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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 java.util.*;
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28 import sun.jvm.hotspot.debugger.*;
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29 import sun.jvm.hotspot.types.*;
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30
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31 /** <P> This specialization of BasicType implements the CIntegerType
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32 interface and describes all C integer types. */
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33
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34 public class BasicCIntegerType extends BasicType implements CIntegerType {
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35 private boolean isUnsigned;
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36
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37 public BasicCIntegerType(BasicTypeDataBase db, String name, boolean isUnsigned) {
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38 super(db, name, null);
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39
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40 this.isUnsigned = isUnsigned;
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41 }
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42
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43 public boolean equals(Object obj) {
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44 if (!super.equals(obj)) {
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45 return false;
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46 }
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47
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48 if (!(obj instanceof BasicCIntegerType)) {
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49 return false;
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50 }
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51
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52 BasicCIntegerType arg = (BasicCIntegerType) obj;
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53
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54 if (isUnsigned != arg.isUnsigned) {
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55 return false;
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56 }
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57
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58 return true;
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59 }
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60
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61 public String toString() {
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62 String prefix = null;
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63 if (isUnsigned) {
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64 prefix = "unsigned";
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65 }
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66
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67 if (prefix != null) {
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68 return prefix + " " + getName();
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69 }
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70
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71 return getName();
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72 }
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73
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74 public boolean isCIntegerType() {
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75 return true;
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76 }
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77
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78 public boolean isUnsigned() {
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79 return isUnsigned;
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80 }
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81
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82 /** This should be called at most once, and only by the builder of
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83 the TypeDataBase */
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84 public void setIsUnsigned(boolean isUnsigned) {
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85 this.isUnsigned = isUnsigned;
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86 }
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87
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88 public long maxValue() {
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89 return db.cIntegerTypeMaxValue(getSize(), isUnsigned());
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90 }
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91
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92 public long minValue() {
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93 return db.cIntegerTypeMinValue(getSize(), isUnsigned());
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94 }
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95 }
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