File list (Check if you may need any files):
Pascalex
........\example.pas
........\example.str
........\example1.pas
........\out.txt
........\parser.cpp
........\parser.h
........\pascal.cpp
........\pascal.dsp
........\pascal.dsw
........\test2.pas
文法化简
........\common.h
........\grammer.out.txt
........\grammer.txt
........\grammer1.txt
........\grammer2.out.txt
........\main.c
........\Production.h
........\SymbolSet.h
........\文法化简.dsp
........\文法化简.dsw
........\消除单产生式.txt
........\消除无用产生式.txt
........\消除空产生式.txt