--- a/regexParser/subsetConstruction.cc	Fri Jan 15 15:57:22 2016 +0900
+++ b/regexParser/subsetConstruction.cc	Fri Jan 15 16:12:19 2016 +0900
@@ -322,16 +322,22 @@
     for (;state;state = state->next) {
         sprintf(s,"void state%lx() {\n",state->bitState.bitContainer);
         fputs(s,fp);
-        fputs("    unsigned char c = *buffptr++;\n",fp);
-        CharClassWalkerPtr ccw = createCharClassWalker(state->cc);
-        while (hasNext(ccw)) {
-            CharClassPtr cc = getNext(ccw);
-            unsigned long begin = cc->cond.range.begin;
-            unsigned long end = cc->cond.range.end;
-            BitVector bi = cc->nextState;
-            if (bi.bitContainer == 2) {
-                fputs("    // Accept\n",fp);
-            } else {
+        if (state->bitState.bitContainer == 2) { // Accept
+            fputs("    // Accept\n",fp);
+        } else {  // not Accept
+            fputs("    unsigned char c = *buffptr++;\n",fp);
+            CharClassWalkerPtr ccw = createCharClassWalker(state->cc);
+            bool flag = true;
+            while (hasNext(ccw)) {
+                CharClassPtr cc = getNext(ccw);
+                unsigned long begin = cc->cond.range.begin;
+                unsigned long end = cc->cond.range.end;
+                BitVector bi = cc->nextState;
+                if (flag) {
+                    flag = false;
+                } else {
+                    fputs("    else ",fp);
+                }
                 if (begin == end) {
                     sprintf(s,"    if (c=='%c') state%lu();\n",(unsigned char)begin, bi.bitContainer);
                     fputs(s,fp);
@@ -342,9 +348,9 @@
                     fputs(s,fp);
                 }
             }
+            sprintf(s,"    else state1();\n");
+            fputs(s,fp);
         }
-        sprintf(s,"    state1();\n");
-        fputs(s,fp);
         fputs("}\n\n",fp);
     }
     fclose(fp);