Mercurial > hg > truffle
annotate graal/com.oracle.truffle.interop/src/com/oracle/truffle/interop/SymbolInvokerImpl.java @ 21686:5fa7935c5de3
Truffle/Instrumentation: fix the small tool demonstration in SL
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Tue, 02 Jun 2015 17:41:19 -0700 |
parents | a880844225e4 |
children | ed234a3178af |
rev | line source |
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Introducing TruffleVM - a central place to invoke code in any registered TruffleLanguage.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
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1 /* |
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Truffle/Instrumentation: fix the small tool demonstration in SL
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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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Introducing TruffleVM - a central place to invoke code in any registered TruffleLanguage.
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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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Introducing TruffleVM - a central place to invoke code in any registered TruffleLanguage.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
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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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Introducing TruffleVM - a central place to invoke code in any registered TruffleLanguage.
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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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Introducing TruffleVM - a central place to invoke code in any registered TruffleLanguage.
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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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Introducing TruffleVM - a central place to invoke code in any registered TruffleLanguage.
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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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Introducing TruffleVM - a central place to invoke code in any registered TruffleLanguage.
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22 * or visit www.oracle.com if you need additional information or have any |
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Introducing TruffleVM - a central place to invoke code in any registered TruffleLanguage.
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23 * questions. |
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Introducing TruffleVM - a central place to invoke code in any registered TruffleLanguage.
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24 */ |
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Introducing TruffleVM - a central place to invoke code in any registered TruffleLanguage.
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25 package com.oracle.truffle.interop; |
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26 |
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27 import java.io.*; |
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28 |
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29 import com.oracle.truffle.api.*; |
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30 import com.oracle.truffle.api.frame.*; |
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31 import com.oracle.truffle.api.impl.*; |
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32 import com.oracle.truffle.api.interop.*; |
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33 import com.oracle.truffle.api.nodes.*; |
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34 import com.oracle.truffle.interop.messages.*; |
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35 import com.oracle.truffle.interop.node.*; |
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36 |
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37 public final class SymbolInvokerImpl extends SymbolInvoker { |
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38 static final FrameDescriptor UNUSED_FRAMEDESCRIPTOR = new FrameDescriptor(); |
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39 |
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40 @Override |
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41 protected Object invoke(Object symbol, Object... arr) throws IOException { |
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42 ForeignObjectAccessNode executeMain = ForeignObjectAccessNode.getAccess(Execute.create(Receiver.create(), arr.length)); |
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43 CallTarget callTarget = Truffle.getRuntime().createCallTarget(new TemporaryRoot(executeMain, (TruffleObject) symbol, arr)); |
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44 VirtualFrame frame = Truffle.getRuntime().createVirtualFrame(arr, UNUSED_FRAMEDESCRIPTOR); |
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45 return callTarget.call(frame); |
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46 } |
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47 |
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48 private static class TemporaryRoot extends RootNode { |
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49 @Child private ForeignObjectAccessNode foreignAccess; |
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50 private final TruffleObject function; |
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51 private final Object[] args; |
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52 |
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53 public TemporaryRoot(ForeignObjectAccessNode foreignAccess, TruffleObject function, Object... args) { |
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54 this.foreignAccess = foreignAccess; |
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55 this.function = function; |
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56 this.args = args; |
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57 } |
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58 |
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59 @Override |
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60 public Object execute(VirtualFrame frame) { |
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61 return foreignAccess.executeForeign(frame, function, args); |
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62 } |
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63 } |
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64 |
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65 } |