move eval_environment for constructors to the metaclass

[gitmo/Moose.git] / lib / Moose / Meta / Class.pm

diff --git a/lib/Moose/Meta/Class.pm b/lib/Moose/Meta/Class.pm
index f0f6253..57d76f5 100644 (file)
--- a/lib/Moose/Meta/Class.pm
+++ b/lib/Moose/Meta/Class.pm
@@ -479,6 +479,63 @@ sub _inline_BUILDALL {
     return @BUILD_calls;
 }
 
+sub _eval_environment {
+    my $self = shift;
+
+    my @attrs = sort { $a->name cmp $b->name } $self->get_all_attributes;
+
+    my $triggers = [
+        map { $_->can('has_trigger') && $_->has_trigger ? $_->trigger : undef }
+            @attrs
+    ];
+
+    # We need to check if the attribute ->can('type_constraint')
+    # since we may be trying to immutabilize a Moose meta class,
+    # which in turn has attributes which are Class::MOP::Attribute
+    # objects, rather than Moose::Meta::Attribute. And
+    # Class::MOP::Attribute attributes have no type constraints.
+    # However we need to make sure we leave an undef value there
+    # because the inlined code is using the index of the attributes
+    # to determine where to find the type constraint
+
+    my @type_constraints = map {
+        $_->can('type_constraint') ? $_->type_constraint : undef
+    } @attrs;
+
+    my @type_constraint_bodies = map {
+        defined $_ ? $_->_compiled_type_constraint : undef;
+    } @type_constraints;
+
+    my @type_coercions = map {
+        defined $_ && $_->has_coercion
+            ? $_->coercion->_compiled_type_coercion
+            : undef
+    } @type_constraints;
+
+    my @type_constraint_messages = map {
+        defined $_
+            ? ($_->has_message ? $_->message : $_->_default_message)
+            : undef
+    } @type_constraints;
+
+    return {
+        %{ $self->SUPER::_eval_environment },
+        ((any { defined && $_->has_initializer } @attrs)
+            ? ('$attrs' => \[@attrs])
+            : ()),
+        '$triggers' => \$triggers,
+        '@type_coercions' => \@type_coercions,
+        '@type_constraint_bodies' => \@type_constraint_bodies,
+        '@type_constraint_messages' => \@type_constraint_messages,
+        ( map { defined($_) ? %{ $_->inline_environment } : () }
+              @type_constraints ),
+        # pretty sure this is only going to be closed over if you use a custom
+        # error class at this point, but we should still get rid of this
+        # at some point
+        '$meta'  => \$self,
+    };
+}
+
 sub superclasses {
     my $self = shift;
     my $supers = Data::OptList::mkopt(\@_);