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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotObjectConstantImpl.java @ 18287:b7461f7fa8a0

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added HotSpotObjectConstant.getCompositeValueClass()
author Doug Simon <doug.simon@oracle.com>
date Thu, 06 Nov 2014 13:55:47 +0100
parents ffcbc50063a3
children feef9ed5fc56
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
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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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 java.lang.invoke.*;
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26
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27 import com.oracle.graal.api.code.*;
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28 import com.oracle.graal.api.meta.*;
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29 import com.oracle.graal.graph.*;
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30 import com.oracle.graal.lir.*;
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31
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32 /**
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33 * Represents a constant non-{@code null} object reference, within the compiler and across the
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34 * compiler/runtime interface.
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35 */
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36 public final class HotSpotObjectConstantImpl extends JavaConstant implements HotSpotObjectConstant {
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37
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38 private static final long serialVersionUID = 3592151693708093496L;
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39
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40 public static JavaConstant forObject(Object object) {
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41 if (object == null) {
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42 return JavaConstant.NULL_OBJECT;
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43 } else {
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44 return new HotSpotObjectConstantImpl(object, false);
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45 }
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46 }
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47
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48 public static JavaConstant forBoxedValue(Kind kind, Object value) {
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49 if (kind == Kind.Object) {
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50 return HotSpotObjectConstantImpl.forObject(value);
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51 } else {
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52 return JavaConstant.forBoxedPrimitive(value);
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53 }
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54 }
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55
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56 public static Object asObject(Constant constant) {
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57 if (JavaConstant.isNull(constant)) {
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58 return null;
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59 } else {
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60 return ((HotSpotObjectConstantImpl) constant).object;
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61 }
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62 }
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63
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64 public static Object asBoxedValue(Constant constant) {
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65 if (JavaConstant.isNull(constant)) {
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66 return null;
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67 } else if (constant instanceof HotSpotObjectConstantImpl) {
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68 return ((HotSpotObjectConstantImpl) constant).object;
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69 } else {
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70 return ((JavaConstant) constant).asBoxedPrimitive();
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71 }
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72 }
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73
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74 public static boolean isCompressed(Constant constant) {
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75 if (JavaConstant.isNull(constant)) {
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76 return HotSpotCompressedNullConstant.NULL_OBJECT.equals(constant);
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77 } else {
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78 return ((HotSpotObjectConstantImpl) constant).compressed;
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79 }
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80 }
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81
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82 private final Object object;
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83 private final boolean compressed;
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84
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85 private HotSpotObjectConstantImpl(Object object, boolean compressed) {
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86 super(LIRKind.reference(compressed ? Kind.Int : Kind.Object));
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87 this.object = object;
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88 this.compressed = compressed;
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89 assert object != null;
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90 }
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91
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92 public JavaConstant compress() {
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93 assert !compressed;
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94 return new HotSpotObjectConstantImpl(object, true);
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95 }
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96
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97 public JavaConstant uncompress() {
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98 assert compressed;
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99 return new HotSpotObjectConstantImpl(object, false);
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100 }
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101
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102 public JavaConstant getClassLoader() {
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103 if (object instanceof Class) {
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104 /*
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105 * This is an intrinsic for getClassLoader0, which occurs after any security checks. We
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106 * can't call that directly so just call getClassLoader.
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107 */
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108 return HotSpotObjectConstantImpl.forObject(((Class<?>) object).getClassLoader());
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109 }
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110 return null;
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111 }
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112
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113 public int getIdentityHashCode() {
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114 return System.identityHashCode(object);
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115 }
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116
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117 public JavaConstant getNodeClass() {
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118 if (object instanceof Class) {
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119 return HotSpotObjectConstantImpl.forObject(NodeClass.get((Class<?>) object));
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120 }
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121 return null;
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122 }
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123
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124 public JavaConstant getComponentType() {
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125 if (object instanceof Class) {
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126 return HotSpotObjectConstantImpl.forObject(((Class<?>) object).getComponentType());
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127 }
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128 return null;
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129 }
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130
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131 public JavaConstant getSuperclass() {
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132 if (object instanceof Class) {
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133 return HotSpotObjectConstantImpl.forObject(((Class<?>) object).getSuperclass());
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134 }
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135 return null;
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
136 }
420161aee840 added HotSpotObjectConstant.getSuperclass()
Doug Simon <doug.simon@oracle.com>
parents: 18284
diff changeset
137
18286
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
138 public JavaConstant getCallSiteTarget(Assumptions assumptions) {
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
139 if (object instanceof CallSite) {
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
140 CallSite callSite = (CallSite) object;
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
141 MethodHandle target = callSite.getTarget();
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
142 if (!(callSite instanceof ConstantCallSite)) {
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
143 if (assumptions == null || !assumptions.useOptimisticAssumptions()) {
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
144 return null;
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
145 }
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
146 assumptions.record(new Assumptions.CallSiteTargetValue(callSite, target));
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
147 }
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
148 return HotSpotObjectConstantImpl.forObject(target);
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
149 }
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
150 return null;
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
151 }
ffcbc50063a3 added HotSpotObjectConstant.getCallSiteTarget()
Doug Simon <doug.simon@oracle.com>
parents: 18285
diff changeset
152
18287
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
153 @SuppressWarnings("unchecked")
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
154 public JavaConstant getCompositeValueClass() {
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
155 if (object instanceof Class) {
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
156 Class<? extends CompositeValue> c = (Class<? extends CompositeValue>) object;
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
157 assert CompositeValueClass.class.isAssignableFrom(c);
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
158 return HotSpotObjectConstantImpl.forObject(CompositeValueClass.get(c));
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
159 }
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
160 return null;
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
161 }
b7461f7fa8a0 added HotSpotObjectConstant.getCompositeValueClass()
Doug Simon <doug.simon@oracle.com>
parents: 18286
diff changeset
162
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
163 @Override
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
164 public boolean isNull() {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
165 return false;
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
166 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
167
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
168 @Override
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
169 public boolean isDefaultForKind() {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
170 return false;
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
171 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
172
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
173 @Override
18186
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
174 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
175 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
176 }
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
177
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
178 @Override
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
179 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
180 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
181 }
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
182
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
183 @Override
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
184 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
185 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
186 }
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
187
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
188 @Override
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
189 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
190 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
191 }
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
192
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
193 @Override
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
194 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
195 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
196 }
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
197
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
198 @Override
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
199 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
200 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
201 }
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
202
ef357effbda7 Backout of changeset 9a804ec7f707 (converted Constant and Value to be interfaces).
Roland Schatz <roland.schatz@oracle.com>
parents: 18176
diff changeset
203 @Override
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
204 public int hashCode() {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
205 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
206 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
207
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
208 @Override
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
209 public boolean equals(Object o) {
18262
f7d45e2426d4 converted HotSpotObjectConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18188
diff changeset
210 return o == this || (o instanceof HotSpotObjectConstantImpl && super.equals(o) && object == ((HotSpotObjectConstantImpl) o).object);
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
211 }
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 @Override
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
214 public String toValueString() {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
215 if (object instanceof String) {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
216 return (String) object;
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
217 } else {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
218 return Kind.Object.format(object);
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
219 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
220 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
221
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
222 @Override
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
223 public String toString() {
15909
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
224 return (compressed ? "NarrowOop" : getKind().getJavaName()) + "[" + Kind.Object.format(object) + "]";
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
225 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
226 }