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annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/WriteLocalNode.java @ 13359:136df94b5aa8

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SL: updated outdated implementation of write local variable nodes in SL.
author Christian Humer <christian.humer@gmail.com>
date Tue, 17 Dec 2013 15:44:02 +0100
parents 139b84d713bc
children
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1 /*
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2 * Copyright (c) 2012, 2012, 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;
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24
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25 import com.oracle.truffle.api.*;
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26 import com.oracle.truffle.api.dsl.*;
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27 import com.oracle.truffle.api.frame.*;
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28
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29 @NodeChild(value = "rightNode", type = TypedNode.class)
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30 public abstract class WriteLocalNode extends FrameSlotNode {
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31
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32 public WriteLocalNode(FrameSlot slot) {
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33 super(slot);
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34 }
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35
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36 public WriteLocalNode(WriteLocalNode node) {
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37 this(node.slot);
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38 }
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39
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40 @Specialization(guards = "isIntKind")
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41 public int write(VirtualFrame frame, int right) {
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42 frame.setInt(slot, right);
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43 return right;
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44 }
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45
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46 @Specialization(guards = "isBooleanKind")
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47 public boolean write(VirtualFrame frame, boolean right) {
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48 frame.setBoolean(slot, right);
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49 return right;
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50 }
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51
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52 @Specialization(guards = "isObjectKind")
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53 public Object writeGeneric(VirtualFrame frame, Object right) {
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54 frame.setObject(slot, right);
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55 return right;
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56 }
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57
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58 protected final boolean isIntKind() {
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59 return isKind(FrameSlotKind.Int);
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60 }
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61
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62 protected final boolean isBooleanKind() {
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63 return isKind(FrameSlotKind.Boolean);
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64 }
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65
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66 protected final boolean isObjectKind() {
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67 if (slot.getKind() != FrameSlotKind.Object) {
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68 CompilerDirectives.transferToInterpreter();
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69 slot.setKind(FrameSlotKind.Object);
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70 }
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71 return true;
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72 }
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73
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74 private boolean isKind(FrameSlotKind kind) {
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75 return slot.getKind() == kind || initialSetKind(kind);
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76 }
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77
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78 private boolean initialSetKind(FrameSlotKind kind) {
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79 if (slot.getKind() == FrameSlotKind.Illegal) {
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80 CompilerDirectives.transferToInterpreter();
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81 slot.setKind(kind);
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82 return true;
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83 }
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84 return false;
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85 }
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86
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87 }