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annotate truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/debug/DebugSupportProvider.java @ 22003:5bc7f7b867ab

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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.
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Sat, 18 Jul 2015 18:03:36 +0200
parents 9c8c0937da41
children dc83cc1f94f2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
21890
894f82515e38 Truffle/APIs and Debugging: Evolutionary steps to integrating debugging and tool support with TruffleVM APIs
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1 /*
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2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation. Oracle designates this
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8 * particular file as subject to the "Classpath" exception as provided
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9 * by Oracle in the LICENSE file that accompanied this code.
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10 *
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11 * This code is distributed in the hope that it will be useful, but WITHOUT
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
894f82515e38 Truffle/APIs and Debugging: Evolutionary steps to integrating debugging and tool support with TruffleVM APIs
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
894f82515e38 Truffle/APIs and Debugging: Evolutionary steps to integrating debugging and tool support with TruffleVM APIs
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14 * version 2 for more details (a copy is included in the LICENSE file that
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15 * accompanied this code).
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16 *
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17 * You should have received a copy of the GNU General Public License version
894f82515e38 Truffle/APIs and Debugging: Evolutionary steps to integrating debugging and tool support with TruffleVM APIs
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18 * 2 along with this work; if not, write to the Free Software Foundation,
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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20 *
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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22 * or visit www.oracle.com if you need additional information or have any
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23 * questions.
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24 */
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25 package com.oracle.truffle.api.debug;
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26
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27 import com.oracle.truffle.api.frame.*;
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28 import com.oracle.truffle.api.instrument.*;
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29 import com.oracle.truffle.api.nodes.*;
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30 import com.oracle.truffle.api.source.*;
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31
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32 /**
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33 * Access to language-specific information and execution services to enable debugging.
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34 */
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35 public interface DebugSupportProvider extends ToolSupportProvider {
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36 /**
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37 * Runs source code in a halted execution context, or at top level.
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38 *
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39 * @param source the code to run
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40 * @param node node where execution halted, {@code null} if no execution context
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41 * @param mFrame frame where execution halted, {@code null} if no execution context
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42 * @return result of running the code in the context, or at top level if no execution context.
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43 * @throws DebugSupportException if the evaluation cannot be performed
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44 */
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45 Object evalInContext(Source source, Node node, MaterializedFrame mFrame) throws DebugSupportException;
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46
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47 /**
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48 * Creates a language-specific factory to produce instances of {@link AdvancedInstrumentRoot}
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49 * that, when executed, computes the result of a textual expression in the language; used to
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50 * create an
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51 * {@linkplain Instrument#create(AdvancedInstrumentResultListener, AdvancedInstrumentRootFactory, Class, String)
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52 * Advanced Instrument}.
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53 *
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54 * @param expr a guest language expression
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55 * @param resultListener optional listener for the result of each evaluation.
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56 * @return a new factory
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57 * @throws DebugSupportException if the factory cannot be created, for example if the expression
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58 * is badly formed.
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59 */
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60 AdvancedInstrumentRootFactory createAdvancedInstrumentRootFactory(String expr, AdvancedInstrumentResultListener resultListener) throws DebugSupportException;
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61 }