应用背景在此代码中 src 我们实施合适的编译器为 LL1 算法。在该算法中，我们必须要计算第一次和遵循从语法表计算。在我们的项目中我们得到克 m er 文件从 txt 文件，以及系统的输入是 jc 文件。具有输入近 C 代码关键技术在3节的LL1算法必须解决。在1，我们必须找到第一个没有终端令牌。在2，我们必须找到的后续从第一。我在项目中，我们有一个扫描仪来寻找令牌。然后用一个解析器解析3节。
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001373s ]
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:0.098161s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000979s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001136s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001039s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003099s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000894s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003729s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015138s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001413s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 78094 [ RunTime:0.020354s ]
