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annotate truffle/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/access/SLWritePropertyNode.java @ 22415:c1f804ce6cad

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Extend interop functionality for SL
author Matthias Grimmer <grimmer@ssw.jku.at>
date Mon, 23 Nov 2015 16:30:16 +0100
parents dc83cc1f94f2
children b272920e26b2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 * The Universal Permissive License (UPL), Version 1.0
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6 *
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7 * Subject to the condition set forth below, permission is hereby granted to any
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8 * person obtaining a copy of this software, associated documentation and/or
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9 * data (collectively the "Software"), free of charge and under any and all
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10 * copyright rights in the Software, and any and all patent rights owned or
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11 * freely licensable by each licensor hereunder covering either (i) the
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12 * unmodified Software as contributed to or provided by such licensor, or (ii)
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13 * the Larger Works (as defined below), to deal in both
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14 *
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15 * (a) the Software, and
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16 *
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17 * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
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18 * one is included with the Software each a "Larger Work" to which the Software
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19 * is contributed by such licensors),
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20 *
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21 * without restriction, including without limitation the rights to copy, create
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22 * derivative works of, display, perform, and distribute the Software and make,
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23 * use, sell, offer for sale, import, export, have made, and have sold the
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24 * Software and the Larger Work(s), and to sublicense the foregoing rights on
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25 * either these or other terms.
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26 *
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27 * This license is subject to the following condition:
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28 *
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29 * The above copyright notice and either this complete permission notice or at a
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30 * minimum a reference to the UPL must be included in all copies or substantial
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31 * portions of the Software.
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32 *
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33 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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34 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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35 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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36 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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37 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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38 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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39 * SOFTWARE.
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40 */
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41 package com.oracle.truffle.sl.nodes.access;
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42
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43 import com.oracle.truffle.api.CompilerDirectives;
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44 import com.oracle.truffle.api.dsl.NodeChild;
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45 import com.oracle.truffle.api.dsl.NodeChildren;
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46 import com.oracle.truffle.api.dsl.Specialization;
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47 import com.oracle.truffle.api.frame.VirtualFrame;
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48 import com.oracle.truffle.api.interop.ForeignAccess;
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49 import com.oracle.truffle.api.interop.Message;
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50 import com.oracle.truffle.api.interop.TruffleObject;
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51 import com.oracle.truffle.api.nodes.Node;
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52 import com.oracle.truffle.api.nodes.NodeInfo;
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53 import com.oracle.truffle.api.object.DynamicObject;
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54 import com.oracle.truffle.api.source.SourceSection;
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55 import com.oracle.truffle.api.utilities.ConditionProfile;
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56 import com.oracle.truffle.sl.SLException;
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57 import com.oracle.truffle.sl.nodes.SLExpressionNode;
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58 import com.oracle.truffle.sl.runtime.SLContext;
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59
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60 /**
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61 * The node for setting a property of an object. When executed, this node first evaluates the value
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62 * expression on the right hand side of the equals operator, followed by the object expression on
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63 * the left side of the dot operator, and then sets the named property of this object to the new
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64 * value if the property already exists or adds a new property. Finally, it returns the new value.
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65 */
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66 @NodeInfo(shortName = ".=")
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67 @NodeChildren({@NodeChild(value = "receiver", type = SLExpressionNode.class), @NodeChild(value = "value", type = SLExpressionNode.class)})
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68 public abstract class SLWritePropertyNode extends SLExpressionNode {
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69
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70 @Child protected SLExpressionNode receiverNode;
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71 protected final String propertyName;
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72 @Child protected SLExpressionNode valueNode;
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73 @Child protected SLWritePropertyCacheNode cacheNode;
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74 private final ConditionProfile receiverTypeCondition = ConditionProfile.createBinaryProfile();
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75
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76 SLWritePropertyNode(SourceSection src, String propertyName) {
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77 super(src);
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78 this.propertyName = propertyName;
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79 this.cacheNode = SLWritePropertyCacheNodeGen.create(propertyName);
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80 }
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81
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82 @Specialization(guards = "isSLObject(object)")
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83 public Object doSLObject(DynamicObject object, Object value) {
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84 if (receiverTypeCondition.profile(SLContext.isSLObject(object))) {
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85 cacheNode.executeObject(SLContext.castSLObject(object), value);
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86 } else {
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87 CompilerDirectives.transferToInterpreter();
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88 throw new SLException("unexpected receiver type");
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89 }
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90 return value;
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91 }
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92
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93 @Child private Node foreignWrite;
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94
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95 @Specialization
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96 public Object doForeignObject(VirtualFrame frame, TruffleObject object, Object value) {
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97 if (foreignWrite == null) {
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98 CompilerDirectives.transferToInterpreterAndInvalidate();
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99 this.foreignWrite = insert(Message.WRITE.createNode());
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100 }
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101 return ForeignAccess.execute(foreignWrite, frame, object, new Object[]{propertyName, value});
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102 }
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103 }