--- /dev/null 2018-05-02 09:10:36.097102948 -0700 +++ new/test/hotspot/jtreg/vmTestbase/nsk/sysdict/share/BTreeGen.java 2018-05-11 14:03:50.069561419 -0700 @@ -0,0 +1,144 @@ +/* + * Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +package nsk.sysdict.share; + +import java.io.*; + +/** + * This tools generates a binary tree of classes. + * For more details, use: + *
+ * java BTreeGen -help + *+ */ +public class BTreeGen { + private static final int HEIGHT = 12; // default tree height + private static final int WEIGHT = 200; // as many longs in each node + + private static void explain(Object x) { + System.err.println("# " + x); + } + + public static void main(String args[]) { + if (args.length < 1 || args[0].toLowerCase().startsWith("-h")) { + explain("This tools generates a binary tree of classes:"); + explain(""); + explain(" BTree0"); + explain(" / \\"); + explain(" BTree0L BTree0R"); + explain(" / \\ / \\"); + explain(" ... ... ... ..."); + explain(""); + explain("Use:"); + explain(" java BTreeGen { $HEIGHT [ $WEIGHT ] | \"default\" }"); + explain(""); + explain("Generates:"); + explain(" BTree.java class having HEIGHT constant."); + explain(" BTree0.java defining a classes tree."); + explain(""); + explain("Here:"); + explain(" HEIGHT and WEIGHT must be positive integers."); + explain(" Default HEIGHT is " + HEIGHT + " (" + + ((1<