How to use

toString

method

in

org.antlr.v4.tool.ast.GrammarAST

  @Override
  public String toString() {
    return label.getText()+" "+type+" "+element.toString();
  }
}

  @Override
  public String toString() {
    return label.getText()+" "+type+" "+element.toString();
  }
}

  @Override
  public String toString() {
    return label.getText()+" "+type+" "+element.toString();
  }
}

  @Override
  public String toString() {
    return label.getText()+" "+type+" "+element.toString();
  }
}

  @Override
  public String toString() {
    return label.getText()+" "+type+" "+element.toString();
  }
}

private String findAltLabelName(CommonTree label) {
  if (label == null) {
    return null;
  }
  else if (label instanceof AltAST) {
    AltAST altAST = (AltAST) label;
    if (altAST.altLabel != null) {
      return altAST.altLabel.toString();
    }
    else if (altAST.leftRecursiveAltInfo != null) {
      return altAST.leftRecursiveAltInfo.altLabel.toString();
    }
    else {
      return findAltLabelName(label.parent);
    }
  }
  else {
    return findAltLabelName(label.parent);
  }
}

private String findAltLabelName(CommonTree label) {
  if (label == null) {
    return null;
  }
  else if (label instanceof AltAST) {
    AltAST altAST = (AltAST) label;
    if (altAST.altLabel != null) {
      return altAST.altLabel.toString();
    }
    else if (altAST.leftRecursiveAltInfo != null) {
      return altAST.leftRecursiveAltInfo.altLabel.toString();
    }
    else {
      return findAltLabelName(label.parent);
    }
  }
  else {
    return findAltLabelName(label.parent);
  }
}

private String findAltLabelName(CommonTree label) {
  if (label == null) {
    return null;
  }
  else if (label instanceof AltAST) {
    AltAST altAST = (AltAST) label;
    if (altAST.altLabel != null) {
      return altAST.altLabel.toString();
    }
    else if (altAST.leftRecursiveAltInfo != null) {
      return altAST.leftRecursiveAltInfo.altLabel.toString();
    }
    else {
      return findAltLabelName(label.parent);
    }
  }
  else {
    return findAltLabelName(label.parent);
  }
}