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 vm.mlvm.meth.share.Argument; 27 import vm.mlvm.meth.share.Arguments; 28 29 public abstract class MHEnvelopeArgTFPair extends MHTFPair { 30 31 private final String _tag; 32 private final int _argNum; 33 protected final Argument _envelopeArg; 34 protected final Argument _envelopeLocatorArg; 35 private final Argument _componentArg; 36 37 public MHEnvelopeArgTFPair(MHCall outboundTarget, String tag, int argNum, Argument envelope, Argument envelopeLocator) { 38 super(outboundTarget); 39 40 _tag = tag; 41 _argNum = argNum; 42 43 envelopeLocator.setPreserved(true); 44 envelopeLocator.setTag(tag + "_Locator"); 45 _envelopeLocatorArg = envelopeLocator; 46 47 Argument arg = outboundTarget.getArgs()[argNum]; 48 _componentArg = arg; 49 50 envelope.setTag(tag + "_Envelope"); 51 envelope.setPreserved(true); 52 _envelopeArg = envelope; 53 } 54 55 @Override 56 public MHTF getOutboundTF() { 57 try { 58 MHMacroTF mTF = new MHMacroTF("envelope arg outbound"); 59 mTF.addOutboundCall(outboundTarget); 60 61 Argument[] outArgs = outboundTarget.getArgs(); 62 63 mTF.addTransformation(new MHPermuteTF( 64 mTF.addTransformation(new MHFoldTF( 65 mTF.addTransformation(new MHPermuteTF(outboundTarget, 66 MHPermuteTF.moveArgsInPermuteArray(MHPermuteTF.getIdentityPermuteArray(outArgs.length), 0, 1, _argNum) 67 )), 68 mTF.addTransformation(computeGetTF(_envelopeArg, _envelopeLocatorArg)) 69 )), 70 MHPermuteTF.moveArgsInPermuteArray(MHPermuteTF.getIdentityPermuteArray(outArgs.length + 1), _argNum, 2, 0) 71 )); 72 73 return mTF; 74 } catch ( Exception e ) { 75 throw (IllegalArgumentException) (new IllegalArgumentException("Exception when creating TF")).initCause(e); 76 } 77 } 78 79 protected abstract MHTF computeGetTF(Argument envelopeArg2, Argument envelopeLocatorArg2); 80 81 @Override 82 public MHTF getInboundTF(MHCall target) { 83 try { 84 Argument[] outArgs = target.getArgs(); 85 86 int[] arrayArgIdxs = Arguments.findTag(outArgs, _tag + "_Envelope"); 87 if ( arrayArgIdxs.length != 1 ) 88 throw new IllegalArgumentException("There should be only one argument tagged [" + _tag + "_Envelope], but there are " + arrayArgIdxs); 89 int arrayArgIdx = arrayArgIdxs[0]; 90 91 int[] idxArgIdxs = Arguments.findTag(outArgs, _tag + "_Locator"); 92 if ( idxArgIdxs.length != 1 ) 93 throw new IllegalArgumentException("There should be only one argument tagged [" + _tag + "_Locator], but there are " + idxArgIdxs); 94 int idxArgIdx = idxArgIdxs[0]; 95 96 MHMacroTF mTF = new MHMacroTF("envelope arg inbound"); 97 mTF.addOutboundCall(target); 98 99 int[] innerPermuteArray = MHPermuteTF.getIdentityPermuteArray(outArgs.length); 100 101 if ( arrayArgIdx < idxArgIdx ) 102 innerPermuteArray = MHPermuteTF.moveArgsInPermuteArray(MHPermuteTF.moveArgsInPermuteArray(innerPermuteArray, 0, 1, arrayArgIdx), 0, 1, idxArgIdx); 103 else 104 innerPermuteArray = MHPermuteTF.moveArgsInPermuteArray(MHPermuteTF.moveArgsInPermuteArray(innerPermuteArray, 0, 1, idxArgIdx), 0, 1, arrayArgIdx); 105 106 mTF.addTransformation(new MHPermuteTF( 107 mTF.addTransformation(new MHInsertTF( 108 mTF.addTransformation(new MHFoldTF( 109 mTF.addTransformation(new MHPermuteTF(target, innerPermuteArray)), 110 mTF.addTransformation(computeSetTF(_envelopeArg, _envelopeLocatorArg, _componentArg)) 111 )), 112 0, new Argument[] { _envelopeArg, _envelopeLocatorArg }, true 113 )), 114 MHPermuteTF.moveArgsInPermuteArray(MHPermuteTF.getIdentityPermuteArray(outArgs.length), arrayArgIdx, 1, 0) 115 )); 116 117 return mTF; 118 } catch ( Exception e ) { 119 throw (IllegalArgumentException) (new IllegalArgumentException("Exception when creating TF")).initCause(e); 120 } 121 } 122 123 protected abstract MHTF computeSetTF(Argument envelopeArg2, Argument envelopeLocatorArg2, Argument componentArg2); 124 }