1 /* 2 * Copyright (c) 2011, 2018, 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 24 package vm.mlvm.meth.share.transform.v2; 25 26 import java.lang.reflect.Array; 27 28 import vm.mlvm.meth.share.Argument; 29 30 public class MHArrayEnvelopeTFPair extends MHEnvelopeArgTFPair { 31 32 public MHArrayEnvelopeTFPair(MHCall outboundTarget, int argNum, int arrayIdx, int arraySize) { 33 super(outboundTarget, 34 "ArrayGetSet_" + outboundTarget.hashCode(), 35 argNum, 36 getLocatorArg(arrayIdx), 37 getEnvelopeArg(outboundTarget.getArgs()[argNum], arrayIdx, arraySize)); 38 39 if ( arrayIdx > arraySize ) 40 throw new IllegalArgumentException("Array index [" + arrayIdx + "] should be less than array size [" + arraySize + "]"); 41 } 42 43 private static Argument getLocatorArg(int arrayIdx) { 44 return new Argument(int.class, arrayIdx); 45 } 46 47 private static Argument getEnvelopeArg(Argument componentArg, int arrayIdx, int arraySize) { 48 Object array = Array.newInstance(componentArg.getType(), arraySize); 49 Array.set(array, arrayIdx, componentArg.getValue()); 50 return new Argument(array.getClass(), array); 51 } 52 53 @Override 54 protected MHTF computeGetTF(Argument envelopeArg, Argument envelopeLocatorArg) { 55 return new MHArrayGetElemTF(envelopeArg, envelopeLocatorArg); 56 } 57 58 @Override 59 protected MHTF computeSetTF(Argument envelopeArg, Argument envelopeLocatorArg, Argument componentArg) { 60 return new MHArraySetElemTF(envelopeArg, envelopeLocatorArg, componentArg); 61 } 62 63 }