--- a/core/src/luan/impl/LuanStateImpl.java	Mon Apr 11 16:00:44 2016 -0600
+++ b/core/src/luan/impl/LuanStateImpl.java	Tue Apr 12 01:05:57 2016 -0600
@@ -13,46 +13,7 @@
 
 
 public final class LuanStateImpl extends LuanState {
-
-	private static class Frame {
-		final Frame previousFrame;
-		final Closure closure;
-		final Object[] stack;
-		final Object[] varArgs;
-		UpValue[] downValues = null;
-
-		Frame( Frame previousFrame, Closure closure, int stackSize, Object[] varArgs) {
-			this.previousFrame = previousFrame;
-			this.closure = closure;
-			this.stack = new Object[stackSize];
-			this.varArgs = varArgs;
-		}
-
-		void stackClear(int start,int end) {
-			if( downValues != null ) {
-				for( int i=start; i<end; i++ ) {
-					UpValue downValue = downValues[i];
-					if( downValue != null ) {
-						downValue.close();
-						downValues[i] = null;
-					}
-				}
-			}
-			for( int i=start; i<end; i++ ) {
-				stack[i] = null;
-			}
-		}
-
-		UpValue getUpValue(int index) {
-			if( downValues==null )
-				downValues = new UpValue[stack.length];
-			if( downValues[index] == null )
-				downValues[index] = new UpValue(stack,index);
-			return downValues[index];
-		}
-	}
-
-	private Frame frame = null;
+	Closure closure;
 
 	LuanStateImpl() {}
 
@@ -61,54 +22,17 @@
 	}
 
 	@Override public LuanState shallowClone() {
-//		if( frame != null )
-//			throw new IllegalStateException("frame isn't null");
 		return new LuanStateImpl(this);
 	}
 
-	// returns stack
-	Object[] newFrame(Closure closure, int stackSize, Object[] varArgs) {
-		frame = new Frame(frame,closure,stackSize,varArgs);
-		return frame.stack;
-	}
-
-	void popFrame() {
-		frame = frame.previousFrame;
-	}
-
-	Object stackGet(int index) {
-		return frame.stack[index];
-	}
-
-	public void stackSet(int index,Object value) {
-		frame.stack[index] = value;
-	}
-
-	public void stackClear(int start,int end) {
-		frame.stackClear(start,end);
-	}
-
-	Object[] varArgs() {
-		return frame.varArgs;
-	}
-
-	Closure closure() {
-		return frame.closure;
-	}
-
-	UpValue getUpValue(int index) {
-		return frame.getUpValue(index);
-	}
-
 	@Override public boolean hasJava() {
-		if( frame==null )
+		if( closure==null )
 			return false;
-		return ((LuanTable)frame.closure.upValues()[0].get()).hasJava;
+		return ((LuanTable)closure.upValues[0].o).hasJava;
 	}
 
 	@Override public void setJava() {
-		((LuanTable)frame.closure.upValues()[0].get()).hasJava = true;
+		((LuanTable)closure.upValues[0].o).hasJava = true;
 	}
 
-
 }