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1 /*
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2 * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This
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3 * code is released under a tri EPL/GPL/LGPL license. You can use it,
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4 * redistribute it and/or modify it under the terms of the:
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5 *
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6 * Eclipse Public License version 1.0
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7 * GNU General Public License version 2
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8 * GNU Lesser General Public License version 2.1
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9 */
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10 package com.oracle.truffle.ruby.runtime.core;
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11
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12 import java.math.*;
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13
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14 import com.oracle.truffle.ruby.runtime.objects.*;
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15
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16 /**
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17 * Represents the Ruby {@code Fixnum} class.
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18 */
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19 public class RubyFixnum extends RubyObject implements Unboxable {
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20
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21 public static final int MIN_VALUE = Integer.MIN_VALUE;
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22 public static final int MAX_VALUE = Integer.MAX_VALUE;
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23
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24 public static final BigInteger MIN_VALUE_BIG = BigInteger.valueOf(MIN_VALUE);
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25 public static final BigInteger MAX_VALUE_BIG = BigInteger.valueOf(MAX_VALUE);
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26
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27 public static final int SIZE = Integer.SIZE;
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28
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29 private final int value;
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30
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31 public RubyFixnum(RubyClass fixnumClass, int value) {
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32 super(fixnumClass);
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33 this.value = value;
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34 }
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35
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36 public int getValue() {
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37 return value;
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38 }
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39
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40 @Override
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41 public String toString() {
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42 return Integer.toString(value);
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43 }
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44
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45 @Override
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46 public boolean equals(Object other) {
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47 if (other instanceof Integer) {
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48 return value == (int) other;
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49 } else if (other instanceof RubyFixnum) {
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50 return value == ((RubyFixnum) other).value;
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51 } else if (other instanceof BigInteger) {
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52 return ((BigInteger) other).equals(value);
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53 } else if (other instanceof RubyBignum) {
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54 return ((RubyBignum) other).getValue().equals(value);
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55 } else if (other instanceof Double) {
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56 return value == (double) other;
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57 } else if (other instanceof RubyFloat) {
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58 return value == ((RubyFloat) other).getValue();
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59 } else {
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60 return super.equals(other);
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61 }
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62 }
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63
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64 @Override
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65 public int hashCode() {
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66 throw new UnsupportedOperationException();
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67 }
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68
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69 public Object unbox() {
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70 return value;
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71 }
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72
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73 }
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