package Mouse::Meta::Method::Accessor;
use Mouse::Util qw(:meta); # enables strict and warnings
-use warnings FATAL => 'recursion';
-use Mouse::Meta::Method::Constructor; # for slot access
+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, $attr_name;
+}
sub _generate_accessor_any{
my($method_class, $type, $attribute, $class) = @_;
- my $c = 'Mouse::Meta::Method::Constructor';
-
- my $key = $attribute->name;
+ 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 $should_coerce = (defined($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 $instance = '$_[0]';
- my $slot = $c->_inline_get_slot($instance, $key);;
+ my $self = '$_[0]';
+ my $slot = $method_class->_inline_slot($self, $name);;
- 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{package %s;\n#line 1 "%s-accessor for %s (%s)"\n}, $class->name, $type, $name, __FILE__)
+ . "sub {\n";
if ($type eq 'rw' || $type eq 'wo') {
if($type eq 'rw'){
- $accessor .=
+ $accessor .=
'if (scalar(@_) >= 2) {' . "\n";
}
else{ # writer
- $accessor .=
- 'if(@_ < 2){ Carp::confess("Not enough arguments for the writer of '.$key.'") }'.
+ $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
$attribute->_throw_type_constraint_error('.$value.', $constraint);' . "\n";
# this setter
$accessor .= 'return ' if !$is_weak && !$trigger && !$should_deref;
- $accessor .= $c->_inline_set_slot($instance, $key, $value) . ";\n";
+ $accessor .= "$slot = $value;\n";
if ($is_weak) {
- $accessor .= $c->_inline_weaken_slot($instance, $key) ." if ref $slot;\n";
+ $accessor .= "Scalar::Util::weaken($slot) if ref $slot;\n";
}
if ($trigger) {
- $accessor .= '$trigger->('.$instance.', '.$value.');' . "\n";
+ $accessor .= '$trigger->('.$self.', '.$value.');' . "\n";
}
$accessor .= "}\n";
}
elsif($type eq 'ro') {
- $accessor .= 'Carp::confess("Cannot assign a value to a read-only accessor") if scalar(@_) >= 2;' . "\n";
+ $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){
- $value = "$instance->\$builder()";
+ $value = "$self->\$builder()";
}
elsif (ref($default) eq 'CODE'){
- $value = "$instance->\$default()";
+ $value = "$self->\$default()";
}
else{
$value = '$default';
}
- $accessor .= sprintf "if(!%s){\n", $c->_inline_has_slot($instance, $key);
+ $accessor .= "els" if $type eq 'rw';
+ $accessor .= "if(!exists $slot){\n";
if($should_coerce){
- $value = "\$constraint->coerce($value)";
+ $accessor .= "$slot = \$constraint->coerce($value)";
}
elsif(defined $constraint){
$accessor .= "my \$tmp = $value;\n";
-
$accessor .= "\$compiled_type_constraint->(\$tmp)";
$accessor .= " || \$attribute->_throw_type_constraint_error(\$tmp, \$constraint);\n";
- $value = '$tmp';
+ $accessor .= "$slot = \$tmp;\n";
+ }
+ 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";
+ $accessor .= "Scalar::Util::weaken($slot) if ref $slot;\n";
}
$accessor .= "}\n";
}
$accessor .= "return $slot;\n}\n";
- #print $accessor, "\n";
+ warn $accessor if _MOUSE_DEBUG;
my $code;
my $e = do{
local $@;
}
sub _generate_accessor{
- my $class = shift;
- return $class->_generate_accessor_any(rw => @_);
+ #my($self, $attribute, $metaclass) = @_;
+ my $self = shift;
+ return $self->_generate_accessor_any(rw => @_);
}
sub _generate_reader {
- my $class = shift;
- return $class->_generate_accessor_any(ro => @_);
+ #my($self, $attribute, $metaclass) = @_;
+ my $self = shift;
+ return $self->_generate_accessor_any(ro => @_);
}
sub _generate_writer {
- my $class = shift;
- return $class->_generate_accessor_any(wo => @_);
+ #my($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{
=head1 VERSION
-This document describes Mouse version 0.50_06
+This document describes Mouse version 0.84
=head1 SEE ALSO
projects / gitmo/Mouse.git / blobdiff