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annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/access/SLWritePropertyNode.java @ 18485:e3c95cbbb50c
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.
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Sun, 23 Nov 2014 16:07:23 -0800 |
parents | 997bc9764a9a |
children | f7bc60c3a8f6 |
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1 /* |
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2 * Copyright (c) 2013, 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.nodes.access; |
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24 |
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25 import com.oracle.truffle.api.frame.*; |
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26 import com.oracle.truffle.api.nodes.*; |
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27 import com.oracle.truffle.api.source.*; |
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28 import com.oracle.truffle.api.utilities.*; |
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29 import com.oracle.truffle.sl.*; |
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30 import com.oracle.truffle.sl.nodes.*; |
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31 import com.oracle.truffle.sl.runtime.*; |
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32 |
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33 /** |
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34 * The node for setting a property of an object. When executed, this node first evaluates the value |
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35 * expression on the right hand side of the equals operator, followed by the object expression on |
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36 * the left side of the dot operator, and then sets the named property of this object to the new |
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37 * value if the property already exists or adds a new property. Finally, it returns the new value. |
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38 */ |
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39 @NodeInfo(shortName = ".=") |
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40 public final class SLWritePropertyNode extends SLExpressionNode { |
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41 |
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42 public static SLWritePropertyNode create(SourceSection src, SLExpressionNode receiverNode, String propertyName, SLExpressionNode valueNode) { |
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43 return new SLWritePropertyNode(src, receiverNode, propertyName, valueNode); |
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44 } |
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45 |
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46 @Child protected SLExpressionNode receiverNode; |
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47 protected final String propertyName; |
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48 @Child protected SLExpressionNode valueNode; |
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49 @Child protected SLWritePropertyCacheNode cacheNode; |
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50 private final ConditionProfile receiverTypeCondition = ConditionProfile.createBinaryProfile(); |
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51 |
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52 private SLWritePropertyNode(SourceSection src, SLExpressionNode receiverNode, String propertyName, SLExpressionNode valueNode) { |
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53 super(src); |
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54 this.receiverNode = receiverNode; |
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55 this.propertyName = propertyName; |
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56 this.valueNode = valueNode; |
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57 this.cacheNode = SLWritePropertyCacheNode.create(propertyName); |
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58 } |
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59 |
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60 @Override |
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61 public Object executeGeneric(VirtualFrame frame) { |
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62 Object value = valueNode.executeGeneric(frame); |
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63 Object object = receiverNode.executeGeneric(frame); |
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64 if (receiverTypeCondition.profile(SLContext.isSLObject(object))) { |
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65 cacheNode.executeObject(SLContext.castSLObject(object), value); |
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66 } else { |
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67 throw new SLException("unexpected receiver type"); |
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68 } |
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69 return value; |
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70 } |
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71 } |