Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/local/SLWriteLocalVariableNode.java @ 13821:b16ec83edc73
Documentation and more refactoring of Simple Language
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Wed, 29 Jan 2014 20:45:43 -0800 |
parents | graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/local/WriteLocalNode.java@7c418666c6c9 |
children | 64c77f0577bb |
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1 /* |
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2 * Copyright (c) 2012, 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.local; |
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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 import com.oracle.truffle.sl.nodes.*; |
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29 |
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30 @NodeChild(value = "valueNode") |
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31 @NodeField(name = "slot", type = FrameSlot.class) |
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32 public abstract class SLWriteLocalVariableNode extends SLExpressionNode { |
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33 |
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34 protected abstract FrameSlot getSlot(); |
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35 |
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36 @Specialization(guards = "isLongKind") |
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37 protected long write(VirtualFrame frame, long value) { |
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38 frame.setLong(getSlot(), value); |
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39 return value; |
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40 } |
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41 |
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42 @Specialization(guards = "isBooleanKind") |
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43 protected boolean write(VirtualFrame frame, boolean value) { |
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44 frame.setBoolean(getSlot(), value); |
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45 return value; |
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46 } |
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47 |
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48 @Specialization |
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49 protected Object write(VirtualFrame frame, Object value) { |
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50 if (getSlot().getKind() != FrameSlotKind.Object) { |
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51 CompilerDirectives.transferToInterpreterAndInvalidate(); |
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52 getSlot().setKind(FrameSlotKind.Object); |
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53 } |
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54 frame.setObject(getSlot(), value); |
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55 return value; |
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56 } |
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57 |
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58 protected boolean isLongKind() { |
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59 return isKind(FrameSlotKind.Long); |
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60 } |
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61 |
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62 protected 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 private boolean isKind(FrameSlotKind kind) { |
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67 if (getSlot().getKind() == kind) { |
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68 return true; |
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69 } else if (getSlot().getKind() == FrameSlotKind.Illegal) { |
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70 CompilerDirectives.transferToInterpreterAndInvalidate(); |
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71 getSlot().setKind(kind); |
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72 return true; |
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73 } else { |
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74 return false; |
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75 } |
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76 } |
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77 } |