--- a/src/luan/LuaState.java	Fri Dec 07 20:22:19 2012 +0000
+++ b/src/luan/LuaState.java	Thu Dec 13 02:50:04 2012 +0000
@@ -1,46 +1,6 @@
 package luan;
 
 
-public class LuaState {
-	private final LuaTable env = new LuaTable();
-
-	public LuaTable env() {
-		return env;
-	}
-
-
-	private static class LuaStack {
-		final LuaStack previousStack;
-		final Object[] a;
-		final Object[] varArgs;
-
-		LuaStack( LuaStack previousStack, int stackSize, Object[] varArgs) {
-			this.previousStack = previousStack;
-			this.a = new Object[stackSize];
-			this.varArgs = varArgs;
-		}
-	}
-
-	private LuaStack stack = null;
-	public Object[] returnValues;
-	public LuaClosure tailFn;
-
-	Object[] newStack(int stackSize, Object[] varArgs) {
-		stack = new LuaStack(stack,stackSize,varArgs);
-		return stack.a;
-	}
-
-	void popStack() {
-		returnValues = LuaFunction.EMPTY_RTN;
-		tailFn = null;
-		stack = stack.previousStack;
-	}
-
-	public Object[] stack() {
-		return stack.a;
-	}
-
-	public Object[] varArgs() {
-		return stack.varArgs;
-	}
+public interface LuaState {
+	public LuaTable env();
 }