public void evaluate() { try { // clear problems and console messages problemsView.setText(""); consoleView.setText(""); // update status view statusView.setText(" Parsing ..."); tabbedPane.setSelectedIndex(0); LispExpr root = Parser.parse(textView.getText()); statusView.setText(" Running ..."); tabbedPane.setSelectedIndex(1); // update run button runButton.setIcon(stopImage); runButton.setActionCommand("Stop"); // start run thread runThread = new RunThread(root); runThread.start(); } catch (SyntaxError e) { tabbedPane.setSelectedIndex(0); System.err.println( "Syntax Error at " + e.getLine() + ", " + e.getColumn() + " : " + e.getMessage()); } catch (Error e) { // parsing error System.err.println(e.getMessage()); statusView.setText(" Errors."); } }
public void prettyPrint() { try { // clear old problem messages problemsView.setText(""); // update status view statusView.setText(" Parsing ..."); LispExpr root = Parser.parse(textView.getText()); statusView.setText(" Pretty Printing ..."); String newText = PrettyPrinter.prettyPrint(root); textView.setText(newText); statusView.setText(" Done."); } catch (Error e) { System.err.println(e.getMessage()); statusView.setText(" Errors."); } }
// bindKeyToCommand binds a given key sequence to a Lisp command // so that pressing the key sequence executes the command. public void bindKeyToCommand(String keySequence, String cmd) { bindKeyToCommand(keySequence, Parser.parse(cmd)); }