1 /*
   2  * Copyright (c) 2015, 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 org.graalvm.compiler.lir;
  24 
  25 import jdk.vm.ci.meta.Constant;
  26 import jdk.vm.ci.meta.JavaConstant;
  27 import jdk.vm.ci.meta.Value;
  28 import jdk.vm.ci.meta.ValueKind;
  29 
  30 /**
  31  * Represents an inlined {@link Constant} value.
  32  */
  33 public class ConstantValue extends Value {
  34 
  35     private final Constant constant;
  36 
  37     public ConstantValue(ValueKind<?> kind, Constant constant) {
  38         super(kind);
  39         this.constant = constant;
  40     }
  41 
  42     public Constant getConstant() {
  43         return constant;
  44     }
  45 
  46     public boolean isJavaConstant() {
  47         return constant instanceof JavaConstant;
  48     }
  49 
  50     public JavaConstant getJavaConstant() {
  51         return (JavaConstant) constant;
  52     }
  53 
  54     @Override
  55     public String toString() {
  56         return constant.toString();
  57     }
  58 
  59     @Override
  60     public boolean equals(Object obj) {
  61         if (obj instanceof ConstantValue) {
  62             ConstantValue other = (ConstantValue) obj;
  63             return super.equals(other) && this.constant.equals(other.constant);
  64         }
  65         return false;
  66     }
  67 
  68     @Override
  69     public int hashCode() {
  70         return constant.hashCode() + super.hashCode();
  71     }
  72 }