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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/ri/HotSpotTypeUnresolved.java @ 5504:452f91ebdb54

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Moved RiKind to cri.ri package.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Thu, 07 Jun 2012 17:09:57 +0200
parents 438ab53efdd0
children dc71b06d09f8
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1 /*
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2 * Copyright (c) 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.oracle.graal.hotspot.ri;
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24
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25 import com.oracle.max.cri.ri.*;
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26 import com.oracle.graal.graph.*;
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27 import com.oracle.graal.hotspot.Compiler;
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28
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29 /**
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30 * Implementation of RiType for unresolved HotSpot classes.
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31 */
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32 public class HotSpotTypeUnresolved extends HotSpotType {
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33
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34 private static final long serialVersionUID = -2320936267633521314L;
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35 public final String simpleName;
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36 public final int dimensions;
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37
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38 /**
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39 * Creates a new unresolved type for a specified type descriptor.
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40 */
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41 public HotSpotTypeUnresolved(Compiler compiler, String name) {
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42 super(compiler);
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43 assert name.length() > 0 : "name cannot be empty";
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44
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45 int dims = 0;
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46 int startIndex = 0;
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47 while (name.charAt(startIndex) == '[') {
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48 startIndex++;
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49 dims++;
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50 }
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51
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52 // Decode name if necessary.
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53 if (name.charAt(name.length() - 1) == ';') {
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54 assert name.charAt(startIndex) == 'L';
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55 this.simpleName = name.substring(startIndex + 1, name.length() - 1);
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56 this.name = name;
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57 } else {
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58 this.simpleName = name;
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59 this.name = getFullName(name, dims);
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60 }
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61
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62 this.dimensions = dims;
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63 }
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64
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65 public HotSpotTypeUnresolved(Compiler compiler, String name, int dimensions) {
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66 super(compiler);
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67 assert dimensions >= 0;
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68 this.simpleName = name;
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69 this.dimensions = dimensions;
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70 this.name = getFullName(name, dimensions);
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71 }
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72
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73 private static String getFullName(String name, int dimensions) {
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74 StringBuilder str = new StringBuilder(name.length() + dimensions + 2);
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75 for (int i = 0; i < dimensions; i++) {
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76 str.append('[');
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77 }
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78 str.append('L').append(name).append(';');
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79 return str.toString();
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80 }
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81
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82 @Override
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83 public RiType componentType() {
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84 assert dimensions > 0 : "no array class" + name();
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85 return new HotSpotTypeUnresolved(compiler, simpleName, dimensions - 1);
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86 }
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87
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88 @Override
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89 public RiType arrayOf() {
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90 return new HotSpotTypeUnresolved(compiler, simpleName, dimensions + 1);
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91 }
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92
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93 @Override
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94 public RiKind kind(boolean architecture) {
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95 return RiKind.Object;
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96 }
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97
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98 @Override
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99 public int hashCode() {
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100 return simpleName.hashCode();
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101 }
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102
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103 @Override
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104 public boolean equals(Object o) {
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105 return o == this;
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106 }
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107
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108 @Override
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109 public String toString() {
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110 return "HotSpotType<" + simpleName + ", unresolved>";
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111 }
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112
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113 @Override
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114 public RiKind getRepresentationKind(RiType.Representation r) {
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115 return RiKind.Object;
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116 }
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117
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118 @Override
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119 public RiResolvedType resolve(RiResolvedType accessingClass) {
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120 return (RiResolvedType) compiler.lookupType(name, (HotSpotTypeResolved) accessingClass, true);
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121 }
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122
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123 @Override
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124 public HotSpotKlassOop klassOop() {
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125 throw GraalInternalError.shouldNotReachHere("HotSpotTypeUnresolved.klassOop");
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126 }
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127 }