1 /*
   2  * Copyright (c) 2015, 2019 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 package jdk.internal.foreign.abi;
  24 
  25 import java.foreign.layout.Layout;
  26 
  27 public abstract class Argument {
  28     private final int argumentIndex; // index of argument (in argument list)
  29     private final Layout layout;
  30     private final String debugName; //optional debug name
  31 
  32     protected Argument(Layout layout, int argumentIndex, String debugName) {
  33         this.argumentIndex = argumentIndex;
  34         this.layout = layout;
  35         this.debugName = debugName;
  36     }
  37 
  38     public int argumentIndex() {
  39         return argumentIndex;
  40     }
  41 
  42     public Layout layout() {
  43         return layout;
  44     }
  45 
  46     public String name() {
  47         return debugName != null ? debugName : "<anonymous>";
  48     }
  49 
  50     public abstract boolean inMemory();
  51 
  52     @Override
  53     public String toString() {
  54         return "[" + layout.toString() + " " + name() + "]";
  55     }
  56 }