Mercurial > hg > graal-compiler
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/DynamicNewArrayNode.java @ 10027:e561e0a6f727
DynamicNewArrayNode
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Wed, 12 Jun 2013 16:29:12 +0200 |
parents | |
children | 554f67e4ff3f |
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/* * Copyright (c) 2013, 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 java.lang.reflect.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.type.*; /** * The {@code DynamicNewArrayNode} is used for allocation of arrays when the type is not a * compile-time constant. */ public class DynamicNewArrayNode extends FixedWithNextNode implements Canonicalizable, Lowerable, ArrayLengthProvider { @Input private ValueNode elementType; @Input private ValueNode length; private final boolean fillContents; public DynamicNewArrayNode(ValueNode elementType, ValueNode length) { this(elementType, length, true); } public DynamicNewArrayNode(ValueNode elementType, ValueNode length, boolean fillContents) { super(StampFactory.objectNonNull()); this.length = length; this.elementType = elementType; this.fillContents = fillContents; } public ValueNode getElementType() { return elementType; } @Override public ValueNode length() { return length; } public boolean fillContents() { return fillContents; } @Override public ValueNode canonical(CanonicalizerTool tool) { if (elementType.isConstant()) { Class<?> elementClass = (Class<?>) elementType.asConstant().asObject(); if (elementClass != null && !(elementClass.equals(void.class))) { ResolvedJavaType javaType = tool.runtime().lookupJavaType(elementClass); return graph().add(new NewArrayNode(javaType, length, fillContents)); } } return this; } @Override public void lower(LoweringTool tool, LoweringType loweringType) { tool.getRuntime().lower(this, tool); } @NodeIntrinsic public static Object newArray(Class<?> componentType, int length) { return Array.newInstance(componentType, length); } }