--- a/c/regexParser/node.cc	Tue Dec 15 16:20:35 2015 +0900
+++ b/c/regexParser/node.cc	Tue Dec 15 17:14:35 2015 +0900
@@ -3,6 +3,9 @@
 
 static void printCharacterClass(CharClassPtr cc, long nodeNumber,int d) {
     if (cc->type == 'r') {
+        if (cc->left) {
+            printCharacterClass(cc->left,nodeNumber,d+1);
+        }
         printf("%*c",d*4, ' ');
         for (RangeList range = cc->cond.range; range.begin != 0;) {
            printf("[%c-%c] ",(unsigned char)range.begin,(unsigned char)range.end);
@@ -13,14 +16,15 @@
            }
         }
         printf("(%lu)\n",nodeNumber);
+        if (cc->right) {
+            printCharacterClass(cc->right,nodeNumber,d+1);
+        }
     }
 }
 
 static void descendTree(NodePtr n, int d) {
     if (n->left != NULL) {
-        d++;
-        descendTree(n->left, d);
-        d--;
+        descendTree(n->left, d+1);
     }
     if (n->tokenType == 'a') {
         printf("%*c",d*4, ' ');
@@ -35,9 +39,7 @@
     }
 
     if (n->right != NULL) {
-        d++;
-        descendTree(n->right, d);
-        d--;
+        descendTree(n->right, d+1);
     }
 }