A bit more cythonisation in Machines.py and Transitions.py.

Cython/Plex/Machines.pxd

+cimport cython
+
+@cython.final
+cdef class Node:
+    cdef readonly object transitions  # TransitionMap
+    cdef readonly object action  # Action
+    cdef public object epsilon_closure  # dict
+    cdef readonly Py_ssize_t number
+    cdef readonly long action_priority
+
+
+@cython.final
 cdef class FastMachine:
     cdef readonly dict initial_states
     cdef readonly dict new_state_template

Cython/Plex/Machines.py

@@ -68,17 +68,15 @@ class Machine(object):
 
 class Node(object):
     """A state of an NFA or DFA."""
-    transitions = None      # TransitionMap
-    action = None           # Action
-    action_priority = None  # integer
-    number = 0              # for debug output
-    epsilon_closure = None  # used by nfa_to_dfa()
 
     def __init__(self):
         # Preinitialise the list of empty transitions, because
         # the nfa-to-dfa algorithm needs it
-        self.transitions = TransitionMap()
-        self.action_priority = LOWEST_PRIORITY
+        self.transitions = TransitionMap()      # TransitionMap
+        self.action_priority = LOWEST_PRIORITY  # integer
+        self.action = None  # Action
+        self.number = 0     # for debug output
+        self.epsilon_closure = None  # used by nfa_to_dfa()
 
     def destroy(self):
         self.transitions = None
@@ -127,6 +125,9 @@ class Node(object):
     def __lt__(self, other):
         return self.number < other.number
 
+    def __hash__(self):
+        return id(self)
+
 
 class FastMachine(object):
     """

Cython/Plex/Transitions.py

@@ -153,6 +153,7 @@ class TransitionMap(object):
             map[hi:hi] = [code, map[hi - 1].copy()]
             return hi
 
+    @cython.ccall
     def get_special(self, event):
         """
         Get state set for special event, adding a new entry if necessary.