| /* |
| * Copyright (c) 2011, 2018, 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 vm.mlvm.meth.share.transform.v2; |
| |
| import java.lang.invoke.MethodHandle; |
| import java.lang.invoke.MethodHandles; |
| import java.lang.invoke.WrongMethodTypeException; |
| import java.util.Arrays; |
| |
| import nsk.share.test.TestUtils; |
| import vm.mlvm.meth.share.Argument; |
| import vm.mlvm.meth.share.Arguments; |
| import vm.mlvm.meth.share.MHUtils; |
| |
| public class MHInsertTF extends MHInsertOrDropTF { |
| |
| protected final boolean _canDropProtected; |
| |
| public MHInsertTF(MHCall target, int pos, Argument[] values, boolean canDropProtected) { |
| super(target, pos, values); |
| _canDropProtected = canDropProtected; |
| } |
| |
| @Override |
| protected void check(Argument[] targetArgs) throws IllegalArgumentException { |
| super.check(targetArgs); |
| |
| for (int i = this.pos; i < Math.min(targetArgs.length, this.pos + this.values.length); i++) { |
| if ( ! _canDropProtected && targetArgs[i].isPreserved() ) { |
| throw new WrongMethodTypeException("Dropping a protected argument #" + i |
| + ": " + targetArgs[i]); |
| |
| } |
| |
| MHUtils.assertAssignableType("argument " + i, targetArgs[i].getType(), this.values[i - this.pos].getType()); |
| } |
| } |
| |
| @Override |
| protected Argument[] computeInboundArgs(Argument[] targetArgs) { |
| return TestUtils.concatArrays( |
| Arrays.copyOfRange(targetArgs, 0, this.pos), |
| Arrays.copyOfRange(targetArgs, this.pos + this.values.length, targetArgs.length)); |
| } |
| |
| @Override |
| protected MethodHandle computeInboundMH(MethodHandle targetMH) { |
| return MethodHandles.insertArguments(targetMH, this.pos, Arguments.valuesArray(this.values)); |
| } |
| |
| @Override |
| protected String getName() { |
| return "insertArguments"; |
| } |
| |
| } |