function getParentSelector() {
  const type = NodeType.ParentSelectorType;
  const token = tokens[pos];
  const line = token.ln;
  const column = token.col;
  const content = '&';

  pos++;

  return newNode(type, content, line, column);
}
function getParentSelector() {
  const type = NodeType.ParentSelectorType;
  const token = tokens[pos];
  const line = token.ln;
  const column = token.col;
  const content = '&';

  pos++;

  return newNode(type, content, line, column);
}
function getParentSelector ( ) { const type = NodeType . ParentSelectorType ; const token = tokens [ pos ] ; const line = token . ln ; const column = token . col ; const content = '&' ; pos ++ ; return newNode ( type , content , line , column ) ; }
Get node with a parent selector
@return {Node}
Get node with a parent selector