nitg: add more info (for -v)

[nit.git] / src / native_interface / frontier.nit

diff --git a/src/native_interface/frontier.nit b/src/native_interface/frontier.nit
index b49782d..3d12896 100644 (file)
--- a/src/native_interface/frontier.nit
+++ b/src/native_interface/frontier.nit
@@ -36,7 +36,7 @@ abstract class NiVariable
        fun needs_preparation : Bool
        do
                return ni_type.local_class.primitive_info == null or
-                       ni_type.local_class.primitive_info.tagged or
+                       not ni_type.local_class.primitive_info.tagged or
                        ni_type.is_nullable
        end
 
@@ -533,7 +533,7 @@ redef class MMType
        # To be nested within a condition.
        fun compile_condition_isa( var_name : String ) : String
        do
-               return "( ISOBJ( {var_name} ) ? OBJISA( {var_name}, {local_class.cname} ): VALISA( {var_name}, {local_class.cname} ) )"
+               return "( ISOBJ( {var_name} ) ? ISNULL( {var_name} ) || OBJISA( {var_name}, {local_class.cname} ): VALISA( {var_name}, {local_class.cname} ) )"
        end
 
        # Defines a friendly type in C for a given Nit type.