X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FClass%2FMOP%2FMethod%2FConstructor.pm;h=2aecc43e0f5f8477d36ab21a8d3ab64ac7ccfb81;hb=806f6da408787e019aa0ced4313f255682a1c35f;hp=40ed1fc9f2011a32afa74f1a9584512e5bd3f404;hpb=b7045e66bdf4de33d9d766e9ab2d914c5ca07181;p=gitmo%2FClass-MOP.git

diff --git a/lib/Class/MOP/Method/Constructor.pm b/lib/Class/MOP/Method/Constructor.pm
index 40ed1fc..2aecc43 100644
--- a/lib/Class/MOP/Method/Constructor.pm
+++ b/lib/Class/MOP/Method/Constructor.pm
@@ -7,7 +7,7 @@ use warnings;
 use Carp         'confess';
 use Scalar::Util 'blessed', 'weaken', 'looks_like_number';
 
-our $VERSION   = '0.71';
+our $VERSION   = '0.78';
 $VERSION = eval $VERSION;
 our $AUTHORITY = 'cpan:STEVAN';
 
@@ -52,6 +52,8 @@ sub _new {
     }, $class;
 }
 
+sub can_be_inlined { 1 }
+
 ## accessors
 
 sub options              { (shift)->{'options'}              }
@@ -87,6 +89,8 @@ sub generate_constructor_method {
 sub generate_constructor_method_inline {
     my $self = shift;
 
+    my $close_over = {};
+
     my $source = 'sub {';
     $source .= "\n" . 'my $class = shift;';
 
@@ -97,28 +101,25 @@ sub generate_constructor_method_inline {
 
     $source .= "\n" . 'my $instance = ' . $self->meta_instance->inline_create_instance('$class');
     $source .= ";\n" . (join ";\n" => map {
-        $self->_generate_slot_initializer($_)
+        $self->_generate_slot_initializer($_, $close_over)
     } 0 .. (@{$self->attributes} - 1));
     $source .= ";\n" . 'return $instance';
     $source .= ";\n" . '}';
     warn $source if $self->options->{debug};
 
-    my $code;
-    {
-        # NOTE:
-        # create the nessecary lexicals
-        # to be picked up in the eval
-        my $attrs = $self->attributes;
+    my $code = $self->_eval_closure(
+        $close_over,
+        $source
+    );
+    confess "Could not eval the constructor :\n\n$source\n\nbecause :\n\n$@" if $@;
 
-        $code = eval $source;
-        confess "Could not eval the constructor :\n\n$source\n\nbecause :\n\n$@" if $@;
-    }
     return $code;
 }
 
 sub _generate_slot_initializer {
     my $self  = shift;
     my $index = shift;
+    my $close = shift;
 
     my $attr = $self->attributes->[$index];
 
@@ -131,7 +132,9 @@ sub _generate_slot_initializer {
         # in which case we can just deal with them
         # in the code we eval.
         if ($attr->is_default_a_coderef) {
-            $default = '$attrs->[' . $index . ']->default($instance)';
+            my $idx = @{$close->{'@defaults'}||=[]};
+            push(@{$close->{'@defaults'}}, $attr->default);
+            $default = '$defaults[' . $idx . ']->($instance)';
         }
         else {
             $default = $attr->default;
@@ -149,12 +152,12 @@ sub _generate_slot_initializer {
           'if(exists $params->{\'' . $attr->init_arg . '\'}){' . "\n" .
                 $self->meta_instance->inline_set_slot_value(
                     '$instance',
-                    ("'" . $attr->name . "'"),
+                    $attr->name,
                     '$params->{\'' . $attr->init_arg . '\'}' ) . "\n" .
            '} ' . (!defined $default ? '' : 'else {' . "\n" .
                 $self->meta_instance->inline_set_slot_value(
                     '$instance',
-                    ("'" . $attr->name . "'"),
+                    $attr->name,
                      $default ) . "\n" .
            '}')
         );
@@ -162,7 +165,7 @@ sub _generate_slot_initializer {
         return (
             $self->meta_instance->inline_set_slot_value(
                 '$instance',
-                ("'" . $attr->name . "'"),
+                $attr->name,
                  $default ) . "\n"
         );
     } else { return '' }
@@ -227,6 +230,12 @@ metaclass which is passed into C<new>.
 This returns a boolean, but since constructors are very rarely
 not inlined, this always returns true for now.
 
+=item B<can_be_inlined>
+
+This method always returns true in this class. It exists so that
+subclasses (like in Moose) can override and do some sort of checking
+to determine whether or not inlining the constructor is safe.
+
 =item B<initialize_body>
 
 This creates the code reference for the constructor itself.
@@ -249,7 +258,7 @@ Stevan Little E<lt>stevan@iinteractive.comE<gt>
 
 =head1 COPYRIGHT AND LICENSE
 
-Copyright 2006-2008 by Infinity Interactive, Inc.
+Copyright 2006-2009 by Infinity Interactive, Inc.
 
 L<http://www.iinteractive.com>