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annotate truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/NodeUtil.java @ 22080:65e9fbb40e51

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avoid publishing unadopted children in node replacement to fix potential race
author Andreas Woess <andreas.woess@oracle.com>
date Thu, 13 Aug 2015 18:22:22 +0200
parents b2d1c8ff592a
children dc83cc1f94f2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2012, 2015, 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. Oracle designates this
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8 * particular file as subject to the "Classpath" exception as provided
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9 * by Oracle in the LICENSE file that accompanied this code.
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10 *
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11 * This code is distributed in the hope that it will be useful, but WITHOUT
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 * version 2 for more details (a copy is included in the LICENSE file that
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15 * accompanied this code).
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16 *
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17 * You should have received a copy of the GNU General Public License version
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18 * 2 along with this work; if not, write to the Free Software Foundation,
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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20 *
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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22 * or visit www.oracle.com if you need additional information or have any
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23 * questions.
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24 */
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25 package com.oracle.truffle.api.nodes;
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26
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27 import java.io.*;
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28 import java.lang.annotation.*;
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29 import java.lang.reflect.*;
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30 import java.util.*;
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31
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32 import sun.misc.*;
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33
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34 import com.oracle.truffle.api.*;
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35 import com.oracle.truffle.api.instrument.*;
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36 import com.oracle.truffle.api.instrument.ProbeNode.WrapperNode;
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37 import com.oracle.truffle.api.nodes.NodeFieldAccessor.NodeFieldKind;
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38 import com.oracle.truffle.api.source.*;
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39
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40 /**
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41 * Utility class that manages the special access methods for node instances.
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42 */
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43 public final class NodeUtil {
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44
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45 /**
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46 * Interface that allows the customization of field offsets used for {@link Unsafe} field
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47 * accesses.
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48 */
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49 public interface FieldOffsetProvider {
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50
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51 long objectFieldOffset(Field field);
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52
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53 int getTypeSize(Class<?> clazz);
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54 }
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55
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56 static Iterator<Node> makeIterator(Node node) {
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57 return node.getNodeClass().makeIterator(node);
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58 }
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59
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60 public static Iterator<Node> makeRecursiveIterator(Node node) {
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61 return new RecursiveNodeIterator(node);
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62 }
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63
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64 private static final class RecursiveNodeIterator implements Iterator<Node> {
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65 private final List<Iterator<Node>> iteratorStack = new ArrayList<>();
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66
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67 public RecursiveNodeIterator(final Node node) {
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68 iteratorStack.add(new Iterator<Node>() {
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69
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70 private boolean visited;
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71
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72 public void remove() {
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73 throw new UnsupportedOperationException();
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74 }
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75
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76 public Node next() {
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77 if (visited) {
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78 throw new NoSuchElementException();
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79 }
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80 visited = true;
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81 return node;
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82 }
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83
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84 public boolean hasNext() {
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85 return !visited;
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86 }
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87 });
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88 }
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89
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90 public boolean hasNext() {
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91 return peekIterator() != null;
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92 }
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93
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94 public Node next() {
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95 Iterator<Node> iterator = peekIterator();
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96 if (iterator == null) {
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97 throw new NoSuchElementException();
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98 }
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99
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100 Node node = iterator.next();
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101 if (node != null) {
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102 Iterator<Node> childIterator = makeIterator(node);
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103 if (childIterator.hasNext()) {
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104 iteratorStack.add(childIterator);
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105 }
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106 }
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107 return node;
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108 }
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109
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110 private Iterator<Node> peekIterator() {
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111 int tos = iteratorStack.size() - 1;
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112 while (tos >= 0) {
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113 Iterator<Node> iterable = iteratorStack.get(tos);
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114 if (iterable.hasNext()) {
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115 return iterable;
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116 } else {
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117 iteratorStack.remove(tos--);
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118 }
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119 }
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120 return null;
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121 }
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122
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123 public void remove() {
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124 throw new UnsupportedOperationException();
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125 }
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126 }
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127
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128 @SuppressWarnings("unchecked")
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129 public static <T extends Node> T cloneNode(T orig) {
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130 return (T) orig.deepCopy();
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131 }
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132
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133 static Node deepCopyImpl(Node orig) {
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134 CompilerAsserts.neverPartOfCompilation();
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135 final Node clone = orig.copy();
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136 NodeClass nodeClass = clone.getNodeClass();
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137
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138 nodeClass.getParentField().putObject(clone, null);
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139
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140 for (NodeFieldAccessor childField : nodeClass.getChildFields()) {
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141 Node child = (Node) childField.getObject(orig);
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142 if (child != null) {
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143 Node clonedChild = child.deepCopy();
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144 nodeClass.getParentField().putObject(clonedChild, clone);
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145 childField.putObject(clone, clonedChild);
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146 }
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147 }
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148 for (NodeFieldAccessor childrenField : nodeClass.getChildrenFields()) {
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149 Object[] children = (Object[]) childrenField.getObject(orig);
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150 if (children != null) {
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151 Object[] clonedChildren = (Object[]) Array.newInstance(children.getClass().getComponentType(), children.length);
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152 for (int i = 0; i < children.length; i++) {
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153 if (children[i] != null) {
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154 Node clonedChild = ((Node) children[i]).deepCopy();
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155 clonedChildren[i] = clonedChild;
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156 nodeClass.getParentField().putObject(clonedChild, clone);
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157 }
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158 }
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159 childrenField.putObject(clone, clonedChildren);
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160 }
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161 }
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162 for (NodeFieldAccessor cloneableField : nodeClass.getCloneableFields()) {
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163 Object cloneable = cloneableField.getObject(clone);
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164 if (cloneable != null && cloneable == cloneableField.getObject(orig)) {
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165 cloneableField.putObject(clone, ((NodeCloneable) cloneable).clone());
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166 }
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167 }
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168 return clone;
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169 }
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170
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171 public static List<Node> findNodeChildren(Node node) {
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172 CompilerAsserts.neverPartOfCompilation();
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173 List<Node> nodes = new ArrayList<>();
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174 NodeClass nodeClass = node.getNodeClass();
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175
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176 for (NodeFieldAccessor nodeField : nodeClass.getChildFields()) {
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177 Object child = nodeField.getObject(node);
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178 if (child != null) {
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179 nodes.add((Node) child);
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180 }
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181 }
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182 for (NodeFieldAccessor nodeField : nodeClass.getChildrenFields()) {
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183 Object[] children = (Object[]) nodeField.getObject(node);
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184 if (children != null) {
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185 for (Object child : children) {
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186 if (child != null) {
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187 nodes.add((Node) child);
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188 }
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189 }
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190 }
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191 }
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192
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193 return nodes;
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194 }
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195
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196 public static <T extends Node> T nonAtomicReplace(Node oldNode, T newNode, CharSequence reason) {
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197 oldNode.replaceHelper(newNode, reason);
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198 return newNode;
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199 }
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200
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201 public static boolean replaceChild(Node parent, Node oldChild, Node newChild) {
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202 return replaceChild(parent, oldChild, newChild, false);
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203 }
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204
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205 static boolean replaceChild(Node parent, Node oldChild, Node newChild, boolean adopt) {
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206 CompilerAsserts.neverPartOfCompilation();
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207 NodeClass nodeClass = parent.getNodeClass();
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208
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209 for (NodeFieldAccessor nodeField : nodeClass.getChildFields()) {
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210 if (nodeField.getObject(parent) == oldChild) {
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211 assert assertAssignable(nodeField, newChild);
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212 if (adopt) {
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213 parent.adoptHelper(newChild);
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214 }
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215 nodeField.putObject(parent, newChild);
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216 return true;
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217 }
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218 }
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219
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220 for (NodeFieldAccessor nodeField : nodeClass.getChildrenFields()) {
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221 Object arrayObject = nodeField.getObject(parent);
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222 if (arrayObject != null) {
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223 Object[] array = (Object[]) arrayObject;
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224 for (int i = 0; i < array.length; i++) {
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diff changeset
225 if (array[i] == oldChild) {
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226 assert assertAssignable(nodeField, newChild);
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227 if (adopt) {
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228 parent.adoptHelper(newChild);
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229 }
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230 array[i] = newChild;
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231 return true;
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232 }
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233 }
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234 }
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235 }
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236 return false;
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237 }
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238
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239 private static boolean assertAssignable(NodeFieldAccessor field, Object newValue) {
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240 if (newValue == null) {
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241 return true;
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242 }
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243 if (field.getKind() == NodeFieldKind.CHILD) {
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244 if (field.getType().isAssignableFrom(newValue.getClass())) {
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245 return true;
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246 } else {
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247 assert false : "Child class " + newValue.getClass().getName() + " is not assignable to field \"" + field.getName() + "\" of type " + field.getType().getName();
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248 return false;
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249 }
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250 } else if (field.getKind() == NodeFieldKind.CHILDREN) {
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diff changeset
251 if (field.getType().getComponentType().isAssignableFrom(newValue.getClass())) {
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diff changeset
252 return true;
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diff changeset
253 } else {
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diff changeset
254 assert false : "Child class " + newValue.getClass().getName() + " is not assignable to field \"" + field.getName() + "\" of type " + field.getType().getName();
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255 return false;
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256 }
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257 }
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diff changeset
258 throw new IllegalArgumentException();
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259 }
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260
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diff changeset
261 /**
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262 * Finds the field in a parent node, if any, that holds a specified child node.
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diff changeset
263 *
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264 * @return the field (possibly an array) holding the child, {@code null} if not found.
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diff changeset
265 */
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diff changeset
266 public static NodeFieldAccessor findChildField(Node parent, Node child) {
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diff changeset
267 assert child != null;
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diff changeset
268 NodeClass parentNodeClass = parent.getNodeClass();
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diff changeset
269
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diff changeset
270 for (NodeFieldAccessor field : parentNodeClass.getChildFields()) {
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diff changeset
271 if (field.getObject(parent) == child) {
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diff changeset
272 return field;
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273 }
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diff changeset
274 }
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diff changeset
275
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diff changeset
276 for (NodeFieldAccessor field : parentNodeClass.getChildrenFields()) {
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diff changeset
277 Object arrayObject = field.getObject(parent);
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diff changeset
278 if (arrayObject != null) {
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diff changeset
279 Object[] array = (Object[]) arrayObject;
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diff changeset
280 for (int i = 0; i < array.length; i++) {
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diff changeset
281 if (array[i] == child) {
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diff changeset
282 return field;
18984
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diff changeset
283 }
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diff changeset
284 }
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diff changeset
285 }
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diff changeset
286 }
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diff changeset
287 return null;
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diff changeset
288 }
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diff changeset
289
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diff changeset
290 /**
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291 * Determines whether a proposed child replacement would be safe: structurally and type.
18984
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diff changeset
292 */
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diff changeset
293 public static boolean isReplacementSafe(Node parent, Node oldChild, Node newChild) {
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diff changeset
294 assert newChild != null;
19141
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diff changeset
295 if (parent != null) {
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diff changeset
296 final NodeFieldAccessor field = findChildField(parent, oldChild);
19141
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diff changeset
297 if (field != null) {
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diff changeset
298 switch (field.getKind()) {
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diff changeset
299 case CHILD:
67d9e635102f Truffle/Instrumentation: refine checks for safe node replacement
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diff changeset
300 return field.getType().isAssignableFrom(newChild.getClass());
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diff changeset
301 case CHILDREN:
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diff changeset
302 return field.getType().getComponentType().isAssignableFrom(newChild.getClass());
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diff changeset
303 default:
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diff changeset
304 throw new IllegalStateException();
67d9e635102f Truffle/Instrumentation: refine checks for safe node replacement
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diff changeset
305 }
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diff changeset
306 }
18984
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diff changeset
307 }
19141
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diff changeset
308 return false;
18984
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diff changeset
309 }
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diff changeset
310
19607
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diff changeset
311 /**
73811d1b4cd0 Truffle: add NodeUtil.forEachChild
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diff changeset
312 * Executes a closure for every non-null child of the parent node.
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diff changeset
313 *
73811d1b4cd0 Truffle: add NodeUtil.forEachChild
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diff changeset
314 * @return {@code true} if all children were visited, {@code false} otherwise
73811d1b4cd0 Truffle: add NodeUtil.forEachChild
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diff changeset
315 */
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Andreas Woess <andreas.woess@oracle.com>
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diff changeset
316 public static boolean forEachChild(Node parent, NodeVisitor visitor) {
21966
5023b913e2ba Help the partial evaluator / language developer by marking API methods as neverPartOfCompilation() when they are too complicated to be compiled.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 21951
diff changeset
317 CompilerAsserts.neverPartOfCompilation();
19607
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diff changeset
318 Objects.requireNonNull(visitor);
20130
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diff changeset
319 NodeClass parentNodeClass = parent.getNodeClass();
19607
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diff changeset
320
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diff changeset
321 for (NodeFieldAccessor field : parentNodeClass.getChildFields()) {
19607
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diff changeset
322 Object child = field.getObject(parent);
73811d1b4cd0 Truffle: add NodeUtil.forEachChild
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diff changeset
323 if (child != null) {
73811d1b4cd0 Truffle: add NodeUtil.forEachChild
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parents: 19141
diff changeset
324 if (!visitor.visit((Node) child)) {
73811d1b4cd0 Truffle: add NodeUtil.forEachChild
Andreas Woess <andreas.woess@oracle.com>
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diff changeset
325 return false;
73811d1b4cd0 Truffle: add NodeUtil.forEachChild
Andreas Woess <andreas.woess@oracle.com>
parents: 19141
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326 }
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Andreas Woess <andreas.woess@oracle.com>
parents: 19141
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327 }
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Andreas Woess <andreas.woess@oracle.com>
parents: 19141
diff changeset
328 }
73811d1b4cd0 Truffle: add NodeUtil.forEachChild
Andreas Woess <andreas.woess@oracle.com>
parents: 19141
diff changeset
329
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330 for (NodeFieldAccessor field : parentNodeClass.getChildrenFields()) {
19607
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diff changeset
331 Object arrayObject = field.getObject(parent);
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diff changeset
332 if (arrayObject != null) {
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parents: 19141
diff changeset
333 Object[] array = (Object[]) arrayObject;
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parents: 19141
diff changeset
334 for (int i = 0; i < array.length; i++) {
73811d1b4cd0 Truffle: add NodeUtil.forEachChild
Andreas Woess <andreas.woess@oracle.com>
parents: 19141
diff changeset
335 Object child = array[i];
73811d1b4cd0 Truffle: add NodeUtil.forEachChild
Andreas Woess <andreas.woess@oracle.com>
parents: 19141
diff changeset
336 if (child != null) {
73811d1b4cd0 Truffle: add NodeUtil.forEachChild
Andreas Woess <andreas.woess@oracle.com>
parents: 19141
diff changeset
337 if (!visitor.visit((Node) child)) {
73811d1b4cd0 Truffle: add NodeUtil.forEachChild
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parents: 19141
diff changeset
338 return false;
73811d1b4cd0 Truffle: add NodeUtil.forEachChild
Andreas Woess <andreas.woess@oracle.com>
parents: 19141
diff changeset
339 }
73811d1b4cd0 Truffle: add NodeUtil.forEachChild
Andreas Woess <andreas.woess@oracle.com>
parents: 19141
diff changeset
340 }
73811d1b4cd0 Truffle: add NodeUtil.forEachChild
Andreas Woess <andreas.woess@oracle.com>
parents: 19141
diff changeset
341 }
73811d1b4cd0 Truffle: add NodeUtil.forEachChild
Andreas Woess <andreas.woess@oracle.com>
parents: 19141
diff changeset
342 }
73811d1b4cd0 Truffle: add NodeUtil.forEachChild
Andreas Woess <andreas.woess@oracle.com>
parents: 19141
diff changeset
343 }
73811d1b4cd0 Truffle: add NodeUtil.forEachChild
Andreas Woess <andreas.woess@oracle.com>
parents: 19141
diff changeset
344
73811d1b4cd0 Truffle: add NodeUtil.forEachChild
Andreas Woess <andreas.woess@oracle.com>
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diff changeset
345 return true;
73811d1b4cd0 Truffle: add NodeUtil.forEachChild
Andreas Woess <andreas.woess@oracle.com>
parents: 19141
diff changeset
346 }
73811d1b4cd0 Truffle: add NodeUtil.forEachChild
Andreas Woess <andreas.woess@oracle.com>
parents: 19141
diff changeset
347
20131
4b12d5355811 Truffle: do not use iterators for visitors.
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parents: 20130
diff changeset
348 static boolean forEachChildRecursive(Node parent, NodeVisitor visitor) {
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349 NodeClass parentNodeClass = parent.getNodeClass();
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350
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351 for (NodeFieldAccessor field : parentNodeClass.getChildFields()) {
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parents: 20130
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352 if (!visitChild((Node) field.getObject(parent), visitor)) {
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353 return false;
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354 }
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355 }
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356
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357 for (NodeFieldAccessor field : parentNodeClass.getChildrenFields()) {
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358 Object arrayObject = field.getObject(parent);
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359 if (arrayObject == null) {
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360 continue;
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Christian Humer <christian.humer@gmail.com>
parents: 20130
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361 }
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Christian Humer <christian.humer@gmail.com>
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362 Object[] array = (Object[]) arrayObject;
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363 for (int i = 0; i < array.length; i++) {
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Christian Humer <christian.humer@gmail.com>
parents: 20130
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364 if (!visitChild((Node) array[i], visitor)) {
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Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
365 return false;
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
366 }
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
367 }
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Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
368 }
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
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369
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Christian Humer <christian.humer@gmail.com>
parents: 20130
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370 return true;
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Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
371 }
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
372
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diff changeset
373 private static boolean visitChild(Node child, NodeVisitor visitor) {
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374 if (child == null) {
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Christian Humer <christian.humer@gmail.com>
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diff changeset
375 return true;
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
376 }
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
377 if (!visitor.visit(child)) {
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
378 return false;
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
379 }
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
380 if (!forEachChildRecursive(child, visitor)) {
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Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
381 return false;
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Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
382 }
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
383 return true;
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Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
384 }
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
385
7267
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parents:
diff changeset
386 /** Returns all declared fields in the class hierarchy. */
20129
5b7db8941fd7 Truffle: make NodeClass and NodeField a top-level class.
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parents: 19974
diff changeset
387 static Field[] getAllFields(Class<? extends Object> clazz) {
7267
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
388 Field[] declaredFields = clazz.getDeclaredFields();
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
389 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
390 return concat(getAllFields(clazz.getSuperclass()), declaredFields);
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
391 }
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
392 return declaredFields;
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
393 }
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
394
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
395 public static <T> T[] concat(T[] first, T[] second) {
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
396 T[] result = Arrays.copyOf(first, first.length + second.length);
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
397 System.arraycopy(second, 0, result, first.length, second.length);
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
398 return result;
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
399 }
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
400
11622
ccf047a30f18 Truffle: NodeUtil.getNthParent.
Chris Seaton <chris.seaton@oracle.com>
parents: 11279
diff changeset
401 /**
ccf047a30f18 Truffle: NodeUtil.getNthParent.
Chris Seaton <chris.seaton@oracle.com>
parents: 11279
diff changeset
402 * Get the nth parent of a node, where the 0th parent is the node itself. Returns null if there
ccf047a30f18 Truffle: NodeUtil.getNthParent.
Chris Seaton <chris.seaton@oracle.com>
parents: 11279
diff changeset
403 * are less than n ancestors.
ccf047a30f18 Truffle: NodeUtil.getNthParent.
Chris Seaton <chris.seaton@oracle.com>
parents: 11279
diff changeset
404 */
ccf047a30f18 Truffle: NodeUtil.getNthParent.
Chris Seaton <chris.seaton@oracle.com>
parents: 11279
diff changeset
405 public static Node getNthParent(Node node, int n) {
ccf047a30f18 Truffle: NodeUtil.getNthParent.
Chris Seaton <chris.seaton@oracle.com>
parents: 11279
diff changeset
406 Node parent = node;
ccf047a30f18 Truffle: NodeUtil.getNthParent.
Chris Seaton <chris.seaton@oracle.com>
parents: 11279
diff changeset
407
ccf047a30f18 Truffle: NodeUtil.getNthParent.
Chris Seaton <chris.seaton@oracle.com>
parents: 11279
diff changeset
408 for (int i = 0; i < n; i++) {
ccf047a30f18 Truffle: NodeUtil.getNthParent.
Chris Seaton <chris.seaton@oracle.com>
parents: 11279
diff changeset
409 parent = parent.getParent();
ccf047a30f18 Truffle: NodeUtil.getNthParent.
Chris Seaton <chris.seaton@oracle.com>
parents: 11279
diff changeset
410
ccf047a30f18 Truffle: NodeUtil.getNthParent.
Chris Seaton <chris.seaton@oracle.com>
parents: 11279
diff changeset
411 if (parent == null) {
ccf047a30f18 Truffle: NodeUtil.getNthParent.
Chris Seaton <chris.seaton@oracle.com>
parents: 11279
diff changeset
412 return null;
ccf047a30f18 Truffle: NodeUtil.getNthParent.
Chris Seaton <chris.seaton@oracle.com>
parents: 11279
diff changeset
413 }
ccf047a30f18 Truffle: NodeUtil.getNthParent.
Chris Seaton <chris.seaton@oracle.com>
parents: 11279
diff changeset
414 }
ccf047a30f18 Truffle: NodeUtil.getNthParent.
Chris Seaton <chris.seaton@oracle.com>
parents: 11279
diff changeset
415
ccf047a30f18 Truffle: NodeUtil.getNthParent.
Chris Seaton <chris.seaton@oracle.com>
parents: 11279
diff changeset
416 return parent;
ccf047a30f18 Truffle: NodeUtil.getNthParent.
Chris Seaton <chris.seaton@oracle.com>
parents: 11279
diff changeset
417 }
ccf047a30f18 Truffle: NodeUtil.getNthParent.
Chris Seaton <chris.seaton@oracle.com>
parents: 11279
diff changeset
418
7267
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
419 /** 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
420 public static <T extends Annotation> T findAnnotation(Class<?> clazz, Class<T> annotationClass) {
7267
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
421 if (clazz.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
422 return clazz.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
423 } else {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7267
diff changeset
424 for (Class<?> intf : clazz.getInterfaces()) {
7267
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
425 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
426 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
427 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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 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
430 return findAnnotation(clazz.getSuperclass(), 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
431 }
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
432 }
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
433 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
434 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
435
12666
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
436 public static <T> T findParent(Node start, Class<T> clazz) {
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
437 Node parent = start.getParent();
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
438 if (parent == null) {
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
439 return null;
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
440 } else if (clazz.isInstance(parent)) {
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
441 return clazz.cast(parent);
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parents:
diff changeset
442 } else {
12666
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parents: 11950
diff changeset
443 return findParent(parent, clazz);
7267
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
444 }
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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
12666
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Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
447 public static <T> List<T> findAllParents(Node start, Class<T> clazz) {
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
448 List<T> parents = new ArrayList<>();
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
449 T parent = findParent(start, clazz);
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
450 while (parent != null) {
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
451 parents.add(parent);
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
452 parent = findParent((Node) parent, clazz);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
453 }
12666
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
454 return parents;
7267
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
455 }
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
456
12666
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
457 public static List<Node> collectNodes(Node parent, Node child) {
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
458 List<Node> nodes = new ArrayList<>();
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
459 Node current = child;
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
460 while (current != null) {
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
461 nodes.add(current);
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
462 if (current == parent) {
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
463 return nodes;
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
464 }
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
465 current = current.getParent();
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
466 }
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
467 throw new IllegalArgumentException("Node " + parent + " is not a parent of " + child + ".");
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
468 }
d9c34e8337f4 Truffle: cleanup of NodeUtil#findParent; added NodeUtil#findAllParents
Christian Humer <christian.humer@gmail.com>
parents: 11950
diff changeset
469
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
470 public static <T> T findFirstNodeInstance(Node root, Class<T> clazz) {
21650
45ed86c4d127 Truffle: change NodeUtil.findFirstNodeInstance to include root in potential matches
Andreas Woess <andreas.woess@oracle.com>
parents: 21469
diff changeset
471 if (clazz.isInstance(root)) {
45ed86c4d127 Truffle: change NodeUtil.findFirstNodeInstance to include root in potential matches
Andreas Woess <andreas.woess@oracle.com>
parents: 21469
diff changeset
472 return clazz.cast(root);
45ed86c4d127 Truffle: change NodeUtil.findFirstNodeInstance to include root in potential matches
Andreas Woess <andreas.woess@oracle.com>
parents: 21469
diff changeset
473 }
45ed86c4d127 Truffle: change NodeUtil.findFirstNodeInstance to include root in potential matches
Andreas Woess <andreas.woess@oracle.com>
parents: 21469
diff changeset
474 for (Node child : root.getChildren()) {
45ed86c4d127 Truffle: change NodeUtil.findFirstNodeInstance to include root in potential matches
Andreas Woess <andreas.woess@oracle.com>
parents: 21469
diff changeset
475 T node = findFirstNodeInstance(child, clazz);
45ed86c4d127 Truffle: change NodeUtil.findFirstNodeInstance to include root in potential matches
Andreas Woess <andreas.woess@oracle.com>
parents: 21469
diff changeset
476 if (node != null) {
45ed86c4d127 Truffle: change NodeUtil.findFirstNodeInstance to include root in potential matches
Andreas Woess <andreas.woess@oracle.com>
parents: 21469
diff changeset
477 return node;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
478 }
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
479 }
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
480 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
481 }
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
482
16465
456abab80eb5 Truffle: remove obsolete NodeUtil.findNodeInstancesInFunction (functionally equivalent to findAllNodeInstances)
Andreas Woess <andreas.woess@jku.at>
parents: 16464
diff changeset
483 public static <T> List<T> findAllNodeInstances(final Node root, final Class<T> clazz) {
7267
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
484 final List<T> nodeList = new ArrayList<>();
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
485 root.accept(new NodeVisitor() {
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
486 public boolean visit(Node node) {
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
487 if (clazz.isInstance(node)) {
16465
456abab80eb5 Truffle: remove obsolete NodeUtil.findNodeInstancesInFunction (functionally equivalent to findAllNodeInstances)
Andreas Woess <andreas.woess@jku.at>
parents: 16464
diff changeset
488 nodeList.add(clazz.cast(node));
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
489 }
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
490 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
491 }
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
492 });
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
493 return nodeList;
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
494 }
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
495
10704
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
496 public static int countNodes(Node root) {
20131
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
497 return countNodes(root, NodeCountFilter.NO_FILTER);
13995
e455fc531ec2 Truffle: Added API in NodeUtil to count nodes restricted to a Kind.
Christian Humer <christian.humer@gmail.com>
parents: 13983
diff changeset
498 }
e455fc531ec2 Truffle: Added API in NodeUtil to count nodes restricted to a Kind.
Christian Humer <christian.humer@gmail.com>
parents: 13983
diff changeset
499
14569
5e04917e6616 Truffle: renamed NodeFilter to NodeCountFilter and changed it to have inclusive implementation semantics.
Christian Humer <christian.humer@gmail.com>
parents: 14565
diff changeset
500 public static int countNodes(Node root, NodeCountFilter filter) {
20131
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
501 NodeCounter counter = new NodeCounter(filter);
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
502 root.accept(counter);
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
503 return counter.count;
10793
6e12e0ace0d5 Truffle: add NodeUtil.countNodes overload that counts nodes of a specific type
Andreas Woess <andreas.woess@jku.at>
parents: 10756
diff changeset
504 }
6e12e0ace0d5 Truffle: add NodeUtil.countNodes overload that counts nodes of a specific type
Andreas Woess <andreas.woess@jku.at>
parents: 10756
diff changeset
505
14569
5e04917e6616 Truffle: renamed NodeFilter to NodeCountFilter and changed it to have inclusive implementation semantics.
Christian Humer <christian.humer@gmail.com>
parents: 14565
diff changeset
506 public interface NodeCountFilter {
14565
9c01fabfb167 Truffle: Removed deprecated API; Added NodeFilter to customize filter when counting nodes.
Christian Humer <christian.humer@gmail.com>
parents: 14564
diff changeset
507
20131
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
508 NodeCountFilter NO_FILTER = new NodeCountFilter() {
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
509
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
510 public boolean isCounted(Node node) {
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
511 return true;
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
512 }
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
513 };
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
514
14569
5e04917e6616 Truffle: renamed NodeFilter to NodeCountFilter and changed it to have inclusive implementation semantics.
Christian Humer <christian.humer@gmail.com>
parents: 14565
diff changeset
515 boolean isCounted(Node node);
14565
9c01fabfb167 Truffle: Removed deprecated API; Added NodeFilter to customize filter when counting nodes.
Christian Humer <christian.humer@gmail.com>
parents: 14564
diff changeset
516
10704
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
517 }
84b944726df2 Truffle: introduce NodeUtil.countNodes
Andreas Woess <andreas.woess@jku.at>
parents: 9754
diff changeset
518
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
519 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
520 StringWriter out = new StringWriter();
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
521 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
522 return out.toString();
7267
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
523 }
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
524
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
525 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
526 printCompactTree(new PrintWriter(out), null, node, 1);
7267
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
527 }
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
528
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
529 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
530 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
531 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
532 }
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
533 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
534 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
535 }
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
536 if (parent == null) {
10845
e9248ebb1d79 Truffle: ignore null children in NodeUtil.findNodeChildren; refactoring.
Andreas Woess <andreas.woess@jku.at>
parents: 10793
diff changeset
537 p.println(nodeName(node));
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
538 } else {
17275
846c059e3ecf Truffle: allow interface types in child fields
Andreas Woess <andreas.woess@jku.at>
parents: 16779
diff changeset
539 p.print(getNodeFieldName(parent, node, "unknownField"));
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
540 p.print(" = ");
10845
e9248ebb1d79 Truffle: ignore null children in NodeUtil.findNodeChildren; refactoring.
Andreas Woess <andreas.woess@jku.at>
parents: 10793
diff changeset
541 p.println(nodeName(node));
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
542 }
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
543
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
544 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
545 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
546 }
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
547 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
548 }
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
549
11848
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
550 public static String printSourceAttributionTree(Node node) {
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
551 StringWriter out = new StringWriter();
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
552 printSourceAttributionTree(new PrintWriter(out), null, node, 1);
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
553 return out.toString();
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
554 }
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
555
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
556 public static void printSourceAttributionTree(OutputStream out, Node node) {
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
557 printSourceAttributionTree(new PrintWriter(out), null, node, 1);
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
558 }
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
559
21469
286aef83a9a7 Replacing PrintStream with PrintWriter in the simple language
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 20131
diff changeset
560 public static void printSourceAttributionTree(PrintWriter out, Node node) {
286aef83a9a7 Replacing PrintStream with PrintWriter in the simple language
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 20131
diff changeset
561 printSourceAttributionTree(out, null, node, 1);
286aef83a9a7 Replacing PrintStream with PrintWriter in the simple language
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 20131
diff changeset
562 }
286aef83a9a7 Replacing PrintStream with PrintWriter in the simple language
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 20131
diff changeset
563
11848
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
564 private static void printSourceAttributionTree(PrintWriter p, Node parent, Node node, int level) {
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
565 if (node == null) {
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
566 return;
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
567 }
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
568 if (parent == null) {
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
569 // Add some preliminary information before starting with the root node
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
570 final SourceSection sourceSection = node.getSourceSection();
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
571 if (sourceSection != null) {
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
572 final String txt = sourceSection.getSource().getCode();
11907
873da100d113 Truffle: another minor tweak to NodeUtil.printSourceAttributionTree
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11850
diff changeset
573 p.println("Full source len=(" + txt.length() + ") ___" + txt + "___");
11848
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
574 p.println("AST source attribution:");
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
575 }
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
576 }
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
577 final StringBuilder sb = new StringBuilder();
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
578 for (int i = 0; i < level; i++) {
11850
e68922869732 Truffle: minor legibility improvement in NodeUtil.printSourceAttributionTree()
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11848
diff changeset
579 sb.append("| ");
11848
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
580 }
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
581
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
582 if (parent != null) {
17275
846c059e3ecf Truffle: allow interface types in child fields
Andreas Woess <andreas.woess@jku.at>
parents: 16779
diff changeset
583 sb.append(getNodeFieldName(parent, node, ""));
11848
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
584 }
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
585
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
586 sb.append(" (" + node.getClass().getSimpleName() + ") ");
18485
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
587
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
588 sb.append(printSyntaxTags(node));
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
589
11848
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
590 sb.append(displaySourceAttribution(node));
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
591 p.println(sb.toString());
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
592
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
593 for (Node child : node.getChildren()) {
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
594 printSourceAttributionTree(p, node, child, level + 1);
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
595 }
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
596 p.flush();
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
597 }
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
598
17275
846c059e3ecf Truffle: allow interface types in child fields
Andreas Woess <andreas.woess@jku.at>
parents: 16779
diff changeset
599 private static String getNodeFieldName(Node parent, Node node, String defaultName) {
20130
8dc73c226c63 Truffle: cache NodeClass lookup in Node.
Christian Humer <christian.humer@gmail.com>
parents: 20129
diff changeset
600 NodeFieldAccessor[] fields = parent.getNodeClass().getFields();
20129
5b7db8941fd7 Truffle: make NodeClass and NodeField a top-level class.
Christian Humer <christian.humer@gmail.com>
parents: 19974
diff changeset
601 for (NodeFieldAccessor field : fields) {
17275
846c059e3ecf Truffle: allow interface types in child fields
Andreas Woess <andreas.woess@jku.at>
parents: 16779
diff changeset
602 Object value = field.loadValue(parent);
846c059e3ecf Truffle: allow interface types in child fields
Andreas Woess <andreas.woess@jku.at>
parents: 16779
diff changeset
603 if (field.getKind() == NodeFieldKind.CHILD && value == node) {
846c059e3ecf Truffle: allow interface types in child fields
Andreas Woess <andreas.woess@jku.at>
parents: 16779
diff changeset
604 return field.getName();
846c059e3ecf Truffle: allow interface types in child fields
Andreas Woess <andreas.woess@jku.at>
parents: 16779
diff changeset
605 } else if (field.getKind() == NodeFieldKind.CHILDREN) {
846c059e3ecf Truffle: allow interface types in child fields
Andreas Woess <andreas.woess@jku.at>
parents: 16779
diff changeset
606 int index = 0;
846c059e3ecf Truffle: allow interface types in child fields
Andreas Woess <andreas.woess@jku.at>
parents: 16779
diff changeset
607 for (Object arrayNode : (Object[]) value) {
846c059e3ecf Truffle: allow interface types in child fields
Andreas Woess <andreas.woess@jku.at>
parents: 16779
diff changeset
608 if (arrayNode == node) {
846c059e3ecf Truffle: allow interface types in child fields
Andreas Woess <andreas.woess@jku.at>
parents: 16779
diff changeset
609 return field.getName() + "[" + index + "]";
846c059e3ecf Truffle: allow interface types in child fields
Andreas Woess <andreas.woess@jku.at>
parents: 16779
diff changeset
610 }
846c059e3ecf Truffle: allow interface types in child fields
Andreas Woess <andreas.woess@jku.at>
parents: 16779
diff changeset
611 index++;
846c059e3ecf Truffle: allow interface types in child fields
Andreas Woess <andreas.woess@jku.at>
parents: 16779
diff changeset
612 }
846c059e3ecf Truffle: allow interface types in child fields
Andreas Woess <andreas.woess@jku.at>
parents: 16779
diff changeset
613 }
846c059e3ecf Truffle: allow interface types in child fields
Andreas Woess <andreas.woess@jku.at>
parents: 16779
diff changeset
614 }
846c059e3ecf Truffle: allow interface types in child fields
Andreas Woess <andreas.woess@jku.at>
parents: 16779
diff changeset
615 return defaultName;
846c059e3ecf Truffle: allow interface types in child fields
Andreas Woess <andreas.woess@jku.at>
parents: 16779
diff changeset
616 }
846c059e3ecf Truffle: allow interface types in child fields
Andreas Woess <andreas.woess@jku.at>
parents: 16779
diff changeset
617
7267
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
618 /**
18485
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
619 * Returns a string listing the {@linkplain SyntaxTag syntax tags}, if any, associated with a
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
620 * node:
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
621 * <ul>
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
622 * <li>"[{@linkplain StandardSyntaxTag#STATEMENT STATEMENT},
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
623 * {@linkplain StandardSyntaxTag#ASSIGNMENT ASSIGNMENT}]" if tags have been applied;</li>
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
624 * <li>"[]" if the node supports tags, but none are present; and</li>
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
625 * <li>"" if the node does not support tags.</li>
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
626 * </ul>
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
627 */
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
628 public static String printSyntaxTags(final Object node) {
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
629 if (node instanceof WrapperNode) {
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
630 final Probe probe = ((WrapperNode) node).getProbe();
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
631 final Collection<SyntaxTag> syntaxTags = probe.getSyntaxTags();
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
632 final StringBuilder sb = new StringBuilder();
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
633 String prefix = "";
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
634 sb.append("[");
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
635 for (SyntaxTag tag : syntaxTags) {
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
636 sb.append(prefix);
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
637 prefix = ",";
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
638 sb.append(tag.toString());
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
639 }
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
640 sb.append("]");
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
641 return sb.toString();
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
642 }
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
643 return "";
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
644 }
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
645
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18332
diff changeset
646 /**
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
647 * 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
648 * print method does not check for cycles in the node structure.
15090
07e7aae05983 Truffle: context sensitive inlining cleanup
Christian Humer <christian.humer@gmail.com>
parents: 15089
diff changeset
649 *
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
650 * @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
651 * @param node the root node to write
7267
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
652 */
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
653 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
654 printTree(new PrintWriter(out), node);
7267
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
655 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
656
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
657 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
658 StringWriter out = new StringWriter();
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
659 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
660 return out.toString();
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
661 }
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
662
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
663 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
664 printTree(p, node, 1);
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
665 p.println();
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
666 p.flush();
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
667 }
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
668
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
669 private static void printTree(PrintWriter p, Node node, int level) {
7267
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
670 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
671 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
672 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
673 }
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
674
10845
e9248ebb1d79 Truffle: ignore null children in NodeUtil.findNodeChildren; refactoring.
Andreas Woess <andreas.woess@jku.at>
parents: 10793
diff changeset
675 p.print(nodeName(node));
7267
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
676
20129
5b7db8941fd7 Truffle: make NodeClass and NodeField a top-level class.
Christian Humer <christian.humer@gmail.com>
parents: 19974
diff changeset
677 ArrayList<NodeFieldAccessor> childFields = new ArrayList<>();
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
678 String sep = "";
7267
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
679 p.print("(");
20130
8dc73c226c63 Truffle: cache NodeClass lookup in Node.
Christian Humer <christian.humer@gmail.com>
parents: 20129
diff changeset
680 for (NodeFieldAccessor field : NodeClass.get(node).getFields()) {
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
681 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
682 childFields.add(field);
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
683 } 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
684 p.print(sep);
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
685 sep = ", ";
7267
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
686
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
687 p.print(field.getName());
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
688 p.print(" = ");
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
689 p.print(field.loadValue(node));
7267
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
690 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
691 }
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
692 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
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:
diff changeset
694 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
695 p.print(" {");
20129
5b7db8941fd7 Truffle: make NodeClass and NodeField a top-level class.
Christian Humer <christian.humer@gmail.com>
parents: 19974
diff changeset
696 for (NodeFieldAccessor field : childFields) {
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
697 printNewLine(p, level);
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
698 p.print(field.getName());
7267
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
699
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
700 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
701 if (value == null) {
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
702 p.print(" = null ");
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
703 } 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
704 p.print(" = ");
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
705 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
706 } else if (field.getKind() == NodeFieldKind.CHILDREN) {
16548
a3b0a2d61e62 extract method in NodeUtil
Christian Wirth <christian.wirth@oracle.com>
parents: 16513
diff changeset
707 printChildren(p, level, value);
7267
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
708 }
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
709 }
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
710 printNewLine(p, level - 1);
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
711 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
712 }
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
713 }
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
714
16548
a3b0a2d61e62 extract method in NodeUtil
Christian Wirth <christian.wirth@oracle.com>
parents: 16513
diff changeset
715 private static void printChildren(PrintWriter p, int level, Object value) {
a3b0a2d61e62 extract method in NodeUtil
Christian Wirth <christian.wirth@oracle.com>
parents: 16513
diff changeset
716 String sep;
17275
846c059e3ecf Truffle: allow interface types in child fields
Andreas Woess <andreas.woess@jku.at>
parents: 16779
diff changeset
717 Object[] children = (Object[]) value;
16548
a3b0a2d61e62 extract method in NodeUtil
Christian Wirth <christian.wirth@oracle.com>
parents: 16513
diff changeset
718 p.print(" = [");
a3b0a2d61e62 extract method in NodeUtil
Christian Wirth <christian.wirth@oracle.com>
parents: 16513
diff changeset
719 sep = "";
17275
846c059e3ecf Truffle: allow interface types in child fields
Andreas Woess <andreas.woess@jku.at>
parents: 16779
diff changeset
720 for (Object child : children) {
16548
a3b0a2d61e62 extract method in NodeUtil
Christian Wirth <christian.wirth@oracle.com>
parents: 16513
diff changeset
721 p.print(sep);
a3b0a2d61e62 extract method in NodeUtil
Christian Wirth <christian.wirth@oracle.com>
parents: 16513
diff changeset
722 sep = ", ";
17275
846c059e3ecf Truffle: allow interface types in child fields
Andreas Woess <andreas.woess@jku.at>
parents: 16779
diff changeset
723 printTree(p, (Node) child, level + 1);
16548
a3b0a2d61e62 extract method in NodeUtil
Christian Wirth <christian.wirth@oracle.com>
parents: 16513
diff changeset
724 }
a3b0a2d61e62 extract method in NodeUtil
Christian Wirth <christian.wirth@oracle.com>
parents: 16513
diff changeset
725 p.print("]");
a3b0a2d61e62 extract method in NodeUtil
Christian Wirth <christian.wirth@oracle.com>
parents: 16513
diff changeset
726 }
a3b0a2d61e62 extract method in NodeUtil
Christian Wirth <christian.wirth@oracle.com>
parents: 16513
diff changeset
727
9754
98b004bf3985 Refactoring of NodeUtil to centralize the use of reflection
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9538
diff changeset
728 private static void printNewLine(PrintWriter p, int level) {
7267
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
729 p.println();
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
730 for (int i = 0; i < level; i++) {
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
731 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
732 }
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
733 }
10742
99789440ce28 Truffle: Added assertions to replaceChild.
Christian Humer <christian.humer@gmail.com>
parents: 10704
diff changeset
734
10845
e9248ebb1d79 Truffle: ignore null children in NodeUtil.findNodeChildren; refactoring.
Andreas Woess <andreas.woess@jku.at>
parents: 10793
diff changeset
735 private static String nodeName(Node node) {
e9248ebb1d79 Truffle: ignore null children in NodeUtil.findNodeChildren; refactoring.
Andreas Woess <andreas.woess@jku.at>
parents: 10793
diff changeset
736 return node.getClass().getSimpleName();
e9248ebb1d79 Truffle: ignore null children in NodeUtil.findNodeChildren; refactoring.
Andreas Woess <andreas.woess@jku.at>
parents: 10793
diff changeset
737 }
11848
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
738
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
739 private static String displaySourceAttribution(Node node) {
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
740 final SourceSection section = node.getSourceSection();
21987
b2d1c8ff592a Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21966
diff changeset
741 if (section != null && section.getSource() == null) {
16511
aee02665e505 Truffle: NodeUtil fix for displaying null SourceSections.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 16067
diff changeset
742 return "source: " + section.getShortDescription();
aee02665e505 Truffle: NodeUtil fix for displaying null SourceSections.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 16067
diff changeset
743 }
11848
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
744 if (section != null) {
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
745 final String srcText = section.getCode();
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
746 final StringBuilder sb = new StringBuilder();
16674
70f47dbbcabd Truffle/SourceAttribution: NodeUtil.displaySourceAttribution() outut revised for legibility.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 16581
diff changeset
747 sb.append("source:");
11848
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
748 sb.append(" (" + section.getCharIndex() + "," + (section.getCharEndIndex() - 1) + ")");
19010
3bf612703773 Truffle: print the line number in the source attribution tree.
Chris Seaton <chris.seaton@oracle.com>
parents: 18984
diff changeset
749 sb.append(" line=" + section.getLineLocation().getLineNumber());
16674
70f47dbbcabd Truffle/SourceAttribution: NodeUtil.displaySourceAttribution() outut revised for legibility.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 16581
diff changeset
750 sb.append(" len=" + srcText.length());
70f47dbbcabd Truffle/SourceAttribution: NodeUtil.displaySourceAttribution() outut revised for legibility.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 16581
diff changeset
751 sb.append(" text=\"" + srcText + "\"");
11848
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
752 return sb.toString();
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
753 }
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
754 return "";
099af41815ea Truffle: add NodeUtil.printSourceAttributionTree() for debugging
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 11809
diff changeset
755 }
11950
be0a33a631fa Truffle: fix node rewrite issue that can occur when a currently executing node is replaced in a recursive call.
Andreas Woess <andreas.woess@jku.at>
parents: 11907
diff changeset
756
be0a33a631fa Truffle: fix node rewrite issue that can occur when a currently executing node is replaced in a recursive call.
Andreas Woess <andreas.woess@jku.at>
parents: 11907
diff changeset
757 public static boolean verify(Node root) {
be0a33a631fa Truffle: fix node rewrite issue that can occur when a currently executing node is replaced in a recursive call.
Andreas Woess <andreas.woess@jku.at>
parents: 11907
diff changeset
758 Iterable<Node> children = root.getChildren();
be0a33a631fa Truffle: fix node rewrite issue that can occur when a currently executing node is replaced in a recursive call.
Andreas Woess <andreas.woess@jku.at>
parents: 11907
diff changeset
759 for (Node child : children) {
be0a33a631fa Truffle: fix node rewrite issue that can occur when a currently executing node is replaced in a recursive call.
Andreas Woess <andreas.woess@jku.at>
parents: 11907
diff changeset
760 if (child != null) {
be0a33a631fa Truffle: fix node rewrite issue that can occur when a currently executing node is replaced in a recursive call.
Andreas Woess <andreas.woess@jku.at>
parents: 11907
diff changeset
761 if (child.getParent() != root) {
be0a33a631fa Truffle: fix node rewrite issue that can occur when a currently executing node is replaced in a recursive call.
Andreas Woess <andreas.woess@jku.at>
parents: 11907
diff changeset
762 throw new AssertionError(toStringWithClass(child) + ": actual parent=" + toStringWithClass(child.getParent()) + " expected parent=" + toStringWithClass(root));
be0a33a631fa Truffle: fix node rewrite issue that can occur when a currently executing node is replaced in a recursive call.
Andreas Woess <andreas.woess@jku.at>
parents: 11907
diff changeset
763 }
be0a33a631fa Truffle: fix node rewrite issue that can occur when a currently executing node is replaced in a recursive call.
Andreas Woess <andreas.woess@jku.at>
parents: 11907
diff changeset
764 verify(child);
be0a33a631fa Truffle: fix node rewrite issue that can occur when a currently executing node is replaced in a recursive call.
Andreas Woess <andreas.woess@jku.at>
parents: 11907
diff changeset
765 }
be0a33a631fa Truffle: fix node rewrite issue that can occur when a currently executing node is replaced in a recursive call.
Andreas Woess <andreas.woess@jku.at>
parents: 11907
diff changeset
766 }
be0a33a631fa Truffle: fix node rewrite issue that can occur when a currently executing node is replaced in a recursive call.
Andreas Woess <andreas.woess@jku.at>
parents: 11907
diff changeset
767 return true;
be0a33a631fa Truffle: fix node rewrite issue that can occur when a currently executing node is replaced in a recursive call.
Andreas Woess <andreas.woess@jku.at>
parents: 11907
diff changeset
768 }
be0a33a631fa Truffle: fix node rewrite issue that can occur when a currently executing node is replaced in a recursive call.
Andreas Woess <andreas.woess@jku.at>
parents: 11907
diff changeset
769
be0a33a631fa Truffle: fix node rewrite issue that can occur when a currently executing node is replaced in a recursive call.
Andreas Woess <andreas.woess@jku.at>
parents: 11907
diff changeset
770 private static String toStringWithClass(Object obj) {
be0a33a631fa Truffle: fix node rewrite issue that can occur when a currently executing node is replaced in a recursive call.
Andreas Woess <andreas.woess@jku.at>
parents: 11907
diff changeset
771 return obj == null ? "null" : obj + "(" + obj.getClass().getName() + ")";
be0a33a631fa Truffle: fix node rewrite issue that can occur when a currently executing node is replaced in a recursive call.
Andreas Woess <andreas.woess@jku.at>
parents: 11907
diff changeset
772 }
16464
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
773
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
774 static void traceRewrite(Node oldNode, Node newNode, CharSequence reason) {
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
775 if (TruffleOptions.TraceRewritesFilterFromCost != null) {
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
776 if (filterByKind(oldNode, TruffleOptions.TraceRewritesFilterFromCost)) {
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
777 return;
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
778 }
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
779 }
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
780
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
781 if (TruffleOptions.TraceRewritesFilterToCost != null) {
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
782 if (filterByKind(newNode, TruffleOptions.TraceRewritesFilterToCost)) {
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
783 return;
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
784 }
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
785 }
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
786
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
787 String filter = TruffleOptions.TraceRewritesFilterClass;
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
788 Class<? extends Node> from = oldNode.getClass();
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
789 Class<? extends Node> to = newNode.getClass();
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
790 if (filter != null && (filterByContainsClassName(from, filter) || filterByContainsClassName(to, filter))) {
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
791 return;
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
792 }
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
793
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
794 final SourceSection reportedSourceSection = oldNode.getEncapsulatingSourceSection();
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
795
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
796 PrintStream out = System.out;
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
797 out.printf("[truffle] rewrite %-50s |From %-40s |To %-40s |Reason %s%s%n", oldNode.toString(), formatNodeInfo(oldNode), formatNodeInfo(newNode),
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
798 reason != null && reason.length() > 0 ? reason : "unknown", reportedSourceSection != null ? " at " + reportedSourceSection.getShortDescription() : "");
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
799 }
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
800
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
801 private static String formatNodeInfo(Node node) {
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
802 String cost = "?";
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
803 switch (node.getCost()) {
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
804 case NONE:
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
805 cost = "G";
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
806 break;
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
807 case MONOMORPHIC:
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
808 cost = "M";
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
809 break;
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
810 case POLYMORPHIC:
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
811 cost = "P";
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
812 break;
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
813 case MEGAMORPHIC:
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
814 cost = "G";
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
815 break;
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
816 default:
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
817 cost = "?";
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
818 break;
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
819 }
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
820 return cost + " " + node.getClass().getSimpleName();
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
821 }
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
822
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
823 private static boolean filterByKind(Node node, NodeCost cost) {
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
824 return node.getCost() == cost;
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
825 }
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
826
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
827 private static boolean filterByContainsClassName(Class<? extends Node> from, String filter) {
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
828 Class<?> currentFrom = from;
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
829 while (currentFrom != null) {
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
830 if (currentFrom.getName().contains(filter)) {
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
831 return false;
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
832 }
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
833 currentFrom = currentFrom.getSuperclass();
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
834 }
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
835 return true;
76081918079d Truffle: move TraceRewrites code to NodeUtil
Andreas Woess <andreas.woess@jku.at>
parents: 16067
diff changeset
836 }
20131
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
837
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
838 private static final class NodeCounter implements NodeVisitor {
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
839
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
840 public int count;
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
841 private final NodeCountFilter filter;
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
842
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
843 public NodeCounter(NodeCountFilter filter) {
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
844 this.filter = filter;
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
845 }
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
846
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
847 public boolean visit(Node node) {
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
848 if (filter.isCounted(node)) {
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
849 count++;
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
850 }
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
851 return true;
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
852 }
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
853
4b12d5355811 Truffle: do not use iterators for visitors.
Christian Humer <christian.humer@gmail.com>
parents: 20130
diff changeset
854 }
7267
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
855 }