/**
  * Tries to get method start line
  *
  * @param lang.XPClass $class
  * @param string $methodname
  * @return int
  */
 private function lineFor(XPClass $class, $methodname)
 {
     try {
         return $class->reflect()->getMethod($methodname)->getStartLine();
     } catch (\Exception $ignored) {
         return 0;
     }
 }