use strict;
use warnings;
-use Carp 'confess';
use Scalar::Util 'blessed', 'weaken', 'looks_like_number';
-our $VERSION = '0.09';
+our $VERSION = '0.57';
our $AUTHORITY = 'cpan:STEVAN';
use base 'Moose::Meta::Method',
my $class = shift;
my %options = @_;
- (exists $options{options} && ref $options{options} eq 'HASH')
- || confess "You must pass a hash of options";
+ my $meta = $options{metaclass};
+
+ (ref $options{options} eq 'HASH')
+ || $class->throw_error("You must pass a hash of options", data => $options{options});
+
+ ($options{package_name} && $options{name})
+ || $class->throw_error("You must supply the package_name and name parameters $Class::MOP::Method::UPGRADE_ERROR_TEXT");
my $self = bless {
# from our superclass
- '&!body' => undef,
+ 'body' => undef,
+ 'package_name' => $options{package_name},
+ 'name' => $options{name},
# specific to this subclass
- '%!options' => $options{options},
- '$!meta_instance' => $options{metaclass}->get_meta_instance,
- '@!attributes' => [ $options{metaclass}->compute_all_applicable_attributes ],
+ 'options' => $options{options},
+ 'meta_instance' => $meta->get_meta_instance,
+ 'attributes' => [ $meta->compute_all_applicable_attributes ],
# ...
- '$!associated_metaclass' => $options{metaclass},
+ 'associated_metaclass' => $meta,
} => $class;
# we don't want this creating
# a cycle in the code, if not
# needed
- weaken($self->{'$!associated_metaclass'});
+ weaken($self->{'associated_metaclass'});
$self->initialize_body;
## accessors
-sub options { (shift)->{'%!options'} }
-sub meta_instance { (shift)->{'$!meta_instance'} }
-sub attributes { (shift)->{'@!attributes'} }
+sub options { (shift)->{'options'} }
+sub meta_instance { (shift)->{'meta_instance'} }
+sub attributes { (shift)->{'attributes'} }
-sub associated_metaclass { (shift)->{'$!associated_metaclass'} }
+sub associated_metaclass { (shift)->{'associated_metaclass'} }
## method
+# this was changed in 0.41, but broke MooseX::Singleton, so try to catch
+# any other code using the original broken spelling
+sub intialize_body { Moose->throw_error("Please correct the spelling of 'intialize_body' to 'initialize_body'") }
+
sub initialize_body {
my $self = shift;
# TODO:
$source .= "\n" . 'return $class->Moose::Object::new(@_)';
$source .= "\n" . ' if $class ne \'' . $self->associated_metaclass->name . '\';';
- $source .= "\n" . 'my %params = (scalar @_ == 1) ? %{$_[0]} : @_;';
+ $source .= "\n" . 'my $params = ' . $self->_generate_BUILDARGS('$class', '@_');
- $source .= "\n" . 'my $instance = ' . $self->meta_instance->inline_create_instance('$class');
+ $source .= ";\n" . 'my $instance = ' . $self->meta_instance->inline_create_instance('$class');
$source .= ";\n" . (join ";\n" => map {
$self->_generate_slot_initializer($_)
} 0 .. (@{$self->attributes} - 1));
+ $source .= ";\n" . $self->_generate_triggers();
$source .= ";\n" . $self->_generate_BUILDALL();
$source .= ";\n" . 'return $instance';
my $code;
{
+ my $meta = $self; # FIXME for _inline_throw_error...
+
# NOTE:
# create the nessecary lexicals
# to be picked up in the eval
} @type_constraints;
$code = eval $source;
- confess "Could not eval the constructor :\n\n$source\n\nbecause :\n\n$@" if $@;
+ $self->throw_error("Could not eval the constructor :\n\n$source\n\nbecause :\n\n$@", error => $@, data => $source ) if $@;
+ }
+ $self->{'body'} = $code;
+}
+
+sub _generate_BUILDARGS {
+ my ( $self, $class, $args ) = @_;
+
+ my $buildargs = $self->associated_metaclass->find_method_by_name("BUILDARGS");
+
+ if ( $args eq '@_' and ( !$buildargs or $buildargs->body == \&Moose::Object::BUILDARGS ) ) {
+ return join("\n",
+ 'do {',
+ $self->_inline_throw_error('"Single parameters to new() must be a HASH ref"', 'data => $_[0]'),
+ ' if scalar @_ == 1 && defined $_[0] && ref($_[0]) ne q{HASH};',
+ '(scalar @_ == 1) ? {%{$_[0]}} : {@_};',
+ '}',
+ );
+ } else {
+ return $class . "->BUILDARGS($args)";
}
- $self->{'&!body'} = $code;
}
sub _generate_BUILDALL {
my $self = shift;
my @BUILD_calls;
foreach my $method (reverse $self->associated_metaclass->find_all_methods_by_name('BUILD')) {
- push @BUILD_calls => '$instance->' . $method->{class} . '::BUILD(\%params)';
+ push @BUILD_calls => '$instance->' . $method->{class} . '::BUILD($params)';
}
return join ";\n" => @BUILD_calls;
}
+sub _generate_triggers {
+ my $self = shift;
+ my @trigger_calls;
+ foreach my $i (0 .. $#{ $self->attributes }) {
+ my $attr = $self->attributes->[$i];
+ if ($attr->can('has_trigger') && $attr->has_trigger) {
+ if (defined(my $init_arg = $attr->init_arg)) {
+ push @trigger_calls => (
+ '(exists $params->{\'' . $init_arg . '\'}) && do {' . "\n "
+ . '$attrs->[' . $i . ']->trigger->('
+ . '$instance, '
+ . $self->meta_instance->inline_get_slot_value(
+ '$instance',
+ ("'" . $attr->name . "'")
+ )
+ . ', '
+ . '$attrs->[' . $i . ']'
+ . ');'
+ ."\n}"
+ );
+ }
+ }
+ }
+ return join ";\n" => @trigger_calls;
+}
+
sub _generate_slot_initializer {
my $self = shift;
my $index = shift;
my $is_moose = $attr->isa('Moose::Meta::Attribute'); # XXX FIXME
if ($is_moose && defined($attr->init_arg) && $attr->is_required && !$attr->has_default && !$attr->has_builder) {
- push @source => ('(exists $params{\'' . $attr->init_arg . '\'}) ' .
- '|| confess "Attribute (' . $attr->name . ') is required";');
+ push @source => ('(exists $params->{\'' . $attr->init_arg . '\'}) ' .
+ '|| ' . $self->_inline_throw_error('"Attribute (' . $attr->name . ') is required"') .';');
}
if (($attr->has_default || $attr->has_builder) && !($is_moose && $attr->is_lazy)) {
if ( defined( my $init_arg = $attr->init_arg ) ) {
- push @source => 'if (exists $params{\'' . $init_arg . '\'}) {';
-
- push @source => ('my $val = $params{\'' . $init_arg . '\'};');
-
- if ($is_moose && $attr->has_type_constraint) {
- if ($attr->should_coerce && $attr->type_constraint->has_coercion) {
- push @source => $self->_generate_type_coercion(
- $attr,
- '$type_constraints[' . $index . ']',
- '$val',
- '$val'
- );
- }
- push @source => $self->_generate_type_constraint_check(
- $attr,
- '$type_constraint_bodies[' . $index . ']',
- '$type_constraints[' . $index . ']',
- '$val'
- );
- }
- push @source => $self->_generate_slot_assignment($attr, '$val', $index);
-
+ push @source => 'if (exists $params->{\'' . $init_arg . '\'}) {';
+ push @source => ('my $val = $params->{\'' . $init_arg . '\'};');
+ push @source => $self->_generate_type_constraint_and_coercion($attr, $index)
+ if $is_moose;
+ push @source => $self->_generate_slot_assignment($attr, '$val', $index);
push @source => "} else {";
}
my $default;
push @source => '{'; # wrap this to avoid my $val overwrite warnings
push @source => ('my $val = ' . $default . ';');
- push @source => $self->_generate_type_constraint_check(
- $attr,
- ('$type_constraint_bodies[' . $index . ']'),
- ('$type_constraints[' . $index . ']'),
- '$val'
- ) if ($is_moose && $attr->has_type_constraint);
-
+ push @source => $self->_generate_type_constraint_and_coercion($attr, $index)
+ if $is_moose;
push @source => $self->_generate_slot_assignment($attr, '$val', $index);
push @source => '}'; # close - wrap this to avoid my $val overrite warnings
push @source => "}" if defined $attr->init_arg;
}
elsif ( defined( my $init_arg = $attr->init_arg ) ) {
- push @source => '(exists $params{\'' . $init_arg . '\'}) && do {';
+ push @source => '(exists $params->{\'' . $init_arg . '\'}) && do {';
- push @source => ('my $val = $params{\'' . $init_arg . '\'};');
+ push @source => ('my $val = $params->{\'' . $init_arg . '\'};');
if ($is_moose && $attr->has_type_constraint) {
if ($attr->should_coerce && $attr->type_constraint->has_coercion) {
push @source => $self->_generate_type_coercion(
return $source;
}
+sub _generate_type_constraint_and_coercion {
+ my ($self, $attr, $index) = @_;
+
+ return unless $attr->has_type_constraint;
+
+ my @source;
+ if ($attr->should_coerce && $attr->type_constraint->has_coercion) {
+ push @source => $self->_generate_type_coercion(
+ $attr,
+ '$type_constraints[' . $index . ']',
+ '$val',
+ '$val'
+ );
+ }
+ push @source => $self->_generate_type_constraint_check(
+ $attr,
+ ('$type_constraint_bodies[' . $index . ']'),
+ ('$type_constraints[' . $index . ']'),
+ '$val'
+ );
+ return @source;
+}
+
sub _generate_type_coercion {
my ($self, $attr, $type_constraint_name, $value_name, $return_value_name) = @_;
return ($return_value_name . ' = ' . $type_constraint_name . '->coerce(' . $value_name . ');');
sub _generate_type_constraint_check {
my ($self, $attr, $type_constraint_cv, $type_constraint_obj, $value_name) = @_;
return (
- $type_constraint_cv . '->(' . $value_name . ')'
- . "\n\t" . '|| confess "Attribute ('
+ $self->_inline_throw_error('"Attribute (' # FIXME add 'dad'
. $attr->name
. ') does not pass the type constraint because: " . '
- . $type_constraint_obj . '->get_message(' . $value_name . ');'
+ . $type_constraint_obj . '->get_message(' . $value_name . ')')
+ . "\n\t unless " . $type_constraint_cv . '->(' . $value_name . ');'
);
}