Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/FrameSlotTypeSpecializationTest.java @ 7267:a4b84ba6dc2e
Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 18 Dec 2012 15:33:55 +0100 |
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children | 5e3d1a68664e |
rev | line source |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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1 /* |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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4 * |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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5 * This code is free software; you can redistribute it and/or modify it |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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6 * under the terms of the GNU General Public License version 2 only, as |
a4b84ba6dc2e
Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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7 * published by the Free Software Foundation. |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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8 * |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
a4b84ba6dc2e
Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
a4b84ba6dc2e
Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
a4b84ba6dc2e
Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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12 * version 2 for more details (a copy is included in the LICENSE file that |
a4b84ba6dc2e
Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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13 * accompanied this code). |
a4b84ba6dc2e
Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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14 * |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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15 * You should have received a copy of the GNU General Public License version |
a4b84ba6dc2e
Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
a4b84ba6dc2e
Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
a4b84ba6dc2e
Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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18 * |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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20 * or visit www.oracle.com if you need additional information or have any |
a4b84ba6dc2e
Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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21 * questions. |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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22 */ |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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23 package com.oracle.truffle.api.test; |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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24 |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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25 import org.junit.*; |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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26 |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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27 import com.oracle.truffle.api.*; |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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28 import com.oracle.truffle.api.frame.*; |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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29 import com.oracle.truffle.api.nodes.*; |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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30 |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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31 |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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32 /** |
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33 * <h3>Specializing Frame Slot Types</h3> |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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34 * |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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35 * <p> |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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36 * Dynamically typed languages can speculate on the type of a frame slot and only fall back at run time to a more |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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37 * generic type if necessary. The new type of a frame slot can be set using the {@link FrameSlot#setType(Class)} method. |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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38 * It is the responsibility of the language implementor to update the content of currently active frames (using |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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39 * {@link Frame#updateToLatestVersion()}). Also, nodes that depend a specific type of a frame slot must be replaced. |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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40 * Such node can register a listener that implements {@link FrameSlotTypeListener} using |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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41 * {@link FrameSlot#registerOneShotTypeListener(FrameSlotTypeListener)}. The event of a type change on the frame slot |
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42 * will fire only once for the next upcoming change. |
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43 * </p> |
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44 * |
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45 * <p> |
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46 * The next part of the Truffle API introduction is at {@link com.oracle.truffle.api.test.ReturnTypeSpecializationTest}. |
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47 * </p> |
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48 */ |
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49 public class FrameSlotTypeSpecializationTest { |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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50 |
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51 @Test |
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52 public void test() { |
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53 TruffleRuntime runtime = Truffle.getRuntime(); |
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54 FrameDescriptor frameDescriptor = new FrameDescriptor(); |
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55 FrameSlot slot = frameDescriptor.addFrameSlot("localVar", Integer.class); |
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56 TestRootNode rootNode = new TestRootNode(new IntAssignLocal(slot, new StringTestChildNode()), new IntReadLocal(slot)); |
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57 CallTarget target = runtime.createCallTarget(rootNode, frameDescriptor); |
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58 Assert.assertEquals(Integer.class, slot.getType()); |
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59 Object result = target.call(); |
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60 Assert.assertEquals("42", result); |
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61 Assert.assertEquals(Object.class, slot.getType()); |
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62 } |
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63 |
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64 class TestRootNode extends RootNode { |
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65 |
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66 @Child TestChildNode left; |
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67 @Child TestChildNode right; |
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68 |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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69 public TestRootNode(TestChildNode left, TestChildNode right) { |
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70 this.left = adoptChild(left); |
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71 this.right = adoptChild(right); |
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72 } |
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73 |
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74 @Override |
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75 public Object execute(VirtualFrame frame) { |
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76 left.execute(frame); |
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77 return right.execute(frame); |
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78 } |
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79 } |
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80 |
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81 abstract class TestChildNode extends Node { |
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82 abstract Object execute(VirtualFrame frame); |
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83 } |
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84 |
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85 abstract class FrameSlotNode extends TestChildNode { |
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86 protected final FrameSlot slot; |
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87 |
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88 public FrameSlotNode(FrameSlot slot) { |
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89 this.slot = slot; |
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90 } |
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91 } |
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92 |
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93 class StringTestChildNode extends TestChildNode { |
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94 |
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95 @Override |
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96 Object execute(VirtualFrame frame) { |
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97 return "42"; |
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98 } |
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99 |
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100 } |
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101 |
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102 class IntAssignLocal extends FrameSlotNode implements FrameSlotTypeListener { |
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103 @Child private TestChildNode value; |
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104 |
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105 IntAssignLocal(FrameSlot slot, TestChildNode value) { |
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106 super(slot); |
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107 this.value = adoptChild(value); |
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108 slot.registerOneShotTypeListener(this); |
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109 } |
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110 |
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111 @Override |
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112 Object execute(VirtualFrame frame) { |
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113 Object o = value.execute(frame); |
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114 if (o instanceof Integer) { |
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115 frame.setInt(slot, (Integer) o); |
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116 } else { |
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117 slot.setType(Object.class); |
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118 frame.updateToLatestVersion(); |
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119 frame.setObject(slot, o); |
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120 } |
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121 return null; |
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122 } |
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123 |
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124 @Override |
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125 public void typeChanged(FrameSlot changedSlot, Class< ? > oldType) { |
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126 if (changedSlot.getType() == Object.class) { |
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127 this.replace(new ObjectAssignLocal(changedSlot, value)); |
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128 } |
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129 } |
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130 } |
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131 |
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132 class ObjectAssignLocal extends FrameSlotNode { |
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133 @Child private TestChildNode value; |
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134 |
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135 ObjectAssignLocal(FrameSlot slot, TestChildNode value) { |
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136 super(slot); |
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137 this.value = adoptChild(value); |
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138 } |
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139 |
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140 @Override |
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141 Object execute(VirtualFrame frame) { |
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142 Object o = value.execute(frame); |
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143 frame.setObject(slot, o); |
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144 return null; |
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145 } |
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146 } |
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147 |
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148 class IntReadLocal extends FrameSlotNode implements FrameSlotTypeListener { |
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149 IntReadLocal(FrameSlot slot) { |
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150 super(slot); |
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151 slot.registerOneShotTypeListener(this); |
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152 } |
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153 |
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154 @Override |
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155 Object execute(VirtualFrame frame) { |
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156 return frame.getInt(slot); |
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157 } |
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158 |
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159 @Override |
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160 public void typeChanged(FrameSlot changedSlot, Class< ? > oldType) { |
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161 if (changedSlot.getType() == Object.class) { |
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162 this.replace(new ObjectReadLocal(changedSlot)); |
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163 } |
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164 } |
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165 } |
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166 |
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167 class ObjectReadLocal extends FrameSlotNode { |
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168 ObjectReadLocal(FrameSlot slot) { |
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169 super(slot); |
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170 } |
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171 |
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172 @Override |
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173 Object execute(VirtualFrame frame) { |
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174 return frame.getObject(slot); |
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175 } |
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176 } |
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177 } |
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178 |