编译原理课程设计-C语言子集编译器（含报告和可运行源代码）.rar

package cn.lgh.compiler; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.PrintWriter; import org.eclipse.swt.SWT; import org.eclipse.swt.events.MouseAdapter; import org.eclipse.swt.events.MouseEvent; import org.eclipse.swt.layout.FormAttachment; import org.eclipse.swt.layout.FormData; import org.eclipse.swt.layout.FormLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.FileDialog; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; import com.swtdesigner.SWTResourceManager; import cn.lgh.compiler.bussinessObject.CodeScanner; import cn.lgh.compiler.bussinessObject.InstructionCreater; import cn.lgh.compiler.bussinessObject.Logger; import cn.lgh.compiler.bussinessObject.Parser; import cn.lgh.compiler.persistObject.InstructionSet; import cn.lgh.compiler.persistObject.SyntaxTree; /** * 编译器视图窗口 * * @author 蓝冠恒 * @version 2010-12-10 * */ public class CompilerView { private Text txtTargetArea;// 目标代码生产区 private Text txtEditingArea;// 源代码编辑区 private Text txtConsoleInfo;// 控制台信息输出区 private Text txtTargePath;// 目标文件路径 private Text txtSouecePath;// 源文件路径 protected Shell shell;// 视图窗口 /** * Launch the application * * @param args */ public static void main(String[] args) { try { CompilerView window = new CompilerView(); window.open(); } catch (Exception e) { e.printStackTrace(); } } /** * 打开窗口 */ public void open() { final Display display = Display.getDefault(); createContents(); shell.open(); shell.layout(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) display.sleep(); } } /** * 创建窗口内容（组建） */ protected void createContents() { shell = new Shell(SWT.MIN | SWT.CLOSE); shell.setToolTipText("copyRight@广西大学计算机与电子信息学院计科071蓝冠恒"); shell.setFont(SWTResourceManager.getFont("微软雅黑", 12, SWT.NONE)); shell.setLayout(new FormLayout()); shell.setSize(1000, 700); shell.setText("C语言子集编译器"); final Composite cmpsMain = new Composite(shell, SWT.NONE); final FormData fd_cmpsMain = new FormData(); fd_cmpsMain.bottom = new FormAttachment(100,0); fd_cmpsMain.top = new FormAttachment(0, 0); fd_cmpsMain.right = new FormAttachment(100, 0); fd_cmpsMain.left = new FormAttachment(0, 0); cmpsMain.setLayoutData(fd_cmpsMain); cmpsMain.setLayout(new FormLayout()); final Group groupMain = new Group(cmpsMain, SWT.NONE); final FormData fd_groupMain = new FormData(); fd_groupMain.left = new FormAttachment(0, 0); fd_groupMain.right = new FormAttachment(100, 0); fd_groupMain.top = new FormAttachment(0, 0); fd_groupMain.bottom = new FormAttachment(100, 0); groupMain.setLayoutData(fd_groupMain); groupMain.setLayout(new FormLayout()); final Group groupLeft = new Group(groupMain, SWT.NONE); groupLeft.setLayout(new FormLayout()); final FormData fd_groupLeft = new FormData(); fd_groupLeft.bottom = new FormAttachment(100, -5); fd_groupLeft.top = new FormAttachment(0, 0); fd_groupLeft.left = new FormAttachment(0, 5); fd_groupLeft.right = new FormAttachment(1, 3, -10); groupLeft.setLayoutData(fd_groupLeft); final Group groupFunction = new Group(groupLeft, SWT.NONE); groupFunction.setFont(SWTResourceManager.getFont("微软雅黑", 12, SWT.NONE)); groupFunction.setLayout(new FormLayout()); final FormData fd_groupFunction = new FormData(); fd_groupFunction.bottom = new FormAttachment(1, 3, -5); fd_groupFunction.top = new FormAttachment(0, -5); fd_groupFunction.right = new FormAttachment(100, -5); fd_groupFunction.left = new FormAttachment(0, 5); groupFunction.setLayoutData(fd_groupFunction); Button btnSource = new Button(groupFunction, SWT.NONE); btnSource.setFont(SWTResourceManager.getFont("微软雅黑", 12, SWT.NONE)); btnSource.addMouseListener(new MouseAdapter() { public void mouseDown(final MouseEvent e) { FileDialog fileselect = new FileDialog(shell); fileselect.setFilterNames(new String[] { "*.*" }); fileselect.setFilterExtensions(new String[] { "*.c" }); String url = ""; String codes = ""; String line=null; BufferedReader in = null; url = fileselect.open(); if(url==null){ return; } txtSouecePath.setText(url); try { in=new BufferedReader(new FileReader(url)); line=in.readLine(); while(line!=null){ codes+=line+"\n"; line=in.readLine(); } if(!codes.equals("")){ txtEditingArea.setText(codes); txtTargetArea.setText(""); txtConsoleInfo.setText(""); } } catch (FileNotFoundException e1) { setConsoleInfo("找不到文件："+e1.getMessage()); e1.printStackTrace(); } catch (IOException e2) { setConsoleInfo("找不到文件："+e2.getMessage()); e2.printStackTrace(); }finally{ try { in.close(); } catch (IOException e1) { e1.printStackTrace(); } } } }); btnSource.setFont(SWTResourceManager.getFont("微软雅黑", 12, SWT.NONE)); final FormData fd_btnSource = new FormData(); fd_btnSource.top = new FormAttachment(0, 20); fd_btnSource.left = new FormAttachment(0, 10); fd_btnSource.right = new FormAttachment(2, 5, 0); fd_btnSource.height = 32; btnSource.setLayoutData(fd_btnSource); btnSource.setText("源文件路径"); Button btnTarget = new Button(groupFunction, SWT.NONE); btnTarget.setFont(SWTResourceManager.getFont("微软雅黑", 12, SWT.NONE)); btnTarget.addMouseListener(new MouseAdapter() { public void mouseDown(final MouseEvent e) { FileDialog fileselect = new FileDialog(shell, SWT.SINGLE); fileselect.setFilterNames(new String[] { "*.*" }); String url = ""; url = fileselect.open(); if(url==null){ return; } txtTargePath.setText(url); } }); btnTarget.setFont(SWTResourceManager.getFont("微软雅黑", 12, SWT.NONE)); final FormData fd_btnTarget = new FormData(); fd_btnTarget.right = new FormAttachment(btnSource, 0, SWT.RIGHT); fd_btnTarget.left = new FormAttachment(btnSource, 0, SWT.LEFT); fd_btnTarget.height = 32; fd_btnTarget.bottom = new FormAttachment(2, 3, -10); btnTarget.setLayoutData(fd_btnTarget); btnTarget.setText("目标文件路径"); txtSouecePath = new Text(groupFunction, SWT.BORDER); txtSouecePath.setFont(SWTResourceManager.getFont("微软雅黑", 10, SWT.NONE)); txtSouecePath.setFont(SWTResourceManager.getFont("微软雅黑", 12, SWT.NONE)); final FormData fd_txtSouecePath = new FormData(); fd_txtSouecePath.top = new FormAttachment(btnSource, 0, SWT.TOP); fd_txtSouecePath.bottom = new FormAttachment(btnSource, 0, SWT.BOTTOM); fd_txtSouecePath.left = new FormAttachment(2, 5, 0); fd_txtSouecePath.height = 32; fd_txtSouecePath.right = new FormAttachment(100, -10); txtSouecePath.setLayoutData(fd_txtSouecePath); txtTargePath = new Text(groupFunction, SWT.BORDER); txtTargePath.setFont(SWTResourceManager.getFont("微软雅黑", 12, SWT.NONE)); final FormData fd_txtTargePath = new FormData(); fd_txtTargePath.top = new FormAttachment(btnTarget, 0, SWT.TOP); fd_txtTargePath.bottom = new FormAttachment(btnTarget, 0, SWT.BOTTOM); fd_txtTargePath.left = new FormAttachment(txtSouecePath, 0, SWT.LEFT); fd_txtTargePath.right = new FormAttachment(txtSouecePath, 0, SWT.RIGHT); txtTargePath.setLayoutData(fd_txtTargePath); final Button btnCompile = new Button(groupFunction, SWT.NONE); btnCompile.setFont(SWTResourceManager.