear_isa = \&__get_linear_isa;
*mro::set_mro = \&__set_mro;
*mro::method_changed_in = \&__method_changed_in;
*mro::invalidate_all_method_caches
= \&__invalidate_all_method_caches;
- $mro::VERSION = $VERSION;
- $INC{'mro.pm'} = 'Faked by MRO::Compat';
+ require Class::C3;
+ if($Class::C3::XS::VERSION && $Class::C3::XS::VERSION > 0.03) {
+ *mro::get_pkg_gen = \&__get_pkg_gen_c3xs;
+ }
+ else {
+ *mro::get_pkg_gen = \&__get_pkg_gen_pp;
+ }
}
# Provide no-op Class::C3::.*initialize() funcs for 5.9.5+
here, and you want compatibility with older Perls, this
is the module for you.
+Some parts of this interface will work better with
+L<Class::C3::XS> installed, but it's not a requirement.
+
This module never exports any functions. All calls must
be fully qualified with the C<mro::> prefix.
-=head1 VERSION 0.01_01
+The interface documentation here serves only as a quick
+reference of what the function basically does, and what
+differences between L<MRO::Compat> and 5.9.5+ one should
+look out for. The main docs in 5.9.5's L<mro> are the real
+interface docs, and contain a lot of other useful information.
-This is the first dev release of this new module, and on top of that,
+=head1 VERSION 0.02
+
+This is the first release of this new module, and on top of that,
the Perl 5.9.5 it seeks to provide compatibility with isn't even
-out yet. Consider it not fully stabilized for the time being.
-These interfaces are not necessarily nailed down yet.
+out yet.
+
+If you're going to use/depend on this, please keep abreast of
+possible interface changes in the next few versions. Once Perl
+5.9.5 is out the door the interfaces should stabilize on whatever
+5.9.5 has to offer. In the meantime, don't be surprised if
+L<MRO::Compat> and 5.9.5's interfaces aren't perfectly in sync
+at all times.
=head1 Functions
=head2 mro::get_isarev($classname)
-Returns an array of classes who are subclasses of the
-given classname. In other words, classes who we exists,
+Returns an arrayref of classes who are subclasses of the
+given classname. In other words, classes who we exist,
however indirectly, in the @ISA inheritancy hierarchy of.
This is much slower on pre-5.9.5 Perls with MRO::Compat
my $classname = shift;
die "mro::get_isarev requires a classname" if !$classname;
- @{__get_isarev_recurse($classname, __get_all_pkgs_with_isas(), 0)};
+ __get_isarev_recurse($classname, __get_all_pkgs_with_isas(), 0);
}
=head2 mro::is_universal($classname)
Increments C<PL_sub_generation>, which invalidates method
caching in all packages.
+Please note that this is rarely necessary, unless you are
+dealing with a situation which is known to confuse Perl's
+method caching.
+
=cut
sub __invalidate_all_method_caches {
enforce the requirement that you pass it a classname, for
compatibility.
+Please note that this is rarely necessary, unless you are
+dealing with a situation which is known to confuse Perl's
+method caching.
+
=cut
sub __method_changed_in {
__invalidate_all_method_caches();
}
+=head2 mro::get_pkg_gen($classname)
+
+Returns an integer which is incremented every time a local
+method of or the C<@ISA> of the given package changes on
+Perl 5.9.5+. On earlier Perls with this L<MRO::Compat> module,
+it will probably increment a lot more often than necessary.
+
+=cut
+
+my $__pkg_gen = 2;
+sub __get_pkg_gen_pp {
+ my $classname = shift;
+ die "mro::get_pkg_gen requires a classname" if !$classname;
+ return $__pkg_gen++;
+}
+
+sub __get_pkg_gen_c3xs {
+ my $classname = shift;
+ die "mro::get_pkg_gen requires a classname" if !$classname;
+
+ return Class::C3::XS::_plsubgen();
+}
+
=head1 USING C3
While this module makes the 5.9.5+ syntaxes
projects / gitmo/MRO-Compat.git / commitdiff