Mercurial > hg > truffle
annotate graal/GraalCompiler/src/com/sun/c1x/ir/NewObjectArray.java @ 2853:0635ba16afe4
Reintroduce Logic subclasses, creating some Canonicalization related classes
author | Gilles Duboscq <gilles.duboscq@oracle.com> |
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date | Tue, 07 Jun 2011 15:52:55 +0200 |
parents | 14708c03abba |
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1 /* |
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2 * Copyright (c) 2009, 2011, 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.sun.c1x.ir; |
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24 |
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25 import com.oracle.graal.graph.*; |
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26 import com.sun.c1x.debug.*; |
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27 import com.sun.cri.ci.*; |
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28 import com.sun.cri.ri.*; |
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29 |
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30 /** |
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31 * The {@code NewObjectArray} instruction represents an allocation of an object array. |
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32 */ |
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33 public final class NewObjectArray extends NewArray { |
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34 |
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35 private static final int INPUT_COUNT = 0; |
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36 private static final int SUCCESSOR_COUNT = 0; |
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37 |
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38 final RiType elementClass; |
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39 |
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40 /** |
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41 * Constructs a new NewObjectArray instruction. |
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42 * @param elementClass the class of elements in this array |
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43 * @param length the instruction producing the length of the array |
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44 * @param graph |
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45 */ |
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46 public NewObjectArray(RiType elementClass, Value length, Graph graph) { |
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47 super(length, INPUT_COUNT, SUCCESSOR_COUNT, graph); |
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48 this.elementClass = elementClass; |
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49 } |
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50 |
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51 /** |
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52 * Gets the type of the elements of the array. |
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53 * @return the element type of the array |
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54 */ |
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55 public RiType elementClass() { |
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56 return elementClass; |
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57 } |
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58 |
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59 @Override |
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60 public RiType exactType() { |
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61 return elementClass.arrayOf(); |
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62 } |
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63 |
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64 @Override |
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65 public RiType declaredType() { |
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66 return exactType(); |
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67 } |
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68 |
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69 @Override |
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70 public void accept(ValueVisitor v) { |
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71 v.visitNewObjectArray(this); |
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72 } |
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73 |
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74 @Override |
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75 public void print(LogStream out) { |
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76 out.print("new object array [").print(length()).print("] ").print(CiUtil.toJavaName(elementClass())); |
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77 } |
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78 |
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79 @Override |
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80 public Node copy(Graph into) { |
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81 NewObjectArray x = new NewObjectArray(elementClass, null, into); |
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82 return x; |
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83 } |
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84 } |