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annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/NodeUtil.java @ 10755:b221e31d7b0b

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Truffle: revise NodeUtil.replaceChild assertion
author Andreas Woess <andreas.woess@jku.at>
date Mon, 15 Jul 2013 15:26:39 +0200
parents 99789440ce28
children 7f6580db1e88
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
7267
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1 /*
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2 * Copyright (c) 2012, 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.api.nodes;
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24
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25 import java.io.*;
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26 import java.lang.annotation.*;
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27 import java.lang.reflect.*;
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28 import java.util.*;
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29
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30 import sun.misc.*;
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31
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32 import com.oracle.truffle.api.nodes.Node.Child;
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33 import com.oracle.truffle.api.nodes.Node.Children;
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34
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35 /**
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36 * Utility class that manages the special access methods for node instances.
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37 */
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38 public class NodeUtil {
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39
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40 /**
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41 * Interface that allows the customization of field offsets used for {@link Unsafe} field
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42 * accesses.
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43 */
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44 public interface FieldOffsetProvider {
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45
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46 long objectFieldOffset(Field field);
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47 }
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48
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49 private static final FieldOffsetProvider unsafeFieldOffsetProvider = new FieldOffsetProvider() {
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50
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51 @Override
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52 public long objectFieldOffset(Field field) {
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53 return unsafe.objectFieldOffset(field);
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54 }
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55 };
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56
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57 public static enum NodeFieldKind {
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58 /** The single {@link Node#getParent() parent} field. */
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59 PARENT,
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60 /** A field annotated with {@link Child}. */
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61 CHILD,
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62 /** A field annotated with {@link Children}. */
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63 CHILDREN,
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64 /** A normal non-child data field of the node. */
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65 DATA
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66 }
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67
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68 /**
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69 * Information about a field in a {@link Node} class.
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70 */
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71 public static final class NodeField {
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72
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73 private final NodeFieldKind kind;
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74 private final Class<?> type;
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75 private final String name;
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76 private long offset;
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77
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78 protected NodeField(NodeFieldKind kind, Class<?> type, String name, long offset) {
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79 this.kind = kind;
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80 this.type = type;
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81 this.name = name;
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82 this.offset = offset;
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83 }
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84
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85 public NodeFieldKind getKind() {
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86 return kind;
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87 }
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88
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89 public Class<?> getType() {
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90 return type;
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91 }
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92
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93 public String getName() {
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94 return name;
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95 }
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96
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97 public long getOffset() {
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98 return offset;
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99 }
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100
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101 public Object loadValue(Node node) {
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102 if (type == boolean.class) {
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103 return unsafe.getBoolean(node, offset);
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104 } else if (type == byte.class) {
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105 return unsafe.getByte(node, offset);
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106 } else if (type == short.class) {
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107 return unsafe.getShort(node, offset);
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108 } else if (type == char.class) {
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109 return unsafe.getChar(node, offset);
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110 } else if (type == int.class) {
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111 return unsafe.getInt(node, offset);
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112 } else if (type == long.class) {
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113 return unsafe.getLong(node, offset);
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114 } else if (type == float.class) {
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115 return unsafe.getFloat(node, offset);
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116 } else if (type == double.class) {
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117 return unsafe.getDouble(node, offset);
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118 } else {
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119 return unsafe.getObject(node, offset);
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120 }
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121 }
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122 }
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123
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124 /**
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125 * Information about a {@link Node} class. A single instance of this class is allocated for
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126 * every subclass of {@link Node} that is used.
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127 */
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128 public static final class NodeClass {
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129
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130 private static final Map<Class<?>, NodeClass> nodeClasses = new IdentityHashMap<>();
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131
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132 // The comprehensive list of all fields.
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133 private final NodeField[] fields;
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134 // Separate arrays for the frequently accessed field offsets.
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135 private final long parentOffset;
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136 private final long[] childOffsets;
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137 private final long[] childrenOffsets;
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138
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139 public static NodeClass get(Class<? extends Node> clazz) {
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140 NodeClass nodeClass = nodeClasses.get(clazz);
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141 if (nodeClass == null) {
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142 nodeClass = new NodeClass(clazz, unsafeFieldOffsetProvider);
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143 nodeClasses.put(clazz, nodeClass);
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144 }
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145 return nodeClass;
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146 }
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147
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148 public NodeClass(Class<? extends Node> clazz, FieldOffsetProvider fieldOffsetProvider) {
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149 List<NodeField> fieldsList = new ArrayList<>();
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150 List<Long> parentOffsetsList = new ArrayList<>();
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151 List<Long> childOffsetsList = new ArrayList<>();
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152 List<Long> childrenOffsetsList = new ArrayList<>();
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153
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154 for (Field field : getAllFields(clazz)) {
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155 if (Modifier.isStatic(field.getModifiers()) || field.isSynthetic()) {
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156 continue;
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157 }
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158
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159 NodeFieldKind kind;
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160 if (Node.class.isAssignableFrom(field.getType()) && field.getName().equals("parent") && field.getDeclaringClass() == Node.class) {
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161 kind = NodeFieldKind.PARENT;
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162 parentOffsetsList.add(fieldOffsetProvider.objectFieldOffset(field));
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163 } else if (Node.class.isAssignableFrom(field.getType()) && field.getAnnotation(Child.class) != null) {
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164 kind = NodeFieldKind.CHILD;
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165 childOffsetsList.add(fieldOffsetProvider.objectFieldOffset(field));
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166 } else if (field.getType().isArray() && Node.class.isAssignableFrom(field.getType().getComponentType()) && field.getAnnotation(Children.class) != null) {
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167 kind = NodeFieldKind.CHILDREN;
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168 childrenOffsetsList.add(fieldOffsetProvider.objectFieldOffset(field));
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169 } else {
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170 kind = NodeFieldKind.DATA;
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171 }
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172 fieldsList.add(new NodeField(kind, field.getType(), field.getName(), fieldOffsetProvider.objectFieldOffset(field)));
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173 }
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174 this.fields = fieldsList.toArray(new NodeField[fieldsList.size()]);
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175 assert parentOffsetsList.size() == 1 : "must have exactly one parent field";
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176 this.parentOffset = parentOffsetsList.get(0);
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177 this.childOffsets = toLongArray(childOffsetsList);
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178 this.childrenOffsets = toLongArray(childrenOffsetsList);
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179 }
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180
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181 public NodeField[] getFields() {
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182 return fields;
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183 }
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184
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185 public long getParentOffset() {
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186 return parentOffset;
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187 }
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188
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189 public long[] getChildOffsets() {
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190 return childOffsets;
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191 }
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192
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193 public long[] getChildrenOffsets() {
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194 return childrenOffsets;
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195 }
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196 }
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197
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198 static class NodeIterator implements Iterator<Node> {
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199
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200 private final Node node;
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201 private final NodeClass nodeClass;
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202 private final int childrenCount;
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203 private int index;
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204
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205 protected NodeIterator(Node node) {
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206 this.node = node;
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207 this.index = 0;
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208 this.nodeClass = NodeClass.get(node.getClass());
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209 this.childrenCount = childrenCount();
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210 }
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211
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212 private int childrenCount() {
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213 int nodeCount = nodeClass.childOffsets.length;
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214 for (long fieldOffset : nodeClass.childrenOffsets) {
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215 Node[] children = ((Node[]) unsafe.getObject(node, fieldOffset));
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216 if (children != null) {
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217 nodeCount += children.length;
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218 }
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219 }
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220 return nodeCount;
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221 }
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222
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223 private Node nodeAt(int idx) {
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224 int nodeCount = nodeClass.childOffsets.length;
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225 if (idx < nodeCount) {
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226 return (Node) unsafe.getObject(node, nodeClass.childOffsets[idx]);
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227 } else {
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228 for (long fieldOffset : nodeClass.childrenOffsets) {
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229 Node[] nodeArray = (Node[]) unsafe.getObject(node, fieldOffset);
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230 if (idx < nodeCount + nodeArray.length) {
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231 return nodeArray[idx - nodeCount];
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232 }
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233 nodeCount += nodeArray.length;
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234 }
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235 }
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236 return null;
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237 }
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238
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239 private void forward() {
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240 if (index < childrenCount) {
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241 index++;
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242 }
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243 }
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244
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245 @Override
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246 public boolean hasNext() {
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247 return index < childrenCount;
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248 }
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249
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250 @Override
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251 public Node next() {
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252 try {
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253 return nodeAt(index);
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254 } finally {
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255 forward();
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256 }
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257 }
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258
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259 @Override
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260 public void remove() {
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261 throw new UnsupportedOperationException();
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262 }
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263 }
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264
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265 private static long[] toLongArray(List<Long> list) {
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266 long[] array = new long[list.size()];
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267 for (int i = 0; i < list.size(); i++) {
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268 array[i] = list.get(i);
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269 }
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270 return array;
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271 }
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272
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273 protected static final Unsafe unsafe = getUnsafe();
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274
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275 private static Unsafe getUnsafe() {
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276 try {
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277 return Unsafe.getUnsafe();
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278 } catch (SecurityException e) {
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279 }
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280 try {
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281 Field theUnsafeInstance = Unsafe.class.getDeclaredField("theUnsafe");
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282 theUnsafeInstance.setAccessible(true);
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283 return (Unsafe) theUnsafeInstance.get(Unsafe.class);
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284 } catch (Exception e) {
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285 throw new RuntimeException("exception while trying to get Unsafe.theUnsafe via reflection:", e);
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286 }
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287 }
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288
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289 @SuppressWarnings("unchecked")
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290 public static <T extends Node> T cloneNode(T orig) {
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291 Class<? extends Node> clazz = orig.getClass();
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292 NodeClass nodeClass = NodeClass.get(clazz);
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293 Node clone = orig.copy();
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294 if (clone == null) {
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295 return null;
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296 }
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297
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298 unsafe.putObject(clone, nodeClass.parentOffset, null);
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299
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300 for (long fieldOffset : nodeClass.childOffsets) {
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301 Node child = (Node) unsafe.getObject(orig, fieldOffset);
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302 if (child != null) {
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303 Node clonedChild = cloneNode(child);
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304 if (clonedChild == null) {
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305 return null;
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306 }
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307
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308 unsafe.putObject(clonedChild, nodeClass.parentOffset, clone);
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309 unsafe.putObject(clone, fieldOffset, clonedChild);
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310 }
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311 }
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312 for (long fieldOffset : nodeClass.childrenOffsets) {
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313 Node[] children = (Node[]) unsafe.getObject(orig, fieldOffset);
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314 if (children != null) {
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315 Node[] clonedChildren = children.clone();
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316 Arrays.fill(clonedChildren, null);
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317 for (int i = 0; i < children.length; i++) {
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318 Node clonedChild = cloneNode(children[i]);
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319 if (clonedChild == null) {
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320 return null;
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321 }
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322
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323 clonedChildren[i] = clonedChild;
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324 unsafe.putObject(clonedChild, nodeClass.parentOffset, clone);
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325 }
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326 unsafe.putObject(clone, fieldOffset, clonedChildren);
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327 }
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328 }
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329 return (T) clone;
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330 }
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331
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332 public static List<Node> findNodeChildren(Node node) {
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333 List<Node> nodes = new ArrayList<>();
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334 NodeClass nodeClass = NodeClass.get(node.getClass());
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335
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336 for (long fieldOffset : nodeClass.childOffsets) {
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337 Object child = unsafe.getObject(node, fieldOffset);
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338 if (child != null) {
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339 nodes.add((Node) child);
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340 }
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341 }
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342 for (long fieldOffset : nodeClass.childrenOffsets) {
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343 Node[] children = (Node[]) unsafe.getObject(node, fieldOffset);
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344 if (children != null) {
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345 nodes.addAll(Arrays.asList(children));
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346 }
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347 }
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348
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349 return nodes;
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350 }
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351
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352 public static void replaceChild(Node parent, Node oldChild, Node newChild) {
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353 NodeClass nodeClass = NodeClass.get(parent.getClass());
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354
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355 for (long fieldOffset : nodeClass.getChildOffsets()) {
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356 if (unsafe.getObject(parent, fieldOffset) == oldChild) {
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357 assert assertAssignable(nodeClass, fieldOffset, newChild);
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358 unsafe.putObject(parent, fieldOffset, newChild);
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359 }
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360 }
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361
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diff changeset
362 for (long fieldOffset : nodeClass.getChildrenOffsets()) {
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diff changeset
363 Object arrayObject = unsafe.getObject(parent, fieldOffset);
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diff changeset
364 if (arrayObject != null) {
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diff changeset
365 assert arrayObject instanceof Node[] : "Children array must be instanceof Node[] ";
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diff changeset
366 Node[] array = (Node[]) arrayObject;
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diff changeset
367 for (int i = 0; i < array.length; i++) {
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diff changeset
368 if (array[i] == oldChild) {
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diff changeset
369 assert assertAssignable(nodeClass, fieldOffset, newChild);
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diff changeset
370 array[i] = newChild;
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371 }
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372 }
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373 }
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374 }
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375 }
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376
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377 private static boolean assertAssignable(NodeClass clazz, long fieldOffset, Object newValue) {
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diff changeset
378 if (newValue == null) {
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diff changeset
379 return true;
99789440ce28 Truffle: Added assertions to replaceChild.
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diff changeset
380 }
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diff changeset
381 for (NodeField field : clazz.getFields()) {
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diff changeset
382 if (field.getOffset() == fieldOffset) {
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diff changeset
383 if (field.getKind() == NodeFieldKind.CHILD) {
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diff changeset
384 if (field.getType().isAssignableFrom(newValue.getClass())) {
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diff changeset
385 return true;
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diff changeset
386 } else {
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diff changeset
387 assert false : "Child class " + newValue.getClass().getName() + " is not assignable to field \"" + field.getName() + "\" of type " + field.getType().getName();
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388 return false;
b221e31d7b0b Truffle: revise NodeUtil.replaceChild assertion
Andreas Woess <andreas.woess@jku.at>
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389 }
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390 } else if (field.getKind() == NodeFieldKind.CHILDREN) {
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parents: 10742
diff changeset
391 if (field.getType().getComponentType().isAssignableFrom(newValue.getClass())) {
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Andreas Woess <andreas.woess@jku.at>
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diff changeset
392 return true;
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Andreas Woess <andreas.woess@jku.at>
parents: 10742
diff changeset
393 } else {
b221e31d7b0b Truffle: revise NodeUtil.replaceChild assertion
Andreas Woess <andreas.woess@jku.at>
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diff changeset
394 assert false : "Child class " + newValue.getClass().getName() + " is not assignable to field \"" + field.getName() + "\" of type " + field.getType().getName();
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Andreas Woess <andreas.woess@jku.at>
parents: 10742
diff changeset
395 return false;
b221e31d7b0b Truffle: revise NodeUtil.replaceChild assertion
Andreas Woess <andreas.woess@jku.at>
parents: 10742
diff changeset
396 }
10742
99789440ce28 Truffle: Added assertions to replaceChild.
Christian Humer <christian.humer@gmail.com>
parents: 10704
diff changeset
397 }
99789440ce28 Truffle: Added assertions to replaceChild.
Christian Humer <christian.humer@gmail.com>
parents: 10704
diff changeset
398 }
99789440ce28 Truffle: Added assertions to replaceChild.
Christian Humer <christian.humer@gmail.com>
parents: 10704
diff changeset
399 }
10755
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Andreas Woess <andreas.woess@jku.at>
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diff changeset
400 throw new IllegalArgumentException();
10742
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Christian Humer <christian.humer@gmail.com>
parents: 10704
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401 }
99789440ce28 Truffle: Added assertions to replaceChild.
Christian Humer <christian.humer@gmail.com>
parents: 10704
diff changeset
402
7267
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403 /** Returns all declared fields in the class hierarchy. */
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
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diff changeset
404 private static Field[] getAllFields(Class<? extends Object> clazz) {
7267
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parents:
diff changeset
405 Field[] declaredFields = clazz.getDeclaredFields();
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diff changeset
406 if (clazz.getSuperclass() != null) {
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diff changeset
407 return concat(getAllFields(clazz.getSuperclass()), declaredFields);
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diff changeset
408 }
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409 return declaredFields;
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410 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
411
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412 public static <T> T[] concat(T[] first, T[] second) {
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413 T[] result = Arrays.copyOf(first, first.length + second.length);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
414 System.arraycopy(second, 0, result, first.length, second.length);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
415 return result;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
416 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
417
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
418 /** find annotation in class/interface hierarchy. */
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7267
diff changeset
419 public static <T extends Annotation> T findAnnotation(Class<?> clazz, Class<T> annotationClass) {
7267
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parents:
diff changeset
420 if (clazz.getAnnotation(annotationClass) != null) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
421 return clazz.getAnnotation(annotationClass);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
422 } else {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
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diff changeset
423 for (Class<?> intf : clazz.getInterfaces()) {
7267
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
424 if (intf.getAnnotation(annotationClass) != null) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
425 return intf.getAnnotation(annotationClass);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
426 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
427 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
428 if (clazz.getSuperclass() != null) {
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
429 return findAnnotation(clazz.getSuperclass(), annotationClass);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
430 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
431 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
432 return null;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
433 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
434
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
435 @SuppressWarnings("unchecked")
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
436 public static <T extends Node> T findParent(final Node start, final Class<T> clazz) {
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
437 assert start != null;
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
438 if (clazz.isInstance(start.getParent())) {
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
439 return (T) start.getParent();
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
440 } else {
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
441 return start.getParent() != null ? findParent(start.getParent(), clazz) : null;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
442 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
443 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
444
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
445 @SuppressWarnings("unchecked")
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
446 public static <I> I findParentInterface(final Node start, final Class<I> clazz) {
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
447 assert start != null;
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
448 if (clazz.isInstance(start.getParent())) {
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
449 return (I) start.getParent();
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
450 } else {
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
451 return (start.getParent() != null ? findParentInterface(start.getParent(), clazz) : null);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
452 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
453 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
454
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
455 @SuppressWarnings("unchecked")
9537
e2965e5cd474 Fixed Truffle child iterator should only iterate children which are annotated with @Child or @Children.
Christian Humer <christian.humer@gmail.com>
parents: 9487
diff changeset
456 public static <T> T findFirstNodeInstance(Node root, Class<T> clazz) {
e2965e5cd474 Fixed Truffle child iterator should only iterate children which are annotated with @Child or @Children.
Christian Humer <christian.humer@gmail.com>
parents: 9487
diff changeset
457 for (Node childNode : findNodeChildren(root)) {
7267
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parents:
diff changeset
458 if (clazz.isInstance(childNode)) {
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
459 return (T) childNode;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
460 } else {
9487
0285fbb8b05d NodeUtil.findFirstNodeInstance bug fix
Andreas Woess <andreas.woess@jku.at>
parents: 9486
diff changeset
461 T node = findFirstNodeInstance(childNode, clazz);
0285fbb8b05d NodeUtil.findFirstNodeInstance bug fix
Andreas Woess <andreas.woess@jku.at>
parents: 9486
diff changeset
462 if (node != null) {
0285fbb8b05d NodeUtil.findFirstNodeInstance bug fix
Andreas Woess <andreas.woess@jku.at>
parents: 9486
diff changeset
463 return node;
0285fbb8b05d NodeUtil.findFirstNodeInstance bug fix
Andreas Woess <andreas.woess@jku.at>
parents: 9486
diff changeset
464 }
7267
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diff changeset
465 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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parents:
diff changeset
466 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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diff changeset
467 return null;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
468 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
469
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
470 public static <T extends Node> List<T> findAllNodeInstances(final Node root, final Class<T> clazz) {
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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diff changeset
471 final List<T> nodeList = new ArrayList<>();
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
472 root.accept(new NodeVisitor() {
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
473
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474 @SuppressWarnings("unchecked")
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475 @Override
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476 public boolean visit(Node node) {
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477 if (clazz.isInstance(node)) {
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478 nodeList.add((T) node);
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479 }
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480 return true;
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481 }
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482 });
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483 return nodeList;
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484 }
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485
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486 // Don't visit found node instances.
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487 public static <T extends Node> List<T> findNodeInstancesShallow(final Node root, final Class<T> clazz) {
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488 final List<T> nodeList = new ArrayList<>();
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489 root.accept(new NodeVisitor() {
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490
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491 @SuppressWarnings("unchecked")
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492 @Override
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493 public boolean visit(Node node) {
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494 if (clazz.isInstance(node)) {
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495 nodeList.add((T) node);
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496 return false;
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497 }
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498 return true;
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499 }
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500 });
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501 return nodeList;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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502 }
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503
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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504 /** Find node instances within current function only (not in nested functions). */
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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505 public static <T extends Node> List<T> findNodeInstancesInFunction(final Node root, final Class<T> clazz) {
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506 final List<T> nodeList = new ArrayList<>();
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507 root.accept(new NodeVisitor() {
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508
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509 @SuppressWarnings("unchecked")
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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diff changeset
510 @Override
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511 public boolean visit(Node node) {
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512 if (clazz.isInstance(node)) {
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diff changeset
513 nodeList.add((T) node);
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514 } else if (node instanceof RootNode && node != root) {
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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515 return false;
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516 }
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517 return true;
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518 }
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519 });
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
520 return nodeList;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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521 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
522
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
523 public static <I> List<I> findNodeInstancesInFunctionInterface(final Node root, final Class<I> clazz) {
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
524 final List<I> nodeList = new ArrayList<>();
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
525 root.accept(new NodeVisitor() {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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526
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
527 @SuppressWarnings("unchecked")
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
528 @Override
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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529 public boolean visit(Node node) {
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
530 if (clazz.isInstance(node)) {
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
531 nodeList.add((I) node);
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
532 } else if (node instanceof RootNode && node != root) {
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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533 return false;
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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534 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
535 return true;
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
536 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
537 });
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
538 return nodeList;
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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parents:
diff changeset
539 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
540
10704
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
541 public static int countNodes(Node root) {
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
542 NodeCountVisitor nodeCount = new NodeCountVisitor();
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
543 root.accept(nodeCount);
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
544 return nodeCount.nodeCount;
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
545 }
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
546
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
547 private static class NodeCountVisitor implements NodeVisitor {
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
548
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
549 int nodeCount;
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
550
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
551 @Override
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
552 public boolean visit(Node node) {
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
553 if (node instanceof RootNode && nodeCount > 0) {
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
554 return false;
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
555 }
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
556 nodeCount++;
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
557 return true;
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
558 }
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
559 }
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
560
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
561 public static String printCompactTreeToString(Node node) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
562 StringWriter out = new StringWriter();
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
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parents: 9538
diff changeset
563 printCompactTree(new PrintWriter(out), null, node, 1);
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
564 return out.toString();
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
565 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
566
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
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parents: 9538
diff changeset
567 public static void printCompactTree(OutputStream out, Node node) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
568 printCompactTree(new PrintWriter(out), null, node, 1);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
569 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
570
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
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diff changeset
571 private static void printCompactTree(PrintWriter p, Node parent, Node node, int level) {
9538
e6fe35d64b71 Implemented a method to produce a compact string representation of the truffle tree which just shows the nodes and their children but no data fields.
Christian Humer <christian.humer@gmail.com>
parents: 9537
diff changeset
572 if (node == null) {
e6fe35d64b71 Implemented a method to produce a compact string representation of the truffle tree which just shows the nodes and their children but no data fields.
Christian Humer <christian.humer@gmail.com>
parents: 9537
diff changeset
573 return;
e6fe35d64b71 Implemented a method to produce a compact string representation of the truffle tree which just shows the nodes and their children but no data fields.
Christian Humer <christian.humer@gmail.com>
parents: 9537
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574 }
e6fe35d64b71 Implemented a method to produce a compact string representation of the truffle tree which just shows the nodes and their children but no data fields.
Christian Humer <christian.humer@gmail.com>
parents: 9537
diff changeset
575 for (int i = 0; i < level; i++) {
e6fe35d64b71 Implemented a method to produce a compact string representation of the truffle tree which just shows the nodes and their children but no data fields.
Christian Humer <christian.humer@gmail.com>
parents: 9537
diff changeset
576 p.print(" ");
e6fe35d64b71 Implemented a method to produce a compact string representation of the truffle tree which just shows the nodes and their children but no data fields.
Christian Humer <christian.humer@gmail.com>
parents: 9537
diff changeset
577 }
e6fe35d64b71 Implemented a method to produce a compact string representation of the truffle tree which just shows the nodes and their children but no data fields.
Christian Humer <christian.humer@gmail.com>
parents: 9537
diff changeset
578 if (parent == null) {
e6fe35d64b71 Implemented a method to produce a compact string representation of the truffle tree which just shows the nodes and their children but no data fields.
Christian Humer <christian.humer@gmail.com>
parents: 9537
diff changeset
579 p.println(node.getClass().getSimpleName());
e6fe35d64b71 Implemented a method to produce a compact string representation of the truffle tree which just shows the nodes and their children but no data fields.
Christian Humer <christian.humer@gmail.com>
parents: 9537
diff changeset
580 } else {
9754
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Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
581 String fieldName = "unknownField";
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
582 NodeField[] fields = NodeClass.get(parent.getClass()).fields;
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
583 for (NodeField field : fields) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
584 Object value = field.loadValue(parent);
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
585 if (value == node) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
586 fieldName = field.getName();
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
587 break;
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
588 } else if (value instanceof Node[]) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
589 int index = 0;
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
590 for (Node arrayNode : (Node[]) value) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
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parents: 9538
diff changeset
591 if (arrayNode == node) {
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Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
592 fieldName = field.getName() + "[" + index + "]";
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
593 break;
9538
e6fe35d64b71 Implemented a method to produce a compact string representation of the truffle tree which just shows the nodes and their children but no data fields.
Christian Humer <christian.humer@gmail.com>
parents: 9537
diff changeset
594 }
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
595 index++;
9538
e6fe35d64b71 Implemented a method to produce a compact string representation of the truffle tree which just shows the nodes and their children but no data fields.
Christian Humer <christian.humer@gmail.com>
parents: 9537
diff changeset
596 }
e6fe35d64b71 Implemented a method to produce a compact string representation of the truffle tree which just shows the nodes and their children but no data fields.
Christian Humer <christian.humer@gmail.com>
parents: 9537
diff changeset
597 }
e6fe35d64b71 Implemented a method to produce a compact string representation of the truffle tree which just shows the nodes and their children but no data fields.
Christian Humer <christian.humer@gmail.com>
parents: 9537
diff changeset
598 }
e6fe35d64b71 Implemented a method to produce a compact string representation of the truffle tree which just shows the nodes and their children but no data fields.
Christian Humer <christian.humer@gmail.com>
parents: 9537
diff changeset
599 p.print(fieldName);
e6fe35d64b71 Implemented a method to produce a compact string representation of the truffle tree which just shows the nodes and their children but no data fields.
Christian Humer <christian.humer@gmail.com>
parents: 9537
diff changeset
600 p.print(" = ");
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Christian Humer <christian.humer@gmail.com>
parents: 9537
diff changeset
601 p.println(node.getClass().getSimpleName());
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Christian Humer <christian.humer@gmail.com>
parents: 9537
diff changeset
602 }
e6fe35d64b71 Implemented a method to produce a compact string representation of the truffle tree which just shows the nodes and their children but no data fields.
Christian Humer <christian.humer@gmail.com>
parents: 9537
diff changeset
603
e6fe35d64b71 Implemented a method to produce a compact string representation of the truffle tree which just shows the nodes and their children but no data fields.
Christian Humer <christian.humer@gmail.com>
parents: 9537
diff changeset
604 for (Node child : node.getChildren()) {
e6fe35d64b71 Implemented a method to produce a compact string representation of the truffle tree which just shows the nodes and their children but no data fields.
Christian Humer <christian.humer@gmail.com>
parents: 9537
diff changeset
605 printCompactTree(p, node, child, level + 1);
e6fe35d64b71 Implemented a method to produce a compact string representation of the truffle tree which just shows the nodes and their children but no data fields.
Christian Humer <christian.humer@gmail.com>
parents: 9537
diff changeset
606 }
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
607 p.flush();
9538
e6fe35d64b71 Implemented a method to produce a compact string representation of the truffle tree which just shows the nodes and their children but no data fields.
Christian Humer <christian.humer@gmail.com>
parents: 9537
diff changeset
608 }
e6fe35d64b71 Implemented a method to produce a compact string representation of the truffle tree which just shows the nodes and their children but no data fields.
Christian Humer <christian.humer@gmail.com>
parents: 9537
diff changeset
609
7267
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
610 /**
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
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parents: 9538
diff changeset
611 * Prints a human readable form of a {@link Node} AST to the given {@link PrintStream}. This
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
612 * print method does not check for cycles in the node structure.
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7267
diff changeset
613 *
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
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diff changeset
614 * @param out the stream to print to.
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
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diff changeset
615 * @param node the root node to write
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
616 */
9754
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diff changeset
617 public static void printTree(OutputStream out, Node node) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
618 printTree(new PrintWriter(out), node);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
619 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
620
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
621 public static String printTreeToString(Node node) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
622 StringWriter out = new StringWriter();
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
623 printTree(new PrintWriter(out), node);
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
624 return out.toString();
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
625 }
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
626
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
627 public static void printTree(PrintWriter p, Node node) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
628 printTree(p, node, 1);
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
629 p.println();
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
630 p.flush();
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
631 }
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
632
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
633 private static void printTree(PrintWriter p, Node node, int level) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
634 if (node == null) {
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
635 p.print("null");
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
636 return;
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
637 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
638
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
639 p.print(node.getClass().getSimpleName());
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
640
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
641 ArrayList<NodeField> childFields = new ArrayList<>();
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
642 String sep = "";
7267
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
643 p.print("(");
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
644 for (NodeField field : NodeClass.get(node.getClass()).fields) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
645 if (field.getKind() == NodeFieldKind.CHILD || field.getKind() == NodeFieldKind.CHILDREN) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
646 childFields.add(field);
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
647 } else if (field.getKind() == NodeFieldKind.DATA) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
648 p.print(sep);
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
649 sep = ", ";
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
650
9754
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diff changeset
651 p.print(field.getName());
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
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parents: 9538
diff changeset
652 p.print(" = ");
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
653 p.print(field.loadValue(node));
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
654 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
655 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
656 p.print(")");
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
657
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
658 if (childFields.size() != 0) {
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
659 p.print(" {");
9754
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Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
660 for (NodeField field : childFields) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
661 printNewLine(p, level);
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
662 p.print(field.getName());
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
663
9754
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parents: 9538
diff changeset
664 Object value = field.loadValue(node);
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
665 if (value == null) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
666 p.print(" = null ");
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
667 } else if (field.getKind() == NodeFieldKind.CHILD) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
668 p.print(" = ");
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
669 printTree(p, (Node) value, level + 1);
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
670 } else if (field.getKind() == NodeFieldKind.CHILDREN) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
671 Node[] children = (Node[]) value;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
672 p.print(" = [");
9754
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diff changeset
673 sep = "";
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
674 for (Node child : children) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
675 p.print(sep);
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
676 sep = ", ";
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
677 printTree(p, child, level + 1);
7267
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
678 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
679 p.print("]");
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
680 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
681 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
682 printNewLine(p, level - 1);
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
683 p.print("}");
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
684 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
685 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
686
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
687 private static void printNewLine(PrintWriter p, int level) {
7267
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
688 p.println();
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
689 for (int i = 0; i < level; i++) {
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
690 p.print(" ");
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
691 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
692 }
10742
99789440ce28 Truffle: Added assertions to replaceChild.
Christian Humer <christian.humer@gmail.com>
parents: 10704
diff changeset
693
7267
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
694 }