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comparison jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotSentinelConstant.java @ 23794:bf96b9e10583

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sync with JDK9 changes
author Doug Simon <doug.simon@oracle.com>
date Tue, 22 Nov 2016 11:40:31 +0100
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23793:e1e98e0ca9b8 23794:bf96b9e10583
1 /*
2 * Copyright (c) 2014, 2016, 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.vm.ci.hotspot;
24
25 import jdk.vm.ci.meta.JavaConstant;
26 import jdk.vm.ci.meta.JavaKind;
27 import jdk.vm.ci.meta.ValueKind;
28 import jdk.vm.ci.meta.VMConstant;
29 import jdk.vm.ci.meta.Value;
30
31 public final class HotSpotSentinelConstant extends Value implements JavaConstant, VMConstant {
32
33 private final JavaKind javaKind;
34
35 public HotSpotSentinelConstant(ValueKind<?> valueKind, JavaKind javaKind) {
36 super(valueKind);
37 this.javaKind = javaKind;
38 }
39
40 public JavaKind getJavaKind() {
41 return javaKind;
42 }
43
44 @Override
45 public boolean isNull() {
46 return true;
47 }
48
49 @Override
50 public boolean isDefaultForKind() {
51 return true;
52 }
53
54 @Override
55 public Object asBoxedPrimitive() {
56 throw new IllegalArgumentException();
57 }
58
59 @Override
60 public int asInt() {
61 throw new IllegalArgumentException();
62 }
63
64 @Override
65 public boolean asBoolean() {
66 throw new IllegalArgumentException();
67 }
68
69 @Override
70 public long asLong() {
71 throw new IllegalArgumentException();
72 }
73
74 @Override
75 public float asFloat() {
76 throw new IllegalArgumentException();
77 }
78
79 @Override
80 public double asDouble() {
81 throw new IllegalArgumentException();
82 }
83
84 @Override
85 public String toString() {
86 return JavaConstant.toString(this);
87 }
88
89 @Override
90 public String toValueString() {
91 return "sentinel";
92 }
93
94 @Override
95 public int hashCode() {
96 return 13;
97 }
98
99 @Override
100 public boolean equals(Object o) {
101 return o instanceof HotSpotSentinelConstant;
102 }
103 }