use Carp 'confess';
use Scalar::Util ();
use Mouse::Meta::TypeConstraint;
+use Mouse::Meta::Method::Accessor;
sub new {
my ($class, $name, %options) = @_;
return $key;
}
-sub generate_accessor {
- my $attribute = shift;
-
- my $name = $attribute->name;
- my $default = $attribute->default;
- my $constraint = $attribute->type_constraint;
- my $builder = $attribute->builder;
- my $trigger = $attribute->trigger;
- my $is_weak = $attribute->is_weak_ref;
- my $should_deref = $attribute->should_auto_deref;
- my $should_coerce = $attribute->should_coerce;
-
- my $compiled_type_constraint = $constraint ? $constraint->{_compiled_type_constraint} : undef;
-
- my $self = '$_[0]';
- my $key = $attribute->inlined_name;
-
- my $accessor =
- '#line ' . __LINE__ . ' "' . __FILE__ . "\"\n" .
- "sub {\n";
- if ($attribute->_is_metadata eq 'rw') {
- $accessor .=
- '#line ' . __LINE__ . ' "' . __FILE__ . "\"\n" .
- 'if (@_ >= 2) {' . "\n";
-
- my $value = '$_[1]';
-
- if ($constraint) {
- $accessor .= 'my $val = ';
- if ($should_coerce) {
- $accessor .=
- "\n".
- '#line ' . __LINE__ . ' "' . __FILE__ . "\"\n" .
- 'Mouse::Util::TypeConstraints->typecast_constraints("'.$attribute->associated_class->name.'", $attribute->{type_constraint}, '.$value.');';
- } else {
- $accessor .= $value.';';
- }
- if ($compiled_type_constraint) {
- $accessor .=
- "\n".
- '#line ' . __LINE__ . ' "' . __FILE__ . "\"\n" .
- 'unless ($compiled_type_constraint->($val)) {
- $attribute->verify_type_constraint_error($name, $val, $attribute->{type_constraint});
- }' . "\n";
- } else {
- $accessor .=
- "\n".
- '#line ' . __LINE__ . ' "' . __FILE__ . "\"\n" .
- 'unless ($constraint->check($val)) {
- $attribute->verify_type_constraint_error($name, $val, $attribute->{type_constraint});
- }' . "\n";
- }
- $value = '$val';
- }
-
- # if there's nothing left to do for the attribute we can return during
- # this setter
- $accessor .= 'return ' if !$is_weak && !$trigger && !$should_deref;
-
- $accessor .= $self.'->{'.$key.'} = '.$value.';' . "\n";
-
- if ($is_weak) {
- $accessor .= 'Scalar::Util::weaken('.$self.'->{'.$key.'}) if ref('.$self.'->{'.$key.'});' . "\n";
- }
-
- if ($trigger) {
- $accessor .= '$trigger->('.$self.', '.$value.');' . "\n";
- }
-
- $accessor .= "}\n";
- }
- else {
- $accessor .= 'confess "Cannot assign a value to a read-only accessor" if scalar(@_) >= 2;' . "\n";
- }
-
- if ($attribute->is_lazy) {
- $accessor .= $self.'->{'.$key.'} = ';
-
- $accessor .= $attribute->has_builder
- ? $self.'->$builder'
- : ref($default) eq 'CODE'
- ? '$default->('.$self.')'
- : '$default';
- $accessor .= ' if !exists '.$self.'->{'.$key.'};' . "\n";
- }
-
- if ($should_deref) {
- my $type_constraint = $attribute->{type_constraint};
- if (ref($type_constraint) && $type_constraint->name eq 'ArrayRef') {
- $accessor .= 'if (wantarray) {
- return @{ '.$self.'->{'.$key.'} || [] };
- }';
- }
- else {
- $accessor .= 'if (wantarray) {
- return %{ '.$self.'->{'.$key.'} || {} };
- }';
- }
- }
-
- $accessor .= 'return '.$self.'->{'.$key.'};
- }';
-
- my $sub = eval $accessor;
- confess $@ if $@;
- return $sub;
-}
-
sub generate_predicate {
my $attribute = shift;
my $key = $attribute->inlined_name;
# install an accessor
if ($attribute->_is_metadata eq 'rw' || $attribute->_is_metadata eq 'ro') {
- my $accessor = $attribute->generate_accessor;
- $class->add_method($name => $accessor);
+ my $code = Mouse::Meta::Method::Accessor->generate_accessor_method_inline(
+ $attribute,
+ );
+ $class->add_method($name => $code);
}
for my $method (qw/predicate clearer/) {
confess "You cannot auto-dereference anything other than a ArrayRef or HashRef on attribute ($name)"
if $args->{auto_deref}
- && $args->{isa} ne 'ArrayRef'
- && $args->{isa} ne 'HashRef';
+ && $args->{isa} !~ /^(?:ArrayRef|HashRef)(?:\[.*\])?$/;
if ($args->{trigger}) {
if (ref($args->{trigger}) eq 'HASH') {
}
sub verify_against_type_constraint {
- return 1 unless $_[0]->{type_constraint};
+ my ($self, $value) = @_;
+ my $tc = $self->type_constraint;
+ return 1 unless $tc;
- local $_ = $_[1];
- return 1 if $_[0]->{type_constraint}->check($_);
+ local $_ = $value;
+ return 1 if $tc->check($value);
- my $self = shift;
- $self->verify_type_constraint_error($self->name, $_, $self->{type_constraint});
+ $self->verify_type_constraint_error($self->name, $value, $tc);
}
sub verify_type_constraint_error {
my($self, $name, $value, $type) = @_;
- $type = ref($type) eq 'ARRAY' ? join '|', map { $_->name } @{ $type } : $type->name;
- my $display = defined($value) ? overload::StrVal($value) : 'undef';
- Carp::confess("Attribute ($name) does not pass the type constraint because: Validation failed for \'$type\' failed with value $display");
+ Carp::confess("Attribute ($name) does not pass the type constraint because: " . $type->get_message($value));
}
sub coerce_constraint { ## my($self, $value) = @_;