Make soem methods final, let loadsting use "string" for chunk name

src/core/org/luaj/vm2/Buffer.java

@@ -26,7 +26,7 @@ package org.luaj.vm2;
  * String buffer for use in string library methods, optimized for production 
  * of StrValue instances. 
  */
-public class Buffer {
+public final class Buffer {
 	private static final int DEFAULT_CAPACITY = 64;
 
 	private byte[] bytes;
@@ -36,32 +36,32 @@ public class Buffer {
 		this(DEFAULT_CAPACITY);
 	}
 	
-	public String toString() {
-		return new LuaString(bytes, 0, length).toString();
-	}
-	
 	public Buffer( int initialCapacity ) {
 		bytes = new byte[ initialCapacity ];
 		length = 0;
 	}
 	
-	public void append( byte b ) {
+	public final String toString() {
+		return new LuaString(bytes, 0, length).toString();
+	}
+	
+	public final void append( byte b ) {
 		ensureCapacity( length + 1 );
 		bytes[ length++ ] = b;
 	}
 	
-	public void append( LuaValue val ) {
+	public final void append( LuaValue val ) {
 		append( val.strvalue() );
 	}
 	
-	public void append( LuaString str ) {
+	public final void append( LuaString str ) {
 		final int alen = str.length();
 		ensureCapacity( length + alen );
 		str.copyInto( 0, bytes, length, alen );
 		length += alen;
 	}
 	
-	public void append( String str ) {
+	public final void append( String str ) {
 		char[] chars = str.toCharArray();
 		final int alen = LuaString.lengthAsUtf8( chars );
 		ensureCapacity( length + alen );
@@ -69,25 +69,25 @@ public class Buffer {
 		length += alen;
 	}
 	
-	public void setLength( int length ) {
+	public final void setLength( int length ) {
 		ensureCapacity( length );
 		this.length = length;
 	}
 	
-	public LuaString tostrvalue() {
+	public final LuaString tostrvalue() {
 		return new LuaString( realloc( bytes, length ) );
 	}
 	
-	public void ensureCapacity( int minSize ) {
+	public final void ensureCapacity( int minSize ) {
 		if ( minSize > bytes.length )
 			realloc( minSize );
 	}
 	
-	private void realloc( int minSize ) {
+	private final void realloc( int minSize ) {
 		bytes = realloc( bytes, Math.max( bytes.length * 2, minSize ) ); 
 	}
 	
-	private static byte[] realloc( byte[] b, int newSize ) {
+	private final static byte[] realloc( byte[] b, int newSize ) {
 		byte[] newBytes = new byte[ newSize ];
 		System.arraycopy( b, 0, newBytes, 0, Math.min( b.length, newSize ) );
 		return newBytes;

src/core/org/luaj/vm2/LuaValue.java

@@ -177,6 +177,7 @@ public class LuaValue extends Varargs {
 	public void rawset( String key, double value ) { rawset(valueOf(key),valueOf(value)); }
 	public void rawset( String key, int value ) { rawset(valueOf(key),valueOf(value)); }
 	public void rawset( String key, String value ) { rawset(valueOf(key),valueOf(value)); }
+	public void rawsetlist( int key0, Varargs values ) { for ( int i=0, n=values.narg(); i<n; i++ ) rawset(key0+i,values.arg(i+1)); }
 	public void presize( int i) { unimplemented("presize"); }
 	public Varargs next(LuaValue index) { unimplemented("next"); return null; }
 	public Varargs inext(LuaValue index) { unimplemented("inext"); return null; }
@@ -286,10 +287,10 @@ public class LuaValue extends Varargs {
 	// for loop helpers
 	/** test numeric for loop */
 	public boolean testfor_b(LuaValue limit, boolean stepgtzero) { return stepgtzero? lteq_b(limit): gteq_b(limit); }
+	/** used in for loop only */
+	public boolean testfor_b(LuaValue limit, LuaValue step) { return step.gt_b(0)? lteq_b(limit): gteq_b(limit); }
 	/** @deprecated - used in samples only */
 	public boolean testfor_b(LuaValue limit) { return lteq(limit).toboolean(); }
-	/** @deprecated - used in samples only */
-	public boolean testfor_b(LuaValue limit, LuaValue step) { return step.gt_b(0)? lteq_b(limit): gteq_b(limit); }
 	/** @deprecated - used in samples only, use add(1) instead */
 	public LuaValue incr() { return add(ONE); }
 	

src/core/org/luaj/vm2/UpValue.java

@@ -23,7 +23,7 @@ package org.luaj.vm2;
 
 
 /** Upvalue used with Closure formulation */
-public class UpValue {
+public final class UpValue {
 
 	LuaValue[] array; // initially the stack, becomes a holder 
 	int index;
@@ -40,15 +40,15 @@ public class UpValue {
 		return (closed? "-": "+") + array[index];
 	}
 	
-	public LuaValue getValue() {
+	public final LuaValue getValue() {
 		return array[index];
 	}
 	
-	public void setValue( LuaValue value ) {
+	public final void setValue( LuaValue value ) {
 		array[index] = value;
 	}
 	
-	public boolean close( int limit ) {
+	public final boolean close( int limit ) {
 		if ( (!closed) && (index>=limit) ) {
 			array = new LuaValue[] { array[index] };
 			index = 0;
@@ -58,7 +58,7 @@ public class UpValue {
 		}
 	}
 	
-	public boolean isClosed() {
+	public final boolean isClosed() {
 		return closed;
 	}
 }

src/core/org/luaj/vm2/lib/BaseLib.java

@@ -238,8 +238,8 @@ public class BaseLib extends LuaTable implements ResourceFinder {
 			case 4: // "loadstring", // ( string [,chunkname] ) -> chunk | nil, msg
 				try {
 					LuaString script = args.checkstring(1);
-					LuaString chunkname = args.optstring(2, script);
+					String chunkname = args.optString(2, "string");
-					return LoadState.load(script.toInputStream(), chunkname.toString(),LuaThread.getRunningEnv(env));
+					return LoadState.load(script.toInputStream(),chunkname,LuaThread.getRunningEnv(env));
 				} catch ( Exception e ) {
 					return varargsOf(NIL, valueOf(e.getMessage()));
 				}