Mercurial > hg > truffle
annotate truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/instrument/InstrumentationTestNodes.java @ 22219:1c0f490984d5
Merge with f47b601edbc626dcfe8b3636933b4834c89f7779
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Wed, 16 Sep 2015 15:36:22 -0700 |
parents | dc83cc1f94f2 3aad794eec0e |
children | 20380d1d41f2 |
rev | line source |
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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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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 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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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 |
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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 |
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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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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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13 * accompanied this code). |
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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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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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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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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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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 java.lang.reflect.Field; |
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26 import java.lang.reflect.InvocationTargetException; |
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27 import java.lang.reflect.Method; |
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28 |
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29 import com.oracle.truffle.api.CallTarget; |
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30 import com.oracle.truffle.api.frame.VirtualFrame; |
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31 import com.oracle.truffle.api.instrument.AdvancedInstrumentRoot; |
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32 import com.oracle.truffle.api.instrument.Instrumenter; |
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33 import com.oracle.truffle.api.instrument.KillException; |
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34 import com.oracle.truffle.api.instrument.Probe; |
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35 import com.oracle.truffle.api.instrument.ProbeNode; |
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36 import com.oracle.truffle.api.instrument.ProbeNode.WrapperNode; |
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37 import com.oracle.truffle.api.nodes.Node; |
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38 import com.oracle.truffle.api.nodes.NodeCost; |
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39 import com.oracle.truffle.api.nodes.NodeInfo; |
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40 import com.oracle.truffle.api.nodes.RootNode; |
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41 import com.oracle.truffle.api.test.TestingLanguage; |
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42 import com.oracle.truffle.api.vm.TruffleVM; |
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43 |
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44 /** |
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45 * Tests instrumentation where a client can attach a node that gets attached into the AST. |
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46 */ |
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47 class InstrumentationTestNodes { |
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48 |
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49 static Instrumenter createInstrumenter() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException { |
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50 TruffleVM vm = TruffleVM.newVM().build(); |
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51 final Field field = TruffleVM.class.getDeclaredField("instrumenter"); |
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52 field.setAccessible(true); |
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53 final Instrumenter instrument = (Instrumenter) field.get(vm); |
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54 return instrument; |
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55 } |
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56 |
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57 abstract static class TestLanguageNode extends Node { |
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58 public abstract Object execute(VirtualFrame vFrame); |
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59 |
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60 @Override |
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61 public boolean isInstrumentable() { |
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62 return true; |
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63 } |
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64 |
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65 @Override |
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66 public WrapperNode createWrapperNode() { |
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67 return new TestLanguageWrapperNode(this); |
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68 } |
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69 } |
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70 |
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71 @NodeInfo(cost = NodeCost.NONE) |
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72 static class TestLanguageWrapperNode extends TestLanguageNode implements WrapperNode { |
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73 @Child private TestLanguageNode child; |
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74 @Child private ProbeNode probeNode; |
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75 |
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76 public TestLanguageWrapperNode(TestLanguageNode child) { |
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77 assert !(child instanceof TestLanguageWrapperNode); |
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78 this.child = child; |
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79 } |
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80 |
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81 @Override |
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82 public String instrumentationInfo() { |
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83 return "Wrapper node for testing"; |
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84 } |
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85 |
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86 @Override |
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87 public boolean isInstrumentable() { |
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88 return false; |
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89 } |
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90 |
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91 @Override |
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92 public void insertProbe(ProbeNode newProbeNode) { |
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93 this.probeNode = newProbeNode; |
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94 } |
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95 |
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96 @Override |
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97 public Probe getProbe() { |
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98 return probeNode.getProbe(); |
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99 } |
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100 |
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101 @Override |
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102 public Node getChild() { |
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103 return child; |
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104 } |
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105 |
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106 @Override |
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107 public Object execute(VirtualFrame vFrame) { |
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108 probeNode.enter(child, vFrame); |
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109 Object result; |
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110 try { |
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111 result = child.execute(vFrame); |
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112 probeNode.returnValue(child, vFrame, result); |
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113 } catch (KillException e) { |
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114 throw (e); |
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115 } catch (Exception e) { |
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116 probeNode.returnExceptional(child, vFrame, e); |
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117 throw (e); |
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118 } |
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119 return result; |
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120 } |
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121 } |
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122 |
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123 /** |
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124 * A simple node for our test language to store a value. |
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125 */ |
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126 static class TestValueNode extends TestLanguageNode { |
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127 private final int value; |
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128 |
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129 public TestValueNode(int value) { |
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130 this.value = value; |
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131 } |
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132 |
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133 @Override |
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134 public Object execute(VirtualFrame vFrame) { |
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135 return new Integer(this.value); |
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136 } |
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137 } |
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138 |
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139 /** |
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140 * A node for our test language that adds up two {@link TestValueNode}s. |
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141 */ |
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142 static class TestAdditionNode extends TestLanguageNode { |
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143 @Child private TestLanguageNode leftChild; |
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144 @Child private TestLanguageNode rightChild; |
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145 |
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146 public TestAdditionNode(TestValueNode leftChild, TestValueNode rightChild) { |
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147 this.leftChild = insert(leftChild); |
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148 this.rightChild = insert(rightChild); |
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149 } |
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150 |
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151 @Override |
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152 public Object execute(VirtualFrame vFrame) { |
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153 return new Integer(((Integer) leftChild.execute(vFrame)).intValue() + ((Integer) rightChild.execute(vFrame)).intValue()); |
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154 } |
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155 } |
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156 |
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157 /** |
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158 * Truffle requires that all guest languages to have a {@link RootNode} which sits atop any AST |
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159 * of the guest language. This is necessary since creating a {@link CallTarget} is how Truffle |
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160 * completes an AST. The root nodes serves as our entry point into a program. |
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161 */ |
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162 static class TestRootNode extends RootNode { |
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163 @Child private TestLanguageNode body; |
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164 |
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165 final Instrumenter instrumenter; |
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166 |
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167 /** |
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168 * This constructor emulates the global machinery that applies registered probers to every |
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169 * newly created AST. Global registry is not used, since that would interfere with other |
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170 * tests run in the same environment. |
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171 */ |
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172 public TestRootNode(TestLanguageNode body, Instrumenter instrumenter) { |
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173 super(TestingLanguage.class, null, null); |
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174 this.instrumenter = instrumenter; |
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175 this.body = body; |
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176 } |
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177 |
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178 @Override |
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179 public Object execute(VirtualFrame vFrame) { |
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180 return body.execute(vFrame); |
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181 } |
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182 |
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183 @Override |
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184 public boolean isCloningAllowed() { |
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185 return true; |
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186 } |
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187 |
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188 @Override |
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189 public void applyInstrumentation() { |
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190 Method method; |
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191 try { |
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192 method = Instrumenter.class.getDeclaredMethod("applyInstrumentation", Node.class); |
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193 method.setAccessible(true); |
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194 method.invoke(instrumenter, body); |
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195 } catch (NoSuchMethodException | SecurityException | IllegalAccessException | IllegalArgumentException | InvocationTargetException e) { |
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196 throw new RuntimeException("InstrumentationTestNodes"); |
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197 } |
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198 } |
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199 } |
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200 |
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201 static class TestAdvancedInstrumentCounterRoot extends AdvancedInstrumentRoot { |
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202 |
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203 private long count; |
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204 |
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205 @Override |
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206 public Object executeRoot(Node node, VirtualFrame vFrame) { |
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207 count++; |
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208 return null; |
20910
0b2e4d40b683
Truffle/Instrumentation: test code renaming and cleanup for the new kind of instrument, now known as a SpliceInstrument.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
20106
diff
changeset
|
209 } |
0b2e4d40b683
Truffle/Instrumentation: test code renaming and cleanup for the new kind of instrument, now known as a SpliceInstrument.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
20106
diff
changeset
|
210 |
0b2e4d40b683
Truffle/Instrumentation: test code renaming and cleanup for the new kind of instrument, now known as a SpliceInstrument.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
20106
diff
changeset
|
211 public long getCount() { |
0b2e4d40b683
Truffle/Instrumentation: test code renaming and cleanup for the new kind of instrument, now known as a SpliceInstrument.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
20106
diff
changeset
|
212 return count; |
0b2e4d40b683
Truffle/Instrumentation: test code renaming and cleanup for the new kind of instrument, now known as a SpliceInstrument.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
20106
diff
changeset
|
213 } |
21181
78a4b44420cf
Truffle/Instrumentation: rename the "SplicedNode" Instrument kind to the "ToolEval" instrument kind, along with some redesign based on earlier feedback.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
20910
diff
changeset
|
214 |
78a4b44420cf
Truffle/Instrumentation: rename the "SplicedNode" Instrument kind to the "ToolEval" instrument kind, along with some redesign based on earlier feedback.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
20910
diff
changeset
|
215 public String instrumentationInfo() { |
78a4b44420cf
Truffle/Instrumentation: rename the "SplicedNode" Instrument kind to the "ToolEval" instrument kind, along with some redesign based on earlier feedback.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
20910
diff
changeset
|
216 return null; |
78a4b44420cf
Truffle/Instrumentation: rename the "SplicedNode" Instrument kind to the "ToolEval" instrument kind, along with some redesign based on earlier feedback.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
20910
diff
changeset
|
217 } |
20910
0b2e4d40b683
Truffle/Instrumentation: test code renaming and cleanup for the new kind of instrument, now known as a SpliceInstrument.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
20106
diff
changeset
|
218 } |
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>
parents:
diff
changeset
|
219 } |