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annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/instrument/SourceListener.java @ 15779:8c34e2cc4add

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Truffle/Instrumentation: significant reorganization of the instrumentation framework's implementation and connection to the runtime ExecutionContext, with some new features, including a Tag-based "trap" mechanisms.
author Michael Van De Vanter <michael.van.de.vanter@oracle.com>
date Mon, 19 May 2014 17:14:36 -0700
parents bb9473723904
children 915ebb306fcc
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bb9473723904 Truffle/Instrumentation:
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1 /*
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2 * Copyright (c) 2014, 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
bb9473723904 Truffle/Instrumentation:
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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
bb9473723904 Truffle/Instrumentation:
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
bb9473723904 Truffle/Instrumentation:
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
bb9473723904 Truffle/Instrumentation:
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14 * version 2 for more details (a copy is included in the LICENSE file that
bb9473723904 Truffle/Instrumentation:
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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
bb9473723904 Truffle/Instrumentation:
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18 * 2 along with this work; if not, write to the Free Software Foundation,
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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20 *
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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22 * or visit www.oracle.com if you need additional information or have any
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23 * questions.
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24 */
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25 package com.oracle.truffle.api.instrument;
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26
bb9473723904 Truffle/Instrumentation:
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27 import com.oracle.truffle.api.*;
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29 /**
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30 * A client of the instrumentation framework that requests event notifications from the language
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31 * engine when sources are loaded.
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32 * <p>
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33 * <strong>Disclaimer:</strong> experimental interface under development.
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34 */
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35 public interface SourceListener {
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36
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37 /**
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38 * The guest language runtime is starting to load a source. Care should be taken to ensure that
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39 * under any circumstance there is always a following call to {@link #loadEnding(Source)} with
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40 * the same argument.
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41 */
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42 void loadStarting(Source source);
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43
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44 /**
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45 * The guest language runtime has finished loading a source. Care should be taken to ensure that
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46 * under any circumstance there is always a prior call to {@link #loadStarting(Source)} with the
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47 * same argument.
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48 */
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49 void loadEnding(Source source);
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50
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51 }