simple语言的词法和语法分析，包括token串的填写，符号表的填写，四元式的生成
-simple language morphology and syntax analysis, including token strings fill in, fill in the symbol table, the generation of type Quaternion
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001092s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.120154s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001394s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002032s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001518s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005283s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001183s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006847s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.024523s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001634s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 188558 [ RunTime:0.040073s ]
