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用C#編寫的語(yǔ)法分析器,可以自上而下進(jìn)行語(yǔ)法分析,進(jìn)行LL(1)分析

代碼片段和文件信息
using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Windows.Forms;
using?System.Collections;
namespace?LanguageAnalyse
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1()
????????{
????????????InitializeComponent();
????????}
????????private?void?button3_Click(object?sender?EventArgs?e)
????????{
????????????pictureBox1.Visible?=?true;
????????}
????????private?void?button4_Click(object?sender?EventArgs?e)
????????{
????????????DialogResult?ret;
????????????ret?=?MessageBox.Show(“確定要退出嗎?“
??????????????????????????????????“退出“
??????????????????????????????????MessageBoxButtons.OKCancel
??????????????????????????????????MessageBoxIcon.Question
??????????????????????????????????MessageBoxDefaultButton.Button2);
????????????if?(ret?==?DialogResult.OK)
????????????{
????????????????this.Close();
????????????}
????????}
????????private?void?label13_Click(object?sender?EventArgs?e)
????????{
????????}
????????#region?相關(guān)初始量(都是全局的)
????????public?string[]?term?=?{?“(“?“i“?“+“?“-“?“*“?“/“?“)“?“#“?};
????????public?string[]?unterm?=?{?“E“?“T“?“G“?“S“?“F“?};
????????Stack?MyStack?=?new?Stack();
????????Stack?InputStack?=?new?Stack();?
????????public?bool?con?=?true;
????????string?MyNowString;
????????public?int?line?row;
????????public?string[]?mystring?=?{?{?“TG“?“TG“?““?““?““?““?““?““?}?{?“FS“?“FS“?““?““?““?““?““?““?}?{?““?““?“+TG“?“-TG“?““?““?“ε“?“ε“?}?{?““?““?“ε“?“ε“?“*FS“?“/FS“?““?“ε“?}?{?“(E)“?“i“?““?““?““?““?““?““?}?};
????????#endregion
????????private?void?button1_Click(object?sender?EventArgs?e)
????????{
????????????if?(richTextBox1.Text?==?““)
????????????{
????????????????MessageBox.Show(“請(qǐng)輸入要分析的字符串“);
????????????}
????????????else
????????????{
????????????????//this.Output_listBox3.Items.Add(“E->TG“);
????????????????MyStack.Push(“#“);
????????????????MyStack.Push(“E“);
????????????????MyStack_listBox1.Items.Add(“#E“);
????????????????Input_listBox2.Items.Add(richTextBox1.Text?+?“#“);
????????????????InputStack.Push(“#“);
????????????????for?(int?i?=?richTextBox1.Text.Length?-?1;?i?>=?0;?i--)
????????????????{
????????????????????InputStack.Push(richTextBox1.Text[i]);
????????????????}
????????????????button1.Enabled?=?false;
????????????}
????????}
????????private?void?button5_Click(object?sender?EventArgs?e)
????????{
????????????int?loc;
????????????string?MyStackTop?MyStackInputTop;
????????????MyStackTop?=?MyStack.Peek().ToString();
????????????MyStackInputTop?=?InputStack.Peek().ToString();
????????????MyStackTopOne(MyStackTop);
????????????if?(MyStackTopOne(MyStackTop))
????????????{
????????????????MyStackTopTwo(MyStackTop?MyStackInputTop);
????????????}
????????????else?if?(MyStackTopThree(MyStackTop)?&&
????????????????MyInputStackTopOne(My
?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件??????35328??2013-05-19?19:51??LanguageAnalyse\LanguageAnalyse\bin\Debug\LanguageAnalyse.exe
?????文件??????34304??2013-05-19?19:51??LanguageAnalyse\LanguageAnalyse\bin\Debug\LanguageAnalyse.pdb
?????文件??????14328??2013-06-20?22:03??LanguageAnalyse\LanguageAnalyse\bin\Debug\LanguageAnalyse.vshost.exe
?????文件????????490??2009-06-11?05:14??LanguageAnalyse\LanguageAnalyse\bin\Debug\LanguageAnalyse.vshost.exe.manifest
?????文件???????7653??2013-05-19?19:51??LanguageAnalyse\LanguageAnalyse\Form1.cs
?????文件??????17768??2013-05-19?19:48??LanguageAnalyse\LanguageAnalyse\Form1.Designer.cs
?????文件???????5814??2013-05-19?19:48??LanguageAnalyse\LanguageAnalyse\Form1.resx
?????文件???????4082??2013-05-19?19:48??LanguageAnalyse\LanguageAnalyse\LanguageAnalyse.csproj
?????文件???????3224??2013-06-20?22:03??LanguageAnalyse\LanguageAnalyse\obj\Debug\LanguageAnalyse.csproj.FileListAbsolute.txt
?????文件???????1008??2013-05-19?19:48??LanguageAnalyse\LanguageAnalyse\obj\Debug\LanguageAnalyse.csproj.GenerateResource.Cache
?????文件??????35328??2013-05-19?19:51??LanguageAnalyse\LanguageAnalyse\obj\Debug\LanguageAnalyse.exe
?????文件????????180??2013-05-19?19:48??LanguageAnalyse\LanguageAnalyse\obj\Debug\LanguageAnalyse.Form1.resources
?????文件??????34304??2013-05-19?19:51??LanguageAnalyse\LanguageAnalyse\obj\Debug\LanguageAnalyse.pdb
?????文件??????17674??2013-05-19?19:48??LanguageAnalyse\LanguageAnalyse\obj\Debug\LanguageAnalyse.Properties.Resources.resources
?????文件???????5120??2013-05-19?19:48??LanguageAnalyse\LanguageAnalyse\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll
?????文件????????496??2013-04-19?09:02??LanguageAnalyse\LanguageAnalyse\Program.cs
?????文件???????1386??2013-04-19?09:02??LanguageAnalyse\LanguageAnalyse\Properties\AssemblyInfo.cs
?????文件???????3689??2013-05-19?19:48??LanguageAnalyse\LanguageAnalyse\Properties\Resources.Designer.cs
?????文件???????6765??2013-05-19?19:48??LanguageAnalyse\LanguageAnalyse\Properties\Resources.resx
?????文件???????1100??2013-04-19?09:02??LanguageAnalyse\LanguageAnalyse\Properties\Settings.Designer.cs
?????文件????????249??2013-04-19?09:02??LanguageAnalyse\LanguageAnalyse\Properties\Settings.settings
?????文件???????4970??2013-05-19?19:45??LanguageAnalyse\LanguageAnalyse\Resources\QQ截圖20130519194448.png
?????文件???????4944??2013-05-19?19:48??LanguageAnalyse\LanguageAnalyse\Resources\QQ截圖20130519194725.png
?????文件???????7059??2013-04-19?09:24??LanguageAnalyse\LanguageAnalyse\Resources\預(yù)測(cè)分析表.png
?????文件????????935??2013-04-19?09:02??LanguageAnalyse\LanguageAnalyse.sln
????..A..H.?????17408??2013-06-20?22:03??LanguageAnalyse\LanguageAnalyse.suo
?????文件???????4944??2013-05-19?19:47??LanguageAnalyse\QQ截圖20130519194725.png
?????文件??????27648??2013-05-19?19:44??LanguageAnalyse\分析表.doc
?????目錄??????????0??2013-05-17?10:05??LanguageAnalyse\LanguageAnalyse\obj\Debug\Refactor
?????目錄??????????0??2013-05-19?19:48??LanguageAnalyse\LanguageAnalyse\obj\Debug\TempPE
............此處省略11個(gè)文件信息
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