Don't really like the parameter "superclass"

[gitmo/Moose.git] / lib / Moose / Util.pm

diff --git a/lib/Moose/Util.pm b/lib/Moose/Util.pm
index 8b4c34f..4b21967 100644 (file)
--- a/lib/Moose/Util.pm
+++ b/lib/Moose/Util.pm
@@ -29,6 +29,7 @@ my @exports = qw[
     english_list
     meta_attribute_alias
     meta_class_alias
+    throw
 ];
 
 Sub::Exporter::setup_exporter({
@@ -308,12 +309,14 @@ sub meta_class_alias {
 
 # XXX - this should be added to Params::Util
 sub _STRINGLIKE0 ($) {
-    return _STRING( $_[0] )
-        || ( defined $_[0]
-        && $_[0] eq q{} )
-        || ( blessed $_[0]
-        && overload::Method( $_[0], q{""} )
-        && length "$_[0]" );
+    return 1 if _STRING( $_[0] );
+    if ( blessed $_[0] ) {
+        return overload::Method( $_[0], q{""} );
+    }
+
+    return 1 if defined $_[0] && $_[0] eq q{};
+
+    return 0;
 }
 
 sub _reconcile_roles_for_metaclass {
@@ -468,6 +471,34 @@ sub _is_role_only_subclass {
     return 1;
 }
 
+sub throw {
+    if (@_ % 2) {
+        unshift @_, 'message';
+    }
+
+    my %args = @_;
+
+    my $class = delete($args{class}) || 'Moose::Exception';
+    my $roles = delete($args{roles});
+
+    my $metaclass;
+
+    load_class($class);
+
+    if ($roles) {
+        $metaclass = Moose::Meta::Class->create_anon_class(
+            superclasses => [$class],
+            roles        => $roles,
+        );
+    }
+    else {
+        $metaclass = Moose::Meta::Class->initialize($class);
+    }
+
+    $metaclass->name->throw(\%args);
+}
+
+
 1;
 
 # ABSTRACT: Utilities for working with Moose classes