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annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/ConditionalNode.java @ 7530:5e3d1a68664e

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applied mx eclipseformat to all Java files
author Doug Simon <doug.simon@oracle.com>
date Wed, 23 Jan 2013 16:34:57 +0100
parents 31da1716950f
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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 java.math.*;
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26
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27 import com.oracle.truffle.api.codegen.*;
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28
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29 @SuppressWarnings("unused")
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30 @ExecuteChildren({"conditionNode", "ifPartNode", "elsePartNode"})
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31 public abstract class ConditionalNode extends TypedNode {
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32
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33 @Child protected ConditionNode conditionNode;
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34
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35 @Child protected TypedNode ifPartNode;
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36
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37 @Child protected TypedNode elsePartNode;
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38
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39 public ConditionalNode(ConditionNode condition, TypedNode ifPart, TypedNode elsePart) {
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40 this.conditionNode = adoptChild(condition);
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41 this.ifPartNode = adoptChild(ifPart);
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42 this.elsePartNode = adoptChild(elsePart);
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43 }
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44
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45 public ConditionalNode(ConditionalNode condition) {
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46 this(condition.conditionNode, condition.ifPartNode, condition.elsePartNode);
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47 }
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48
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49 @ShortCircuit("ifPartNode")
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50 public boolean needsIfPart(boolean condition) {
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51 return condition;
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52 }
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53
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54 @ShortCircuit("ifPartNode")
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55 public boolean needsIfPart(Object condition) {
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56 throw new RuntimeException("operation not defined for type " + condition.getClass().getSimpleName());
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57 }
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58
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59 @ShortCircuit("elsePartNode")
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60 public boolean needsElsePart(Object condition, boolean hasIfPart, Object ifPart) {
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61 return !hasIfPart;
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62 }
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63
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64 @ShortCircuit("elsePartNode")
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65 public boolean needsElsePart(boolean condition, boolean hasIfPart, int ifPart) {
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66 return !hasIfPart;
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67 }
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68
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69 @ShortCircuit("elsePartNode")
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70 public boolean needsElsePart(boolean condition, boolean hasIfPart, BigInteger ifPart) {
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71 return !hasIfPart;
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72 }
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73
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74 @Specialization
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75 public int doInteger(boolean condition, boolean hasIfPart, int ifPart, boolean hasElsePart, int elsePart) {
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76 return hasIfPart ? ifPart : elsePart;
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77 }
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78
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79 @Specialization
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80 public BigInteger doBigInteger(boolean condition, boolean hasIfPart, BigInteger ifPart, boolean hasElsePart, BigInteger elsePart) {
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81 return hasIfPart ? ifPart : elsePart;
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82 }
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83
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84 @Generic
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85 public Object doGeneric(boolean condition, boolean hasIfPart, Object ifPart, boolean hasElsePart, Object elsePart) {
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86 return hasIfPart ? ifPart : elsePart;
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87 }
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88 }