use MRO::Compat;
use Carp 'confess';
-use Scalar::Util 'weaken';
-
+use Devel::GlobalDestruction qw( in_global_destruction );
+use Scalar::Util 'weaken', 'reftype';
+use Sub::Name qw( subname );
use Class::MOP::Class;
use Class::MOP::Attribute;
*check_package_cache_flag = \&mro::get_pkg_gen;
}
-our $VERSION = '0.67';
+our $VERSION = '0.77_01';
our $XS_VERSION = $VERSION;
$VERSION = eval $VERSION;
our $AUTHORITY = 'cpan:STEVAN';
-
-# after that everything is loaded, if we're allowed try to load faster XS
-# versions of various things
-_try_load_xs() or _load_pure_perl();
-
-sub _try_load_xs {
- return if $ENV{CLASS_MOP_NO_XS};
-
- my $e = do {
- local $@;
- eval {
- require XSLoader;
- # just doing this - no warnings 'redefine' - doesn't work
- # for some reason
- local $^W = 0;
- __PACKAGE__->XSLoader::load($XS_VERSION);
-
- require Sub::Name;
- Sub::Name->import(qw(subname));
-
- require Devel::GlobalDestruction;
- Devel::GlobalDestruction->import("in_global_destruction");
- };
- $@;
- };
- die $e if $e && $e !~ /object version|loadable object/;
-
- return $e ? 0 : 1;
-}
-
-sub _load_pure_perl {
- require Sub::Identify;
- Sub::Identify->import('get_code_info');
-
- *subname = sub { $_[1] };
- *in_global_destruction = sub () { !1 }
-}
+require XSLoader;
+XSLoader::load( __PACKAGE__, $XS_VERSION );
{
}
sub load_first_existing_class {
- my @classes = @_;
+ my @classes = @_
+ or return;
foreach my $class (@classes) {
unless ( _is_valid_class_name($class) ) {
}
}
- if ($found) {
- return get_metaclass_by_name($found) || $found;
- }
+ return $found if $found;
confess join(
"\n",
map {
sprintf(
- "Could not load class (%s) because: %s", $_,
+ "Could not load class (%s) because : %s", $_,
$exceptions{$_}
)
} @classes
- ) if keys %exceptions;
+ );
}
sub _try_load_one_class {
}
sub load_class {
- load_first_existing_class($_[0]);
+ my $class = load_first_existing_class($_[0]);
+ return get_metaclass_by_name($class) || $class;
}
sub _is_valid_class_name {
return 0;
}
-sub is_class_loaded {
- my $class = shift;
-
- return 0 if ref($class) || !defined($class) || !length($class);
-
- # walk the symbol table tree to avoid autovififying
- # \*{${main::}{"Foo::"}} == \*main::Foo::
-
- my $pack = \*::;
- foreach my $part (split('::', $class)) {
- return 0 unless exists ${$$pack}{"${part}::"};
- $pack = \*{${$$pack}{"${part}::"}};
- }
-
- # check for $VERSION or @ISA
- return 1 if exists ${$$pack}{VERSION}
- && defined *{${$$pack}{VERSION}}{SCALAR};
- return 1 if exists ${$$pack}{ISA}
- && defined *{${$$pack}{ISA}}{ARRAY};
-
- # check for any method
- foreach ( keys %{$$pack} ) {
- next if substr($_, -2, 2) eq '::';
-
- my $glob = ${$$pack}{$_} || next;
-
- # constant subs
- if ( IS_RUNNING_ON_5_10 ) {
- return 1 if ref $glob eq 'SCALAR';
- }
-
- return 1 if defined *{$glob}{CODE};
- }
-
- # fail
- return 0;
-}
-
-
## ----------------------------------------------------------------------------
## Setting up our environment ...
## ----------------------------------------------------------------------------
);
Class::MOP::Class->meta->add_attribute(
+ Class::MOP::Attribute->new('wrapped_method_metaclass' => (
+ reader => {
+ # NOTE:
+ # we just alias the original method
+ # rather than re-produce it here
+ 'wrapped_method_metaclass' => \&Class::MOP::Class::wrapped_method_metaclass
+ },
+ default => 'Class::MOP::Method::Wrapped',
+ ))
+);
+
+Class::MOP::Class->meta->add_attribute(
Class::MOP::Attribute->new('instance_metaclass' => (
reader => {
# NOTE: we need to do this in order
);
Class::MOP::Attribute->meta->add_attribute(
+ Class::MOP::Attribute->new('definition_context' => (
+ reader => { 'definition_context' => \&Class::MOP::Attribute::definition_context },
+ ))
+);
+
+Class::MOP::Attribute->meta->add_attribute(
Class::MOP::Attribute->new('writer' => (
reader => { 'writer' => \&Class::MOP::Attribute::writer },
predicate => { 'has_writer' => \&Class::MOP::Attribute::has_writer },
))
);
+Class::MOP::Method::Generated->meta->add_attribute(
+ Class::MOP::Attribute->new('definition_context' => (
+ reader => { 'definition_context' => \&Class::MOP::Method::Generated::definition_context },
+ ))
+);
+
## --------------------------------------------------------
## Class::MOP::Method::Accessor
## --------------------------------------------------------
## Now close all the Class::MOP::* classes
-# NOTE:
-# we don't need to inline the
-# constructors or the accessors
-# this only lengthens the compile
-# time of the MOP, and gives us
-# no actual benefits.
+# NOTE: we don't need to inline the the accessors this only lengthens
+# the compile time of the MOP, and gives us no actual benefits.
$_->meta->make_immutable(
inline_constructor => 1,
Given a list of class names, this function will attempt to load each
one in turn.
-If it finds a class it can load, it will return that class's
-metaclass. If none of the classes can be loaded, it will throw an
-exception.
+If it finds a class it can load, it will return that class' name.
+If none of the classes can be loaded, it will throw an exception.
=back
=head2 Metaclass cache functions
-Class::MOP holds a cache of metaclasses, the following are functions
+Class::MOP holds a cache of metaclasses. The following are functions
(B<not methods>) which can be used to access that cache. It is not
-recommended that you mess with this, bad things could happen. But if
-you are brave and willing to risk it, go for it.
+recommended that you mess with these. Bad things could happen, but if
+you are brave and willing to risk it: go for it!
=over 4
=item B<get_all_metaclasses>
-This will return an hash of all the metaclass instances that have
-been cached by B<Class::MOP::Class> keyed by the package name.
+This will return a hash of all the metaclass instances that have
+been cached by B<Class::MOP::Class>, keyed by the package name.
=item B<get_all_metaclass_instances>
-This will return an array of all the metaclass instances that have
+This will return a list of all the metaclass instances that have
been cached by B<Class::MOP::Class>.
=item B<get_all_metaclass_names>
-This will return an array of all the metaclass names that have
+This will return a list of all the metaclass names that have
been cached by B<Class::MOP::Class>.
=item B<get_metaclass_by_name ($name)>
-This will return a cached B<Class::MOP::Class> instance of nothing
-if no metaclass exist by that C<$name>.
+This will return a cached B<Class::MOP::Class> instance, or nothing
+if no metaclass exists with that C<$name>.
=item B<store_metaclass_by_name ($name, $meta)>
=item B<weaken_metaclass ($name)>
-In rare cases it is desireable to store a weakened reference in
-the metaclass cache. This function will weaken the reference to
-the metaclass stored in C<$name>.
+In rare cases (e.g. anonymous metaclasses) it is desirable to
+store a weakened reference in the metaclass cache. This
+function will weaken the reference to the metaclass stored
+in C<$name>.
=item B<does_metaclass_exist ($name)>
This will return true of there exists a metaclass stored in the
-C<$name> key and return false otherwise.
+C<$name> key, and return false otherwise.
=item B<remove_metaclass_by_name ($name)>
-This will remove a the metaclass stored in the C<$name> key.
+This will remove the metaclass stored in the C<$name> key.
=back