X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMouse%2FPurePerl.pm;h=94d57d888749699a97a3d49a398afe7fd874508a;hb=3b48bcc824fb6cfa90f907cf4d83e01c224a72dd;hp=a09d60609d180c0f6a172ae92b86447578e41b3f;hpb=6fffa61704e072b2248126490db2851343413d11;p=gitmo%2FMouse.git

diff --git a/lib/Mouse/PurePerl.pm b/lib/Mouse/PurePerl.pm
index a09d606..94d57d8 100644
--- a/lib/Mouse/PurePerl.pm
+++ b/lib/Mouse/PurePerl.pm
@@ -11,6 +11,19 @@ use warnings FATAL => 'redefine'; # to avoid to load Mouse::PurePerl
 
 use B ();
 
+
+# taken from Class/MOP.pm
+sub is_valid_class_name {
+    my $class = shift;
+
+    return 0 if ref($class);
+    return 0 unless defined($class);
+
+    return 1 if $class =~ /\A \w+ (?: :: \w+ )* \z/xms;
+
+    return 0;
+}
+
 sub is_class_loaded {
     my $class = shift;
 
@@ -193,9 +206,7 @@ sub _parameterize_Maybe_for {
     return sub{
         return !defined($_) || $check->($_);
     };
-};
-
-
+}
 
 package Mouse::Meta::Module;
 
@@ -447,12 +458,23 @@ sub _process_options{
 
     my $tc;
     if(exists $args->{isa}){
-        $args->{type_constraint} = Mouse::Util::TypeConstraints::find_or_create_isa_type_constraint($args->{isa});
+        $tc = $args->{type_constraint} = Mouse::Util::TypeConstraints::find_or_create_isa_type_constraint($args->{isa});
     }
-    elsif(exists $args->{does}){
-        $args->{type_constraint} = Mouse::Util::TypeConstraints::find_or_create_does_type_constraint($args->{does});
+
+    if(exists $args->{does}){
+        if(defined $tc){ # both isa and does supplied
+            my $does_ok = do{
+                local $@;
+                eval{ "$tc"->does($args) };
+            };
+            if(!$does_ok){
+                $class->throw_error("Cannot have both an isa option and a does option because '$tc' does not do '$args->{does}' on attribute ($name)");
+            }
+        }
+        else {
+            $tc = $args->{type_constraint} = Mouse::Util::TypeConstraints::find_or_create_does_type_constraint($args->{does});
+        }
     }
-    $tc = $args->{type_constraint};
 
     if($args->{coerce}){
         defined($tc)
@@ -661,7 +683,7 @@ Mouse::PurePerl - A Mouse guts in pure Perl
 
 =head1 VERSION
 
-This document describes Mouse version 0.50_02
+This document describes Mouse version 0.50_03
 
 =head1 SEE ALSO