1 package Moo::HandleMoose;
11 sub import { return if $SETUP_DONE; inject_all(); $SETUP_DONE = 1; }
15 inject_fake_metaclass_for($_)
16 for grep $_ ne 'Moo::Object', do { no warnings 'once'; keys %Moo::MAKERS };
17 inject_fake_metaclass_for($_) for keys %Moo::Role::INFO;
18 require Moose::Meta::Method::Constructor;
19 @Moo::HandleMoose::FakeConstructor::ISA = 'Moose::Meta::Method::Constructor';
22 sub maybe_reinject_fake_metaclass_for {
25 if (delete $DID_INJECT{$name}) {
26 inject_fake_metaclass_for($name);
30 sub inject_fake_metaclass_for {
33 require Moo::HandleMoose::FakeMetaClass;
34 Class::MOP::store_metaclass_by_name(
35 $name, bless({ name => $name }, 'Moo::HandleMoose::FakeMetaClass')
40 package Moo::HandleMoose::FakeConstructor;
42 sub _uninlined_body { \&Moose::Object::new }
46 sub inject_real_metaclass_for {
49 return Class::MOP::get_metaclass_by_name($name) if $DID_INJECT{$name};
50 require Moose; require Moo; require Moo::Role;
51 Class::MOP::remove_metaclass_by_name($name);
52 my ($am_role, $meta, $attr_specs, $attr_order) = do {
53 if (my $info = $Moo::Role::INFO{$name}) {
54 my @attr_info = @{$info->{attributes}||[]};
55 (1, Moose::Meta::Role->initialize($name),
57 [ @attr_info[grep !($_ % 2), 0..$#attr_info] ]
60 my $specs = Moo->_constructor_maker_for($name)->all_attribute_specs;
61 (0, Moose::Meta::Class->initialize($name), $specs,
62 [ sort { $specs->{$a}{index} <=> $specs->{$b}{index} } keys %$specs ]
67 my %methods = %{Role::Tiny->_concrete_methods_of($name)};
69 # if stuff gets added afterwards, _maybe_reset_handlemoose should
70 # trigger the recreation of the metaclass but we need to ensure the
71 # Role::Tiny cache is cleared so we don't confuse Moo itself.
72 if (my $info = $Role::Tiny::INFO{$name}) {
73 delete $info->{methods};
76 # needed to ensure the method body is stable and get things named
77 Sub::Defer::undefer_sub($_) for grep defined, values %methods;
80 # This local is completely not required for roles but harmless
81 local @{_getstash($name)}{keys %methods};
83 foreach my $name (@$attr_order) {
84 $seen_name{$name} = 1;
85 my %spec = %{$attr_specs->{$name}};
87 $spec{is} = 'ro' if $spec{is} eq 'lazy' or $spec{is} eq 'rwp';
88 delete $spec{asserter};
89 if (my $isa = $spec{isa}) {
90 my $tc = $spec{isa} = do {
91 if (my $mapped = $TYPE_MAP{$isa}) {
94 Moose::Meta::TypeConstraint->new(
95 constraint => sub { eval { &$isa; 1 } }
99 if (my $coerce = $spec{coerce}) {
100 $tc->coercion(Moose::Meta::TypeCoercion->new)
101 ->_compiled_type_coercion($coerce);
104 } elsif (my $coerce = $spec{coerce}) {
105 my $attr = perlstring($name);
106 my $tc = Moose::Meta::TypeConstraint->new(
107 constraint => sub { die "This is not going to work" },
109 'my $r = $_[42]{'.$attr.'}; $_[42]{'.$attr.'} = 1; $r'
112 $tc->coercion(Moose::Meta::TypeCoercion->new)
113 ->_compiled_type_coercion($coerce);
117 push @attrs, $meta->add_attribute($name => %spec);
119 foreach my $mouse (do { our %MOUSE; @{$MOUSE{$name}||[]} }) {
120 foreach my $attr ($mouse->get_all_attributes) {
123 associated_class associated_methods __METACLASS__
126 my $name = delete $spec{name};
127 next if $seen_name{$name}++;
128 push @attrs, $meta->add_attribute($name => %spec);
133 my $info = $Moo::Role::INFO{$name};
134 $meta->add_required_methods(@{$info->{requires}});
135 foreach my $modifier (@{$info->{modifiers}}) {
136 my ($type, @args) = @$modifier;
137 $meta->${\"add_${type}_method_modifier"}(@args);
140 foreach my $attr (@attrs) {
141 foreach my $method (@{$attr->associated_methods}) {
142 $method->{body} = $name->can($method->name);
146 $meta->find_method_by_name('new'),
147 'Moo::HandleMoose::FakeConstructor',
150 $meta->add_role(Class::MOP::class_of($_))
151 for grep !/\|/ && $_ ne $name, # reject Foo|Bar and same-role-as-self
152 do { no warnings 'once'; keys %{$Role::Tiny::APPLIED_TO{$name}} };
153 $DID_INJECT{$name} = 1;