LL(1)的语法分析器，VC6.0编译器通过，输入输出的文件名详见代码，输出文件中的分析过程和编译原理课本要求类似，根据不同的句子可能需要重新调整对齐格式-A LL(1) parser, built by MS VC 6.0, an assignment of my Complier Principles course
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001948s ]
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:0.087328s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002502s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001972s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002229s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003618s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002031s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003374s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015233s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002548s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 179497 [ RunTime:0.001278s ]
