--- parser3/src/include/pa_stack.h	2001/03/07 13:54:46	1.3
+++ parser3/src/include/pa_stack.h	2002/03/18 15:29:46	1.14
@@ -1,12 +1,19 @@
-/*
-  $Id: pa_stack.h,v 1.3 2001/03/07 13:54:46 paf Exp $
+/** @file
+	Parser: stack class decl.
+
+	Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com)
+	Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
+
+	$Id: pa_stack.h,v 1.14 2002/03/18 15:29:46 paf Exp $
 */
 
 #ifndef PA_STACK_H
 #define PA_STACK_H
 
+#include "pa_config_includes.h"
 #include "pa_array.h"
 
+/// simple stack based on Array
 class Stack : public Array {
 public:
 
@@ -24,11 +31,9 @@ public:
 		return get(--ftop);
 	}
 
-	Item *operator [] (int top_offset) {
-		return get(ftop-top_offset-1);
-	}
-
-	int top() { return ftop-1; }
+	int top_index() { return ftop-1; }
+	void top_index(int top_index) { ftop=top_index+1; }
+	Item *top_value() { return get(top_index()); }
 
 private: