Mercurial > hg > truffle
annotate graal/com.oracle.graal.graph/src/com/oracle/graal/graph/Graph.java @ 5608:3bc48971a1bf
Make NodeIterable an interface and create AbstractNodeIterable,
Make NodeList extend AbstractList to get a number of method implemeted
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Wed, 13 Jun 2012 14:17:37 +0200 |
parents | 21cab9000931 |
children | 4d7175cf3526 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2011, 2011, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 package com.oracle.graal.graph; |
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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.graal.graph.GraphEvent.NodeEvent; |
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28 import com.oracle.graal.graph.Node.IterableNodeType; |
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29 import com.oracle.graal.graph.Node.ValueNumberable; |
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30 import com.oracle.graal.graph.iterators.*; |
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31 |
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32 /** |
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33 * This class is a graph container, it contains the set of nodes that belong to this graph. |
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34 */ |
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35 public class Graph { |
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36 |
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37 public final String name; |
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38 |
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39 private static final boolean TIME_TRAVEL = false; |
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40 |
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41 private final ArrayList<Node> nodes; |
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42 |
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43 // these two arrays contain one entry for each NodeClass, indexed by NodeClass.iterableId. |
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44 // they contain the first and last pointer to a linked list of all nodes with this type. |
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45 private final ArrayList<Node> nodeCacheFirst; |
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46 private final ArrayList<Node> nodeCacheLast; |
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47 private int deletedNodeCount; |
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48 private GraphEventLog eventLog; |
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49 |
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50 ArrayList<Node> usagesDropped = new ArrayList<>(); |
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51 InputChangedListener inputChanged; |
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52 private final HashMap<CacheEntry, Node> cachedNodes = new HashMap<>(); |
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53 |
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54 private static final class CacheEntry { |
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55 |
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56 private final Node node; |
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57 |
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58 public CacheEntry(Node node) { |
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59 this.node = node; |
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60 } |
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61 |
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62 @Override |
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63 public int hashCode() { |
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64 return node.getNodeClass().valueNumber(node); |
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65 } |
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66 |
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67 @Override |
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68 public boolean equals(Object obj) { |
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69 if (obj == this) { |
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70 return true; |
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71 } |
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72 if (obj instanceof CacheEntry) { |
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73 CacheEntry other = (CacheEntry) obj; |
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74 NodeClass nodeClass = node.getNodeClass(); |
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75 if (other.node.getNodeClass() == nodeClass) { |
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76 return nodeClass.valueNumberable() && nodeClass.valueEqual(node, other.node) && nodeClass.edgesEqual(node, other.node); |
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77 } |
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78 } |
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79 return false; |
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80 } |
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81 } |
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82 |
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83 /** |
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84 * Creates an empty Graph with no name. |
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85 */ |
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86 public Graph() { |
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87 this(null); |
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88 } |
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89 |
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90 /** |
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91 * Creates an empty Graph with a given name. |
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92 * |
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93 * @param name the name of the graph, used for debugging purposes |
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94 */ |
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95 public Graph(String name) { |
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96 nodes = new ArrayList<>(32); |
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97 nodeCacheFirst = new ArrayList<>(NodeClass.cacheSize()); |
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98 nodeCacheLast = new ArrayList<>(NodeClass.cacheSize()); |
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99 this.name = name; |
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100 } |
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101 |
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102 /** |
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103 * Creates a copy of this graph. |
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104 */ |
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105 public Graph copy() { |
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106 return copy(name); |
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107 } |
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108 |
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109 /** |
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110 * Creates a copy of this graph. |
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111 * |
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112 * @param name the name of the copy, used for debugging purposes (can be null) |
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113 */ |
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114 public Graph copy(String newName) { |
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115 Graph copy = new Graph(newName); |
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116 Map<Node, Node> emptyMap = Collections.emptyMap(); |
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117 copy.addDuplicates(getNodes(), emptyMap); |
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118 return copy; |
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119 } |
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120 |
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121 @Override |
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122 public String toString() { |
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123 return name == null ? super.toString() : "Graph " + name; |
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124 } |
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125 |
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126 /** |
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127 * Gets the number of live nodes in this graph. That is the number of nodes which have been added to the graph minus the number of deleted nodes. |
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128 * @return the number of live nodes in this graph |
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129 */ |
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130 public int getNodeCount() { |
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131 return nodes.size() - getDeletedNodeCount(); |
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132 } |
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133 |
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134 /** |
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135 * Gets the number of node which have been deleted from this graph. |
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136 * @return the number of node which have been deleted from this graph |
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137 */ |
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138 public int getDeletedNodeCount() { |
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139 return deletedNodeCount; |
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140 } |
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141 |
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142 /** |
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143 * Adds a new node to the graph. |
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144 * @param node the node to be added |
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145 * @return the node which was added to the graph |
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146 */ |
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147 public <T extends Node> T add(T node) { |
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148 node.initialize(this); |
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149 return node; |
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150 } |
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151 |
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152 public int getUsagesDroppedNodesCount() { |
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153 return usagesDropped.size(); |
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154 } |
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155 |
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156 public List<Node> getAndCleanUsagesDroppedNodes() { |
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157 ArrayList<Node> result = usagesDropped; |
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158 usagesDropped = new ArrayList<>(); |
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159 return result; |
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160 } |
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161 |
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162 public interface InputChangedListener { |
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163 void inputChanged(Node node); |
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164 } |
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165 |
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166 public void trackInputChange(InputChangedListener inputChangedListener) { |
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167 this.inputChanged = inputChangedListener; |
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168 } |
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169 |
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170 public void stopTrackingInputChange() { |
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171 inputChanged = null; |
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172 } |
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173 |
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174 /** |
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175 * Adds a new node to the graph, if a <i>similar</i> node already exists in the graph, the provided node will not be added to the graph but the <i>similar</i> node will be returned instead. |
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176 * @param node |
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177 * @return the node which was added to the graph or a <i>similar</i> which was already in the graph. |
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178 */ |
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179 @SuppressWarnings("unchecked") |
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180 public <T extends Node & ValueNumberable> T unique(T node) { |
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181 assert checkValueNumberable(node); |
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182 |
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183 for (Node input : node.inputs()) { |
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184 if (input != null) { |
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185 for (Node usage : input.usages()) { |
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186 if (usage != node && node.getNodeClass().valueEqual(node, usage) && node.getNodeClass().edgesEqual(node, usage)) { |
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187 return (T) usage; |
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188 } |
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189 } |
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190 return add(node); |
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191 } |
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192 } |
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193 Node cachedNode = cachedNodes.get(new CacheEntry(node)); |
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194 if (cachedNode != null && cachedNode.isAlive()) { |
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195 return (T) cachedNode; |
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196 } else { |
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197 Node result = add(node); |
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198 cachedNodes.put(new CacheEntry(node), result); |
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199 return (T) result; |
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200 } |
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201 } |
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202 |
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203 public Node findDuplicate(Node node) { |
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204 if (node.getNodeClass().valueNumberable()) { |
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205 for (Node input : node.inputs()) { |
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206 if (input != null) { |
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207 for (Node usage : input.usages()) { |
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208 if (usage != node && node.getNodeClass().valueEqual(node, usage) && node.getNodeClass().edgesEqual(node, usage)) { |
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209 return usage; |
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210 } |
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211 } |
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212 return null; |
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213 } |
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214 } |
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215 } |
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216 CacheEntry key = new CacheEntry(node); |
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217 Node cachedNode = cachedNodes.get(key); |
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218 if (cachedNode != null) { |
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219 if (!cachedNode.isAlive()) { |
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220 cachedNodes.remove(key); |
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221 return null; |
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222 } |
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223 return cachedNode != node ? cachedNode : null; |
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224 } else { |
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225 cachedNodes.put(key, node); |
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226 return null; |
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227 } |
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228 } |
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229 |
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230 private static boolean checkValueNumberable(Node node) { |
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231 if (!node.getNodeClass().valueNumberable()) { |
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232 throw new VerificationError("node is not valueNumberable").addContext(node); |
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233 } |
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234 return true; |
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235 } |
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236 |
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237 /** |
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238 * Gets a mark that can be used with {@link #getNewNodes()}. |
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239 */ |
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240 public int getMark() { |
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241 return nodeIdCount(); |
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242 } |
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243 |
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244 private class NodeIterator implements Iterator<Node> { |
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245 private int index; |
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246 |
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247 public NodeIterator() { |
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248 this(0); |
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249 } |
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250 |
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251 public NodeIterator(int index) { |
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252 this.index = index - 1; |
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253 forward(); |
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254 } |
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255 |
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256 private void forward() { |
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257 if (index < nodes.size()) { |
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258 do { |
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259 index++; |
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260 } while (index < nodes.size() && nodes.get(index) == null); |
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261 } |
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262 } |
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263 |
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264 @Override |
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265 public boolean hasNext() { |
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266 checkForDeletedNode(); |
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267 return index < nodes.size(); |
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268 } |
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269 |
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270 private void checkForDeletedNode() { |
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271 if (index < nodes.size()) { |
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272 while (index < nodes.size() && nodes.get(index) == null) { |
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273 index++; |
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274 } |
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275 } |
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276 } |
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277 |
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278 @Override |
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279 public Node next() { |
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280 try { |
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281 return nodes.get(index); |
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282 } finally { |
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283 forward(); |
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284 } |
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285 } |
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286 |
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|
287 @Override |
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288 public void remove() { |
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289 throw new UnsupportedOperationException(); |
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290 } |
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|
291 } |
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292 |
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293 /** |
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made graph marking stateless (in the graph) to ensure recursive marking is safe
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294 * Returns an {@link Iterable} providing all nodes added since the last {@link Graph#getMark() mark}. |
3733
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295 */ |
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296 public NodeIterable<Node> getNewNodes(int mark) { |
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297 final int index = mark; |
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Make NodeIterable an interface and create AbstractNodeIterable,
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298 return new AbstractNodeIterable<Node>() { |
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299 @Override |
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300 public Iterator<Node> iterator() { |
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301 return new NodeIterator(index); |
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|
302 } |
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|
303 }; |
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|
304 } |
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305 |
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|
306 /** |
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|
307 * Returns an {@link Iterable} providing all the live nodes. |
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308 * @return an {@link Iterable} providing all the live nodes. |
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309 */ |
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|
310 public NodeIterable<Node> getNodes() { |
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Make NodeIterable an interface and create AbstractNodeIterable,
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311 return new AbstractNodeIterable<Node>() { |
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312 @Override |
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|
313 public Iterator<Node> iterator() { |
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314 return new NodeIterator(); |
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|
315 } |
5488
21cab9000931
.filter() on Graph.getNode now tries to use the fast node iterator if possible
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|
316 |
21cab9000931
.filter() on Graph.getNode now tries to use the fast node iterator if possible
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|
317 @SuppressWarnings("unchecked") |
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|
318 @Override |
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|
319 public <F extends Node> NodeIterable<F> filter(Class<F> clazz) { |
21cab9000931
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|
320 if (IterableNodeType.class.isAssignableFrom(clazz)) { |
21cab9000931
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diff
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|
321 return getNodes((Class) clazz); |
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|
322 } |
21cab9000931
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|
323 return super.filter(clazz); |
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.filter() on Graph.getNode now tries to use the fast node iterator if possible
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|
324 } |
3733
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|
325 }; |
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parents:
diff
changeset
|
326 } |
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|
327 |
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|
328 private static class TypedNodeIterator<T extends IterableNodeType> implements Iterator<T> { |
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parents:
diff
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|
329 private Node current; |
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|
330 private final Node start; |
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|
331 |
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diff
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|
332 public TypedNodeIterator(Node start) { |
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|
333 if (start != null && start.isDeleted()) { |
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changeset
|
334 this.current = start; |
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parents:
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|
335 } else { |
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changeset
|
336 this.current = null; |
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changeset
|
337 } |
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changeset
|
338 this.start = start; |
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diff
changeset
|
339 } |
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|
340 |
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diff
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|
341 @Override |
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parents:
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|
342 public boolean hasNext() { |
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diff
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|
343 if (current != null) { |
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|
344 Node next = current.typeCacheNext; |
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|
345 if (next != null) { |
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changeset
|
346 while (next.isDeleted()) { |
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|
347 next = next.typeCacheNext; |
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|
348 if (next == null) { |
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|
349 return false; |
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changeset
|
350 } |
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changeset
|
351 current.typeCacheNext = next; |
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changeset
|
352 } |
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|
353 return true; |
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parents:
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changeset
|
354 } |
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|
355 return false; |
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parents:
diff
changeset
|
356 } else { |
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|
357 return start != null; |
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parents:
diff
changeset
|
358 } |
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parents:
diff
changeset
|
359 } |
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parents:
diff
changeset
|
360 |
e233f5660da4
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parents:
diff
changeset
|
361 @Override |
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parents:
diff
changeset
|
362 @SuppressWarnings("unchecked") |
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changeset
|
363 public T next() { |
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diff
changeset
|
364 if (current == null) { |
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parents:
diff
changeset
|
365 Node result = start; |
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parents:
diff
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|
366 current = result; |
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parents:
diff
changeset
|
367 return (T) result; |
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parents:
diff
changeset
|
368 } else { |
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changeset
|
369 Node result = current.typeCacheNext; |
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|
370 current = result; |
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parents:
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changeset
|
371 return (T) result; |
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parents:
diff
changeset
|
372 } |
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parents:
diff
changeset
|
373 } |
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parents:
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|
374 |
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parents:
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changeset
|
375 @Override |
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parents:
diff
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|
376 public void remove() { |
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parents:
diff
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|
377 throw new UnsupportedOperationException(); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
378 } |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
379 } |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
380 |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
381 /** |
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parents:
diff
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|
382 * Returns an {@link Iterable} providing all the live nodes whose type is compatible with {@code type}. |
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parents:
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|
383 * @param type the type of node to return |
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parents:
diff
changeset
|
384 * @return an {@link Iterable} providing all the matching nodes. |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
385 */ |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
386 public <T extends Node & IterableNodeType> NodeIterable<T> getNodes(final Class<T> type) { |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
387 final Node start = getStartNode(type); |
5608
3bc48971a1bf
Make NodeIterable an interface and create AbstractNodeIterable,
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5488
diff
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|
388 return new AbstractNodeIterable<T>() { |
3733
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parents:
diff
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|
389 @Override |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
390 public Iterator<T> iterator() { |
4142
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Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3733
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|
391 return new TypedNodeIterator<>(start); |
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
392 } |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
393 }; |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
394 } |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
395 |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
396 /** |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
397 * Returns whether the graph contains at least one node of the given type. |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
398 * @param type the type of node that is checked for occurrence |
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parents:
diff
changeset
|
399 * @return whether there is at least one such node |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
400 */ |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
401 public <T extends Node & IterableNodeType> boolean hasNode(final Class<T> type) { |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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changeset
|
402 return getNodes(type).iterator().hasNext(); |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
403 } |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
404 |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
405 private <T> Node getStartNode(final Class<T> type) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
406 int nodeClassId = NodeClass.get(type).iterableId(); |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
407 assert nodeClassId != -1 : type + " is not iterable within graphs (missing \"implements IterableNodeType\"?)"; |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
408 Node start = nodeCacheFirst.size() <= nodeClassId ? null : nodeCacheFirst.get(nodeClassId); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
409 return start; |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
410 } |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
411 |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
412 public NodeBitMap createNodeBitMap() { |
5419
3c16d338888e
Merge Canonicalizer and GVN Phases
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5380
diff
changeset
|
413 return createNodeBitMap(false); |
3c16d338888e
Merge Canonicalizer and GVN Phases
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5380
diff
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|
414 } |
3c16d338888e
Merge Canonicalizer and GVN Phases
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5380
diff
changeset
|
415 |
3c16d338888e
Merge Canonicalizer and GVN Phases
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5380
diff
changeset
|
416 public NodeBitMap createNodeBitMap(boolean autoGrow) { |
3c16d338888e
Merge Canonicalizer and GVN Phases
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5380
diff
changeset
|
417 return new NodeBitMap(this, autoGrow); |
3733
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parents:
diff
changeset
|
418 } |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
419 |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
420 public <T> NodeMap<T> createNodeMap() { |
4142
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Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3733
diff
changeset
|
421 return new NodeMap<>(this); |
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
422 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
423 |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
424 public NodeFlood createNodeFlood() { |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
425 return new NodeFlood(this); |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
426 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
427 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
428 public NodeWorkList createNodeWorkList() { |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
429 return new NodeWorkList(this); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
430 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
431 |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
432 public NodeWorkList createNodeWorkList(boolean fill, int iterationLimitPerNode) { |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
433 return new NodeWorkList(this, fill, iterationLimitPerNode); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
434 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
435 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
436 void register(Node node) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
437 assert node.id() == Node.INITIAL_ID; |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
438 int id = nodes.size(); |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
439 nodes.add(id, node); |
e233f5660da4
Added Java files from Maxine project.
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parents:
diff
changeset
|
440 |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
441 int nodeClassId = node.getNodeClass().iterableId(); |
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Added Java files from Maxine project.
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parents:
diff
changeset
|
442 if (nodeClassId != NodeClass.NOT_ITERABLE) { |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
443 while (nodeCacheFirst.size() <= nodeClassId) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
444 nodeCacheFirst.add(null); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
445 nodeCacheLast.add(null); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
446 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
447 Node prev = nodeCacheLast.get(nodeClassId); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
448 if (prev != null) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
449 prev.typeCacheNext = node; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
450 } else { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
451 nodeCacheFirst.set(nodeClassId, node); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
452 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
453 nodeCacheLast.set(nodeClassId, node); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
454 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
455 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
456 node.id = id; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
457 logNodeAdded(node); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
458 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
459 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
460 void logNodeAdded(Node node) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
461 if (TIME_TRAVEL) { |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
462 log(new GraphEvent.NodeEvent(node, GraphEvent.NodeEvent.Type.ADDED)); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
463 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
464 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
465 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
466 void logNodeDeleted(Node node) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
467 if (TIME_TRAVEL) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
468 log(new GraphEvent.NodeEvent(node, GraphEvent.NodeEvent.Type.DELETED)); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
469 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
470 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
471 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
472 private void log(NodeEvent nodeEvent) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
473 if (eventLog == null) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
474 eventLog = new GraphEventLog(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
475 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
476 eventLog.add(nodeEvent); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
477 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
478 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
479 public GraphEventLog getEventLog() { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
480 return eventLog; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
481 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
482 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
483 void unregister(Node node) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
484 assert !node.isDeleted() : "cannot delete a node twice! node=" + node; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
485 logNodeDeleted(node); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
486 nodes.set(node.id(), null); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
487 deletedNodeCount++; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
488 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
489 // nodes aren't removed from the type cache here - they will be removed during iteration |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
490 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
491 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
492 public boolean verify() { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
493 for (Node node : getNodes()) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
494 try { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
495 try { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
496 assert node.verify(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
497 } catch (AssertionError t) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
498 throw new GraalInternalError(t); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
499 } catch (RuntimeException t) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
500 throw new GraalInternalError(t); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
501 } |
e233f5660da4
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502 } catch (GraalInternalError e) { |
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503 throw e.addContext(node).addContext(this); |
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504 } |
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505 } |
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506 return true; |
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507 } |
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508 |
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509 Node getNode(int i) { |
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510 return nodes.get(i); |
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511 } |
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512 |
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513 /** |
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514 * Returns the number of node ids generated so far. |
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515 * @return the number of node ids generated so far |
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516 */ |
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517 int nodeIdCount() { |
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518 return nodes.size(); |
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519 } |
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520 |
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521 /** |
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522 * Adds duplicates of the nodes in {@code nodes} to this graph. |
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523 * This will recreate any edges between the duplicate nodes. The {@code replacement} map can be used to |
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524 * replace a node from the source graph by a given node (which must already be in this graph). |
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525 * Edges between duplicate and replacement nodes will also be recreated so care should be taken |
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526 * regarding the matching of node types in the replacement map. |
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527 * |
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528 * @param newNodes the nodes to be duplicated |
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529 * @param replacements the replacement map (can be null if no replacement is to be performed) |
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530 * @return a map which associates the original nodes from {@code nodes} to their duplicates |
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531 */ |
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532 public Map<Node, Node> addDuplicates(Iterable<Node> newNodes, Map<Node, Node> replacementsMap) { |
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533 DuplicationReplacement replacements; |
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534 if (replacementsMap == null) { |
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535 replacements = null; |
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536 } else { |
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537 replacements = new MapReplacement(replacementsMap); |
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538 } |
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539 return addDuplicates(newNodes, replacements); |
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540 } |
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541 |
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542 public interface DuplicationReplacement { |
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543 Node replacement(Node original); |
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544 } |
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545 |
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546 private static final class MapReplacement implements DuplicationReplacement { |
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547 private final Map<Node, Node> map; |
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548 public MapReplacement(Map<Node, Node> map) { |
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549 this.map = map; |
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550 } |
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551 @Override |
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552 public Node replacement(Node original) { |
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553 Node replacement = map.get(original); |
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554 return replacement != null ? replacement : original; |
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555 } |
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556 |
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557 } |
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558 |
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559 private static final DuplicationReplacement NO_REPLACEMENT = new DuplicationReplacement() { |
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560 @Override |
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561 public Node replacement(Node original) { |
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562 return original; |
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563 } |
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564 }; |
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565 |
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566 @SuppressWarnings("all") |
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567 public Map<Node, Node> addDuplicates(Iterable<Node> newNodes, DuplicationReplacement replacements) { |
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568 if (replacements == null) { |
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569 replacements = NO_REPLACEMENT; |
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570 } |
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571 return NodeClass.addGraphDuplicate(this, newNodes, replacements); |
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572 } |
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573 } |