Mercurial > hg > graal-jvmci-8
comparison jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotSentinelConstant.java @ 23794:bf96b9e10583
sync with JDK9 changes
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 22 Nov 2016 11:40:31 +0100 |
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23793:e1e98e0ca9b8 | 23794:bf96b9e10583 |
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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 } |