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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotObjectConstantImpl.java @ 20973:cb406df0ecc3

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Visit CompositeValues manually
author Tom Rodriguez <tom.rodriguez@oracle.com>
date Tue, 14 Apr 2015 11:36:42 -0700
parents 3362ba500371
children 082417ac43e4
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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.meta.*;
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30 import com.oracle.graal.hotspot.*;
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31
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32 import edu.umd.cs.findbugs.annotations.*;
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33
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34 /**
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35 * Represents a constant non-{@code null} object reference, within the compiler and across the
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36 * compiler/runtime interface.
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37 */
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38 public final class HotSpotObjectConstantImpl extends AbstractValue implements HotSpotObjectConstant, HotSpotProxified {
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39
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40 private static final long serialVersionUID = 3592151693708093496L;
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41
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42 static JavaConstant forObject(Object object) {
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43 return forObject(object, false);
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44 }
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45
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46 static JavaConstant forObject(Object object, boolean compressed) {
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47 if (object == null) {
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48 return compressed ? HotSpotCompressedNullConstant.COMPRESSED_NULL : JavaConstant.NULL_POINTER;
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49 } else {
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50 return new HotSpotObjectConstantImpl(object, compressed);
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51 }
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52 }
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53
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54 static JavaConstant forStableArray(Object object, int stableDimension, boolean isDefaultStable) {
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55 if (object == null) {
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56 return JavaConstant.NULL_POINTER;
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57 } else {
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58 assert object.getClass().isArray();
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59 return new HotSpotObjectConstantImpl(object, false, stableDimension, isDefaultStable);
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60 }
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61 }
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62
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63 public static JavaConstant forBoxedValue(Kind kind, Object value) {
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64 if (kind == Kind.Object) {
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65 return HotSpotObjectConstantImpl.forObject(value);
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66 } else {
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67 return JavaConstant.forBoxedPrimitive(value);
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68 }
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69 }
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70
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71 static Object asBoxedValue(Constant constant) {
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72 if (JavaConstant.isNull(constant)) {
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73 return null;
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74 } else if (constant instanceof HotSpotObjectConstantImpl) {
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75 return ((HotSpotObjectConstantImpl) constant).object;
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76 } else {
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77 return ((JavaConstant) constant).asBoxedPrimitive();
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78 }
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79 }
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80
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81 private final Object object;
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82 private final boolean compressed;
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83 private final byte stableDimension;
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84 private final boolean isDefaultStable;
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85
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86 private HotSpotObjectConstantImpl(Object object, boolean compressed, int stableDimension, boolean isDefaultStable) {
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87 super(LIRKind.reference(compressed ? Kind.Int : Kind.Object));
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88 this.object = object;
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89 this.compressed = compressed;
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90 this.stableDimension = (byte) stableDimension;
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91 this.isDefaultStable = isDefaultStable;
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92 assert object != null;
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93 assert stableDimension == 0 || (object != null && object.getClass().isArray());
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94 assert stableDimension >= 0 && stableDimension <= 255;
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95 assert !isDefaultStable || stableDimension > 0;
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96 }
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97
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98 private HotSpotObjectConstantImpl(Object object, boolean compressed) {
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99 this(object, compressed, 0, false);
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100 }
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101
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102 /**
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103 * Package-private accessor for the object represented by this constant.
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104 */
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105 Object object() {
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106 return object;
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107 }
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108
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109 /**
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110 * Determines if the object represented by this constant is {@link Object#equals(Object) equal}
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111 * to a given object.
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112 */
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113 public boolean isEqualTo(Object obj) {
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114 return object.equals(obj);
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115 }
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116
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117 /**
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118 * Gets the class of the object represented by this constant.
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119 */
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120 public Class<?> getObjectClass() {
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121 return object.getClass();
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122 }
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123
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124 public boolean isCompressed() {
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125 return compressed;
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126 }
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127
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128 public JavaConstant compress() {
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129 assert !compressed;
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130 return new HotSpotObjectConstantImpl(object, true, stableDimension, isDefaultStable);
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131 }
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132
18187
9619ba4daf4c Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 18186
diff changeset
133 public JavaConstant uncompress() {
15909
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
134 assert compressed;
18472
de179c27cad3 Add support for stable array constants
Andreas Woess <andreas.woess@jku.at>
parents: 18471
diff changeset
135 return new HotSpotObjectConstantImpl(object, false, stableDimension, isDefaultStable);
15909
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
136 }
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
137
18545
0ec7e37451c7 added HotSpotObjectConstant.getType() and restricted access to some static methods in HotSpotObjectConstantImpl
Doug Simon <doug.simon@oracle.com>
parents: 18533
diff changeset
138 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
139 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
140 }
0ec7e37451c7 added HotSpotObjectConstant.getType() and restricted access to some static methods in HotSpotObjectConstantImpl
Doug Simon <doug.simon@oracle.com>
parents: 18533
diff changeset
141
18280
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
142 public JavaConstant getClassLoader() {
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
143 if (object instanceof Class) {
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
144 /*
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
145 * 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
146 * can't call that directly so just call getClassLoader.
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
147 */
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
148 return HotSpotObjectConstantImpl.forObject(((Class<?>) object).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 null;
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
18282
ecf3de366ecc added HotSpotObjectConstant.getIdentityHashCode()
Doug Simon <doug.simon@oracle.com>
parents: 18280
diff changeset
153 public int getIdentityHashCode() {
ecf3de366ecc added HotSpotObjectConstant.getIdentityHashCode()
Doug Simon <doug.simon@oracle.com>
parents: 18280
diff changeset
154 return System.identityHashCode(object);
ecf3de366ecc added HotSpotObjectConstant.getIdentityHashCode()
Doug Simon <doug.simon@oracle.com>
parents: 18280
diff changeset
155 }
ecf3de366ecc added HotSpotObjectConstant.getIdentityHashCode()
Doug Simon <doug.simon@oracle.com>
parents: 18280
diff changeset
156
18284
29ba2a7cdfcb added HotSpotObjectConstant.getComponentType()
Doug Simon <doug.simon@oracle.com>
parents: 18283
diff changeset
157 public JavaConstant getComponentType() {
29ba2a7cdfcb added HotSpotObjectConstant.getComponentType()
Doug Simon <doug.simon@oracle.com>
parents: 18283
diff changeset
158 if (object instanceof Class) {
29ba2a7cdfcb added HotSpotObjectConstant.getComponentType()
Doug Simon <doug.simon@oracle.com>
parents: 18283
diff changeset
159 return HotSpotObjectConstantImpl.forObject(((Class<?>) object).getComponentType());
29ba2a7cdfcb added HotSpotObjectConstant.getComponentType()
Doug Simon <doug.simon@oracle.com>
parents: 18283
diff changeset
160 }
29ba2a7cdfcb added HotSpotObjectConstant.getComponentType()
Doug Simon <doug.simon@oracle.com>
parents: 18283
diff changeset
161 return null;
29ba2a7cdfcb added HotSpotObjectConstant.getComponentType()
Doug Simon <doug.simon@oracle.com>
parents: 18283
diff changeset
162 }
29ba2a7cdfcb added HotSpotObjectConstant.getComponentType()
Doug Simon <doug.simon@oracle.com>
parents: 18283
diff changeset
163
18285
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
164 public JavaConstant getSuperclass() {
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
165 if (object instanceof Class) {
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
166 return HotSpotObjectConstantImpl.forObject(((Class<?>) object).getSuperclass());
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
167 }
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
168 return null;
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
169 }
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
170
18286
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
171 public JavaConstant getCallSiteTarget(Assumptions assumptions) {
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
172 if (object instanceof CallSite) {
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
173 CallSite callSite = (CallSite) object;
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
174 MethodHandle target = callSite.getTarget();
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
175 if (!(callSite instanceof ConstantCallSite)) {
19306
a0a760b0fb5f pulled method evolution dependencies out of Assumptions and directly into StructuredGraph
Doug Simon <doug.simon@oracle.com>
parents: 18867
diff changeset
176 if (assumptions == null) {
18286
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
177 return null;
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
178 }
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
179 assumptions.record(new Assumptions.CallSiteTargetValue(callSite, target));
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
180 }
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
181 return HotSpotObjectConstantImpl.forObject(target);
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
182 }
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
183 return null;
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
184 }
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
185
18288
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
186 @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
187 public boolean isInternedString() {
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
188 if (object instanceof String) {
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
189 String s = (String) object;
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
190 return s.intern() == s;
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
191 }
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
192 return false;
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
193 }
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
194
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
195 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
196 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
197 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
198 }
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
199 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
200 }
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
201
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
202 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
203 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
204 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
205 }
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
206 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
207 }
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
208
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
209 @Override
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
210 public boolean isNull() {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
211 return false;
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
212 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
213
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
214 @Override
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
215 public boolean isDefaultForKind() {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
216 return false;
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
217 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
218
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
219 @Override
18186
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
220 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
221 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
222 }
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
223
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
224 @Override
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
225 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
226 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
227 }
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
228
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
229 @Override
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
230 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
231 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
232 }
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
233
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
234 @Override
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
235 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
236 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
237 }
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
238
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
239 @Override
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
240 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
241 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
242 }
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
243
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
244 @Override
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
245 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
246 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
247 }
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
248
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
249 @Override
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
250 public int hashCode() {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
251 return System.identityHashCode(object);
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
252 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
253
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
254 @Override
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
255 public boolean equals(Object o) {
18471
7b60f8334af0 Compare compressed flag in HotSpotObjectConstantImpl#equals and reference equality in HotSpotConstantReflectionProvider#constantEquals
Andreas Woess <andreas.woess@jku.at>
parents: 18359
diff changeset
256 if (o == this) {
7b60f8334af0 Compare compressed flag in HotSpotObjectConstantImpl#equals and reference equality in HotSpotConstantReflectionProvider#constantEquals
Andreas Woess <andreas.woess@jku.at>
parents: 18359
diff changeset
257 return true;
7b60f8334af0 Compare compressed flag in HotSpotObjectConstantImpl#equals and reference equality in HotSpotConstantReflectionProvider#constantEquals
Andreas Woess <andreas.woess@jku.at>
parents: 18359
diff changeset
258 } else if (o instanceof HotSpotObjectConstantImpl) {
7b60f8334af0 Compare compressed flag in HotSpotObjectConstantImpl#equals and reference equality in HotSpotConstantReflectionProvider#constantEquals
Andreas Woess <andreas.woess@jku.at>
parents: 18359
diff changeset
259 HotSpotObjectConstantImpl other = (HotSpotObjectConstantImpl) o;
18472
de179c27cad3 Add support for stable array constants
Andreas Woess <andreas.woess@jku.at>
parents: 18471
diff changeset
260 return super.equals(o) && object == other.object && compressed == other.compressed && stableDimension == other.stableDimension && isDefaultStable == other.isDefaultStable;
18471
7b60f8334af0 Compare compressed flag in HotSpotObjectConstantImpl#equals and reference equality in HotSpotConstantReflectionProvider#constantEquals
Andreas Woess <andreas.woess@jku.at>
parents: 18359
diff changeset
261 }
7b60f8334af0 Compare compressed flag in HotSpotObjectConstantImpl#equals and reference equality in HotSpotConstantReflectionProvider#constantEquals
Andreas Woess <andreas.woess@jku.at>
parents: 18359
diff changeset
262 return false;
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
263 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
264
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
265 @Override
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
266 public String toValueString() {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
267 if (object instanceof String) {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
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268 return (String) object;
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269 } else {
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270 return Kind.Object.format(object);
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271 }
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272 }
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273
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274 @Override
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275 public String toString() {
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276 return (compressed ? "NarrowOop" : getKind().getJavaName()) + "[" + Kind.Object.format(object) + "]";
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277 }
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278
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279 /**
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280 * Number of stable dimensions if this constant is a stable array.
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281 */
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282 public int getStableDimension() {
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283 return stableDimension & 0xff;
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284 }
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285
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286 /**
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287 * Returns {@code true} if this is a stable array constant and its elements should be considered
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288 * as stable regardless of whether they are default values.
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289 */
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290 public boolean isDefaultStable() {
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291 return isDefaultStable;
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292 }
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293 }