code: @SuppressWarnings("incomplete-switch")
  	protected void parseToken() {
  		switch (tokenizer.getTokenType()) {
  		case SQL:
  			parseSql();
  			break;
  		case COMMENT:
  			parseComment();
  			break;
  		case ELSE:
  			parseElse(tokenizer.getToken().length());
  			break;
  		case BIND_VARIABLE:
  			parseBindVariable();
  			break;
  		}
  	}
docs: トークン解析