--- a/regexParser/main.cc	Tue Dec 29 19:01:23 2015 +0900
+++ b/regexParser/main.cc	Wed Dec 30 15:05:06 2015 +0900
@@ -2,23 +2,40 @@
 #include <stdlib.h>
 #include <string.h>
 #include "regexParser.h"
-#include "subsetConstraction.h"
+#include "subsetConstruction.h"
 #include "node.h"
 
 int main(int argc, char **argv)
 {
+    bool generate = true;
+    bool subset = false;
+
     RegexInfo ri;
     ri.stateNumber = 1;
     for (int i = 1; i < argc; i++) {
         if (strcmp(argv[i],"-regex") == 0) {
             ri.ptr = (unsigned char*)argv[i+1]; i++;
+        } else if (strcmp(argv[i],"-noGeneration") == 0) {
+            generate = false;
+        } else if (strcmp(argv[i],"-subset") == 0) {
+            subset = true;
         }
     }
+    if (!ri.ptr) return 0;
+
     printf("regex : %s\n",ri.ptr);
-    NodePtr n = regex(&ri);
+    NodePtr n = regex(&ri);   // parse only
     printTree(n);
-    TransitionGeneratorPtr tg = generateTransitionList(n);
-    printTree(n);
-    printState(tg);
+
+    if (generate)  {  // NFA generation
+        TGValue tgv = generateTransitionList(n);
+        printState(tgv.tg);
+    } else if (subset)  {
+        TGValue tgv = generateTransitionList(n);
+        SCValue scv = createSCValue(tgv);
+        subsetConstruction(scv);   // Determinization
+        printState(tgv.tg);
+    }
+
     return 0;
 }