语法分析器
..........\topdown
..........\.......\a.txt
..........\.......\Debug
..........\.......\Release
..........\.......\topdown.cpp
..........\.......\topdown.dsp
..........\.......\topdown.dsw
..........\.......\topdown.ncb
..........\.......\topdown.opt
..........\.......\topdown.plg
..........\.......\topdown.sln
..........\.......\topdown.vcproj
..........\.......\topdown.vcproj.CHINA-81037B77E.Administrator.user