语法分析
........\Debug
........\.....\vc60.idb
........\.....\vc60.pdb
........\.....\yufa.exe
........\.....\yufa.ilk
........\.....\yufa.obj
........\.....\yufa.pch
........\.....\yufa.pdb
........\lr.h
........\status_stack.h
........\symbol_instr_stack.h
........\yufa.cpp
........\yufa.dsp
........\yufa.dsw
........\yufa.ncb
........\yufa.opt
........\yufa.plg