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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotObjectConstantImpl.java @ 19306:a0a760b0fb5f

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pulled method evolution dependencies out of Assumptions and directly into StructuredGraph
author Doug Simon <doug.simon@oracle.com>
date Thu, 12 Feb 2015 01:54:05 +0100
parents 7f4cb7587f4c
children e6637891a870
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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.hotspot.*;
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33 import com.oracle.graal.lir.*;
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34
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35 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
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36
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37 /**
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38 * Represents a constant non-{@code null} object reference, within the compiler and across the
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39 * compiler/runtime interface.
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40 */
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41 public final class HotSpotObjectConstantImpl extends AbstractValue implements HotSpotObjectConstant, HotSpotProxified {
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42
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43 private static final long serialVersionUID = 3592151693708093496L;
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44
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45 static JavaConstant forObject(Object object) {
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46 return forObject(object, false);
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47 }
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48
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49 static JavaConstant forObject(Object object, boolean compressed) {
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50 if (object == null) {
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51 return compressed ? HotSpotCompressedNullConstant.COMPRESSED_NULL : JavaConstant.NULL_POINTER;
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52 } else {
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53 return new HotSpotObjectConstantImpl(object, compressed);
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54 }
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55 }
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56
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57 static JavaConstant forStableArray(Object object, int stableDimension, boolean isDefaultStable) {
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58 if (object == null) {
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59 return JavaConstant.NULL_POINTER;
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60 } else {
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61 assert object.getClass().isArray();
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62 return new HotSpotObjectConstantImpl(object, false, stableDimension, isDefaultStable);
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63 }
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64 }
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65
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66 public static JavaConstant forBoxedValue(Kind kind, Object value) {
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67 if (kind == Kind.Object) {
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68 return HotSpotObjectConstantImpl.forObject(value);
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69 } else {
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70 return JavaConstant.forBoxedPrimitive(value);
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71 }
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72 }
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73
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74 static Object asBoxedValue(Constant constant) {
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75 if (JavaConstant.isNull(constant)) {
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76 return null;
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77 } else if (constant instanceof HotSpotObjectConstantImpl) {
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78 return ((HotSpotObjectConstantImpl) constant).object;
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79 } else {
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80 return ((JavaConstant) constant).asBoxedPrimitive();
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81 }
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82 }
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83
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84 private final Object object;
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85 private final boolean compressed;
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86 private final byte stableDimension;
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87 private final boolean isDefaultStable;
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88
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89 private HotSpotObjectConstantImpl(Object object, boolean compressed, int stableDimension, boolean isDefaultStable) {
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90 super(LIRKind.reference(compressed ? Kind.Int : Kind.Object));
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91 this.object = object;
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92 this.compressed = compressed;
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93 this.stableDimension = (byte) stableDimension;
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94 this.isDefaultStable = isDefaultStable;
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95 assert object != null;
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96 assert stableDimension == 0 || (object != null && object.getClass().isArray());
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97 assert stableDimension >= 0 && stableDimension <= 255;
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98 assert !isDefaultStable || stableDimension > 0;
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99 }
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100
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101 private HotSpotObjectConstantImpl(Object object, boolean compressed) {
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102 this(object, compressed, 0, false);
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103 }
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104
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105 /**
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106 * Package-private accessor for the object represented by this constant.
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107 */
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108 Object object() {
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109 return object;
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110 }
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111
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112 /**
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113 * Determines if the object represented by this constant is {@link Object#equals(Object) equal}
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114 * to a given object.
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115 */
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116 public boolean isEqualTo(Object obj) {
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117 return object.equals(obj);
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118 }
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119
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120 /**
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121 * Gets the class of the object represented by this constant.
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122 */
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123 public Class<?> getObjectClass() {
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124 return object.getClass();
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125 }
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126
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127 public boolean isCompressed() {
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128 return compressed;
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129 }
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130
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131 public JavaConstant compress() {
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e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
132 assert !compressed;
18472
de179c27cad3 Add support for stable array constants
Andreas Woess <andreas.woess@jku.at>
parents: 18471
diff changeset
133 return new HotSpotObjectConstantImpl(object, true, stableDimension, isDefaultStable);
15909
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
134 }
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
135
18187
9619ba4daf4c Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 18186
diff changeset
136 public JavaConstant uncompress() {
15909
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
137 assert compressed;
18472
de179c27cad3 Add support for stable array constants
Andreas Woess <andreas.woess@jku.at>
parents: 18471
diff changeset
138 return new HotSpotObjectConstantImpl(object, false, stableDimension, isDefaultStable);
15909
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
139 }
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
140
18545
0ec7e37451c7 added HotSpotObjectConstant.getType() and restricted access to some static methods in HotSpotObjectConstantImpl
Doug Simon <doug.simon@oracle.com>
parents: 18533
diff changeset
141 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
142 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
143 }
0ec7e37451c7 added HotSpotObjectConstant.getType() and restricted access to some static methods in HotSpotObjectConstantImpl
Doug Simon <doug.simon@oracle.com>
parents: 18533
diff changeset
144
18280
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
145 public JavaConstant getClassLoader() {
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
146 if (object instanceof Class) {
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 * 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
149 * can't call that directly so just call getClassLoader.
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
150 */
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
151 return HotSpotObjectConstantImpl.forObject(((Class<?>) object).getClassLoader());
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
152 }
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
153 return null;
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
154 }
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
155
18282
ecf3de366ecc added HotSpotObjectConstant.getIdentityHashCode()
Doug Simon <doug.simon@oracle.com>
parents: 18280
diff changeset
156 public int getIdentityHashCode() {
ecf3de366ecc added HotSpotObjectConstant.getIdentityHashCode()
Doug Simon <doug.simon@oracle.com>
parents: 18280
diff changeset
157 return System.identityHashCode(object);
ecf3de366ecc added HotSpotObjectConstant.getIdentityHashCode()
Doug Simon <doug.simon@oracle.com>
parents: 18280
diff changeset
158 }
ecf3de366ecc added HotSpotObjectConstant.getIdentityHashCode()
Doug Simon <doug.simon@oracle.com>
parents: 18280
diff changeset
159
18283
b2eb7302706c added HotSpotObjectConstant.getNodeClass()
Doug Simon <doug.simon@oracle.com>
parents: 18282
diff changeset
160 public JavaConstant getNodeClass() {
b2eb7302706c added HotSpotObjectConstant.getNodeClass()
Doug Simon <doug.simon@oracle.com>
parents: 18282
diff changeset
161 if (object instanceof Class) {
b2eb7302706c added HotSpotObjectConstant.getNodeClass()
Doug Simon <doug.simon@oracle.com>
parents: 18282
diff changeset
162 return HotSpotObjectConstantImpl.forObject(NodeClass.get((Class<?>) object));
b2eb7302706c added HotSpotObjectConstant.getNodeClass()
Doug Simon <doug.simon@oracle.com>
parents: 18282
diff changeset
163 }
b2eb7302706c added HotSpotObjectConstant.getNodeClass()
Doug Simon <doug.simon@oracle.com>
parents: 18282
diff changeset
164 return null;
b2eb7302706c added HotSpotObjectConstant.getNodeClass()
Doug Simon <doug.simon@oracle.com>
parents: 18282
diff changeset
165 }
b2eb7302706c added HotSpotObjectConstant.getNodeClass()
Doug Simon <doug.simon@oracle.com>
parents: 18282
diff changeset
166
18284
29ba2a7cdfcb added HotSpotObjectConstant.getComponentType()
Doug Simon <doug.simon@oracle.com>
parents: 18283
diff changeset
167 public JavaConstant getComponentType() {
29ba2a7cdfcb added HotSpotObjectConstant.getComponentType()
Doug Simon <doug.simon@oracle.com>
parents: 18283
diff changeset
168 if (object instanceof Class) {
29ba2a7cdfcb added HotSpotObjectConstant.getComponentType()
Doug Simon <doug.simon@oracle.com>
parents: 18283
diff changeset
169 return HotSpotObjectConstantImpl.forObject(((Class<?>) object).getComponentType());
29ba2a7cdfcb added HotSpotObjectConstant.getComponentType()
Doug Simon <doug.simon@oracle.com>
parents: 18283
diff changeset
170 }
29ba2a7cdfcb added HotSpotObjectConstant.getComponentType()
Doug Simon <doug.simon@oracle.com>
parents: 18283
diff changeset
171 return null;
29ba2a7cdfcb added HotSpotObjectConstant.getComponentType()
Doug Simon <doug.simon@oracle.com>
parents: 18283
diff changeset
172 }
29ba2a7cdfcb added HotSpotObjectConstant.getComponentType()
Doug Simon <doug.simon@oracle.com>
parents: 18283
diff changeset
173
18285
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
174 public JavaConstant getSuperclass() {
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
175 if (object instanceof Class) {
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
176 return HotSpotObjectConstantImpl.forObject(((Class<?>) object).getSuperclass());
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
177 }
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
178 return null;
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
179 }
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
180
18286
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
181 public JavaConstant getCallSiteTarget(Assumptions assumptions) {
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
182 if (object instanceof CallSite) {
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
183 CallSite callSite = (CallSite) object;
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
184 MethodHandle target = callSite.getTarget();
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
185 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
186 if (assumptions == null) {
18286
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
187 return null;
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
188 }
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
189 assumptions.record(new Assumptions.CallSiteTargetValue(callSite, target));
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
190 }
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
191 return HotSpotObjectConstantImpl.forObject(target);
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
192 }
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
193 return null;
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
194 }
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
195
18287
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
196 @SuppressWarnings("unchecked")
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
197 public JavaConstant getCompositeValueClass() {
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
198 if (object instanceof Class) {
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
199 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
200 assert CompositeValue.class.isAssignableFrom(c) : c;
18287
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
201 return HotSpotObjectConstantImpl.forObject(CompositeValueClass.get(c));
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
202 }
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
203 return null;
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
204 }
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
205
18288
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
206 @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
207 public boolean isInternedString() {
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
208 if (object instanceof String) {
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
209 String s = (String) object;
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
210 return s.intern() == s;
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
211 }
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
212 return false;
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
213 }
feef9ed5fc56 added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents: 18287
diff changeset
214
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
215 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
216 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
217 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
218 }
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 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
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
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 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
223 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
224 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
225 }
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 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
227 }
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
228
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
229 @Override
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
230 public boolean isNull() {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
231 return false;
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
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
234 @Override
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
235 public boolean isDefaultForKind() {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
236 return false;
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
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
239 @Override
18186
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
240 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
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 int asInt() {
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
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
250 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
251 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
252 }
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
253
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
254 @Override
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
255 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
256 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
257 }
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
258
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
259 @Override
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
260 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
261 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
262 }
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
263
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
264 @Override
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
265 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
266 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
267 }
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
268
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
269 @Override
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270 public int hashCode() {
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271 return System.identityHashCode(object);
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272 }
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273
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274 @Override
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275 public boolean equals(Object o) {
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276 if (o == this) {
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277 return true;
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278 } else if (o instanceof HotSpotObjectConstantImpl) {
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279 HotSpotObjectConstantImpl other = (HotSpotObjectConstantImpl) o;
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280 return super.equals(o) && object == other.object && compressed == other.compressed && stableDimension == other.stableDimension && isDefaultStable == other.isDefaultStable;
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281 }
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282 return false;
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283 }
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284
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285 @Override
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286 public String toValueString() {
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287 if (object instanceof String) {
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288 return (String) object;
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289 } else {
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290 return Kind.Object.format(object);
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291 }
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292 }
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293
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294 @Override
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295 public String toString() {
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296 return (compressed ? "NarrowOop" : getKind().getJavaName()) + "[" + Kind.Object.format(object) + "]";
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297 }
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298
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299 /**
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300 * Number of stable dimensions if this constant is a stable array.
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301 */
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302 public int getStableDimension() {
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303 return stableDimension & 0xff;
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304 }
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305
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306 /**
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307 * Returns {@code true} if this is a stable array constant and its elements should be considered
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308 * as stable regardless of whether they are default values.
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309 */
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310 public boolean isDefaultStable() {
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311 return isDefaultStable;
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312 }
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313 }