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annotate truffle/com.oracle.truffle.sl.tools/src/com/oracle/truffle/sl/tools/debug/SLREPLServer.java @ 22157:dc83cc1f94f2

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Using fully qualified imports
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 16 Sep 2015 11:33:22 +0200
parents 503529c65456
children dcb70d90c11d
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rev   line source
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3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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1 /*
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2 * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * The Universal Permissive License (UPL), Version 1.0
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6 *
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7 * Subject to the condition set forth below, permission is hereby granted to any
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8 * person obtaining a copy of this software, associated documentation and/or
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9 * data (collectively the "Software"), free of charge and under any and all
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10 * copyright rights in the Software, and any and all patent rights owned or
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11 * freely licensable by each licensor hereunder covering either (i) the
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12 * unmodified Software as contributed to or provided by such licensor, or (ii)
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13 * the Larger Works (as defined below), to deal in both
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14 *
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15 * (a) the Software, and
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16 *
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17 * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
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18 * one is included with the Software each a "Larger Work" to which the Software
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19 * is contributed by such licensors),
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20 *
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21 * without restriction, including without limitation the rights to copy, create
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22 * derivative works of, display, perform, and distribute the Software and make,
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23 * use, sell, offer for sale, import, export, have made, and have sold the
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24 * Software and the Larger Work(s), and to sublicense the foregoing rights on
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25 * either these or other terms.
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26 *
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27 * This license is subject to the following condition:
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28 *
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29 * The above copyright notice and either this complete permission notice or at a
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30 * minimum a reference to the UPL must be included in all copies or substantial
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31 * portions of the Software.
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32 *
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33 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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34 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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35 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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36 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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37 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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38 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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parents: 21951
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39 * SOFTWARE.
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
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40 */
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
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41 package com.oracle.truffle.sl.tools.debug;
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
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parents:
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42
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43 import com.oracle.truffle.api.debug.Breakpoint;
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44 import com.oracle.truffle.api.debug.Debugger;
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45 import com.oracle.truffle.api.debug.ExecutionEvent;
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46 import com.oracle.truffle.api.debug.SuspendedEvent;
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47 import com.oracle.truffle.api.instrument.QuitException;
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48 import com.oracle.truffle.api.instrument.Visualizer;
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49 import com.oracle.truffle.api.source.Source;
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50 import com.oracle.truffle.api.source.SourceSection;
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51 import com.oracle.truffle.api.vm.EventConsumer;
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52 import com.oracle.truffle.api.vm.TruffleVM;
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53 import com.oracle.truffle.api.vm.TruffleVM.Language;
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54 import com.oracle.truffle.sl.SLLanguage;
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55 import com.oracle.truffle.sl.nodes.instrument.SLDefaultVisualizer;
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56 import com.oracle.truffle.tools.debug.shell.REPLMessage;
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57 import com.oracle.truffle.tools.debug.shell.REPLServer;
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58 import com.oracle.truffle.tools.debug.shell.client.SimpleREPLClient;
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59 import com.oracle.truffle.tools.debug.shell.server.REPLHandler;
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60 import com.oracle.truffle.tools.debug.shell.server.REPLServerContext;
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61 import java.util.HashMap;
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62 import java.util.List;
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63 import java.util.Map;
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parents:
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64
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parents:
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65 /**
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parents:
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66 * Instantiation of the "server" side of the "REPL*" debugger for the Simple language.
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parents:
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67 * <p>
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parents:
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68 * The SL parser is not equipped to parse program fragments, so any debugging functions that depend
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Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21997
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69 * on this are not supported, for example "eval" and breakpoint conditions.
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parents:
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70 *
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71 * @see SimpleREPLClient
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parents:
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72 */
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parents: 21997
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73 public final class SLREPLServer extends REPLServer {
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parents: 21568
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74
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a50fa3266a0a Truffle/SL/Debugging: add to the SLREPL debugger an artificial static dependency on SLLanguage, to ensure that it will be on the class path. This is a workaround for the lack of a mechanism to record such dynamic dependencies in the face of complaint by j"canonicalizeprojects".
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75 // TODO (mlvdv) remove when there's a better way to express this dependency
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parents: 21890
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76 @SuppressWarnings("unused") private static final Class<SLLanguage> DYNAMIC_DEPENDENCY = com.oracle.truffle.sl.SLLanguage.class;
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77
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78 public static void main(String[] args) {
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79 // Cheating for the prototype: start from SL, rather than from the client.
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parents:
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80 final SLREPLServer server = new SLREPLServer();
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parents: 21568
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81 final SimpleREPLClient client = new SimpleREPLClient(server.language.getShortName(), server);
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parents:
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82
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83 // Cheating for the prototype: allow server access to client for recursive debugging
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84 server.setClient(client);
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85
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parents:
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86 try {
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87 client.start();
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88 } catch (QuitException ex) {
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89 }
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90 }
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
91
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894f82515e38 Truffle/APIs and Debugging: Evolutionary steps to integrating debugging and tool support with TruffleVM APIs
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 21568
diff changeset
92 private final Language language;
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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: 21997
diff changeset
93 private final TruffleVM vm;
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: 21997
diff changeset
94 private Debugger db;
21568
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
95 private final String statusPrefix;
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
96 private final Map<String, REPLHandler> handlerMap = new HashMap<>();
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
97 private SLServerContext currentServerContext;
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
98 private SimpleREPLClient replClient = null;
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
99
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
100 private void add(REPLHandler fileHandler) {
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
101 handlerMap.put(fileHandler.getOp(), fileHandler);
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
102 }
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
103
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
104 public SLREPLServer() {
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
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105 add(REPLHandler.BACKTRACE_HANDLER);
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
106 add(REPLHandler.BREAK_AT_LINE_HANDLER);
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
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107 add(REPLHandler.BREAK_AT_LINE_ONCE_HANDLER);
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
108 add(REPLHandler.BREAK_AT_THROW_HANDLER);
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
109 add(REPLHandler.BREAK_AT_THROW_ONCE_HANDLER);
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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diff changeset
110 add(REPLHandler.BREAKPOINT_INFO_HANDLER);
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
111 add(REPLHandler.CLEAR_BREAK_HANDLER);
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
112 add(REPLHandler.CONTINUE_HANDLER);
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
113 add(REPLHandler.DELETE_HANDLER);
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
114 add(REPLHandler.DISABLE_BREAK_HANDLER);
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
115 add(REPLHandler.ENABLE_BREAK_HANDLER);
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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116 add(REPLHandler.FILE_HANDLER);
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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diff changeset
117 add(REPLHandler.FRAME_HANDLER);
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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118 add(SLREPLHandler.INFO_HANDLER);
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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diff changeset
119 add(REPLHandler.KILL_HANDLER);
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
120 add(SLREPLHandler.LOAD_RUN_SOURCE_HANDLER);
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
121 add(SLREPLHandler.LOAD_STEP_SOURCE_HANDLER);
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
122 add(REPLHandler.QUIT_HANDLER);
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
123 add(REPLHandler.STEP_INTO_HANDLER);
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
124 add(REPLHandler.STEP_OUT_HANDLER);
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
125 add(REPLHandler.STEP_OVER_HANDLER);
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
126 add(REPLHandler.TRUFFLE_HANDLER);
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
127 add(REPLHandler.TRUFFLE_NODE_HANDLER);
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
128
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Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21997
diff changeset
129 EventConsumer<SuspendedEvent> onHalted = new EventConsumer<SuspendedEvent>(SuspendedEvent.class) {
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: 21997
diff changeset
130 @Override
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Jaroslav Tulach <jaroslav.tulach@oracle.com>
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diff changeset
131 protected void on(SuspendedEvent ev) {
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: 21997
diff changeset
132 SLREPLServer.this.haltedAt(ev);
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: 21997
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133 }
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Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21997
diff changeset
134 };
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: 21997
diff changeset
135 EventConsumer<ExecutionEvent> onExec = new EventConsumer<ExecutionEvent>(ExecutionEvent.class) {
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: 21997
diff changeset
136 @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.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21997
diff changeset
137 protected void on(ExecutionEvent event) {
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: 21997
diff changeset
138 event.prepareStepInto();
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
139 db = event.getDebugger();
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: 21997
diff changeset
140 }
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: 21997
diff changeset
141 };
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: 21997
diff changeset
142
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: 21997
diff changeset
143 TruffleVM newVM = TruffleVM.newVM().onEvent(onHalted).onEvent(onExec).build();
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: 21997
diff changeset
144 this.language = newVM.getLanguages().get("application/x-sl");
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894f82515e38 Truffle/APIs and Debugging: Evolutionary steps to integrating debugging and tool support with TruffleVM APIs
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents: 21568
diff changeset
145 assert language != null;
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diff changeset
146
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Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21997
diff changeset
147 this.vm = newVM;
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894f82515e38 Truffle/APIs and Debugging: Evolutionary steps to integrating debugging and tool support with TruffleVM APIs
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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diff changeset
148 this.statusPrefix = language.getShortName() + " REPL:";
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
149 }
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
150
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
151 private void setClient(SimpleREPLClient replClient) {
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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diff changeset
152 this.replClient = replClient;
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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diff changeset
153 }
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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diff changeset
154
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Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21997
diff changeset
155 @Override
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
156 public REPLMessage start() {
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
157
22003
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Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21997
diff changeset
158 this.currentServerContext = new SLServerContext(null, null);
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3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
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159
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160 // SL doesn't load modules (like other languages), so we just return a success
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161 final REPLMessage reply = new REPLMessage();
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162 reply.put(REPLMessage.STATUS, REPLMessage.SUCCEEDED);
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163 reply.put(REPLMessage.DISPLAY_MSG, language.getShortName() + " started");
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164 return reply;
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165 }
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166
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167 @Override
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168 public REPLMessage[] receive(REPLMessage request) {
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169 if (currentServerContext == null) {
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170 final REPLMessage message = new REPLMessage();
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171 message.put(REPLMessage.STATUS, REPLMessage.FAILED);
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172 message.put(REPLMessage.DISPLAY_MSG, "server not started");
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173 final REPLMessage[] reply = new REPLMessage[]{message};
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174 return reply;
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175 }
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176 return currentServerContext.receive(request);
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177 }
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178
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179 /**
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180 * Execution context of a halted SL program.
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181 */
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182 public final class SLServerContext extends REPLServerContext {
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183
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184 private final SLServerContext predecessor;
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185
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186 public SLServerContext(SLServerContext predecessor, SuspendedEvent event) {
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187 super(predecessor == null ? 0 : predecessor.getLevel() + 1, event);
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188 this.predecessor = predecessor;
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189 }
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190
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191 @Override
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192 public REPLMessage[] receive(REPLMessage request) {
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193 final String command = request.get(REPLMessage.OP);
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194 final REPLHandler handler = handlerMap.get(command);
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195
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196 if (handler == null) {
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197 final REPLMessage message = new REPLMessage();
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198 message.put(REPLMessage.OP, command);
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199 message.put(REPLMessage.STATUS, REPLMessage.FAILED);
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200 message.put(REPLMessage.DISPLAY_MSG, statusPrefix + " op \"" + command + "\" not supported");
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201 final REPLMessage[] reply = new REPLMessage[]{message};
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202 return reply;
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203 }
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204 return handler.receive(request, currentServerContext);
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205 }
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206
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207 @Override
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208 public Language getLanguage() {
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209 return language;
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210 }
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211
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212 @Override
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213 public Visualizer getVisualizer() {
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214 return new SLDefaultVisualizer();
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215 }
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216
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217 @Override
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218 public TruffleVM vm() {
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219 return vm;
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220 }
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221
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222 @Override
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223 protected Debugger db() {
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224 return db;
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225 }
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226
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227 @Override
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228 public void registerBreakpoint(Breakpoint breakpoint) {
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229 SLREPLServer.this.registerBreakpoint(breakpoint);
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230 }
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231
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232 @Override
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233 public Breakpoint findBreakpoint(int id) {
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234 return SLREPLServer.this.findBreakpoint(id);
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235 }
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236
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237 @Override
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238 public int getBreakpointID(Breakpoint breakpoint) {
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239 return SLREPLServer.this.getBreakpointID(breakpoint);
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parents:
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240 }
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
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241
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242 }
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243
22003
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244 void haltedAt(SuspendedEvent event) {
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245 // Create and push a new debug context where execution is halted
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246 currentServerContext = new SLServerContext(currentServerContext, event);
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247
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248 // Message the client that execution is halted and is in a new debugging context
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249 final REPLMessage message = new REPLMessage();
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250 message.put(REPLMessage.OP, REPLMessage.STOPPED);
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251 final SourceSection src = event.getNode().getSourceSection();
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252 final Source source = src.getSource();
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253 message.put(REPLMessage.SOURCE_NAME, source.getName());
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254 message.put(REPLMessage.FILE_PATH, source.getPath());
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255 message.put(REPLMessage.LINE_NUMBER, Integer.toString(src.getStartLine()));
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256 message.put(REPLMessage.STATUS, REPLMessage.SUCCEEDED);
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257 message.put(REPLMessage.DEBUG_LEVEL, Integer.toString(currentServerContext.getLevel()));
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258 List<String> warnings = event.getRecentWarnings();
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259 if (!warnings.isEmpty()) {
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260 final StringBuilder sb = new StringBuilder();
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261 for (String warning : warnings) {
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262 sb.append(warning + "\n");
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parents:
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263 }
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Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21997
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264 message.put(REPLMessage.WARNINGS, sb.toString());
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265 }
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266 try {
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267 // Cheat with synchrony: call client directly about entering a nested debugging
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268 // context.
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269 replClient.halted(message);
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270 } finally {
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271 // Returns when "continue" is called in the new debugging context
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parents:
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272
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273 // Pop the debug context, and return so that the old context will continue
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274 currentServerContext = currentServerContext.predecessor;
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275 }
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
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276 }
3b8bbf51d320 Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
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277 }