1 /* 2 * Copyright (c) 2009, 2011, 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 package org.graalvm.compiler.nodes.java; 24 25 import org.graalvm.compiler.core.common.type.Stamp; 26 import org.graalvm.compiler.graph.NodeClass; 27 import org.graalvm.compiler.nodeinfo.NodeInfo; 28 import org.graalvm.compiler.nodes.FrameState; 29 import org.graalvm.compiler.nodes.ValueNode; 30 import org.graalvm.compiler.nodes.spi.ArrayLengthProvider; 31 32 /** 33 * The {@code AbstractNewArrayNode} is used for all 1-dimensional array allocations. 34 */ 35 @NodeInfo 36 public abstract class AbstractNewArrayNode extends AbstractNewObjectNode implements ArrayLengthProvider { 37 38 public static final NodeClass<AbstractNewArrayNode> TYPE = NodeClass.create(AbstractNewArrayNode.class); 39 @Input protected ValueNode length; 40 41 @Override 42 public ValueNode length() { 43 return length; 44 } 45 46 protected AbstractNewArrayNode(NodeClass<? extends AbstractNewArrayNode> c, Stamp stamp, ValueNode length, boolean fillContents, FrameState stateBefore) { 47 super(c, stamp, fillContents, stateBefore); 48 this.length = length; 49 } 50 51 /** 52 * The list of node which produce input for this instruction. 53 */ 54 public ValueNode dimension(int index) { 55 assert index == 0; 56 return length(); 57 } 58 59 /** 60 * The rank of the array allocated by this node, i.e. how many array dimensions. 61 */ 62 public int dimensionCount() { 63 return 1; 64 } 65 }