use Moo::_Utils;
use base qw(Role::Tiny);
+require Moo::sification;
+
BEGIN { *INFO = \%Role::Tiny::INFO }
our %INFO;
+sub _install_tracked {
+ my ($target, $name, $code) = @_;
+ $INFO{$target}{exports}{$name} = $code;
+ _install_coderef "${target}::${name}" => "Moo::Role::${name}" => $code;
+}
+
sub import {
my $target = caller;
+ my ($me) = @_;
strictures->import;
return if $INFO{$target}; # already exported into this package
+ $INFO{$target} = {};
# get symbol table reference
my $stash = do { no strict 'refs'; \%{"${target}::"} };
- *{_getglob "${target}::has"} = sub {
- my ($name, %spec) = @_;
- ($INFO{$target}{accessor_maker} ||= do {
- { local $@; require Method::Generate::Accessor; }
- Method::Generate::Accessor->new
- })->generate_method($target, $name, \%spec);
- $INFO{$target}{attributes}{$name} = \%spec;
+ _install_tracked $target => has => sub {
+ my ($name_proto, %spec) = @_;
+ my $name_isref = ref $name_proto eq 'ARRAY';
+ foreach my $name ($name_isref ? @$name_proto : $name_proto) {
+ my $spec_ref = $name_isref ? +{%spec} : \%spec;
+ ($INFO{$target}{accessor_maker} ||= do {
+ require Method::Generate::Accessor;
+ Method::Generate::Accessor->new
+ })->generate_method($target, $name, $spec_ref);
+ push @{$INFO{$target}{attributes}||=[]}, $name, $spec_ref;
+ $me->_maybe_reset_handlemoose($target);
+ }
+ };
+ # install before/after/around subs
+ foreach my $type (qw(before after around)) {
+ _install_tracked $target => $type => sub {
+ require Class::Method::Modifiers;
+ push @{$INFO{$target}{modifiers}||=[]}, [ $type => @_ ];
+ $me->_maybe_reset_handlemoose($target);
+ };
+ }
+ _install_tracked $target => requires => sub {
+ push @{$INFO{$target}{requires}||=[]}, @_;
+ $me->_maybe_reset_handlemoose($target);
+ };
+ _install_tracked $target => with => sub {
+ $me->apply_roles_to_package($target, @_);
+ $me->_maybe_reset_handlemoose($target);
};
- goto &Role::Tiny::import;
+ # grab all *non-constant* (stash slot is not a scalarref) subs present
+ # in the symbol table and store their refaddrs (no need to forcibly
+ # inflate constant subs into real subs) - also add '' to here (this
+ # is used later) with a map to the coderefs in case of copying or re-use
+ my @not_methods = ('', map { *$_{CODE}||() } grep !ref($_), values %$stash);
+ @{$INFO{$target}{not_methods}={}}{@not_methods} = @not_methods;
+ # a role does itself
+ $Role::Tiny::APPLIED_TO{$target} = { $target => undef };
+
+ if ($INC{'Moo/HandleMoose.pm'}) {
+ Moo::HandleMoose::inject_fake_metaclass_for($target);
+ }
+}
+
+sub unimport {
+ my $target = caller;
+ _unimport_coderefs($target, $INFO{$target});
+}
+
+sub _maybe_reset_handlemoose {
+ my ($class, $target) = @_;
+ if ($INC{"Moo/HandleMoose.pm"}) {
+ Moo::HandleMoose::maybe_reinject_fake_metaclass_for($target);
+ }
+}
+
+sub _inhale_if_moose {
+ my ($self, $role) = @_;
+ _load_module($role);
+ my $meta;
+ if (!$INFO{$role}
+ and (
+ $INC{"Moose.pm"}
+ and $meta = Class::MOP::class_of($role)
+ )
+ or (
+ $INC{"Mouse.pm"}
+ and $meta = Mouse::Util::find_meta($role)
+ )
+ ) {
+ $INFO{$role}{methods} = {
+ map +($_ => $role->can($_)),
+ grep !$meta->get_method($_)->isa('Class::MOP::Method::Meta'),
+ $meta->get_method_list
+ };
+ $Role::Tiny::APPLIED_TO{$role} = {
+ map +($_->name => 1), $meta->calculate_all_roles
+ };
+ $INFO{$role}{requires} = [ $meta->get_required_method_list ];
+ $INFO{$role}{attributes} = [
+ map +($_ => do {
+ my $spec = { %{$meta->get_attribute($_)} };
+
+ if ($spec->{isa}) {
+
+ my $get_constraint = do {
+ my $pkg = $meta->isa('Mouse::Meta::Role')
+ ? 'Mouse::Util::TypeConstraints'
+ : 'Moose::Util::TypeConstraints';
+ _load_module($pkg);
+ $pkg->can('find_or_create_isa_type_constraint');
+ };
+
+ my $tc = $get_constraint->($spec->{isa});
+ my $check = $tc->_compiled_type_constraint;
+
+ $spec->{isa} = sub {
+ &$check or die "Type constraint failed for $_[0]"
+ };
+
+ if ($spec->{coerce}) {
+
+ # Mouse has _compiled_type_coercion straight on the TC object
+ $spec->{coerce} = $tc->${\(
+ $tc->can('coercion')||sub { $_[0] }
+ )}->_compiled_type_coercion;
+ }
+ }
+ $spec;
+ }), $meta->get_attribute_list
+ ];
+ my $mods = $INFO{$role}{modifiers} = [];
+ foreach my $type (qw(before after around)) {
+ # Mouse pokes its own internals so we have to fall back to doing
+ # the same thing in the absence of the Moose API method
+ my $map = $meta->${\(
+ $meta->can("get_${type}_method_modifiers_map")
+ or sub { shift->{"${type}_method_modifiers"} }
+ )};
+ foreach my $method (keys %$map) {
+ foreach my $mod (@{$map->{$method}}) {
+ push @$mods, [ $type => $method => $mod ];
+ }
+ }
+ }
+ require Class::Method::Modifiers if @$mods;
+ $INFO{$role}{inhaled_from_moose} = 1;
+ }
}
-sub apply_role_to_package {
+sub _maybe_make_accessors {
+ my ($self, $role, $target) = @_;
+ my $m;
+ if ($INFO{$role}{inhaled_from_moose}
+ or $INC{"Moo.pm"}
+ and $m = Moo->_accessor_maker_for($target)
+ and ref($m) ne 'Method::Generate::Accessor') {
+ $self->_make_accessors($role, $target);
+ }
+}
+
+sub _make_accessors_if_moose {
+ my ($self, $role, $target) = @_;
+ if ($INFO{$role}{inhaled_from_moose}) {
+ $self->_make_accessors($role, $target);
+ }
+}
+
+sub _make_accessors {
+ my ($self, $role, $target) = @_;
+ my $acc_gen = ($Moo::MAKERS{$target}{accessor} ||= do {
+ require Method::Generate::Accessor;
+ Method::Generate::Accessor->new
+ });
+ my $con_gen = $Moo::MAKERS{$target}{constructor};
+ my @attrs = @{$INFO{$role}{attributes}||[]};
+ while (my ($name, $spec) = splice @attrs, 0, 2) {
+ # needed to ensure we got an index for an arrayref based generator
+ if ($con_gen) {
+ $spec = $con_gen->all_attribute_specs->{$name};
+ }
+ $acc_gen->generate_method($target, $name, $spec);
+ }
+}
+
+sub apply_roles_to_package {
+ my ($me, $to, @roles) = @_;
+ foreach my $role (@roles) {
+ $me->_inhale_if_moose($role);
+ }
+ $me->SUPER::apply_roles_to_package($to, @roles);
+}
+
+sub apply_single_role_to_package {
my ($me, $to, $role) = @_;
- $me->SUPER::apply_role_to_package($to, $role);
+ $me->_inhale_if_moose($role);
$me->_handle_constructor($to, $INFO{$role}{attributes});
+ $me->_maybe_make_accessors($role, $to);
+ $me->SUPER::apply_single_role_to_package($to, $role);
}
sub create_class_with_roles {
return $new_name if $Role::Tiny::COMPOSED{class}{$new_name};
- { local $@; require Sub::Quote; }
+ foreach my $role (@roles) {
+ $me->_inhale_if_moose($role);
+ }
+
+ my $m;
+ if ($INC{"Moo.pm"}
+ and $m = Moo->_accessor_maker_for($superclass)
+ and ref($m) ne 'Method::Generate::Accessor') {
+ # old fashioned way time.
+ *{_getglob("${new_name}::ISA")} = [ $superclass ];
+ $me->apply_roles_to_package($new_name, @roles);
+ return $new_name;
+ }
+
+ require Sub::Quote;
$me->SUPER::create_class_with_roles($superclass, @roles);
$Moo::MAKERS{$new_name} = {};
$me->_handle_constructor(
- $new_name, { map %{$INFO{$_}{attributes}||{}}, @roles }, $superclass
+ $new_name, [ map @{$INFO{$_}{attributes}||[]}, @roles ], $superclass
);
return $new_name;
}
+sub _composable_package_for {
+ my ($self, $role) = @_;
+ my $composed_name = 'Role::Tiny::_COMPOSABLE::'.$role;
+ return $composed_name if $Role::Tiny::COMPOSED{role}{$composed_name};
+ $self->_make_accessors_if_moose($role, $composed_name);
+ $self->SUPER::_composable_package_for($role);
+}
+
sub _install_single_modifier {
my ($me, @args) = @_;
_install_modifier(@args);
sub _handle_constructor {
my ($me, $to, $attr_info, $superclass) = @_;
- return unless $attr_info && keys %$attr_info;
+ return unless $attr_info && @$attr_info;
if ($INFO{$to}) {
- @{$INFO{$to}{attributes}||={}}{keys %$attr_info} = values %$attr_info;
+ push @{$INFO{$to}{attributes}||=[]}, @$attr_info;
} else {
# only fiddle with the constructor if the target is a Moo class
if ($INC{"Moo.pm"}
and my $con = Moo->_constructor_maker_for($to, $superclass)) {
- $con->register_attribute_specs(%$attr_info);
+ # shallow copy of the specs since the constructor will assign an index
+ $con->register_attribute_specs(map ref() ? { %$_ } : $_, @$attr_info);
}
}
}
1;
-else where
+And elsewhere:
package Some::Class;
projects / gitmo/Moo.git / blobdiff