1 package MooseX::Antlers::Compiler;
5 use String::TT qw(strip tt);
7 use Sub::Name qw/subname/;
8 use Data::Dumper::Concise;
9 use Scalar::Util qw(refaddr);
10 use aliased 'MooseX::Antlers::RefTracker';
11 use aliased 'MooseX::Antlers::EvalTracker';
12 use aliased 'MooseX::Antlers::RefFilter';
14 has [ qw(_target _attr_refs _attr_et _im_et _raw_source) ] => (is => 'rw');
16 sub load_with_compiler {
17 my ($class, $target) = @_;
18 $class->new->load($target);
22 my ($self, $target) = @_;
26 my $orig_import = Moose->can('import');
27 no warnings 'redefine';
28 local *Moose::import = sub {
30 Moose->$orig_import({ into => $targ });
31 my $has = $targ->can('has');
34 *{"${targ}::has"} = sub {
36 map RefTracker->trace_refs( $_ => \@_ ),
37 '(\@_)', '$has_args{'.perlstring($_[0]).'}'
39 my $et = EvalTracker->new->enable;
41 $attr_et{$_[0]} = $et->disable;
46 my $orig_immutable = Moose::Meta::Class->can('make_immutable');
47 local *Moose::Meta::Class::make_immutable = subname 'MooseX::Antlers::Compiler::make_immutable' => sub {
48 my $et = EvalTracker->new->enable;
49 $orig_immutable->(@_);
50 $im_et = $et->disable;
53 Class::MOP::load_class($target);
54 $self->_attr_refs(\%attr_refs);
55 $self->_attr_et(\%attr_et);
56 $self->_im_et($im_et);
57 $self->_target($target);
58 (my $pm_file = $target) =~ s/::/\//g;
59 $self->_raw_source(scalar io($INC{"${pm_file}.pm"})->slurp);
65 my %attr_et = %{$self->_attr_et};
66 my %attr_refs = %{$self->_attr_refs};
67 my $im_et = $self->_im_et;
68 my $target = $self->_target;
70 my $all_refs = { map %{$_->[1]}, values %attr_refs };
71 foreach my $attr_name (keys %attr_refs) {
72 $attr_construct{$attr_name}
73 = $attr_et{$attr_name}->serialized_construction(
74 $attr_refs{$attr_name}[0]
77 my $im_construct = $im_et->serialized_construction($all_refs);
78 my $preamble = tt strip q{
84 [% FOREACH a IN attr_construct_h %]
91 sub MooseX::Antlers::ImmutableHackFor::[% target %]::make_immutable {
93 no warnings 'redefine';
94 *[% target %]::meta = sub {
95 my $meta_code = do { local $/; <[% target %]::DATA> };
97 my $meta = eval $meta_code;
102 use MooseX::Antlers::StealImport
109 $has_args{$_[0]} = \@_;
110 ($replay_has{$_[0]}||die "Can't find replay for $_[0]")
113 meta => sub { 'MooseX::Antlers::ImmutableHackFor::[% target %]' }
117 my $meta_construct = $self->_meta_construction_code($all_refs);
119 my $postamble = tt strip q{
120 no MooseX::Antlers::StealImport qw(Moose);
125 my $compiled = join("\n", $preamble, $self->_raw_source, $postamble);
130 sub _meta_construction_code {
131 my ($self, $all_refs) = @_;
132 my $target = $self->_target;
133 my $meta_obj = $target->meta;
136 map +(refaddr($target->can($_)) => '\&'.$target.'::'.$_),
137 $meta_obj->get_method_list, 'meta'
139 my $filter = RefFilter->new(
140 external_mappings => $mappings,
143 my $filtered_meta = Dumper($filter->visit($meta_obj));
144 my $meta_fixup = $filter->fixup_code;
145 my $target_string = perlstring($target);
148 my $meta = [% filtered_meta %];
150 Class::MOP::store_metaclass_by_name([% target_string %] => $meta);
151 no warnings 'redefine';
152 *[% target %]::meta = sub {
153 Moose::Meta::Class->initialize( ref($_[0]) || $_[0] );