X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FClass%2FMOP%2FMethod%2FConstructor.pm;h=a3e955e907a067e13d0ba337950ed8e6f69234ae;hb=b4bd10ecd2eabe1a2c1bc3addad22b207f6592ee;hp=2730eb0408647fc7ccae356825b48ff020a98e53;hpb=d519662a06488c8d15eecbb2858f9bad58986731;p=gitmo%2FClass-MOP.git diff --git a/lib/Class/MOP/Method/Constructor.pm b/lib/Class/MOP/Method/Constructor.pm index 2730eb0..a3e955e 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 = '0.64_01'; +our $VERSION = '0.77'; $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;'; @@ -97,7 +101,7 @@ 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" . '}'; @@ -108,9 +112,11 @@ sub generate_constructor_method_inline { # NOTE: # create the nessecary lexicals # to be picked up in the eval - my $attrs = $self->attributes; - $code = eval $source; + $code = $self->_eval_closure( + $close_over, + $source + ); confess "Could not eval the constructor :\n\n$source\n\nbecause :\n\n$@" if $@; } return $code; @@ -119,6 +125,7 @@ sub generate_constructor_method_inline { sub _generate_slot_initializer { my $self = shift; my $index = shift; + my $close = shift; my $attr = $self->attributes->[$index]; @@ -131,7 +138,9 @@ 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; @@ -190,7 +199,7 @@ Class::MOP::Method::Constructor - Method Meta Object for constructors ); # calling the constructor ... - $constructor->body->($metaclass->name, %params); + $constructor->body->execute($metaclass->name, %params); =head1 DESCRIPTION @@ -227,6 +236,12 @@ metaclass which is passed into C. This returns a boolean, but since constructors are very rarely not inlined, this always returns true for now. +=item B + +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 This creates the code reference for the constructor itself.