predicate => 'has_documentation',
));
+# NOTE:
+# we need to have a ->does method in here to
+# more easily support traits, and the introspection
+# of those traits. So in order to do this we
+# just alias Moose::Object's version of it.
+# - SL
+*does = \&Moose::Object::does;
+
sub new {
my ($class, $name, %options) = @_;
$class->_process_options($name, \%options);
my ($self, %options) = @_;
# you can change default, required, coerce, documentation and lazy
my %actual_options;
- foreach my $legal_option (qw(default coerce required documentation lazy)) {
+ foreach my $legal_option (qw(default coerce required documentation lazy handles builder)) {
if (exists $options{$legal_option}) {
$actual_options{$legal_option} = $options{$legal_option};
delete $options{$legal_option};
}
}
- # handles can only be added, not changed
- if ($options{handles}) {
- confess "You can only add the 'handles' option, you cannot change it"
- if $self->has_handles;
- $actual_options{handles} = $options{handles};
- delete $options{handles};
- }
-
- # handles can only be added, not changed
- if ($options{builder}) {
- confess "You can only add the 'builder' option, you cannot change it"
- if $self->has_builder;
- $actual_options{builder} = $options{builder};
- delete $options{builder};
- }
-
- # isa can be changed, but only if the
- # new type is a subtype
if ($options{isa}) {
my $type_constraint;
if (blessed($options{isa}) && $options{isa}->isa('Moose::Meta::TypeConstraint')) {
$type_constraint = $options{isa};
}
else {
- $type_constraint = Moose::Util::TypeConstraints::find_or_create_type_constraint(
- $options{isa}
- );
+ # FIXME this causes a failing test, not sure it should
+ # $type_constraint = Moose::Util::TypeConstraints::find_or_create_isa_type_constraint($options{isa});
+ $type_constraint = Moose::Util::TypeConstraints::find_or_parse_type_constraint($options{isa});
(defined $type_constraint)
|| confess "Could not find the type constraint '" . $options{isa} . "'";
}
- # NOTE:
- # check here to see if the new type
- # is a subtype of the old one
- ($type_constraint->is_subtype_of($self->type_constraint->name))
- || confess "New type constraint setting must be a subtype of inherited one"
- # iff we have a type constraint that is ...
- if $self->has_type_constraint;
- # then we use it :)
+
$actual_options{type_constraint} = $type_constraint;
delete $options{isa};
}
+
+ if ($options{does}) {
+ my $type_constraint;
+ if (blessed($options{does}) && $options{does}->isa('Moose::Meta::TypeConstraint')) {
+ $type_constraint = $options{does};
+ }
+ else {
+ # FIXME see above
+ # $type_constraint = Moose::Util::TypeConstraints::find_or_create_does_type_constraint($options{does});
+ $type_constraint = Moose::Util::TypeConstraints::find_or_parse_type_constraint($options{does});
+ (defined $type_constraint)
+ || confess "Could not find the type constraint '" . $options{does} . "'";
+ }
+
+ $actual_options{type_constraint} = $type_constraint;
+ delete $options{does};
+ }
+
(scalar keys %options == 0)
|| confess "Illegal inherited options => (" . (join ', ' => keys %options) . ")";
$self->clone(%actual_options);
if ($options->{is} eq 'ro') {
$options->{reader} ||= $name;
(!exists $options->{trigger})
- || confess "Cannot have a trigger on a read-only attribute";
+ || confess "Cannot have a trigger on a read-only attribute $name";
}
elsif ($options->{is} eq 'rw') {
$options->{accessor} = $name;
if exists $options->{trigger};
}
else {
- confess "I do not understand this option (is => " . $options->{is} . ")"
+ confess "I do not understand this option (is => " . $options->{is} . ") on attribute $name"
}
}
if (exists $options->{does}) {
if (eval { $options->{isa}->can('does') }) {
($options->{isa}->does($options->{does}))
- || confess "Cannot have an isa option and a does option if the isa does not do the does";
+ || confess "Cannot have an isa option and a does option if the isa does not do the does on attribute $name";
}
else {
- confess "Cannot have an isa option which cannot ->does()";
+ confess "Cannot have an isa option which cannot ->does() on attribute $name";
}
}
$options->{type_constraint} = $options->{isa};
}
else {
- $options->{type_constraint} = Moose::Util::TypeConstraints::find_or_create_type_constraint(
- $options->{isa} => {
- parent => Moose::Util::TypeConstraints::find_type_constraint('Object'),
- constraint => sub { $_[0]->isa($options->{isa}) }
- }
- );
+ $options->{type_constraint} = Moose::Util::TypeConstraints::find_or_create_isa_type_constraint($options->{isa});
}
}
elsif (exists $options->{does}) {
$options->{type_constraint} = $options->{does};
}
else {
- $options->{type_constraint} = Moose::Util::TypeConstraints::find_or_create_type_constraint(
- $options->{does} => {
- parent => Moose::Util::TypeConstraints::find_type_constraint('Role'),
- constraint => sub {
- Moose::Util::does_role($_[0], $options->{does})
- }
- }
- );
+ $options->{type_constraint} = Moose::Util::TypeConstraints::find_or_create_does_type_constraint($options->{does});
}
}
if (exists $options->{coerce} && $options->{coerce}) {
(exists $options->{type_constraint})
- || confess "You cannot have coercion without specifying a type constraint";
- confess "You cannot have a weak reference to a coerced value"
+ || confess "You cannot have coercion without specifying a type constraint on attribute $name";
+ confess "You cannot have a weak reference to a coerced value on attribute $name"
if $options->{weak_ref};
}
if (exists $options->{auto_deref} && $options->{auto_deref}) {
(exists $options->{type_constraint})
- || confess "You cannot auto-dereference without specifying a type constraint";
+ || confess "You cannot auto-dereference without specifying a type constraint on attribute $name";
($options->{type_constraint}->is_a_type_of('ArrayRef') ||
$options->{type_constraint}->is_a_type_of('HashRef'))
- || confess "You cannot auto-dereference anything other than a ArrayRef or HashRef";
+ || confess "You cannot auto-dereference anything other than a ArrayRef or HashRef on attribute $name";
}
if (exists $options->{lazy_build} && $options->{lazy_build} == 1) {
- confess("You can not use lazy_build and default for the same attribute")
+ confess("You can not use lazy_build and default for the same attribute $name")
if exists $options->{default};
$options->{lazy} = 1;
$options->{required} = 1;
if (exists $options->{lazy} && $options->{lazy}) {
(exists $options->{default} || defined $options->{builder} )
- || confess "You cannot have lazy attribute without specifying a default value for it";
+ || confess "You cannot have lazy attribute ($name) without specifying a default value for it";
}
if ( $options->{required} && !( ( !exists $options->{init_arg} || defined $options->{init_arg} ) || exists $options->{default} || defined $options->{builder} ) ) {
- confess "You cannot have a required attribute without a default, builder, or an init_arg";
+ confess "You cannot have a required attribute ($name) without a default, builder, or an init_arg";
}
}
=item B<new>
+=item B<does>
+
=item B<initialize_instance_slot>
=item B<install_accessors>
projects / gitmo/Moose.git / blobdiff