Mercurial Hosting > luan

changeset 46:a443637829c1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
remove LuaNumber git-svn-id: https://luan-java.googlecode.com/svn/trunk@47 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Thu, 27 Dec 2012 01:48:36 +0000
parents b1b14d09fc98
children 659c7139e903
files src/luan/Lua.java src/luan/LuaJavaFunction.java src/luan/LuaNumber.java src/luan/LuaState.java src/luan/LuaTable.java src/luan/interp/AddExpr.java src/luan/interp/DivExpr.java src/luan/interp/EqExpr.java src/luan/interp/LeExpr.java src/luan/interp/LenExpr.java src/luan/interp/LtExpr.java src/luan/interp/LuaParser.java src/luan/interp/ModExpr.java src/luan/interp/MulExpr.java src/luan/interp/NumericForStmt.java src/luan/interp/PowExpr.java src/luan/interp/SubExpr.java src/luan/interp/TableExpr.java src/luan/interp/UnmExpr.java src/luan/lib/BasicLib.java src/luan/lib/JavaLib.java src/luan/lib/StringLib.java src/luan/lib/TableLib.java src/luan/tools/CmdLine.java
diffstat 24 files changed, 126 insertions(+), 348 deletions(-) [+]
line wrap: on
line diff
--- a/src/luan/Lua.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/Lua.java	Thu Dec 27 01:48:36 2012 +0000
@@ -11,7 +11,7 @@
 			return "string";
 		if( obj instanceof Boolean )
 			return "boolean";
-		if( obj instanceof LuaNumber )
+		if( obj instanceof Number )
 			return "number";
 		return "userdata";
 	}
@@ -21,25 +21,27 @@
 	}
 
 	public static String asString(Object obj) {
-		if( obj instanceof String || obj instanceof LuaNumber )
-			return obj.toString();
+		if( obj instanceof String )
+			return (String)obj;
+		if( obj instanceof Number )
+			return toString((Number)obj);
 		return null;
 	}
 
-	public static LuaNumber toNumber(Object obj) {
+	public static Number toNumber(Object obj) {
 		return toNumber(obj,null);
 	}
 
-	public static LuaNumber toNumber(Object obj,Integer base) {
-		if( obj instanceof LuaNumber )
-			return (LuaNumber)obj;
+	public static Number toNumber(Object obj,Integer base) {
+		if( obj instanceof Number )
+			return (Number)obj;
 		if( obj instanceof String ) {
 			String s = (String)obj;
 			try {
 				if( base==null )
-					return LuaNumber.of( Double.parseDouble(s) );
+					return Double.valueOf(s);
 				else
-					return LuaNumber.of( Long.parseLong(s,base) );
+					return Long.valueOf(s,base);
 			} catch(NumberFormatException e) {}
 		}
 		return null;
@@ -49,4 +51,30 @@
 		return a.length==0 ? null : a[0];
 	}
 
+	public static String toString(Number n) {
+		if( n instanceof Integer )
+			return n.toString();
+		String s = n.toString();
+		int iE = s.indexOf('E');
+		String ending  = null;
+		if( iE != -1 ) {
+			ending = s.substring(iE);
+			s = s.substring(0,iE);
+		}
+		if( s.endsWith(".0") )
+			s = s.substring(0,s.length()-2);
+		if( ending != null )
+			s += ending;
+		return s;
+	}
+
+	public static Integer asInteger(Object obj) {
+		if( obj instanceof Integer )
+			return (Integer)obj;
+		if( !(obj instanceof Number) )
+			return null;
+		Number n = (Number)obj;
+		int i = n.intValue();
+		return i==n.doubleValue() ? Integer.valueOf(i) : null;
+	}
 }
--- a/src/luan/LuaJavaFunction.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/LuaJavaFunction.java	Thu Dec 27 01:48:36 2012 +0000
@@ -125,56 +125,16 @@
 
 	private static final Object[] NULL_RTN = new Object[1];
 
-	private static final RtnConverter RTN_NUMBER = new RtnConverter() {
-		public Object[] convert(Object obj) {
-			if( obj == null )
-				return NULL_RTN;
-			Number n = (Number)obj;
-			LuaNumber ln = LuaNumber.of(n);
-			return new Object[]{ln};
-		}
-	};
-
-	private static final RtnConverter RTN_NUMBER_ARRAY = new RtnConverter() {
-		public Object[] convert(Object obj) {
-			if( obj == null )
-				return NULL_RTN;
-			Object[] rtn = new Object[Array.getLength(obj)];
-			for( int i=0; i<rtn.length; i++ ) {
-				Number n = (Number)Array.get(obj,i);
-				if( n != null )
-					rtn[i] = LuaNumber.of(n.doubleValue());
-			}
-			return rtn;
-		}
-	};
-
 	private static RtnConverter getRtnConverter(JavaMethod m) {
 		Class<?> rtnType = m.getReturnType();
 		if( rtnType == Void.TYPE )
 			return RTN_EMPTY;
-		if( isNumber(rtnType) )
-			return RTN_NUMBER;
 		if( rtnType.isArray() ) {
-			rtnType = rtnType.getComponentType();
-			if( isNumber(rtnType) )
-				return RTN_NUMBER_ARRAY;
 			return RTN_ARRAY;
 		}
 		return RTN_ONE;
 	}
 
-	private static boolean isNumber(Class<?> rtnType) {
-		return Number.class.isAssignableFrom(rtnType)
-			|| rtnType == Byte.TYPE
-			|| rtnType == Short.TYPE
-			|| rtnType == Integer.TYPE
-			|| rtnType == Long.TYPE
-			|| rtnType == Float.TYPE
-			|| rtnType == Double.TYPE
-		;
-	}
-
 
 	private interface ArgConverter {
 		public Object convert(Object obj);
@@ -186,110 +146,6 @@
 		}
 	};
 
-	private static final ArgConverter ARG_DOUBLE = new ArgConverter() {
-		public Object convert(Object obj) {
-			if( obj instanceof LuaNumber ) {
-				LuaNumber ln = (LuaNumber)obj;
-				return Double.valueOf(ln.n);
-			}
-			if( obj instanceof String ) {
-				String s = (String)obj;
-				try {
-					return Double.valueOf(s);
-				} catch(NumberFormatException e) {}
-			}
-			return obj;
-		}
-	};
-
-	private static final ArgConverter ARG_FLOAT = new ArgConverter() {
-		public Object convert(Object obj) {
-			if( obj instanceof LuaNumber ) {
-				LuaNumber ln = (LuaNumber)obj;
-				return Float.valueOf((float)ln.n);
-			}
-			if( obj instanceof String ) {
-				String s = (String)obj;
-				try {
-					return Float.valueOf(s);
-				} catch(NumberFormatException e) {}
-			}
-			return obj;
-		}
-	};
-
-	private static final ArgConverter ARG_LONG = new ArgConverter() {
-		public Object convert(Object obj) {
-			if( obj instanceof LuaNumber ) {
-				LuaNumber ln = (LuaNumber)obj;
-				long i = (long)ln.n;
-				if( i == ln.n )
-					return Long.valueOf(i);
-			}
-			else if( obj instanceof String ) {
-				String s = (String)obj;
-				try {
-					return Long.valueOf(s);
-				} catch(NumberFormatException e) {}
-			}
-			return obj;
-		}
-	};
-
-	private static final ArgConverter ARG_INTEGER = new ArgConverter() {
-		public Object convert(Object obj) {
-			if( obj instanceof LuaNumber ) {
-				LuaNumber ln = (LuaNumber)obj;
-				int i = (int)ln.n;
-				if( i == ln.n )
-					return Integer.valueOf(i);
-			}
-			else if( obj instanceof String ) {
-				String s = (String)obj;
-				try {
-					return Integer.valueOf(s);
-				} catch(NumberFormatException e) {}
-			}
-			return obj;
-		}
-	};
-
-	private static final ArgConverter ARG_SHORT = new ArgConverter() {
-		public Object convert(Object obj) {
-			if( obj instanceof LuaNumber ) {
-				LuaNumber ln = (LuaNumber)obj;
-				short i = (short)ln.n;
-				if( i == ln.n )
-					return Short.valueOf(i);
-			}
-			else if( obj instanceof String ) {
-				String s = (String)obj;
-				try {
-					return Short.valueOf(s);
-				} catch(NumberFormatException e) {}
-			}
-			return obj;
-		}
-	};
-
-	private static final ArgConverter ARG_BYTE = new ArgConverter() {
-		public Object convert(Object obj) {
-			if( obj instanceof LuaNumber ) {
-				LuaNumber ln = (LuaNumber)obj;
-				byte i = (byte)ln.n;
-				if( i == ln.n )
-					return Byte.valueOf(i);
-			}
-			else if( obj instanceof String ) {
-				String s = (String)obj;
-				try {
-					return Byte.valueOf(s);
-				} catch(NumberFormatException e) {}
-			}
-			return obj;
-		}
-	};
-
 	private static boolean takesLuaState(JavaMethod m) {
 		Class<?>[] paramTypes = m.getParameterTypes();
 		return paramTypes.length > 0 && paramTypes[0].equals(LuaState.class);
@@ -314,18 +170,6 @@
 	}
 
 	private static ArgConverter getArgConverter(Class<?> cls) {
-		if( cls == Double.TYPE || cls.equals(Double.class) )
-			return ARG_DOUBLE;
-		if( cls == Float.TYPE || cls.equals(Float.class) )
-			return ARG_FLOAT;
-		if( cls == Long.TYPE || cls.equals(Long.class) )
-			return ARG_LONG;
-		if( cls == Integer.TYPE || cls.equals(Integer.class) )
-			return ARG_INTEGER;
-		if( cls == Short.TYPE || cls.equals(Short.class) )
-			return ARG_SHORT;
-		if( cls == Byte.TYPE || cls.equals(Byte.class) )
-			return ARG_BYTE;
 		return ARG_SAME;
 	}
 
--- a/src/luan/LuaNumber.java	Thu Dec 27 00:44:58 2012 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,67 +0,0 @@
-package luan;
-
-
-public final class LuaNumber implements Comparable<LuaNumber> {
-	final double n;
-
-	private LuaNumber(double n) {
-		this.n = n;
-	}
-
-	public double value() {
-		return n;
-	}
-
-	// convert to Lua format
-	@Override public String toString() {
-		String s = Double.toString(n);
-		int iE = s.indexOf('E');
-		String ending  = null;
-		if( iE != -1 ) {
-			ending = s.substring(iE);
-			s = s.substring(0,iE);
-		}
-		if( s.endsWith(".0") )
-			s = s.substring(0,s.length()-2);
-		if( ending != null )
-			s += ending;
-		return s;
-	}
-
-	@Override public boolean equals(Object obj) {
-		if( !(obj instanceof LuaNumber) )
-			return false;
-		LuaNumber ln = (LuaNumber)obj;
-		return n == ln.n;
-	}
-
-	@Override public int hashCode() {
-		return Double.valueOf(n).hashCode();
-	}
-
-	@Override public int compareTo(LuaNumber ln) {
-		return Double.compare(n,ln.n);
-	}
-
-	public static LuaNumber of(double n) {
-		return new LuaNumber(n);
-	}
-
-	private static LuaNumber[] ints = new LuaNumber[100];
-	static {
-		for( int i=0; i<ints.length; i++ ) {
-			ints[i] = new LuaNumber(i);
-		}
-	}
-
-	public static LuaNumber of(int n) {
-		if( 0 <= n && n < ints.length )
-			return ints[n];
-		return new LuaNumber(n);
-	}
-
-	public static LuaNumber of(Number n) {
-		return n instanceof Integer ? of(n.intValue()) : of(n.doubleValue());
-	}
-
-}
--- a/src/luan/LuaState.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/LuaState.java	Thu Dec 27 01:48:36 2012 +0000
@@ -46,8 +46,8 @@
 		return s;
 	}
 
-	public final LuaNumber checkNumber(LuaElement el,Object obj) throws LuaException {
-		LuaNumber n = Lua.toNumber(obj);
+	public final Number checkNumber(LuaElement el,Object obj) throws LuaException {
+		Number n = Lua.toNumber(obj);
 		if( n == null )
 			throw new LuaException( this, el, "attempt to perform arithmetic on a " + Lua.type(obj) + " value" );
 		return n;
@@ -65,6 +65,8 @@
 			return checkString( el, Lua.first( call(fn,el,"__tostring",obj) ) );
 		if( obj == null )
 			return "nil";
+		if( obj instanceof Number )
+			return Lua.toString((Number)obj);
 		if( obj instanceof LuaException ) {
 			LuaException le = (LuaException)obj;
 			return le.getMessage();
@@ -93,10 +95,10 @@
 	}
 
 	public final boolean isLessThan(LuaElement el,Object o1,Object o2) throws LuaException {
-		if( o1 instanceof LuaNumber && o2 instanceof LuaNumber ) {
-			LuaNumber n1 = (LuaNumber)o1;
-			LuaNumber n2 = (LuaNumber)o2;
-			return n1.compareTo(n2) < 0;
+		if( o1 instanceof Number && o2 instanceof Number ) {
+			Number n1 = (Number)o1;
+			Number n2 = (Number)o2;
+			return n1.doubleValue() < n2.doubleValue();
 		}
 		if( o1 instanceof String && o2 instanceof String ) {
 			String s1 = (String)o1;
--- a/src/luan/LuaTable.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/LuaTable.java	Thu Dec 27 01:48:36 2012 +0000
@@ -26,11 +26,10 @@
 	}
 
 	public Object get(Object key) {
-		if( list != null && key instanceof LuaNumber ) {
-			LuaNumber ln = (LuaNumber)key;
-			int i = (int)ln.n;
-			if( i == ln.n ) {
-				i--;
+		if( list != null ) {
+			Integer iT = Lua.asInteger(key);
+			if( iT != null ) {
+				int i = iT - 1;
 				if( i>=0 && i<list.size() )
 					return list.get(i);
 			}
@@ -41,43 +40,44 @@
 	}
 
 	public Object put(Object key,Object val) {
-		if( key instanceof LuaNumber ) {
-			LuaNumber ln = (LuaNumber)key;
-			int i = (int)ln.n;
-			if( i == ln.n ) {
-				i--;
-				if( list == null && i == 0 )
-					list = new ArrayList<Object>();
-				if( list != null ) {
-					if( i == list.size() ) {
-						if( val != null ) {
-							list.add(val);
-							if( map != null ) {
-								while(true) {
-									Object v = map.remove(LuaNumber.of(list.size()+1));
-									if( v == null )
-										break;
-									list.add(v);
-								}
+		Integer iT = Lua.asInteger(key);
+		if( iT != null ) {
+			int i = iT - 1;
+			if( list == null && i == 0 )
+				list = new ArrayList<Object>();
+			if( list != null ) {
+				if( i == list.size() ) {
+					if( val != null ) {
+						list.add(val);
+						if( map != null ) {
+							while(true) {
+								Object v = map.remove(Double.valueOf(list.size()+1));
+								if( v == null )
+									break;
+								list.add(v);
 							}
 						}
-						return null;
-					} else if( i>=0 && i<list.size() ) {
-						Object old = list.get(i);
-						list.set(i,val);
-						if( val == null && i == list.size()-1 ) {
-							while( i>=0 && list.get(i)==null ) {
-								list.remove(i--);
-							}
+					}
+					return null;
+				} else if( i>=0 && i<list.size() ) {
+					Object old = list.get(i);
+					list.set(i,val);
+					if( val == null && i == list.size()-1 ) {
+						while( i>=0 && list.get(i)==null ) {
+							list.remove(i--);
 						}
-						return old;
 					}
+					return old;
 				}
 			}
 		}
 		if( map==null ) {
 			map = new HashMap<Object,Object>();
 		}
+		if( key instanceof Number && !(key instanceof Double) ) {
+			Number n = (Number)key;
+			key = Double.valueOf(n.doubleValue());
+		}
 		if( val == null ) {
 			return map.remove(key);
 		} else {
@@ -144,7 +144,7 @@
 				return iter.hasNext();
 			}
 			public Map.Entry<Object,Object> next() {
-				LuaNumber key = LuaNumber.of(iter.nextIndex()+1);
+				Double key = Double.valueOf(iter.nextIndex()+1);
 				return new MapEntry(key,iter.next());
 			}
 			public void remove() {
--- a/src/luan/interp/AddExpr.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/interp/AddExpr.java	Thu Dec 27 01:48:36 2012 +0000
@@ -1,7 +1,6 @@
 package luan.interp;
 
 import luan.Lua;
-import luan.LuaNumber;
 import luan.LuaException;
 import luan.LuaSource;
 
@@ -15,10 +14,10 @@
 	@Override public Object eval(LuaStateImpl lua) throws LuaException {
 		Object o1 = op1.eval(lua);
 		Object o2 = op2.eval(lua);
-		LuaNumber n1 = Lua.toNumber(o1);
-		LuaNumber n2 = Lua.toNumber(o2);
+		Number n1 = Lua.toNumber(o1);
+		Number n2 = Lua.toNumber(o2);
 		if( n1 != null && n2 != null )
-			return LuaNumber.of( n1.value() + n2.value() );
+			return n1.doubleValue() + n2.doubleValue();
 		return arithmetic(lua,"__add",o1,o2);
 	}
 }
--- a/src/luan/interp/DivExpr.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/interp/DivExpr.java	Thu Dec 27 01:48:36 2012 +0000
@@ -1,7 +1,6 @@
 package luan.interp;
 
 import luan.Lua;
-import luan.LuaNumber;
 import luan.LuaException;
 import luan.LuaSource;
 
@@ -15,10 +14,10 @@
 	@Override public Object eval(LuaStateImpl lua) throws LuaException {
 		Object o1 = op1.eval(lua);
 		Object o2 = op2.eval(lua);
-		LuaNumber n1 = Lua.toNumber(o1);
-		LuaNumber n2 = Lua.toNumber(o2);
+		Number n1 = Lua.toNumber(o1);
+		Number n2 = Lua.toNumber(o2);
 		if( n1 != null && n2 != null )
-			return LuaNumber.of( n1.value() / n2.value() );
+			return n1.doubleValue() / n2.doubleValue();
 		return arithmetic(lua,"__div",o1,o2);
 	}
 }
--- a/src/luan/interp/EqExpr.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/interp/EqExpr.java	Thu Dec 27 01:48:36 2012 +0000
@@ -1,7 +1,6 @@
 package luan.interp;
 
 import luan.Lua;
-import luan.LuaNumber;
 import luan.LuaFunction;
 import luan.LuaTable;
 import luan.LuaException;
@@ -19,6 +18,11 @@
 		Object o2 = op2.eval(lua);
 		if( o1 == o2 || o1 != null && o1.equals(o2) )
 			return true;
+		if( o1 instanceof Number && o2 instanceof Number ) {
+			Number n1 = (Number)o1;
+			Number n2 = (Number)o2;
+			return n1.doubleValue() == n2.doubleValue();
+		}
 		if( !o1.getClass().equals(o2.getClass()) )
 			return false;
 		LuaTable mt1 = lua.getMetatable(o1);
--- a/src/luan/interp/LeExpr.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/interp/LeExpr.java	Thu Dec 27 01:48:36 2012 +0000
@@ -1,7 +1,6 @@
 package luan.interp;
 
 import luan.Lua;
-import luan.LuaNumber;
 import luan.LuaFunction;
 import luan.LuaException;
 import luan.LuaSource;
@@ -16,10 +15,10 @@
 	@Override public Object eval(LuaStateImpl lua) throws LuaException {
 		Object o1 = op1.eval(lua);
 		Object o2 = op2.eval(lua);
-		if( o1 instanceof LuaNumber && o2 instanceof LuaNumber ) {
-			LuaNumber n1 = (LuaNumber)o1;
-			LuaNumber n2 = (LuaNumber)o2;
-			return n1.compareTo(n2) <= 0;
+		if( o1 instanceof Number && o2 instanceof Number ) {
+			Number n1 = (Number)o1;
+			Number n2 = (Number)o2;
+			return n1.doubleValue() <= n2.doubleValue();
 		}
 		if( o1 instanceof String && o2 instanceof String ) {
 			String s1 = (String)o1;
--- a/src/luan/interp/LenExpr.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/interp/LenExpr.java	Thu Dec 27 01:48:36 2012 +0000
@@ -1,7 +1,6 @@
 package luan.interp;
 
 import luan.Lua;
-import luan.LuaNumber;
 import luan.LuaTable;
 import luan.LuaFunction;
 import luan.LuaException;
@@ -18,7 +17,7 @@
 		Object o = op.eval(lua);
 		if( o instanceof String ) {
 			String s = (String)o;
-			return LuaNumber.of( s.length() );
+			return s.length();
 		}
 		LuaFunction fn = lua.getHandlerFunction(se,"__len",o);
 		if( fn != null )
--- a/src/luan/interp/LtExpr.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/interp/LtExpr.java	Thu Dec 27 01:48:36 2012 +0000
@@ -1,7 +1,6 @@
 package luan.interp;
 
 import luan.Lua;
-import luan.LuaNumber;
 import luan.LuaFunction;
 import luan.LuaException;
 import luan.LuaSource;
--- a/src/luan/interp/LuaParser.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/interp/LuaParser.java	Thu Dec 27 01:48:36 2012 +0000
@@ -17,7 +17,6 @@
 import org.parboiled.support.ValueStack;
 import org.parboiled.errors.ErrorUtils;
 import luan.Lua;
-import luan.LuaNumber;
 import luan.LuaState;
 import luan.LuaSource;
 
@@ -304,7 +303,7 @@
 		return Sequence(
 			start.set(currentIndex()),
 			Keyword("for"), Name(), '=', Spaces(), Expr(), Keyword("to"), Expr(),
-			push( new ConstExpr(LuaNumber.of(1)) ),  // default step
+			push( new ConstExpr(1) ),  // default step
 			Optional(
 				Keyword("step"),
 				drop(),
@@ -892,13 +891,6 @@
 	}
 
 	Rule NumberLiteral() {
-		return Sequence(
-			Number(),
-			push(LuaNumber.of((Double)pop()))
-		);
-	}
-
-	Rule Number() {
 		return FirstOf(
 			Sequence(
 				IgnoreCase("0x"),
@@ -906,7 +898,7 @@
 			),
 			Sequence(
 				DecNumber(),
-				push(Double.parseDouble(match()))
+				push(Double.valueOf(match()))
 			)
 		);
 	}
--- a/src/luan/interp/ModExpr.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/interp/ModExpr.java	Thu Dec 27 01:48:36 2012 +0000
@@ -1,7 +1,6 @@
 package luan.interp;
 
 import luan.Lua;
-import luan.LuaNumber;
 import luan.LuaException;
 import luan.LuaSource;
 
@@ -15,10 +14,10 @@
 	@Override public Object eval(LuaStateImpl lua) throws LuaException {
 		Object o1 = op1.eval(lua);
 		Object o2 = op2.eval(lua);
-		LuaNumber n1 = Lua.toNumber(o1);
-		LuaNumber n2 = Lua.toNumber(o2);
+		Number n1 = Lua.toNumber(o1);
+		Number n2 = Lua.toNumber(o2);
 		if( n1 != null && n2 != null )
-			return LuaNumber.of( n1.value() % n2.value() );
+			return n1.doubleValue() % n2.doubleValue();
 		return arithmetic(lua,"__mod",o1,o2);
 	}
 }
--- a/src/luan/interp/MulExpr.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/interp/MulExpr.java	Thu Dec 27 01:48:36 2012 +0000
@@ -1,7 +1,6 @@
 package luan.interp;
 
 import luan.Lua;
-import luan.LuaNumber;
 import luan.LuaException;
 import luan.LuaSource;
 
@@ -15,10 +14,10 @@
 	@Override public Object eval(LuaStateImpl lua) throws LuaException {
 		Object o1 = op1.eval(lua);
 		Object o2 = op2.eval(lua);
-		LuaNumber n1 = Lua.toNumber(o1);
-		LuaNumber n2 = Lua.toNumber(o2);
+		Number n1 = Lua.toNumber(o1);
+		Number n2 = Lua.toNumber(o2);
 		if( n1 != null && n2 != null )
-			return LuaNumber.of( n1.value() * n2.value() );
+			return n1.doubleValue() * n2.doubleValue();
 		return arithmetic(lua,"__mul",o1,o2);
 	}
 }
--- a/src/luan/interp/NumericForStmt.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/interp/NumericForStmt.java	Thu Dec 27 01:48:36 2012 +0000
@@ -1,7 +1,6 @@
 package luan.interp;
 
 import luan.Lua;
-import luan.LuaNumber;
 import luan.LuaException;
 import luan.LuaSource;
 
@@ -23,12 +22,12 @@
 	}
 
 	@Override public void eval(LuaStateImpl lua) throws LuaException {
-		double v = lua.checkNumber( se, fromExpr.eval(lua) ).value();
-		double limit = lua.checkNumber( se, toExpr.eval(lua) ).value();
-		double step = lua.checkNumber( se, stepExpr.eval(lua) ).value();
+		double v = lua.checkNumber( se, fromExpr.eval(lua) ).doubleValue();
+		double limit = lua.checkNumber( se, toExpr.eval(lua) ).doubleValue();
+		double step = lua.checkNumber( se, stepExpr.eval(lua) ).doubleValue();
 		try {
 			while( step > 0.0 && v <= limit || step < 0.0 && v >= limit ) {
-				lua.stackSet( iVar, LuaNumber.of(v) );
+				lua.stackSet( iVar, v );
 				block.eval(lua);
 				v += step;
 			}
--- a/src/luan/interp/PowExpr.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/interp/PowExpr.java	Thu Dec 27 01:48:36 2012 +0000
@@ -1,7 +1,6 @@
 package luan.interp;
 
 import luan.Lua;
-import luan.LuaNumber;
 import luan.LuaException;
 import luan.LuaSource;
 
@@ -15,10 +14,10 @@
 	@Override public Object eval(LuaStateImpl lua) throws LuaException {
 		Object o1 = op1.eval(lua);
 		Object o2 = op2.eval(lua);
-		LuaNumber n1 = Lua.toNumber(o1);
-		LuaNumber n2 = Lua.toNumber(o2);
+		Number n1 = Lua.toNumber(o1);
+		Number n2 = Lua.toNumber(o2);
 		if( n1 != null && n2 != null )
-			return LuaNumber.of( Math.pow( n1.value(), n2.value() ) );
+			return Math.pow( n1.doubleValue(), n2.doubleValue() );
 		return arithmetic(lua,"__pow",o1,o2);
 	}
 }
--- a/src/luan/interp/SubExpr.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/interp/SubExpr.java	Thu Dec 27 01:48:36 2012 +0000
@@ -1,7 +1,6 @@
 package luan.interp;
 
 import luan.Lua;
-import luan.LuaNumber;
 import luan.LuaException;
 import luan.LuaSource;
 
@@ -15,10 +14,10 @@
 	@Override public Object eval(LuaStateImpl lua) throws LuaException {
 		Object o1 = op1.eval(lua);
 		Object o2 = op2.eval(lua);
-		LuaNumber n1 = Lua.toNumber(o1);
-		LuaNumber n2 = Lua.toNumber(o2);
+		Number n1 = Lua.toNumber(o1);
+		Number n2 = Lua.toNumber(o2);
 		if( n1 != null && n2 != null )
-			return LuaNumber.of( n1.value() - n2.value() );
+			return n1.doubleValue() - n2.doubleValue();
 		return arithmetic(lua,"__sub",o1,o2);
 	}
 }
--- a/src/luan/interp/TableExpr.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/interp/TableExpr.java	Thu Dec 27 01:48:36 2012 +0000
@@ -2,7 +2,6 @@
 
 import luan.LuaException;
 import luan.LuaTable;
-import luan.LuaNumber;
 import luan.LuaSource;
 
 
@@ -34,7 +33,7 @@
 		}
 		Object[] a = expressions.eval(lua);
 		for( int i=0; i<a.length; i++ ) {
-			table.put( LuaNumber.of(i+1), a[i] );
+			table.put( i+1, a[i] );
 		}
 		return table;
 	}
--- a/src/luan/interp/UnmExpr.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/interp/UnmExpr.java	Thu Dec 27 01:48:36 2012 +0000
@@ -1,7 +1,6 @@
 package luan.interp;
 
 import luan.Lua;
-import luan.LuaNumber;
 import luan.LuaFunction;
 import luan.LuaException;
 import luan.LuaSource;
@@ -16,9 +15,9 @@
 
 	@Override public Object eval(LuaStateImpl lua) throws LuaException {
 		Object o = op.eval(lua);
-		LuaNumber n = Lua.toNumber(o);
+		Number n = Lua.toNumber(o);
 		if( n != null )
-			return LuaNumber.of( -n.value() );
+			return -n.doubleValue();
 		LuaFunction fn = lua.getHandlerFunction(se,"__unm",o);
 		if( fn != null ) {
 			return Lua.first(lua.call(fn,se,"__unm",o));
--- a/src/luan/lib/BasicLib.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/lib/BasicLib.java	Thu Dec 27 01:48:36 2012 +0000
@@ -11,7 +11,6 @@
 import luan.Lua;
 import luan.LuaState;
 import luan.LuaTable;
-import luan.LuaNumber;
 import luan.LuaFunction;
 import luan.LuaJavaFunction;
 import luan.LuaException;
@@ -174,7 +173,7 @@
 		throw new LuaException( lua, LuaElement.JAVA, "bad argument #1 to 'raw_len' (table or string expected)" );
 	}
 
-	public static LuaNumber to_number(Object e,Integer base) {
+	public static Number to_number(Object e,Integer base) {
 		return Lua.toNumber(e,base);
 	}
 
--- a/src/luan/lib/JavaLib.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/lib/JavaLib.java	Thu Dec 27 01:48:36 2012 +0000
@@ -11,7 +11,7 @@
 import java.util.List;
 import java.util.ArrayList;
 import java.util.Iterator;
-import luan.LuaNumber;
+import luan.Lua;
 import luan.LuaState;
 import luan.LuaTable;
 import luan.MetatableGetter;
@@ -92,13 +92,9 @@
 			if( "length".equals(key) ) {
 				return Array.getLength(obj);
 			}
-			if( key instanceof LuaNumber ) {
-				LuaNumber n = (LuaNumber)key;
-				double d = n.value();
-				int i = (int)d;
-				if( d==i ) {
-					return Array.get(obj,i);
-				}
+			Integer i = Lua.asInteger(key);
+			if( i != null ) {
+				return Array.get(obj,i);
 			}
 			throw new LuaException(lua,LuaElement.JAVA,"invalid index for java array: "+key);
 		}
@@ -122,12 +118,7 @@
 				Member member = members.get(0);
 				if( member instanceof Field ) {
 					Field field = (Field)member;
-					Object value = field.get(obj);
-					if( value instanceof Number ) {
-						Number n = (Number)value;
-						value = LuaNumber.of(n);
-					}
-					return value;
+					return field.get(obj);
 				} else {
 					Method method = (Method)member;
 					return new LuaJavaFunction(method,obj);
--- a/src/luan/lib/StringLib.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/lib/StringLib.java	Thu Dec 27 01:48:36 2012 +0000
@@ -7,7 +7,6 @@
 import luan.LuaTable;
 import luan.LuaFunction;
 import luan.LuaJavaFunction;
-import luan.LuaNumber;
 import luan.LuaElement;
 import luan.LuaException;
 
@@ -157,7 +156,7 @@
 				i++;
 			}
 			m.appendTail(sb);
-			return new Object[]{ sb.toString(), LuaNumber.of(i) };
+			return new Object[]{ sb.toString(), i };
 		}
 		if( repl instanceof LuaTable ) {
 			LuaTable t = (LuaTable)repl;
@@ -175,7 +174,7 @@
 				i++;
 			}
 			m.appendTail(sb);
-			return new Object[]{ sb.toString(), LuaNumber.of(i) };
+			return new Object[]{ sb.toString(), i };
 		}
 		if( repl instanceof LuaFunction ) {
 			LuaFunction fn = (LuaFunction)repl;
@@ -202,7 +201,7 @@
 				i++;
 			}
 			m.appendTail(sb);
-			return new Object[]{ sb.toString(), LuaNumber.of(i) };
+			return new Object[]{ sb.toString(), i };
 		}
 		throw new LuaException( lua, LuaElement.JAVA, "bad argument #3 to 'gsub' (string/function/table expected)" );
 	}
--- a/src/luan/lib/TableLib.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/lib/TableLib.java	Thu Dec 27 01:48:36 2012 +0000
@@ -6,7 +6,6 @@
 import luan.Lua;
 import luan.LuaState;
 import luan.LuaTable;
-import luan.LuaNumber;
 import luan.LuaFunction;
 import luan.LuaJavaFunction;
 import luan.LuaElement;
@@ -41,7 +40,7 @@
 		int last = j==null ? list.length() : j;
 		StringBuilder buf = new StringBuilder();
 		for( int k=first; k<=last; k++ ) {
-			Object val = list.get(LuaNumber.of(k));
+			Object val = list.get(k);
 			if( val==null )
 				break;
 			if( sep!=null && k > first )
--- a/src/luan/tools/CmdLine.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/tools/CmdLine.java	Thu Dec 27 01:48:36 2012 +0000
@@ -10,7 +10,6 @@
 import luan.LuaState;
 import luan.LuaFunction;
 import luan.LuaTable;
-import luan.LuaNumber;
 import luan.LuaException;
 import luan.interp.LuaCompiler;
 
@@ -72,7 +71,7 @@
 			System.arraycopy(args,1,varArgs,0,varArgs.length);
 			LuaTable argsTable = new LuaTable();
 			for( int j=0; j<args.length; j++ ) {
-				argsTable.put( LuaNumber.of(j), args[j] );
+				argsTable.put( j, args[j] );
 			}
 			lua.global().put("arg",argsTable);
 			try {