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annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/instrument/Instrument.java @ 21354:575032310b2c

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Truffle/Instrumentation: runtime failures executing an AdvancedInstrument root are now reported automatically via a new mehtod onAdvancedInstrumentResultListener.
author Michael Van De Vanter <michael.van.de.vanter@oracle.com>
date Tue, 12 May 2015 14:48:33 -0700
parents 876e710523c5
children 442b57a7f208
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1 /*
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2 * Copyright (c) 2013, 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
0c6d8a08e31b Truffle: Major cleanup and extension of the Truffle Instrumentation framework in com.oracle.truffle.api
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7 * published by the Free Software Foundation. Oracle designates this
0c6d8a08e31b Truffle: Major cleanup and extension of the Truffle Instrumentation framework in com.oracle.truffle.api
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8 * particular file as subject to the "Classpath" exception as provided
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9 * by Oracle in the LICENSE file that accompanied this code.
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10 *
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11 * This code is distributed in the hope that it will be useful, but WITHOUT
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0c6d8a08e31b Truffle: Major cleanup and extension of the Truffle Instrumentation framework in com.oracle.truffle.api
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0c6d8a08e31b Truffle: Major cleanup and extension of the Truffle Instrumentation framework in com.oracle.truffle.api
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14 * version 2 for more details (a copy is included in the LICENSE file that
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15 * accompanied this code).
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16 *
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17 * You should have received a copy of the GNU General Public License version
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18 * 2 along with this work; if not, write to the Free Software Foundation,
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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20 *
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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22 * or visit www.oracle.com if you need additional information or have any
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23 * questions.
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24 */
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25 package com.oracle.truffle.api.instrument;
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26
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27 import com.oracle.truffle.api.*;
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28 import com.oracle.truffle.api.frame.*;
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29 import com.oracle.truffle.api.instrument.InstrumentationNode.TruffleEvents;
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30 import com.oracle.truffle.api.nodes.*;
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31 import com.oracle.truffle.api.source.*;
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32
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33 // TODO (mlvdv) these statics should not be global. Move them to some kind of context.
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34 // TODO (mlvdv) migrate factory into .impl (together with Probe)? break out nested classes?
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35
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36 /**
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37 * A <em>binding</em> between:
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38 * <ol>
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39 * <li>A {@link Probe}: a source of <em>execution events</em> taking place at a program location in
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40 * an executing Truffle AST, and</li>
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41 * <li>A <em>listener</em>: a consumer of execution events on behalf of an external client.
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42 * </ol>
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43 * <p>
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44 * Client-oriented documentation for the use of Instruments is available online at <a
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45 * HREF="https://wiki.openjdk.java.net/display/Graal/Listening+for+Execution+Events"
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46 * >https://wiki.openjdk.java.net/display/Graal/Listening+for+Execution+Events</a>
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47 * <p>
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48 * The implementation of Instruments is complicated by the requirement that Truffle be able to clone
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49 * ASTs at any time. In particular, any instrumentation-supporting Nodes that have been attached to
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50 * an AST must be cloned along with the AST: AST clones are not permitted to share Nodes.
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51 * <p>
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52 * AST cloning is intended to be as <em>transparent</em> as possible to clients. This is encouraged
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53 * by providing the {@link SimpleInstrumentListener} for clients that need know nothing more than
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54 * the properties associated with a Probe: it's {@link SourceSection} and any associated instances
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55 * of {@link SyntaxTag}.
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56 * <p>
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57 * AST cloning is <em>not transparent</em> to clients that use the
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58 * {@link StandardInstrumentListener}, since those event methods identify the concrete Node instance
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59 * (and thus the AST instance) where the event takes place.
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60 * <p>
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61 * <h4>Implementation Notes: the Life Cycle of an {@link Instrument} at a {@link Probe}</h4>
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62 * <p>
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63 * <ul>
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64 * <li>A new Instrument is created in permanent association with a client-provided
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65 * <em>listener.</em></li>
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66 *
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67 * <li>Multiple Instruments may share a single listener.</li>
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68 *
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69 * <li>An Instrument does nothing until it is {@linkplain Probe#attach(Instrument) attached} to a
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70 * Probe, at which time the Instrument begins routing execution events from the Probe's AST location
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71 * to the Instrument's listener.</li>
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72 *
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73 * <li>Neither Instruments nor Probes are {@link Node}s.</li>
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74 *
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75 * <li>A Probe has a single source-based location in an AST, but manages a separate
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76 * <em>instrumentation chain</em> of Nodes at the equivalent location in each clone of the AST.</li>
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77 * <li>When a probed AST is cloned, the instrumentation chain associated with each Probe is cloned
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78 * along with the rest of the AST.</li>
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79 *
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80 * <li>When a new Instrument (for example an instance of {@link SimpleInstrument} is attached to a
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81 * Probe, the Instrument inserts a new instance of its private Node type,
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82 * {@link SimpleInstrument.SimpleInstrumentNode}, into <em>each of the instrument chains</em>
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83 * managed by the Probe, i.e. one node instance per existing clone of the AST.</li>
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84 *
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85 * <li>If an Instrument is attached to a Probe in an AST that subsequently gets cloned, then the
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86 * Instrument's private Node type will be cloned along with the rest of the the AST.</li>
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87 * <li>Each Instrument's private Node type is a dynamic inner class whose only state is in the
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88 * shared (outer) Instrument instance; that state includes a reference to the Instrument's listener.
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89 * </li>
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90 *
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91 * <li>When an Instrument that has been attached to a Probe is {@linkplain #dispose() disposed}, the
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92 * Instrument searches every instrument chain associated with the Probe and removes the instance of
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93 * its private Node type.</li>
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94 *
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95 * <li>Attaching and disposing an Instrument at a Probe <em>deoptimizes</em> any compilations of the
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96 * AST.</li>
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97 *
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98 * </ul>
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99 *
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100 * @see Probe
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101 * @see TruffleEvents
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102 */
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103 public abstract class Instrument {
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104
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105 /**
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106 * Creates a <em>Simple Instrument</em>: this Instrument routes execution events to a
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107 * client-provided listener.
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108 *
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109 * @param listener a listener for execution events
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110 * @param instrumentInfo optional description of the instrument's role, intended for debugging.
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111 * @return a new instrument, ready for attachment at a probe
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112 */
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113 public static Instrument create(SimpleInstrumentListener listener, String instrumentInfo) {
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114 return new SimpleInstrument(listener, instrumentInfo);
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115 }
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116
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117 /**
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118 * Creates a <em>Standard Instrument</em>: this Instrument routes execution events, together
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119 * with access to Truffle execution state, to a client-provided listener.
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120 *
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121 * @param standardListener a listener for execution events and execution state
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122 * @param instrumentInfo optional description of the instrument's role, intended for debugging.
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123 * @return a new instrument, ready for attachment at a probe
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124 */
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125 public static Instrument create(StandardInstrumentListener standardListener, String instrumentInfo) {
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126 return new StandardInstrument(standardListener, instrumentInfo);
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127 }
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128
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129 /**
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130 * Creates an <em>Advanced Instrument</em>: this Instrument executes efficiently, subject to
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131 * full Truffle optimization, a client-provided AST fragment every time the Probed node is
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132 * entered.
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133 *
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134 * @param rootFactory provider of AST fragments on behalf of the client
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135 * @param instrumentInfo optional description of the instrument's role, intended for debugging.
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136 * @return a new instrument, ready for attachment at a probe
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137 */
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138 public static Instrument create(AdvancedInstrumentRootFactory rootFactory, String instrumentInfo) {
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139 return new AdvancedInstrument(rootFactory, instrumentInfo);
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140 }
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141
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142 // TODO (mlvdv) experimental
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143 /**
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144 * For implementation testing.
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145 */
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146 public static Instrument create(TruffleOptListener listener) {
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147 return new TruffleOptInstrument(listener, null);
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148 }
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149
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150 /**
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151 * Has this instrument been disposed? stays true once set.
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152 */
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153 private boolean isDisposed = false;
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154
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155 protected Probe probe = null;
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156
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157 /**
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158 * Optional documentation, mainly for debugging.
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159 */
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160 private final String instrumentInfo;
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161
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162 private Instrument(String instrumentInfo) {
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163 this.instrumentInfo = instrumentInfo;
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164 }
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165
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166 /**
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167 * Gets the {@link Probe} to which this Instrument is currently attached: {@code null} if not
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168 * yet attached to a Probe or if this Instrument has been {@linkplain #dispose() disposed}.
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169 */
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170 public Probe getProbe() {
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171 return probe;
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172 }
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173
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174 /**
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175 * Removes this Instrument from the Probe to which it attached and renders this Instrument
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176 * inert.
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177 *
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178 * @throws IllegalStateException if this instrument has already been disposed
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179 */
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180 public void dispose() throws IllegalStateException {
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181 if (isDisposed) {
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182 throw new IllegalStateException("Attempt to dispose an already disposed Instrumennt");
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183 }
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184 if (probe != null) {
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185 // It's attached
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186 probe.disposeInstrument(this);
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187 probe = null;
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188 }
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189 this.isDisposed = true;
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190 }
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191
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192 /**
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193 * For internal implementation only.
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194 */
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195 void setAttachedTo(Probe probe) {
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196 this.probe = probe;
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197 }
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198
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199 /**
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200 * Has this instrument been disposed and rendered unusable?
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201 */
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202 boolean isDisposed() {
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203 return isDisposed;
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204 }
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205
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206 abstract AbstractInstrumentNode addToChain(AbstractInstrumentNode nextNode);
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207
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208 /**
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209 * Removes this instrument from an instrument chain.
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210 */
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211 abstract AbstractInstrumentNode removeFromChain(AbstractInstrumentNode instrumentNode);
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212
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213 /**
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214 * An instrument that propagates events to an instance of {@link SimpleInstrumentListener}.
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215 */
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216 private static final class SimpleInstrument extends Instrument {
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217
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218 /**
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219 * Tool-supplied listener for events.
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220 */
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221 private final SimpleInstrumentListener simpleListener;
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222
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223 private SimpleInstrument(SimpleInstrumentListener simpleListener, String instrumentInfo) {
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224 super(instrumentInfo);
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225 this.simpleListener = simpleListener;
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226 }
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227
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228 @Override
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229 AbstractInstrumentNode addToChain(AbstractInstrumentNode nextNode) {
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230 return new SimpleInstrumentNode(nextNode);
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231 }
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232
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233 @Override
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234 AbstractInstrumentNode removeFromChain(AbstractInstrumentNode instrumentNode) {
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235 boolean found = false;
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236 if (instrumentNode != null) {
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237 if (instrumentNode.getInstrument() == this) {
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238 // Found the match at the head of the chain
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239 return instrumentNode.nextInstrumentNode;
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240 }
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241 // Match not at the head of the chain; remove it.
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242 found = instrumentNode.removeFromChain(SimpleInstrument.this);
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243 }
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244 if (!found) {
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245 throw new IllegalStateException("Couldn't find instrument node to remove: " + this);
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246 }
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247 return instrumentNode;
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248 }
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249
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250 /**
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251 * Node that implements a {@link SimpleInstrument} in a particular AST.
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252 */
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253 @NodeInfo(cost = NodeCost.NONE)
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254 private final class SimpleInstrumentNode extends AbstractInstrumentNode {
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255
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256 private SimpleInstrumentNode(AbstractInstrumentNode nextNode) {
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257 super(nextNode);
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258 }
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259
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260 public void enter(Node node, VirtualFrame vFrame) {
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261 SimpleInstrument.this.simpleListener.enter(SimpleInstrument.this.probe);
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262 if (nextInstrumentNode != null) {
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263 nextInstrumentNode.enter(node, vFrame);
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264 }
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265 }
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266
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267 public void returnVoid(Node node, VirtualFrame vFrame) {
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268 SimpleInstrument.this.simpleListener.returnVoid(SimpleInstrument.this.probe);
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269 if (nextInstrumentNode != null) {
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270 nextInstrumentNode.returnVoid(node, vFrame);
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271 }
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272 }
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273
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274 public void returnValue(Node node, VirtualFrame vFrame, Object result) {
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275 SimpleInstrument.this.simpleListener.returnValue(SimpleInstrument.this.probe, result);
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276 if (nextInstrumentNode != null) {
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277 nextInstrumentNode.returnValue(node, vFrame, result);
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278 }
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279 }
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280
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281 public void returnExceptional(Node node, VirtualFrame vFrame, Exception exception) {
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282 SimpleInstrument.this.simpleListener.returnExceptional(SimpleInstrument.this.probe, exception);
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283 if (nextInstrumentNode != null) {
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284 nextInstrumentNode.returnExceptional(node, vFrame, exception);
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285 }
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286 }
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287
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288 public String instrumentationInfo() {
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289 final String info = getInstrumentInfo();
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290 return info != null ? info : simpleListener.getClass().getSimpleName();
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291 }
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292 }
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293 }
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294
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295 /**
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296 * An instrument that propagates events to an instance of {@link StandardInstrumentListener}.
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297 */
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298 private static final class StandardInstrument extends Instrument {
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299
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300 /**
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301 * Tool-supplied listener for AST events.
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302 */
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303 private final StandardInstrumentListener standardListener;
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304
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305 private StandardInstrument(StandardInstrumentListener standardListener, String instrumentInfo) {
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306 super(instrumentInfo);
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307 this.standardListener = standardListener;
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308 }
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309
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310 @Override
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311 AbstractInstrumentNode addToChain(AbstractInstrumentNode nextNode) {
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312 return new StandardInstrumentNode(nextNode);
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313 }
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314
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315 @Override
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316 AbstractInstrumentNode removeFromChain(AbstractInstrumentNode instrumentNode) {
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diff changeset
317 boolean found = false;
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diff changeset
318 if (instrumentNode != null) {
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diff changeset
319 if (instrumentNode.getInstrument() == this) {
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320 // Found the match at the head of the chain
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321 return instrumentNode.nextInstrumentNode;
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322 }
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diff changeset
323 // Match not at the head of the chain; remove it.
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diff changeset
324 found = instrumentNode.removeFromChain(StandardInstrument.this);
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325 }
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diff changeset
326 if (!found) {
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diff changeset
327 throw new IllegalStateException("Couldn't find instrument node to remove: " + this);
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328 }
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diff changeset
329 return instrumentNode;
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330 }
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331
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diff changeset
332 /**
78a4b44420cf Truffle/Instrumentation: rename the "SplicedNode" Instrument kind to the "ToolEval" instrument kind, along with some redesign based on earlier feedback.
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diff changeset
333 * Node that implements a {@link StandardInstrument} in a particular AST.
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diff changeset
334 */
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diff changeset
335 @NodeInfo(cost = NodeCost.NONE)
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diff changeset
336 private final class StandardInstrumentNode extends AbstractInstrumentNode {
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diff changeset
337
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diff changeset
338 private StandardInstrumentNode(AbstractInstrumentNode nextNode) {
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339 super(nextNode);
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340 }
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341
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342 public void enter(Node node, VirtualFrame vFrame) {
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343 standardListener.enter(StandardInstrument.this.probe, node, vFrame);
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344 if (nextInstrumentNode != null) {
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345 nextInstrumentNode.enter(node, vFrame);
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346 }
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347 }
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348
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349 public void returnVoid(Node node, VirtualFrame vFrame) {
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350 standardListener.returnVoid(StandardInstrument.this.probe, node, vFrame);
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351 if (nextInstrumentNode != null) {
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352 nextInstrumentNode.returnVoid(node, vFrame);
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353 }
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354 }
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355
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356 public void returnValue(Node node, VirtualFrame vFrame, Object result) {
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357 standardListener.returnValue(StandardInstrument.this.probe, node, vFrame, result);
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358 if (nextInstrumentNode != null) {
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359 nextInstrumentNode.returnValue(node, vFrame, result);
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360 }
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361 }
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362
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363 public void returnExceptional(Node node, VirtualFrame vFrame, Exception exception) {
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364 standardListener.returnExceptional(StandardInstrument.this.probe, node, vFrame, exception);
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365 if (nextInstrumentNode != null) {
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diff changeset
366 nextInstrumentNode.returnExceptional(node, vFrame, exception);
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367 }
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368 }
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369
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370 public String instrumentationInfo() {
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371 final String info = getInstrumentInfo();
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372 return info != null ? info : standardListener.getClass().getSimpleName();
18485
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373 }
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374 }
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375 }
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376
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377 /**
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378 * An instrument that allows clients to provide an AST fragment to be executed directly from
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379 * within a Probe's <em>instrumentation chain</em>, and thus directly in the executing Truffle
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380 * AST with potential for full optimization.
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381 */
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382 private static final class AdvancedInstrument extends Instrument {
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383
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384 /**
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385 * Client-provided supplier of new node instances to attach.
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386 */
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diff changeset
387 private final AdvancedInstrumentRootFactory rootFactory;
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388
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diff changeset
389 private AdvancedInstrument(AdvancedInstrumentRootFactory rootFactory, String instrumentInfo) {
20106
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diff changeset
390 super(instrumentInfo);
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diff changeset
391 this.rootFactory = rootFactory;
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diff changeset
392
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393 }
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394
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diff changeset
395 @Override
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396 AbstractInstrumentNode addToChain(AbstractInstrumentNode nextNode) {
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diff changeset
397 return new AdvancedInstrumentNode(nextNode);
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398 }
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399
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400 @Override
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diff changeset
401 AbstractInstrumentNode removeFromChain(AbstractInstrumentNode instrumentNode) {
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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diff changeset
402 boolean found = false;
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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diff changeset
403 if (instrumentNode != null) {
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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diff changeset
404 if (instrumentNode.getInstrument() == this) {
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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diff changeset
405 // Found the match at the head of the chain
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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diff changeset
406 return instrumentNode.nextInstrumentNode;
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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diff changeset
407 }
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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diff changeset
408 // Match not at the head of the chain; remove it.
21353
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parents: 21302
diff changeset
409 found = instrumentNode.removeFromChain(AdvancedInstrument.this);
20106
2e3cc2a27711 Truffle/Instrumentation: a new flavor of Instrument that lazily provides an AST fragment to be attached/adopted directly into a running AST, and to which execution event notifications will be routed. Important use cases so far include conditional breakpoints (with optimizeable conditions) and Ruby set_trace_func.
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diff changeset
410 }
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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diff changeset
411 if (!found) {
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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diff changeset
412 throw new IllegalStateException("Couldn't find instrument node to remove: " + this);
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: 19818
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413 }
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: 19818
diff changeset
414 return instrumentNode;
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: 19818
diff changeset
415 }
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: 19818
diff changeset
416
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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: 20909
diff changeset
417 /**
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876e710523c5 Truffle/Instrumentation: rename "Tool Eval" Instrument kind to "Advanced" Instrument kind
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parents: 21302
diff changeset
418 * Node that implements a {@link AdvancedInstrument} in a particular AST.
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: 20909
diff changeset
419 */
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: 19818
diff changeset
420 @NodeInfo(cost = NodeCost.NONE)
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 21302
diff changeset
421 private final class AdvancedInstrumentNode extends AbstractInstrumentNode {
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: 19818
diff changeset
422
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 21302
diff changeset
423 @Child private AdvancedInstrumentRoot instrumentRoot;
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: 19818
diff changeset
424
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 21302
diff changeset
425 private AdvancedInstrumentNode(AbstractInstrumentNode nextNode) {
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: 19818
diff changeset
426 super(nextNode);
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: 19818
diff changeset
427 }
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: 19818
diff changeset
428
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: 19818
diff changeset
429 public void enter(Node node, VirtualFrame vFrame) {
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876e710523c5 Truffle/Instrumentation: rename "Tool Eval" Instrument kind to "Advanced" Instrument kind
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 21302
diff changeset
430 if (instrumentRoot == null) {
876e710523c5 Truffle/Instrumentation: rename "Tool Eval" Instrument kind to "Advanced" Instrument kind
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 21302
diff changeset
431 final AdvancedInstrumentRoot newInstrumentRoot = AdvancedInstrument.this.rootFactory.createInstrumentRoot(AdvancedInstrument.this.probe, node);
876e710523c5 Truffle/Instrumentation: rename "Tool Eval" Instrument kind to "Advanced" Instrument kind
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 21302
diff changeset
432 if (newInstrumentRoot != null) {
876e710523c5 Truffle/Instrumentation: rename "Tool Eval" Instrument kind to "Advanced" Instrument kind
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parents: 21302
diff changeset
433 instrumentRoot = newInstrumentRoot;
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: 19818
diff changeset
434 adoptChildren();
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876e710523c5 Truffle/Instrumentation: rename "Tool Eval" Instrument kind to "Advanced" Instrument kind
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 21302
diff changeset
435 AdvancedInstrument.this.probe.invalidateProbeUnchanged();
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: 19818
diff changeset
436 }
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: 19818
diff changeset
437 }
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876e710523c5 Truffle/Instrumentation: rename "Tool Eval" Instrument kind to "Advanced" Instrument kind
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 21302
diff changeset
438 if (instrumentRoot != null) {
21354
575032310b2c Truffle/Instrumentation: runtime failures executing an AdvancedInstrument root are now reported automatically via a new mehtod onAdvancedInstrumentResultListener.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 21353
diff changeset
439 final AdvancedInstrumentResultListener resultListener = AdvancedInstrument.this.rootFactory.resultListener();
575032310b2c Truffle/Instrumentation: runtime failures executing an AdvancedInstrument root are now reported automatically via a new mehtod onAdvancedInstrumentResultListener.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 21353
diff changeset
440 try {
575032310b2c Truffle/Instrumentation: runtime failures executing an AdvancedInstrument root are now reported automatically via a new mehtod onAdvancedInstrumentResultListener.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 21353
diff changeset
441 final Object result = instrumentRoot.executeRoot(node, vFrame);
575032310b2c Truffle/Instrumentation: runtime failures executing an AdvancedInstrument root are now reported automatically via a new mehtod onAdvancedInstrumentResultListener.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 21353
diff changeset
442 if (resultListener != null) {
575032310b2c Truffle/Instrumentation: runtime failures executing an AdvancedInstrument root are now reported automatically via a new mehtod onAdvancedInstrumentResultListener.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 21353
diff changeset
443 resultListener.notifyResult(node, vFrame, result);
575032310b2c Truffle/Instrumentation: runtime failures executing an AdvancedInstrument root are now reported automatically via a new mehtod onAdvancedInstrumentResultListener.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 21353
diff changeset
444 }
575032310b2c Truffle/Instrumentation: runtime failures executing an AdvancedInstrument root are now reported automatically via a new mehtod onAdvancedInstrumentResultListener.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 21353
diff changeset
445 } catch (RuntimeException ex) {
575032310b2c Truffle/Instrumentation: runtime failures executing an AdvancedInstrument root are now reported automatically via a new mehtod onAdvancedInstrumentResultListener.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 21353
diff changeset
446 if (resultListener != null) {
575032310b2c Truffle/Instrumentation: runtime failures executing an AdvancedInstrument root are now reported automatically via a new mehtod onAdvancedInstrumentResultListener.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 21353
diff changeset
447 resultListener.notifyFailure(node, vFrame, ex);
575032310b2c Truffle/Instrumentation: runtime failures executing an AdvancedInstrument root are now reported automatically via a new mehtod onAdvancedInstrumentResultListener.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 21353
diff changeset
448 }
575032310b2c Truffle/Instrumentation: runtime failures executing an AdvancedInstrument root are now reported automatically via a new mehtod onAdvancedInstrumentResultListener.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 21353
diff changeset
449 }
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: 19818
diff changeset
450 }
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: 19818
diff changeset
451 if (nextInstrumentNode != null) {
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: 19818
diff changeset
452 nextInstrumentNode.enter(node, vFrame);
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: 19818
diff changeset
453 }
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: 19818
diff changeset
454 }
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: 19818
diff changeset
455
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: 19818
diff changeset
456 public void returnVoid(Node node, VirtualFrame vFrame) {
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: 19818
diff changeset
457 if (nextInstrumentNode != null) {
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: 19818
diff changeset
458 nextInstrumentNode.returnVoid(node, vFrame);
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: 19818
diff changeset
459 }
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: 19818
diff changeset
460 }
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: 19818
diff changeset
461
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: 19818
diff changeset
462 public void returnValue(Node node, VirtualFrame vFrame, Object result) {
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: 19818
diff changeset
463 if (nextInstrumentNode != null) {
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: 19818
diff changeset
464 nextInstrumentNode.returnValue(node, vFrame, result);
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: 19818
diff changeset
465 }
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: 19818
diff changeset
466 }
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: 19818
diff changeset
467
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: 19818
diff changeset
468 public void returnExceptional(Node node, VirtualFrame vFrame, Exception exception) {
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: 19818
diff changeset
469 if (nextInstrumentNode != null) {
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: 19818
diff changeset
470 nextInstrumentNode.returnExceptional(node, vFrame, exception);
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: 19818
diff changeset
471 }
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: 19818
diff changeset
472 }
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: 19818
diff changeset
473
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: 19818
diff changeset
474 public String instrumentationInfo() {
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: 19818
diff changeset
475 final String info = getInstrumentInfo();
21353
876e710523c5 Truffle/Instrumentation: rename "Tool Eval" Instrument kind to "Advanced" Instrument kind
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 21302
diff changeset
476 return info != null ? info : rootFactory.getClass().getSimpleName();
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: 19818
diff changeset
477 }
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: 19818
diff changeset
478 }
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: 19818
diff changeset
479 }
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: 19818
diff changeset
480
19645
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
481 public interface TruffleOptListener {
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
482 void notifyIsCompiled(boolean isCompiled);
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
483 }
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
484
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
485 private static final class TruffleOptInstrument extends Instrument {
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
486
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
487 private final TruffleOptListener toolOptListener;
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
488
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
489 private TruffleOptInstrument(TruffleOptListener listener, String instrumentInfo) {
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
490 super(instrumentInfo);
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
491 this.toolOptListener = listener;
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
492 }
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
493
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
494 @Override
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.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19645
diff changeset
495 AbstractInstrumentNode addToChain(AbstractInstrumentNode nextNode) {
19645
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
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diff changeset
496 return new TruffleOptInstrumentNode(nextNode);
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
497 }
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
498
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
499 @Override
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.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19645
diff changeset
500 AbstractInstrumentNode removeFromChain(AbstractInstrumentNode instrumentNode) {
19645
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
501 boolean found = false;
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
502 if (instrumentNode != null) {
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
503 if (instrumentNode.getInstrument() == this) {
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
504 // Found the match at the head of the chain
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: 19818
diff changeset
505 return instrumentNode.nextInstrumentNode;
19645
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
506 }
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
507 // Match not at the head of the chain; remove it.
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
508 found = instrumentNode.removeFromChain(TruffleOptInstrument.this);
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
509 }
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
510 if (!found) {
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
511 throw new IllegalStateException("Couldn't find instrument node to remove: " + this);
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
512 }
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
513 return instrumentNode;
18485
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
514 }
19645
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
515
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
516 @NodeInfo(cost = NodeCost.NONE)
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.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19645
diff changeset
517 private final class TruffleOptInstrumentNode extends AbstractInstrumentNode {
19645
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
518
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
519 private boolean isCompiled;
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
520
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.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19645
diff changeset
521 private TruffleOptInstrumentNode(AbstractInstrumentNode nextNode) {
19645
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
522 super(nextNode);
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
523 this.isCompiled = CompilerDirectives.inCompiledCode();
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
524 }
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
525
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
526 public void enter(Node node, VirtualFrame vFrame) {
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
527 if (this.isCompiled != CompilerDirectives.inCompiledCode()) {
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
528 this.isCompiled = CompilerDirectives.inCompiledCode();
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
529 TruffleOptInstrument.this.toolOptListener.notifyIsCompiled(this.isCompiled);
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
530 }
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: 19818
diff changeset
531 if (nextInstrumentNode != null) {
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: 19818
diff changeset
532 nextInstrumentNode.enter(node, vFrame);
19645
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
533 }
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
534 }
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
535
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
536 public void returnVoid(Node node, VirtualFrame vFrame) {
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: 19818
diff changeset
537 if (nextInstrumentNode != null) {
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: 19818
diff changeset
538 nextInstrumentNode.returnVoid(node, vFrame);
19645
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
539 }
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
540 }
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
541
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
542 public void returnValue(Node node, VirtualFrame vFrame, Object result) {
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: 19818
diff changeset
543 if (nextInstrumentNode != null) {
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: 19818
diff changeset
544 nextInstrumentNode.returnValue(node, vFrame, result);
19645
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
545 }
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
546 }
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
547
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
548 public void returnExceptional(Node node, VirtualFrame vFrame, Exception exception) {
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: 19818
diff changeset
549 if (nextInstrumentNode != null) {
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: 19818
diff changeset
550 nextInstrumentNode.returnExceptional(node, vFrame, exception);
19645
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
551 }
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
552 }
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
553
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
554 public String instrumentationInfo() {
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
555 final String info = getInstrumentInfo();
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
556 return info != null ? info : toolOptListener.getClass().getSimpleName();
10a1fc5e3209 Truffle/Instrumentation: new, experimental kind of Instrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19518
diff changeset
557 }
18485
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
558 }
15450
be0c151d912b Truffle/Instrumentation: API revisions
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 15279
diff changeset
559 }
be0c151d912b Truffle/Instrumentation: API revisions
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 15279
diff changeset
560
18485
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
561 @NodeInfo(cost = NodeCost.NONE)
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.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19645
diff changeset
562 abstract class AbstractInstrumentNode extends Node implements TruffleEvents, InstrumentationNode {
18485
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
563
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: 19818
diff changeset
564 @Child protected AbstractInstrumentNode nextInstrumentNode;
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.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19645
diff changeset
565
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.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 19645
diff changeset
566 protected AbstractInstrumentNode(AbstractInstrumentNode nextNode) {
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: 19818
diff changeset
567 this.nextInstrumentNode = nextNode;
18485
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
568 }
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
569
18985
867058575979 Truffle: Improved support for "probing" AST nodes:
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18485
diff changeset
570 @Override
867058575979 Truffle: Improved support for "probing" AST nodes:
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18485
diff changeset
571 public boolean isInstrumentable() {
867058575979 Truffle: Improved support for "probing" AST nodes:
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18485
diff changeset
572 return false;
867058575979 Truffle: Improved support for "probing" AST nodes:
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18485
diff changeset
573 }
867058575979 Truffle: Improved support for "probing" AST nodes:
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18485
diff changeset
574
18485
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
575 /**
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
576 * Gets the instrument that created this node.
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
577 */
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
578 private Instrument getInstrument() {
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
579 return Instrument.this;
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
580 }
15450
be0c151d912b Truffle/Instrumentation: API revisions
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 15279
diff changeset
581
18485
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
582 /**
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
583 * Removes the node from this chain that was added by a particular instrument, assuming that
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
584 * the head of the chain is not the one to be replaced. This is awkward, but is required
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
585 * because {@link Node#replace(Node)} won't take a {@code null} argument. This doesn't work
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
586 * for the tail of the list, which would be replacing itself with null. So the replacement
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
587 * must be directed the parent of the node being removed.
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
588 */
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
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589 private boolean removeFromChain(Instrument instrument) {
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
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parents: 18131
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590 assert getInstrument() != instrument;
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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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parents: 19818
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591 if (nextInstrumentNode == null) {
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parents: 18131
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592 return false;
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
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593 }
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: 19818
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594 if (nextInstrumentNode.getInstrument() == instrument) {
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
595 // Next is the one to remove
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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: 19818
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596 if (nextInstrumentNode.nextInstrumentNode == null) {
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
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597 // Next is at the tail; just forget
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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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parents: 19818
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598 nextInstrumentNode = null;
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
599 } else {
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
600 // Replace next with its successor
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: 19818
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601 nextInstrumentNode.replace(nextInstrumentNode.nextInstrumentNode);
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parents: 18131
diff changeset
602 }
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
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parents: 18131
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603 return true;
e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
604 }
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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: 19818
diff changeset
605 return nextInstrumentNode.removeFromChain(instrument);
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e3c95cbbb50c Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
606 }
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 15279
diff changeset
607
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parents: 19518
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608 protected String getInstrumentInfo() {
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parents: 19518
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609 return Instrument.this.instrumentInfo;
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 18131
diff changeset
610 }
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 15279
diff changeset
611 }
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0c6d8a08e31b Truffle: Major cleanup and extension of the Truffle Instrumentation framework in com.oracle.truffle.api
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
612 }