Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/instrument/SLStandardASTProber.java @ 20130:8dc73c226c63
Truffle: cache NodeClass lookup in Node.
author | Christian Humer <christian.humer@gmail.com> |
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date | Thu, 02 Apr 2015 01:26:31 +0200 |
parents | 6f1afa58a9b8 |
children | 894f82515e38 |
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Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
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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 * 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. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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Truffle Instrumentation: major API revision, based around the Probe and Instrument classes; add Instrumentable API for language implementors, with most details automated; reimplemented to handle AST splitting automatically; more JUnit tests.
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 package com.oracle.truffle.sl.nodes.instrument; |
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24 |
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25 import static com.oracle.truffle.api.instrument.StandardSyntaxTag.*; |
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26 |
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27 import com.oracle.truffle.api.instrument.*; |
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28 import com.oracle.truffle.api.nodes.*; |
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29 import com.oracle.truffle.sl.nodes.*; |
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30 import com.oracle.truffle.sl.nodes.controlflow.*; |
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31 import com.oracle.truffle.sl.nodes.local.*; |
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32 |
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33 /** |
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34 * A visitor which traverses a completely parsed Simple AST (presumed not yet executed) and enables |
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35 * instrumentation at a few standard kinds of nodes. |
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36 */ |
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37 public class SLStandardASTProber implements NodeVisitor, ASTProber { |
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38 |
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39 /** |
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40 * {@inheritDoc} |
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41 * <p> |
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42 * Instruments and tags all relevant {@link SLStatementNode}s and {@link SLExpressionNode}s. |
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43 * Currently, only SLStatementNodes that are not SLExpressionNodes are tagged as statements. |
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44 */ |
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45 public boolean visit(Node node) { |
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46 |
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47 if (node instanceof SLStatementNode && node.getParent() != null && node.getSourceSection() != null) { |
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48 // All SL nodes are instrumentable, but treat expressions specially |
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49 |
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50 if (node instanceof SLExpressionNode) { |
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51 SLExpressionNode expressionNode = (SLExpressionNode) node; |
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52 Probe probe = expressionNode.probe(); |
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53 if (node instanceof SLWriteLocalVariableNode) { |
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54 probe.tagAs(STATEMENT, null); |
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55 probe.tagAs(ASSIGNMENT, null); |
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56 } |
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57 } else { |
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58 SLStatementNode statementNode = (SLStatementNode) node; |
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59 Probe probe = statementNode.probe(); |
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60 probe.tagAs(STATEMENT, null); |
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61 if (node instanceof SLWhileNode) { |
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62 probe.tagAs(START_LOOP, null); |
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63 } |
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64 } |
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65 } |
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66 return true; |
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67 } |
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68 |
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69 public void probeAST(Node node) { |
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70 node.accept(this); |
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71 } |
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72 } |