use strict;
use warnings;
-our $VERSION = '1.13';
-$VERSION = eval $VERSION;
+use List::MoreUtils qw( any );
+
our $AUTHORITY = 'cpan:STEVAN';
-use base 'Moose::Meta::Method::Accessor::Native';
+use Moose::Role;
+
+with 'Moose::Meta::Method::Accessor::Native';
+
+requires '_potential_value';
sub _generate_method {
my $self = shift;
- my $inv = '$self';
+ my $inv = '$self';
+ my $slot_access = $self->_get_value($inv);
+
+ return (
+ 'sub {',
+ 'my ' . $inv . ' = shift;',
+ $self->_inline_curried_arguments,
+ $self->_inline_writer_core($inv, $slot_access),
+ '}',
+ );
+}
- my $slot_access = $self->_inline_get($inv);
+sub _inline_writer_core {
+ my $self = shift;
+ my ($inv, $slot_access) = @_;
+
+ my $potential = $self->_potential_value($slot_access);
+ my $old = '@old';
+
+ my @code;
+ push @code, (
+ $self->_inline_check_argument_count,
+ $self->_inline_process_arguments($inv, $slot_access),
+ $self->_inline_check_arguments('for writer'),
+ $self->_inline_check_lazy($inv, '$type_constraint', '$type_constraint_obj'),
+ );
+
+ if ($self->_return_value($slot_access)) {
+ # some writers will save the return value in this variable when they
+ # generate the potential value.
+ push @code, 'my @return;'
+ }
+
+ push @code, (
+ $self->_inline_coerce_new_values,
+ $self->_inline_copy_native_value(\$potential),
+ $self->_inline_tc_code($potential, '$type_constraint', '$type_constraint_obj'),
+ $self->_inline_get_old_value_for_trigger($inv, $old),
+ $self->_inline_capture_return_value($slot_access),
+ $self->_inline_set_new_value($inv, $potential, $slot_access),
+ $self->_inline_trigger($inv, $slot_access, $old),
+ $self->_inline_return_value($slot_access, 'for writer'),
+ );
+
+ return @code;
+}
- my $code = 'sub {';
- $code .= "\n" . $self->_inline_pre_body(@_);
+sub _inline_process_arguments { return }
- $code .= "\n" . 'my $self = shift;';
+sub _inline_check_arguments { return }
- $code .= "\n" . $self->_inline_check_lazy($inv);
+sub _inline_coerce_new_values { return }
- $code .= "\n" . $self->_inline_curried_arguments;
+sub _writer_value_needs_copy {
+ my $self = shift;
- $code .= "\n" . $self->_inline_check_argument_count;
+ return $self->_constraint_must_be_checked;
+}
- $code .= "\n" . $self->_inline_process_arguments;
+sub _constraint_must_be_checked {
+ my $self = shift;
- $code .= "\n" . $self->_inline_check_arguments;
+ my $attr = $self->associated_attribute;
- my $new_value = $self->_new_value($slot_access);
- my $potential_value = $self->_potential_value($slot_access);
+ return $attr->has_type_constraint
+ && (!$self->_is_root_type( $attr->type_constraint )
+ || ( $attr->should_coerce && $attr->type_constraint->has_coercion)
+ );
+}
- $code .= "\n" . $self->_inline_copy_value( \$potential_value );
+sub _is_root_type {
+ my $self = shift;
+ my ($type) = @_;
- $code .= "\n"
- . $self->_inline_tc_code(
- $new_value,
- $potential_value
- );
+ my $name = $type->name;
- $code .= "\n" . $self->_inline_get_old_value_for_trigger($inv);
- $code .= "\n" . $self->_capture_old_value($slot_access);
+ return any { $name eq $_ } @{ $self->root_types };
+}
- $code .= "\n"
- . $self->_inline_set_new_value(
- $inv,
- $potential_value
- );
+sub _inline_copy_native_value {
+ my $self = shift;
+ my ($potential_ref) = @_;
- $code .= "\n" . $self->_inline_post_body(@_);
- $code .= "\n" . $self->_inline_trigger( $inv, $slot_access, '@old' );
+ return unless $self->_writer_value_needs_copy;
- $code .= "\n" . $self->_return_value( $inv, '@old' );
+ my $code = 'my $potential = ' . ${$potential_ref} . ';';
- $code .= "\n}";
+ ${$potential_ref} = '$potential';
return $code;
}
-sub _inline_process_arguments {q{}}
+around _inline_tc_code => sub {
+ my $orig = shift;
+ my $self = shift;
+ my ($value, $tc, $tc_obj, $for_lazy) = @_;
-sub _inline_check_arguments {q{}}
+ return unless $for_lazy || $self->_constraint_must_be_checked;
-sub _value_needs_copy {0}
+ return $self->$orig(@_);
+};
-sub _inline_tc_code {die}
+sub _inline_check_coercion {
+ my $self = shift;
+ my ($value, $tc, $tc_obj) = @_;
-sub _inline_check_coercion {die}
+ my $attr = $self->associated_attribute;
+ return unless $attr->should_coerce && $attr->type_constraint->has_coercion;
-sub _inline_check_constraint {
+ # We want to break the aliasing in @_ in case the coercion tries to make a
+ # destructive change to an array member.
+ return $value . ' = ' . $tc_obj . '->coerce(' . $value . ');';
+}
+
+around _inline_check_constraint => sub {
+ my $orig = shift;
+ my $self = shift;
+ my ($value, $tc, $tc_obj, $for_lazy) = @_;
+
+ return unless $for_lazy || $self->_constraint_must_be_checked;
+
+ return $self->$orig(@_);
+};
+
+sub _inline_capture_return_value { return }
+
+sub _inline_set_new_value {
my $self = shift;
- return q{} unless $self->_constraint_must_be_checked;
+ return $self->_inline_store_value(@_)
+ if $self->_writer_value_needs_copy
+ || !$self->_slot_access_can_be_inlined
+ || !$self->_get_is_lvalue;
- return $self->SUPER::_inline_check_constraint( $_[0] );
+ return $self->_inline_optimized_set_new_value(@_);
}
-sub _constraint_must_be_checked {die}
+sub _get_is_lvalue {
+ my $self = shift;
-sub _capture_old_value { return q{} }
+ return $self->associated_attribute->associated_class->instance_metaclass->inline_get_is_lvalue;
+}
-sub _inline_set_new_value {
+sub _inline_optimized_set_new_value {
+ my $self = shift;
+
+ return $self->_inline_store_value(@_);
+}
+
+sub _return_value {
my $self = shift;
+ my ($slot_access) = @_;
- return $self->SUPER::_inline_store(@_);
+ return $slot_access;
}
-sub _return_value { return q{} }
+no Moose::Role;
1;