diff --git a/tpl/macro.twig b/tpl/macro.twig
index bb5eb74..0d91b7d 100644
--- a/tpl/macro.twig
+++ b/tpl/macro.twig
@@ -1,14 +1,14 @@
-{%- macro reg_func_native(o, scope = 'types.ns', this_prefix = '') ~%}
+{%- macro reg_func_native(o, scope = 'types.ns', this_prefix = '', this_type = null) ~%}
   {
     var fn = 
-    {{ _self.func_native(o, this_prefix) }}
+    {{ _self.func_native(o, this_prefix, this_type) }}
     ;
 
     {{scope}}.{{o.name|ns_prefix}}Define(fn);
   }
 {%- endmacro -%}
 
-{%- macro func_native(o, this_prefix = '') ~%}
+{%- macro func_native(o, this_prefix = '', this_type = null) ~%}
   
     new FuncSymbolNative(new Origin(), "{{o.name|ns_last}}",
 
@@ -23,7 +23,7 @@
       #if !BHL_FRONT
       delegate(VM.Frame frm, ValStack stack, FuncArgsInfo args_info, ref BHS status) {
 
-        {{ _self.read_args2natives(o, '__') }}
+        {{ _self.read_args2natives(o, '__', this_type) }}
 
         {%~ if o.returntype %}
         var return_val = 
@@ -286,7 +286,11 @@ Script_{{o.name|norm_name}}.Method_{{m.name}}.ReturnValue(frm, stack
   {% endif %}
 {%- endmacro -%}
 
-{%- macro local_native_vars(vars, prefix) -%}
+{%- macro local_native_vars(vars, prefix, this_type) -%}
+  {%- if this_type ~%}
+    {{this_type|native_type}} {{prefix}}self = default;
+  {%- endif -%}
+
   {%- for v in vars -%}
     {%- if has_token(v, 'bhl_ref_arg') -%}
       bhl.Val {{prefix}}{{v.name}} = default;
@@ -300,7 +304,7 @@ Script_{{o.name|norm_name}}.Method_{{m.name}}.ReturnValue(frm, stack
 {%- macro read_args2natives(o, arg_prefix, this_type = null, declare_locals = true) -%}
 
   {%- if declare_locals -%}
-  {{ _self.local_native_vars(o.args, arg_prefix) }}
+  {{ _self.local_native_vars(o.args, arg_prefix, this_type) }}
   {%- endif -%}
 
   {# traversing args in reverse order #}
@@ -624,7 +628,7 @@ Script_{{o.name|norm_name}}.Method_{{m.name}}.ReturnValue(frm, stack
 
     {% for m in o.getfuncs %}
       {% if has_token(m, 'bhl_native_prefix') %}
-        {{ _self.reg_func_native(m, 'cl', '(('~token_or(o, 'bhl_native_class', o.name)~')stack.PopRelease()._obj).') }}
+        {{ _self.reg_func_native(m, 'cl', '__self.', o) }}
       {% else %}
         {{ _self.method_partial(o, m, 'cl') }}
       {% endif %}
@@ -705,7 +709,7 @@ 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 %}
-    , {{ _self.func_native(m, '(('~token_or(o, 'bhl_native_class', o.name)~')stack.PopRelease()._obj).') }}
+    , {{ _self.func_native(m, '__self.', o) }}
     {% endfor %}
 
     );