From ae8be178d5242d83a2591559b046b3d7be3373a4 Mon Sep 17 00:00:00 2001
From: u014427391 <362330721@qq.com>
Date: Tue, 2 Feb 2016 14:34:27 +0800
Subject: [PATCH] changes log

---
 .classpath                           |   6 +
 .project                             |  17 +
 .settings/org.eclipse.jdt.core.prefs |  11 +
 bin/com/lexer/Analyze.class          | Bin 0 -> 5276 bytes
 bin/com/lexer/LexerFrame.class       | Bin 0 -> 15133 bytes
 bin/com/lexer/Unidentifiable.class   | Bin 0 -> 800 bytes
 bin/com/lexer/Word.class             | Bin 0 -> 770 bytes
 doc/help.doc                         | Bin 0 -> 11264 bytes
 image/clear.png                      | Bin 0 -> 917 bytes
 image/copy.png                       | Bin 0 -> 910 bytes
 image/cut.png                        | Bin 0 -> 764 bytes
 image/exit.png                       | Bin 0 -> 999 bytes
 image/help.png                       | Bin 0 -> 1059 bytes
 image/lexer.png                      | Bin 0 -> 598 bytes
 image/open.png                       | Bin 0 -> 991 bytes
 image/paste.png                      | Bin 0 -> 1035 bytes
 image/save.png                       | Bin 0 -> 1013 bytes
 src/com/lexer/Analyze.java           | 306 +++++++++++++
 src/com/lexer/LexerFrame.java        | 621 +++++++++++++++++++++++++++
 src/com/lexer/Unidentifiable.java    |  38 ++
 src/com/lexer/Word.java              |  36 ++
 21 files changed, 1035 insertions(+)
 create mode 100644 .classpath
 create mode 100644 .project
 create mode 100644 .settings/org.eclipse.jdt.core.prefs
 create mode 100644 bin/com/lexer/Analyze.class
 create mode 100644 bin/com/lexer/LexerFrame.class
 create mode 100644 bin/com/lexer/Unidentifiable.class
 create mode 100644 bin/com/lexer/Word.class
 create mode 100644 doc/help.doc
 create mode 100644 image/clear.png
 create mode 100644 image/copy.png
 create mode 100644 image/cut.png
 create mode 100644 image/exit.png
 create mode 100644 image/help.png
 create mode 100644 image/lexer.png
 create mode 100644 image/open.png
 create mode 100644 image/paste.png
 create mode 100644 image/save.png
 create mode 100644 src/com/lexer/Analyze.java
 create mode 100644 src/com/lexer/LexerFrame.java
 create mode 100644 src/com/lexer/Unidentifiable.java
 create mode 100644 src/com/lexer/Word.java

diff --git a/.classpath b/.classpath
new file mode 100644
index 0000000..18d70f0
--- /dev/null
+++ b/.classpath
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/.project b/.project
new file mode 100644
index 0000000..ab3dbaf
--- /dev/null
+++ b/.project
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>lexer</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>
diff --git a/.settings/org.eclipse.jdt.core.prefs b/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 0000000..8000cd6
--- /dev/null
+++ b/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,11 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.6
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.6
diff --git a/bin/com/lexer/Analyze.class b/bin/com/lexer/Analyze.class
new file mode 100644
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diff --git a/bin/com/lexer/Word.class b/bin/com/lexer/Word.class
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diff --git a/image/clear.png b/image/clear.png
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GIT binary patch
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diff --git a/image/copy.png b/image/copy.png
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GIT binary patch
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diff --git a/image/cut.png b/image/cut.png
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GIT binary patch
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diff --git a/image/exit.png b/image/exit.png
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diff --git a/image/help.png b/image/help.png
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GIT binary patch
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diff --git a/image/lexer.png b/image/lexer.png
new file mode 100644
index 0000000000000000000000000000000000000000..75f2276f07c77a3664f2752be4766e1978c55352
GIT binary patch
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diff --git a/image/open.png b/image/open.png
new file mode 100644
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GIT binary patch
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HcmV?d00001

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literal 0
HcmV?d00001

diff --git a/image/save.png b/image/save.png
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GIT binary patch
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literal 0
HcmV?d00001

diff --git a/src/com/lexer/Analyze.java b/src/com/lexer/Analyze.java
new file mode 100644
index 0000000..9bd1690
--- /dev/null
+++ b/src/com/lexer/Analyze.java
@@ -0,0 +1,306 @@
+package com.lexer;
+
+import java.util.ArrayList;
+
+/** 
+ *	封装进行词法分析的方法
+ *	1~20号为关键字,用下标表示,i+1就是其机器码;21~40号为操作符,用下标表示,i+21就是其机器码;41~60号为分界符,
+ *  用下标表示,i+41就是其机器码;用户自定义的标识符，其机器码为51;常数的机器码为52；不可以识别的标识符，其机器码为0
+ */
+public class Analyze {
+
+	//关键字
+	private String keyword[]={"int","long","char","if","else","for","while","return","break","continue",
+			"switch","case","default","float","double","void","struct","static","do","short"};
+	
+	//运算符
+	private String operator[]={"+","-","*","/","%","=",">","<","!","==","!=",">=","<=","++","--","&","&&","||","[","]"};
+	
+	//分界符
+	private String delimiter[]={",",";","(",")","{","}","\'","\"",":","#"};
+	
+	public Analyze() {
+		
+	}
+	
+	/**
+	 * 判断是否是数字
+	 */
+	public boolean isDigit(char ch){
+		if(ch>='0'&&ch<='9'){
+			return true;
+		}else{
+			return false;
+		}
+	}
+	
+	/**
+	 * 判断是否是字母的函数
+	 */
+	public boolean isLetter(char ch){
+		if((ch>='a'&&ch<='z')||(ch>='A'&&ch<='Z')){
+			return true;
+		}else{
+			return false;
+		}
+	}
+	
+	/**
+	 * 判断是否由两个运算符组成
+	 */
+	public boolean isTwoOperator(String str,char ch){
+		char lc;
+		int flag=0;
+		if(str.length()>1||str.length()==0){//字符数大于2和无字符的情况
+			return false;
+		}else{//字符数等于2的情况
+			lc=str.charAt(str.length()-1);
+			if(ch=='='&&(lc=='>'||lc=='<'||lc=='='||lc=='!')){
+				
+			}else if(ch=='+'&&lc=='+'){
+				
+			}else if(ch=='-'&&lc=='-'){
+				
+			}else if(ch=='|'&&lc=='|'){
+				
+			}else if(ch=='&'&&lc=='&'){
+				
+			}else{
+				return false;//否就返回false
+			}
+			return true;//其它符号的情况都返回true
+		}
+	}
+	
+	/**
+	 * 获取关键字的机器码
+	 */
+	public int getKeywordOpcodes(String str){
+		
+		int i;	
+		for(i=0;i<keyword.length;i++){
+			if(str.equals(keyword[i]))
+				break;
+		}
+		if(i<keyword.length){
+			return i+1;//返回关键字的机器码
+		}else{
+			return 0;
+		}
+	}
+	
+	/**
+	 * 获取操作符的机器码
+	 */
+	public int getOperatorOpcodes(String str){
+		int i;
+		for(i=0;i<operator.length;i++){
+			if(str.equals(operator[i]))
+				break;
+		}
+		
+		if(i<operator.length)
+			return i+21;//返回操作符的机器码
+		else
+			return 0;
+	}
+	
+	/**
+	 * 获取分界符的机器码
+	 */
+	public int getDelimiterOpcodes(String str){
+		int i;
+		for(i=0;i<delimiter.length;i++){
+			if(str.equals(delimiter[i]))
+				break;
+		}
+		
+		if(i<delimiter.length)
+			return i+41;//返回分界符的机器码
+		else
+			return 0;
+	}
+		
+	/**
+	 * 判断字符是否可以识别
+	 */
+	public boolean isIdent(String str){
+		char ch;
+		int i;
+		for(i=0;i<str.length();i++){
+			ch=str.charAt(i);
+			//非数字串的情况和非由英文字母组成的字符串
+			if((i==0&&!isLetter(ch))||(!isDigit(ch)&&!isLetter(ch))){
+				break;
+			}
+		}
+		
+		if(i<str.length()){
+			return false;
+	    }else{
+			return true;
+	    }
+	}
+	
+	/**
+	 * 
+	 * 预处理函数
+	 */
+	public String preFunction(String str){
+		String ts="";
+		
+		int i;
+		
+		char ch,nc;
+		//这里的i<str.length()-1
+		for(i=0;i<str.length()-1;i++){	
+			ch=str.charAt(i);
+			nc=str.charAt(i+1);
+			
+			if(ch=='\n'){//如果字符是换行符,将\n换成$
+				ch='$';
+				ts=ts+ch;
+			}else if(ch==' '||ch=='\r'||ch=='\t'){
+				if(nc==' '||nc=='\r'||ch=='\t'){
+					continue;//连续' '或者'\t'或者'\r'的情况，直接跳过
+				}else{
+					ch=' ';//一个' '或者'\t'或者'\r'的情况，将这些字符换成' '
+					ts=ts+ch;
+				}
+			}else{
+				ts=ts+ch;//将字符连起来
+			}
+		}
+		
+		//
+		ch=str.charAt(str.length()-1);
+		if(ch!=' '&&ch!='\r'&&ch!='\t'&&ch!='\n'){
+			ts=ts+ch;
+		}
+		return ts;
+	}
+	
+	/**
+	 * 将字符串分成一个个单词，存放在数组列表
+	 */
+	public ArrayList<Word> divide(String str){
+		ArrayList<Word> list=new ArrayList<Word>();
+		
+		String s="";
+		char ch;
+		int i;
+		int row=1;
+		
+		for(i=0;i<str.length();i++){
+			ch=str.charAt(i);
+			if(i==0&&ch==' ')//字符串的第一个字符
+				continue;
+			if(ch==' '){//' '或者'\t'或者'\r'的情况
+				if(s!=""){
+					list.add(new Word(row, s));
+					s="";//置空
+				}else{
+					continue;
+				}
+			}else if(isDigit(ch)||isLetter(ch)){
+				if(s==""||isDigit(s.charAt(s.length()-1))||isLetter(s.charAt(s.length()-1))){
+					s = s + ch;
+				}else{
+					list.add(new Word(row, s));
+					s = "";
+					s=s + ch;
+				}	
+			}else{
+				if(isTwoOperator(s, ch)){//两个运算符的情况
+					s = s + ch;
+				}else{
+					if(s==""&&ch!='$'){
+						s = s + ch;
+					}else if(s==""&&ch=='$'){//若检测到$符号，就换行
+						row++;//行数加一
+					}else{
+						list.add(new Word(row, s));
+						s = "";
+						if(ch!='$'){
+							s=s + ch;
+						}else{
+							row++;
+						}
+					}
+				}	
+			}
+		}
+		if(s!=""){
+			list.add(new Word(row, s));
+		}
+		return list;
+	}
+	
+	/**
+	 * 判断字符串是数字串，单个字符，还是一个字符串
+	 */
+	public int check(String str){
+		char ch;
+		ch=str.charAt(0);
+		if(ch>='0'&&ch<='9'){
+			return 1;//数字串
+		}
+		if(str.length()==1)
+			return 2;//单个字符
+		else
+			return 3;//一个字符串
+	}
+	
+	/**
+	 * 
+	 * 检查字符串是否为数字串，返回其机器码
+	 */
+	public int checkDigit(String str){
+		int i;
+		char ch;
+		for(i=0;i<str.length();i++){
+			ch=str.charAt(i);
+			if(ch>'9'||ch<'0')
+				break;
+		}
+		if(i<str.length()){
+			return 0;//不可识别的情况
+		}else{
+			return 52;//常数
+		}
+	}
+	
+	/**
+	 * 
+	 * 检查字符串是否为单个字符，返回其机器码
+	 */
+	public int checkChar(String str){
+		if(getOperatorOpcodes(str)!=0){//操作符
+			return getOperatorOpcodes(str);
+		}else if(getDelimiterOpcodes(str)!=0){//分界符
+			return getDelimiterOpcodes(str);
+		}else if(isIdent(str)){
+			return 51;//用户自定义标识符的机器码
+		}else{
+			return 0;//不可以被识别的标识符，机器码为0
+		}
+	}
+	
+	/**
+	 * 
+	 * 检查字符串是否为字符串，返回其机器码
+	 */
+	public int checkString(String str){
+		if(getOperatorOpcodes(str)!=0){//操作符
+			return getOperatorOpcodes(str);
+		}else if(getKeywordOpcodes(str)!=0){//关键字
+			return getKeywordOpcodes(str);
+	   }else if(isIdent(str)){
+			return 51;//用户自定义标识符的机器码
+	   }else{
+			return 0;//不可以被识别的标识符，机器码为0
+	   }
+	}
+	
+	
+}
diff --git a/src/com/lexer/LexerFrame.java b/src/com/lexer/LexerFrame.java
new file mode 100644
index 0000000..592eee2
--- /dev/null
+++ b/src/com/lexer/LexerFrame.java
@@ -0,0 +1,621 @@
+package com.lexer;
+
+import java.awt.*;
+import java.awt.datatransfer.*;
+import java.awt.event.*;
+import java.io.*;
+import java.lang.reflect.Array;
+import java.util.ArrayList;
+
+import javax.swing.*;
+import javax.swing.table.DefaultTableModel;
+
+/**
+ * 
+ * 词法分析器界面类
+ */
+public class LexerFrame extends JFrame implements ActionListener{
+	
+	private JMenuBar menuBar;
+	
+	private JToolBar toolBar;
+	
+	private JMenu fileMenu;
+	
+	private JMenu editMenu;
+	
+	 //词法分析菜单
+	private JMenu  lexerMenu;
+	
+	private JMenu helpMenu;
+	
+	private JMenuItem openMenuItem;
+	
+	private JMenuItem saveMenuItem;
+	
+	private JMenuItem exitMenuItem;
+	
+	private JMenuItem cutMenuItem;
+	
+	private JMenuItem copyMenuItem;
+	
+	private JMenuItem pasteMenuItem;
+	
+	private JMenuItem clearMenuItem;
+	
+	 // 词法分析器菜单项
+	private JMenuItem lexerMenuItem;
+	
+	private JMenuItem helpMenuItem;
+	
+	private JMenuItem aboutMenuItem;
+	
+	private JButton openButton;
+	
+	//保存按钮
+	private JButton saveButton;
+	
+	//词法分析按钮
+	private JButton lexerButton;
+	
+	private JButton cutButton;
+	
+	private JButton copyButton;
+	
+	private JButton pasteButton;
+	
+	private JButton clearButton;
+	
+	private JButton exitButton;
+	
+	 // 分隔面板
+	private JSplitPane splitPane;
+	
+	 //左右面板
+	private JPanel leftPanel,rightPanel;
+	
+	//文件内容文本域
+	private JTextArea fileContentTextArea;
+	
+	//分析内容
+	private JTextArea analysisContentTextArea;
+	
+	
+	//表格
+	private JTable table;
+	
+	//表格模型
+	private DefaultTableModel model;
+		
+	//控制台文本域
+	private JTextArea consoleTextArea;
+	
+	//滚动面板
+	private JScrollPane scrollPane1;
+	private JScrollPane scrollPane2;
+	private JScrollPane scrollPane3;
+	
+	Analyze analyze=new Analyze();
+	
+	String title[]={"行","标识符","机器码"};
+	String values[][]={};
+	
+	
+	
+	/**
+	 * 创建菜单栏
+	 */
+	public void createMenu(){
+		
+		menuBar = new JMenuBar();
+		
+		//菜单
+		fileMenu = new JMenu("文件");
+		editMenu = new JMenu("编辑");
+		lexerMenu = new JMenu("词法分析");
+		helpMenu = new JMenu("帮助");
+		
+		//菜单项
+		ImageIcon openIcon=new ImageIcon("../lexer/image/open.png");
+		openMenuItem = new JMenuItem("打开",openIcon);
+		openMenuItem.addActionListener(this);
+		
+		ImageIcon saveIcon=new ImageIcon("../lexer/image/save.png");
+		saveMenuItem = new JMenuItem("保存",saveIcon);
+		saveMenuItem.addActionListener(this);
+		
+		ImageIcon exitIcon=new ImageIcon("../lexer/image/exit.png");
+		exitMenuItem = new JMenuItem("退出",exitIcon);
+		exitMenuItem.addActionListener(this);
+		
+		ImageIcon cutIcon=new ImageIcon("../lexer/image/cut.png");
+		cutMenuItem = new JMenuItem("剪切",cutIcon);
+		
+		ImageIcon copyIcon=new ImageIcon("../lexer/image/copy.png");
+		copyMenuItem = new JMenuItem("复制",copyIcon);
+		
+		ImageIcon pasteIcon=new ImageIcon("../lexer/image/paste.png");
+		pasteMenuItem = new JMenuItem("黏贴",pasteIcon);
+		
+		ImageIcon clearIcon=new ImageIcon("../lexer/image/clear.png");
+		clearMenuItem = new JMenuItem("清除",clearIcon);
+		clearMenuItem.addActionListener(this);
+		
+		ImageIcon lexerIcon=new ImageIcon("../lexer/image/lexer.png");
+		lexerMenuItem = new JMenuItem("词法分析器",lexerIcon);
+		lexerMenuItem.addActionListener(this);
+		
+		ImageIcon helpIcon=new ImageIcon("../lexer/image/help.png");
+		helpMenuItem = new JMenuItem("帮助",helpIcon);
+		helpMenuItem.addActionListener(this);
+		
+		ImageIcon aboutIcon=new ImageIcon("../lexer/image/lexer.png");
+		aboutMenuItem = new JMenuItem("关于",aboutIcon);
+		aboutMenuItem.addActionListener(this);
+		
+		//添加菜单项到菜单
+		fileMenu.add(openMenuItem);
+		fileMenu.add(saveMenuItem);
+		fileMenu.add(exitMenuItem);
+		
+		editMenu.add(cutMenuItem);
+		editMenu.add(copyMenuItem);
+		editMenu.add(pasteMenuItem);
+		editMenu.add(clearMenuItem);
+		
+		lexerMenu.add(lexerMenuItem);
+		
+		helpMenu.add(helpMenuItem);
+		helpMenu.add(aboutMenuItem);
+		
+		//添加菜单到菜单栏
+		menuBar.add(fileMenu);
+		menuBar.add(editMenu);
+		menuBar.add(lexerMenu);
+		menuBar.add(helpMenu);
+		
+		//设置菜单栏
+		setJMenuBar(menuBar);
+	}
+	
+	/**
+	 * 创建工具栏
+	 */
+	public void createToolBar(){
+		toolBar=new JToolBar();
+		
+		//工具栏上的按钮
+		openButton=new JButton(new ImageIcon("image/open.png"));
+		saveButton=new JButton(new ImageIcon("image/save.png"));
+		lexerButton=new JButton(new ImageIcon("image/lexer.png"));
+		cutButton=new JButton(new ImageIcon("image/cut.png"));
+		copyButton=new JButton(new ImageIcon("image/copy.png"));
+		pasteButton=new JButton(new ImageIcon("image/paste.png"));
+		clearButton=new JButton(new ImageIcon("image/clear.png"));
+		exitButton=new JButton(new ImageIcon("image/exit.png"));
+		
+		//添加事件监听器
+		openButton.addActionListener(this);
+		saveButton.addActionListener(this);
+		lexerButton.addActionListener(this);
+		cutButton.addActionListener(this);
+		copyButton.addActionListener(this);
+		pasteButton.addActionListener(this);
+		clearButton.addActionListener(this);
+		exitButton.addActionListener(this);
+		
+		//添加按钮到工具栏
+		toolBar.add(openButton);
+		toolBar.add(saveButton);
+		toolBar.add(lexerButton);
+		toolBar.add(cutButton);
+		toolBar.add(copyButton);
+		toolBar.add(pasteButton);
+		toolBar.add(clearButton);
+		toolBar.add(exitButton);
+		
+	}
+	
+	
+	/**
+	 * 打开文件
+	 */
+	public void openFile(){
+		JFileChooser fileChooser=new JFileChooser("打开文件");
+        int isOpen=fileChooser.showOpenDialog(null);
+        fileChooser.setDialogTitle("打开文件");
+		if(isOpen==JFileChooser.APPROVE_OPTION){
+        	String path=fileChooser.getSelectedFile().getPath();
+        	fileContentTextArea.setText(readFromFile(path));
+		}
+	}
+	
+	/**
+	 * 读取文件
+	 */
+	public String readFromFile(String path){
+		File file=new File(path);
+		String s=null;
+		try {
+		FileInputStream fin=new FileInputStream(file);
+		
+		int length=fin.available();
+		
+		byte arr[]=new byte[length];
+		
+		int len=fin.read(arr);
+		
+		s=new String(arr,0,len);
+		
+			
+		} catch (FileNotFoundException e) {
+		
+			e.printStackTrace();
+		} catch (IOException e) {
+			
+			e.printStackTrace();
+		}
+		return s;
+	}
+	
+	/**
+	 * 保存文件
+	 */
+	public void saveFile(){
+		JFileChooser fileChooser=new JFileChooser("保存文件");
+        int isSave=fileChooser.showSaveDialog(this);
+        fileChooser.setDialogTitle("保存文件");
+		String selectFileName="";
+        if(isSave==JFileChooser.APPROVE_OPTION){
+        	File file=fileChooser.getSelectedFile();
+        	selectFileName=fileChooser.getName(file);
+        	if(selectFileName.length()>0){
+        		if(!selectFileName.endsWith(".txt")){
+        			selectFileName=selectFileName.concat(".txt");
+        		}
+        		
+        		file=fileChooser.getCurrentDirectory();
+        		file=new File(file.getPath().concat(File.separator).concat(selectFileName));
+        		
+        		if(file.exists()){
+        			int i=JOptionPane.showConfirmDialog(this, "文件已经存在,是否覆盖?");
+        			if(i!=JOptionPane.YES_OPTION){
+        				return;
+        			}
+        		}
+        		
+        		try {
+					file.createNewFile();
+					FileWriter out=new FileWriter(file);
+					out.write(fileContentTextArea.getText());
+					out.close();
+					JOptionPane.showMessageDialog(this, "保存成功!");
+				} catch (IOException e) {
+					e.printStackTrace();
+				}
+        	}
+		}
+	}
+	
+	
+	/**
+	 * 剪切
+	 */
+	public void doCut(){
+		fileContentTextArea.cut();
+	}
+	
+	/**
+	 * 复制
+	 */
+	public void doCopy(){
+		int dot1,dot2;
+		
+		dot1=fileContentTextArea.getSelectionStart();
+		
+		dot2=fileContentTextArea.getSelectionEnd();
+		
+		if(dot1!=dot2){
+			fileContentTextArea.copy();
+			JOptionPane.showMessageDialog(null, "复制成功!");
+		}
+	}
+	
+	/**
+	 * 黏贴
+	 */
+	public void doPaste(){
+		
+		//调用系统剪切板
+		Clipboard clipboard=getToolkit().getSystemClipboard();
+		
+		Transferable content=clipboard.getContents(this);
+		
+		try {
+			if(content.getTransferData(DataFlavor.stringFlavor) instanceof String){
+				fileContentTextArea.paste();
+			}
+		} catch (UnsupportedFlavorException e) {
+			e.printStackTrace();
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+		
+	}
+	
+	/**
+	 * 清除文本框内容
+	 */
+	public void doClear(){
+		fileContentTextArea.setText(null);
+	}
+	
+	/**
+	 * 词法分析
+	 */
+	public void doTokenizing(){
+		
+		consoleTextArea.setText(null);
+		ArrayList<Word> wlist=new ArrayList<Word>();
+		ArrayList<Unidentifiable> ulist=new ArrayList<Unidentifiable>();
+		
+		String s,ts,str;
+		Word word;
+		
+		int i;
+		int opcodes=-1;
+		int errorNum=0;
+		
+		int count=0;
+		
+		s=fileContentTextArea.getText();
+		if(s.length()>1){
+			ts=analyze.preFunction(s);
+			wlist=analyze.divide(ts);
+			values=new String[wlist.size()][3];
+			while(wlist.size()>0){
+				word=(Word)wlist.remove(0);
+				str=word.getWord();
+				i=analyze.check(str);
+				switch (i) {
+				case 1:
+					opcodes=analyze.checkDigit(str);
+					break;
+				case 2:
+					opcodes=analyze.checkChar(str);
+					break;
+				case 3:
+					opcodes=analyze.checkString(str);
+					break;
+				}
+				
+				if(opcodes==0){
+					Unidentifiable u=new Unidentifiable(word.getRow(), str);
+					ulist.add(u);
+					errorNum++;
+				}
+				
+				values[count][0]=String.valueOf(word.getRow());
+				values[count][1]=str;
+				values[count][2]=String.valueOf(opcodes);
+				
+				count++;
+				
+			}
+			
+			//更新表格内容
+			DefaultTableModel model=(DefaultTableModel)table.getModel();
+			while(model.getRowCount()>0){
+				model.removeRow(model.getRowCount()-1);
+			}
+		     
+		      model.setDataVector(values,title);
+			
+			table=new JTable(model);
+				
+				consoleTextArea.append("共有"+errorNum+"处错误!"+"\n");
+				while (ulist.size()>0) {
+					int r;
+					String string;
+					Unidentifiable uni=ulist.remove(0);
+					r=uni.getRow();
+					string=uni.getWord();
+					consoleTextArea.append("第"+r+"行:"+"错误,"+string+"\n");
+				}
+		}else{
+			int j;
+			j=JOptionPane.showConfirmDialog(this, "请输入程序!");
+			if(j!=JOptionPane.YES_OPTION){
+				return;
+			}
+		}
+		
+	}
+	
+	
+	/**
+	 * 打开使用说明书
+	 */
+	public void doHelp(){
+		try {
+			Runtime.getRuntime().exec("cmd /c start "+System.getProperty("user.dir")+"\\doc\\help.doc") ;
+		} catch (IOException e1) {
+			e1.printStackTrace();
+		}
+	}
+	
+	/**
+	 * 关于
+	 */
+	public void showAbout(){
+		JDialog dialog=new JDialog();
+		dialog.setTitle("词法分析器 ");
+		JLabel label=new JLabel("           基于Java的C语言词法分析器");
+		dialog.add(label);
+		dialog.setVisible(true);
+		dialog.setSize(250, 160);
+		dialog.setResizable(false);
+		
+		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+		Dimension frameSize = dialog.getSize();
+		if (frameSize.height > screenSize.height) {
+			frameSize.height = screenSize.height;
+		}
+		if (frameSize.width > screenSize.width) {
+			frameSize.width = screenSize.width;
+		}
+		dialog.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);
+		
+	}
+	
+	/**
+	 * 退出
+	 */
+	public void doExit(){
+		
+		int isExit=JOptionPane.showConfirmDialog(this, "您真的要关闭词法分析器?");
+		if(isExit==JOptionPane.YES_OPTION){
+			System.exit(0);
+		}else{
+			return;
+		}
+	}
+	
+	/**
+	 * 点击事件
+	 */
+	@Override
+	public void actionPerformed(ActionEvent e) {
+		if(e.getSource()==openMenuItem){
+            openFile();
+		}else if(e.getSource()==saveMenuItem){
+			saveFile();
+		}else if(e.getSource()==exitMenuItem){
+			doExit();
+		}else if(e.getSource()==cutMenuItem){
+			doCut();
+		}else if(e.getSource()==copyMenuItem){
+			doCopy();
+		}else if(e.getSource()==pasteMenuItem){
+			doPaste();
+		}else if(e.getSource()==clearMenuItem){
+			doClear();
+		}else if(e.getSource()==lexerMenuItem){
+			doTokenizing();
+		}else if(e.getSource()==helpMenuItem){
+			 doHelp();
+		}else if(e.getSource()==aboutMenuItem){
+			showAbout();
+		}else if(e.getSource()==openButton){
+			openFile();
+		}else if(e.getSource()==saveButton){
+			saveFile();
+		}else if(e.getSource()==lexerButton){
+			doTokenizing();
+		}else if(e.getSource()==cutButton){
+			doCut();
+		}else if(e.getSource()==copyButton){
+			doCopy();
+		}else if(e.getSource()==pasteButton){
+			doPaste();
+		}else if(e.getSource()==clearButton){
+			doClear();
+		}else if(e.getSource()==exitButton){
+			doExit();
+		}
+	}
+
+	/**
+	 * 构造方法
+	 */
+	public  LexerFrame(){
+		setTitle("词法分析器  版本  V 1.0");
+		
+		Image logo=Toolkit.getDefaultToolkit().getImage("../lexer/image/lexer.png");
+		setIconImage(logo);
+		
+		//创建菜单栏
+		createMenu();
+		
+		//创建工具栏
+		createToolBar();
+		
+		//左面板
+		leftPanel=new JPanel();
+		
+		fileContentTextArea=new JTextArea(60,60);
+		fileContentTextArea.setFont(new Font("隶书",Font.BOLD,12));
+		scrollPane1=new JScrollPane(fileContentTextArea);
+    	scrollPane1.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_NEVER);
+    	scrollPane1.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
+    	scrollPane1.getViewport().add(fileContentTextArea);
+    	scrollPane1.getViewport().setPreferredSize(new Dimension(300,530));
+		leftPanel.add(scrollPane1);
+		
+		//右面板
+		rightPanel=new JPanel();
+		rightPanel.setLayout(new BorderLayout());
+		
+		
+		//分析后的内容放在表格里
+		
+		model=new DefaultTableModel(values,title);
+		table=new JTable(model);
+		scrollPane2=new JScrollPane(table);
+    	scrollPane2.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
+    	scrollPane2.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
+    	scrollPane2.getViewport().add(table);
+    	scrollPane2.getViewport().setPreferredSize(new Dimension(100,100));
+    	
+    	//控制台
+    	consoleTextArea = new JTextArea(100,100);
+    	consoleTextArea.setFont(new Font("隶书",Font.BOLD,12));
+    	scrollPane3=new JScrollPane(consoleTextArea);
+    	scrollPane3.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
+    	scrollPane3.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
+    	scrollPane3.getViewport().add(consoleTextArea);
+    	scrollPane3.getViewport().setPreferredSize(new Dimension(300,100));
+    	
+    	//添加到右部面板
+    	rightPanel.add("Center",scrollPane2);
+    	rightPanel.add("South",scrollPane3);
+
+		
+		//创建一个分隔面板
+		splitPane=new JSplitPane();
+		
+		//左面板
+		splitPane.setLeftComponent(leftPanel);
+		
+		//右面板
+		splitPane.setRightComponent(rightPanel);
+		
+		add("North",toolBar);
+		add("Center",splitPane);
+		
+		//设置运行时窗口的位置
+		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+		Dimension frameSize = getSize();
+		if (frameSize.height > screenSize.height) {
+			frameSize.height = screenSize.height;
+		}
+		if (frameSize.width > screenSize.width) {
+			frameSize.width = screenSize.width;
+		}
+		setLocation((screenSize.width - frameSize.width) / 6, (screenSize.height - frameSize.height) / 6);
+		
+		
+		setSize(800,600);
+		setResizable(false);
+		setVisible(true);
+	}
+	/**
+	 * 主方法
+	 * @param args
+	 */
+	public static void main(String[] args) {
+		new LexerFrame();
+	}
+
+	
+}
diff --git a/src/com/lexer/Unidentifiable.java b/src/com/lexer/Unidentifiable.java
new file mode 100644
index 0000000..937dc49
--- /dev/null
+++ b/src/com/lexer/Unidentifiable.java
@@ -0,0 +1,38 @@
+package com.lexer;
+
+/**
+ * 
+ *	JavaBean类
+ *   不可以识别的标识符
+ */
+public class Unidentifiable {
+
+	//不可以识别的标识符行
+	int row;
+	
+	//获取到的不可以识别的标识符
+	String word;
+	
+	public Unidentifiable(int row,String word){
+		this.row=row;
+		this.word=word;
+	}
+
+	public int getRow() {
+		return row;
+	}
+
+	public void setRow(int row) {
+		this.row = row;
+	}
+
+	public String getWord() {
+		return word;
+	}
+
+	public void setWord(String word) {
+		this.word = word;
+	}
+	
+	
+}
diff --git a/src/com/lexer/Word.java b/src/com/lexer/Word.java
new file mode 100644
index 0000000..4c7a266
--- /dev/null
+++ b/src/com/lexer/Word.java
@@ -0,0 +1,36 @@
+package com.lexer;
+
+/**
+ * 
+ *	可以识别的标识符
+ */
+public class Word {
+
+	//标识符所在的行
+	private int row;
+	
+	//获取到的标识符
+	private String word;
+	
+	public Word(int row,String word){
+		this.row=row;
+		this.word=word;
+	}
+
+	public int getRow() {
+		return row;
+	}
+
+	public void setRow(int row) {
+		this.row = row;
+	}
+
+	public String getWord() {
+		return word;
+	}
+
+	public void setWord(String word) {
+		this.word = word;
+	}
+	
+}
\ No newline at end of file
-- 
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