一个用C语言写的词法分析程序，输入所给文法的源程序字符串，输出二元组构成的序列。附有实验报告-Using C language to write a lexical analysis program, enter the source string to the grammar, the output sequence of binary units. With the experimental report
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001587s ]
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:0.091835s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001283s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001898s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001245s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003594s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001067s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003201s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014684s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001403s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 239998 [ RunTime:0.001215s ]
