tigerframe.java

tiger编译器的Java实现

package GUI;

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Font;
import java.awt.event.*;
import java.io.*;

import javax.swing.*;
import javax.swing.text.AttributeSet;
import javax.swing.text.BadLocationException;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.StyleConstants;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;

import Parse.Lexer;
import Parse.Token;
import Parse.Yylex;
import Parse.Grm;
import Parse.sym;

public class tigerFrame extends JFrame implements messPrinter {

	private static final long serialVersionUID = 1L;

	private JTree tree;

	public static void main(String argv[]) throws java.io.IOException {
		try {
			tigerFrame frame = new tigerFrame();
			frame.setVisible(true);

			if (argv.length > 0 && !argv[0].equals("")) {
				File f = new File(argv[0]);
				frame.setFile(f);

			}
		} catch (Exception e) {
			JOptionPane.showMessageDialog(null, "an error in main："
					+ e.getMessage(), "error", JOptionPane.ERROR_MESSAGE);
		}

	}

	final JSplitPane splitPane = new JSplitPane();

	final JSplitPane splitPane_1 = new JSplitPane();

	private JTextPane textArea;

	private boolean changed = false;

	private String text = "";

	private String filename = "";

	private String filepath = "";

	private JFrame self;

	private JList errorlist;

	/**
	 * Create the frame
	 */
	public tigerFrame() {
		super();
		if (!Config.initialed)
			Config.readConfig();
		try {
			UIManager
					.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
		} catch (Exception e) {

			JOptionPane.showMessageDialog(null, "project initial error："
					+ e.getMessage(), "error", JOptionPane.ERROR_MESSAGE);
		}
		addWindowListener(new WindowAdapter() {
			public void windowClosing(WindowEvent arg0) {
				if (changed) {
					if (JOptionPane.YES_OPTION == JOptionPane
							.showConfirmDialog(null,
									"The file is chaned, save it ?",
									"choose one", JOptionPane.YES_NO_OPTION)) {
						saveFile();
					}
				}
			}
		});
		self = this;
		setBounds(100, 100, 729, 602);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		self.setTitle("source file-...");

		// read the configs from xml file
		/** ********************************* */

		final JMenuBar menuBar = new JMenuBar();
		setJMenuBar(menuBar);

		final JMenu fileMenu = new JMenu();
		fileMenu.setFont(new Font("Courier New", Font.BOLD, 12));
		fileMenu.setText("file(F)");
		fileMenu.setMnemonic('F');
		menuBar.add(fileMenu);

		final JMenuItem fileMenuItem = new JMenuItem();
		fileMenuItem.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent arg0) {
				if (changed) {
					if (JOptionPane.YES_OPTION == JOptionPane
							.showConfirmDialog(null,
									"The file is chaned, save it ?",
									"choose one", JOptionPane.YES_NO_OPTION)) {
						saveFile();

					}
				}
				File file = new File(GUI.Constants.folder);
				JFileChooser chooser = new JFileChooser(file);
				chooser.setDialogTitle("choose source file");
				chooser.setFileFilter(new tigFileFilter());
				if (JFileChooser.APPROVE_OPTION == chooser.showOpenDialog(null)) {
					File f = chooser.getSelectedFile();
					if (f.isFile()) {
						filename = "";
						text = "";
						changed = false;
						filepath = f.getAbsolutePath();
						filename = f.getName();
						self.setTitle("source file-" + f.getAbsolutePath());

						openFile();
					}
				}
			}
		});
		fileMenuItem.setFont(new Font("Courier New", Font.BOLD, 12));
		fileMenuItem.setText("open");
		fileMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O,
				KeyEvent.CTRL_MASK));
		fileMenu.add(fileMenuItem);

		final JMenuItem saveMenuItem = new JMenuItem();
		saveMenuItem.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent arg0) {
				if (changed)
					saveFile();
			}
		});
		saveMenuItem.setFont(new Font("Courier New", Font.BOLD, 12));
		saveMenuItem.setText("save");
		saveMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S,
				KeyEvent.CTRL_MASK));
		fileMenu.add(saveMenuItem);

		final JMenu toolsMenu = new JMenu();
		toolsMenu.setFont(new Font("Courier New", Font.BOLD, 12));
		toolsMenu.setText("tools(T)");
		toolsMenu.setMnemonic('T');
		menuBar.add(toolsMenu);

		final JMenuItem runMenuItem = new JMenuItem();
		runMenuItem.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent arg0) {

				if (changed) {
					if (JOptionPane.YES_OPTION == JOptionPane
							.showConfirmDialog(null,
									"The file is chaned, save it ?",
									"choose one", JOptionPane.YES_NO_OPTION)) {
						saveFile();
					} else
						return;

				}
				// parseFile();
				build();

			}
		});
		runMenuItem.setFont(new Font("Courier New", Font.BOLD, 12));
		runMenuItem.setText("build");

		toolsMenu.add(runMenuItem);
		runMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_B,
				KeyEvent.CTRL_MASK));

		splitPane.setDividerSize(2);
		splitPane.setDividerLocation(150);
		getContentPane().add(splitPane, BorderLayout.CENTER);

		splitPane_1.setOrientation(JSplitPane.VERTICAL_SPLIT);
		splitPane_1.setDividerSize(2);
		splitPane_1.setDividerLocation(450);
		splitPane.setRightComponent(splitPane_1);

		final JPanel panel_1 = new JPanel();
		panel_1.setLayout(new BorderLayout());
		splitPane_1.setLeftComponent(panel_1);

		final JScrollPane scrollPane = new JScrollPane();
		scrollPane
				.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
		panel_1.add(scrollPane, BorderLayout.CENTER);

		textArea = new JTextPane();

		textArea.setFont(new Font("Courier New", Font.PLAIN, 14));
		textArea.addKeyListener(new KeyAdapter() {
			public void keyTyped(KeyEvent arg0) {
				int pos = textArea.getCaretPosition();
				if (!arg0.isAltDown() && !arg0.isControlDown())
					changed = true;
				colorText();
				textArea.setCaretPosition(pos);
			}
		});

		scrollPane.setViewportView(textArea);

		final JPanel panel_2 = new JPanel();
		panel_2.setLayout(new BorderLayout());
		splitPane_1.setRightComponent(panel_2);

		final JScrollPane scrollPane_1 = new JScrollPane();
		panel_2.add(scrollPane_1, BorderLayout.CENTER);

		errorlist = new JList();

		errorlist.addMouseListener(new MouseAdapter() {
			public void mouseClicked(MouseEvent arg0) {
				int index = errorlist.getSelectedIndex();
				errorMouseCilcked(index);
			}
		});
		errorlist.setCellRenderer(new ErrorListCellRenderer());
		errorlist.setFont(new Font("Courier New", Font.PLAIN, 13));
		scrollPane_1.setViewportView(errorlist);

		final JPanel panel = new JPanel();
		panel.setLayout(new BorderLayout());
		splitPane.setLeftComponent(panel);

		final JScrollPane scrollPane_2 = new JScrollPane();
		panel.add(scrollPane_2, BorderLayout.CENTER);

		tree = new JTree();
		tree.setFont(new Font("Courier New", Font.PLAIN, 13));
		scrollPane_2.setViewportView(tree);
		tree.setModel(new DefaultTreeModel(null));
	}

	public void setFile(File f) {
		filename = f.getName();
		filepath = f.getAbsolutePath();
		self.setTitle("Source file-" + f.getAbsolutePath());
		openFile();
	}

	protected void openFile() {
		File f = new File(filepath);

		FileReader fr;
		try {
			fr = new FileReader(f);

			BufferedReader d = new BufferedReader(fr);

			while (true) {
				String s = d.readLine();
				if (s == null)
					break;
				text += s + "\n";
			}

			textArea.setText(text);
			colorText();
		} catch (FileNotFoundException e) {

			JOptionPane.showMessageDialog(null, "Open file error ："
					+ e.getMessage(), "error", JOptionPane.ERROR_MESSAGE);
			// e.printStackTrace();
		} catch (IOException e) {
			JOptionPane.showMessageDialog(null, "Read file error ："
					+ e.getMessage(), "error", JOptionPane.ERROR_MESSAGE);
			// e.printStackTrace();
		}
	}

	protected String transfer(String reg, String replace, String text) {
		String tmp = text;
		String re = "";
		int index = -1;
		while ((index = tmp.indexOf(reg)) >= 0) {
			re += tmp.substring(0, index);
			re += replace;
			tmp = tmp.substring(index + reg.length(), tmp.length());
		}
		re += tmp;
		return re;
	}

	protected void saveFile() {
		if (filename == "" || filepath == "") {
			JFileChooser chooser = new JFileChooser();
			chooser.setDialogTitle("save file");
			chooser.setFileFilter(new tigFileFilter());
			int re = chooser.showSaveDialog(null);
			if (re == JFileChooser.ERROR_OPTION)
				JOptionPane.showMessageDialog(null, "Save file error ：",
						"error", JOptionPane.ERROR_MESSAGE);
			else if (re == JFileChooser.APPROVE_OPTION) {
				File file = chooser.getSelectedFile();
				filepath = file.getAbsolutePath();
				filename = file.getName();
				if (filename.equals("")) {
					filepath = "tig";
					filename = "tig";
				}
				if (!filename.endsWith(".tig") || !filename.endsWith(".java")) {
					filepath += ".tig";
					filename += ".tig";
				}

			}
		}

		text = textArea.getText();
		text = text.replaceAll("\r\n", "\n");
		File f = new File(filepath);
		try {
			FileOutputStream fo = new FileOutputStream(f);
			fo.write(text.getBytes());
			fo.close();
			changed = false;
			colorText();

		} catch (FileNotFoundException e) {
			JOptionPane.showMessageDialog(null, "Find file error："
					+ e.getMessage(), "error", JOptionPane.ERROR_MESSAGE);
			// e.printStackTrace();
		} catch (IOException e) {
			JOptionPane.showMessageDialog(null, "Access file error :"
					+ e.getMessage(), "error", JOptionPane.ERROR_MESSAGE);
			// e.printStackTrace();
		}
	}

	static SimpleAttributeSet COMM = new SimpleAttributeSet();

	static SimpleAttributeSet KEY = new SimpleAttributeSet();

	static SimpleAttributeSet BLACK = new SimpleAttributeSet();

	static SimpleAttributeSet STRING = new SimpleAttributeSet();
	// Best to reuse attribute sets as much as possible.
	static {