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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotObjectConstantImpl.java @ 18545:0ec7e37451c7

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added HotSpotObjectConstant.getType() and restricted access to some static methods in HotSpotObjectConstantImpl
author Doug Simon <doug.simon@oracle.com>
date Wed, 26 Nov 2014 20:48:16 +0100
parents 25a21e1794ec
children 2b8e460c4935
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 * Copyright (c) 2009, 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.hotspot.meta;
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24
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25 import static com.oracle.graal.hotspot.meta.HotSpotResolvedObjectTypeImpl.*;
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26
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27 import java.lang.invoke.*;
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28
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29 import com.oracle.graal.api.code.*;
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30 import com.oracle.graal.api.meta.*;
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31 import com.oracle.graal.graph.*;
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32 import com.oracle.graal.lir.*;
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33
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34 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
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35
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36 /**
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37 * Represents a constant non-{@code null} object reference, within the compiler and across the
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38 * compiler/runtime interface.
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39 */
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40 public final class HotSpotObjectConstantImpl extends AbstractValue implements HotSpotObjectConstant, Remote {
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41
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42 private static final long serialVersionUID = 3592151693708093496L;
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43
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44 public static JavaConstant forObject(Object object) {
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45 return forObject(object, false);
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46 }
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47
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48 static JavaConstant forObject(Object object, boolean compressed) {
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49 if (object == null) {
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50 return compressed ? HotSpotCompressedNullConstant.COMPRESSED_NULL : JavaConstant.NULL_POINTER;
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51 } else {
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52 return new HotSpotObjectConstantImpl(object, compressed);
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53 }
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54 }
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55
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56 static JavaConstant forStableArray(Object object, int stableDimension, boolean isDefaultStable) {
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57 if (object == null) {
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58 return JavaConstant.NULL_POINTER;
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59 } else {
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60 assert object.getClass().isArray();
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61 return new HotSpotObjectConstantImpl(object, false, stableDimension, isDefaultStable);
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62 }
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63 }
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64
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65 public static JavaConstant forBoxedValue(Kind kind, Object value) {
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66 if (kind == Kind.Object) {
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67 return HotSpotObjectConstantImpl.forObject(value);
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68 } else {
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69 return JavaConstant.forBoxedPrimitive(value);
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70 }
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71 }
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72
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73 static Object asBoxedValue(Constant constant) {
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74 if (JavaConstant.isNull(constant)) {
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75 return null;
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76 } else if (constant instanceof HotSpotObjectConstantImpl) {
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77 return ((HotSpotObjectConstantImpl) constant).object;
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78 } else {
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79 return ((JavaConstant) constant).asBoxedPrimitive();
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80 }
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81 }
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82
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83 private final Object object;
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84 private final boolean compressed;
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85 private final byte stableDimension;
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86 private final boolean isDefaultStable;
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87
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88 private HotSpotObjectConstantImpl(Object object, boolean compressed, int stableDimension, boolean isDefaultStable) {
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89 super(LIRKind.reference(compressed ? Kind.Int : Kind.Object));
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90 this.object = object;
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91 this.compressed = compressed;
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92 this.stableDimension = (byte) stableDimension;
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93 this.isDefaultStable = isDefaultStable;
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94 assert object != null;
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95 assert stableDimension == 0 || (object != null && object.getClass().isArray());
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96 assert stableDimension >= 0 && stableDimension <= 255;
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97 assert !isDefaultStable || stableDimension > 0;
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98 }
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99
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100 private HotSpotObjectConstantImpl(Object object, boolean compressed) {
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101 this(object, compressed, 0, false);
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102 }
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103
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104 /**
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105 * Package-private accessor for the object represented by this constant.
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106 */
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107 Object object() {
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108 return object;
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109 }
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110
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111 /**
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112 * Determines if the object represented by this constant is {@link Object#equals(Object) equal}
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113 * to a given object.
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114 */
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115 public boolean isEqualTo(Object obj) {
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116 return object.equals(obj);
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117 }
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118
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119 /**
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120 * Gets the class of the object represented by this constant.
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121 */
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122 public Class<?> getObjectClass() {
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123 return object.getClass();
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124 }
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125
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126 public boolean isCompressed() {
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127 return compressed;
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128 }
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129
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130 public JavaConstant compress() {
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131 assert !compressed;
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parents: 18471
diff changeset
132 return new HotSpotObjectConstantImpl(object, true, stableDimension, isDefaultStable);
15909
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
133 }
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
134
18187
9619ba4daf4c Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 18186
diff changeset
135 public JavaConstant uncompress() {
15909
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
136 assert compressed;
18472
de179c27cad3 Add support for stable array constants
Andreas Woess <andreas.woess@jku.at>
parents: 18471
diff changeset
137 return new HotSpotObjectConstantImpl(object, false, stableDimension, isDefaultStable);
15909
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
138 }
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
139
18545
0ec7e37451c7 added HotSpotObjectConstant.getType() and restricted access to some static methods in HotSpotObjectConstantImpl
Doug Simon <doug.simon@oracle.com>
parents: 18533
diff changeset
140 public HotSpotResolvedObjectType getType() {
0ec7e37451c7 added HotSpotObjectConstant.getType() and restricted access to some static methods in HotSpotObjectConstantImpl
Doug Simon <doug.simon@oracle.com>
parents: 18533
diff changeset
141 return fromObjectClass(object.getClass());
0ec7e37451c7 added HotSpotObjectConstant.getType() and restricted access to some static methods in HotSpotObjectConstantImpl
Doug Simon <doug.simon@oracle.com>
parents: 18533
diff changeset
142 }
0ec7e37451c7 added HotSpotObjectConstant.getType() and restricted access to some static methods in HotSpotObjectConstantImpl
Doug Simon <doug.simon@oracle.com>
parents: 18533
diff changeset
143
18280
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
144 public JavaConstant getClassLoader() {
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
145 if (object instanceof Class) {
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
146 /*
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
147 * This is an intrinsic for getClassLoader0, which occurs after any security checks. We
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
148 * can't call that directly so just call getClassLoader.
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
149 */
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
150 return HotSpotObjectConstantImpl.forObject(((Class<?>) object).getClassLoader());
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
151 }
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
152 return null;
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
153 }
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
154
18282
ecf3de366ecc added HotSpotObjectConstant.getIdentityHashCode()
Doug Simon <doug.simon@oracle.com>
parents: 18280
diff changeset
155 public int getIdentityHashCode() {
ecf3de366ecc added HotSpotObjectConstant.getIdentityHashCode()
Doug Simon <doug.simon@oracle.com>
parents: 18280
diff changeset
156 return System.identityHashCode(object);
ecf3de366ecc added HotSpotObjectConstant.getIdentityHashCode()
Doug Simon <doug.simon@oracle.com>
parents: 18280
diff changeset
157 }
ecf3de366ecc added HotSpotObjectConstant.getIdentityHashCode()
Doug Simon <doug.simon@oracle.com>
parents: 18280
diff changeset
158
18283
b2eb7302706c added HotSpotObjectConstant.getNodeClass()
Doug Simon <doug.simon@oracle.com>
parents: 18282
diff changeset
159 public JavaConstant getNodeClass() {
b2eb7302706c added HotSpotObjectConstant.getNodeClass()
Doug Simon <doug.simon@oracle.com>
parents: 18282
diff changeset
160 if (object instanceof Class) {
b2eb7302706c added HotSpotObjectConstant.getNodeClass()
Doug Simon <doug.simon@oracle.com>
parents: 18282
diff changeset
161 return HotSpotObjectConstantImpl.forObject(NodeClass.get((Class<?>) object));
b2eb7302706c added HotSpotObjectConstant.getNodeClass()
Doug Simon <doug.simon@oracle.com>
parents: 18282
diff changeset
162 }
b2eb7302706c added HotSpotObjectConstant.getNodeClass()
Doug Simon <doug.simon@oracle.com>
parents: 18282
diff changeset
163 return null;
b2eb7302706c added HotSpotObjectConstant.getNodeClass()
Doug Simon <doug.simon@oracle.com>
parents: 18282
diff changeset
164 }
b2eb7302706c added HotSpotObjectConstant.getNodeClass()
Doug Simon <doug.simon@oracle.com>
parents: 18282
diff changeset
165
18284
29ba2a7cdfcb added HotSpotObjectConstant.getComponentType()
Doug Simon <doug.simon@oracle.com>
parents: 18283
diff changeset
166 public JavaConstant getComponentType() {
29ba2a7cdfcb added HotSpotObjectConstant.getComponentType()
Doug Simon <doug.simon@oracle.com>
parents: 18283
diff changeset
167 if (object instanceof Class) {
29ba2a7cdfcb added HotSpotObjectConstant.getComponentType()
Doug Simon <doug.simon@oracle.com>
parents: 18283
diff changeset
168 return HotSpotObjectConstantImpl.forObject(((Class<?>) object).getComponentType());
29ba2a7cdfcb added HotSpotObjectConstant.getComponentType()
Doug Simon <doug.simon@oracle.com>
parents: 18283
diff changeset
169 }
29ba2a7cdfcb added HotSpotObjectConstant.getComponentType()
Doug Simon <doug.simon@oracle.com>
parents: 18283
diff changeset
170 return null;
29ba2a7cdfcb added HotSpotObjectConstant.getComponentType()
Doug Simon <doug.simon@oracle.com>
parents: 18283
diff changeset
171 }
29ba2a7cdfcb added HotSpotObjectConstant.getComponentType()
Doug Simon <doug.simon@oracle.com>
parents: 18283
diff changeset
172
18285
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
173 public JavaConstant getSuperclass() {
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
174 if (object instanceof Class) {
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
175 return HotSpotObjectConstantImpl.forObject(((Class<?>) object).getSuperclass());
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
176 }
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
177 return null;
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
178 }
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
179
18286
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
180 public JavaConstant getCallSiteTarget(Assumptions assumptions) {
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
181 if (object instanceof CallSite) {
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
182 CallSite callSite = (CallSite) object;
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
183 MethodHandle target = callSite.getTarget();
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
184 if (!(callSite instanceof ConstantCallSite)) {
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
185 if (assumptions == null || !assumptions.useOptimisticAssumptions()) {
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
186 return null;
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
187 }
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
188 assumptions.record(new Assumptions.CallSiteTargetValue(callSite, target));
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
189 }
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
190 return HotSpotObjectConstantImpl.forObject(target);
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
191 }
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
192 return null;
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
193 }
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
194
18287
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
195 @SuppressWarnings("unchecked")
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
196 public JavaConstant getCompositeValueClass() {
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
197 if (object instanceof Class) {
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
198 Class<? extends CompositeValue> c = (Class<? extends CompositeValue>) object;
18293
ab8fbaa5e72f fixed minor regressions after removing HotSpotObjectConstantImpl.asObject()
Doug Simon <doug.simon@oracle.com>
parents: 18290
diff changeset
199 assert CompositeValue.class.isAssignableFrom(c) : c;
18287
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
200 return HotSpotObjectConstantImpl.forObject(CompositeValueClass.get(c));
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
201 }
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
202 return null;
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
203 }
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
204
18288
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
205 @SuppressFBWarnings(value = "ES_COMPARING_STRINGS_WITH_EQ", justification = "reference equality is what we want")
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
206 public boolean isInternedString() {
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
207 if (object instanceof String) {
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
208 String s = (String) object;
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
209 return s.intern() == s;
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
210 }
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
211 return false;
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
212 }
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
213
18533
25a21e1794ec modified SnippetReflectionProvider to support both VM-side and compiler-side constants in a compilation replay context
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
214 public <T> T asObject(Class<T> type) {
25a21e1794ec modified SnippetReflectionProvider to support both VM-side and compiler-side constants in a compilation replay context
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
215 if (type.isInstance(object)) {
25a21e1794ec modified SnippetReflectionProvider to support both VM-side and compiler-side constants in a compilation replay context
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
216 return type.cast(object);
25a21e1794ec modified SnippetReflectionProvider to support both VM-side and compiler-side constants in a compilation replay context
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
217 }
25a21e1794ec modified SnippetReflectionProvider to support both VM-side and compiler-side constants in a compilation replay context
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
218 return null;
25a21e1794ec modified SnippetReflectionProvider to support both VM-side and compiler-side constants in a compilation replay context
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
219 }
25a21e1794ec modified SnippetReflectionProvider to support both VM-side and compiler-side constants in a compilation replay context
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
220
25a21e1794ec modified SnippetReflectionProvider to support both VM-side and compiler-side constants in a compilation replay context
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
221 public Object asObject(ResolvedJavaType type) {
25a21e1794ec modified SnippetReflectionProvider to support both VM-side and compiler-side constants in a compilation replay context
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
222 if (type.isInstance(this)) {
25a21e1794ec modified SnippetReflectionProvider to support both VM-side and compiler-side constants in a compilation replay context
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
223 return object;
25a21e1794ec modified SnippetReflectionProvider to support both VM-side and compiler-side constants in a compilation replay context
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
224 }
25a21e1794ec modified SnippetReflectionProvider to support both VM-side and compiler-side constants in a compilation replay context
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
225 return null;
25a21e1794ec modified SnippetReflectionProvider to support both VM-side and compiler-side constants in a compilation replay context
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
226 }
25a21e1794ec modified SnippetReflectionProvider to support both VM-side and compiler-side constants in a compilation replay context
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
227
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
228 @Override
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
229 public boolean isNull() {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
230 return false;
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
231 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
232
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
233 @Override
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
234 public boolean isDefaultForKind() {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
235 return false;
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
236 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
237
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
238 @Override
18186
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
239 public Object asBoxedPrimitive() {
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
240 throw new IllegalArgumentException();
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
241 }
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
242
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
243 @Override
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
244 public int asInt() {
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
245 throw new IllegalArgumentException();
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
246 }
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
247
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
248 @Override
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
249 public boolean asBoolean() {
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
250 throw new IllegalArgumentException();
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
251 }
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
252
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
253 @Override
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
254 public long asLong() {
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
255 throw new IllegalArgumentException();
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
256 }
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
257
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
258 @Override
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
259 public float asFloat() {
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
260 throw new IllegalArgumentException();
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
261 }
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
262
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
263 @Override
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
264 public double asDouble() {
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
265 throw new IllegalArgumentException();
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
266 }
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
267
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
268 @Override
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
269 public int hashCode() {
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270 return System.identityHashCode(object);
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271 }
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272
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273 @Override
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274 public boolean equals(Object o) {
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275 if (o == this) {
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276 return true;
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277 } else if (o instanceof HotSpotObjectConstantImpl) {
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278 HotSpotObjectConstantImpl other = (HotSpotObjectConstantImpl) o;
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279 return super.equals(o) && object == other.object && compressed == other.compressed && stableDimension == other.stableDimension && isDefaultStable == other.isDefaultStable;
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280 }
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281 return false;
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282 }
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283
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284 @Override
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285 public String toValueString() {
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286 if (object instanceof String) {
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287 return (String) object;
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288 } else {
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289 return Kind.Object.format(object);
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290 }
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291 }
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292
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293 @Override
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294 public String toString() {
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295 return (compressed ? "NarrowOop" : getKind().getJavaName()) + "[" + Kind.Object.format(object) + "]";
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296 }
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297
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298 /**
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299 * Number of stable dimensions if this constant is a stable array.
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300 */
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301 public int getStableDimension() {
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302 return stableDimension & 0xff;
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303 }
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304
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305 /**
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306 * Returns {@code true} if this is a stable array constant and its elements should be considered
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307 * as stable regardless of whether they are default values.
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308 */
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309 public boolean isDefaultStable() {
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310 return isDefaultStable;
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311 }
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312 }