mainframe.java~1~

java编的PL/0词法编译器

package compiler;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2005</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class MainFrame extends JFrame {
  private JPanel contentPane;
  private BorderLayout borderLayout1 = new BorderLayout();
  private JMenuBar jMenuBar=new JMenuBar();
  private JMenu jMenuFile=new JMenu("文件");
  private JMenuItem jMenuFile_New=new JMenuItem("新建...");
  private JMenuItem jMenuFile_Save=new JMenuItem("保存");
  private JMenuItem jMenuFile_SaveAs=new JMenuItem("另存为...");
  private JMenuItem jMenuFile_Exit=new JMenuItem("退出");
  private JMenu jMenuRun=new JMenu("运行");
  private JMenuItem jMenuRun_Lexical=new JMenuItem("词法分析");
  private JMenuItem jMenuRun_Syntax=new JMenuItem("语法分析");
  private JMenuItem jMenuRun_Compile=new JMenuItem("编译");
  private JMenu jMenuHelp=new JMenu("帮助");
  private JMenuItem jMenuHelp_About=new JMenuItem("关于...");

  //Construct the frame
  public MainFrame() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {
    contentPane = (JPanel) this.getContentPane();
    contentPane.setLayout(borderLayout1);
    this.setSize(new Dimension(600, 450));
    this.setTitle("简易编译器");
  }
  //Overridden so we can exit when window is closed
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }
}