From: Stevan Little <stevan.little@iinteractive.com>
Date: Mon, 20 Nov 2006 17:31:15 +0000 (+0000)
Subject: foo
X-Git-Tag: 0_18_002^0
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=fb34ec01b92df1201f21a69af4bb68adcf841488;p=gitmo%2FMoose.git

foo
---

diff --git a/lib/Moose/Meta/Method/Destructor.pm b/lib/Moose/Meta/Method/Destructor.pm
new file mode 100644
index 0000000..e273361
--- /dev/null
+++ b/lib/Moose/Meta/Method/Destructor.pm
@@ -0,0 +1,85 @@
+
+package Moose::Meta::Method::Destructor;
+
+use strict;
+use warnings;
+
+use Carp         'confess';
+use Scalar::Util 'blessed', 'weaken';
+
+our $VERSION   = '0.01';
+our $AUTHORITY = 'cpan:STEVAN';
+
+use base 'Moose::Meta::Method';
+
+sub new {
+    my $class   = shift;
+    my %options = @_;
+    
+    (exists $options{options} && ref $options{options} eq 'HASH')
+        || confess "You must pass a hash of options";    
+    
+    my $self = bless {
+        # from our superclass
+        '&!body'          => undef,        
+        # ...
+        '%!options'              => $options{options},        
+        '$!associated_metaclass' => $options{metaclass},
+    } => $class;
+
+    # we don't want this creating 
+    # a cycle in the code, if not 
+    # needed
+    weaken($self->{'$!associated_metaclass'});    
+
+    $self->intialize_body;
+
+    return $self;    
+}
+
+## accessors 
+
+sub options              { (shift)->{'%!options'}              }
+sub associated_metaclass { (shift)->{'$!associated_metaclass'} }
+
+## method
+
+sub is_needed { defined $_[0]->{'&!body'} ? 1 : 0 }
+
+sub intialize_body {
+    my $self = shift;
+    # TODO:
+    # the %options should also include a both 
+    # a call 'initializer' and call 'SUPER::' 
+    # options, which should cover approx 90% 
+    # of the possible use cases (even if it 
+    # requires some adaption on the part of 
+    # the author, after all, nothing is free)
+    my $source = 'sub {';
+
+    my @DEMOLISH_calls;
+    foreach my $method ($self->associated_metaclass->find_all_methods_by_name('DEMOLISH')) {
+        push @DEMOLISH_calls => '$_[0]->' . $method->{class} . '::DEMOLISH()';    
+    }
+    
+    $source .= join "\n" => @DEMOLISH_calls;
+
+    $source .= ";\n" . '}'; 
+    warn $source if $self->options->{debug};    
+    
+    my $code;
+    {
+        $code = eval $source;
+        confess "Could not eval the destructor :\n\n$source\n\nbecause :\n\n$@" if $@;
+    }
+    $self->{'&!body'} = $code;
+}
+
+
+1;
+
+__END__
+
+=pod
+
+=cut
\ No newline at end of file