--- a/regexParser/transition.cc	Mon Dec 21 17:37:41 2015 +0900
+++ b/regexParser/transition.cc	Tue Dec 22 15:56:33 2015 +0900
@@ -1,38 +1,10 @@
 #include <stdlib.h>
 #include "transition.h"
 
-StatePtr createState(BitVectorPtr bi, TransitionPtr ts, StatePtr next) {
-    StatePtr s = (StatePtr)malloc(sizeof(State));
-    s->bitState = bi;
-    s->transition = ts;
-    s->next = next;
-    return s;
-}
-
-StatePtr appendState(StatePtr x, StatePtr y) {
-    if (x == NULL) {
-        x = createState(y->bitState,y->transition,y->next);
-        return x;
-    }
-
-    StatePtr x0 = createState(x->bitState, x->transition, x->next);
-    StatePtr x1 = x0;
-    for(;;) {
-        if (x->next == NULL) {
-            x1->next = y;
-            return x0;
-        }
-        x = x->next;
-        x1->next = createState(x->bitState, x->transition, x->next);
-        x1 = x1->next;
-    }
-    return x0;
-}
-
 TransitionPtr createTransition(CharClassPtr cc, BitVectorPtr state) {
     TransitionPtr transition = (TransitionPtr)malloc(sizeof(Transition));
     transition->condition = cc;
-    transition->nextState = state;
+    transition->condition->nextState = *state;
     return transition;
 }
 
@@ -48,7 +20,7 @@
 }
 
 TransitionPtr appendTransition(TransitionPtr x, TransitionPtr y) {
-    TransitionPtr x0 = createTransition(x->condition, x->nextState);
+    TransitionPtr x0 = createTransition(x->condition, &x->condition->nextState);
     TransitionPtr x1 = x0;
     for(;;) {
         if (x->next == NULL) {
@@ -56,7 +28,7 @@
             return x0;
         }
         x = x->next;
-        x1->next = createTransition(x->condition, x->nextState);
+        x1->next = createTransition(x->condition, &x->condition->nextState);
         x1 = x1->next;
     }
     return x0;