Method appendPrintId

rhino/src/main/java/org/mozilla/javascript/Node.java:1260–1272

(Node n, Map<Node, Integer> printIds, StringBuilder sb)

    }

    private static void appendPrintId(Node n, Map<Node, Integer> printIds, StringBuilder sb) {
        if (Token.printTrees) {
            if (n != null) {
                int id = printIds.getOrDefault(n, -1);
                sb.append('#');
                if (id != -1) {
                    sb.append(id + 1);
                } else {
                    sb.append("<not_available>");
                }
            }
        }
    }

    /**
     * @return the column of where a Node is defined in source. If the column is -1, it was never