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Truffle/Instrumentation: API revisions
author Michael Van De Vanter <michael.van.de.vanter@oracle.com>
date Tue, 29 Apr 2014 12:05:58 -0700
parents 0c6d8a08e31b
children bb9473723904
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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
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8 * particular file as subject to the "Classpath" exception as provided
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9 * by Oracle in the LICENSE file that accompanied this code.
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10 *
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11 * This code is distributed in the hope that it will be useful, but WITHOUT
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 * version 2 for more details (a copy is included in the LICENSE file that
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15 * accompanied this code).
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16 *
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17 * You should have received a copy of the GNU General Public License version
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18 * 2 along with this work; if not, write to the Free Software Foundation,
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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20 *
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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22 * or visit www.oracle.com if you need additional information or have any
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23 * questions.
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24 */
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25 package com.oracle.truffle.api.impl;
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26
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27 import com.oracle.truffle.api.*;
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28 import com.oracle.truffle.api.instrument.*;
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29 import com.oracle.truffle.api.instrument.impl.*;
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30 import com.oracle.truffle.api.source.*;
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31
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32 public abstract class AbstractExecutionContext implements ExecutionContext {
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33
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34 private final SourceManager sourceManager = new SourceManager();
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35 private final Instrumentation instrumentation;
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36 private Visualizer visualizer = new DefaultVisualizer();
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37 protected ASTProber astProber = null;
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38
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39 protected AbstractExecutionContext() {
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40 this.instrumentation = InstrumentationFactory.create(this);
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41 }
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42
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43 public final SourceManager getSourceManager() {
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44 return sourceManager;
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45 }
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46
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47 public final Instrumentation getInstrumentation() {
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48 return instrumentation;
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49 }
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50
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51 public Visualizer getVisualizer() {
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52 return visualizer;
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53 }
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54
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55 public void addNodeProber(ASTNodeProber nodeProber) {
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56 if (astProber == null) {
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57 throw new IllegalStateException("No ASTProber installed in context");
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58 }
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59 astProber.addNodeProber(nodeProber);
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60 }
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61
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62 /**
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63 * Assign guest language-specific visualization support for tools. This must be assigned outside
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64 * the implementation context to avoid build circularities.
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65 */
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66 public void setVisualizer(Visualizer visualizer) {
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67 this.visualizer = visualizer;
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68 }
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69
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70 /**
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71 * Assigns a guest language-specific manager for using {@link ASTNodeProber}s added by tools to
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72 * instrument ASTs with {@link Probe}s at specified nodes. This must be assigned outside the
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73 * implementation context to avoid build circularities. It must also be set before any
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74 * instrumentation probe implementations are assigned.
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75 */
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76 public void setASTProber(ASTProber astProber) {
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77 this.astProber = astProber;
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78 }
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79
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80 /**
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81 * Gets a guest language-specific {@link ASTNodeProber} that will apply all that have been
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82 * added; {@code null} if no instrumentation in AST.
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83 */
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84 public ASTNodeProber getCombinedNodeProber() {
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85 return astProber == null ? null : astProber.getCombinedNodeProber();
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86 }
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88 public abstract void setInstrumentEventListener(InstrumentEventListener listener);
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89
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90 public abstract InstrumentEventListener getInstrumentEventListener();
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91 }