Promote mixin concept to the abstractmetamodel module.

[nit.git] / src / syntax / mmbuilder.nit

diff --git a/src/syntax/mmbuilder.nit b/src/syntax/mmbuilder.nit
index 11678c8..e9bdce5 100644 (file)
--- a/src/syntax/mmbuilder.nit
+++ b/src/syntax/mmbuilder.nit
@@ -153,9 +153,6 @@ redef class MMSrcLocalClass
                end
        end
 
-       # A mixin class can be build the same way that one of its superclasses
-       readable attr _is_mixin: Bool = false
-
        # Introduce or inherit default constructors
        private meth process_default_constructors(v: PropertyBuilderVisitor)
        do
@@ -199,8 +196,7 @@ redef class MMSrcLocalClass
                        for gp in super_constructors do
                                var sc = gp.local_class
                                if supers.has(sc) then continue
-                               assert sc isa MMSrcLocalClass
-                               if not sc.is_mixin then
+                               if not sc.global.is_mixin then
                                        supers.add(sc)
                                end
                        end
@@ -222,7 +218,7 @@ redef class MMSrcLocalClass
                                        make_visible_an_inherited_global_property(gp)
                                end
                        end
-                       _is_mixin = true
+                       global.mixin_of = superclass.global
                else
                        # v.error(nodes.first, "Error, constructor required in {self} since no anonimous init found in {sc}.")