--- a/python/pyyacc.py	Thu May 22 08:14:12 2014 +0200
+++ b/python/pyyacc.py	Fri May 23 14:28:03 2014 +0200
@@ -302,37 +302,28 @@
         assert self.dotpos <= len(self.production.symbols)
         self.look_ahead = look_ahead
         self._is_shift = self.dotpos < len(self.production.symbols)
-
-    def getdata(self):
-        """ Gets the members as a tuple """
-        return (self.production, self.dotpos, self.look_ahead)
+        self.IsShift = self._is_shift
+        if self.IsShift:
+            self.Next = self.production.symbols[self.dotpos]
+        self._data = (self.production, self.dotpos, self.look_ahead)
+        self._hash = self._data.__hash__()
 
     def __eq__(self, other):
         if type(other) is type(self):
-            return self.getdata() == other.getdata()
+            return self._data == other._data
         return False
 
     def __hash__(self):
-        return self.getdata().__hash__()
+        return self._hash
 
     @property
     def IsReduce(self):
         """ Check if this item has the dot at the end """
         return not self._is_shift
 
-    @property
-    def IsShift(self):
-        """ Check if this item is a shift item, i.e. the dot can proceed """
-        return self._is_shift
-
-    @property
-    def Next(self):
-        """ Returns the symbol after the dot """
-        return self.production.symbols[self.dotpos]
-
     def can_shift_over(self, symbol):
         """ Determines if this item can shift over the given symbol """
-        return self.IsShift and self.Next == symbol
+        return self._is_shift and self.Next == symbol
 
     def shifted(self):
         """ Creates a new item that is shifted one position """
@@ -356,7 +347,9 @@
 
 
 class LRParser:
-    """ LR parser automata """
+    """ LR parser automata. This class takes goto and action table
+        and can then process a sequence of tokens.
+    """
     def __init__(self, action_table, goto_table, start_symbol):
         self.action_table = action_table
         self.goto_table = goto_table