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annotate truffle/com.oracle.truffle.object/src/com/oracle/truffle/object/Debug.java @ 22548:6b76a24fffbd default tip

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author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Thu, 14 Jan 2016 14:20:57 +0100
parents a647534602a6
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1 /*
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2 * Copyright (c) 2014, 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.truffle.object;
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24
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25 import java.io.File;
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26 import java.io.FileNotFoundException;
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27 import java.io.PrintWriter;
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28 import java.io.UnsupportedEncodingException;
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29 import java.nio.file.Paths;
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30 import java.util.Collection;
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31 import java.util.List;
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32 import java.util.concurrent.ConcurrentLinkedQueue;
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33
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34 import com.oracle.truffle.api.nodes.GraphPrintVisitor;
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35 import com.oracle.truffle.api.object.DynamicObject;
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36 import com.oracle.truffle.api.object.Property;
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37 import com.oracle.truffle.object.debug.GraphvizShapeVisitor;
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38 import com.oracle.truffle.object.debug.IGVShapeVisitor;
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39 import com.oracle.truffle.object.debug.JSONShapeVisitor;
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40 import com.oracle.truffle.object.debug.ShapeProfiler;
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41
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42 class Debug {
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43 private static Collection<ShapeImpl> allShapes;
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44
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45 static void trackShape(ShapeImpl newShape) {
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46 allShapes.add(newShape);
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47 }
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48
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49 static void trackObject(DynamicObject obj) {
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50 ShapeProfiler.getInstance().track(obj);
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51 }
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52
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53 static Iterable<ShapeImpl> getAllShapes() {
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54 return allShapes;
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55 }
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56
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57 static String dumpObject(DynamicObject object, int level, int levelStop) {
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58 List<Property> properties = object.getShape().getPropertyListInternal(true);
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59 StringBuilder sb = new StringBuilder(properties.size() * 10);
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60 sb.append("{\n");
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61 for (Property property : properties) {
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62 indent(sb, level + 1);
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63
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64 sb.append(property.getKey());
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65 sb.append('[').append(property.getLocation()).append(']');
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66 Object value = property.get(object, false);
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67 if (value instanceof DynamicObject) {
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68 if (level < levelStop) {
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69 value = dumpObject((DynamicObject) value, level + 1, levelStop);
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70 } else {
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71 value = value.toString();
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72 }
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73 }
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74 sb.append(": ");
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75 sb.append(value);
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76 if (property != properties.get(properties.size() - 1)) {
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77 sb.append(",");
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78 }
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79 sb.append("\n");
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80 }
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81 indent(sb, level);
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82 sb.append("}");
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83 return sb.toString();
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84 }
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85
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86 private static StringBuilder indent(StringBuilder sb, int level) {
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87 for (int i = 0; i < level; i++) {
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88 sb.append(' ');
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89 }
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90 return sb;
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91 }
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92
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93 static {
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94 if (ObjectStorageOptions.DumpShapes) {
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95 allShapes = new ConcurrentLinkedQueue<>();
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96 }
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97
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98 if (ObjectStorageOptions.DumpShapes) {
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99 Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
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100 public void run() {
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101 try {
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102 if (ObjectStorageOptions.DumpShapesDOT) {
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103 dumpDOT();
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104 }
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105 if (ObjectStorageOptions.DumpShapesJSON) {
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106 dumpJSON();
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107 }
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108 if (ObjectStorageOptions.DumpShapesIGV) {
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109 dumpIGV();
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110 }
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111 } catch (FileNotFoundException | UnsupportedEncodingException e) {
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112 throw new RuntimeException(e);
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113 }
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114 }
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115
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116 private void dumpDOT() throws FileNotFoundException, UnsupportedEncodingException {
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117 try (PrintWriter out = new PrintWriter(getOutputFile("dot"), "UTF-8")) {
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118 GraphvizShapeVisitor visitor = new GraphvizShapeVisitor();
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119 for (ShapeImpl shape : getAllShapes()) {
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120 shape.accept(visitor);
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121 }
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122 out.println(visitor);
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123 }
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124 }
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125
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126 private void dumpJSON() throws FileNotFoundException, UnsupportedEncodingException {
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127 try (PrintWriter out = new PrintWriter(getOutputFile("json"), "UTF-8")) {
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128 out.println("{\"shapes\": [");
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129 boolean first = true;
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130 for (ShapeImpl shape : getAllShapes()) {
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131 if (!first) {
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132 out.println(",");
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133 }
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134 first = false;
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135 out.print(shape.accept(new JSONShapeVisitor()));
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136 }
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137 if (!first) {
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138 out.println();
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139 }
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140 out.println("]}");
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141 }
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142 }
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143
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144 private void dumpIGV() {
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145 GraphPrintVisitor printer = new GraphPrintVisitor();
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146 printer.beginGroup("shapes");
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147 IGVShapeVisitor visitor = new IGVShapeVisitor(printer);
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148 for (ShapeImpl shape : getAllShapes()) {
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149 if (isRootShape(shape)) {
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150 printer.beginGraph(DebugShapeVisitor.getId(shape));
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151 shape.accept(visitor);
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152 printer.endGraph();
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153 }
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154 }
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155 printer.beginGraph("all shapes");
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156 for (ShapeImpl shape : getAllShapes()) {
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157 if (isRootShape(shape)) {
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158 shape.accept(visitor);
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159 }
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160 }
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161 printer.endGraph();
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162 printer.endGroup();
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163 printer.printToNetwork(false);
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164 }
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165
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166 private boolean isRootShape(ShapeImpl shape) {
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167 return shape.getParent() == null;
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168 }
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169
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170 private File getOutputFile(String extension) {
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171 return Paths.get(ObjectStorageOptions.DumpShapesPath, "shapes." + extension).toFile();
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172 }
18408
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173 }));
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174 }
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175 }
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176 }