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 
  25 package vm.mlvm.meth.share.transform.v2;
  26 
  27 import java.lang.invoke.MethodHandle;
  28 
  29 import vm.mlvm.meth.share.Argument;
  30 
  31 public abstract class MHBasicUnaryTF extends MHUnaryTF {
  32 
  33     protected MHBasicUnaryTF(final MHCall target) {
  34         super(target);
  35     }
  36 
  37     // Syntax sugar
  38 
  39     @Override
  40     protected void check() throws IllegalArgumentException {
  41         check(getTargetCall().getArgs());
  42     }
  43 
  44     @Override
  45     protected Argument computeRetVal() {
  46         return computeRetVal(getTargetCall().getRetVal());
  47     }
  48 
  49     @Override
  50     protected Argument[] computeInboundArgs() {
  51         return computeInboundArgs(getTargetCall().getArgs());
  52     }
  53 
  54     @Override
  55     protected MethodHandle computeInboundMH() throws NoSuchMethodException, IllegalAccessException {
  56         return computeInboundMH(getTargetCall().getTargetMH());
  57     }
  58 
  59     protected void check(Argument[] targetArgs) throws IllegalArgumentException {
  60     }
  61 
  62     protected Argument computeRetVal(Argument targetRetVal) {
  63         return targetRetVal;
  64     }
  65 
  66     protected Argument[] computeInboundArgs(Argument[] targetArgs) {
  67         return targetArgs;
  68     }
  69 
  70     protected MethodHandle computeInboundMH(MethodHandle targetMH) throws NoSuchMethodException, IllegalAccessException {
  71         return targetMH;
  72     }
  73 }