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annotate truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/debug/TagBreakpointFactory.java @ 22293:260e3cdf11ec

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Truffle/Instrumentation: replace (non-functional) AdvancedInstrument kind with new EvalInstrument - new API much simpler: only new method Instrumenter.attach() plus new kind of listener - removed the "expected result type check", which is now left to clients - the code to be evaluated now represented as a Source
author Michael Van De Vanter <michael.van.de.vanter@oracle.com>
date Thu, 08 Oct 2015 16:48:42 -0400
parents 75e5db92973a
children 7d9b7365b675 1c3deda60a9e
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1 /*
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2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation. Oracle designates this
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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
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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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.debug;
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26
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27 import static com.oracle.truffle.api.debug.Breakpoint.State.DISABLED;
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28 import static com.oracle.truffle.api.debug.Breakpoint.State.DISPOSED;
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29 import static com.oracle.truffle.api.debug.Breakpoint.State.ENABLED;
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30
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31 import java.io.IOException;
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32 import java.io.PrintStream;
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33 import java.util.ArrayList;
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34 import java.util.Collections;
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35 import java.util.Comparator;
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36 import java.util.HashMap;
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37 import java.util.List;
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38 import java.util.Map;
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39 import java.util.Map.Entry;
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40
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41 import com.oracle.truffle.api.Assumption;
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42 import com.oracle.truffle.api.CompilerDirectives.CompilationFinal;
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43 import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
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44 import com.oracle.truffle.api.Truffle;
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45 import com.oracle.truffle.api.TruffleLanguage;
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46 import com.oracle.truffle.api.debug.Debugger.BreakpointCallback;
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47 import com.oracle.truffle.api.debug.Debugger.WarningLog;
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48 import com.oracle.truffle.api.frame.VirtualFrame;
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49 import com.oracle.truffle.api.instrument.EvalInstrumentListener;
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50 import com.oracle.truffle.api.instrument.Instrumenter;
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51 import com.oracle.truffle.api.instrument.Probe;
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52 import com.oracle.truffle.api.instrument.ProbeInstrument;
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53 import com.oracle.truffle.api.instrument.SyntaxTag;
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54 import com.oracle.truffle.api.instrument.impl.DefaultProbeListener;
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55 import com.oracle.truffle.api.instrument.impl.DefaultStandardInstrumentListener;
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56 import com.oracle.truffle.api.nodes.InvalidAssumptionException;
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57 import com.oracle.truffle.api.nodes.Node;
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58 import com.oracle.truffle.api.source.Source;
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59 import com.oracle.truffle.api.utilities.CyclicAssumption;
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60
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61 // TODO (mlvdv) some common functionality could be factored out of this and LineBreakpointSupport
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62
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63 /**
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64 * Support class for creating and managing "Tag Breakpoints". A Tag Breakpoint halts execution just
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65 * before reaching any node whose Probe carries a specified {@linkplain SyntaxTag Tag}.
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66 * <p>
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67 * The
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68 * {@linkplain Instrumenter#attach(SyntaxTag, com.oracle.truffle.api.instrument.StandardBeforeInstrumentListener, String)
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69 * before TagInstrument}, does the same thing more efficiently, but there may only be one
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70 * <em>before</em> TagInstrument active at a time. Any number of {@link TagBreakpoint}s may coexist
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71 * with the <em>before</em> TagInstrument, but it would be confusing to have a {@link TagBreakpoint}
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72 * set for the same Tag as the current <em>before</em> TagInstrument.
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73 * <p>
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74 * Notes:
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75 * <ol>
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76 * <li>Only one Tag Breakpoint can be active for a specific {@linkplain SyntaxTag Tag}.</li>
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77 * <li>A newly created breakpoint looks for probes matching the tag, attaches to them if found by
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78 * installing an {@link ProbeInstrument}.</li>
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79 * <li>When Truffle "splits" or otherwise copies an AST, any attached {@link ProbeInstrument} will
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80 * be copied along with the rest of the AST and will call back to the same breakpoint.</li>
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81 * <li>When notification is received that the breakpoint's Tag has been newly added to a Node, then
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82 * the breakpoint will attach a new Instrument at the probe to activate the breakpoint at that
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83 * location.</li>
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84 * <li>A breakpoint may have multiple Instruments deployed, one attached to each Probe that holds
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85 * the breakpoint's tag; this might happen when a source is reloaded.</li>
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86 * </ol>
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87 */
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88 final class TagBreakpointFactory {
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89
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90 private static final boolean TRACE = false;
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91 private static final PrintStream OUT = System.out;
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92
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93 private static final String BREAKPOINT_NAME = "TAG BREAKPOINT";
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94
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95 @TruffleBoundary
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96 private static void trace(String format, Object... args) {
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97 if (TRACE) {
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98 OUT.println(String.format("%s: %s", BREAKPOINT_NAME, String.format(format, args)));
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99 }
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100 }
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101
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102 private static final Comparator<Entry<SyntaxTag, TagBreakpointImpl>> BREAKPOINT_COMPARATOR = new Comparator<Entry<SyntaxTag, TagBreakpointImpl>>() {
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103
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104 @Override
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105 public int compare(Entry<SyntaxTag, TagBreakpointImpl> entry1, Entry<SyntaxTag, TagBreakpointImpl> entry2) {
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106 return entry1.getKey().name().compareTo(entry2.getKey().name());
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107 }
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108 };
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109
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110 private final Debugger debugger;
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111 private final BreakpointCallback breakpointCallback;
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112 private final WarningLog warningLog;
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113
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114 /**
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115 * Map: Tags ==> Tag Breakpoints. There may be no more than one breakpoint per Tag.
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116 */
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117 private final Map<SyntaxTag, TagBreakpointImpl> tagToBreakpoint = new HashMap<>();
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118
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119 /**
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120 * Globally suspends all line breakpoint activity when {@code false}, ignoring whether
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121 * individual breakpoints are enabled.
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122 */
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123 @CompilationFinal private boolean breakpointsActive = true;
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124 private final CyclicAssumption breakpointsActiveUnchanged = new CyclicAssumption(BREAKPOINT_NAME + " globally active");
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125
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126 TagBreakpointFactory(Debugger debugger, BreakpointCallback breakpointCallback, final WarningLog warningLog) {
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127 this.debugger = debugger;
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128 this.breakpointCallback = breakpointCallback;
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129 this.warningLog = warningLog;
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130
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131 debugger.getInstrumenter().addProbeListener(new DefaultProbeListener() {
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132
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133 @Override
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134 public void probeTaggedAs(Probe probe, SyntaxTag tag, Object tagValue) {
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135 final TagBreakpointImpl breakpoint = tagToBreakpoint.get(tag);
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136 if (breakpoint != null) {
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137 breakpoint.attach(probe);
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138 }
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139 }
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140 });
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141 }
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142
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143 /**
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144 * Globally enables tag breakpoint activity; all breakpoints are ignored when set to
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145 * {@code false}. When set to {@code true}, the enabled/disabled status of each breakpoint
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146 * determines whether it will trigger when flow of execution reaches it.
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147 *
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148 * @param breakpointsActive
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149 */
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150 void setActive(boolean breakpointsActive) {
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151 if (this.breakpointsActive != breakpointsActive) {
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152 breakpointsActiveUnchanged.invalidate();
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153 this.breakpointsActive = breakpointsActive;
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154 }
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155 }
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156
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157 /**
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158 * Gets all current tag breakpoints,regardless of status; sorted and modification safe.
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159 */
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160 List<TagBreakpoint> getAll() {
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161 ArrayList<Entry<SyntaxTag, TagBreakpointImpl>> entries = new ArrayList<>(tagToBreakpoint.entrySet());
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162 Collections.sort(entries, BREAKPOINT_COMPARATOR);
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163
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164 final ArrayList<TagBreakpoint> breakpoints = new ArrayList<>(entries.size());
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165 for (Entry<SyntaxTag, TagBreakpointImpl> entry : entries) {
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166 breakpoints.add(entry.getValue());
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167 }
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168 return breakpoints;
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169 }
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170
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171 /**
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172 * Creates a new tag breakpoint if one doesn't already exist. If one does exist, then resets the
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173 * <em>ignore count</em>.
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174 *
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175 * @param tag where to set the breakpoint
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176 * @param ignoreCount number of initial hits before the breakpoint starts causing breaks.
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177 * @param oneShot whether the breakpoint should dispose itself after one hit
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178 * @return a possibly new breakpoint
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179 * @throws IOException if a breakpoint already exists for the tag and the ignore count is the
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180 * same
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181 */
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182 TagBreakpoint create(int ignoreCount, SyntaxTag tag, boolean oneShot) throws IOException {
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183
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184 TagBreakpointImpl breakpoint = tagToBreakpoint.get(tag);
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185
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186 if (breakpoint == null) {
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187 breakpoint = new TagBreakpointImpl(ignoreCount, tag, oneShot);
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188
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189 if (TRACE) {
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190 trace("NEW " + breakpoint.getShortDescription());
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191 }
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192
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193 tagToBreakpoint.put(tag, breakpoint);
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194
22214
3aad794eec0e Truffle/Instrumentation: first large merge of instrumentation code into the TruffleVM framework
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195 for (Probe probe : debugger.getInstrumenter().findProbesTaggedAs(tag)) {
22003
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196 breakpoint.attach(probe);
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197 }
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198 } else {
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199 if (ignoreCount == breakpoint.getIgnoreCount()) {
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200 throw new IOException(BREAKPOINT_NAME + " already set for tag " + tag.name());
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201 }
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202 breakpoint.setIgnoreCount(ignoreCount);
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203 if (TRACE) {
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204 trace("CHANGED ignoreCount %s", breakpoint.getShortDescription());
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205 }
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206 }
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207 return breakpoint;
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208 }
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209
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210 /**
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211 * Returns the {@link TagBreakpoint} for a given tag, {@code null} if none.
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212 */
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213 TagBreakpoint get(SyntaxTag tag) {
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214 return tagToBreakpoint.get(tag);
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215 }
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216
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217 /**
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218 * Removes the associated instrumentation for all one-shot breakpoints only.
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219 */
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220 void disposeOneShots() {
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221 List<TagBreakpointImpl> breakpoints = new ArrayList<>(tagToBreakpoint.values());
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222 for (TagBreakpointImpl breakpoint : breakpoints) {
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223 if (breakpoint.isOneShot()) {
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224 breakpoint.dispose();
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225 }
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226 }
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227 }
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228
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229 /**
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230 * Removes all knowledge of a breakpoint, presumed disposed.
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231 */
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232 private void forget(TagBreakpointImpl breakpoint) {
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233 tagToBreakpoint.remove(breakpoint.getTag());
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234 }
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235
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236 /**
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237 * Concrete representation of a line breakpoint, implemented by attaching an instrument to a
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238 * probe at the designated source location.
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239 */
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240 private final class TagBreakpointImpl extends TagBreakpoint implements EvalInstrumentListener {
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241
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242 private static final String SHOULD_NOT_HAPPEN = "TagBreakpointImpl: should not happen";
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243
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244 private final SyntaxTag tag;
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245
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246 // Cached assumption that the global status of tag breakpoint activity has not changed.
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247 private Assumption breakpointsActiveAssumption;
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248
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249 // Whether this breakpoint is enable/disabled
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250 @CompilationFinal private boolean isEnabled;
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251 private Assumption enabledUnchangedAssumption;
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252
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253 private Source conditionSource;
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254
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255 /**
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256 * The instrument(s) that this breakpoint currently has attached to a {@link Probe}:
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257 * {@code null} if not attached.
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258 */
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259 private List<ProbeInstrument> instruments = new ArrayList<>();
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260
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261 private TagBreakpointImpl(int ignoreCount, SyntaxTag tag, boolean oneShot) {
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262 super(ENABLED, ignoreCount, oneShot);
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263 this.tag = tag;
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264 this.breakpointsActiveAssumption = TagBreakpointFactory.this.breakpointsActiveUnchanged.getAssumption();
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265 this.isEnabled = true;
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266 this.enabledUnchangedAssumption = Truffle.getRuntime().createAssumption(BREAKPOINT_NAME + " enabled state unchanged");
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267 }
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268
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269 @Override
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270 public boolean isEnabled() {
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271 return isEnabled;
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272 }
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273
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274 @Override
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275 public void setEnabled(boolean enabled) {
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276 // Tag Breakpoints are never unresolved
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277 if (enabled != isEnabled) {
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278 switch (getState()) {
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279 case ENABLED:
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280 assert !enabled : SHOULD_NOT_HAPPEN;
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281 doSetEnabled(false);
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282 changeState(DISABLED);
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283 break;
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284 case DISABLED:
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285 assert enabled : SHOULD_NOT_HAPPEN;
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286 doSetEnabled(true);
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287 changeState(ENABLED);
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288 break;
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289 case DISPOSED:
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290 assert false : "breakpoint disposed";
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291 break;
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292 case ENABLED_UNRESOLVED:
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293 case DISABLED_UNRESOLVED:
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294 default:
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295 assert false : SHOULD_NOT_HAPPEN;
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296 break;
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297 }
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298 }
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299 }
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300
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301 @Override
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302 public void setCondition(String expr) throws IOException {
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303 if (this.conditionSource != null || expr != null) {
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304 // De-instrument the Probes instrumented by this breakpoint
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305 final ArrayList<Probe> probes = new ArrayList<>();
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306 for (ProbeInstrument instrument : instruments) {
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307 probes.add(instrument.getProbe());
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308 instrument.dispose();
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309 }
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310 instruments.clear();
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311 this.conditionSource = Source.fromText(expr, "breakpoint condition for text: " + expr);
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312 // Re-instrument the probes previously instrumented
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313 for (Probe probe : probes) {
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314 attach(probe);
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315 }
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316 }
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317 }
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318
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319 @Override
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320 public Source getCondition() {
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321 return conditionSource;
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322 }
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323
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324 @TruffleBoundary
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325 @Override
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326 public void dispose() {
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327 if (getState() != DISPOSED) {
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328 for (ProbeInstrument instrument : instruments) {
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329 instrument.dispose();
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330 }
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331 changeState(DISPOSED);
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332 TagBreakpointFactory.this.forget(this);
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333 }
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334 }
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335
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336 @SuppressWarnings("rawtypes")
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337 private void attach(Probe newProbe) {
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338 if (getState() == DISPOSED) {
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339 throw new IllegalStateException("Attempt to attach a disposed " + BREAKPOINT_NAME);
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340 }
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341 ProbeInstrument newInstrument = null;
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342 final Instrumenter instrumenter = debugger.getInstrumenter();
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343 if (conditionSource == null) {
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344 newInstrument = instrumenter.attach(newProbe, new UnconditionalTagBreakInstrumentListener(), BREAKPOINT_NAME);
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345 } else {
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346 final Class<? extends TruffleLanguage> languageClass = Debugger.ACCESSOR.findLanguage(newProbe);
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347 instrumenter.attach(newProbe, languageClass, conditionSource, this, BREAKPOINT_NAME);
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348 }
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349 instruments.add(newInstrument);
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350 changeState(isEnabled ? ENABLED : DISABLED);
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351 }
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352
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353 private void doSetEnabled(boolean enabled) {
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354 if (this.isEnabled != enabled) {
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355 enabledUnchangedAssumption.invalidate();
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356 this.isEnabled = enabled;
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357 }
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358 }
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359
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360 @TruffleBoundary
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361 private String getShortDescription() {
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362 return BREAKPOINT_NAME + "@" + tag.name();
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363 }
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364
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365 private void changeState(State after) {
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366 if (TRACE) {
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367 trace("STATE %s-->%s %s", getState().getName(), after.getName(), getShortDescription());
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368 }
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369 setState(after);
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370 }
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371
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372 private void doBreak(Node node, VirtualFrame vFrame) {
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373 if (incrHitCountCheckIgnore()) {
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374 breakpointCallback.haltedAt(node, vFrame.materialize(), BREAKPOINT_NAME);
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375 }
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376 }
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377
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378 /**
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379 * Receives notification from the attached instrument that execution is about to enter node
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380 * where the breakpoint is set. Designed so that when in the fast path, there is either an
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381 * unconditional "halt" call to the debugger or nothing.
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382 */
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383 private void nodeEnter(Node astNode, VirtualFrame vFrame) {
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384
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385 // Deopt if the global active/inactive flag has changed
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386 try {
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387 this.breakpointsActiveAssumption.check();
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388 } catch (InvalidAssumptionException ex) {
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389 this.breakpointsActiveAssumption = TagBreakpointFactory.this.breakpointsActiveUnchanged.getAssumption();
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390 }
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391
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392 // Deopt if the enabled/disabled state of this breakpoint has changed
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393 try {
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394 this.enabledUnchangedAssumption.check();
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395 } catch (InvalidAssumptionException ex) {
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396 this.enabledUnchangedAssumption = Truffle.getRuntime().createAssumption("LineBreakpoint enabled state unchanged");
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397 }
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diff changeset
398
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
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399 if (TagBreakpointFactory.this.breakpointsActive && this.isEnabled) {
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
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400 if (isOneShot()) {
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
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401 dispose();
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
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402 }
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
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403 TagBreakpointImpl.this.doBreak(astNode, vFrame);
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
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404 }
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
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parents:
diff changeset
405
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
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406 }
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
diff changeset
407
22230
3f2052afcb6d Truffle/Instrumentation: rename the methods in the Instrument listener classes to use the "on" convention, e.g. onEnter(), add Javadoc
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 22225
diff changeset
408 public void onExecution(Node node, VirtualFrame vFrame, Object result) {
22293
260e3cdf11ec Truffle/Instrumentation: replace (non-functional) AdvancedInstrument kind with new EvalInstrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 22256
diff changeset
409 if (result instanceof Boolean) {
260e3cdf11ec Truffle/Instrumentation: replace (non-functional) AdvancedInstrument kind with new EvalInstrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 22256
diff changeset
410 final boolean condition = (Boolean) result;
260e3cdf11ec Truffle/Instrumentation: replace (non-functional) AdvancedInstrument kind with new EvalInstrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 22256
diff changeset
411 if (TRACE) {
260e3cdf11ec Truffle/Instrumentation: replace (non-functional) AdvancedInstrument kind with new EvalInstrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 22256
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412 trace("breakpoint condition = %b %s", condition, getShortDescription());
260e3cdf11ec Truffle/Instrumentation: replace (non-functional) AdvancedInstrument kind with new EvalInstrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 22256
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413 }
260e3cdf11ec Truffle/Instrumentation: replace (non-functional) AdvancedInstrument kind with new EvalInstrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 22256
diff changeset
414 if (condition) {
260e3cdf11ec Truffle/Instrumentation: replace (non-functional) AdvancedInstrument kind with new EvalInstrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 22256
diff changeset
415 nodeEnter(node, vFrame);
260e3cdf11ec Truffle/Instrumentation: replace (non-functional) AdvancedInstrument kind with new EvalInstrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 22256
diff changeset
416 }
260e3cdf11ec Truffle/Instrumentation: replace (non-functional) AdvancedInstrument kind with new EvalInstrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 22256
diff changeset
417 } else {
260e3cdf11ec Truffle/Instrumentation: replace (non-functional) AdvancedInstrument kind with new EvalInstrument
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 22256
diff changeset
418 onFailure(node, vFrame, new RuntimeException("breakpint failure = non-boolean condition " + result.toString()));
22003
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
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419 }
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
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420 }
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
diff changeset
421
22293
260e3cdf11ec Truffle/Instrumentation: replace (non-functional) AdvancedInstrument kind with new EvalInstrument
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diff changeset
422 public void onFailure(Node node, VirtualFrame vFrame, Exception ex) {
22011
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Andreas Woess <andreas.woess@oracle.com>
parents: 22003
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423 addExceptionWarning(ex);
22003
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
diff changeset
424 if (TRACE) {
22011
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Andreas Woess <andreas.woess@oracle.com>
parents: 22003
diff changeset
425 trace("breakpoint failure = %s %s", ex, getShortDescription());
22003
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
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426 }
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
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diff changeset
427 // Take the breakpoint if evaluation fails.
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
diff changeset
428 nodeEnter(node, vFrame);
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
diff changeset
429 }
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
diff changeset
430
22011
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Andreas Woess <andreas.woess@oracle.com>
parents: 22003
diff changeset
431 @TruffleBoundary
22293
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 22256
diff changeset
432 private void addExceptionWarning(Exception ex) {
22011
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Andreas Woess <andreas.woess@oracle.com>
parents: 22003
diff changeset
433 warningLog.addWarning(String.format("Exception in %s: %s", getShortDescription(), ex.getMessage()));
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Andreas Woess <andreas.woess@oracle.com>
parents: 22003
diff changeset
434 }
95d5d6a93968 add more truffle boundaries
Andreas Woess <andreas.woess@oracle.com>
parents: 22003
diff changeset
435
22003
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
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diff changeset
436 @Override
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
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437 public String getLocationDescription() {
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
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diff changeset
438 return "Tag " + tag.name();
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
diff changeset
439 }
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
diff changeset
440
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
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diff changeset
441 @Override
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
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diff changeset
442 public SyntaxTag getTag() {
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
diff changeset
443 return tag;
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
diff changeset
444 }
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
diff changeset
445
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
diff changeset
446 private final class UnconditionalTagBreakInstrumentListener extends DefaultStandardInstrumentListener {
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
diff changeset
447
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
diff changeset
448 @Override
22230
3f2052afcb6d Truffle/Instrumentation: rename the methods in the Instrument listener classes to use the "on" convention, e.g. onEnter(), add Javadoc
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 22225
diff changeset
449 public void onEnter(Probe probe, Node node, VirtualFrame vFrame) {
22003
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
diff changeset
450 TagBreakpointImpl.this.nodeEnter(node, vFrame);
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
diff changeset
451 }
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
diff changeset
452 }
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
diff changeset
453
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
diff changeset
454 }
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
diff changeset
455
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
diff changeset
456 }