immutable error

[gitmo/MooseX-Emulate-Class-Accessor-Fast.git] / lib / MooseX / Emulate / Class / Accessor / Fast.pm

diff --git a/lib/MooseX/Emulate/Class/Accessor/Fast.pm b/lib/MooseX/Emulate/Class/Accessor/Fast.pm
index 0f1fbdd..562fbbd 100644 (file)
--- a/lib/MooseX/Emulate/Class/Accessor/Fast.pm
+++ b/lib/MooseX/Emulate/Class/Accessor/Fast.pm
@@ -4,7 +4,7 @@ use Moose::Role;
 use Class::MOP ();
 use Scalar::Util ();
 
-our $VERSION = '0.00600';
+our $VERSION = '0.00700';
 
 =head1 NAME
 
@@ -102,7 +102,14 @@ will be passed. Please see L<Class::MOP::Attribute> for more information.
 sub mk_accessors{
   my $self = shift;
   my $meta = $locate_metaclass->($self);
+  my $class = $meta->name;
+  confess("You are trying to modify ${class}, which has been made immutable, this is ".
+    "not supported. Try subclassing ${class}, rather than monkeypatching it")
+    if $meta->is_immutable;
+
   for my $attr_name (@_){
+    $meta->remove_attribute($attr_name)
+      if $meta->find_attribute_by_name($attr_name);
     my $reader = $self->accessor_name_for($attr_name);
     my $writer = $self->mutator_name_for( $attr_name);
 
@@ -133,7 +140,13 @@ Create read-only accessors.
 sub mk_ro_accessors{
   my $self = shift;
   my $meta = $locate_metaclass->($self);
+  my $class = $meta->name;
+  confess("You are trying to modify ${class}, which has been made immutable, this is ".
+    "not supported. Try subclassing ${class}, rather than monkeypatching it")
+    if $meta->is_immutable;
   for my $attr_name (@_){
+    $meta->remove_attribute($attr_name)
+      if $meta->find_attribute_by_name($attr_name);
     my $reader = $self->accessor_name_for($attr_name);
     my @opts = ($meta->has_method($reader) ? () : (reader => $reader) );
     my $attr = $meta->add_attribute($attr_name, @opts);
@@ -154,7 +167,13 @@ Create write-only accessors.
 sub mk_wo_accessors{
   my $self = shift;
   my $meta = $locate_metaclass->($self);
+  my $class = $meta->name;
+  confess("You are trying to modify ${class}, which has been made immutable, this is ".
+    "not supported. Try subclassing ${class}, rather than monkeypatching it")
+    if $meta->is_immutable;
   for my $attr_name (@_){
+    $meta->remove_attribute($attr_name)
+      if $meta->find_attribute_by_name($attr_name);
     my $writer = $self->mutator_name_for($attr_name);
     my @opts = ($meta->has_method($writer) ? () : (writer => $writer) );
     my $attr = $meta->add_attribute($attr_name, @opts);