1 package MooseX::Antlers::Compiler;
5 use String::TT qw(strip tt);
7 use Data::Dumper::Concise;
8 use Scalar::Util qw(refaddr);
9 use aliased 'MooseX::Antlers::RefTracker';
10 use aliased 'MooseX::Antlers::EvalTracker';
11 use aliased 'MooseX::Antlers::RefFilter';
13 has [ qw(_target _attr_refs _attr_et _im_et _raw_source) ] => (is => 'rw');
15 sub load_with_compiler {
16 my ($class, $target) = @_;
17 $class->new->load($target);
21 my ($self, $target) = @_;
25 my $orig_import = Moose->can('import');
26 no warnings 'redefine';
27 local *Moose::import = sub {
29 Moose->$orig_import({ into => $targ });
30 my $has = $targ->can('has');
33 *{"${targ}::has"} = sub {
35 map RefTracker->trace_refs( $_ => \@_ ),
36 '(\@_)', '$has_args{'.perlstring($_[0]).'}'
38 my $et = EvalTracker->new->enable;
40 $attr_et{$_[0]} = $et->disable;
45 my $orig_immutable = Moose::Meta::Class->can('make_immutable');
46 local *Moose::Meta::Class::make_immutable = sub {
47 my $et = EvalTracker->new->enable;
48 $orig_immutable->(@_);
49 $im_et = $et->disable;
52 Class::MOP::load_class($target);
53 $self->_attr_refs(\%attr_refs);
54 $self->_attr_et(\%attr_et);
55 $self->_im_et($im_et);
56 $self->_target($target);
57 (my $pm_file = $target) =~ s/::/\//g;
58 $self->_raw_source(scalar io($INC{"${pm_file}.pm"})->slurp);
64 my %attr_et = %{$self->_attr_et};
65 my %attr_refs = %{$self->_attr_refs};
66 my $im_et = $self->_im_et;
67 my $target = $self->_target;
69 my $all_refs = { map %{$_->[1]}, values %attr_refs };
70 foreach my $attr_name (keys %attr_refs) {
71 $attr_construct{$attr_name}
72 = $attr_et{$attr_name}->serialized_construction(
73 $attr_refs{$attr_name}[0]
76 my $im_construct = $im_et->serialized_construction($all_refs);
77 my $preamble = tt strip q{
82 [% FOREACH a IN attr_construct_h %]
89 sub MooseX::Antlers::ImmutableHackFor::[% target %]::make_immutable {
91 no warnings 'redefine';
92 *[% target %]::meta = sub {
93 my $meta_code = do { local $/; <[% target %]::DATA> };
95 my $meta = eval $meta_code;
100 use MooseX::Antlers::StealImport
107 $has_args{$_[0]} = \@_;
108 ($replay_has{$_[0]}||die "Can't find replay for $_[0]")
111 meta => sub { 'MooseX::Antlers::ImmutableHackFor::[% target %]' }
115 my $meta_construct = $self->_meta_construction_code($all_refs);
117 my $postamble = tt strip q{
118 no MooseX::Antlers::StealImport qw(Moose);
123 my $compiled = join("\n", $preamble, $self->_raw_source, $postamble);
128 sub _meta_construction_code {
129 my ($self, $all_refs) = @_;
130 my $target = $self->_target;
131 my $meta_obj = $target->meta;
134 map +(refaddr($target->can($_)) => '\&'.$target.'::'.$_),
135 $meta_obj->get_method_list, 'meta'
137 my $filter = RefFilter->new(
138 external_mappings => $mappings,
141 my $filtered_meta = Dumper($filter->visit($meta_obj));
142 my $meta_fixup = $filter->fixup_code;
143 my $target_string = perlstring($target);
146 my $meta = [% filtered_meta %];
148 Class::MOP::store_metaclass_by_name([% target_string %] => $meta);
149 no warnings 'redefine';
150 *[% target %]::meta = sub {
151 Moose::Meta::Class->initialize( ref($_[0]) || $_[0] );