1/* 2 * Copyright (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/* 25 * @test 26 * @bug 6199662 6325201 6726015 27 * @summary javac: compilation success depends on compilation order 28 * 29 * @compile Tree.java TreeScanner.java TreeInfo.java 30 * @compile TreeInfo.java TreeScanner.java Tree.java 31 * 32 * @compile -XDcompilePolicy=bytodo Tree.java TreeScanner.java TreeInfo.java 33 * @compile -XDcompilePolicy=bytodo TreeInfo.java TreeScanner.java Tree.java 34 * 35 * @compile -XDcompilePolicy=byfile Tree.java TreeScanner.java TreeInfo.java 36 * @compile -XDcompilePolicy=byfile TreeInfo.java TreeScanner.java Tree.java 37 * 38 * @compile -XDcompilePolicy=simple Tree.java TreeScanner.java TreeInfo.java 39 * @compile -XDcompilePolicy=simple TreeInfo.java TreeScanner.java Tree.java 40 * 41 * @compile -XDcompilePolicy=check Tree.java TreeScanner.java TreeInfo.java 42 * @compile -XDcompilePolicy=check TreeInfo.java TreeScanner.java Tree.java 43 * 44 * @compile -XDcompilePolicy=attr Tree.java TreeScanner.java TreeInfo.java 45 * @compile -XDcompilePolicy=attr TreeInfo.java TreeScanner.java Tree.java 46 */ 47 48package p; 49 50public abstract class Tree { 51 52 /** Visit this tree with a given visitor. 53 */ 54 public abstract <E extends Throwable> void accept(Visitor<E> v) throws E; 55 56 57 /** A generic visitor class for trees. 58 */ 59 public static abstract class Visitor<E extends Throwable> { 60 public void visitTree(Tree that) throws E { assert false; } 61 } 62} 63