Generate getXNoTransform(int) for list children

fixes #254 (bitbucket)

ChangeLog

+2016-03-22  Jesper Öqvist <jesper.oqvist@cs.lth.se>
+
+    * Added code generation for getXNoTransform(int) to access list children
+    without triggering rewrites.
+
 2016-03-21  Jesper Öqvist <jesper.oqvist@cs.lth.se>
 
     * Added --safeLazy option which allows non-circular attributes to be

src/template/ast/components/ListComponent.tt

@@ -91,6 +91,16 @@ $endif
     $SynchEnd
   }
 
+  /**
+   * @return the element at index {@code i} in the $Name list without
+   * triggering rewrites.
+   */
+  $Modifier $Type $Host.get$(Name)NoTransform(int i) {
+    $SynchBegin
+    return ($Type) (($ListType) getChildNoTransform($Index)).getChildNoTransform(i);
+    $SynchEnd
+  }
+
   /**
    * Check whether the $Name list has any children.
    * @return {@code true} if it has at least one child, {@code false} otherwise.