1 /* 2 * Copyright (c) 2024, 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 package hat.optools; 26 27 import jdk.incubator.code.Block; 28 import jdk.incubator.code.Op; 29 30 public class BlockWrapper extends CodeElementWrapper<Block> { 31 public Block block() { 32 return codeElement; 33 } 34 35 public BlockWrapper(Block block) { 36 super(block); 37 } 38 39 public int opCount() { 40 return block().ops().size(); 41 } 42 43 public <O extends Op> O op(int delta) { 44 O op = null; 45 if (delta >= 0) { 46 op = (O) block().children().get(delta); 47 } else { 48 op = (O) block().children().get(opCount() + delta); 49 } 50 return op; 51 } 52 53 public BodyWrapper parentBody() { 54 return new BodyWrapper(block().parentBody()); 55 } 56 }