Mercurial > hg > truffle
annotate graal/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/instrument/InstrumentationTest.java @ 19818:907128d02b31
Truffle/Instrumentation: For clients of Instrumentation, replace the TruffleEventListener interface with two: InstrumentListener, and ASTInstrumentListener. The former is simple, completely Truffle-safe (can't affect Truffle execution), and designed for simple tools. The latter is similar to the previous interface.
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Thu, 12 Mar 2015 18:03:05 -0700 |
parents | b5467bb34b24 |
children | 1d6a7ea5de59 |
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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 * |
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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.api.test.instrument; |
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24 |
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25 import static org.junit.Assert.*; |
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26 |
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27 import java.util.*; |
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28 |
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29 import org.junit.*; |
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30 |
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31 import com.oracle.truffle.api.*; |
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32 import com.oracle.truffle.api.frame.*; |
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33 import com.oracle.truffle.api.instrument.*; |
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34 import com.oracle.truffle.api.instrument.ProbeFailure.Reason; |
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35 import com.oracle.truffle.api.instrument.ProbeNode.WrapperNode; |
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36 import com.oracle.truffle.api.instrument.impl.*; |
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37 import com.oracle.truffle.api.nodes.*; |
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38 |
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39 /** |
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40 * <h3>AST Instrumentation</h3> |
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41 * |
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42 * Instrumentation allows the insertion into Truffle ASTs language-specific instances of |
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43 * {@link WrapperNode} that propagate execution events through a {@link Probe} to any instances of |
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44 * {@link Instrument} that might be attached to the particular probe by tools. |
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45 * <ol> |
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46 * <li>Creates a simple add AST</li> |
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47 * <li>Verifies its structure</li> |
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48 * <li>"Probes" the add node by adding a {@link WrapperNode} and associated {@link Probe}</li> |
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49 * <li>Attaches a simple {@link Instrument} to the node via the Probe's {@link ProbeNode}</li> |
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50 * <li>Verifies the structure of the probed AST</li> |
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51 * <li>Verifies the execution of the probed AST</li> |
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52 * <li>Verifies the results observed by the instrument.</li> |
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53 * </ol> |
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54 * To do these tests, several required classes have been implemented in their most basic form, only |
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55 * implementing the methods necessary for the tests to pass, with stubs elsewhere. |
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56 */ |
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57 public class InstrumentationTest { |
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58 |
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59 private static final SyntaxTag ADD_TAG = new SyntaxTag() { |
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60 |
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61 @Override |
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62 public String name() { |
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63 return "Addition"; |
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64 } |
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65 |
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66 @Override |
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67 public String getDescription() { |
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68 return "Test Language Addition Node"; |
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69 } |
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70 }; |
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71 |
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72 private static final SyntaxTag VALUE_TAG = new SyntaxTag() { |
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73 |
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74 @Override |
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75 public String name() { |
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76 return "Value"; |
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77 } |
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78 |
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79 @Override |
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80 public String getDescription() { |
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81 return "Test Language Value Node"; |
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82 } |
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83 }; |
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84 |
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85 @Test |
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86 public void testInstrumentationStructure() { |
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87 // Create a simple addition AST |
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88 final TruffleRuntime runtime = Truffle.getRuntime(); |
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89 final TestValueNode leftValueNode = new TestValueNode(6); |
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90 final TestValueNode rightValueNode = new TestValueNode(7); |
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91 final TestAdditionNode addNode = new TestAdditionNode(leftValueNode, rightValueNode); |
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92 |
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93 try { |
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94 addNode.probe(); |
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95 } catch (ProbeException e) { |
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96 assertEquals(e.getFailure().getReason(), Reason.NO_PARENT); |
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97 } |
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98 final TestRootNode rootNode = new TestRootNode(addNode); |
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99 |
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100 // Creating a call target sets the parent pointers in this tree and is necessary prior to |
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101 // checking any parent/child relationships |
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102 final CallTarget callTarget1 = runtime.createCallTarget(rootNode); |
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103 |
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104 // Check the tree structure |
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105 assertEquals(addNode, leftValueNode.getParent()); |
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106 assertEquals(addNode, rightValueNode.getParent()); |
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107 Iterator<Node> iterator = addNode.getChildren().iterator(); |
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108 assertEquals(leftValueNode, iterator.next()); |
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109 assertEquals(rightValueNode, iterator.next()); |
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110 assertFalse(iterator.hasNext()); |
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111 assertEquals(rootNode, addNode.getParent()); |
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112 iterator = rootNode.getChildren().iterator(); |
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113 assertEquals(addNode, iterator.next()); |
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114 assertFalse(iterator.hasNext()); |
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115 |
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116 // Ensure it executes correctly |
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117 assertEquals(13, callTarget1.call()); |
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118 |
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119 // Probe the addition node |
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120 addNode.probe(); |
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121 |
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122 // Check the modified tree structure |
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123 assertEquals(addNode, leftValueNode.getParent()); |
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124 assertEquals(addNode, rightValueNode.getParent()); |
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125 iterator = addNode.getChildren().iterator(); |
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126 assertEquals(leftValueNode, iterator.next()); |
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127 assertEquals(rightValueNode, iterator.next()); |
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128 assertFalse(iterator.hasNext()); |
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129 |
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130 // Ensure there's a WrapperNode correctly inserted into the AST |
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131 iterator = rootNode.getChildren().iterator(); |
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132 Node wrapperNode = iterator.next(); |
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133 assertTrue(wrapperNode instanceof TestLanguageWrapperNode); |
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134 assertFalse(iterator.hasNext()); |
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135 assertEquals(rootNode, wrapperNode.getParent()); |
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136 |
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137 // Check that the WrapperNode has both the probe and the wrapped node as children |
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138 iterator = wrapperNode.getChildren().iterator(); |
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139 assertEquals(addNode, iterator.next()); |
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140 ProbeNode probeNode = (ProbeNode) iterator.next(); |
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141 assertTrue(probeNode.getProbe() != null); |
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142 assertFalse(iterator.hasNext()); |
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143 |
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144 // Check that you can't probe the WrapperNodes |
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145 TestLanguageWrapperNode wrapper = (TestLanguageWrapperNode) wrapperNode; |
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146 try { |
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147 wrapper.probe(); |
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148 fail(); |
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149 } catch (ProbeException e) { |
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150 assertEquals(e.getFailure().getReason(), Reason.WRAPPER_NODE); |
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151 } |
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152 |
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153 // Check that the "probed" AST still executes correctly |
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154 assertEquals(13, callTarget1.call()); |
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155 |
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156 } |
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157 |
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158 @Test |
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159 public void testListeners() { |
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160 |
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161 // Create a simple addition AST |
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162 final TruffleRuntime runtime = Truffle.getRuntime(); |
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163 final TestValueNode leftValueNode = new TestValueNode(6); |
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164 final TestValueNode rightValueNode = new TestValueNode(7); |
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165 final TestAdditionNode addNode = new TestAdditionNode(leftValueNode, rightValueNode); |
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166 final TestRootNode rootNode = new TestRootNode(addNode); |
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167 |
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168 // Creating a call target sets the parent pointers in this tree and is necessary prior to |
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169 // checking any parent/child relationships |
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170 final CallTarget callTarget = runtime.createCallTarget(rootNode); |
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171 // Probe the addition node |
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172 final Probe probe = addNode.probe(); |
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173 |
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174 // Check instrumentation with the simplest kind of counters. |
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175 // They should all be removed when the check is finished. |
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176 checkCounters(probe, callTarget, rootNode, new TestInstrumentCounter(), new TestInstrumentCounter(), new TestInstrumentCounter()); |
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177 |
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178 // Now try with the more complex flavor of listener |
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179 checkCounters(probe, callTarget, rootNode, new TestASTInstrumentCounter(), new TestASTInstrumentCounter(), new TestASTInstrumentCounter()); |
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180 |
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181 } |
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182 |
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183 private static void checkCounters(Probe probe, CallTarget callTarget, RootNode rootNode, TestCounter counterA, TestCounter counterB, TestCounter counterC) { |
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184 |
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185 // Attach a counting instrument to the probe |
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186 counterA.attach(probe); |
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187 |
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188 // Attach a second counting instrument to the probe |
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189 counterB.attach(probe); |
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190 |
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191 // Run it again and check that the two instruments are working |
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192 assertEquals(13, callTarget.call()); |
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193 assertEquals(counterA.enterCount(), 1); |
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194 assertEquals(counterA.leaveCount(), 1); |
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195 assertEquals(counterB.enterCount(), 1); |
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196 assertEquals(counterB.leaveCount(), 1); |
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197 |
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198 // Remove counterA |
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199 counterA.dispose(); |
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200 |
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201 // Run it again and check that instrument B is still working but not A |
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202 assertEquals(13, callTarget.call()); |
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203 assertEquals(counterA.enterCount(), 1); |
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204 assertEquals(counterA.leaveCount(), 1); |
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205 assertEquals(counterB.enterCount(), 2); |
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206 assertEquals(counterB.leaveCount(), 2); |
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207 |
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208 // Simulate a split by cloning the AST |
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209 final CallTarget callTarget2 = Truffle.getRuntime().createCallTarget((TestRootNode) rootNode.copy()); |
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210 // Run the clone and check that instrument B is still working but not A |
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211 assertEquals(13, callTarget2.call()); |
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212 assertEquals(counterA.enterCount(), 1); |
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213 assertEquals(counterA.leaveCount(), 1); |
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214 assertEquals(counterB.enterCount(), 3); |
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215 assertEquals(counterB.leaveCount(), 3); |
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216 |
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217 // Run the original and check that instrument B is still working but not A |
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218 assertEquals(13, callTarget2.call()); |
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219 assertEquals(counterA.enterCount(), 1); |
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220 assertEquals(counterA.leaveCount(), 1); |
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221 assertEquals(counterB.enterCount(), 4); |
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222 assertEquals(counterB.leaveCount(), 4); |
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223 |
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224 // Attach a second instrument to the probe |
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225 counterC.attach(probe); |
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226 |
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227 // Run the original and check that instruments B,C working but not A |
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228 assertEquals(13, callTarget.call()); |
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229 assertEquals(counterA.enterCount(), 1); |
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230 assertEquals(counterA.leaveCount(), 1); |
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231 assertEquals(counterB.enterCount(), 5); |
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232 assertEquals(counterB.leaveCount(), 5); |
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233 assertEquals(counterC.enterCount(), 1); |
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234 assertEquals(counterC.leaveCount(), 1); |
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235 |
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236 // Run the clone and check that instruments B,C working but not A |
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237 assertEquals(13, callTarget2.call()); |
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238 assertEquals(counterA.enterCount(), 1); |
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239 assertEquals(counterA.leaveCount(), 1); |
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240 assertEquals(counterB.enterCount(), 6); |
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241 assertEquals(counterB.leaveCount(), 6); |
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242 assertEquals(counterC.enterCount(), 2); |
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243 assertEquals(counterC.leaveCount(), 2); |
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244 |
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245 // Remove instrumentC |
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246 counterC.dispose(); |
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247 |
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248 // Run the original and check that instrument B working but not A,C |
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249 assertEquals(13, callTarget.call()); |
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250 assertEquals(counterA.enterCount(), 1); |
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251 assertEquals(counterA.leaveCount(), 1); |
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252 assertEquals(counterB.enterCount(), 7); |
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253 assertEquals(counterB.leaveCount(), 7); |
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254 assertEquals(counterC.enterCount(), 2); |
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255 assertEquals(counterC.leaveCount(), 2); |
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256 |
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257 // Run the clone and check that instrument B working but not A,C |
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258 assertEquals(13, callTarget2.call()); |
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259 assertEquals(counterA.enterCount(), 1); |
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260 assertEquals(counterA.leaveCount(), 1); |
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261 assertEquals(counterB.enterCount(), 8); |
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262 assertEquals(counterB.leaveCount(), 8); |
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263 assertEquals(counterC.enterCount(), 2); |
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264 assertEquals(counterC.leaveCount(), 2); |
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265 |
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266 // Remove instrumentB |
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267 counterB.dispose(); |
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268 |
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269 // Run both the original and clone, check that no instruments working |
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270 assertEquals(13, callTarget.call()); |
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271 assertEquals(13, callTarget2.call()); |
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272 assertEquals(counterA.enterCount(), 1); |
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273 assertEquals(counterA.leaveCount(), 1); |
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274 assertEquals(counterB.enterCount(), 8); |
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275 assertEquals(counterB.leaveCount(), 8); |
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276 assertEquals(counterC.enterCount(), 2); |
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277 assertEquals(counterC.leaveCount(), 2); |
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278 |
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279 } |
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280 |
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281 @Test |
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282 public void testTagging() { |
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283 |
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284 // Applies appropriate tags |
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285 final TestASTProber astProber = new TestASTProber(); |
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286 Probe.registerASTProber(astProber); |
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287 |
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288 // Listens for probes and tags being added |
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289 final TestProbeListener probeListener = new TestProbeListener(); |
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290 Probe.addProbeListener(probeListener); |
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291 |
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292 // Counts all entries to all instances of addition nodes |
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293 final TestMultiCounter additionCounter = new TestMultiCounter(); |
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294 |
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295 // Counts all entries to all instances of value nodes |
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296 final TestMultiCounter valueCounter = new TestMultiCounter(); |
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297 |
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298 // Create a simple addition AST |
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299 final TruffleRuntime runtime = Truffle.getRuntime(); |
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300 final TestValueNode leftValueNode = new TestValueNode(6); |
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301 final TestValueNode rightValueNode = new TestValueNode(7); |
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302 final TestAdditionNode addNode = new TestAdditionNode(leftValueNode, rightValueNode); |
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303 |
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304 final TestRootNode rootNode = new TestRootNode(addNode); |
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305 |
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306 final CallTarget callTarget = runtime.createCallTarget(rootNode); |
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307 |
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308 // Check that the prober added probes to the tree |
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309 assertEquals(probeListener.probeCount, 3); |
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310 assertEquals(probeListener.tagCount, 3); |
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311 |
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312 assertEquals(Probe.findProbesTaggedAs(ADD_TAG).size(), 1); |
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313 assertEquals(Probe.findProbesTaggedAs(VALUE_TAG).size(), 2); |
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314 |
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315 // Check that it executes correctly |
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316 assertEquals(13, callTarget.call()); |
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317 |
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318 // Dynamically attach a counter for all executions of all Addition nodes |
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319 for (Probe probe : Probe.findProbesTaggedAs(ADD_TAG)) { |
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320 additionCounter.attachCounter(probe); |
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321 } |
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322 // Dynamically attach a counter for all executions of all Value nodes |
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323 for (Probe probe : Probe.findProbesTaggedAs(VALUE_TAG)) { |
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324 valueCounter.attachCounter(probe); |
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325 } |
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326 |
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327 // Counters initialized at 0 |
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328 assertEquals(additionCounter.count, 0); |
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329 assertEquals(valueCounter.count, 0); |
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330 |
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331 // Execute again |
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332 assertEquals(13, callTarget.call()); |
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333 |
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334 // There are two value nodes in the AST, but only one addition node |
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335 assertEquals(additionCounter.count, 1); |
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336 assertEquals(valueCounter.count, 2); |
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337 |
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338 Probe.unregisterASTProber(astProber); |
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339 |
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340 } |
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341 |
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342 private abstract class TestLanguageNode extends Node { |
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343 public abstract Object execute(VirtualFrame vFrame); |
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344 |
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345 @Override |
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346 public boolean isInstrumentable() { |
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347 return true; |
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348 } |
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349 |
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350 @Override |
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351 public WrapperNode createWrapperNode() { |
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352 return new TestLanguageWrapperNode(this); |
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353 } |
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354 } |
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355 |
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356 @NodeInfo(cost = NodeCost.NONE) |
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357 private class TestLanguageWrapperNode extends TestLanguageNode implements WrapperNode { |
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358 @Child private TestLanguageNode child; |
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359 @Child private ProbeNode probeNode; |
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360 |
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361 public TestLanguageWrapperNode(TestLanguageNode child) { |
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362 assert !(child instanceof TestLanguageWrapperNode); |
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363 this.child = child; |
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364 } |
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365 |
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366 @Override |
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367 public String instrumentationInfo() { |
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368 return "Wrapper node for testing"; |
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369 } |
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370 |
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371 @Override |
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372 public boolean isInstrumentable() { |
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373 return false; |
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374 } |
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375 |
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376 @Override |
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377 public void insertProbe(ProbeNode newProbeNode) { |
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378 this.probeNode = newProbeNode; |
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379 } |
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380 |
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381 @Override |
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382 public Probe getProbe() { |
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383 try { |
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384 return probeNode.getProbe(); |
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385 } catch (IllegalStateException e) { |
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386 throw new IllegalStateException("Cannot call getProbe() on a wrapper that has no probe"); |
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387 } |
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388 } |
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389 |
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390 @Override |
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391 public Node getChild() { |
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392 return child; |
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393 } |
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394 |
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395 @Override |
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396 public Object execute(VirtualFrame vFrame) { |
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397 probeNode.enter(child, vFrame); |
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398 Object result; |
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399 |
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400 try { |
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401 result = child.execute(vFrame); |
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402 probeNode.returnValue(child, vFrame, result); |
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403 } catch (KillException e) { |
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404 throw (e); |
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405 } catch (Exception e) { |
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406 probeNode.returnExceptional(child, vFrame, e); |
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407 throw (e); |
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408 } |
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409 |
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410 return result; |
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411 } |
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412 } |
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413 |
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414 /** |
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415 * A simple node for our test language to store a value. |
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416 */ |
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417 private class TestValueNode extends TestLanguageNode { |
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418 private final int value; |
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419 |
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420 public TestValueNode(int value) { |
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421 this.value = value; |
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422 } |
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423 |
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424 @Override |
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425 public Object execute(VirtualFrame vFrame) { |
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426 return new Integer(this.value); |
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427 } |
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428 } |
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429 |
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430 /** |
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431 * A node for our test language that adds up two {@link TestValueNode}s. |
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432 */ |
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433 private class TestAdditionNode extends TestLanguageNode { |
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434 @Child private TestLanguageNode leftChild; |
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435 @Child private TestLanguageNode rightChild; |
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436 |
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437 public TestAdditionNode(TestValueNode leftChild, TestValueNode rightChild) { |
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438 this.leftChild = insert(leftChild); |
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439 this.rightChild = insert(rightChild); |
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440 } |
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441 |
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442 @Override |
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443 public Object execute(VirtualFrame vFrame) { |
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444 return new Integer(((Integer) leftChild.execute(vFrame)).intValue() + ((Integer) rightChild.execute(vFrame)).intValue()); |
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445 } |
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446 } |
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447 |
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448 /** |
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449 * Truffle requires that all guest languages to have a {@link RootNode} which sits atop any AST |
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450 * of the guest language. This is necessary since creating a {@link CallTarget} is how Truffle |
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451 * completes an AST. The root nodes serves as our entry point into a program. |
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452 */ |
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453 private class TestRootNode extends RootNode { |
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454 @Child private TestLanguageNode body; |
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455 |
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456 /** |
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457 * This constructor emulates the global machinery that applies registered probers to every |
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458 * newly created AST. Global registry is not used, since that would interfere with other |
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459 * tests run in the same environment. |
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460 */ |
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461 public TestRootNode(TestLanguageNode body) { |
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462 super(null); |
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463 this.body = body; |
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464 } |
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465 |
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466 @Override |
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467 public Object execute(VirtualFrame vFrame) { |
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468 return body.execute(vFrame); |
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469 } |
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470 |
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471 @Override |
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472 public boolean isCloningAllowed() { |
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473 return true; |
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474 } |
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475 |
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476 @Override |
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477 public void applyInstrumentation() { |
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478 Probe.applyASTProbers(body); |
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479 } |
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480 } |
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481 |
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482 private interface TestCounter { |
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483 |
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484 int enterCount(); |
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485 |
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486 int leaveCount(); |
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487 |
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488 void attach(Probe probe); |
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489 |
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490 void dispose(); |
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491 |
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492 } |
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493 |
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494 /** |
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495 * A counter for the number of times execution enters and leaves a probed AST node, using the |
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496 * simplest kind of listener. |
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497 */ |
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498 private class TestInstrumentCounter implements TestCounter { |
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499 |
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500 public int enterCount = 0; |
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501 public int leaveCount = 0; |
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502 public final Instrument instrument; |
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503 |
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504 public TestInstrumentCounter() { |
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505 this.instrument = Instrument.create(new SimpleInstrumentListener() { |
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506 |
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507 @Override |
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508 public void enter(Probe probe) { |
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509 enterCount++; |
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510 } |
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511 |
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512 @Override |
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513 public void returnAny(Probe probe) { |
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514 leaveCount++; |
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515 } |
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516 |
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517 }, "Instrumentation Test Counter"); |
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518 |
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519 } |
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520 |
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521 public int enterCount() { |
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522 return enterCount; |
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523 } |
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524 |
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525 public int leaveCount() { |
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526 return leaveCount; |
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527 } |
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528 |
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529 public void attach(Probe probe) { |
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530 probe.attach(instrument); |
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531 } |
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532 |
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533 public void dispose() { |
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534 instrument.dispose(); |
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535 } |
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536 } |
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537 |
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538 /** |
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539 * A counter for the number of times execution enters and leaves a probed AST node, using the |
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540 * simplest kind of listener. |
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541 */ |
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542 private class TestASTInstrumentCounter implements TestCounter { |
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543 |
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544 public int enterCount = 0; |
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545 public int leaveCount = 0; |
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546 public final Instrument instrument; |
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547 |
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548 public TestASTInstrumentCounter() { |
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549 this.instrument = Instrument.create(new SimpleASTInstrumentListener() { |
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550 |
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551 @Override |
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552 public void enter(Probe probe, Node node, VirtualFrame vFrame) { |
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553 enterCount++; |
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554 } |
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555 |
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556 @Override |
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557 public void returnAny(Probe probe, Node node, VirtualFrame vFrame) { |
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558 leaveCount++; |
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559 } |
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560 |
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561 }, "Instrumentation Test Counter"); |
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562 |
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563 } |
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564 |
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565 public int enterCount() { |
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566 return enterCount; |
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567 } |
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568 |
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569 public int leaveCount() { |
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570 return leaveCount; |
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571 } |
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572 |
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573 public void attach(Probe probe) { |
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574 probe.attach(instrument); |
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575 } |
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576 |
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577 public void dispose() { |
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578 instrument.dispose(); |
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579 } |
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580 } |
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581 |
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582 /** |
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583 * Tags selected nodes on newly constructed ASTs. |
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584 */ |
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585 private static final class TestASTProber implements NodeVisitor, ASTProber { |
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586 |
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587 @Override |
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588 public boolean visit(Node node) { |
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589 if (node instanceof TestLanguageNode) { |
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590 |
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591 final TestLanguageNode testNode = (TestLanguageNode) node; |
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592 |
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593 if (node instanceof TestValueNode) { |
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594 testNode.probe().tagAs(VALUE_TAG, null); |
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595 |
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596 } else if (node instanceof TestAdditionNode) { |
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597 testNode.probe().tagAs(ADD_TAG, null); |
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598 |
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599 } |
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600 } |
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601 return true; |
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602 } |
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603 |
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604 @Override |
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605 public void probeAST(Node node) { |
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606 node.accept(this); |
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607 } |
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608 } |
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609 |
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610 /** |
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611 * Counts the number of "enter" events at probed nodes using the simplest AST listener. |
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612 */ |
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613 static final class TestInstrumentListener extends DefaultInstrumentListener { |
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614 |
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615 public int counter = 0; |
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616 |
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617 @Override |
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618 public void enter(Probe probe) { |
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619 counter++; |
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620 } |
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621 |
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622 } |
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623 |
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624 /** |
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625 * Counts the number of "enter" events at probed nodes using the AST listener. |
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626 */ |
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627 static final class TestASTInstrumentListener extends DefaultASTInstrumentListener { |
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628 |
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629 public int counter = 0; |
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630 |
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631 @Override |
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632 public void enter(Probe probe, Node node, VirtualFrame vFrame) { |
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633 counter++; |
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634 } |
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635 |
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636 } |
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637 |
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638 /** |
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639 * A counter that can count executions at multiple nodes; it attaches a separate instrument at |
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640 * each Probe, but keeps a total count. |
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641 */ |
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642 private static final class TestMultiCounter { |
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643 |
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644 public int count = 0; |
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645 |
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646 public void attachCounter(Probe probe) { |
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647 |
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648 // Attach a new instrument for every Probe |
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649 // where we want to count executions. |
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650 // it will get copied when ASTs cloned, so |
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651 // keep the count in this outer class. |
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652 probe.attach(Instrument.create(new DefaultInstrumentListener() { |
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653 |
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654 @Override |
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655 public void enter(Probe p) { |
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656 count++; |
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657 } |
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658 }, "Instrumentation Test MultiCounter")); |
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659 } |
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660 } |
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661 |
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662 private static final class TestProbeListener extends DefaultProbeListener { |
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663 |
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664 public int probeCount = 0; |
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665 public int tagCount = 0; |
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666 |
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667 @Override |
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668 public void newProbeInserted(Probe probe) { |
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669 probeCount++; |
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670 } |
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671 |
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672 @Override |
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673 public void probeTaggedAs(Probe probe, SyntaxTag tag, Object tagValue) { |
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674 tagCount++; |
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675 } |
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676 } |
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677 |
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678 } |