X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMoose%2FMeta%2FMethod%2FConstructor.pm;h=ff26a107ce80a47b7218d5447fbcbc704820b3b5;hb=0953b5a4784ae9e36130d87ad9bff255b5c581c8;hp=65abb685fb145e69abb23e1a54ae376e181feec8;hpb=19a330e587fbf184f16bfc650de8bc6301098170;p=gitmo%2FMoose.git

diff --git a/lib/Moose/Meta/Method/Constructor.pm b/lib/Moose/Meta/Method/Constructor.pm
index 65abb68..ff26a10 100644
--- a/lib/Moose/Meta/Method/Constructor.pm
+++ b/lib/Moose/Meta/Method/Constructor.pm
@@ -4,9 +4,10 @@ package Moose::Meta::Method::Constructor;
 use strict;
 use warnings;
 
+use Carp ();
 use Scalar::Util 'blessed', 'weaken', 'looks_like_number', 'refaddr';
 
-our $VERSION   = '1.03';
+our $VERSION   = '1.15';
 our $AUTHORITY = 'cpan:STEVAN';
 
 use base 'Moose::Meta::Method',
@@ -59,9 +60,11 @@ sub _initialize_body {
 
     $source .= "\n" . 'my $class = Scalar::Util::blessed($_instance) || $_instance;';
 
-    $source .= "\n" . 'return $class->Moose::Object::new(@_)';
-    $source .= "\n    if \$class ne '" . $self->associated_metaclass->name
-            .  "';\n";
+    $source .= "\n" . "if (\$class ne '" . $self->associated_metaclass->name
+            .  "') {";
+    $source .= "\n    return "
+            .  $self->_generate_fallback_constructor('$class') . ";";
+    $source .= "\n}\n";
 
     $source .= $self->_generate_params('$params', '$class');
     $source .= $self->_generate_instance('$instance', '$class');
@@ -93,11 +96,14 @@ sub _initialize_body {
         defined $_ ? $_->_compiled_type_constraint : undef;
     } @type_constraints;
 
+    my $defaults = [map { $_->default } @$attrs];
+
     my ( $code, $e ) = $self->_compile_code(
         code => $source,
         environment => {
             '$meta'  => \$self,
             '$attrs' => \$attrs,
+            '$defaults' => \$defaults,
             '@type_constraints' => \@type_constraints,
             '@type_constraint_bodies' => \@type_constraint_bodies,
         },
@@ -111,6 +117,11 @@ sub _initialize_body {
     $self->{'body'} = $code;
 }
 
+sub _generate_fallback_constructor {
+    my ( $self, $class_var ) = @_;
+    "${class_var}->Moose::Object::new(\@_)";
+}
+
 sub _generate_params {
     my ( $self, $var, $class_var ) = @_;
     "my $var = " . $self->_generate_BUILDARGS( $class_var, '@_' ) . ";\n";
@@ -119,7 +130,7 @@ sub _generate_params {
 sub _generate_instance {
     my ( $self, $var, $class_var ) = @_;
     "my $var = "
-        . $self->_meta_instance->inline_create_instance($class_var) . ";\n";
+        . $self->associated_metaclass->inline_create_instance($class_var) . ";\n";
 }
 
 sub _generate_slot_initializers {
@@ -134,15 +145,35 @@ sub _generate_BUILDARGS {
 
     my $buildargs = $self->associated_metaclass->find_method_by_name("BUILDARGS");
 
-    if ( $args eq '@_' and ( !$buildargs or $buildargs->body == \&Moose::Object::BUILDARGS ) ) {
-        return join("\n",
-            'do {',
-            $self->_inline_throw_error('"Single parameters to new() must be a HASH ref"', 'data => $_[0]'),
-            '    if scalar @_ == 1 && !( defined $_[0] && ref $_[0] eq q{HASH} );',
-            '(scalar @_ == 1) ? {%{$_[0]}} : {@_};',
-            '}',
-        );
-    } else {
+    if ( $args eq '@_'
+        and ( !$buildargs or $buildargs->body == \&Moose::Object::BUILDARGS )
+        ) {
+
+        # This is the same logic as Moose::Object::BUILDARGS
+        return sprintf( <<'EOF', $self->_inline_throw_error( q{'Single parameters to new() must be a HASH ref'}, 'data => $_[0]' ) );
+do {
+    my $params;
+    if ( scalar @_ == 1 ) {
+        unless ( defined $_[0] && ref $_[0] eq 'HASH' ) {
+            %s
+        }
+        $params = { %%{ $_[0] } };
+    }
+    elsif ( @_ %% 2 ) {
+        Carp::carp(
+            "The new() method for $class expects a hash reference or a key/value list."
+                . " You passed an odd number of arguments" );
+        $params = { @_, undef };
+    }
+    else {
+        $params = {@_};
+    }
+    $params
+};
+EOF
+            ;
+    }
+    else {
         return $class . "->BUILDARGS($args)";
     }
 }
@@ -176,10 +207,7 @@ sub _generate_triggers {
             . $i
             . ']->trigger->('
             . '$instance, '
-            . $self->_meta_instance->inline_get_slot_value(
-                  '$instance',
-                  $attr->name,
-              )
+            . $attr->inline_get('$instance')
             . ', '
             . ');' . "\n}";
     }
@@ -263,32 +291,18 @@ sub _generate_slot_assignment {
 
     my $source;
 
-    if ($attr->has_initializer) {
-        $source = (
-            '$attrs->[' . $index . ']->set_initial_value($instance, ' . $value . ');'
-        );
+    if ( $attr->has_initializer ) {
+        return
+              '$attrs->['
+            . $index
+            . ']->set_initial_value($instance, '
+            . $value . ');';
     }
     else {
-        $source = (
-            $self->_meta_instance->inline_set_slot_value(
-                '$instance',
-                $attr->name,
-                $value
-            ) . ';'
-        );
-    }
-
-    my $is_moose = $attr->isa('Moose::Meta::Attribute'); # XXX FIXME
-
-    if ($is_moose && $attr->is_weak_ref) {
-        $source .= (
-            "\n" .
-            $self->_meta_instance->inline_weaken_slot_value(
-                '$instance',
-                $attr->name
-            ) .
-            ' if ref ' . $value . ';'
-        );
+        return $attr->inline_set(
+            '$instance',
+            $value
+        ) . ';';
     }
 
     return $source;
@@ -333,22 +347,6 @@ sub _generate_type_constraint_check {
     );
 }
 
-sub _generate_default_value {
-    my ($self, $attr, $index) = @_;
-    # NOTE:
-    # default values can either be CODE refs
-    # in which case we need to call them. Or
-    # they can be scalars (strings/numbers)
-    # in which case we can just deal with them
-    # in the code we eval.
-    if ($attr->is_default_a_coderef) {
-        return '$attrs->[' . $index . ']->default($instance)';
-    }
-    else {
-        return q{"} . quotemeta( $attr->default ) . q{"};
-    }
-}
-
 1;
 
 __END__