Mercurial > hg > truffle
comparison graal/com.oracle.jvmci.meta/src/com/oracle/jvmci/meta/AbstractValue.java @ 21556:48c1ebd24120
renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Wed, 27 May 2015 00:36:16 +0200 |
parents | graal/com.oracle.graal.api.meta/src/com/oracle/graal/api/meta/AbstractValue.java@082417ac43e4 |
children | 26774dc3a5e7 |
comparison
equal
deleted
inserted
replaced
21555:d12eaef9af72 | 21556:48c1ebd24120 |
---|---|
1 /* | |
2 * Copyright (c) 2009, 2014, 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 com.oracle.jvmci.meta; | |
24 | |
25 /** | |
26 * Abstract base class for values. | |
27 */ | |
28 public abstract class AbstractValue implements Value, KindProvider { | |
29 | |
30 public static final AllocatableValue ILLEGAL = Value.ILLEGAL; | |
31 | |
32 private final Kind kind; | |
33 private final LIRKind lirKind; | |
34 | |
35 /** | |
36 * Initializes a new value of the specified kind. | |
37 * | |
38 * @param lirKind the kind | |
39 */ | |
40 protected AbstractValue(LIRKind lirKind) { | |
41 this.lirKind = lirKind; | |
42 if (getPlatformKind() instanceof Kind) { | |
43 this.kind = (Kind) getPlatformKind(); | |
44 } else { | |
45 this.kind = Kind.Illegal; | |
46 } | |
47 } | |
48 | |
49 /** | |
50 * Returns a String representation of the kind, which should be the end of all | |
51 * {@link #toString()} implementation of subclasses. | |
52 */ | |
53 protected final String getKindSuffix() { | |
54 return "|" + getKind().getTypeChar(); | |
55 } | |
56 | |
57 /** | |
58 * Returns the kind of this value. | |
59 */ | |
60 public final Kind getKind() { | |
61 return kind; | |
62 } | |
63 | |
64 public final LIRKind getLIRKind() { | |
65 return lirKind; | |
66 } | |
67 | |
68 /** | |
69 * Returns the platform specific kind used to store this value. | |
70 */ | |
71 public final PlatformKind getPlatformKind() { | |
72 return lirKind.getPlatformKind(); | |
73 } | |
74 | |
75 @Override | |
76 public int hashCode() { | |
77 return 41 + lirKind.hashCode(); | |
78 } | |
79 | |
80 @Override | |
81 public boolean equals(Object obj) { | |
82 if (obj instanceof AbstractValue) { | |
83 AbstractValue that = (AbstractValue) obj; | |
84 return kind.equals(that.kind) && lirKind.equals(that.lirKind); | |
85 } | |
86 return false; | |
87 } | |
88 | |
89 /** | |
90 * Checks if this value is identical to {@code other}. | |
91 * | |
92 * Warning: Use with caution! Usually equivalence {@link #equals(Object)} is sufficient and | |
93 * should be used. | |
94 */ | |
95 @ExcludeFromIdentityComparisonVerification | |
96 public final boolean identityEquals(AbstractValue other) { | |
97 return this == other; | |
98 } | |
99 } |