code: @Override
  	public ContextTransformer parse() {
  		push(new ContainerNode(0, 0));
  		while (TokenType.EOF != tokenizer.next()) {
  			parseToken();
  		}
  		return new ContextTransformer(pop());
  	}
docs: {@inheritDoc}
  
  @see jp.co.future.uroborosql.parser.SqlParser#parse()