Parser.java 文件源码

private static void showTree(ArabicPrologParser parser, ParseTree tree) {
    // TODO Auto-generated method stub
    JFrame frame = new JFrame("Antlr AST");
       JPanel panel = new JPanel();
       TreeViewer viewr = new TreeViewer(Arrays.asList(
               parser.getRuleNames()),tree);
       viewr.setScale(1.5);//scale a little
       panel.add(viewr);
       frame.add(panel);
       frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
       frame.setSize(200,200);
       frame.setVisible(true);

}