--- a/src/luan/LuaState.java	Thu Nov 29 10:36:38 2012 +0000
+++ b/src/luan/LuaState.java	Fri Nov 30 11:46:34 2012 +0000
@@ -8,4 +8,29 @@
 		return env;
 	}
 
+
+	private static class LuaStack {
+		final LuaStack previousStack;
+		final Object[] a;
+
+		LuaStack( LuaStack previousStack, int stackSize) {
+			this.previousStack = previousStack;
+			this.a = new Object[stackSize];
+		}
+	}
+
+	private LuaStack stack = null;
+
+	public void newStack(int stackSize) {
+		stack = new LuaStack(stack,stackSize);
+	}
+
+	public void popStack() {
+		stack = stack.previousStack;
+	}
+
+	public Object[] stack() {
+		return stack.a;
+	}
+
 }