Adds code to get the Scala REPL working

This commit is contained in:
Simon Ochsenreither 2013-01-30 04:21:11 +01:00
parent 0c5471d25e
commit b1eb4b9718
7 changed files with 213 additions and 3 deletions

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@ -1,4 +1,4 @@
/* Copyright (c) 2008-2012, Avian Contributors
/* Copyright (c) 2008-2013, Avian Contributors
Permission to use, copy, modify, and/or distribute this software
for any purpose with or without fee is hereby granted, provided
@ -16,6 +16,11 @@ public class File implements Serializable {
public static final String separator = FileSeparator;
private static final String PathSeparator
= System.getProperty("path.separator");
public static final String pathSeparator = PathSeparator;
// static {
// System.loadLibrary("natives");
// }

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@ -1,4 +1,4 @@
/* Copyright (c) 2008, Avian Contributors
/* Copyright (c) 2008-2013, Avian Contributors
Permission to use, copy, modify, and/or distribute this software
for any purpose with or without fee is hereby granted, provided
@ -94,6 +94,27 @@ public final class Integer extends Number implements Comparable<Integer> {
return (double) value;
}
public static int signum(int v) {
if (v == 0) return 0;
else if (v > 0) return 1;
else return -1;
}
// See http://graphics.stanford.edu/~seander/bithacks.html#CountBitsSetParallel
public static int bitCount(int v) {
v = v - ((v >> 1) & 0x55555555);
v = (v & 0x33333333) + ((v >> 2) & 0x33333333);
return ((v + (v >> 4) & 0xF0F0F0F) * 0x1010101) >> 24;
}
public static int reverseBytes(int v) {
int byte3 = v >>> 24;
int byte2 = (v >>> 8) & 0xFF00;
int byte1 = (v << 8) & 0xFF00;
int byte0 = v << 24;
return (byte0 | byte1 | byte2 | byte3);
}
public static int parseInt(String s) {
return parseInt(s, 10);
}

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@ -1,4 +1,4 @@
/* Copyright (c) 2008-2010, Avian Contributors
/* Copyright (c) 2008-2013, Avian Contributors
Permission to use, copy, modify, and/or distribute this software
for any purpose with or without fee is hereby granted, provided
@ -126,6 +126,12 @@ public final class Long extends Number implements Comparable<Long> {
return (double) value;
}
public static int signum(long v) {
if (v == 0) return 0;
else if (v > 0) return 1;
else return -1;
}
private static long pow(long a, long b) {
long c = 1;
for (int i = 0; i < b; ++i) c *= a;

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@ -0,0 +1,44 @@
/* Copyright (c) 2013, Avian Contributors
Permission to use, copy, modify, and/or distribute this software
for any purpose with or without fee is hereby granted, provided
that the above copyright notice and this permission notice appear
in all copies.
There is NO WARRANTY for this software. See license.txt for
details. */
package java.math;
import java.io.Serializable;
public class BigInteger implements Serializable {
private int sign;
private int[] value;
private BigInteger(int sign, long value) {
this.sign = sign;
int upperBits = (int) (value >>> 32);
if (upperBits == 0)
// Array with one element
this.value = new int[] { (int) value };
else
// Array with two elements
this.value = new int[] { (int) value, upperBits };
}
public static final BigInteger ZERO = new BigInteger(0, 0);
public static final BigInteger ONE = new BigInteger(1, 1);
public static final BigInteger TEN = new BigInteger(1, 10);
public static BigInteger valueOf(long num) {
int signum = Long.signum(num);
if (signum == 0)
return BigInteger.ZERO;
else if (signum > 0)
return new BigInteger(signum, num);
else
return new BigInteger(signum, -num);
}
}

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@ -0,0 +1,71 @@
/* Copyright (c) 2013, Avian Contributors
Permission to use, copy, modify, and/or distribute this software
for any purpose with or without fee is hereby granted, provided
that the above copyright notice and this permission notice appear
in all copies.
There is NO WARRANTY for this software. See license.txt for
details. */
package java.math;
import java.io.Serializable;
public final class MathContext implements Serializable {
public static final MathContext DECIMAL32 = new MathContext( 7, RoundingMode.HALF_EVEN);
public static final MathContext DECIMAL64 = new MathContext(16, RoundingMode.HALF_EVEN);
public static final MathContext DECIMAL128 = new MathContext(34, RoundingMode.HALF_EVEN);
public static final MathContext UNLIMITED = new MathContext(0, RoundingMode.HALF_UP);
private int precision;
private RoundingMode roundingMode;
public MathContext(int precision, RoundingMode roundingMode) {
if (precision < 0)
throw new IllegalArgumentException();
if (roundingMode == null)
throw new NullPointerException();
this.precision = precision;
this.roundingMode = roundingMode;
}
public MathContext(int precision) {
this(precision, RoundingMode.HALF_UP);
}
public int getPrecision() {
return precision;
}
public RoundingMode getRoundingMode() {
return roundingMode;
}
@Override
public boolean equals(Object that) {
return
(that instanceof MathContext) &&
(precision == ((MathContext) that).getPrecision()) &&
(roundingMode == ((MathContext) that).getRoundingMode());
}
@Override
public int hashCode() {
return
roundingMode.ordinal() |
(precision << 4);
}
private final static String precisionString = "precision=";
private final static String roundingModeString = " roundingMode=";
@Override
public String toString() {
StringBuilder sb = new StringBuilder(48);
sb.append(precisionString).append(precision);
sb.append(roundingModeString).append(roundingMode);
return sb.toString();
}
}

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@ -0,0 +1,36 @@
/* Copyright (c) 2013, Avian Contributors
Permission to use, copy, modify, and/or distribute this software
for any purpose with or without fee is hereby granted, provided
that the above copyright notice and this permission notice appear
in all copies.
There is NO WARRANTY for this software. See license.txt for
details. */
package java.math;
public enum RoundingMode {
UP (0),
DOWN (1),
CEILING (2),
FLOOR (3),
HALF_UP (4),
HALF_DOWN (5),
HALF_EVEN (6),
UNNECESSARY(7);
RoundingMode(int rm) {
roundingMode = rm;
}
private final int roundingMode;
public static RoundingMode valueOf(int roundingMode) {
final RoundingMode[] values = values();
if (roundingMode < 0 || roundingMode >= values.length)
throw new IllegalArgumentException();
return values[roundingMode];
}
}

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@ -0,0 +1,27 @@
/* Copyright (c) 2013, Avian Contributors
Permission to use, copy, modify, and/or distribute this software
for any purpose with or without fee is hereby granted, provided
that the above copyright notice and this permission notice appear
in all copies.
There is NO WARRANTY for this software. See license.txt for
details. */
package java.util.jar;
public class Attributes {
public static class Name {
private final String name;
private static final int MAX_NAME_LENGTH = 70;
public Name(String s) {
int len = s.length();
if (len == 0 || len > MAX_NAME_LENGTH)
throw new IllegalArgumentException();
name = s;
}
}
}