--- a/regexParser/CharClass.h	Mon May 16 17:03:17 2016 +0900
+++ b/regexParser/CharClass.h	Thu May 26 19:57:44 2016 +0900
@@ -1,4 +1,5 @@
 #include "regexParser.h"
+#define MAXCHAR (256)
 
 extern CharClassPtr createCharClassWord(RegexInfoPtr ri) ;
 extern CharClassPtr insertCharClass(CharClassPtr cc, unsigned long begin, unsigned long end) ;

--- a/regexParser/threadedSearch.cc	Mon May 16 17:03:17 2016 +0900
+++ b/regexParser/threadedSearch.cc	Thu May 26 19:57:44 2016 +0900
@@ -84,7 +84,7 @@
         tState->ccv = NULL;
         state->tState = tState;
         return tState;
-    } else tState->ccv = (ccv*)malloc(sizeof(ccv)*ccvSize);
+    } else tState->ccv = (ccv*)malloc(sizeof(ccv)*(ccvSize+1));
     ccw = createCharClassWalker(state->cc);
     int i = 0;
     while (hasNext(ccw)) {
@@ -98,6 +98,10 @@
         ccv->state = cc->nextState;
         ccv->w = cc->cond.w;
     }
+    struct ccv *ccv = &tState->ccv[i];
+    ccv->begin = MAXCHAR+1;
+    ccv->end = ccv->begin;
+    ccv->tState = NULL;
     free(ccw);
     state->tState = tState;
     return tState;
@@ -121,9 +125,6 @@
 #define DEBUG 0
 
 TSValue tSearch(TSValue tsv) {
-#if DEBUG
-    TSValuePtr tsvp = &tsv;   // make tsv visible in lldb
-#endif
     next: while (tsv.buff.buffptr < tsv.buff.buffend) {
         tsv = tsv.current->stateMatch(tsv);
         if (tsv.current->ccvSize==0) {
@@ -132,41 +133,43 @@
         }
         unsigned char c = *tsv.buff.buffptr++;
 //        printState(tsv.current->state);
-        for (int i = 0; i < tsv.current->ccvSize; i++) {
-            CCVPtr ccv = &tsv.current->ccv[i];
-            if (c<ccv->begin) {
-                tsv.current = tsv.tg->stateStart->tState;
-                tsv = tsv.current->stateSkip(tsv);
-                goto next;
-            } else if (c<=ccv->end) {
-                // range matched.
-                if (ccv->w.word) {
-                    WordPtr w;
-                    for (w = &ccv->w;w;w = w->next) {
-                        // match the word.
-                        if (strncmp((const char *)w->word,(const char *)tsv.buff.buffptr-1,w->length)==0) break;
-                    }
-                    if (!w) continue; // if (not match) continue;
-                    tsv.buff.buffptr += w->length - 1;
+        CCVPtr ccv = &tsv.current->ccv[0];
+        for (;;) {
+            if (c<ccv[0].begin) goto noMatch;
+            else if (c<=ccv[0].end) goto match;
+            if (c<ccv[1].begin) goto noMatch;
+            else if (c<=ccv[1].end) goto match;
+            if (c<ccv[2].begin) goto noMatch;
+            else if (c<=ccv[2].end) goto match;
+            if (c<ccv[3].begin) goto noMatch;
+            else if (c<=ccv[3].end) goto match;
+            if (c<ccv[4].begin) goto noMatch;
+            else if (c<=ccv[4].end) goto match;
+            ccv += 5;
+        }
+        match:
+        // range matched.
+            if (ccv->w.word) {
+                WordPtr w;
+                for (w = &ccv->w;w;w = w->next) {
+                    // match the word.
+                    if (strncmp((const char *)w->word,(const char *)tsv.buff.buffptr-1,w->length)==0) break;
                 }
-                if (ccv->tState) {
-                    tsv.current = ccv->tState;
-                } else {
-                    tsv.current = nextTState(ccv->state,tsv.tg);
-                    ccv->tState = tsv.current;
-                }
-                goto next;
+                if (!w) continue; // if (not match) continue;
+                tsv.buff.buffptr += w->length - 1;
             }
-        }
-        tsv.current = tsv.tg->stateStart->tState;
-        tsv = tsv.current->stateSkip(tsv);
+            if (ccv->tState) {
+                tsv.current = ccv->tState;
+            } else {
+                tsv.current = nextTState(ccv->state,tsv.tg);
+                ccv->tState = tsv.current;
+            }
+            goto next;
+        noMatch:
+            tsv.current = tsv.tg->stateStart->tState;
+            tsv = tsv.current->stateSkip(tsv);
     }
-#if DEBUG
-    *tsvp = tsv;
-    return *tsvp;
-#else
     return tsv;
-#endif
 }
 
 TSValue