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annotate truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/instrument/InstrumentationTestNodes.java @ 22157:dc83cc1f94f2

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Using fully qualified imports
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 16 Sep 2015 11:33:22 +0200
parents 5bc7f7b867ab
children 1c0f490984d5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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1 /*
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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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.
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.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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4 *
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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5 * This code is free software; you can redistribute it and/or modify it
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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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.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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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
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.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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13 * accompanied this code).
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.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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14 *
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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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.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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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 *
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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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
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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21 * questions.
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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22 */
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23 package com.oracle.truffle.api.test.instrument;
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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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.AdvancedInstrumentRoot;
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28 import com.oracle.truffle.api.instrument.KillException;
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29 import com.oracle.truffle.api.instrument.Probe;
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30 import com.oracle.truffle.api.instrument.ProbeNode;
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31 import com.oracle.truffle.api.instrument.ProbeNode.WrapperNode;
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32 import com.oracle.truffle.api.nodes.Node;
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33 import com.oracle.truffle.api.nodes.NodeCost;
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34 import com.oracle.truffle.api.nodes.NodeInfo;
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35 import com.oracle.truffle.api.nodes.RootNode;
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5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
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36 import com.oracle.truffle.api.test.TestingLanguage;
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37
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38 /**
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39 * Tests instrumentation where a client can attach a node that gets attached into the AST.
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40 */
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41 class InstrumentationTestNodes {
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42
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43 abstract static class TestLanguageNode extends Node {
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44 public abstract Object execute(VirtualFrame vFrame);
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45
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46 @Override
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47 public boolean isInstrumentable() {
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48 return true;
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49 }
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50
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51 @Override
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52 public WrapperNode createWrapperNode() {
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53 return new TestLanguageWrapperNode(this);
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54 }
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55 }
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56
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57 @NodeInfo(cost = NodeCost.NONE)
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58 static class TestLanguageWrapperNode extends TestLanguageNode implements WrapperNode {
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59 @Child private TestLanguageNode child;
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60 @Child private ProbeNode probeNode;
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61
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62 public TestLanguageWrapperNode(TestLanguageNode child) {
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63 assert !(child instanceof TestLanguageWrapperNode);
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64 this.child = child;
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65 }
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66
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67 @Override
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68 public String instrumentationInfo() {
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69 return "Wrapper node for testing";
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70 }
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71
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72 @Override
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73 public boolean isInstrumentable() {
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74 return false;
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75 }
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76
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77 @Override
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78 public void insertProbe(ProbeNode newProbeNode) {
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79 this.probeNode = newProbeNode;
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80 }
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81
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82 @Override
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83 public Probe getProbe() {
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84 return probeNode.getProbe();
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85 }
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86
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87 @Override
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88 public Node getChild() {
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89 return child;
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90 }
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91
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92 @Override
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93 public Object execute(VirtualFrame vFrame) {
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94 probeNode.enter(child, vFrame);
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95 Object result;
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96 try {
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97 result = child.execute(vFrame);
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98 probeNode.returnValue(child, vFrame, result);
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99 } catch (KillException e) {
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100 throw (e);
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101 } catch (Exception e) {
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102 probeNode.returnExceptional(child, vFrame, e);
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103 throw (e);
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104 }
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105 return result;
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106 }
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107 }
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108
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109 /**
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110 * A simple node for our test language to store a value.
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111 */
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112 static class TestValueNode extends TestLanguageNode {
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113 private final int value;
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114
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115 public TestValueNode(int value) {
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116 this.value = value;
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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(this.value);
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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 * A node for our test language that adds up two {@link TestValueNode}s.
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127 */
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128 static class TestAdditionNode extends TestLanguageNode {
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129 @Child private TestLanguageNode leftChild;
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130 @Child private TestLanguageNode rightChild;
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131
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132 public TestAdditionNode(TestValueNode leftChild, TestValueNode rightChild) {
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133 this.leftChild = insert(leftChild);
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134 this.rightChild = insert(rightChild);
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135 }
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136
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137 @Override
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138 public Object execute(VirtualFrame vFrame) {
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139 return new Integer(((Integer) leftChild.execute(vFrame)).intValue() + ((Integer) rightChild.execute(vFrame)).intValue());
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140 }
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141 }
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142
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143 /**
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144 * Truffle requires that all guest languages to have a {@link RootNode} which sits atop any AST
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145 * of the guest language. This is necessary since creating a {@link CallTarget} is how Truffle
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146 * completes an AST. The root nodes serves as our entry point into a program.
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147 */
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148 static class TestRootNode extends RootNode {
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149 @Child private TestLanguageNode body;
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150
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151 /**
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152 * This constructor emulates the global machinery that applies registered probers to every
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153 * newly created AST. Global registry is not used, since that would interfere with other
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154 * tests run in the same environment.
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155 */
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156 public TestRootNode(TestLanguageNode body) {
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157 super(TestingLanguage.class, null, null);
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158 this.body = body;
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159 }
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160
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161 @Override
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162 public Object execute(VirtualFrame vFrame) {
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163 return body.execute(vFrame);
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164 }
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165
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166 @Override
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167 public boolean isCloningAllowed() {
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168 return true;
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169 }
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170
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171 @Override
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172 public void applyInstrumentation() {
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173 Probe.applyASTProbers(body);
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174 }
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175 }
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176
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177 static class TestAdvancedInstrumentCounterRoot extends AdvancedInstrumentRoot {
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178
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179 private long count;
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180
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181 @Override
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182 public Object executeRoot(Node node, VirtualFrame vFrame) {
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183 count++;
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184 return null;
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185 }
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186
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187 public long getCount() {
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188 return count;
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189 }
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190
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191 public String instrumentationInfo() {
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192 return null;
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193 }
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194 }
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195 }