1 package Method::Generate::Constructor;
5 use base qw(Class::Tiny::Object);
8 sub register_attribute_specs {
9 my ($self, %spec) = @_;
10 @{$self->{attribute_specs}||={}}{keys %spec} = values %spec;
14 sub all_attribute_specs {
15 $_[0]->{attribute_specs}
20 my $package = $self->{package};
21 defer_sub "${package}::new" => sub {
22 unquote_sub $self->generate_method(
23 $package, 'new', $self->{attribute_specs}, { no_install => 1 }
30 my ($self, $into, $name, $spec, $quote_opts) = @_;
31 foreach my $no_init (grep !exists($spec->{$_}{init_arg}), keys %$spec) {
32 $spec->{$no_init}{init_arg} = $no_init;
34 my $body = ' my $class = shift;'."\n";
35 $body .= $self->_generate_args;
36 $body .= $self->_check_required($spec);
37 $body .= ' my $new = bless({}, $class);'."\n";
38 $body .= $self->_assign_new($spec);
39 $body .= ' return $new;'."\n";
41 "${into}::${name}" => $body,
42 (ref($quote_opts) ? ({}, $quote_opts) : ())
48 q{ my $args = ref($_[0]) eq 'HASH' ? $_[0] : { @_ };}."\n";
52 my ($self, $spec) = @_;
54 NAME: foreach my $name (keys %$spec) {
55 my $attr_spec = $spec->{$name};
57 next NAME unless defined(my $i = $attr_spec->{init_arg});
62 return '' unless @init;
63 ' @{$new}{qw('.join(' ',@slots).')} = @{$args}{qw('.join(' ',@init).')};'
68 my ($self, $spec) = @_;
70 map $spec->{$_}{init_arg},
71 grep $spec->{$_}{required},
73 return '' unless @required_init;
74 ' if (my @missing = grep !exists $args->{$_}, qw('
75 .join(' ',@required_init).')) {'."\n"
76 .q{ die "Missing required arguments: ".join(', ', sort @missing);}."\n"