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annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/instrument/TruffleEventListener.java @ 19521:b5467bb34b24
Truffle/Instrumentation: some variable renaming for clarity
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Thu, 19 Feb 2015 11:42:03 -0800 |
parents | 128586040207 |
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1 /* |
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2 * Copyright (c) 2013, 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 |
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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.instrument; |
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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.nodes.*; |
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29 |
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30 /** |
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31 * A listener of Truffle AST runtime execution events that can collect information and possibly |
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32 * intervene on behalf of an external tool. |
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33 */ |
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34 public interface TruffleEventListener { |
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35 |
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36 /** |
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37 * Receive notification that an AST node's execute method is about to be called. |
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38 */ |
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39 void enter(Node node, VirtualFrame vFrame); |
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40 |
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41 /** |
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42 * Receive notification that an AST Node's {@code void}-valued execute method has just returned. |
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43 */ |
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44 void returnVoid(Node node, VirtualFrame vFrame); |
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45 |
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46 /** |
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47 * Receive notification that an AST Node'sexecute method has just returned a value (boxed if |
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48 * primitive). |
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49 */ |
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50 void returnValue(Node node, VirtualFrame vFrame, Object result); |
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51 |
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52 /** |
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53 * Receive notification that an AST Node's execute method has just thrown an exception. |
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54 */ |
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55 void returnExceptional(Node node, VirtualFrame vFrame, Exception exception); |
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56 |
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57 } |