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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/DebugValuesPrinter.java @ 21543:93c50cefb9e8

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moved GraalInternalError to com.oracle.jvmci.common and renamed it to JVMCIError (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Mon, 25 May 2015 23:30:34 +0200
parents 33b1be0d91fc
children b1530a6cce8c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 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 *
66a9286203a2 decoupled Graal runtime initialization and Graal compilation queue initialization
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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
66a9286203a2 decoupled Graal runtime initialization and Graal compilation queue initialization
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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 *
66a9286203a2 decoupled Graal runtime initialization and Graal compilation queue initialization
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15 * You should have received a copy of the GNU General Public License version
66a9286203a2 decoupled Graal runtime initialization and Graal compilation queue initialization
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16 * 2 along with this work; if not, write to the Free Software Foundation,
66a9286203a2 decoupled Graal runtime initialization and Graal compilation queue initialization
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.hotspot;
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24
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25 import static com.oracle.graal.compiler.GraalDebugConfig.*;
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26
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27 import java.io.*;
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28 import java.util.*;
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29 import java.util.regex.*;
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30 import java.util.stream.*;
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31
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32 import com.oracle.graal.debug.*;
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33 import com.oracle.graal.debug.internal.*;
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34 import com.oracle.jvmci.common.*;
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35
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36 /**
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37 * Facility for printing the {@linkplain KeyRegistry#getDebugValues() values} collected across all
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38 * {@link DebugValueMap#getTopLevelMaps() threads}.
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39 */
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40 public class DebugValuesPrinter {
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41
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42 public void printDebugValues() throws JVMCIError {
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43 TTY.println();
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44 TTY.println("<DebugValues>");
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45 List<DebugValueMap> topLevelMaps = DebugValueMap.getTopLevelMaps();
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46 List<DebugValue> debugValues = KeyRegistry.getDebugValues();
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47 if (debugValues.size() > 0) {
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48 try {
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49 ArrayList<DebugValue> sortedValues = new ArrayList<>(debugValues);
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50 Collections.sort(sortedValues);
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51
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52 String summary = DebugValueSummary.getValue();
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53 if (summary == null) {
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54 summary = "Complete";
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55 }
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56 if (DebugValueThreadFilter.getValue() != null && topLevelMaps.size() != 0) {
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57 topLevelMaps = topLevelMaps.stream().filter(map -> Pattern.compile(DebugValueThreadFilter.getValue()).matcher(map.getName()).find()).collect(Collectors.toList());
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58 if (topLevelMaps.size() == 0) {
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59 TTY.println("Warning: DebugValueThreadFilter=%s eliminated all maps so nothing will be printed", DebugValueThreadFilter.getValue());
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60 }
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61 }
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62 switch (summary) {
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63 case "Name":
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64 printSummary(topLevelMaps, sortedValues);
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65 break;
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66 case "Partial": {
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67 DebugValueMap globalMap = new DebugValueMap("Global");
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68 for (DebugValueMap map : topLevelMaps) {
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69 flattenChildren(map, globalMap);
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70 }
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71 globalMap.normalize();
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72 printMap(new DebugValueScope(null, globalMap), sortedValues);
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73 break;
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74 }
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75 case "Complete": {
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76 DebugValueMap globalMap = new DebugValueMap("Global");
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77 for (DebugValueMap map : topLevelMaps) {
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78 globalMap.addChild(map);
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79 }
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80 globalMap.group();
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81 globalMap.normalize();
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82 printMap(new DebugValueScope(null, globalMap), sortedValues);
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83 break;
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84 }
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85 case "Thread":
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86 for (DebugValueMap map : topLevelMaps) {
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87 TTY.println("Showing the results for thread: " + map.getName());
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88 map.group();
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89 map.normalize();
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90 printMap(new DebugValueScope(null, map), sortedValues);
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91 }
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92 break;
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93 default:
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94 throw new JVMCIError("Unknown summary type: %s", summary);
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95 }
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96 for (DebugValueMap topLevelMap : topLevelMaps) {
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97 topLevelMap.reset();
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98 }
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99 } catch (Throwable e) {
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100 // Don't want this to change the exit status of the VM
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101 PrintStream err = System.err;
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102 err.println("Error while printing debug values:");
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103 e.printStackTrace();
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104 }
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105 }
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106 TTY.println("</DebugValues>");
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107 }
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108
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109 private void flattenChildren(DebugValueMap map, DebugValueMap globalMap) {
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110 globalMap.addChild(map);
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111 for (DebugValueMap child : map.getChildren()) {
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112 flattenChildren(child, globalMap);
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113 }
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114 map.clearChildren();
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115 }
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116
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117 private void printSummary(List<DebugValueMap> topLevelMaps, List<DebugValue> debugValues) {
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118 DebugValueMap result = new DebugValueMap("Summary");
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119 for (int i = debugValues.size() - 1; i >= 0; i--) {
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120 DebugValue debugValue = debugValues.get(i);
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121 int index = debugValue.getIndex();
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122 long total = collectTotal(topLevelMaps, index);
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123 result.setCurrentValue(index, total);
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124 }
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125 printMap(new DebugValueScope(null, result), debugValues);
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126 }
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127
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128 private long collectTotal(List<DebugValueMap> maps, int index) {
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129 long total = 0;
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130 for (int i = 0; i < maps.size(); i++) {
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131 DebugValueMap map = maps.get(i);
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132 total += map.getCurrentValue(index);
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133 total += collectTotal(map.getChildren(), index);
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134 }
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135 return total;
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136 }
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137
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138 /**
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139 * Tracks the scope when printing a {@link DebugValueMap}, allowing "empty" scopes to be
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140 * omitted. An empty scope is one in which there are no (nested) non-zero debug values.
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141 */
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142 static class DebugValueScope {
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143
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144 final DebugValueScope parent;
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145 final int level;
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146 final DebugValueMap map;
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147 private boolean printed;
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148
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149 public DebugValueScope(DebugValueScope parent, DebugValueMap map) {
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150 this.parent = parent;
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151 this.map = map;
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152 this.level = parent == null ? 0 : parent.level + 1;
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153 }
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154
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155 public void print() {
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156 if (!printed) {
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157 printed = true;
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158 if (parent != null) {
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159 parent.print();
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160 }
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161 printIndent(level);
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162 TTY.println("%s", map.getName());
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163 }
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164 }
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165 }
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166
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167 private void printMap(DebugValueScope scope, List<DebugValue> debugValues) {
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168
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169 for (DebugValue value : debugValues) {
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170 long l = scope.map.getCurrentValue(value.getIndex());
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171 if (l != 0 || !SuppressZeroDebugValues.getValue()) {
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172 scope.print();
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173 printIndent(scope.level + 1);
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174 TTY.println(value.getName() + "=" + value.toString(l));
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175 }
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176 }
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177
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178 for (DebugValueMap child : scope.map.getChildren()) {
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179 printMap(new DebugValueScope(scope, child), debugValues);
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180 }
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181 }
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182
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183 private static void printIndent(int level) {
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184 for (int i = 0; i < level; ++i) {
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185 TTY.print(" ");
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186 }
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187 TTY.print("|-> ");
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188 }
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189 }