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 warnings FATAL => 'recursion';
-sub _inline_slot{
- my(undef, $self_var, $attr_name) = @_;
- return sprintf '%s->{q{%s}}', $self_var, $attr_name;
-}
+use Mouse::Meta::Method::Constructor; # for slot access
-sub _generate_accessor{
- my ($method_class, $attribute, $class, $type) = @_;
+sub _generate_accessor_any{
+ my($method_class, $type, $attribute, $class) = @_;
+
+ my $c = 'Mouse::Meta::Method::Constructor';
- my $name = $attribute->name;
+ my $key = $attribute->name;
my $default = $attribute->default;
my $constraint = $attribute->type_constraint;
my $builder = $attribute->builder;
my $compiled_type_constraint = defined($constraint) ? $constraint->_compiled_type_constraint : undef;
- my $self = '$_[0]';
- my $slot = $method_class->_inline_slot($self, $name);;
+ my $instance = '$_[0]';
+ my $slot = $c->_inline_get_slot($instance, $key);;
- $type ||= 'accessor';
+ my $accessor = sprintf(<<'END_SUB_START', $class->name, __LINE__, $type, $key, __FILE__);
+package %s;
+#line %d "%s-accessor for %s (%s)
+sub {
+END_SUB_START
- my $accessor = sprintf(qq{#line 1 "%s for %s (%s)"\n}, $type, $name, __FILE__)
- . "sub {\n";
-
- if ($type eq 'accessor' || $type eq 'writer') {
- if($type eq '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.'") }'.
+ 'if(@_ < 2){ Carp::confess("Not enough arguments for the writer of '.$key.'") }'.
'{' . "\n";
}
$accessor .=
"\n".
'$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
# this setter
$accessor .= 'return ' if !$is_weak && !$trigger && !$should_deref;
- $accessor .= "$slot = $value;\n";
+ $accessor .= $c->_inline_set_slot($instance, $key, $value) . ";\n";
if ($is_weak) {
- $accessor .= "Scalar::Util::weaken($slot) if ref $slot;\n";
+ $accessor .= $c->_inline_weaken_slot($instance, $key) ." if ref $slot;\n";
}
if ($trigger) {
- $accessor .= '$trigger->('.$self.', '.$value.');' . "\n";
+ $accessor .= '$trigger->('.$instance.', '.$value.');' . "\n";
}
$accessor .= "}\n";
}
- elsif($type eq 'reader') {
+ elsif($type eq 'ro') {
$accessor .= 'Carp::confess("Cannot assign a value to a read-only accessor") if scalar(@_) >= 2;' . "\n";
}
else{
my $value;
if (defined $builder){
- $value = "$self->\$builder()";
+ $value = "$instance->\$builder()";
}
elsif (ref($default) eq 'CODE'){
- $value = "$self->\$default()";
+ $value = "$instance->\$default()";
}
else{
$value = '$default';
}
- $accessor .= "if(!exists $slot){\n";
+ $accessor .= sprintf "if(!%s){\n", $c->_inline_has_slot($instance, $key);
if($should_coerce){
- $accessor .= "$slot = \$constraint->coerce($value)";
+ $value = "\$constraint->coerce($value)";
}
elsif(defined $constraint){
$accessor .= "my \$tmp = $value;\n";
- #XXX: The following 'defined and' check is for backward compatibility
- $accessor .= "defined(\$tmp) and ";
$accessor .= "\$compiled_type_constraint->(\$tmp)";
- $accessor .= " || \$attribute->verify_type_constraint_error(\$name, \$tmp, \$constraint);\n";
- $accessor .= "$slot = \$tmp;\n";
+ $accessor .= " || \$attribute->_throw_type_constraint_error(\$tmp, \$constraint);\n";
+ $value = '$tmp';
}
- else{
- $accessor .= "$slot = $value;\n";
+
+ $accessor .= $c->_inline_set_slot($instance, $key, $value) .";\n";
+
+ if ($is_weak) {
+ $accessor .= $c->_inline_weaken_slot($instance, $key) . " if ref $slot;\n";
}
$accessor .= "}\n";
}
$accessor .= "return $slot;\n}\n";
- #print "# class ", $class->name, "\n", $accessor, "\n";
+ #print $accessor, "\n";
my $code;
my $e = do{
local $@;
return $code;
}
-sub _generate_reader{
+sub _generate_accessor{
my $class = shift;
- return $class->_generate_accessor(@_, 'reader');
+ return $class->_generate_accessor_any(rw => @_);
}
-sub _generate_writer{
+sub _generate_reader {
my $class = shift;
- return $class->_generate_accessor(@_, 'writer');
+ return $class->_generate_accessor_any(ro => @_);
}
+sub _generate_writer {
+ my $class = shift;
+ return $class->_generate_accessor_any(wo => @_);
+}
sub _generate_predicate {
my (undef, $attribute, $class) = @_;
my (undef, $attribute, $class) = @_;
my $slot = $attribute->name;
-
- return sub{
+ return sub{
delete $_[0]->{$slot};
};
}
-sub _generate_delegation{
- my (undef, $attribute, $class, $reader, $handle_name, $method_to_call) = @_;
-
- return sub {
- my $instance = shift;
- my $proxy = $instance->$reader();
-
- my $error = !defined($proxy) ? ' is not defined'
- : ref($proxy) && !blessed($proxy) ? qq{ is not an object (got '$proxy')}
- : undef;
- if ($error) {
- $instance->meta->throw_error(
- "Cannot delegate $handle_name to $method_to_call because "
- . "the value of "
- . $attribute->name
- . $error
- );
- }
- $proxy->$method_to_call(@_);
- };
-}
-
-
1;
__END__
=head1 VERSION
-This document describes Mouse version 0.40_01
+This document describes Mouse version 0.50_04
=head1 SEE ALSO
projects / gitmo/Mouse.git / blobdiff