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annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/local/WriteLocalNode.java @ 13761:7c418666c6c9

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Refactoring and cleanup of Simple Language (more to come soon)
author Christian Wimmer <christian.wimmer@oracle.com>
date Fri, 24 Jan 2014 18:16:24 -0800
parents graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/WriteLocalNode.java@136df94b5aa8
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.local;
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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 import com.oracle.truffle.sl.nodes.*;
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30 @NodeChild(value = "rightNode", type = SLExpressionNode.class)
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31 public abstract class WriteLocalNode extends SLExpressionNode {
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32
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33 private final FrameSlot slot;
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35 public WriteLocalNode(FrameSlot slot) {
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36 this.slot = slot;
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37 }
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38
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39 public WriteLocalNode(WriteLocalNode node) {
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40 this(node.slot);
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41 }
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42
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43 @Specialization(guards = "isLongKind")
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44 protected final long write(VirtualFrame frame, long right) {
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45 frame.setLong(slot, right);
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46 return right;
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47 }
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48
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49 @Specialization(guards = "isBooleanKind")
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50 protected final boolean write(VirtualFrame frame, boolean right) {
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51 frame.setBoolean(slot, right);
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52 return right;
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53 }
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54
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55 @Specialization(guards = "isObjectKind")
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56 protected final Object writeGeneric(VirtualFrame frame, Object right) {
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57 frame.setObject(slot, right);
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58 return right;
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59 }
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60
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61 protected final boolean isLongKind() {
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62 return isKind(FrameSlotKind.Long);
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63 }
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64
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65 protected final boolean isBooleanKind() {
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66 return isKind(FrameSlotKind.Boolean);
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67 }
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68
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69 protected final boolean isObjectKind() {
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70 if (slot.getKind() != FrameSlotKind.Object) {
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71 CompilerDirectives.transferToInterpreter();
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72 slot.setKind(FrameSlotKind.Object);
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73 }
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74 return true;
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75 }
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76
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77 private boolean isKind(FrameSlotKind kind) {
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78 return slot.getKind() == kind || initialSetKind(kind);
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79 }
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80
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81 private boolean initialSetKind(FrameSlotKind kind) {
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82 if (slot.getKind() == FrameSlotKind.Illegal) {
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83 CompilerDirectives.transferToInterpreter();
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84 slot.setKind(kind);
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85 return true;
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86 }
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87 return false;
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88 }
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89 }