How to use

Trees

in

org.antlr.v4.gui

public static String getPS(Tree t, List<String> ruleNames) {
  return getPS(t, ruleNames, "Helvetica", 11);
}

/** Save this tree in a postscript file using a particular font name and size */
public static void save(Tree t,
            List<String> ruleNames, String fileName,
            String fontName, int fontSize)
throws IOException
{
  writePS(t, ruleNames, fileName, fontName, fontSize);
}

Trees.inspect(tree, parser);
Trees.save(tree, parser, psFile); // Generate postscript

/** Save this tree in a postscript file */
public static void save(Tree t, Parser parser, String fileName)
  throws IOException, PrintException
{
  List<String> ruleNames = parser != null ? Arrays.asList(parser.getRuleNames()) : null;
  save(t, ruleNames, fileName);
}

/** Call this method to view a parse tree in a dialog box visually. */
public static Future<JDialog> inspect(Tree t, Parser parser) {
  List<String> ruleNames = parser != null ? Arrays.asList(parser.getRuleNames()) : null;
  return inspect(t, ruleNames);
}

/** Print out a whole tree in LISP form. Arg nodeTextProvider is used on the
 *  node payloads to get the text for the nodes.
 *
 *  @since 4.5.1
 */
public static String toStringTree(Tree t, TreeTextProvider nodeTextProvider) {
  if ( t==null ) return "null";
  String s = Utils.escapeWhitespace(nodeTextProvider.getText(t), false);
  if ( t.getChildCount()==0 ) return s;
  StringBuilder buf = new StringBuilder();
  buf.append("(");
  s = Utils.escapeWhitespace(nodeTextProvider.getText(t), false);
  buf.append(s);
  buf.append(' ');
  for (int i = 0; i<t.getChildCount(); i++) {
    if ( i>0 ) buf.append(' ');
    buf.append(toStringTree(t.getChild(i), nodeTextProvider));
  }
  buf.append(")");
  return buf.toString();
}

Trees.inspect(tree, parser);
Trees.save(tree, parser, psFile); // Generate postscript

/** Save this tree in a postscript file using a particular font name and size */
public static void save(Tree t, Parser parser, String fileName,
         String fontName, int fontSize)
  throws IOException
{
  List<String> ruleNames = parser != null ? Arrays.asList(parser.getRuleNames()) : null;
  save(t, ruleNames, fileName, fontName, fontSize);
}

/** Call this method to view a parse tree in a dialog box visually. */
public static Future<JFrame> inspect(Tree t, Parser parser) {
  List<String> ruleNames = parser != null ? Arrays.asList(parser.getRuleNames()) : null;
  return inspect(t, ruleNames);
}

/** Print out a whole tree in LISP form. Arg nodeTextProvider is used on the
 *  node payloads to get the text for the nodes.
 *
 *  @since 4.5.1
 */
public static String toStringTree(Tree t, TreeTextProvider nodeTextProvider) {
  if ( t==null ) return "null";
  String s = Utils.escapeWhitespace(nodeTextProvider.getText(t), false);
  if ( t.getChildCount()==0 ) return s;
  StringBuilder buf = new StringBuilder();
  buf.append("(");
  s = Utils.escapeWhitespace(nodeTextProvider.getText(t), false);
  buf.append(s);
  buf.append(' ');
  for (int i = 0; i<t.getChildCount(); i++) {
    if ( i>0 ) buf.append(' ');
    buf.append(toStringTree(t.getChild(i), nodeTextProvider));
  }
  buf.append(")");
  return buf.toString();
}

Trees.inspect(tree, parser);
Trees.save(tree, parser, psFile); // Generate postscript

/** Save this tree in a postscript file */
public static void save(Tree t, Parser parser, String fileName)
  throws IOException, PrintException
{
  List<String> ruleNames = parser != null ? Arrays.asList(parser.getRuleNames()) : null;
  save(t, ruleNames, fileName);
}

/** Save this tree in a postscript file using a particular font name and size */
public static void save(Tree t,
            List<String> ruleNames, String fileName,
            String fontName, int fontSize)
throws IOException
{
  writePS(t, ruleNames, fileName, fontName, fontSize);
}

public static String getPS(Tree t, List<String> ruleNames) {
  return getPS(t, ruleNames, "Helvetica", 11);
}

/** Call this method to view a parse tree in a dialog box visually. */
public static Future<JFrame> inspect(Tree t, Parser parser) {
  List<String> ruleNames = parser != null ? Arrays.asList(parser.getRuleNames()) : null;
  return inspect(t, ruleNames);
}

/** Print out a whole tree in LISP form. Arg nodeTextProvider is used on the
 *  node payloads to get the text for the nodes.
 *
 *  @since 4.5.1
 */
public static String toStringTree(Tree t, TreeTextProvider nodeTextProvider) {
  if ( t==null ) return "null";
  String s = Utils.escapeWhitespace(nodeTextProvider.getText(t), false);
  if ( t.getChildCount()==0 ) return s;
  StringBuilder buf = new StringBuilder();
  buf.append("(");
  s = Utils.escapeWhitespace(nodeTextProvider.getText(t), false);
  buf.append(s);
  buf.append(' ');
  for (int i = 0; i<t.getChildCount(); i++) {
    if ( i>0 ) buf.append(' ');
    buf.append(toStringTree(t.getChild(i), nodeTextProvider));
  }
  buf.append(")");
  return buf.toString();
}

Trees.inspect(tree, parser);
Trees.save(tree, parser, psFile); // Generate postscript

/** Save this tree in a postscript file using a particular font name and size */
public static void save(Tree t, Parser parser, String fileName,
         String fontName, int fontSize)
  throws IOException
{
  List<String> ruleNames = parser != null ? Arrays.asList(parser.getRuleNames()) : null;
  save(t, ruleNames, fileName, fontName, fontSize);
}

public static void writePS(Tree t, List<String> ruleNames, String fileName)
  throws IOException
{
  writePS(t, ruleNames, fileName, "Helvetica", 11);
}

public static String getPS(Tree t, List<String> ruleNames) {
  return getPS(t, ruleNames, "Helvetica", 11);
}