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annotate graal/com.oracle.truffle.api.object/src/com/oracle/truffle/api/object/ObjectType.java @ 18548:11f353f259ae
conditional elimination phase during partial evaluation
author | Lukas Stadler <lukas.stadler@oracle.com> |
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date | Wed, 26 Nov 2014 11:10:26 -0800 |
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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. 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.object; |
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26 |
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27 import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary; |
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28 |
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29 public class ObjectType { |
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30 /** |
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31 * Delegate method for {@link DynamicObject#equals(Object)}. |
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32 */ |
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33 public boolean equals(DynamicObject object, Object other) { |
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34 return object == other; |
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35 } |
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36 |
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37 /** |
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38 * Delegate method for {@link DynamicObject#hashCode()}. |
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39 */ |
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40 public int hashCode(DynamicObject object) { |
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41 return System.identityHashCode(object); |
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42 } |
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43 |
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44 /** |
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45 * Delegate method for {@link DynamicObject#toString()}. |
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46 */ |
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47 @TruffleBoundary |
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48 public String toString(DynamicObject object) { |
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49 return "DynamicObject<" + this.toString() + ">@" + Integer.toHexString(hashCode(object)); |
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50 } |
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51 |
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52 /** |
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53 * Creates a data object to be associated with a newly created shape. |
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54 * |
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55 * @param shape the shape for which to create the data object |
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56 */ |
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57 public Object createShapeData(Shape shape) { |
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58 return null; |
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59 } |
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60 |
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61 /** |
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62 * Called when a new property is added to a shape. |
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63 * |
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64 * @param property the added property |
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65 * @param shapeBefore shape before the property was added |
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66 * @param shapeAfter shape after the property was added |
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67 */ |
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68 public void onPropertyAdded(Property property, Shape shapeBefore, Shape shapeAfter) { |
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69 } |
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70 } |