using?System;
using?System.Collections.Generic;
using?System.Linq;
using?System.Text;
using?System.Windows.Forms;

namespace?Analysis
{
????class?Arithmetic
????{
????????char?preChar;
????????List?option?=?new?List（）;
????????List?First?=?new?List（）;
????????public?List?getFirst
????????{
????????????get
????????????{
????????????????return?First;
????????????}
????????}
????????public?Arithmetic（List?option）
????????{
????????????this.option?=?option;
????????}
????????public?List?FindLeftVn（char?Vn）
????????{
????????????List?ls?=?new?List（）;
????????????foreach?（string?s?in?option）
????????????{
????????????????if?（Vn?==?s[0]）
????????????????{
????????????????????ls.Add（s）;
????????????????}
????????????}
????????????return?ls;
????????}
????????public?void?FindFirst（char?Vn）
????????{
????????????List?option?=?FindLeftVn（Vn）;
????????????foreach?（string?op?in?option）
????????????{
????????????????if?（（Char.IsUpper（op[3]）））
????????????????{
????????????????????FindFirst（op[3]）;
????????????????}
????????????????else
????????????????{
????????????????????First.Add（new?sponser（preChar?op[3]））;
????????????????}
????????????}
????????}
????????public?void?GetAllFirst（）
????????{
????????????First.Clear（）;
????????????foreach?（char?c?in?FirstDeleteVn（））
????????????{
????????????????preChar?=?c;
????????????????FindFirst（c）;
????????????}
????????????DeleteFirstResultVn（）;
????????????CombineResult（）;
????????}
????????public?List?FirstDeleteVn（）???????????//獲取候選式左邊的非終結(jié)符
????????{
????????????List?lc?=?new?List（）;
????????????foreach?（string?s?in?option）
????????????{
????????????????lc.Add（s[0]）;
????????????}
????????????for?（int?i?=?lc.Count?-?1;?i?>=?0;?i--）
????????????{
????????????????if?（lc.IndexOf（lc[i]）?!=?i）
????????????????{
????????????????????lc.RemoveAt（i）;
????????????????}
????????????}
????????????return?lc;
????????}
????????public?void?DeleteFirstResultVn（）???????????//刪除相同的非終結(jié)符的first集
????????{
????????????for?（int?j?=?0;?j?????????????{
????????????????for?（int?m?=?First.Count?-?1;?m?>?j;?m--）
????????????????{
????????????????????if?（First[m].getVn（）?==?First[j].getVn（））
????????????????????{
????????????????????????foreach?（char?c?in?First[m].getfirst（））
????????????????????????{
????????????????????????????if?（!First[j].getfirst（）.Contains（c））
????????????????????????????{
????????????????????????????????First[j].addfirst（c）;
????????????????????????????}
????????????????????????}
????????????????????????First.RemoveAt（m）;
????????????????????}
????????????????}
????????????}
????????}
????????public?void?CombineResult（）?????//含有空
????????{
????????????foreach?（sponser?s?in?First）
????????????{
????????????????List?ls?=?FindLeftVn（s.getVn（））;
????????????????int?isEmpty?=?0;
???????????

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件????????914??2009-11-06?14:12??Analysis\Analysis.sln

????..A..H.?????34304??2009-11-16?16:16??Analysis\Analysis.suo

?????文件???????3996??2009-11-13?14:41??Analysis\Analysis\Analysis.csproj

?????文件??????12448??2009-11-13?14:28??Analysis\Analysis\Arithmetic.cs

?????文件???????1413??2009-11-08?19:13??Analysis\Analysis\Grammar.cs

?????文件????????489??2009-11-06?15:49??Analysis\Analysis\Program.cs

?????文件????????816??2009-11-08?20:28??Analysis\Analysis\sposer.cs

?????文件???????1074??2009-11-13?15:08??Analysis\Analysis\StrToOption.cs

?????文件????????680??2009-11-08?22:22??Analysis\Analysis\TableSort.cs

?????文件???????3557??2009-11-15?13:55??Analysis\Analysis\Table.cs

?????文件???????6223??2009-11-16?16:07??Analysis\Analysis\Form1.resx

?????文件??????20527??2009-11-16?16:07??Analysis\Analysis\Form1.Designer.cs

?????文件??????12293??2009-11-16?16:07??Analysis\Analysis\Form1.cs

?????文件???????1356??2009-11-06?14:12??Analysis\Analysis\Properties\AssemblyInfo.cs

?????文件???????2866??2009-11-06?14:12??Analysis\Analysis\Properties\Resources.Designer.cs

?????文件???????5612??2009-11-06?14:12??Analysis\Analysis\Properties\Resources.resx

?????文件???????1093??2009-11-06?14:12??Analysis\Analysis\Properties\Settings.Designer.cs

?????文件????????249??2009-11-06?14:12??Analysis\Analysis\Properties\Settings.settings

?????文件???????4708??2009-11-16?16:07??Analysis\Analysis\obj\Debug\Analysis.csproj.FileListAbsolute.txt

?????文件??????29184??2009-11-16?16:07??Analysis\Analysis\obj\Debug\Analysis.exe

?????文件????????180??2009-11-16?16:07??Analysis\Analysis\obj\Debug\Analysis.Form1.resources

?????文件??????87552??2009-11-16?16:07??Analysis\Analysis\obj\Debug\Analysis.pdb

?????文件????????180??2009-11-13?15:38??Analysis\Analysis\obj\Debug\Analysis.Properties.Resources.resources

?????文件????????847??2009-11-16?16:07??Analysis\Analysis\obj\Debug\Analysis.csproj.GenerateResource.Cache

?????文件??????29184??2009-11-16?16:07??Analysis\Analysis\bin\Debug\Analysis.exe

?????文件??????87552??2009-11-16?16:07??Analysis\Analysis\bin\Debug\Analysis.pdb

?????文件??????14328??2009-11-16?16:07??Analysis\Analysis\bin\Debug\Analysis.vshost.exe

?????文件????????490??2007-07-21?01:33??Analysis\Analysis\bin\Debug\Analysis.vshost.exe.manifest

?????目錄??????????0??2009-11-16?22:36??Analysis\Analysis\obj\Debug\TempPE

?????目錄??????????0??2009-11-16?22:36??Analysis\Analysis\obj\Debug\Refactor

............此處省略13個(gè)文件信息