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annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/runtime/SLFunctionForeignAccess.java @ 21689:ed234a3178af

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Behavior of null-like values is now part of the TCK
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 03 Jun 2015 10:17:19 +0200
parents 3286fb5fea4a
children c76742cc2c6f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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21490
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1 /*
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2 * Copyright (c) 2014, 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.
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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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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.runtime;
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24
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25 import com.oracle.truffle.api.CallTarget;
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26 import com.oracle.truffle.api.Truffle;
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27 import com.oracle.truffle.api.frame.VirtualFrame;
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28 import com.oracle.truffle.api.interop.ForeignAccessFactory;
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29 import com.oracle.truffle.api.interop.InteropPredicate;
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30 import com.oracle.truffle.api.interop.exception.UnsupportedMessageException;
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31 import com.oracle.truffle.api.interop.messages.Message;
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32 import com.oracle.truffle.api.nodes.RootNode;
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33 import com.oracle.truffle.interop.ForeignAccessArguments;
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34 import com.oracle.truffle.interop.messages.Execute;
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35 import com.oracle.truffle.interop.messages.IsNull;
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36 import com.oracle.truffle.interop.messages.Receiver;
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37 import com.oracle.truffle.sl.nodes.call.SLDispatchNode;
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38 import com.oracle.truffle.sl.nodes.call.SLDispatchNodeGen;
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39 import java.math.BigInteger;
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40
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41 /**
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42 * Implementation of foreing access for {@link SLFunction}.
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43 */
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44 final class SLFunctionForeignAccess implements ForeignAccessFactory {
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45 public static final ForeignAccessFactory INSTANCE = new SLFunctionForeignAccess();
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46
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47 private SLFunctionForeignAccess() {
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48 }
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49
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50 @Override
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51 public InteropPredicate getLanguageCheck() {
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52 return (com.oracle.truffle.api.interop.TruffleObject o) -> o instanceof SLFunction;
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53 }
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54
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55 @Override
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56 public CallTarget getAccess(Message tree) {
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57 if (Execute.create(Receiver.create(), 0).matchStructure(tree)) {
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58 return Truffle.getRuntime().createCallTarget(new SLForeignCallerRootNode());
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59 } else if (IsNull.create(Receiver.create()).matchStructure(tree)) {
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60 return Truffle.getRuntime().createCallTarget(new SLForeignNullCheckNode());
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61 } else {
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62 throw new UnsupportedMessageException(tree.toString() + " not supported");
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63 }
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64 }
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65
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66 private static class SLForeignCallerRootNode extends RootNode {
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67 @Child private SLDispatchNode dispatch = SLDispatchNodeGen.create();
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68
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69 @Override
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70 public Object execute(VirtualFrame frame) {
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71 SLFunction function = (SLFunction) ForeignAccessArguments.getReceiver(frame.getArguments());
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72 // the calling convention of interop passes the receiver of a
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73 // function call (the this object)
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74 // as an implicit 1st argument; we need to ignore this argument for SL
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75 Object[] arguments = ForeignAccessArguments.extractUserArguments(1, frame.getArguments());
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76 for (int i = 0; i < arguments.length; i++) {
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77 if (arguments[i] instanceof Long) {
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78 continue;
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79 }
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80 if (arguments[i] instanceof BigInteger) {
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81 continue;
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82 }
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83 if (arguments[i] instanceof Number) {
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84 arguments[i] = ((Number) arguments[i]).longValue();
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85 }
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86 }
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87
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88 return dispatch.executeDispatch(frame, function, arguments);
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89 }
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91 }
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92
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93 private static class SLForeignNullCheckNode extends RootNode {
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94 @Override
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95 public Object execute(VirtualFrame frame) {
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96 Object receiver = ForeignAccessArguments.getReceiver(frame.getArguments());
ed234a3178af Behavior of null-like values is now part of the TCK
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21490
diff changeset
97 return SLNull.SINGLETON == receiver;
ed234a3178af Behavior of null-like values is now part of the TCK
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21490
diff changeset
98 }
ed234a3178af Behavior of null-like values is now part of the TCK
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21490
diff changeset
99 }
21490
3286fb5fea4a Introducing standard I/O and error into Env and using TruffleVM to execute SL test cases. Adding SLTckTest to verify SL language interop.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
diff changeset
100 }