src/main/java/org/luaj/vm3/LuaInteger.java - minecraft/opencomputers - Rivoreo Source Code Repositories

 /*******************************************************************************
 * Copyright (c) 2009 Luaj.org. All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 ******************************************************************************/
 package org.luaj.vm3;

 import org.luaj.vm3.lib.MathLib;

 /**
  * Extension of {@link LuaNumber} which can hold a Java int as its value.
  * <p>
  * These instance are not instantiated directly by clients, but indirectly
  * via the static functions {@link LuaValue#valueOf(int)} or {@link LuaValue#valueOf(double)}
  * functions.  This ensures that policies regarding pooling of instances are
  * encapsulated.
  * <p>
  * There are no API's specific to LuaInteger that are useful beyond what is already
  * exposed in {@link LuaValue}.
  *
  * @see LuaValue
  * @see LuaNumber
  * @see LuaDouble
  * @see LuaValue#valueOf(int)
  * @see LuaValue#valueOf(double)
  */
 public class LuaInteger extends LuaNumber {

 	private static final LuaInteger[] intValues = new LuaInteger[512];
 	static {
 		for ( int i=0; i<512; i++ )
 			intValues[i] = new LuaInteger(i-256);
 	}

 	public static LuaInteger valueOf(int i) {
 		return i<=255 && i>=-256? intValues[i+256]: new LuaInteger(i);
 	};

 	 // TODO consider moving this to LuaValue
 	/** Return a LuaNumber that represents the value provided
 	 * @param l long value to represent.
 	 * @return LuaNumber that is eithe LuaInteger or LuaDouble representing l
 	 * @see LuaValue#valueOf(int)
 	 * @see LuaValue#valueOf(double)
 	 */
 	public static LuaNumber valueOf(long l) {
 		int i = (int) l;
 		return l==i? (i<=255 && i>=-256? intValues[i+256]:
 			(LuaNumber) new LuaInteger(i)):
 			(LuaNumber) LuaDouble.valueOf(l);
 	}

 	/** The value being held by this instance. */
 	public final int v;

 	/**
 	 * Package protected constructor.
 	 * @see LuaValue#valueOf(int)
 	 **/
 	LuaInteger(int i) {
 		this.v = i;
 	}

 	public boolean isint() {		return true;	}
 	public boolean isinttype() {	return true;	}
 	public boolean islong() {		return true;	}

 	public byte    tobyte()        { return (byte) v; }
 	public char    tochar()        { return (char) v; }
 	public double  todouble()      { return v; }
 	public float   tofloat()       { return v; }
 	public int     toint()         { return v; }
 	public long    tolong()        { return v; }
 	public short   toshort()       { return (short) v; }

 	public double      optdouble(double defval)            { return v; }
 	public int         optint(int defval)                  { return v;  }
 	public LuaInteger  optinteger(LuaInteger defval)       { return this; }
 	public long        optlong(long defval)                { return v; }

 	public String tojstring() {
 		return Integer.toString(v);
 	}

 	public LuaString strvalue() {
 		return LuaString.valueOf(Integer.toString(v));
 	}

 	public LuaString optstring(LuaString defval) {
 		return LuaString.valueOf(Integer.toString(v));
 	}

 	public LuaValue tostring() {
 		return LuaString.valueOf(Integer.toString(v));
 	}

 	public String optjstring(String defval) {
 		return Integer.toString(v);
 	}

 	public LuaInteger checkinteger() {
 		return this;
 	}

 	public boolean isstring() {
 		return true;
 	}

 	public int hashCode() {
 		return v;
 	}

 	public static int hashCode(int x) {
 		return x;
 	}

 	// unary operators
 	public LuaValue neg() { return valueOf(-(long)v); }

 	// object equality, used for key comparison
 	public boolean equals(Object o) { return o instanceof LuaInteger? ((LuaInteger)o).v == v: false; }

 	// equality w/ metatable processing
 	public LuaValue eq( LuaValue val )    { return val.raweq(v)? TRUE: FALSE; }
 	public boolean eq_b( LuaValue val )   { return val.raweq(v); }

 	// equality w/o metatable processing
 	public boolean raweq( LuaValue val )  { return val.raweq(v); }
 	public boolean raweq( double val )    { return v == val; }
 	public boolean raweq( int val )       { return v == val; }

 	// arithmetic operators
 	public LuaValue   add( LuaValue rhs )        { return rhs.add(v); }
 	public LuaValue   add( double lhs )     { return LuaDouble.valueOf(lhs + v); }
 	public LuaValue   add( int lhs )        { return LuaInteger.valueOf(lhs + (long)v); }
 	public LuaValue   sub( LuaValue rhs )        { return rhs.subFrom(v); }
 	public LuaValue   sub( double rhs )        { return LuaDouble.valueOf(v - rhs); }
 	public LuaValue   sub( int rhs )        { return LuaDouble.valueOf(v - rhs); }
 	public LuaValue   subFrom( double lhs )   { return LuaDouble.valueOf(lhs - v); }
 	public LuaValue   subFrom( int lhs )      { return LuaInteger.valueOf(lhs - (long)v); }
 	public LuaValue   mul( LuaValue rhs )        { return rhs.mul(v); }
 	public LuaValue   mul( double lhs )   { return LuaDouble.valueOf(lhs * v); }
 	public LuaValue   mul( int lhs )      { return LuaInteger.valueOf(lhs * (long)v); }
 	public LuaValue   pow( LuaValue rhs )        { return rhs.powWith(v); }
 	public LuaValue   pow( double rhs )        { return MathLib.dpow(v,rhs); }
 	public LuaValue   pow( int rhs )        { return MathLib.dpow(v,rhs); }
 	public LuaValue   powWith( double lhs )   { return MathLib.dpow(lhs,v); }
 	public LuaValue   powWith( int lhs )      { return MathLib.dpow(lhs,v); }
 	public LuaValue   div( LuaValue rhs )        { return rhs.divInto(v); }
 	public LuaValue   div( double rhs )        { return LuaDouble.ddiv(v,rhs); }
 	public LuaValue   div( int rhs )        { return LuaDouble.ddiv(v,rhs); }
 	public LuaValue   divInto( double lhs )   { return LuaDouble.ddiv(lhs,v); }
 	public LuaValue   mod( LuaValue rhs )        { return rhs.modFrom(v); }
 	public LuaValue   mod( double rhs )        { return LuaDouble.dmod(v,rhs); }
 	public LuaValue   mod( int rhs )        { return LuaDouble.dmod(v,rhs); }
 	public LuaValue   modFrom( double lhs )   { return LuaDouble.dmod(lhs,v); }

 	// relational operators
 	public LuaValue   lt( LuaValue rhs )         { return rhs.gt_b(v)? TRUE: FALSE; }
 	public LuaValue   lt( double rhs )      { return v < rhs? TRUE: FALSE; }
 	public LuaValue   lt( int rhs )         { return v < rhs? TRUE: FALSE; }
 	public boolean lt_b( LuaValue rhs )       { return rhs.gt_b(v); }
 	public boolean lt_b( int rhs )         { return v < rhs; }
 	public boolean lt_b( double rhs )      { return v < rhs; }
 	public LuaValue   lteq( LuaValue rhs )       { return rhs.gteq_b(v)? TRUE: FALSE; }
 	public LuaValue   lteq( double rhs )    { return v <= rhs? TRUE: FALSE; }
 	public LuaValue   lteq( int rhs )       { return v <= rhs? TRUE: FALSE; }
 	public boolean lteq_b( LuaValue rhs )     { return rhs.gteq_b(v); }
 	public boolean lteq_b( int rhs )       { return v <= rhs; }
 	public boolean lteq_b( double rhs )    { return v <= rhs; }
 	public LuaValue   gt( LuaValue rhs )         { return rhs.lt_b(v)? TRUE: FALSE; }
 	public LuaValue   gt( double rhs )      { return v > rhs? TRUE: FALSE; }
 	public LuaValue   gt( int rhs )         { return v > rhs? TRUE: FALSE; }
 	public boolean gt_b( LuaValue rhs )       { return rhs.lt_b(v); }
 	public boolean gt_b( int rhs )         { return v > rhs; }
 	public boolean gt_b( double rhs )      { return v > rhs; }
 	public LuaValue   gteq( LuaValue rhs )       { return rhs.lteq_b(v)? TRUE: FALSE; }
 	public LuaValue   gteq( double rhs )    { return v >= rhs? TRUE: FALSE; }
 	public LuaValue   gteq( int rhs )       { return v >= rhs? TRUE: FALSE; }
 	public boolean gteq_b( LuaValue rhs )     { return rhs.lteq_b(v); }
 	public boolean gteq_b( int rhs )       { return v >= rhs; }
 	public boolean gteq_b( double rhs )    { return v >= rhs; }

 	// string comparison
 	public int strcmp( LuaString rhs )      { typerror("attempt to compare number with string"); return 0; }

 	public int checkint() {
 		return v;
 	}
 	public long checklong() {
 		return v;
 	}
 	public double checkdouble() {
 		return v;
 	}
 	public String checkjstring() {
 		return String.valueOf(v);
 	}
 	public LuaString checkstring() {
 		return valueOf( String.valueOf(v) );
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2009 Luaj.org. All rights reserved.
	*
	* Permission is hereby granted, free of charge, to any person obtaining a copy
	* of this software and associated documentation files (the "Software"), to deal
	* in the Software without restriction, including without limitation the rights
	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	* copies of the Software, and to permit persons to whom the Software is
	* furnished to do so, subject to the following conditions:
	*
	* The above copyright notice and this permission notice shall be included in
	* all copies or substantial portions of the Software.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	* THE SOFTWARE.
	******************************************************************************/
	package org.luaj.vm3;

	import org.luaj.vm3.lib.MathLib;

	/**
	* Extension of {@link LuaNumber} which can hold a Java int as its value.
	* <p>
	* These instance are not instantiated directly by clients, but indirectly
	* via the static functions {@link LuaValue#valueOf(int)} or {@link LuaValue#valueOf(double)}
	* functions. This ensures that policies regarding pooling of instances are
	* encapsulated.
	* <p>
	* There are no API's specific to LuaInteger that are useful beyond what is already
	* exposed in {@link LuaValue}.
	*
	* @see LuaValue
	* @see LuaNumber
	* @see LuaDouble
	* @see LuaValue#valueOf(int)
	* @see LuaValue#valueOf(double)
	*/
	public class LuaInteger extends LuaNumber {

	private static final LuaInteger[] intValues = new LuaInteger[512];
	static {
	for ( int i=0; i<512; i++ )
	intValues[i] = new LuaInteger(i-256);
	}

	public static LuaInteger valueOf(int i) {
	return i<=255 && i>=-256? intValues[i+256]: new LuaInteger(i);
	};

	// TODO consider moving this to LuaValue
	/** Return a LuaNumber that represents the value provided
	* @param l long value to represent.
	* @return LuaNumber that is eithe LuaInteger or LuaDouble representing l
	* @see LuaValue#valueOf(int)
	* @see LuaValue#valueOf(double)
	*/
	public static LuaNumber valueOf(long l) {
	int i = (int) l;
	return l==i? (i<=255 && i>=-256? intValues[i+256]:
	(LuaNumber) new LuaInteger(i)):
	(LuaNumber) LuaDouble.valueOf(l);
	}

	/** The value being held by this instance. */
	public final int v;

	/**
	* Package protected constructor.
	* @see LuaValue#valueOf(int)
	**/
	LuaInteger(int i) {
	this.v = i;
	}

	public boolean isint() { return true; }
	public boolean isinttype() { return true; }
	public boolean islong() { return true; }

	public byte tobyte() { return (byte) v; }
	public char tochar() { return (char) v; }
	public double todouble() { return v; }
	public float tofloat() { return v; }
	public int toint() { return v; }
	public long tolong() { return v; }
	public short toshort() { return (short) v; }

	public double optdouble(double defval) { return v; }
	public int optint(int defval) { return v; }
	public LuaInteger optinteger(LuaInteger defval) { return this; }
	public long optlong(long defval) { return v; }

	public String tojstring() {
	return Integer.toString(v);
	}

	public LuaString strvalue() {
	return LuaString.valueOf(Integer.toString(v));
	}

	public LuaString optstring(LuaString defval) {
	return LuaString.valueOf(Integer.toString(v));
	}

	public LuaValue tostring() {
	return LuaString.valueOf(Integer.toString(v));
	}

	public String optjstring(String defval) {
	return Integer.toString(v);
	}

	public LuaInteger checkinteger() {
	return this;
	}

	public boolean isstring() {
	return true;
	}

	public int hashCode() {
	return v;
	}

	public static int hashCode(int x) {
	return x;
	}

	// unary operators
	public LuaValue neg() { return valueOf(-(long)v); }

	// object equality, used for key comparison
	public boolean equals(Object o) { return o instanceof LuaInteger? ((LuaInteger)o).v == v: false; }

	// equality w/ metatable processing
	public LuaValue eq( LuaValue val ) { return val.raweq(v)? TRUE: FALSE; }
	public boolean eq_b( LuaValue val ) { return val.raweq(v); }

	// equality w/o metatable processing
	public boolean raweq( LuaValue val ) { return val.raweq(v); }
	public boolean raweq( double val ) { return v == val; }
	public boolean raweq( int val ) { return v == val; }

	// arithmetic operators
	public LuaValue add( LuaValue rhs ) { return rhs.add(v); }
	public LuaValue add( double lhs ) { return LuaDouble.valueOf(lhs + v); }
	public LuaValue add( int lhs ) { return LuaInteger.valueOf(lhs + (long)v); }
	public LuaValue sub( LuaValue rhs ) { return rhs.subFrom(v); }
	public LuaValue sub( double rhs ) { return LuaDouble.valueOf(v - rhs); }
	public LuaValue sub( int rhs ) { return LuaDouble.valueOf(v - rhs); }
	public LuaValue subFrom( double lhs ) { return LuaDouble.valueOf(lhs - v); }
	public LuaValue subFrom( int lhs ) { return LuaInteger.valueOf(lhs - (long)v); }
	public LuaValue mul( LuaValue rhs ) { return rhs.mul(v); }
	public LuaValue mul( double lhs ) { return LuaDouble.valueOf(lhs * v); }
	public LuaValue mul( int lhs ) { return LuaInteger.valueOf(lhs * (long)v); }
	public LuaValue pow( LuaValue rhs ) { return rhs.powWith(v); }
	public LuaValue pow( double rhs ) { return MathLib.dpow(v,rhs); }
	public LuaValue pow( int rhs ) { return MathLib.dpow(v,rhs); }
	public LuaValue powWith( double lhs ) { return MathLib.dpow(lhs,v); }
	public LuaValue powWith( int lhs ) { return MathLib.dpow(lhs,v); }
	public LuaValue div( LuaValue rhs ) { return rhs.divInto(v); }
	public LuaValue div( double rhs ) { return LuaDouble.ddiv(v,rhs); }
	public LuaValue div( int rhs ) { return LuaDouble.ddiv(v,rhs); }
	public LuaValue divInto( double lhs ) { return LuaDouble.ddiv(lhs,v); }
	public LuaValue mod( LuaValue rhs ) { return rhs.modFrom(v); }
	public LuaValue mod( double rhs ) { return LuaDouble.dmod(v,rhs); }
	public LuaValue mod( int rhs ) { return LuaDouble.dmod(v,rhs); }
	public LuaValue modFrom( double lhs ) { return LuaDouble.dmod(lhs,v); }

	// relational operators
	public LuaValue lt( LuaValue rhs ) { return rhs.gt_b(v)? TRUE: FALSE; }
	public LuaValue lt( double rhs ) { return v < rhs? TRUE: FALSE; }
	public LuaValue lt( int rhs ) { return v < rhs? TRUE: FALSE; }
	public boolean lt_b( LuaValue rhs ) { return rhs.gt_b(v); }
	public boolean lt_b( int rhs ) { return v < rhs; }
	public boolean lt_b( double rhs ) { return v < rhs; }
	public LuaValue lteq( LuaValue rhs ) { return rhs.gteq_b(v)? TRUE: FALSE; }
	public LuaValue lteq( double rhs ) { return v <= rhs? TRUE: FALSE; }
	public LuaValue lteq( int rhs ) { return v <= rhs? TRUE: FALSE; }
	public boolean lteq_b( LuaValue rhs ) { return rhs.gteq_b(v); }
	public boolean lteq_b( int rhs ) { return v <= rhs; }
	public boolean lteq_b( double rhs ) { return v <= rhs; }
	public LuaValue gt( LuaValue rhs ) { return rhs.lt_b(v)? TRUE: FALSE; }
	public LuaValue gt( double rhs ) { return v > rhs? TRUE: FALSE; }
	public LuaValue gt( int rhs ) { return v > rhs? TRUE: FALSE; }
	public boolean gt_b( LuaValue rhs ) { return rhs.lt_b(v); }
	public boolean gt_b( int rhs ) { return v > rhs; }
	public boolean gt_b( double rhs ) { return v > rhs; }
	public LuaValue gteq( LuaValue rhs ) { return rhs.lteq_b(v)? TRUE: FALSE; }
	public LuaValue gteq( double rhs ) { return v >= rhs? TRUE: FALSE; }
	public LuaValue gteq( int rhs ) { return v >= rhs? TRUE: FALSE; }
	public boolean gteq_b( LuaValue rhs ) { return rhs.lteq_b(v); }
	public boolean gteq_b( int rhs ) { return v >= rhs; }
	public boolean gteq_b( double rhs ) { return v >= rhs; }

	// string comparison
	public int strcmp( LuaString rhs ) { typerror("attempt to compare number with string"); return 0; }

	public int checkint() {
	return v;
	}
	public long checklong() {
	return v;
	}
	public double checkdouble() {
	return v;
	}
	public String checkjstring() {
	return String.valueOf(v);
	}
	public LuaString checkstring() {
	return valueOf( String.valueOf(v) );
	}

	}