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annotate truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/instrument/InstrumentationTestNodes.java @ 22450:fa1061fb21fa

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Truffle/Instrumentation: Language-specific Wrapper nodes no longer need to explicitly propagate KillException or QuitException.
author Michael Van De Vanter <michael.van.de.vanter@oracle.com>
date Wed, 04 Nov 2015 16:12:56 -0800
parents 260e3cdf11ec
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
20106
2e3cc2a27711 Truffle/Instrumentation: a new flavor of Instrument that lazily provides an AST fragment to be attached/adopted directly into a running AST, and to which execution event notifications will be routed. Important use cases so far include conditional breakpoints (with optimizeable conditions) and Ruby set_trace_func.
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1 /*
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2 * Copyright (c) 2014, 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.
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8 *
2e3cc2a27711 Truffle/Instrumentation: a new flavor of Instrument that lazily provides an AST fragment to be attached/adopted directly into a running AST, and to which execution event notifications will be routed. Important use cases so far include conditional breakpoints (with optimizeable conditions) and Ruby set_trace_func.
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
2e3cc2a27711 Truffle/Instrumentation: a new flavor of Instrument that lazily provides an AST fragment to be attached/adopted directly into a running AST, and to which execution event notifications will be routed. Important use cases so far include conditional breakpoints (with optimizeable conditions) and Ruby set_trace_func.
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
2e3cc2a27711 Truffle/Instrumentation: a new flavor of Instrument that lazily provides an AST fragment to be attached/adopted directly into a running AST, and to which execution event notifications will be routed. Important use cases so far include conditional breakpoints (with optimizeable conditions) and Ruby set_trace_func.
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
2e3cc2a27711 Truffle/Instrumentation: a new flavor of Instrument that lazily provides an AST fragment to be attached/adopted directly into a running AST, and to which execution event notifications will be routed. Important use cases so far include conditional breakpoints (with optimizeable conditions) and Ruby set_trace_func.
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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
2e3cc2a27711 Truffle/Instrumentation: a new flavor of Instrument that lazily provides an AST fragment to be attached/adopted directly into a running AST, and to which execution event notifications will be routed. Important use cases so far include conditional breakpoints (with optimizeable conditions) and Ruby set_trace_func.
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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.
2e3cc2a27711 Truffle/Instrumentation: a new flavor of Instrument that lazily provides an AST fragment to be attached/adopted directly into a running AST, and to which execution event notifications will be routed. Important use cases so far include conditional breakpoints (with optimizeable conditions) and Ruby set_trace_func.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2e3cc2a27711 Truffle/Instrumentation: a new flavor of Instrument that lazily provides an AST fragment to be attached/adopted directly into a running AST, and to which execution event notifications will be routed. Important use cases so far include conditional breakpoints (with optimizeable conditions) and Ruby set_trace_func.
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.truffle.api.test.instrument;
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24
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25 import com.oracle.truffle.api.CallTarget;
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26 import com.oracle.truffle.api.frame.VirtualFrame;
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27 import com.oracle.truffle.api.instrument.EventHandlerNode;
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28 import com.oracle.truffle.api.instrument.Instrumenter;
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29 import com.oracle.truffle.api.instrument.Probe;
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30 import com.oracle.truffle.api.instrument.WrapperNode;
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31 import com.oracle.truffle.api.nodes.Node;
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32 import com.oracle.truffle.api.nodes.NodeCost;
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33 import com.oracle.truffle.api.nodes.NodeInfo;
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34 import com.oracle.truffle.api.nodes.RootNode;
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35
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36 /**
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37 * Tests instrumentation where a client can attach a node that gets attached into the AST.
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38 */
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39 class InstrumentationTestNodes {
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40
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41 abstract static class TestLanguageNode extends Node {
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42 public abstract Object execute(VirtualFrame vFrame);
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43
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44 }
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45
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46 @NodeInfo(cost = NodeCost.NONE)
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47 static class TestLanguageWrapperNode extends TestLanguageNode implements WrapperNode {
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48 @Child private TestLanguageNode child;
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49 @Child private EventHandlerNode eventHandlerNode;
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50
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51 public TestLanguageWrapperNode(TestLanguageNode child) {
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52 assert !(child instanceof TestLanguageWrapperNode);
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53 this.child = child;
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54 }
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55
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56 @Override
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57 public String instrumentationInfo() {
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58 return "Wrapper node for testing";
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59 }
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60
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61 @Override
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62 public void insertEventHandlerNode(EventHandlerNode eventHandler) {
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63 this.eventHandlerNode = eventHandler;
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64 }
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65
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66 @Override
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67 public Probe getProbe() {
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68 return eventHandlerNode.getProbe();
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69 }
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70
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71 @Override
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72 public Node getChild() {
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73 return child;
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74 }
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75
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76 @Override
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77 public Object execute(VirtualFrame vFrame) {
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78 eventHandlerNode.enter(child, vFrame);
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79 Object result;
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80 try {
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81 result = child.execute(vFrame);
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82 eventHandlerNode.returnValue(child, vFrame, result);
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83 } catch (Exception e) {
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84 eventHandlerNode.returnExceptional(child, vFrame, e);
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85 throw (e);
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86 }
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87 return result;
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88 }
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89 }
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90
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91 /**
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92 * A simple node for our test language to store a value.
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93 */
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94 static class TestValueNode extends TestLanguageNode {
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95 private final int value;
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96
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97 public TestValueNode(int value) {
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98 this.value = value;
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99 }
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100
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101 @Override
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102 public Object execute(VirtualFrame vFrame) {
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103 return new Integer(this.value);
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104 }
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105 }
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106
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107 /**
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108 * A node for our test language that adds up two {@link TestValueNode}s.
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109 */
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110 static class TestAdditionNode extends TestLanguageNode {
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111 @Child private TestLanguageNode leftChild;
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112 @Child private TestLanguageNode rightChild;
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113
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114 public TestAdditionNode(TestValueNode leftChild, TestValueNode rightChild) {
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115 this.leftChild = insert(leftChild);
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116 this.rightChild = insert(rightChild);
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117 }
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118
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119 @Override
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120 public Object execute(VirtualFrame vFrame) {
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121 return new Integer(((Integer) leftChild.execute(vFrame)).intValue() + ((Integer) rightChild.execute(vFrame)).intValue());
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122 }
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123 }
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124
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125 /**
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126 * Truffle requires that all guest languages to have a {@link RootNode} which sits atop any AST
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127 * of the guest language. This is necessary since creating a {@link CallTarget} is how Truffle
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128 * completes an AST. The root nodes serves as our entry point into a program.
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129 */
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130 static class InstrumentationTestRootNode extends RootNode {
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131 @Child private TestLanguageNode body;
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132
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133 /**
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134 * This constructor emulates the global machinery that applies registered probers to every
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135 * newly created AST. Global registry is not used, since that would interfere with other
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136 * tests run in the same environment.
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137 */
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138 public InstrumentationTestRootNode(TestLanguageNode body) {
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139 super(InstrumentationTestingLanguage.class, null, null);
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140 this.body = body;
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141 }
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142
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143 @Override
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144 public Object execute(VirtualFrame vFrame) {
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145 return body.execute(vFrame);
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146 }
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147
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148 @Override
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149 public boolean isCloningAllowed() {
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150 return true;
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151 }
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152 }
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153
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154 /**
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155 * Truffle requires that all guest languages to have a {@link RootNode} which sits atop any AST
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156 * of the guest language. This is necessary since creating a {@link CallTarget} is how Truffle
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157 * completes an AST. The root nodes serves as our entry point into a program.
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158 */
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159 static class TestRootNode extends RootNode {
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160 @Child private TestLanguageNode body;
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161
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162 final Instrumenter instrumenter;
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163
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164 /**
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165 * This constructor emulates the global machinery that applies registered probers to every
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166 * newly created AST. Global registry is not used, since that would interfere with other
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167 * tests run in the same environment.
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168 */
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169 public TestRootNode(TestLanguageNode body, Instrumenter instrumenter) {
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170 super(InstrumentationTestingLanguage.class, null, null);
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171 this.instrumenter = instrumenter;
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172 this.body = body;
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173 }
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174
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175 @Override
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176 public Object execute(VirtualFrame vFrame) {
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177 return body.execute(vFrame);
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178 }
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179
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180 @Override
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181 public boolean isCloningAllowed() {
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182 return true;
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183 }
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184 }
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185
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186 }