code: function getUiViewName(scope, attrs, element, $interpolate) {
    var name = $interpolate(attrs.uiView || attrs.name || '')(scope);
    var inherited = element.inheritedData('$uiView');
    return name.indexOf('@') >= 0 ?  name :  (name + '@' + (inherited ? inherited.state.name : ''));
  }
docs: Shared ui-view code for both directives:
  Given scope, element, and its attributes, return the view's name