application1.java

我用java写的词法分析器

package 编译技术;

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

/**
 * <p>Title: </p>
 * <p>Description: 词法分析</p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: 边缘开发室</p>
 * @author 谭正辉
 * @version 1.0
 */

public class Application1
{
  boolean packFrame = false;
  //Construct the application
  public Application1()
  {
    Frame1 frame = new Frame1();
    //Validate frames that have preset sizes
    //Pack frames that have useful preferred size info, e.g. from their layout
    if (packFrame)
    {
      frame.pack();
    }
    else
    {
      frame.validate();
    }
    //Center the window
    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
    Dimension frameSize = frame.getSize();
    if (frameSize.height > screenSize.height)
    {
      frameSize.height = screenSize.height;
    }
    if (frameSize.width > screenSize.width)
    {
      frameSize.width = screenSize.width;
    }
    frame.setLocation( (screenSize.width - frameSize.width) / 2,
                      (screenSize.height - frameSize.height) / 2);
    frame.setVisible(true);
  }

  //Main method
  public static void main(String[] args)
  {
    //设置默认字体大小为12
    int uiFontSize = 13;
    try
    {
      //UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
      //use defalt UI//设置系统默认字体
      if (uiFontSize > 0)
      {
        java.awt.Font nbDialogPlain = new javax.swing.plaf.
            FontUIResource(
                "宋体", java.awt.Font.TRUETYPE_FONT,
                uiFontSize); // NOI18N
        java.awt.Font nbDialogBold = new javax.swing.plaf.
            FontUIResource(
                "宋体", java.awt.Font.BOLD, uiFontSize); // NOI18N
        java.awt.Font nbSerifPlain = new javax.swing.plaf.
            FontUIResource(
                "宋体", java.awt.Font.TRUETYPE_FONT,
                uiFontSize); // NOI18N
        java.awt.Font nbSansSerifPlain = new javax.swing.plaf.
            FontUIResource(
                "宋体", java.awt.Font.TRUETYPE_FONT,
                uiFontSize); // NOI18N
        java.awt.Font nbMonospacedPlain = new javax.swing.plaf.
            FontUIResource(
                "宋体", java.awt.Font.TRUETYPE_FONT,
                uiFontSize); // NOI18N
        UIManager.getDefaults().put("Button.font",
                                    nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("ToggleButton.font",
                                    nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("RadioButton.font",
                                    nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("CheckBox.font",
                                    nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("ColorChooser.font",
                                    nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("ComboBox.font",
                                    nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("Label.font", nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("List.font", nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("MenuBar.font",
                                    nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("MenuItem.font",
                                    nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("MenuItem.acceleratorFont",
                                    nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("RadioButtonMenuItem.font",
                                    nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("CheckBoxMenuItem.font",
                                    nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("Menu.font", nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("PopupMenu.font",
                                    nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("OptionPane.font",
                                    nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("Panel.font", nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("ProgressBar.font",
                                    nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("ScrollPane.font",
                                    nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("Viewport.font",
                                    nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("TabbedPane.font",
                                    nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("Table.font", nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("TableHeader.font",
                                    nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("TextField.font",
                                    nbSansSerifPlain); // NOI18N
        UIManager.getDefaults().put("PasswordField.font",
                                    nbMonospacedPlain); // NOI18N
        UIManager.getDefaults().put("TextArea.font",
                                    nbMonospacedPlain); // NOI18N
        UIManager.getDefaults().put("TextPane.font",
                                    nbSerifPlain); // NOI18N
        UIManager.getDefaults().put("EditorPane.font",
                                    nbSerifPlain); // NOI18N
        UIManager.getDefaults().put("TitledBorder.font",
                                    nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("ToolBar.font",
                                    nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("ToolTip.font",
                                    nbSansSerifPlain); // NOI18N
        UIManager.getDefaults().put("Tree.font", nbDialogPlain); // NOI18N
        UIManager.getDefaults().put("InternalFrame.titleFont",
                                    nbDialogBold); // NOI18N
        UIManager.getDefaults().put("windowTitleFont",
                                    nbDialogBold); // NOI18N
        UIManager.getDefaults().put("controlFont",
                                    nbDialogPlain); // NOI18N
      }
    }
    catch (Exception exception)
    {
      exception.printStackTrace();
    }
    new Application1();
  }
}