1 /*
   2  * Copyright (c) 2015, 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 class Argument {
  28     private final int argumentIndex; // index of argument (in argument list)
  29     private final Layout type;
  30 
  31     // for testing/debugging, also serves as indicator that argument is named (as opposed to elipsis/varargs arg)
  32     private final String name;
  33 
  34     public Argument(int argumentIndex, Layout type, String name) {
  35         this.argumentIndex = argumentIndex;
  36         this.type = type;
  37         this.name = name;
  38     }
  39 
  40     public Argument(int index, Layout type) {
  41         this(index, type, null);
  42     }
  43 
  44     public int getArgumentIndex() {
  45         return argumentIndex;
  46     }
  47 
  48     public Layout getType() {
  49         return type;
  50     }
  51 
  52     public String getName() {
  53         return name != null ? name : "<anonymous>";
  54     }
  55 
  56     public boolean isNamed() {
  57         return name != null;
  58     }
  59 
  60     @Override
  61     public String toString() {
  62         return "[" + type.toString() + " " + getName() + "]";
  63     }
  64 }