Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/NewMultiArrayNode.java @ 13921:eb48fac53e6f
Make NewMultiArrayNode a ArrayLengthProvider so that it can provide the length of its first dimension
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Mon, 10 Feb 2014 16:13:21 +0100 |
parents | 0fc653a9e019 |
children | c0309792b0cd |
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/* * Copyright (c) 2009, 2011, 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 com.oracle.graal.nodes.java; import com.oracle.graal.api.meta.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.type.*; /** * The {@code NewMultiArrayNode} represents an allocation of a multi-dimensional object array. */ public final class NewMultiArrayNode extends DeoptimizingFixedWithNextNode implements Lowerable, ArrayLengthProvider { @Input private final NodeInputList<ValueNode> dimensions; private final ResolvedJavaType type; public ValueNode dimension(int index) { return dimensions.get(index); } public int dimensionCount() { return dimensions.size(); } public NodeList<ValueNode> dimensions() { return dimensions; } /** * Constructs a new NewMultiArrayNode. * * @param type the element type of the array * @param dimensions the node which produce the dimensions for this array */ public NewMultiArrayNode(ResolvedJavaType type, ValueNode[] dimensions) { super(StampFactory.exactNonNull(type)); this.type = type; this.dimensions = new NodeInputList<>(this, dimensions); assert dimensions.length > 0 && type.isArray(); } @Override public void lower(LoweringTool tool) { tool.getLowerer().lower(this, tool); } public ResolvedJavaType type() { return type; } @Override public boolean canDeoptimize() { return true; } public ValueNode length() { return dimension(0); } }