ConstantValue.java revision 12657:6ef01bd40ce2 
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 */
23package org.graalvm.compiler.lir;
24
25import jdk.vm.ci.meta.Constant;
26import jdk.vm.ci.meta.JavaConstant;
27import jdk.vm.ci.meta.Value;
28import jdk.vm.ci.meta.ValueKind;
29
30/**
31 * Represents an inlined {@link Constant} value.
32 */
33public 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}
73