annotate graal/com.oracle.truffle.object/src/com/oracle/truffle/object/ShapeImpl.java @ 18627:196cf131ed32

OM: extract queryTransition method
author Andreas Woess <andreas.woess@jku.at>
date Thu, 04 Dec 2014 19:36:50 +0100
parents ce46f909c176
children 6db7923af642
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1 /*
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2 * Copyright (c) 2012, 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.truffle.object;
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24
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25 import java.util.*;
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26
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27 import com.oracle.truffle.api.*;
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28 import com.oracle.truffle.api.CompilerDirectives.CompilationFinal;
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29 import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
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30 import com.oracle.truffle.api.nodes.*;
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31 import com.oracle.truffle.api.object.*;
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32 import com.oracle.truffle.api.utilities.*;
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33 import com.oracle.truffle.object.LocationImpl.InternalLongLocation;
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34 import com.oracle.truffle.object.Locations.ConstantLocation;
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35 import com.oracle.truffle.object.Locations.DeclaredDualLocation;
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36 import com.oracle.truffle.object.Locations.DeclaredLocation;
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37 import com.oracle.truffle.object.Locations.DualLocation;
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38 import com.oracle.truffle.object.Locations.ValueLocation;
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39 import com.oracle.truffle.object.Transition.AddPropertyTransition;
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40 import com.oracle.truffle.object.Transition.ObjectTypeTransition;
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41 import com.oracle.truffle.object.Transition.PropertyTransition;
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42 import com.oracle.truffle.object.Transition.RemovePropertyTransition;
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43 import com.oracle.truffle.object.Transition.ReservePrimitiveArrayTransition;
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44
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45 /**
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46 * Shape objects create a mapping of Property objects to indexes. The mapping of those indexes to an
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47 * actual store is not part of Shape's role, but JSObject's. Shapes are immutable; adding or
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48 * deleting a property yields a new Shape which links to the old one. This allows inline caching to
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49 * simply check the identity of an object's Shape to determine if the cache is valid. There is one
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50 * exception to this immutability, the transition map, but that is used simply to assure that an
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51 * identical series of property additions and deletions will yield the same Shape object.
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52 *
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53 * @see DynamicObject
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54 * @see Property
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55 * @see Locations
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56 */
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57 public abstract class ShapeImpl extends Shape {
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58 private final int id;
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59
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60 protected final LayoutImpl layout;
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61 protected final ObjectType objectType;
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62 protected final ShapeImpl parent;
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63 protected final PropertyMap propertyMap;
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64
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65 private final Object extraData;
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66 private final Object sharedData;
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67 private final ShapeImpl root;
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68
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69 protected final int objectArraySize;
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70 protected final int objectArrayCapacity;
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71 protected final int objectFieldSize;
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72 protected final int primitiveFieldSize;
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73 protected final int primitiveArraySize;
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74 protected final int primitiveArrayCapacity;
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75 protected final boolean hasPrimitiveArray;
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76
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77 protected final int depth;
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78 protected final int propertyCount;
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79 protected Property[] propertyArray;
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80
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81 protected final Assumption validAssumption;
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82 @CompilationFinal protected volatile Assumption leafAssumption;
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83
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84 /**
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85 * Shape transition map; lazily initialized.
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86 *
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87 * @see #getTransitionMapForRead()
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88 * @see #getTransitionMapForWrite()
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89 */
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90 private HashMap<Transition, ShapeImpl> transitionMap;
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91
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92 private final Transition transitionFromParent;
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93
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94 /**
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95 * Private constructor.
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96 *
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97 * @param parent predecessor shape
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98 * @param transitionFromParent direct transition from parent shape
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99 * @see #ShapeImpl(Layout, ShapeImpl, ObjectType, Object, PropertyMap, Transition,
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100 * BaseAllocator, int)
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101 */
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102 private ShapeImpl(Layout layout, ShapeImpl parent, ObjectType objectType, Object sharedData, PropertyMap propertyMap, Transition transitionFromParent, int objectArraySize, int objectFieldSize,
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103 int primitiveFieldSize, int primitiveArraySize, boolean hasPrimitiveArray, int id) {
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104 this.layout = (LayoutImpl) layout;
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105 this.objectType = Objects.requireNonNull(objectType);
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106 this.propertyMap = Objects.requireNonNull(propertyMap);
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107 this.root = parent != null ? parent.getRoot() : this;
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108 this.parent = parent;
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109 this.transitionFromParent = transitionFromParent;
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110 this.objectArraySize = objectArraySize;
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111 this.objectArrayCapacity = capacityFromSize(objectArraySize);
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112 this.objectFieldSize = objectFieldSize;
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113 this.primitiveFieldSize = primitiveFieldSize;
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114 this.primitiveArraySize = primitiveArraySize;
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115 this.primitiveArrayCapacity = capacityFromSize(primitiveArraySize);
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116 this.hasPrimitiveArray = hasPrimitiveArray;
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117
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118 if (parent != null) {
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119 this.propertyCount = makePropertyCount(parent, propertyMap);
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120 this.propertyArray = makePropertiesList(parent, propertyMap);
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121 this.depth = parent.depth + 1;
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122 } else {
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123 this.propertyCount = 0;
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124 this.propertyArray = null;
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125 this.depth = 0;
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126 }
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127
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128 this.validAssumption = createValidAssumption();
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129
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130 this.id = id;
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131 shapeCount.inc();
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132
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133 this.sharedData = sharedData;
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134 this.extraData = objectType.createShapeData(this);
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135
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136 debugRegisterShape(this);
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137 }
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138
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139 protected ShapeImpl(Layout layout, ShapeImpl parent, ObjectType operations, Object sharedData, PropertyMap propertyMap, Transition transition, Allocator allocator, int id) {
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140 this(layout, parent, operations, sharedData, propertyMap, transition, ((BaseAllocator) allocator).objectArraySize, ((BaseAllocator) allocator).objectFieldSize,
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141 ((BaseAllocator) allocator).primitiveFieldSize, ((BaseAllocator) allocator).primitiveArraySize, ((BaseAllocator) allocator).hasPrimitiveArray, id);
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142 }
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143
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144 @SuppressWarnings("hiding")
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145 protected abstract ShapeImpl createShape(Layout layout, Object sharedData, ShapeImpl parent, ObjectType operations, PropertyMap propertyMap, Transition transition, Allocator allocator, int id);
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146
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147 protected ShapeImpl(Layout layout, ObjectType operations, Object sharedData, int id) {
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148 this(layout, null, operations, sharedData, PropertyMap.empty(), null, layout.createAllocator(), id);
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149 }
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150
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151 private static int makePropertyCount(ShapeImpl parent, PropertyMap propertyMap) {
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152 return parent.propertyCount + ((propertyMap.size() > parent.propertyMap.size() && !propertyMap.getLastProperty().isHidden() && !propertyMap.getLastProperty().isShadow()) ? 1 : 0);
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153 }
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154
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155 private static Property[] makePropertiesList(ShapeImpl parent, PropertyMap propertyMap) {
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156 Property[] properties = parent.propertyArray;
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157 if (properties != null && propertyMap.size() != parent.propertyMap.size()) {
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158 Property lastProperty = propertyMap.getLastProperty();
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159 if (lastProperty != null && !lastProperty.isHidden()) {
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160 propertyListAllocCount.inc();
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161 if (!lastProperty.isShadow()) {
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162 properties = Arrays.copyOf(properties, properties.length + 1);
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163 properties[properties.length - 1] = lastProperty;
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164 } else {
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165 properties = Arrays.copyOf(properties, properties.length);
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166 for (int i = 0; i < properties.length; i++) {
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167 if (properties[i].isSame(lastProperty)) {
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168 properties[i] = lastProperty;
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169 }
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170 }
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171 }
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172 } else {
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173 propertyListShareCount.inc();
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174 }
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175 }
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176 return properties;
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177 }
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178
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179 @Override
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180 public final Property getLastProperty() {
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181 return propertyMap.getLastProperty();
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182 }
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183
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184 @Override
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185 public final int getId() {
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186 return this.id;
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187 }
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188
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189 /**
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190 * Calculate array size for the given number of elements.
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191 */
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192 private static int capacityFromSize(int size) {
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193 if (size == 0) {
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194 return 0;
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195 } else if (size < 4) {
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196 return 4;
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197 } else if (size < 32) {
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198 return ((size + 7) / 8) * 8;
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199 } else {
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200 return ((size + 15) / 16) * 16;
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201 }
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202 }
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203
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204 @Override
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205 public final int getObjectArraySize() {
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206 return objectArraySize;
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207 }
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208
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209 @Override
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210 public final int getObjectFieldSize() {
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211 return objectFieldSize;
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212 }
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213
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214 @Override
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215 public final int getPrimitiveFieldSize() {
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216 return primitiveFieldSize;
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217 }
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218
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219 @Override
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220 public final int getObjectArrayCapacity() {
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221 return objectArrayCapacity;
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222 }
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223
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224 @Override
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225 public final int getPrimitiveArrayCapacity() {
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226 return primitiveArrayCapacity;
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227 }
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228
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229 @Override
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230 public final int getPrimitiveArraySize() {
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231 return primitiveArraySize;
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232 }
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233
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234 @Override
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235 public final boolean hasPrimitiveArray() {
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236 return hasPrimitiveArray;
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237 }
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238
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239 /**
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240 * Get the (parent) shape that holds the given property.
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241 */
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242 public final ShapeImpl getShapeFromProperty(Object propertyName) {
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243 ShapeImpl current = this;
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244 while (current != getRoot()) {
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245 if (current.getTransitionFromParent() instanceof AddPropertyTransition && ((AddPropertyTransition) current.getTransitionFromParent()).getProperty().getKey().equals(propertyName)) {
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246 return current;
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247 }
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248 current = current.getParent();
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249 }
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250
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251 return null;
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252 }
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253
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254 /**
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255 * Get the (parent) shape that holds the given property.
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256 */
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257 public final ShapeImpl getShapeFromProperty(Property prop) {
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258 ShapeImpl current = this;
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259 while (current != getRoot()) {
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260 if (current.getTransitionFromParent() instanceof AddPropertyTransition && ((AddPropertyTransition) current.getTransitionFromParent()).getProperty().equals(prop)) {
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261 return current;
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262 }
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263 current = current.parent;
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264 }
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265
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266 return null;
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267 }
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268
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269 /**
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270 * Get a property entry by string name.
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271 *
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272 * @param key the name to look up
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273 * @return a Property object, or null if not found
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274 */
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275 @Override
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276 @TruffleBoundary
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277 public final Property getProperty(Object key) {
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278 // return this.propertyMap.get(propertyName);
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279 PropertyMap current = this.propertyMap;
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280 while (current.getLastProperty() != null) {
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281 if (current.getLastProperty().getKey().equals(key)) {
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282 return current.getLastProperty();
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283 }
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284 current = current.getParentMap();
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285 }
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286
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287 return null;
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288 }
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289
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290 protected final void addDirectTransition(Transition transition, ShapeImpl next) {
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291 assert next.getParent() == this && transition.isDirect();
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292 addTransitionInternal(transition, next);
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293 }
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294
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295 public final void addIndirectTransition(Transition transition, ShapeImpl next) {
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296 assert next.getParent() != this && !transition.isDirect();
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297 addTransitionInternal(transition, next);
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298 }
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299
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300 private void addTransitionInternal(Transition transition, ShapeImpl next) {
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301 getTransitionMapForWrite().put(transition, next);
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302 }
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303
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304 public final Map<Transition, ShapeImpl> getTransitionMapForRead() {
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305 return transitionMap != null ? transitionMap : Collections.<Transition, ShapeImpl> emptyMap();
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306 }
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307
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308 private Map<Transition, ShapeImpl> getTransitionMapForWrite() {
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309 if (transitionMap != null) {
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310 return transitionMap;
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311 } else {
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312 invalidateLeafAssumption();
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313 return transitionMap = new HashMap<>();
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314 }
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315 }
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316
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317 public final PropertyMap getPropertyMap() {
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318 return propertyMap;
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319 }
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320
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321 private ShapeImpl queryTransition(Transition transition) {
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322 ShapeImpl cachedShape = this.getTransitionMapForRead().get(transition);
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323 if (cachedShape != null) { // Shape already exists?
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324 shapeCacheHitCount.inc();
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325 return (ShapeImpl) layout.getStrategy().returnCached(cachedShape);
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326 }
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327 shapeCacheMissCount.inc();
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328
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329 return null;
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330 }
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331
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332 /**
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333 * Add a new property in the map, yielding a new or cached Shape object.
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334 *
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335 * @param property the property to add
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336 * @return the new Shape
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337 */
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338 @TruffleBoundary
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339 @Override
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340 public ShapeImpl addProperty(Property property) {
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341 assert isValid();
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342 ShapeImpl nextShape = addPropertyInternal(property);
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343 objectType.onPropertyAdded(property, this, nextShape);
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344 return nextShape;
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345 }
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346
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347 /**
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348 * Add a new property in the map, yielding a new or cached Shape object.
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349 *
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350 * In contrast to {@link ShapeImpl#addProperty(Property)}, this method does not care about
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351 * obsolete shapes.
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352 *
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353 * @see #addProperty(Property)
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354 */
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355 private ShapeImpl addPropertyInternal(Property prop) {
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356 CompilerAsserts.neverPartOfCompilation();
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357 assert prop.isShadow() || !(this.hasProperty(prop.getKey())) : "duplicate property";
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358 assert !getPropertyListInternal(false).contains(prop);
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359 // invalidatePropertyAssumption(prop.getName());
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360
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361 AddPropertyTransition addTransition = new AddPropertyTransition(prop);
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362 ShapeImpl cachedShape = queryTransition(addTransition);
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363 if (cachedShape != null) {
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364 return cachedShape;
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365 }
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366
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367 ShapeImpl oldShape = (ShapeImpl) layout.getStrategy().ensureSpace(this, prop.getLocation());
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368
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369 ShapeImpl newShape = makeShapeWithAddedProperty(oldShape, addTransition);
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370 oldShape.addDirectTransition(addTransition, newShape);
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371 return newShape;
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372 }
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373
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374 protected ShapeImpl cloneRoot(ShapeImpl from, Object newSharedData) {
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375 return createShape(from.layout, newSharedData, null, from.objectType, from.propertyMap, null, from.allocator(), from.id);
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376 }
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377
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378 /**
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379 * Create a separate clone of a shape.
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380 *
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381 * @param newParent the cloned parent shape
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382 */
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383 protected final ShapeImpl cloneOnto(ShapeImpl newParent) {
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384 ShapeImpl from = this;
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385 ShapeImpl newShape = createShape(newParent.layout, newParent.sharedData, newParent, from.objectType, from.propertyMap, from.transitionFromParent, from.allocator(), newParent.id);
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386
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387 shapeCloneCount.inc();
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388
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389 // (aw) need to have this transition for obsolescence
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390 newParent.addDirectTransition(from.transitionFromParent, newShape);
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391 return newShape;
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392 }
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393
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394 public final Transition getTransitionFromParent() {
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395 return transitionFromParent;
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396 }
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397
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398 /**
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399 * Create a new shape that adds a property to the parent shape.
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400 */
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401 private static ShapeImpl makeShapeWithAddedProperty(ShapeImpl parent, AddPropertyTransition addTransition) {
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402 Property addend = addTransition.getProperty();
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403 BaseAllocator allocator = parent.allocator().addLocation(addend.getLocation());
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404
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405 PropertyMap newPropertyMap = parent.propertyMap.putCopy(addend);
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406
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407 ShapeImpl newShape = parent.createShape(parent.layout, parent.sharedData, parent, parent.objectType, newPropertyMap, addTransition, allocator, parent.id);
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diff changeset
408 assert ((LocationImpl) addend.getLocation()).primitiveArrayCount() == 0 || newShape.hasPrimitiveArray;
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diff changeset
409 assert newShape.depth == allocator.depth;
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410 return newShape;
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parents:
diff changeset
411 }
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parents:
diff changeset
412
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parents:
diff changeset
413 /**
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diff changeset
414 * Create a new shape that reserves the primitive extension array field.
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415 */
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parents: 18622
diff changeset
416 private static ShapeImpl makeShapeWithPrimitiveExtensionArray(ShapeImpl parent, Transition transition) {
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417 assert parent.getLayout().hasPrimitiveExtensionArray();
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418 assert !parent.hasPrimitiveArray();
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419 BaseAllocator allocator = parent.allocator().addLocation(parent.getLayout().getPrimitiveArrayLocation());
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420 ShapeImpl newShape = parent.createShape(parent.layout, parent.sharedData, parent, parent.objectType, parent.propertyMap, transition, allocator, parent.id);
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421 assert newShape.hasPrimitiveArray();
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422 assert newShape.depth == allocator.depth;
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423 return newShape;
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424 }
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425
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426 private ShapeImpl addPrimitiveExtensionArray() {
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427 assert layout.hasPrimitiveExtensionArray() && !hasPrimitiveArray();
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428 Transition transition = new ReservePrimitiveArrayTransition();
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429 ShapeImpl cachedShape = queryTransition(transition);
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430 if (cachedShape != null) {
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431 return cachedShape;
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432 }
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433
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434 ShapeImpl oldShape = (ShapeImpl) layout.getStrategy().ensureSpace(this, layout.getPrimitiveArrayLocation());
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435 ShapeImpl newShape = makeShapeWithPrimitiveExtensionArray(oldShape, transition);
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436 oldShape.addDirectTransition(transition, newShape);
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437 return newShape;
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diff changeset
438 }
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439
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diff changeset
440 /**
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441 * Are these two shapes related, i.e. do they have the same root?
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442 *
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443 * @param other Shape to compare to
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444 * @return true if one shape is an upcast of the other, or the Shapes are equal
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445 */
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diff changeset
446 @Override
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447 public boolean isRelated(Shape other) {
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448 if (this == other) {
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449 return true;
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diff changeset
450 }
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diff changeset
451 if (this.getRoot() == getRoot()) {
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diff changeset
452 return true;
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diff changeset
453 }
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454 return false;
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diff changeset
455 }
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diff changeset
456
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
457 /**
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
458 * Get a list of all properties that this Shape stores.
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
459 *
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diff changeset
460 * @return list of properties
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diff changeset
461 */
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diff changeset
462 @TruffleBoundary
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diff changeset
463 @Override
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diff changeset
464 public final List<Property> getPropertyList(Pred<Property> filter) {
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diff changeset
465 LinkedList<Property> props = new LinkedList<>();
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diff changeset
466 next: for (Property currentProperty : this.propertyMap.reverseOrderValues()) {
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diff changeset
467 if (!currentProperty.isHidden() && filter.test(currentProperty)) {
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diff changeset
468 if (currentProperty.getLocation() instanceof DeclaredLocation) {
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diff changeset
469 for (Iterator<Property> iter = props.iterator(); iter.hasNext();) {
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diff changeset
470 Property other = iter.next();
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diff changeset
471 if (other.isShadow() && other.getKey().equals(currentProperty.getKey())) {
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diff changeset
472 iter.remove();
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diff changeset
473 props.addFirst(other);
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diff changeset
474 continue next;
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parents:
diff changeset
475 }
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diff changeset
476 }
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diff changeset
477 }
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diff changeset
478 props.addFirst(currentProperty);
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diff changeset
479 }
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diff changeset
480 }
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diff changeset
481 return props;
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diff changeset
482 }
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parents:
diff changeset
483
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
484 @Override
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diff changeset
485 public final List<Property> getPropertyList() {
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diff changeset
486 return getPropertyList(ALL);
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diff changeset
487 }
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diff changeset
488
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
489 /**
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
490 * Returns all (also hidden) Property objects in this shape.
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
491 *
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
492 * @param ascending desired order
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parents:
diff changeset
493 */
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
494 @TruffleBoundary
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parents:
diff changeset
495 @Override
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parents:
diff changeset
496 public final List<Property> getPropertyListInternal(boolean ascending) {
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parents:
diff changeset
497 LinkedList<Property> props = new LinkedList<>();
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parents: 18621
diff changeset
498 for (Property current : this.propertyMap.reverseOrderValues()) {
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diff changeset
499 if (ascending) {
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diff changeset
500 props.addFirst(current);
18408
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parents:
diff changeset
501 } else {
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diff changeset
502 props.add(current);
18408
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
503 }
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
504 }
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
505 return props;
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
506 }
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
507
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
508 /**
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
509 * Get a list of all (visible) property names in insertion order.
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
510 *
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
511 * @return list of property names
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
512 */
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
513 @TruffleBoundary
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
514 @Override
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
515 public final List<Object> getKeyList(Pred<Property> filter) {
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parents:
diff changeset
516 LinkedList<Object> keys = new LinkedList<>();
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parents: 18621
diff changeset
517 for (Property currentProperty : this.propertyMap.reverseOrderValues()) {
18408
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parents:
diff changeset
518 if (!currentProperty.isHidden() && filter.test(currentProperty) && !currentProperty.isShadow()) {
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parents:
diff changeset
519 keys.addFirst(currentProperty.getKey());
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
520 }
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
521 }
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
522 return keys;
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
523 }
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
524
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
525 @Override
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
526 public final List<Object> getKeyList() {
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
527 return getKeyList(ALL);
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
528 }
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
529
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
530 @Override
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
531 public Iterable<Object> getKeys() {
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
532 return getKeyList();
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
533 }
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
534
18624
a9a14b31f3b3 OM: lazy initialization of leaf assumption
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parents: 18623
diff changeset
535 @Override
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Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
536 public final boolean isValid() {
a9a14b31f3b3 OM: lazy initialization of leaf assumption
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parents: 18623
diff changeset
537 return getValidAssumption().isValid();
18408
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
538 }
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
539
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
540 @Override
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
541 public final Assumption getValidAssumption() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
542 return validAssumption;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
543 }
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
544
18624
a9a14b31f3b3 OM: lazy initialization of leaf assumption
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parents: 18623
diff changeset
545 private static Assumption createValidAssumption() {
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parents: 18623
diff changeset
546 return Truffle.getRuntime().createAssumption("valid shape");
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Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
547 }
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
548
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
549 public final void invalidateValidAssumption() {
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
550 getValidAssumption().invalidate();
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
551 }
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
552
18408
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
553 @Override
18624
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
554 public final boolean isLeaf() {
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
555 return leafAssumption == null || leafAssumption.isValid();
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
556 }
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
557
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
558 @Override
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
559 public final Assumption getLeafAssumption() {
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
560 if (leafAssumption == null) {
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
561 CompilerDirectives.transferToInterpreterAndInvalidate();
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
562 synchronized (getMutex()) {
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
563 if (leafAssumption == null) {
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
564 leafAssumption = isLeafHelper() ? createLeafAssumption() : NeverValidAssumption.INSTANCE;
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
565 }
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
566 }
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
567 }
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
568 return leafAssumption;
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
569 }
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
570
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
571 private boolean isLeafHelper() {
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
572 return getTransitionMapForRead().isEmpty();
18408
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
573 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
574
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
575 private static Assumption createLeafAssumption() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
576 return Truffle.getRuntime().createAssumption("leaf shape");
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
577 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
578
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
579 private void invalidateLeafAssumption() {
18624
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
580 Assumption assumption = leafAssumption;
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
581 if (assumption != null) {
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
582 assumption.invalidate();
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
583 } else {
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
584 leafAssumption = NeverValidAssumption.INSTANCE;
a9a14b31f3b3 OM: lazy initialization of leaf assumption
Andreas Woess <andreas.woess@jku.at>
parents: 18623
diff changeset
585 }
18408
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
586 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
587
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
588 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
589 public String toString() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
590 return toStringLimit(Integer.MAX_VALUE);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
591 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
592
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
593 @TruffleBoundary
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
594 public String toStringLimit(int limit) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
595 StringBuilder sb = new StringBuilder();
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
596 sb.append('@');
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
597 sb.append(Integer.toHexString(hashCode()));
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
598 if (!isValid()) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
599 sb.append('!');
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
600 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
601
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
602 sb.append("{");
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
603 for (Iterator<Property> iterator = propertyMap.reverseOrderValues().iterator(); iterator.hasNext();) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
604 Property p = iterator.next();
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
605 sb.append(p);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
606 if (iterator.hasNext()) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
607 sb.append(", ");
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
608 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
609 if (sb.length() >= limit) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
610 sb.append("...");
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
611 break;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
612 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
613 sb.append("\n");
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
614 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
615 sb.append("}");
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
616
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
617 return sb.toString();
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
618 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
619
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
620 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
621 public final ShapeImpl getParent() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
622 return parent;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
623 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
624
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
625 public final int getDepth() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
626 return depth;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
627 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
628
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
629 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
630 public final boolean hasProperty(Object name) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
631 return getProperty(name) != null;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
632 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
633
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
634 @TruffleBoundary
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
635 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
636 public final ShapeImpl removeProperty(Property prop) {
18621
b3b241bbbbdb OM: rename transitions
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
637 RemovePropertyTransition transition = new RemovePropertyTransition(prop);
18627
196cf131ed32 OM: extract queryTransition method
Andreas Woess <andreas.woess@jku.at>
parents: 18626
diff changeset
638 ShapeImpl cachedShape = queryTransition(transition);
18408
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
639 if (cachedShape != null) {
18627
196cf131ed32 OM: extract queryTransition method
Andreas Woess <andreas.woess@jku.at>
parents: 18626
diff changeset
640 return cachedShape;
18408
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
641 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
642
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
643 ShapeImpl shape = getShapeFromProperty(prop);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
644 if (shape != null) {
18623
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
645 List<Transition> transitionList = new ArrayList<>();
18408
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
646 ShapeImpl current = this;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
647 while (current != shape) {
18623
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
648 transitionList.add(current.getTransitionFromParent());
18408
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
649 current = current.parent;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
650 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
651 ShapeImpl newShape = shape.parent;
18623
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
652 for (ListIterator<Transition> iterator = transitionList.listIterator(transitionList.size()); iterator.hasPrevious();) {
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
653 Transition previous = iterator.previous();
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
654 newShape = newShape.applyTransition(previous, true);
18408
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
655 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
656
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
657 getTransitionMapForWrite().put(transition, newShape);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
658 return newShape;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
659 } else {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
660 return null;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
661 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
662 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
663
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
664 @TruffleBoundary
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
665 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
666 public final ShapeImpl append(Property oldProperty) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
667 return addProperty(oldProperty.relocate(allocator().moveLocation(oldProperty.getLocation())));
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
668 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
669
18623
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
670 public final ShapeImpl applyTransition(Transition transition, boolean append) {
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
671 if (transition instanceof AddPropertyTransition) {
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
672 return append ? append(((AddPropertyTransition) transition).getProperty()) : addProperty(((AddPropertyTransition) transition).getProperty());
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
673 } else if (transition instanceof ObjectTypeTransition) {
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
674 return changeType(((ObjectTypeTransition) transition).getObjectType());
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
675 } else if (transition instanceof ReservePrimitiveArrayTransition) {
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
676 return reservePrimitiveExtensionArray();
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
677 } else {
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
678 throw new UnsupportedOperationException();
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
679 }
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
680 }
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
681
18408
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
682 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
683 public final BaseAllocator allocator() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
684 return layout.getStrategy().createAllocator(this);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
685 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
686
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
687 /**
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
688 * Duplicate shape exchanging existing property with new property.
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
689 */
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
690 @Override
18626
ce46f909c176 OM: record replaceProperty transitions
Andreas Woess <andreas.woess@jku.at>
parents: 18625
diff changeset
691 public final ShapeImpl replaceProperty(Property oldProperty, Property newProperty) {
ce46f909c176 OM: record replaceProperty transitions
Andreas Woess <andreas.woess@jku.at>
parents: 18625
diff changeset
692 Transition replacePropertyTransition = new Transition.ReplacePropertyTransition(oldProperty, newProperty);
18627
196cf131ed32 OM: extract queryTransition method
Andreas Woess <andreas.woess@jku.at>
parents: 18626
diff changeset
693 ShapeImpl cachedShape = queryTransition(replacePropertyTransition);
18626
ce46f909c176 OM: record replaceProperty transitions
Andreas Woess <andreas.woess@jku.at>
parents: 18625
diff changeset
694 if (cachedShape != null) {
18627
196cf131ed32 OM: extract queryTransition method
Andreas Woess <andreas.woess@jku.at>
parents: 18626
diff changeset
695 return cachedShape;
18626
ce46f909c176 OM: record replaceProperty transitions
Andreas Woess <andreas.woess@jku.at>
parents: 18625
diff changeset
696 }
ce46f909c176 OM: record replaceProperty transitions
Andreas Woess <andreas.woess@jku.at>
parents: 18625
diff changeset
697
18408
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
698 ShapeImpl top = this;
18623
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
699 List<Transition> transitionList = new ArrayList<>();
18408
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
700 boolean found = false;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
701 while (top != getRoot() && !found) {
18623
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
702 Transition transition = top.getTransitionFromParent();
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
703 transitionList.add(transition);
18626
ce46f909c176 OM: record replaceProperty transitions
Andreas Woess <andreas.woess@jku.at>
parents: 18625
diff changeset
704 if (transition instanceof AddPropertyTransition && ((AddPropertyTransition) transition).getProperty().getKey().equals(newProperty.getKey())) {
18408
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
705 found = true;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
706 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
707 top = top.parent;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
708 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
709 ShapeImpl newShape = top;
18623
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
710 for (ListIterator<Transition> iterator = transitionList.listIterator(transitionList.size()); iterator.hasPrevious();) {
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
711 Transition transition = iterator.previous();
18626
ce46f909c176 OM: record replaceProperty transitions
Andreas Woess <andreas.woess@jku.at>
parents: 18625
diff changeset
712 if (transition instanceof AddPropertyTransition && ((AddPropertyTransition) transition).getProperty().getKey().equals(newProperty.getKey())) {
ce46f909c176 OM: record replaceProperty transitions
Andreas Woess <andreas.woess@jku.at>
parents: 18625
diff changeset
713 newShape = newShape.addProperty(newProperty);
18408
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
714 } else {
18623
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
715 newShape = newShape.applyTransition(transition, false);
18408
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
716 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
717 }
18626
ce46f909c176 OM: record replaceProperty transitions
Andreas Woess <andreas.woess@jku.at>
parents: 18625
diff changeset
718 addIndirectTransition(replacePropertyTransition, newShape);
18408
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
719 return newShape;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
720 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
721
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
722 /**
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
723 * Find lowest common ancestor of two related shapes.
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
724 */
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
725 public static ShapeImpl findCommonAncestor(ShapeImpl left, ShapeImpl right) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
726 if (!left.isRelated(right)) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
727 throw new IllegalArgumentException("shapes must have the same root");
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
728 } else if (left == right) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
729 return left;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
730 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
731 int leftLength = left.depth;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
732 int rightLength = right.depth;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
733 ShapeImpl leftPtr = left;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
734 ShapeImpl rightPtr = right;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
735 while (leftLength > rightLength) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
736 leftPtr = leftPtr.parent;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
737 leftLength--;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
738 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
739 while (rightLength > leftLength) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
740 rightPtr = rightPtr.parent;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
741 rightLength--;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
742 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
743 while (leftPtr != rightPtr) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
744 leftPtr = leftPtr.parent;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
745 rightPtr = rightPtr.parent;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
746 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
747 return leftPtr;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
748 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
749
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
750 /**
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
751 * For copying over properties after exchanging the prototype of an object.
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
752 */
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
753 @TruffleBoundary
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
754 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
755 public final ShapeImpl copyOverPropertiesInternal(Shape destination) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
756 assert ((ShapeImpl) destination).getDepth() == 0;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
757 List<Property> properties = this.getPropertyListInternal(true);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
758 ShapeImpl newShape = ((ShapeImpl) destination).addPropertiesInternal(properties);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
759 return newShape;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
760 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
761
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
762 private ShapeImpl addPropertiesInternal(List<Property> properties) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
763 ShapeImpl newShape = this;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
764 for (Property p : properties) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
765 newShape = newShape.addPropertyInternal(p);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
766 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
767 return newShape;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
768 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
769
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
770 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
771 public final int getPropertyCount() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
772 return propertyCount;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
773 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
774
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
775 /**
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
776 * Find difference between two shapes.
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
777 *
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
778 * @see ObjectStorageOptions#TraceReshape
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
779 */
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
780 public static List<Property> diff(Shape oldShape, Shape newShape) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
781 List<Property> oldList = oldShape.getPropertyListInternal(false);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
782 List<Property> newList = newShape.getPropertyListInternal(false);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
783
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
784 List<Property> diff = new ArrayList<>(oldList);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
785 diff.addAll(newList);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
786 List<Property> intersection = new ArrayList<>(oldList);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
787 intersection.retainAll(newList);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
788 diff.removeAll(intersection);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
789 return diff;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
790 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
791
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
792 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
793 public ObjectType getObjectType() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
794 return objectType;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
795 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
796
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
797 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
798 public ShapeImpl getRoot() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
799 return root;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
800 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
801
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
802 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
803 public final boolean check(DynamicObject subject) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
804 return subject.getShape() == this;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
805 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
806
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
807 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
808 public final LayoutImpl getLayout() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
809 return layout;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
810 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
811
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
812 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
813 public final Object getData() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
814 return extraData;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
815 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
816
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
817 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
818 public final Object getSharedData() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
819 return sharedData;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
820 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
821
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
822 @TruffleBoundary
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
823 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
824 public final boolean hasTransitionWithKey(Object key) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
825 for (Transition transition : getTransitionMapForRead().keySet()) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
826 if (transition instanceof PropertyTransition) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
827 if (((PropertyTransition) transition).getProperty().getKey().equals(key)) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
828 return true;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
829 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
830 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
831 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
832 return false;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
833 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
834
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
835 /**
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
836 * Clone off a separate shape with new shared data.
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
837 */
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
838 @TruffleBoundary
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
839 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
840 public final ShapeImpl createSeparateShape(Object newSharedData) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
841 if (parent == null) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
842 return cloneRoot(this, newSharedData);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
843 } else {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
844 return this.cloneOnto(parent.createSeparateShape(newSharedData));
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
845 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
846 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
847
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
848 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
849 @TruffleBoundary
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
850 public final ShapeImpl changeType(ObjectType newOps) {
18621
b3b241bbbbdb OM: rename transitions
Andreas Woess <andreas.woess@jku.at>
parents: 18408
diff changeset
851 ObjectTypeTransition transition = new ObjectTypeTransition(newOps);
18627
196cf131ed32 OM: extract queryTransition method
Andreas Woess <andreas.woess@jku.at>
parents: 18626
diff changeset
852 ShapeImpl cachedShape = queryTransition(transition);
18408
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
853 if (cachedShape != null) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
854 return cachedShape;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
855 }
18627
196cf131ed32 OM: extract queryTransition method
Andreas Woess <andreas.woess@jku.at>
parents: 18626
diff changeset
856
196cf131ed32 OM: extract queryTransition method
Andreas Woess <andreas.woess@jku.at>
parents: 18626
diff changeset
857 ShapeImpl newShape = createShape(layout, sharedData, this, newOps, propertyMap, transition, allocator(), id);
196cf131ed32 OM: extract queryTransition method
Andreas Woess <andreas.woess@jku.at>
parents: 18626
diff changeset
858 addDirectTransition(transition, newShape);
196cf131ed32 OM: extract queryTransition method
Andreas Woess <andreas.woess@jku.at>
parents: 18626
diff changeset
859 return newShape;
18408
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
860 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
861
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
862 @Override
18623
8bf798e8cf11 OM: remember transition from parent and walk transitions instead of properties in replaceProperty,removeProperty
Andreas Woess <andreas.woess@jku.at>
parents: 18622
diff changeset
863 public final ShapeImpl reservePrimitiveExtensionArray() {
18408
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
864 if (layout.hasPrimitiveExtensionArray() && !hasPrimitiveArray()) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
865 return addPrimitiveExtensionArray();
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
866 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
867 return this;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
868 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
869
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
870 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
871 public final Iterable<Property> getProperties() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
872 if (getPropertyCount() != 0 && propertyArray == null) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
873 CompilerDirectives.transferToInterpreter();
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
874 propertyArray = createPropertiesArray();
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
875 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
876 return new Iterable<Property>() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
877 public Iterator<Property> iterator() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
878 return new Iterator<Property>() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
879 private int cursor;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
880
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
881 public boolean hasNext() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
882 return cursor < getPropertyCount();
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
883 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
884
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
885 public Property next() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
886 if (hasNext()) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
887 return propertyArray[cursor++];
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
888 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
889 throw new NoSuchElementException();
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
890 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
891
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
892 public void remove() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
893 throw new UnsupportedOperationException();
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
894 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
895 };
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
896 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
897 };
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
898 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
899
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
900 private Property[] createPropertiesArray() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
901 propertyListAllocCount.inc();
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
902 Property[] propertiesArray = new Property[getPropertyCount()];
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
903 List<Property> ownProperties = getPropertyList(ALL);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
904 assert ownProperties.size() == getPropertyCount();
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
905 for (int i = 0; i < getPropertyCount(); i++) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
906 propertiesArray[i] = ownProperties.get(i);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
907 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
908 return propertiesArray;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
909 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
910
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
911 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
912 public final DynamicObject newInstance() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
913 return layout.newInstance(this);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
914 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
915
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
916 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
917 public final DynamicObjectFactory createFactory() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
918 final List<Property> properties = getPropertyListInternal(true);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
919 for (Iterator<Property> iterator = properties.iterator(); iterator.hasNext();) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
920 Property property = iterator.next();
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
921 // skip non-instance fields
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
922 assert property.getLocation() != layout.getPrimitiveArrayLocation();
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
923 if (property.getLocation() instanceof ValueLocation) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
924 iterator.remove();
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
925 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
926 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
927
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
928 return new DynamicObjectFactory() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
929 @CompilationFinal private final PropertyImpl[] instanceFields = properties.toArray(new PropertyImpl[properties.size()]);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
930
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
931 @ExplodeLoop
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
932 public DynamicObject newInstance(Object... initialValues) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
933 DynamicObject store = ShapeImpl.this.newInstance();
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
934 for (int i = 0; i < instanceFields.length; i++) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
935 instanceFields[i].setInternal(store, initialValues[i]);
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
936 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
937 return store;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
938 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
939
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
940 public Shape getShape() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
941 return ShapeImpl.this;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
942 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
943 };
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
944 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
945
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
946 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
947 public Object getMutex() {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
948 return getRoot();
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
949 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
950
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
951 @Override
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
952 public Shape tryMerge(Shape other) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
953 return null;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
954 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
955
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
956 public abstract static class BaseAllocator extends Allocator {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
957 protected final LayoutImpl layout;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
958 protected int objectArraySize;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
959 protected int objectFieldSize;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
960 protected int primitiveFieldSize;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
961 protected int primitiveArraySize;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
962 protected boolean hasPrimitiveArray;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
963 protected int depth;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
964
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
965 protected BaseAllocator(LayoutImpl layout) {
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
966 this.layout = layout;
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
967 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
968
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
969 protected BaseAllocator(ShapeImpl shape) {
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diff changeset
970 this(shape.getLayout());
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diff changeset
971 this.objectArraySize = shape.objectArraySize;
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diff changeset
972 this.objectFieldSize = shape.objectFieldSize;
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parents:
diff changeset
973 this.primitiveFieldSize = shape.primitiveFieldSize;
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parents:
diff changeset
974 this.primitiveArraySize = shape.primitiveArraySize;
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parents:
diff changeset
975 this.hasPrimitiveArray = shape.hasPrimitiveArray;
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parents:
diff changeset
976 this.depth = shape.depth;
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parents:
diff changeset
977 }
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diff changeset
978
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979 protected abstract Location moveLocation(Location oldLocation);
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diff changeset
980
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981 protected abstract Location newObjectLocation(boolean useFinal, boolean nonNull);
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982
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983 protected abstract Location newTypedObjectLocation(boolean useFinal, Class<?> type, boolean nonNull);
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984
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985 protected abstract Location newIntLocation(boolean useFinal);
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diff changeset
986
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diff changeset
987 protected abstract Location newDoubleLocation(boolean useFinal);
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diff changeset
988
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989 protected abstract Location newLongLocation(boolean useFinal);
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diff changeset
990
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diff changeset
991 protected abstract Location newBooleanLocation(boolean useFinal);
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diff changeset
992
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diff changeset
993 @Override
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994 public final Location constantLocation(Object value) {
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diff changeset
995 return new ConstantLocation(value);
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parents:
diff changeset
996 }
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parents:
diff changeset
997
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parents:
diff changeset
998 @Override
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diff changeset
999 protected Location locationForValue(Object value, boolean useFinal, boolean nonNull) {
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diff changeset
1000 if (value instanceof Integer) {
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diff changeset
1001 return newIntLocation(useFinal);
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diff changeset
1002 } else if (value instanceof Double) {
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diff changeset
1003 return newDoubleLocation(useFinal);
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parents:
diff changeset
1004 } else if (value instanceof Long) {
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diff changeset
1005 return newLongLocation(useFinal);
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diff changeset
1006 } else if (value instanceof Boolean) {
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diff changeset
1007 return newBooleanLocation(useFinal);
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diff changeset
1008 } else if (ObjectStorageOptions.TypedObjectLocations && value != null) {
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parents:
diff changeset
1009 return newTypedObjectLocation(useFinal, value.getClass(), nonNull);
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diff changeset
1010 }
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diff changeset
1011 return newObjectLocation(useFinal, nonNull && value != null);
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diff changeset
1012 }
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diff changeset
1013
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diff changeset
1014 protected abstract Location locationForValueUpcast(Object value, Location oldLocation);
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diff changeset
1015
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diff changeset
1016 @Override
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diff changeset
1017 protected Location locationForType(Class<?> type, boolean useFinal, boolean nonNull) {
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diff changeset
1018 if (type == int.class) {
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diff changeset
1019 return newIntLocation(useFinal);
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diff changeset
1020 } else if (type == double.class) {
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diff changeset
1021 return newDoubleLocation(useFinal);
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diff changeset
1022 } else if (type == long.class) {
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diff changeset
1023 return newLongLocation(useFinal);
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diff changeset
1024 } else if (type == boolean.class) {
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diff changeset
1025 return newBooleanLocation(useFinal);
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diff changeset
1026 } else if (ObjectStorageOptions.TypedObjectLocations && type != null && type != Object.class) {
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diff changeset
1027 assert !type.isPrimitive() : "unsupported primitive type";
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parents:
diff changeset
1028 return newTypedObjectLocation(useFinal, type, nonNull);
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parents:
diff changeset
1029 }
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diff changeset
1030 return newObjectLocation(useFinal, nonNull);
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parents:
diff changeset
1031 }
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diff changeset
1032
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diff changeset
1033 protected Location newDualLocation(Class<?> type) {
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diff changeset
1034 return new DualLocation((InternalLongLocation) newLongLocation(false), (ObjectLocation) newObjectLocation(false, false), layout, type);
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diff changeset
1035 }
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parents:
diff changeset
1036
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diff changeset
1037 protected DualLocation newDualLocationForValue(Object value) {
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diff changeset
1038 Class<?> initialType = null;
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parents:
diff changeset
1039 if (value instanceof Integer) {
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parents:
diff changeset
1040 initialType = int.class;
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parents:
diff changeset
1041 } else if (value instanceof Double) {
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diff changeset
1042 initialType = double.class;
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diff changeset
1043 } else if (value instanceof Boolean) {
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diff changeset
1044 initialType = boolean.class;
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diff changeset
1045 } else {
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diff changeset
1046 initialType = Object.class;
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diff changeset
1047 }
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Andreas Woess <andreas.woess@jku.at>
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diff changeset
1048 return new DualLocation((InternalLongLocation) newLongLocation(false), (ObjectLocation) newObjectLocation(false, false), layout, initialType);
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diff changeset
1049 }
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parents:
diff changeset
1050
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
1051 protected Location newDeclaredDualLocation(Object value) {
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parents:
diff changeset
1052 return new DeclaredDualLocation((InternalLongLocation) newLongLocation(false), (ObjectLocation) newObjectLocation(false, false), value, layout);
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parents:
diff changeset
1053 }
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
1054
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Andreas Woess <andreas.woess@jku.at>
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diff changeset
1055 protected <T extends Location> T advance(T location0) {
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
1056 if (location0 instanceof LocationImpl) {
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
1057 LocationImpl location = (LocationImpl) location0;
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parents:
diff changeset
1058 objectArraySize += location.objectArrayCount();
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
1059 primitiveArraySize += location.primitiveArrayCount();
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parents:
diff changeset
1060 primitiveFieldSize += location.primitiveFieldCount();
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parents:
diff changeset
1061 if (layout.hasPrimitiveExtensionArray()) {
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parents:
diff changeset
1062 hasPrimitiveArray |= location == layout.getPrimitiveArrayLocation() || location.primitiveArrayCount() != 0;
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parents:
diff changeset
1063 objectFieldSize = location == layout.getPrimitiveArrayLocation() ? objectFieldSize : Math.max(objectFieldSize, layout.objectFieldIndex(location) + location.objectFieldCount());
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parents:
diff changeset
1064 } else {
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parents:
diff changeset
1065 assert !hasPrimitiveArray && location.primitiveArrayCount() == 0;
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parents:
diff changeset
1066 objectFieldSize += location.objectFieldCount();
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parents:
diff changeset
1067 }
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parents:
diff changeset
1068 }
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
1069 depth++;
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parents:
diff changeset
1070 return location0;
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diff changeset
1071 }
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parents:
diff changeset
1072
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parents:
diff changeset
1073 @Override
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
1074 public BaseAllocator addLocation(Location location) {
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parents:
diff changeset
1075 advance(location);
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
1076 return this;
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
1077 }
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
1078 }
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
1079
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
1080 private static void debugRegisterShape(ShapeImpl newShape) {
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parents:
diff changeset
1081 if (ObjectStorageOptions.DumpShapes) {
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parents:
diff changeset
1082 Debug.registerShape(newShape);
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
1083 }
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Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
1084 }
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parents:
diff changeset
1085
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parents:
diff changeset
1086 /**
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parents:
diff changeset
1087 * Match all filter.
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parents:
diff changeset
1088 */
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parents:
diff changeset
1089 public static final Pred<Property> ALL = new Pred<Property>() {
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parents:
diff changeset
1090 public boolean test(Property t) {
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parents:
diff changeset
1091 return true;
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parents:
diff changeset
1092 }
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diff changeset
1093 };
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parents:
diff changeset
1094
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parents:
diff changeset
1095 private static final DebugCounter shapeCount = DebugCounter.create("Shapes allocated total");
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parents:
diff changeset
1096 private static final DebugCounter shapeCloneCount = DebugCounter.create("Shapes allocated cloned");
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parents:
diff changeset
1097 private static final DebugCounter shapeCacheHitCount = DebugCounter.create("Shape cache hits");
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parents:
diff changeset
1098 private static final DebugCounter shapeCacheMissCount = DebugCounter.create("Shape cache misses");
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parents:
diff changeset
1099
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diff changeset
1100 protected static final DebugCounter propertyListAllocCount = DebugCounter.create("Property lists allocated");
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parents:
diff changeset
1101 protected static final DebugCounter propertyListShareCount = DebugCounter.create("Property lists shared");
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parents:
diff changeset
1102 }