Better support for interface callbacks

tpl/macro.twig

@@ -1,6 +1,16 @@
 {%- macro reg_func_native(o, scope = 'types.ns', this_prefix = '') ~%}
   {
-    var fn = new FuncSymbolNative(new Origin(), "{{o.name|ns_last}}",
+    var fn = 
+    {{ _self.func_native(o, this_prefix) }}
+    ;
+
+    {{scope}}.{{o.name|ns_prefix}}Define(fn);
+  }
+{%- endmacro -%}
+
+{%- macro func_native(o, this_prefix = '') ~%}
+  
+    new FuncSymbolNative(new Origin(), "{{o.name|ns_last}}",
 
       {%- if has_token(o, 'bhl_coroutine') -%}
         FuncAttrib.Coro,
@@ -38,10 +48,7 @@
       {% if o.args %},{% endif %}
 
       {{ _self.func_decl_args(o) }}
-    );
-
-    {{scope}}.{{o.name|ns_prefix}}Define(fn);
-  }
+    )
 {%- endmacro -%}
 
 {%- macro reg_func_partial(o, scope = 'types.ns') ~%}
@@ -698,8 +705,7 @@ Script_{{o.name|norm_name}}.Method_{{m.name}}.ReturnValue(frm, stack
     var ifs = new InterfaceSymbolNative(new Origin(), "{{o.name|ns_last}}", null
 
     {% for m in o.getfuncs %}
-      , new FuncSymbolNative(new Origin(), "{{m.name}}", {{m.returntype|bhl_type_ref}}, 0, null)
-
+    , {{ _self.func_native(m, '(('~o.name~')stack.PopRelease()._obj).') }}
     {% endfor %}
 
     );