Mercurial > hg > truffle
view graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/ArraySubstitutions.java @ 16125:cc76575f485c
handle error case in Array.newInstance
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Tue, 17 Jun 2014 12:47:45 -0700 |
parents | 3e5b9a4d5986 |
children | 67500ef4d102 |
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/* * Copyright (c) 2013, 2014, 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.replacements; import com.oracle.graal.api.replacements.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.java.*; /** * Substitutions for {@link java.lang.reflect.Array} methods. */ @ClassSubstitution(java.lang.reflect.Array.class) public class ArraySubstitutions { @MethodSubstitution public static Object newInstance(Class<?> componentType, int length) throws NegativeArraySizeException { // The error cases must be handled here since DynamicNewArrayNode can only deoptimize the // caller in response to exceptions. if (componentType == void.class) { throw new IllegalArgumentException(); } return DynamicNewArrayNode.newArray(GuardingPiNode.guardingNonNull(componentType), length); } @MethodSubstitution public static int getLength(Object array) { if (!array.getClass().isArray()) { throw new IllegalArgumentException("Argument is not an array"); } return ArrayLengthNode.arrayLength(array); } }