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1 /*
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2 * Copyright 2000-2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.oops;
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26
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27 import sun.jvm.hotspot.*;
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28 import sun.jvm.hotspot.types.*;
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29 import java.io.*;
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30
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31 // An IndexableFieldIdentifier describes a field in an Oop accessed by an index
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32
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33 public class IndexableFieldIdentifier extends FieldIdentifier {
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34
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35 public IndexableFieldIdentifier(int index) {
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36 this.index = index;
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37 }
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38
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39 private int index;
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40
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41 public int getIndex() { return index; }
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42
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43 public String getName() { return Integer.toString(getIndex()); }
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44
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45 public void printOn(PrintStream tty) {
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46 tty.print(" - " + getIndex() + ":\t");
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47 }
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48
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49 public boolean equals(Object obj) {
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50 if (obj == null) {
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51 return false;
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52 }
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53
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54 if (!(obj instanceof IndexableFieldIdentifier)) {
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55 return false;
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56 }
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57
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58 return (((IndexableFieldIdentifier) obj).getIndex() == index);
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59 }
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60
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61 public int hashCode() {
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62 return index;
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63 }
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64 };
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