code: function getCondition() {
    const type = NodeType.ConditionType;
    const token = tokens[pos];
    const line = token.ln;
    const column = token.col;
    let content = [];
    let s;
    let _pos;
  
    content.push(getAtkeyword());
  
    while (pos < tokensLength) {
      if (checkBlock(pos)) break;
  
      s = checkSC(pos);
      _pos = pos + s;
  
      if (!_checkCondition(_pos)) break;
  
      if (s) content = content.concat(getSC());
      content.push(_getCondition());
    }
  
    return newNode(type, content, line, column);
  }
docs: Get node with a condition.
  @return {Array} `['condition', x]`