Mercurial > hg > truffle
annotate truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/debug/LineBreakpointFactory.java @ 22548:6b76a24fffbd default tip
Use all variables: a, b, u,v and x, y
author | Jaroslav Tulach <jaroslav.tulach@oracle.com> |
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date | Thu, 14 Jan 2016 14:20:57 +0100 |
parents | c04f6f51b9bf |
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rev | line source |
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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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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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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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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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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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7 * published by the Free Software Foundation. Oracle designates this |
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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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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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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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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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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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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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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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14 * version 2 for more details (a copy is included in the LICENSE file that |
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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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15 * accompanied this code). |
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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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16 * |
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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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17 * You should have received a copy of the GNU General Public License version |
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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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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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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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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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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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20 * |
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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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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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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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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.DISABLED_UNRESOLVED; |
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29 import static com.oracle.truffle.api.debug.Breakpoint.State.DISPOSED; |
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30 import static com.oracle.truffle.api.debug.Breakpoint.State.ENABLED; |
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31 import static com.oracle.truffle.api.debug.Breakpoint.State.ENABLED_UNRESOLVED; |
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32 |
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33 import java.io.IOException; |
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34 import java.io.PrintStream; |
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35 import java.util.ArrayList; |
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36 import java.util.Collections; |
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37 import java.util.Comparator; |
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38 import java.util.HashMap; |
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39 import java.util.List; |
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40 import java.util.Map; |
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41 import java.util.Map.Entry; |
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42 |
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43 import com.oracle.truffle.api.Assumption; |
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44 import com.oracle.truffle.api.CompilerDirectives.CompilationFinal; |
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45 import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary; |
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46 import com.oracle.truffle.api.Truffle; |
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47 import com.oracle.truffle.api.debug.Debugger.BreakpointCallback; |
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48 import com.oracle.truffle.api.debug.Debugger.WarningLog; |
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49 import com.oracle.truffle.api.frame.VirtualFrame; |
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50 import com.oracle.truffle.api.instrument.EvalInstrumentListener; |
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51 import com.oracle.truffle.api.instrument.Instrumenter; |
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52 import com.oracle.truffle.api.instrument.Probe; |
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53 import com.oracle.truffle.api.instrument.ProbeInstrument; |
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54 import com.oracle.truffle.api.instrument.StandardSyntaxTag; |
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55 import com.oracle.truffle.api.instrument.SyntaxTag; |
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56 import com.oracle.truffle.api.instrument.impl.DefaultProbeListener; |
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57 import com.oracle.truffle.api.instrument.impl.DefaultStandardInstrumentListener; |
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58 import com.oracle.truffle.api.nodes.InvalidAssumptionException; |
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59 import com.oracle.truffle.api.nodes.Node; |
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60 import com.oracle.truffle.api.source.LineLocation; |
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61 import com.oracle.truffle.api.source.Source; |
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62 import com.oracle.truffle.api.source.SourceSection; |
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63 import com.oracle.truffle.api.utilities.CyclicAssumption; |
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64 |
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65 //TODO (mlvdv) some common functionality could be factored out of this and TagBreakpointSupport |
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66 |
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67 /** |
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68 * Support class for creating and managing all existing ordinary (user visible) line breakpoints. |
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69 * <p> |
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70 * Notes: |
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71 * <ol> |
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72 * <li>Line breakpoints can only be set at nodes tagged as {@link StandardSyntaxTag#STATEMENT}.</li> |
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73 * <li>A newly created breakpoint looks for probes matching the location, attaches to them if found |
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74 * by installing an {@link ProbeInstrument} that calls back to the breakpoint.</li> |
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75 * <li>When Truffle "splits" or otherwise copies an AST, any attached {@link ProbeInstrument} will |
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76 * be copied along with the rest of the AST and will call back to the same breakpoint.</li> |
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77 * <li>When notification is received of a new Node being tagged as a statement, and if a |
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78 * breakpoint's line location matches the Probe's line location, then the breakpoint will attach a |
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79 * new Instrument at the probe to activate the breakpoint at that location.</li> |
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80 * <li>A breakpoint may have multiple Instruments deployed, one attached to each Probe that matches |
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81 * the breakpoint's line location; this might happen when a source is reloaded.</li> |
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82 * </ol> |
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83 * |
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84 */ |
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85 final class LineBreakpointFactory { |
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86 |
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87 private static final boolean TRACE = false; |
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88 private static final PrintStream OUT = System.out; |
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89 |
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90 private static final String BREAKPOINT_NAME = "Line Breakpoints"; |
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91 |
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92 @TruffleBoundary |
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93 private static void trace(String format, Object... args) { |
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94 if (TRACE) { |
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95 OUT.println(String.format("%s: %s", BREAKPOINT_NAME, String.format(format, args))); |
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96 } |
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97 } |
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98 |
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99 private static final Comparator<Entry<LineLocation, LineBreakpointImpl>> BREAKPOINT_COMPARATOR = new Comparator<Entry<LineLocation, LineBreakpointImpl>>() { |
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100 |
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101 @Override |
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102 public int compare(Entry<LineLocation, LineBreakpointImpl> entry1, Entry<LineLocation, LineBreakpointImpl> entry2) { |
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103 final LineLocation line1 = entry1.getKey(); |
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104 final LineLocation line2 = entry2.getKey(); |
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105 final int nameOrder = line1.getSource().getShortName().compareTo(line2.getSource().getShortName()); |
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106 if (nameOrder != 0) { |
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107 return nameOrder; |
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108 } |
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109 return Integer.compare(line1.getLineNumber(), line2.getLineNumber()); |
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110 } |
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111 }; |
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112 |
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113 private final Debugger debugger; |
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114 private final BreakpointCallback breakpointCallback; |
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115 private final WarningLog warningLog; |
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116 |
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117 /** |
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118 * Map: Source lines ==> attached breakpoints. There may be no more than one line breakpoint |
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119 * associated with a line. |
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120 */ |
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121 private final Map<LineLocation, LineBreakpointImpl> lineToBreakpoint = new HashMap<>(); |
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122 |
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123 /** |
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124 * A map of {@link LineLocation} to a collection of {@link Probe}s. This list must be |
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125 * initialized and filled prior to being used by this class. |
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126 */ |
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127 private final LineToProbesMap lineToProbesMap; |
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128 |
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129 /** |
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130 * Globally suspends all line breakpoint activity when {@code false}, ignoring whether |
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131 * individual breakpoints are enabled. |
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132 */ |
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133 @CompilationFinal private boolean breakpointsActive = true; |
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134 private final CyclicAssumption breakpointsActiveUnchanged = new CyclicAssumption(BREAKPOINT_NAME + " globally active"); |
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135 |
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136 LineBreakpointFactory(Debugger debugger, BreakpointCallback breakpointCallback, final WarningLog warningLog) { |
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137 this.debugger = debugger; |
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138 this.breakpointCallback = breakpointCallback; |
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139 this.warningLog = warningLog; |
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140 |
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141 final Instrumenter instrumenter = debugger.getInstrumenter(); |
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142 this.lineToProbesMap = new LineToProbesMap(); |
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143 instrumenter.install(lineToProbesMap); |
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144 |
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145 instrumenter.addProbeListener(new DefaultProbeListener() { |
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146 |
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147 @Override |
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148 public void probeTaggedAs(Probe probe, SyntaxTag tag, Object tagValue) { |
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149 if (tag == StandardSyntaxTag.STATEMENT) { |
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150 final SourceSection sourceSection = probe.getProbedSourceSection(); |
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151 if (sourceSection != null) { |
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152 final LineLocation lineLocation = sourceSection.getLineLocation(); |
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153 if (lineLocation != null) { |
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154 // A Probe with line location tagged STATEMENT we haven't seen before. |
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155 final LineBreakpointImpl breakpoint = lineToBreakpoint.get(lineLocation); |
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156 if (breakpoint != null) { |
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157 breakpoint.attach(probe); |
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158 } |
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159 } |
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160 } |
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161 } |
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162 } |
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163 }); |
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164 } |
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165 |
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166 /** |
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167 * Globally enables line breakpoint activity; all breakpoints are ignored when set to |
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168 * {@code false}. When set to {@code true}, the enabled/disabled status of each breakpoint |
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169 * determines whether it will trigger when flow of execution reaches it. |
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170 * |
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171 * @param breakpointsActive |
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172 */ |
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173 void setActive(boolean breakpointsActive) { |
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174 if (this.breakpointsActive != breakpointsActive) { |
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175 breakpointsActiveUnchanged.invalidate(); |
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176 this.breakpointsActive = breakpointsActive; |
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177 } |
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178 } |
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179 |
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180 /** |
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181 * Gets all current line breakpoints,regardless of status; sorted and modification safe. |
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182 */ |
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183 List<LineBreakpoint> getAll() { |
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184 ArrayList<Entry<LineLocation, LineBreakpointImpl>> entries = new ArrayList<>(lineToBreakpoint.entrySet()); |
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185 Collections.sort(entries, BREAKPOINT_COMPARATOR); |
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186 |
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187 final ArrayList<LineBreakpoint> breakpoints = new ArrayList<>(entries.size()); |
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188 for (Entry<LineLocation, LineBreakpointImpl> entry : entries) { |
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189 breakpoints.add(entry.getValue()); |
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190 } |
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191 return breakpoints; |
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192 } |
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193 |
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194 /** |
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195 * Creates a new line breakpoint if one doesn't already exist. If one does exist, then resets |
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196 * the <em>ignore count</em>. |
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197 * |
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198 * @param lineLocation where to set the breakpoint |
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199 * @param ignoreCount number of initial hits before the breakpoint starts causing breaks. |
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200 * @param oneShot whether the breakpoint should dispose itself after one hit |
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201 * @return a possibly new breakpoint |
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202 * @throws IOException if a breakpoint already exists at the location and the ignore count is |
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203 * the same |
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204 */ |
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205 LineBreakpoint create(int ignoreCount, LineLocation lineLocation, boolean oneShot) throws IOException { |
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206 |
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207 LineBreakpointImpl breakpoint = lineToBreakpoint.get(lineLocation); |
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208 |
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209 if (breakpoint == null) { |
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210 breakpoint = new LineBreakpointImpl(ignoreCount, lineLocation, oneShot); |
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211 |
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212 if (TRACE) { |
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213 trace("NEW " + breakpoint.getShortDescription()); |
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214 } |
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215 |
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216 lineToBreakpoint.put(lineLocation, breakpoint); |
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217 |
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218 for (Probe probe : lineToProbesMap.findProbes(lineLocation)) { |
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219 if (probe.isTaggedAs(StandardSyntaxTag.STATEMENT)) { |
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220 breakpoint.attach(probe); |
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221 break; |
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222 } |
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223 } |
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224 } else { |
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225 if (ignoreCount == breakpoint.getIgnoreCount()) { |
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226 throw new IOException(BREAKPOINT_NAME + " already set at line " + lineLocation); |
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227 } |
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228 breakpoint.setIgnoreCount(ignoreCount); |
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229 if (TRACE) { |
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230 trace("CHANGED ignoreCount %s", breakpoint.getShortDescription()); |
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231 } |
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232 } |
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233 return breakpoint; |
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234 } |
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235 |
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236 /** |
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237 * Returns the {@link LineBreakpoint} for a given line. There should only ever be one breakpoint |
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238 * per line. |
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239 * |
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240 * @param lineLocation The {@link LineLocation} to get the breakpoint for. |
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241 * @return The breakpoint for the given line. |
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242 */ |
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243 LineBreakpoint get(LineLocation lineLocation) { |
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244 return lineToBreakpoint.get(lineLocation); |
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245 } |
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246 |
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247 /** |
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248 * Removes the associated instrumentation for all one-shot breakpoints only. |
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249 */ |
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250 void disposeOneShots() { |
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251 List<LineBreakpointImpl> breakpoints = new ArrayList<>(lineToBreakpoint.values()); |
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252 for (LineBreakpointImpl breakpoint : breakpoints) { |
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253 if (breakpoint.isOneShot()) { |
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254 breakpoint.dispose(); |
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255 } |
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256 } |
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257 } |
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258 |
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259 /** |
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260 * Removes all knowledge of a breakpoint, presumed disposed. |
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261 */ |
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262 private void forget(LineBreakpointImpl breakpoint) { |
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263 lineToBreakpoint.remove(breakpoint.getLineLocation()); |
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264 } |
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265 |
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266 /** |
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267 * Concrete representation of a line breakpoint, implemented by attaching an instrument to a |
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268 * probe at the designated source location. |
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269 */ |
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270 private final class LineBreakpointImpl extends LineBreakpoint implements EvalInstrumentListener { |
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271 |
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272 private static final String SHOULD_NOT_HAPPEN = "LineBreakpointImpl: should not happen"; |
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273 |
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274 private final LineLocation lineLocation; |
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275 |
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276 // Cached assumption that the global status of line breakpoint activity has not changed. |
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277 private Assumption breakpointsActiveAssumption; |
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278 |
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279 // Whether this breakpoint is enable/disabled |
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280 @CompilationFinal private boolean isEnabled; |
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281 private Assumption enabledUnchangedAssumption; |
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282 |
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283 private Source conditionSource; |
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284 |
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285 /** |
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286 * The instrument(s) that this breakpoint currently has attached to a {@link Probe}: |
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287 * {@code null} if not attached. |
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288 */ |
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289 private List<ProbeInstrument> instruments = new ArrayList<>(); |
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290 |
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291 public LineBreakpointImpl(int ignoreCount, LineLocation lineLocation, boolean oneShot) { |
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292 super(ENABLED_UNRESOLVED, ignoreCount, oneShot); |
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293 this.lineLocation = lineLocation; |
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294 |
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295 this.breakpointsActiveAssumption = LineBreakpointFactory.this.breakpointsActiveUnchanged.getAssumption(); |
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296 this.isEnabled = true; |
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297 this.enabledUnchangedAssumption = Truffle.getRuntime().createAssumption(BREAKPOINT_NAME + " enabled state unchanged"); |
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298 } |
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299 |
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300 @Override |
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301 public boolean isEnabled() { |
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302 return isEnabled; |
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303 } |
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304 |
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305 @Override |
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306 public void setEnabled(boolean enabled) { |
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307 if (enabled != isEnabled) { |
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308 switch (getState()) { |
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309 case ENABLED: |
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310 assert !enabled : SHOULD_NOT_HAPPEN; |
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311 doSetEnabled(false); |
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312 changeState(DISABLED); |
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313 break; |
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314 case ENABLED_UNRESOLVED: |
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315 assert !enabled : SHOULD_NOT_HAPPEN; |
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316 doSetEnabled(false); |
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317 changeState(DISABLED_UNRESOLVED); |
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318 break; |
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319 case DISABLED: |
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320 assert enabled : SHOULD_NOT_HAPPEN; |
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321 doSetEnabled(true); |
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322 changeState(ENABLED); |
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323 break; |
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324 case DISABLED_UNRESOLVED: |
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325 assert enabled : SHOULD_NOT_HAPPEN; |
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326 doSetEnabled(true); |
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327 changeState(DISABLED_UNRESOLVED); |
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328 break; |
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329 case DISPOSED: |
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330 assert false : "breakpoint disposed"; |
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331 break; |
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332 default: |
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333 assert false : SHOULD_NOT_HAPPEN; |
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334 break; |
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335 } |
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336 } |
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337 } |
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338 |
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339 @Override |
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340 public void setCondition(String expr) throws IOException { |
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341 if (this.conditionSource != null || expr != null) { |
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342 // De-instrument the Probes instrumented by this breakpoint |
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343 final ArrayList<Probe> probes = new ArrayList<>(); |
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344 for (ProbeInstrument instrument : instruments) { |
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345 probes.add(instrument.getProbe()); |
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346 instrument.dispose(); |
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347 } |
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348 instruments.clear(); |
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349 this.conditionSource = Source.fromText(expr, "breakpoint condition from text: " + expr); |
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350 // Re-instrument the probes previously instrumented |
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351 for (Probe probe : probes) { |
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352 attach(probe); |
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353 } |
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354 } |
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355 } |
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356 |
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357 @Override |
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358 public Source getCondition() { |
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359 return conditionSource; |
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360 } |
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361 |
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362 @TruffleBoundary |
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363 @Override |
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364 public void dispose() { |
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365 if (getState() != DISPOSED) { |
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366 for (ProbeInstrument instrument : instruments) { |
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367 instrument.dispose(); |
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368 } |
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369 changeState(DISPOSED); |
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370 LineBreakpointFactory.this.forget(this); |
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371 } |
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372 } |
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373 |
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374 private void attach(Probe newProbe) { |
22003
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375 if (getState() == DISPOSED) { |
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376 throw new IllegalStateException("Attempt to attach a disposed " + BREAKPOINT_NAME); |
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377 } |
22255
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Truffle/Instrumentation: rename Instrument to ProbeInstrument to distinguish from another kind to be added.
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378 ProbeInstrument newInstrument = null; |
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379 final Instrumenter instrumenter = debugger.getInstrumenter(); |
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380 if (conditionSource == null) { |
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381 newInstrument = instrumenter.attach(newProbe, new UnconditionalLineBreakInstrumentListener(), BREAKPOINT_NAME); |
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382 } else { |
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383 newInstrument = instrumenter.attach(newProbe, conditionSource, this, BREAKPOINT_NAME, null); |
22003
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384 } |
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385 instruments.add(newInstrument); |
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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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386 changeState(isEnabled ? ENABLED : DISABLED); |
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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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387 } |
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388 |
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389 private void doSetEnabled(boolean enabled) { |
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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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390 if (this.isEnabled != enabled) { |
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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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391 enabledUnchangedAssumption.invalidate(); |
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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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392 this.isEnabled = enabled; |
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393 } |
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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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394 } |
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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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395 |
22011
95d5d6a93968
add more truffle boundaries
Andreas Woess <andreas.woess@oracle.com>
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396 @TruffleBoundary |
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397 private String getShortDescription() { |
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398 return BREAKPOINT_NAME + "@" + getLineLocation().getShortDescription(); |
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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 } |
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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 |
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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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401 private void changeState(State after) { |
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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 if (TRACE) { |
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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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403 trace("STATE %s-->%s %s", getState().getName(), after.getName(), getShortDescription()); |
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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 } |
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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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405 setState(after); |
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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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406 } |
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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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407 |
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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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408 private void doBreak(Node node, VirtualFrame vFrame) { |
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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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409 if (incrHitCountCheckIgnore()) { |
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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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410 breakpointCallback.haltedAt(node, vFrame.materialize(), BREAKPOINT_NAME); |
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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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411 } |
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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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412 } |
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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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413 |
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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414 /** |
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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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415 * Receives notification from the attached instrument that execution is about to enter node |
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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416 * where the breakpoint is set. Designed so that when in the fast path, there is either an |
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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417 * unconditional "halt" call to the debugger or nothing. |
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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418 */ |
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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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419 private void nodeEnter(Node astNode, VirtualFrame vFrame) { |
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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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420 |
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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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421 // Deopt if the global active/inactive flag has changed |
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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422 try { |
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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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423 this.breakpointsActiveAssumption.check(); |
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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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424 } catch (InvalidAssumptionException ex) { |
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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425 this.breakpointsActiveAssumption = LineBreakpointFactory.this.breakpointsActiveUnchanged.getAssumption(); |
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>
parents:
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427 |
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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428 // Deopt if the enabled/disabled state of this breakpoint has changed |
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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429 try { |
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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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430 this.enabledUnchangedAssumption.check(); |
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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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431 } catch (InvalidAssumptionException ex) { |
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:
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432 this.enabledUnchangedAssumption = Truffle.getRuntime().createAssumption("LineBreakpoint enabled state unchanged"); |
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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433 } |
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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434 |
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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435 if (LineBreakpointFactory.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.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
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436 if (isOneShot()) { |
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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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437 dispose(); |
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Jaroslav Tulach <jaroslav.tulach@oracle.com>
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438 } |
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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439 LineBreakpointImpl.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.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
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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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441 } |
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:
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|
442 |
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
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443 public void onExecution(Node node, VirtualFrame vFrame, Object result) { |
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444 if (result instanceof Boolean) { |
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445 final boolean condition = (Boolean) result; |
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446 if (TRACE) { |
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447 trace("breakpoint condition = %b %s", condition, getShortDescription()); |
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448 } |
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449 if (condition) { |
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450 nodeEnter(node, vFrame); |
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451 } |
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452 } else { |
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453 onFailure(node, vFrame, new RuntimeException("breakpint failure = non-boolean condition " + result.toString())); |
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454 } |
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455 } |
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456 |
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457 public void onFailure(Node node, VirtualFrame vFrame, Exception ex) { |
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458 addExceptionWarning(ex); |
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459 if (TRACE) { |
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460 trace("breakpoint failure = %s %s", ex, getShortDescription()); |
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461 } |
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462 // Take the breakpoint if evaluation fails. |
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463 nodeEnter(node, vFrame); |
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464 } |
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465 |
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466 @TruffleBoundary |
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467 private void addExceptionWarning(Exception ex) { |
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468 warningLog.addWarning(String.format("Exception in %s: %s", getShortDescription(), ex.getMessage())); |
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469 } |
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470 |
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471 @Override |
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472 public String getLocationDescription() { |
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473 return "Line: " + lineLocation.getShortDescription(); |
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474 } |
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475 |
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476 @Override |
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477 public LineLocation getLineLocation() { |
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478 return lineLocation; |
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479 } |
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480 |
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481 private final class UnconditionalLineBreakInstrumentListener extends DefaultStandardInstrumentListener { |
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482 |
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483 @Override |
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484 public void onEnter(Probe probe, Node node, VirtualFrame vFrame) { |
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485 LineBreakpointImpl.this.nodeEnter(node, vFrame); |
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486 } |
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487 } |
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488 } |
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489 |
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490 } |