Yacc 与 Lex
Yacc 与 Lex 快速入门 from:http://www.ibm.com/developerworks/cn/linux/sdk/lex/index.html#8
Lex、Yacc实现计算器 from:https://www6.software.ibm.com/developerworks/cn/education/aix/au-lexyacc/section4.html
Yacc 与 Lex 使用教程 from:http://blog.csdn.net/liwei_cmg/archive/2007/09/06/1774665.aspx
Yacc 与 Lex 集成开发环境配置 from:http://www.cppblog.com/pengkuny/archive/2007/04/23/22670.html