package Mouse::Meta::Method::Accessor;
-use Mouse::Util; # enables strict and warnings
-use Scalar::Util qw(blessed);
+use Mouse::Util qw(:meta); # enables strict and warnings
+
+use constant _MOUSE_DEBUG => $ENV{MOUSE_DEBUG} ? 1 : 0;
sub _inline_slot{
my(undef, $self_var, $attr_name) = @_;
return sprintf '%s->{q{%s}}', $self_var, $attr_name;
}
-sub _generate_accessor{
- my ($method_class, $attribute, $class, $type) = @_;
+sub _generate_accessor_any{
+ my($method_class, $type, $attribute, $class) = @_;
my $name = $attribute->name;
my $default = $attribute->default;
my $trigger = $attribute->trigger;
my $is_weak = $attribute->is_weak_ref;
my $should_deref = $attribute->should_auto_deref;
- my $should_coerce = (defined($constraint) && $constraint->has_coercion && $attribute->should_coerce);
+ my $should_coerce = (defined($constraint)
+ && $constraint->has_coercion
+ && $attribute->should_coerce);
- my $compiled_type_constraint = defined($constraint) ? $constraint->_compiled_type_constraint : undef;
+ my $compiled_type_constraint = defined($constraint)
+ ? $constraint->_compiled_type_constraint
+ : undef;
my $self = '$_[0]';
my $slot = $method_class->_inline_slot($self, $name);;
- $type ||= 'accessor';
-
- my $accessor = sprintf(qq{#line 1 "%s for %s (%s)"\n}, $type, $name, __FILE__)
+ my $accessor = sprintf(qq{package %s;\n#line 1 "%s-accessor for %s (%s)"\n}, $class->name, $type, $name, __FILE__)
. "sub {\n";
- if ($type eq 'accessor' || $type eq 'writer') {
- if($type eq 'accessor'){
- $accessor .=
+ if ($type eq 'rw' || $type eq 'wo') {
+ if($type eq 'rw'){
+ $accessor .=
'if (scalar(@_) >= 2) {' . "\n";
}
else{ # writer
- $accessor .=
- 'if(@_ < 2){ Carp::confess("Not enough arguments for the writer of '.$name.'") }'.
+ $accessor .=
+ 'if(@_ < 2){ Carp::confess("Not enough arguments for the writer of $name") }'.
'{' . "\n";
}
-
+
my $value = '$_[1]';
if (defined $constraint) {
'my $val = $constraint->coerce('.$value.');';
$value = '$val';
}
- $accessor .=
+ $accessor .=
"\n".
'$compiled_type_constraint->('.$value.') or
- $attribute->verify_type_constraint_error($name, '.$value.', $constraint);' . "\n";
+ $attribute->_throw_type_constraint_error('.$value.', $constraint);' . "\n";
}
# if there's nothing left to do for the attribute we can return during
$accessor .= "}\n";
}
- elsif($type eq 'reader') {
- $accessor .= 'Carp::confess("Cannot assign a value to a read-only accessor") if scalar(@_) >= 2;' . "\n";
+ elsif($type eq 'ro') {
+ $accessor .= 'Carp::confess("Cannot assign a value to a read-only accessor of $name") if scalar(@_) >= 2;' . "\n";
}
else{
$class->throw_error("Unknown accessor type '$type'");
}
- if ($attribute->is_lazy) {
+ if ($attribute->is_lazy and $type ne 'wo') {
my $value;
if (defined $builder){
$value = '$default';
}
+ $accessor .= "els" if $type eq 'rw';
$accessor .= "if(!exists $slot){\n";
if($should_coerce){
$accessor .= "$slot = \$constraint->coerce($value)";
}
elsif(defined $constraint){
$accessor .= "my \$tmp = $value;\n";
-
$accessor .= "\$compiled_type_constraint->(\$tmp)";
- $accessor .= " || \$attribute->verify_type_constraint_error(\$name, \$tmp, \$constraint);\n";
+ $accessor .= " || \$attribute->_throw_type_constraint_error(\$tmp, \$constraint);\n";
$accessor .= "$slot = \$tmp;\n";
}
else{
$accessor .= "$slot = $value;\n";
}
+ if ($is_weak) {
+ $accessor .= "Scalar::Util::weaken($slot) if ref $slot;\n";
+ }
$accessor .= "}\n";
}
$accessor .= "return $slot;\n}\n";
- #print "# class ", $class->name, "\n", $accessor, "\n";
+ warn $accessor if _MOUSE_DEBUG;
my $code;
my $e = do{
local $@;
return $code;
}
-sub _generate_reader{
- my $class = shift;
- return $class->_generate_accessor(@_, 'reader');
+sub _generate_accessor{
+ #my($self, $attribute, $metaclass) = @_;
+ my $self = shift;
+ return $self->_generate_accessor_any(rw => @_);
}
-sub _generate_writer{
- my $class = shift;
- return $class->_generate_accessor(@_, 'writer');
+sub _generate_reader {
+ #my($self, $attribute, $metaclass) = @_;
+ my $self = shift;
+ return $self->_generate_accessor_any(ro => @_);
}
+sub _generate_writer {
+ #my($self, $attribute, $metaclass) = @_;
+ my $self = shift;
+ return $self->_generate_accessor_any(wo => @_);
+}
sub _generate_predicate {
- my (undef, $attribute, $class) = @_;
+ #my($self, $attribute, $metaclass) = @_;
+ my(undef, $attribute) = @_;
my $slot = $attribute->name;
return sub{
}
sub _generate_clearer {
- my (undef, $attribute, $class) = @_;
+ #my($self, $attribute, $metaclass) = @_;
+ my(undef, $attribute) = @_;
my $slot = $attribute->name;
-
- return sub{
+ return sub{
delete $_[0]->{$slot};
};
}
=head1 VERSION
-This document describes Mouse version 0.40_02
+This document describes Mouse version 0.84
=head1 SEE ALSO