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 unless ($Moo::Role::INFO{$name}) {
27 Moo->_constructor_maker_for($name)->install_delayed;
29 inject_fake_metaclass_for($name);
33 sub inject_fake_metaclass_for {
36 require Moo::HandleMoose::FakeMetaClass;
37 Class::MOP::store_metaclass_by_name(
38 $name, bless({ name => $name }, 'Moo::HandleMoose::FakeMetaClass')
43 package Moo::HandleMoose::FakeConstructor;
45 sub _uninlined_body { \&Moose::Object::new }
49 sub inject_real_metaclass_for {
52 return Class::MOP::get_metaclass_by_name($name) if $DID_INJECT{$name};
53 require Moose; require Moo; require Moo::Role;
54 Class::MOP::remove_metaclass_by_name($name);
55 my ($am_role, $meta, $attr_specs, $attr_order) = do {
56 if (my $info = $Moo::Role::INFO{$name}) {
57 my @attr_info = @{$info->{attributes}||[]};
58 (1, Moose::Meta::Role->initialize($name),
60 [ @attr_info[grep !($_ % 2), 0..$#attr_info] ]
63 my $specs = Moo->_constructor_maker_for($name)->all_attribute_specs;
64 (0, Moose::Meta::Class->initialize($name), $specs,
65 [ sort { $specs->{$a}{index} <=> $specs->{$b}{index} } keys %$specs ]
70 my %methods = %{Role::Tiny->_concrete_methods_of($name)};
72 while (my ($meth_name, $meth_code) = each %methods) {
73 $meta->add_method($meth_name, $meth_code) if $meth_code;
76 # if stuff gets added afterwards, _maybe_reset_handlemoose should
77 # trigger the recreation of the metaclass but we need to ensure the
78 # Role::Tiny cache is cleared so we don't confuse Moo itself.
79 if (my $info = $Role::Tiny::INFO{$name}) {
80 delete $info->{methods};
83 # needed to ensure the method body is stable and get things named
84 Sub::Defer::undefer_sub($_) for grep defined, values %methods;
87 # This local is completely not required for roles but harmless
88 local @{_getstash($name)}{keys %methods};
90 foreach my $name (@$attr_order) {
91 $seen_name{$name} = 1;
92 my %spec = %{$attr_specs->{$name}};
94 $spec{is} = 'ro' if $spec{is} eq 'lazy' or $spec{is} eq 'rwp';
95 delete $spec{asserter};
96 if (my $isa = $spec{isa}) {
97 my $tc = $spec{isa} = do {
98 if (my $mapped = $TYPE_MAP{$isa}) {
101 Moose::Meta::TypeConstraint->new(
102 constraint => sub { eval { &$isa; 1 } }
106 if (my $coerce = $spec{coerce}) {
107 $tc->coercion(Moose::Meta::TypeCoercion->new)
108 ->_compiled_type_coercion($coerce);
111 } elsif (my $coerce = $spec{coerce}) {
112 my $attr = perlstring($name);
113 my $tc = Moose::Meta::TypeConstraint->new(
114 constraint => sub { die "This is not going to work" },
116 'my $r = $_[42]{'.$attr.'}; $_[42]{'.$attr.'} = 1; $r'
119 $tc->coercion(Moose::Meta::TypeCoercion->new)
120 ->_compiled_type_coercion($coerce);
124 push @attrs, $meta->add_attribute($name => %spec);
126 foreach my $mouse (do { our %MOUSE; @{$MOUSE{$name}||[]} }) {
127 foreach my $attr ($mouse->get_all_attributes) {
130 associated_class associated_methods __METACLASS__
133 my $name = delete $spec{name};
134 next if $seen_name{$name}++;
135 push @attrs, $meta->add_attribute($name => %spec);
140 my $info = $Moo::Role::INFO{$name};
141 $meta->add_required_methods(@{$info->{requires}});
142 foreach my $modifier (@{$info->{modifiers}}) {
143 my ($type, @args) = @$modifier;
144 $meta->${\"add_${type}_method_modifier"}(@args);
147 foreach my $attr (@attrs) {
148 foreach my $method (@{$attr->associated_methods}) {
149 $method->{body} = $name->can($method->name);
153 $meta->find_method_by_name('new'),
154 'Moo::HandleMoose::FakeConstructor',
157 $meta->add_role(Class::MOP::class_of($_))
158 for grep !/\|/ && $_ ne $name, # reject Foo|Bar and same-role-as-self
159 do { no warnings 'once'; keys %{$Role::Tiny::APPLIED_TO{$name}} };
160 $DID_INJECT{$name} = 1;