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1 /*
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2 * Copyright 2000 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.types.basic;
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26
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27 import sun.jvm.hotspot.debugger.*;
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28 import sun.jvm.hotspot.types.*;
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29
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30 /** A specialization of Field which represents a field containing a
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31 Java char value (in either a C/C++ data structure or a Java
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32 object) and which adds typechecked getValue() routines returning
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33 chars. */
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34
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35 public class BasicJCharField extends BasicField implements JCharField {
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36 public BasicJCharField(BasicTypeDataBase db, Type containingType, String name, Type type,
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37 boolean isStatic, long offset, Address staticFieldAddress) {
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38 super(db, containingType, name, type, isStatic, offset, staticFieldAddress);
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39
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40 if (!type.equals(db.getJCharType())) {
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41 throw new WrongTypeException("Type of a BasicJCharField must be db.getJCharType()");
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42 }
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43 }
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44
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45 /** The field must be nonstatic and the type of the field must be a
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46 Java char, or a WrongTypeException will be thrown. */
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47 public char getValue(Address addr) throws UnmappedAddressException, UnalignedAddressException, WrongTypeException {
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48 return getJChar(addr);
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49 }
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50
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51 /** The field must be static and the type of the field must be a
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52 Java char, or a WrongTypeException will be thrown. */
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53 public char getValue() throws UnmappedAddressException, UnalignedAddressException, WrongTypeException {
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54 return getJChar();
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55 }
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56 }
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