nl_tokens: 转化数字为数组，以支持for = item in 5 语法
pl_tokens: function transformNumberToArray ( newValue ) { newValue = newValue . trim ( ) ; const wordArray = newValue . split ( ' ' ) ; const number = wordArray [ wordArray . length - 1 ] ; const arr = [ ] ; if ( / ^\d+$ / . test ( number ) ) { for ( let i = 1 ; i < + number + 1 ; i ++ ) { arr . push ( i ) ; } newValue = newValue . <mask> ( number , ` ${ arr } ` ) ; } return newValue ; }