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annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/NodeUtil.java @ 10756:7f6580db1e88

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Truffle: add assertions to verify the finalness of child fields.
author Andreas Woess <andreas.woess@jku.at>
date Mon, 15 Jul 2013 14:49:40 +0200
parents b221e31d7b0b
children 6e12e0ace0d5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 assert !Modifier.isFinal(field.getModifiers()) : "child field must not be final (\"" + field.getName() + "\", " + clazz + ")";
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167 } else if (field.getType().isArray() && Node.class.isAssignableFrom(field.getType().getComponentType()) && field.getAnnotation(Children.class) != null) {
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168 kind = NodeFieldKind.CHILDREN;
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169 childrenOffsetsList.add(fieldOffsetProvider.objectFieldOffset(field));
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170 assert Modifier.isFinal(field.getModifiers()) : "children array field must be final (\"" + field.getName() + "\", " + clazz + ")";
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171 } else {
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172 kind = NodeFieldKind.DATA;
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173 }
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174 fieldsList.add(new NodeField(kind, field.getType(), field.getName(), fieldOffsetProvider.objectFieldOffset(field)));
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175 }
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176 this.fields = fieldsList.toArray(new NodeField[fieldsList.size()]);
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177 assert parentOffsetsList.size() == 1 : "must have exactly one parent field";
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178 this.parentOffset = parentOffsetsList.get(0);
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179 this.childOffsets = toLongArray(childOffsetsList);
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180 this.childrenOffsets = toLongArray(childrenOffsetsList);
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181 }
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182
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183 public NodeField[] getFields() {
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184 return fields;
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185 }
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186
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187 public long getParentOffset() {
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188 return parentOffset;
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189 }
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190
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191 public long[] getChildOffsets() {
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192 return childOffsets;
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193 }
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194
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195 public long[] getChildrenOffsets() {
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196 return childrenOffsets;
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197 }
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198 }
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199
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200 static class NodeIterator implements Iterator<Node> {
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201
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202 private final Node node;
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203 private final NodeClass nodeClass;
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204 private final int childrenCount;
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205 private int index;
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206
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207 protected NodeIterator(Node node) {
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208 this.node = node;
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209 this.index = 0;
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210 this.nodeClass = NodeClass.get(node.getClass());
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211 this.childrenCount = childrenCount();
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212 }
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213
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214 private int childrenCount() {
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215 int nodeCount = nodeClass.childOffsets.length;
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216 for (long fieldOffset : nodeClass.childrenOffsets) {
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217 Node[] children = ((Node[]) unsafe.getObject(node, fieldOffset));
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218 if (children != null) {
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219 nodeCount += children.length;
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220 }
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221 }
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222 return nodeCount;
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223 }
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224
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225 private Node nodeAt(int idx) {
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226 int nodeCount = nodeClass.childOffsets.length;
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227 if (idx < nodeCount) {
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228 return (Node) unsafe.getObject(node, nodeClass.childOffsets[idx]);
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229 } else {
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230 for (long fieldOffset : nodeClass.childrenOffsets) {
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231 Node[] nodeArray = (Node[]) unsafe.getObject(node, fieldOffset);
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232 if (idx < nodeCount + nodeArray.length) {
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233 return nodeArray[idx - nodeCount];
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234 }
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235 nodeCount += nodeArray.length;
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236 }
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237 }
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238 return null;
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239 }
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240
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241 private void forward() {
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242 if (index < childrenCount) {
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243 index++;
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244 }
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245 }
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246
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247 @Override
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248 public boolean hasNext() {
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249 return index < childrenCount;
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250 }
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251
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252 @Override
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253 public Node next() {
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254 try {
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255 return nodeAt(index);
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256 } finally {
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257 forward();
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258 }
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259 }
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260
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261 @Override
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262 public void remove() {
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263 throw new UnsupportedOperationException();
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264 }
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265 }
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266
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267 private static long[] toLongArray(List<Long> list) {
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268 long[] array = new long[list.size()];
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269 for (int i = 0; i < list.size(); i++) {
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270 array[i] = list.get(i);
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271 }
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272 return array;
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273 }
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274
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275 protected static final Unsafe unsafe = getUnsafe();
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276
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277 private static Unsafe getUnsafe() {
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278 try {
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279 return Unsafe.getUnsafe();
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280 } catch (SecurityException e) {
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281 }
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282 try {
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283 Field theUnsafeInstance = Unsafe.class.getDeclaredField("theUnsafe");
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284 theUnsafeInstance.setAccessible(true);
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285 return (Unsafe) theUnsafeInstance.get(Unsafe.class);
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286 } catch (Exception e) {
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287 throw new RuntimeException("exception while trying to get Unsafe.theUnsafe via reflection:", e);
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288 }
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289 }
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290
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291 @SuppressWarnings("unchecked")
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292 public static <T extends Node> T cloneNode(T orig) {
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293 Class<? extends Node> clazz = orig.getClass();
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294 NodeClass nodeClass = NodeClass.get(clazz);
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295 Node clone = orig.copy();
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296 if (clone == null) {
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297 return null;
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298 }
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299
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300 unsafe.putObject(clone, nodeClass.parentOffset, null);
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301
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302 for (long fieldOffset : nodeClass.childOffsets) {
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303 Node child = (Node) unsafe.getObject(orig, fieldOffset);
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304 if (child != null) {
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305 Node clonedChild = cloneNode(child);
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306 if (clonedChild == null) {
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307 return null;
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308 }
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309
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310 unsafe.putObject(clonedChild, nodeClass.parentOffset, clone);
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311 unsafe.putObject(clone, fieldOffset, clonedChild);
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312 }
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313 }
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314 for (long fieldOffset : nodeClass.childrenOffsets) {
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315 Node[] children = (Node[]) unsafe.getObject(orig, fieldOffset);
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316 if (children != null) {
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317 Node[] clonedChildren = children.clone();
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318 Arrays.fill(clonedChildren, null);
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319 for (int i = 0; i < children.length; i++) {
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320 Node clonedChild = cloneNode(children[i]);
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321 if (clonedChild == null) {
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322 return null;
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323 }
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324
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325 clonedChildren[i] = clonedChild;
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326 unsafe.putObject(clonedChild, nodeClass.parentOffset, clone);
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327 }
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328 unsafe.putObject(clone, fieldOffset, clonedChildren);
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329 }
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330 }
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331 return (T) clone;
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332 }
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333
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334 public static List<Node> findNodeChildren(Node node) {
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335 List<Node> nodes = new ArrayList<>();
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336 NodeClass nodeClass = NodeClass.get(node.getClass());
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337
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338 for (long fieldOffset : nodeClass.childOffsets) {
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339 Object child = unsafe.getObject(node, fieldOffset);
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340 if (child != null) {
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341 nodes.add((Node) child);
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342 }
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343 }
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344 for (long fieldOffset : nodeClass.childrenOffsets) {
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345 Node[] children = (Node[]) unsafe.getObject(node, fieldOffset);
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346 if (children != null) {
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347 nodes.addAll(Arrays.asList(children));
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348 }
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349 }
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350
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351 return nodes;
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352 }
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353
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354 public static void replaceChild(Node parent, Node oldChild, Node newChild) {
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355 NodeClass nodeClass = NodeClass.get(parent.getClass());
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356
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357 for (long fieldOffset : nodeClass.getChildOffsets()) {
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358 if (unsafe.getObject(parent, fieldOffset) == oldChild) {
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359 assert assertAssignable(nodeClass, fieldOffset, newChild);
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360 unsafe.putObject(parent, fieldOffset, newChild);
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361 }
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362 }
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363
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364 for (long fieldOffset : nodeClass.getChildrenOffsets()) {
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365 Object arrayObject = unsafe.getObject(parent, fieldOffset);
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366 if (arrayObject != null) {
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367 assert arrayObject instanceof Node[] : "Children array must be instanceof Node[] ";
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368 Node[] array = (Node[]) arrayObject;
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369 for (int i = 0; i < array.length; i++) {
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diff changeset
370 if (array[i] == oldChild) {
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371 assert assertAssignable(nodeClass, fieldOffset, newChild);
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372 array[i] = newChild;
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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 }
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378
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379 private static boolean assertAssignable(NodeClass clazz, long fieldOffset, Object newValue) {
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diff changeset
380 if (newValue == null) {
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381 return true;
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382 }
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383 for (NodeField field : clazz.getFields()) {
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diff changeset
384 if (field.getOffset() == fieldOffset) {
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diff changeset
385 if (field.getKind() == NodeFieldKind.CHILD) {
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diff changeset
386 if (field.getType().isAssignableFrom(newValue.getClass())) {
b221e31d7b0b Truffle: revise NodeUtil.replaceChild assertion
Andreas Woess <andreas.woess@jku.at>
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diff changeset
387 return true;
b221e31d7b0b Truffle: revise NodeUtil.replaceChild assertion
Andreas Woess <andreas.woess@jku.at>
parents: 10742
diff changeset
388 } else {
b221e31d7b0b Truffle: revise NodeUtil.replaceChild assertion
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diff changeset
389 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
390 return false;
b221e31d7b0b Truffle: revise NodeUtil.replaceChild assertion
Andreas Woess <andreas.woess@jku.at>
parents: 10742
diff changeset
391 }
b221e31d7b0b Truffle: revise NodeUtil.replaceChild assertion
Andreas Woess <andreas.woess@jku.at>
parents: 10742
diff changeset
392 } else if (field.getKind() == NodeFieldKind.CHILDREN) {
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Andreas Woess <andreas.woess@jku.at>
parents: 10742
diff changeset
393 if (field.getType().getComponentType().isAssignableFrom(newValue.getClass())) {
b221e31d7b0b Truffle: revise NodeUtil.replaceChild assertion
Andreas Woess <andreas.woess@jku.at>
parents: 10742
diff changeset
394 return true;
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Andreas Woess <andreas.woess@jku.at>
parents: 10742
diff changeset
395 } else {
b221e31d7b0b Truffle: revise NodeUtil.replaceChild assertion
Andreas Woess <andreas.woess@jku.at>
parents: 10742
diff changeset
396 assert false : "Child class " + newValue.getClass().getName() + " is not assignable to field \"" + field.getName() + "\" of type " + field.getType().getName();
b221e31d7b0b Truffle: revise NodeUtil.replaceChild assertion
Andreas Woess <andreas.woess@jku.at>
parents: 10742
diff changeset
397 return false;
b221e31d7b0b Truffle: revise NodeUtil.replaceChild assertion
Andreas Woess <andreas.woess@jku.at>
parents: 10742
diff changeset
398 }
10742
99789440ce28 Truffle: Added assertions to replaceChild.
Christian Humer <christian.humer@gmail.com>
parents: 10704
diff changeset
399 }
99789440ce28 Truffle: Added assertions to replaceChild.
Christian Humer <christian.humer@gmail.com>
parents: 10704
diff changeset
400 }
99789440ce28 Truffle: Added assertions to replaceChild.
Christian Humer <christian.humer@gmail.com>
parents: 10704
diff changeset
401 }
10755
b221e31d7b0b Truffle: revise NodeUtil.replaceChild assertion
Andreas Woess <andreas.woess@jku.at>
parents: 10742
diff changeset
402 throw new IllegalArgumentException();
10742
99789440ce28 Truffle: Added assertions to replaceChild.
Christian Humer <christian.humer@gmail.com>
parents: 10704
diff changeset
403 }
99789440ce28 Truffle: Added assertions to replaceChild.
Christian Humer <christian.humer@gmail.com>
parents: 10704
diff changeset
404
7267
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diff changeset
405 /** 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>
parents: 9538
diff changeset
406 private static Field[] getAllFields(Class<? extends Object> clazz) {
7267
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parents:
diff changeset
407 Field[] declaredFields = clazz.getDeclaredFields();
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parents:
diff changeset
408 if (clazz.getSuperclass() != null) {
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diff changeset
409 return concat(getAllFields(clazz.getSuperclass()), declaredFields);
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parents:
diff changeset
410 }
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diff changeset
411 return declaredFields;
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parents:
diff changeset
412 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
413
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
414 public static <T> T[] concat(T[] first, T[] second) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
415 T[] result = Arrays.copyOf(first, first.length + second.length);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
416 System.arraycopy(second, 0, result, first.length, second.length);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
417 return result;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
418 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
419
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
420 /** 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
421 public static <T extends Annotation> T findAnnotation(Class<?> clazz, Class<T> annotationClass) {
7267
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parents:
diff changeset
422 if (clazz.getAnnotation(annotationClass) != null) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
423 return clazz.getAnnotation(annotationClass);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
424 } else {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7267
diff changeset
425 for (Class<?> intf : clazz.getInterfaces()) {
7267
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
426 if (intf.getAnnotation(annotationClass) != 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
427 return intf.getAnnotation(annotationClass);
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
428 }
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
429 }
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
430 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>
parents:
diff changeset
431 return findAnnotation(clazz.getSuperclass(), annotationClass);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
432 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
433 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
434 return 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
435 }
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
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 @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
438 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
439 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
440 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
441 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
442 } 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
443 return start.getParent() != null ? findParent(start.getParent(), clazz) : null;
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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 }
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
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 @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
448 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
449 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
450 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
451 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
452 } 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
453 return (start.getParent() != null ? findParentInterface(start.getParent(), clazz) : 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
454 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
455 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
456
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
457 @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
458 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
459 for (Node childNode : findNodeChildren(root)) {
7267
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
460 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
461 return (T) childNode;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
462 } else {
9487
0285fbb8b05d NodeUtil.findFirstNodeInstance bug fix
Andreas Woess <andreas.woess@jku.at>
parents: 9486
diff changeset
463 T node = findFirstNodeInstance(childNode, clazz);
0285fbb8b05d NodeUtil.findFirstNodeInstance bug fix
Andreas Woess <andreas.woess@jku.at>
parents: 9486
diff changeset
464 if (node != null) {
0285fbb8b05d NodeUtil.findFirstNodeInstance bug fix
Andreas Woess <andreas.woess@jku.at>
parents: 9486
diff changeset
465 return node;
0285fbb8b05d NodeUtil.findFirstNodeInstance bug fix
Andreas Woess <andreas.woess@jku.at>
parents: 9486
diff changeset
466 }
7267
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diff changeset
467 }
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
468 }
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
469 return 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
470 }
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
471
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
472 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
473 final List<T> nodeList = new ArrayList<>();
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parents:
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474 root.accept(new NodeVisitor() {
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475
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476 @SuppressWarnings("unchecked")
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477 @Override
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478 public boolean visit(Node node) {
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479 if (clazz.isInstance(node)) {
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480 nodeList.add((T) node);
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481 }
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482 return true;
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483 }
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484 });
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485 return nodeList;
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486 }
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487
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488 // Don't visit found node instances.
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489 public static <T extends Node> List<T> findNodeInstancesShallow(final Node root, final Class<T> clazz) {
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490 final List<T> nodeList = new ArrayList<>();
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491 root.accept(new NodeVisitor() {
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492
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493 @SuppressWarnings("unchecked")
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494 @Override
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495 public boolean visit(Node node) {
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496 if (clazz.isInstance(node)) {
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497 nodeList.add((T) node);
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498 return false;
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499 }
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500 return true;
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501 }
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502 });
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503 return nodeList;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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504 }
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505
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506 /** Find node instances within current function only (not in nested functions). */
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507 public static <T extends Node> List<T> findNodeInstancesInFunction(final Node root, final Class<T> clazz) {
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508 final List<T> nodeList = new ArrayList<>();
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509 root.accept(new NodeVisitor() {
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510
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511 @SuppressWarnings("unchecked")
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512 @Override
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513 public boolean visit(Node node) {
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514 if (clazz.isInstance(node)) {
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515 nodeList.add((T) node);
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516 } else if (node instanceof RootNode && node != root) {
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517 return false;
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518 }
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519 return true;
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520 }
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521 });
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diff changeset
522 return nodeList;
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diff changeset
523 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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524
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
525 public static <I> List<I> findNodeInstancesInFunctionInterface(final Node root, final Class<I> clazz) {
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diff changeset
526 final List<I> nodeList = new ArrayList<>();
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diff changeset
527 root.accept(new NodeVisitor() {
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diff changeset
528
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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529 @SuppressWarnings("unchecked")
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
530 @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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diff changeset
531 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>
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diff changeset
532 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>
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diff changeset
533 nodeList.add((I) node);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
534 } else if (node instanceof RootNode && node != root) {
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diff changeset
535 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.
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diff changeset
536 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
537 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>
parents:
diff changeset
538 }
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diff changeset
539 });
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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540 return nodeList;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
541 }
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
542
10704
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
543 public static int countNodes(Node root) {
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
544 NodeCountVisitor nodeCount = new NodeCountVisitor();
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
545 root.accept(nodeCount);
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
546 return nodeCount.nodeCount;
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
547 }
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 private static class NodeCountVisitor implements NodeVisitor {
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 int nodeCount;
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
552
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
553 @Override
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
554 public boolean visit(Node node) {
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
555 if (node instanceof RootNode && nodeCount > 0) {
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
556 return false;
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
557 }
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
558 nodeCount++;
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
559 return true;
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
560 }
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
561 }
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
562
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
563 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
564 StringWriter out = new StringWriter();
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
565 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
566 return out.toString();
7267
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
567 }
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
568
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
569 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
570 printCompactTree(new PrintWriter(out), null, node, 1);
7267
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
571 }
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
572
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
573 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
574 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
575 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
diff changeset
576 }
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 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
578 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
579 }
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 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
581 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
582 } else {
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
583 String fieldName = "unknownField";
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
584 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
585 for (NodeField field : fields) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
586 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
587 if (value == node) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
588 fieldName = field.getName();
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
589 break;
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
590 } 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
591 int index = 0;
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
592 for (Node arrayNode : (Node[]) value) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
593 if (arrayNode == node) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
594 fieldName = field.getName() + "[" + index + "]";
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
595 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
596 }
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
597 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
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 }
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 }
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
601 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
602 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
603 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
604 }
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
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 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
607 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
608 }
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
609 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
610 }
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
611
7267
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
612 /**
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
613 * 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
614 * 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
615 *
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
616 * @param out the stream to print to.
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
617 * @param node the root node to write
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
618 */
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
619 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
620 printTree(new PrintWriter(out), node);
7267
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
621 }
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
622
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
623 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
624 StringWriter out = new StringWriter();
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
625 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
626 return out.toString();
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
627 }
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
628
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
629 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
630 printTree(p, node, 1);
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
631 p.println();
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
632 p.flush();
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
633 }
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
634
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
635 private static void printTree(PrintWriter p, Node node, int level) {
7267
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
636 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
637 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
638 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
639 }
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
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
641 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
642
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
643 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
644 String sep = "";
7267
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
645 p.print("(");
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
646 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
647 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
648 childFields.add(field);
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
649 } 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
650 p.print(sep);
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
651 sep = ", ";
7267
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
652
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
653 p.print(field.getName());
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
654 p.print(" = ");
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
655 p.print(field.loadValue(node));
7267
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
656 }
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 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
659
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
660 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
661 p.print(" {");
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
662 for (NodeField field : childFields) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
663 printNewLine(p, level);
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
664 p.print(field.getName());
7267
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
665
9754
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Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
666 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
667 if (value == null) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
668 p.print(" = null ");
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
669 } 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
670 p.print(" = ");
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
671 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
672 } 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
673 Node[] children = (Node[]) value;
7267
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674 p.print(" = [");
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98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
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675 sep = "";
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676 for (Node child : children) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
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677 p.print(sep);
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678 sep = ", ";
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
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679 printTree(p, child, level + 1);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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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>
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681 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.
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parents:
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682 }
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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683 }
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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684 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:
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685 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:
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686 }
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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687 }
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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688
9754
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Christian Wimmer <christian.wimmer@oracle.com>
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689 private static void printNewLine(PrintWriter p, int level) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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690 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:
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691 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>
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692 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>
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693 }
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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694 }
10742
99789440ce28 Truffle: Added assertions to replaceChild.
Christian Humer <christian.humer@gmail.com>
parents: 10704
diff changeset
695
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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696 }