using?System;
using?System.Text;
using?System.Windows.Forms.Design;
using?System.IO;

public?class?Arithmetic{	

	private?string?vnSign?=?null;

????private?string?vtSign?=?null;

????private?StringBuilder?strTransport?=?null;

????private?char?nullSign?=?‘\0‘;

????const?char?dollarSign??=?‘$‘;

????const?char?pound?=?‘#‘;


????private?string[]?first1Collection?=?null;

????private?string[]?first2Collection?=?null;

????private?string[]?followCollection?=?null;

	private?string[]?selectCollection?=?null;

????private?string[]?tableOfNullSign?=?null;

????private?string[]?anaylsisTable?=?null;

	private?Grammar?grammar?=?null;

	public?string?VnSign{	
		get{
			return?this.vnSign;
		}	
	}
	
	public?string?VtSign{	
		get{
			return?this.vtSign;
		}	
	}

	public?char?NullSign{	
		get{
			return?this.nullSign;
		}	
	}
	
	public?string[]?First1Collection{	
		get{
			return?this.first1Collection;
		}	
	}
	
	public?string[]?First2Collection{	
		get{
			return?this.first2Collection;
		}	
	}
	
	public?string[]?FollowCollection{	
		get{
			return?this.followCollection;
		}	
	}
	
	public?string[]?SelectCollection{	
		get{
			return?this.selectCollection;
		}	
	}

????public?string[]?TableOfNullSign{
????????get{
????????????return?tableOfNullSign;
????????}
????}

????public?string[]?AnaylsisTable
????{
????????get{
????????????return?anaylsisTable;
????????}
????}

??
	public?Grammar?Grammar{	
		get{
			return?this.grammar;
		}
???????
	}

????public?void?SetGrammar（Grammar?grammar）{
????????this.grammar?=?grammar;
????}

	public?void?ComputeSignCollection（）{
????????for?（int?i?=?0;?i?????????{
????????????for?（int?j?=?0;?j?????????????{
???????????????if?（System.Char.IsUpper（grammar[i][j]））
???????????????{
???????????????????SetCollectionValue（ref?vnSign?grammar[i][j]）;
???????????????}
???????????????else?if?（grammar[i][j]?==?dollarSign）
???????????????{
???????????????????if?（nullSign?==?‘\0‘）
???????????????????????nullSign?=?grammar[i][j];
???????????????}
???????????????else
???????????????{
???????????????????if?（grammar[i][j]?==?dollarSign?||?grammar[i][j]?==?pound）
???????????????????{
???????????????????????break;
???????????????????}
???????????????????else?if?（grammar[i][j]?==?‘-‘?&&?grammar[i][j?+?1]?==?‘>‘）
???????????????????{
???????????????????????j?+=?1;
???????????????????????continue;
???????????????????}
???????????????????else
???????????????????{
???????????????????????SetCollectionValue（ref?vtSign?grammar[i][j]）;
???????????????????}

???????????????}
????????????}
????????}?
??????SortCollection（vnSign.Substring（1?vnSign.Length?-?1））;
??????vnSign?=?vnSign.Remove（1）;
??????vnSign?+=?strTransport.ToString（）;
??????SortCollection（vtSign）;
??????vtSign?=?strTransport.ToString（）;
	}

????private?void?SortCollection（string?str）{

????????in

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-01-12?23:19??translation\
?????目錄???????????0??2015-02-24?19:51??translation\translation\
?????文件?????????875??2015-01-12?23:19??translation\translation.sln
?????文件???????23552??2015-02-27?14:20??translation\translation.suo
?????文件???????30966??2015-02-24?22:22??translation\translation\Arithmetic.cs
?????目錄???????????0??2015-02-15?11:22??translation\translation\bin\
?????目錄???????????0??2015-02-27?11:31??translation\translation\bin\Debug\
?????文件?????????367??2015-02-28?11:46??translation\translation\bin\Debug\a.txt
?????文件???????34816??2015-02-27?14:19??translation\translation\bin\Debug\translation.exe
?????文件???????85504??2015-02-27?14:19??translation\translation\bin\Debug\translation.pdb
?????文件???????11600??2015-02-27?14:20??translation\translation\bin\Debug\translation.vshost.exe
?????文件?????????490??2013-03-18?17:00??translation\translation\bin\Debug\translation.vshost.exe.manifest
?????目錄???????????0??2015-02-15?11:22??translation\translation\bin\Release\
?????文件?????????155??2015-02-16?11:00??translation\translation\first.cs
?????文件????????9686??2015-02-27?14:19??translation\translation\Form1.cs
?????文件???????17302??2015-02-27?11:32??translation\translation\Form1.Designer.cs
?????文件????????5817??2015-02-27?11:32??translation\translation\Form1.resx
?????文件????????3893??2008-05-26?07:07??translation\translation\Grammar.cs
?????目錄???????????0??2015-01-12?23:19??translation\translation\obj\
?????目錄???????????0??2015-01-12?23:19??translation\translation\obj\x86\
?????目錄???????????0??2015-02-27?14:19??translation\translation\obj\x86\Debug\
?????文件????????5359??2015-01-14?14:51??translation\translation\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????6199??2015-02-27?14:19??translation\translation\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????目錄???????????0??2015-01-12?23:19??translation\translation\obj\x86\Debug\TempPE\
?????文件?????????484??2015-02-27?14:20??translation\translation\obj\x86\Debug\translation.csproj.FileListAbsolute.txt
?????文件?????????975??2015-02-27?11:32??translation\translation\obj\x86\Debug\translation.csproj.GenerateResource.Cache
?????文件???????34816??2015-02-27?14:19??translation\translation\obj\x86\Debug\translation.exe
?????文件?????????180??2015-02-27?11:32??translation\translation\obj\x86\Debug\translation.Form1.resources
?????文件???????85504??2015-02-27?14:19??translation\translation\obj\x86\Debug\translation.pdb
?????文件?????????180??2015-02-27?11:31??translation\translation\obj\x86\Debug\translation.Properties.Resources.resources
?????文件?????????492??2015-01-12?23:19??translation\translation\Program.cs
............此處省略8個文件信息