用c#编写的c语言词法分析器,预处理注释,并使用数据库查询关键字. 注意数据库需要重新连接,使用microsoft jet 4.0,数据库文件为keytable.mdb-prepared with the c language lexical analyzer, pretreatment Notes and the use of database queries. databases need to re-connect microsoft used jet 4.0, database fi