--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/regexParser/fileread.cc	Tue Jan 19 13:16:35 2016 +0900
@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+
+#include "sequentialSearch.h"
+#include "fileread.h"
+
+st_mmap_t createSt_mmap(char* filename,int fd) {
+    st_mmap_t st_mmap;
+    int map = MAP_PRIVATE;
+    struct stat sb;
+    if ((fd=open(filename,O_RDONLY,0666))==0) {
+        perror("");
+        fprintf(stderr,"can't open %s\n",filename);
+    }
+
+    if (fstat(fd,&sb)) {
+        perror("");
+        fprintf(stderr,"can't fstat %s\n",filename);
+    }
+    st_mmap.size = sb.st_size;
+    unsigned char *file_mmap = (unsigned char*)mmap(NULL,st_mmap.size,PROT_WRITE|PROT_READ,map,fd,(off_t)0);
+    if (file_mmap == NULL) {
+        perror("");
+        fprintf(stderr,"cannot mmap %s\n",filename);
+    }
+    st_mmap.file_mmap = file_mmap;
+    return st_mmap;
+}
+
+Buffer createBuffer(st_mmap_t st_mmap) {
+    Buffer buff;
+    buff.buff = buff.buffptr = buff.matchBegin = st_mmap.file_mmap;
+    buff.buffend = buff.buff + st_mmap.size;
+    return buff;
+}
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/regexParser/fileread.h	Tue Jan 19 13:16:35 2016 +0900
@@ -0,0 +1,4 @@
+#include "regexParser.h"
+
+extern st_mmap_t createSt_mmap(char* filename, int fd);
+extern Buffer createBuffer(st_mmap_t st_mmap);

--- a/regexParser/grepWalk.cc	Tue Jan 19 12:54:11 2016 +0900
+++ b/regexParser/grepWalk.cc	Tue Jan 19 13:16:35 2016 +0900
@@ -1,9 +1,7 @@
 #include <stdio.h>
 
-#include "regexParser.h"
-#include "sequentialSearch.h"
 #include "grepWalk.h"
 
-void grepWalk(TransitionGeneratorPtr tg) {
+void grepWalk(TransitionGeneratorPtr tg, Buffer buff) {
 
 }

--- a/regexParser/grepWalk.h	Tue Jan 19 12:54:11 2016 +0900
+++ b/regexParser/grepWalk.h	Tue Jan 19 13:16:35 2016 +0900
@@ -1,1 +1,4 @@
-extern void grepWalk(TransitionGeneratorPtr tg);
+#include "regexParser.h"
+#include "sequentialSearch.h"
+
+extern void grepWalk(TransitionGeneratorPtr tg, Buffer buff);

--- a/regexParser/main.cc	Tue Jan 19 12:54:11 2016 +0900
+++ b/regexParser/main.cc	Tue Jan 19 13:16:35 2016 +0900
@@ -5,12 +5,14 @@
 #include "subsetConstruction.h"
 #include "node.h"
 #include "grepWalk.h"
+#include "fileread.h"
 
 int main(int argc, char **argv)
 {
     bool generate = true;
     bool subset = false;
     bool generateSequentialSearch = false;
+    char *filename;
 
     RegexInfo ri;
     ri.stateNumber = 1;
@@ -23,6 +25,8 @@
             subset = true;
         } else if (strcmp(argv[i],"-seq") == 0) {
             generateSequentialSearch = true;
+        } else if (strcmp(argv[i],"-file") == 0) {
+            filename = argv[i+1]; i++;
         }
     }
     if (!ri.ptr) return 0;
@@ -49,6 +53,11 @@
         }
     }
 
-    grepWalk(tgv.tg);
+    if (filename != NULL) {
+        int fd = 0;
+        st_mmap_t st_mmap = createSt_mmap(filename,fd);
+        Buffer buff = createBuffer(st_mmap);
+        grepWalk(tgv.tg,buff);
+    }
     return 0;
 }

--- a/regexParser/regexParser.h	Tue Jan 19 12:54:11 2016 +0900
+++ b/regexParser/regexParser.h	Tue Jan 19 13:16:35 2016 +0900
@@ -106,6 +106,18 @@
     unsigned char *tokenValue;
     int stateNumber;
 } RegexInfo, *RegexInfoPtr;
+
+typedef struct buffer {
+    unsigned char *buff;
+    unsigned char *buffptr;
+    unsigned char *buffend;
+    unsigned char *matchBegin;
+} Buffer, *BufferPtr;
+
+typedef struct {
+    unsigned char* file_mmap;
+    off_t size;
+} st_mmap_t;
 #endif
 
 extern NodePtr createNode(RegexInfoPtr ri,unsigned char type,CharClassPtr cc, NodePtr left, NodePtr right);

--- a/regexParser/sequentialSearch.cc	Tue Jan 19 12:54:11 2016 +0900
+++ b/regexParser/sequentialSearch.cc	Tue Jan 19 13:16:35 2016 +0900
@@ -5,7 +5,7 @@
 #include <sys/stat.h>
 #include <sys/mman.h>
 
-#include "sequentialSearch.h"
+#include "fileread.h"
 
 void state1(Buffer buff);
 
@@ -20,36 +20,6 @@
     stateSkip(buff);
 }
 
-st_mmap_t createSt_mmap(char* filename,int fd) {
-    st_mmap_t st_mmap;
-    int map = MAP_PRIVATE;
-    struct stat sb;
-    if ((fd=open(filename,O_RDONLY,0666))==0) {
-        perror("");
-        fprintf(stderr,"can't open %s\n",filename);
-    }
-
-    if (fstat(fd,&sb)) {
-        perror("");
-        fprintf(stderr,"can't fstat %s\n",filename);
-    }
-    st_mmap.size = sb.st_size;
-    unsigned char *file_mmap = (unsigned char*)mmap(NULL,st_mmap.size,PROT_WRITE|PROT_READ,map,fd,(off_t)0);
-    if (file_mmap == NULL) {
-        perror("");
-        fprintf(stderr,"cannot mmap %s\n",filename);
-    }
-    st_mmap.file_mmap = file_mmap;
-    return st_mmap;
-}
-
-Buffer createBuffer(st_mmap_t st_mmap) {
-    Buffer buff;
-    buff.buff = buff.buffptr = buff.matchBegin = st_mmap.file_mmap;
-    buff.buffend = buff.buff + st_mmap.size;
-    return buff;
-}
-
 #include "state.cc"
 int main(int argc, char **argv) {
     char *filename;

--- a/regexParser/sequentialSearch.h	Tue Jan 19 12:54:11 2016 +0900
+++ b/regexParser/sequentialSearch.h	Tue Jan 19 13:16:35 2016 +0900
@@ -1,16 +0,0 @@
-#include <sys/types.h>
-
-typedef struct buffer {
-    unsigned char *buff;
-    unsigned char *buffptr;
-    unsigned char *buffend;
-    unsigned char *matchBegin;
-} Buffer, *BufferPtr;
-
-typedef struct {
-    unsigned char* file_mmap;
-    off_t size;
-} st_mmap_t;
-
-extern st_mmap_t createSt_mmap(char* filename, int fd);
-extern Buffer createBuffer(st_mmap_t st_mmap);